CN103828199B - Motor drive and vehicle - Google Patents

Abstract

This motor drive (10) is provided with including the motor (3) of high-speed driving winding (3a) and driven at low speed winding (3b)；The winding switching part (4) of the connection status between described high-speed driving winding and the described driven at low speed winding of switching motor；It is connected to the power conversion unit (1) of described motor；And at least accommodate multiple housing section (11,12,13,14) of described motor, described winding switching part and described power conversion unit.The plurality of housing section is coupled together.

Description

Motor drive and vehicle

Technical field

The present invention relates to a kind of motor drive and vehicle, it is more particularly related to all include following motor Motor drive and vehicle, described motor includes high-speed driving winding and driven at low speed winding.

Background technology

It is known that, conventionally, include the motor drive of motor, wherein this motor includes high-speed driving winding and driven at low speed Winding.Such as, Japanese Patent Laid-Open 2010-17055 publication discloses this motor drive.

In above-mentioned Japanese Patent Laid-Open 2010-17055 publication, disclose a kind of motor drive, this motor Driving means includes: motor, and this motor includes high-speed driving winding and driven at low speed winding；Winding switching part, should be around The connection status of two windings of group switching part switching motor；With the inverter (power conversion unit) being connected to motor.

Motor, winding switching part and electric power is included disclosed in above-mentioned Japanese Patent Laid-Open 2010-17055 publication In the conventional motor driven device of converter section, motor, winding switching part and power conversion unit are usually contained in separate In housing section and place dividually.

Prior art

Patent documentation

Patent documentation 1: Japanese Patent Laid-Open 2010-17055 publication.

Summary of the invention

The problem to be solved in the present invention

But, in above-mentioned traditional motor drive, motor, winding switching part and power conversion unit are accommodated in In separate housing section and place dividually, therefore accommodating motor, winding switching part and the housing section of power conversion unit Between there may be dead space.In this case, exist and be difficult to save space-efficient problem.

Propose the present invention in order to solve the problems referred to above, and it is an object of the invention to provide and all can save space-efficient Motor drive and vehicle.

The means of solution problem and invention effect

To achieve these goals, motor drive according to the first aspect of the invention includes: include high-speed driving Winding and the motor of driven at low speed winding；Switch the described high-speed driving winding of described motor and described driven at low speed winding The winding switching part of connection status；It is connected to the power conversion unit of described motor；And at least accommodate described motor, Described winding switching part and multiple housing section of described power conversion unit, and the plurality of housing section is coupled to each other.

As it has been described above, motor drive according to the first aspect of the invention is provided with at least accommodates described motor, institute State multiple housing section of winding switching part and described power conversion unit, and the plurality of housing section is coupled to each other.Thus, The multiple housing section at least accommodating described motor, described winding switching part and described power conversion unit can be coupled to each other and It is integral, therefore, it is possible to suppression is at least to accommodate described motor, described winding switching part and described power conversion unit many Dead space is formed between individual housing section.As a result, it is possible to saving space.

Vehicle according to the second aspect of the invention includes that automobile body part and the motor being arranged in described automobile body part drive Portion, and described motor driving part includes: include high-speed driving winding and the motor of driven at low speed winding；Switch described horse The described high-speed driving winding reached and the winding switching part of the connection status of described driven at low speed winding；It is connected to described horse The power conversion unit reached；And at least accommodate the multiple of described motor, described winding switching part and described power conversion unit Housing section, and the plurality of housing section is coupled to each other.

As it has been described above, vehicle according to the second aspect of the invention is provided with at least accommodates the described of described motor driving part Motor, described winding switching part and multiple housing section of described power conversion unit, and the plurality of housing section interconnects mutually Connect.Thus, at least accommodate the described motor of described motor driving part, described winding switching part and described power conversion unit Multiple housing section can be coupled to each other and integral, therefore, it is possible to suppression is at least accommodating the institute of described motor driving part State motor, between described winding switching part and multiple housing section of described power conversion unit, form dead space.As a result, energy Enough offers can save the vehicle in the space for motor driving part.A large amount of components must be arranged in limited layout wherein In vehicle in space, this advantageous effects will be particularly effective.

Accompanying drawing explanation

Fig. 1 shows the block diagram of the population structure of the vehicle according to an embodiment of the invention.

Fig. 2 shows the axonometric chart of the population structure of the motor driving part of this embodiment according to the present invention.

Fig. 3 is the exploded perspective view of the motor driving part shown in Fig. 2.

Fig. 4 is the decomposition of the motor driving part shown in Fig. 3 when the side viewing contrary with the side shown in Fig. 3 Axonometric chart.

Fig. 5 shows the axonometric chart of the first housing section of the motor driving part shown in Fig. 3.

Fig. 6 is the solid from the first housing section shown in Fig. 5 of the side viewing contrary with the side shown in Fig. 5 Figure.

Fig. 7 is the plane graph of the first housing section shown in Fig. 5 and Fig. 6 from the viewing of side, arrow A1 direction.

Fig. 8 is the axonometric chart of the first cooling tube in illustrating the first housing section being arranged on shown in Fig. 5.

Fig. 9 shows the axonometric chart of the second housing section of the motor driving part shown in Fig. 3.

Figure 10 is standing from the second housing section shown in Fig. 9 of the side viewing contrary with the side shown in Fig. 9 Body figure.

Figure 11 is the plane from the second housing section shown in Fig. 9 and Figure 10 of the side viewing of side, arrow A1 direction Figure.

Figure 12 is the plane graph of the second housing section shown in Fig. 9 and Figure 10 from the viewing of side, arrow A2 direction.

Figure 13 shows the axonometric chart of the state of the second housing section shown in Fig. 9, wherein inverter module by from This second housing section removes.

Figure 14 shows the axonometric chart of the state of the second housing section shown in Figure 10, wherein winding handover module and Capacitor module is removed.

Figure 15 shows the axonometric chart of the 3rd housing section of the motor driving part shown in Fig. 3.

Figure 16 is from the 3rd housing section shown in Figure 15 of the side viewing contrary with the side shown in Figure 15 Axonometric chart.

Figure 17 is the plane graph from the 3rd housing section shown in Figure 15 and Figure 16 of side, arrow A1 direction viewing.

Figure 18 is the plane graph of the 3rd housing section shown in Figure 15 and Figure 16 from the viewing of side, arrow A2 direction.

Figure 19 shows the axonometric chart of the state of the 3rd housing section shown in Figure 15, wherein panel and smooth electricity Container is removed from the 3rd housing section.

Figure 20 shows the axonometric chart of the state of the 3rd housing section shown in Figure 16, wherein power panel by from this Three housing section remove.

Figure 21 shows the axonometric chart of the 4th housing section of the motor driving part shown in Fig. 3.

Figure 22 is from the 4th housing section shown in Figure 21 of the side viewing contrary with the side shown in Figure 21 Axonometric chart.

Figure 23 is the plane graph of the 4th housing section shown in Figure 21 and Figure 22 from the viewing of side, arrow A1 direction.

Figure 24 is the axonometric chart for illustrating the annexation between the inside of the motor driving part shown in Fig. 2.

Detailed description of the invention

Based on accompanying drawing, an embodiment of the invention will be described below.

The structure of the vehicle 100 of this embodiment according to the present invention is described referring now to Fig. 1.Knot shown in Fig. 1 Structure shows the representative illustration of the structure of the vehicle including winding switch type motor driving part, but the invention is not restricted to This.

As it is shown in figure 1, the motor driving part 10 that vehicle 100 includes automobile body part 101, is arranged in automobile body part 101 With the battery unit 20 being connected to motor driving part 10.Motor driving part 10 is " motor drive " in the present invention Example.

Motor driving part 10 be configurable to include inverter 1, smoothing capacity device 2, motor 3, winding switching part 4, Control portion 5 and power supply unit 6.Inverter 1 is the example of the present invention " power conversion unit ".

Inverter 1 is configured to the unidirectional current inputted from battery unit 20 is converted into three-phase (U phase, V phase and W Phase) alternating current this three-phase alternating current is exported motor 3.Inverter 1 has and is connected to the straight of battery unit 20 Flow input terminal TP1 and TN1 and be connected to AC output terminal TU1, TV1 and TW1 of motor 3.Inversion DC input terminal TP1 and TN1 in device portion 1 is connected with terminal TP2 and TN2 of smoothing capacity device 2 respectively.If Putting this smoothing capacity device 2 is to make the unidirectional current from battery unit 20 input smooth.

Inverter 1 is configurable to include six switch elements Q1, Q2, Q3, Q4, Q5 for electric power conversion And Q6.Switch element Q1 and Q2 is configured to carry out the conversion of U phase electric power.Switch element Q3 and Q4 is constructed Become to carry out the conversion of V phase electric power.Switch element Q5 and Q6 is configured to carry out the conversion of W phase electric power.Switch element Q1 to Q6 is made by SiC semiconductor.

Motor 3 is configured to drive according to the three-phase alternating current from inverter 1 supply.Motor 3 is configured to bag Include the three-phase windings 3a for high-speed driving and the three-phase windings 3b for driven at low speed.Winding 3a and winding 3b divides It is not " high-speed driving winding " and the example of " driven at low speed winding ".

Winding 3a and 3b is electrically connected in series.Three-phase (U phase, V phase and W phase) on first side of winding 3a Terminal TU2, TV2 and TW2 are connected to inverter 1.Second side of winding 3a and first side of winding 3b On three-phase terminal TU3, TV3 and TW3 be connected to the diode bridge DB1 of the winding switching part 4 being described later on. The winding switching part 4 that terminal TU4, TV4 and TW4 on second side of winding 3b is connected to be described later on Diode bridge DB2.

Winding switching part 4 has the function of the connection status of switching winding 3a and 3b.Specifically, winding switching part The 4 high speed winding switch SW1 being configurable to include terminal TU3, TV3 and TW3 for short circuit motor 3 and use Low speed winding switch SW2 in terminal TU4, TV4 and TW4 of short circuit motor 3.High speed winding switch SW1 It is the example of " switch element " in the present invention with low speed winding switch SW2.High speed winding switch SW1 and low speed around Group switch SW2 is made by SiC semiconductor.

Winding switching part 4 is configurable to include: diode bridge DB1, and this diode bridge DB1 has and is connected to motor Terminal TU5, TV5 and TW5 of terminal TU3, TV3 and TW3 of 3；With capacitor C1, this capacitor C1 It is configured to the winding 3a for protecting motor 3.High speed winding switch SW1, diode bridge DB1, capacitor C1 It is electrically connected to each other in parallel with smooth capacitor 2.

Winding switching part 4 is configurable to include: diode bridge DB2, and this diode bridge DB2 has and is connected to motor Terminal TU6, TV6 and TW6 of terminal TU4, TV4 and TW4 of 3；With capacitor C2, this capacitor C2 It is configured to the winding 3b for protecting motor 3.Low speed winding switch SW2, diode bridge DB2, capacitor C2 It is electrically connected to each other in parallel with smooth capacitor 2.

Diode bridge DB1 is made up of six diodes D11, D12, D13, D14, D15 and D16, these six Diode is configured to three-phase (U phase, V phase and the W exported from terminal TU3, TV3 and TW3 of motor 3 Phase) alternating current carries out rectification.Diode D11 and D12 is configured to U cross streams electricity is carried out rectification.Diode D13 and D14 is configured to V cross streams electricity is carried out rectification.Diode D15 and D16 is configured to W phase Alternating current carries out rectification.Two diode D17 and D18 are arranged on the DC output side of diode bridge DB1.

Similarly, diode bridge DB2 is made up of six diodes D21, D22, D23, D24, D25 and D26, These six diodes are configured to three-phase (U phase, the V exported from terminal TU4, TV4 and TW4 of motor 3 Mutually and W phase) alternating current carries out rectification.Diode D21 and D22 is configured to U cross streams electricity is carried out rectification. Diode D23 and D24 is configured to V cross streams electricity is carried out rectification.It is right that diode D25 and D26 is configured to W cross streams electricity carries out rectification.Two diode D27 and D28 are arranged on the DC output side of diode bridge DB2.

Control portion 5 is configured to by exporting control signal (inverter control to inverter 1 and winding switching part 4 Signal, high speed winding switch controlling signal and low speed winding switch controlling signal) control inverter 1 and winding is cut Change portion 4.Power supply unit 6 is configured to supply to operate inverter to inverter 1 and winding switching part 4 respectively The electric power (inverter gate pole electric power) of the switch element Q1 to Q6 of 1 and for operating the height of winding switching part 4 Electric power (high speed winding switching gate pole electric power and the low speed winding of speed winding switch SW1 and low speed winding switch SW2 Gate pole electric power is used in switching).

The schematic structure of the motor driving part 10 of this embodiment according to the present invention is described referring now to Fig. 2 to Fig. 4 Make (structure).

As shown in Figures 2 to 4, motor driving part 10 includes accommodating the first housing section 11 of motor 3, accommodating inversion Device portion 1 and the second housing section 12 of winding switching part 4, receiving smoothing capacity device 2, control portion 5 and power supply unit 6 The 3rd housing section 13 and the 4th housing section 14 that is arranged between the first housing section 11 and the second housing section 12.The One housing section the 11, the 4th housing section the 14, second housing section 12 and the 3rd housing section 13 are by the metal of such as aluminum etc Make.First housing section the 11, second housing section the 12, the 3rd housing section 13 and the 4th housing section 14 are in the present invention The example of " housing section ".

First housing section the 11, the 4th housing section the 14, second housing section 12 and the 3rd housing section 13 with this order along The bearing of trend (axial direction (direction A) of motor 3) of the rotary shaft 31 of the motor 3 being described later on is arranged. As shown in Figure 3 and Figure 4, the first housing section the 11, the 4th housing section the 14, second housing section 12 and the 3rd housing section 13 are formed along the cylindrical shape that direction A extends.The first housing section the 11, the 4th formed with cylindrical shape Housing section the 14, second housing section 12 and the 3rd housing section 13 have external diameter substantially equal to each other.

According to this embodiment, the first housing section the 11, the 4th housing section the 14, second housing section 12 and the 3rd housing section 13 utilize soket head cap screw 41,42 and 43 to be fastened in direction a be coupled to each other each other, such as Fig. 2 to Fig. 4 Shown in.Specifically, the first housing section 11 and the 4th housing section 14 utilize soket head cap screw 41 to be fastened to each other and It is coupled to each other, as shown in Figure 3 and Figure 4.4th housing section 14 and the second housing section 12 utilize soket head cap screw 42 It is fastened to be coupled to each other each other.Second housing section 12 and the 3rd housing section 13 utilize soket head cap screw 43 to be fastened to It is coupled to each other each other.Soket head cap screw 41 to 43 is the example of the present invention " fastening member ".

As shown in Figures 2 to 4, it is configured to be arranged on for discoid first lid 15 sealing the 3rd housing section 13 Side (the arrow contrary with first housing section the 11, second housing section 12 and the 4th housing section 14 of the 3rd housing section 13 Head side, A1 direction).It is configured to cover the adopting of opening 141c and 141d of the 4th housing section 14 being described later on Three the second lids 16 to be opened/closed taking generally rectangular shape are arranged in the 4th housing section 14.Such as Fig. 3 and Fig. 4 Shown in, the 3rd housing section 13 and the first lid 15 utilize screw member 44 to be fastened to be coupled to each other each other.4th shell Body 14 and the second lid 16 utilize screw member 45 to be fastened to be coupled to each other each other.

As shown in Figure 3 and Figure 4, the first housing section the 11, the 4th housing section the 14, second housing section 12 and the 3rd housing The part that portion 13 is coupled to each other, the part between the 3rd housing section 13 and the first lid 15 and the 4th housing section 14 And second lid 16 between part (seeing the shadow region in Fig. 3 and Fig. 4) utilize containment member 50 to seal, should Containment member 50 is to have the fluid sealant of water-proof function by applying and make this sealant be dried and formed.

The motor accommodating motor driving part 10 of this embodiment according to the present invention is described referring now to Fig. 5 to Fig. 8 3(sees Fig. 1) the detailed configuration (structure) of the first housing section 11.

As shown in Fig. 5 to Fig. 8, the first housing section 11 has the axial direction at direction A(motor 3) upper extension The side surface portion 111 of cylindrical shape and be arranged on the end of side, arrow A2 direction of side surface portion 111 Bottom surface portion 112.As shown in Fig. 5, Fig. 7 and Fig. 8, side surface portion 111 is provided with screw hole 111a, quilt Be configured to be screw-coupled to the first housing section 11 and the 4th housing section 14 soket head cap screw 41(each other see Fig. 3 and Fig. 4) it is screwed in this screw hole 111a.Described screw hole 111a is configured to the arrow A1 from side surface portion 111 The end face of side, direction extends along arrow A2.As it is shown in fig. 7, when viewing on the axial direction at motor 3, many Individual (being five in this embodiment) screw hole 111a circumferentially goes up and is arranged at interval and retouches after a while Multiple (being five in this embodiment) screw in the side surface portion 141 being arranged on the 4th housing section 14 stated Insert hole 141a(and see Figure 23) corresponding.Being provided with breather valve (not shown) in side surface portion 111, this is exhaled Inhale valve to be configured to prevent when the pressure in the first housing section 11 excessively increases due to temperature increase etc. for suppressing First housing section 11 is damaged due to the pressure of excessively increase.

As shown in Fig. 5 to Fig. 8, the motor 3 being contained in the first housing section includes rotary shaft 31, rotor core 32 and Stator core 33.Rotary shaft 31 is provided near the central part of motor 3 through bottom surface portion 112 and along direction A extends.Rotor core 32 is disposed about rotary shaft 31.Stator core 33 is arranged to and the periphery of rotor core 32 Relatively.Multiple groove 34 is set in the inner circumferential side of stator core 33.For the winding 3a of high-speed driving and drive for low speed Dynamic winding 3b(sees Fig. 1) it is wound around by lap winding etc. and is contained in these multiple grooves 34.

As shown in figure 5 and figure 7, it is contained in the motor 3 in the first housing section 11 and is connected portion of terminal 61 with having nine Nine connecting lines 62 connect, described nine portion of terminal 61 corresponding to the terminal TU2 of winding 3a and 3b, TV2, TW2, TU3, TV3, TW3, TU4, TV4 and TW4(see Fig. 1).These nine connecting lines 62 are set The end face being set to the side, arrow A1 direction from the first housing section 11 highlights and extends in direction a.

According to this embodiment, as shown in Figure 8, the first housing section 11 is provided with the first cooling tube 113, uses Liquid coolant in cooling motor 3 flows in this first cooling tube 113.First end of this first cooling tube 113 Portion's (be positioned at liquid coolant and flow into the end of side) and the second end (be positioned at liquid coolant and flow out the end of side) set It is set near the end of the side, arrow A1 direction of side surface portion 111 from the surface of side, arrow C2 direction outwardly. First cooling tube 113 is the example of " the first cooling end " in the present invention.

First cooling tube 113 is arranged on the whole inside of side surface portion 111 with circumferentially around in side surface portion 111 Space (accommodates the space of motor 3).Specifically, the first cooling tube 113 is formed with multiple linear portion, These linear portion in side surface 111 in direction a end from side, arrow A1 direction extend about arrow A2 Near the end of side, direction.The multiple linear portion extended in direction a are at the end of side, arrow A1 direction and arrow The end of side, A2 direction is alternately connected with each other with U-bend song.Thus, from the first end of the first cooling tube 113 Portion defines a series of flow path to the second end of the first cooling tube 113, and liquid coolant is in this flow path Flowing.

The receiving motor driving part of this embodiment according to the present invention is described referring now to Fig. 9 to Figure 14 and Figure 24 Inverter 1 and the winding switching part 4(of 10 see Fig. 1) the detailed configuration (structure) of the second housing section 12.

As shown in Fig. 9 to Figure 14, the second housing section 12 has the axial direction at direction A(motor 3) upper extension Cylindrical shape side surface portion 121 and along the plane (along direction B and direction C) being orthogonal to direction A Discoid first partition wall 122 extended.As shown in figs.10 and 14, the first partition wall 122 is arranged in side surface On the end of the side, arrow A2 direction in portion 121.

As shown in Fig. 9 to Figure 14, side surface portion 121 is additionally provided with screw insertion hole 121a, is configured to The soket head cap screw 42(that two housing section 12 and the 4th housing section 14 are screw-coupled to each other sees Fig. 3 and Fig. 4) it is inserted into In this screw insertion hole 121a.Screw insertion hole 121a is configured in direction a through side surface portion 121.As Shown in Figure 11, when observing at the axial direction of motor 3, multiple (being seven in this embodiment) screw is inserted Hand-hole 121a is circumferentially positioned apart from into the side table being arranged on the 4th housing section 14 corresponding to being described later on Multiple (being seven in this embodiment) screw hole 141b(in face 141 sees Figure 23).

As shown in Fig. 9, Figure 11 and Figure 13, side surface portion 121 is provided with screw hole 121b, be configured to by The soket head cap screw 43(that second housing section 12 and the 3rd housing section 13 are screw-coupled to each other sees Fig. 3 and Fig. 4) it is screwed Enter screw hole 121b.Screw hole 121b be configured to the end face of the side, arrow A1 direction from side surface portion 121 along Arrow A2 extends.As shown in figure 11, when motor 3 axial direction observe time, multiple (preferably In be six) screw hole 121b is circumferentially positioned apart from into and is arranged on the 3rd shell corresponding to be described later on Multiple (being six in this embodiment) screw insertion hole 131a(in the side surface portion 131 of body 13 sees Figure 17 and Figure 18).

Being provided with breather valve (not shown) in side surface portion 121, this breather valve is configured to when the second housing section Pressure in 12 suppresses the electronic component that the second housing section 12 and Qi Nei is placed due to temperature increase etc. when excessively increasing Damage due to the pressure of excessively increase.

First partition wall 122 is configured to by the winding switching part 4 in the second housing section 12 and inverter 1 each other Isolation.Specifically, inverter 1 is by the inverter module by being provided with electronic component in circuit board Formed, such as Fig. 9 and Figure 11 on the surface of the side, arrow A1 direction that 1a is disposed in the first partition wall 122 Shown in, described electronic component includes that switch element Q1 to Q6(sees Fig. 1).As shown in fig. 10 and fig. 12, around Group switching part 4 be by will be provided with on circuit board include high speed winding switch SW1 and low speed winding switch SW2(sees Fig. 1) the winding handover module 4a and two capacitor module 4b of electronic component be arranged in first Formed on the surface of the side, arrow A2 direction of partition wall 22.Thus, inverter 1 is arranged in about the second shell In the region of first partition wall 122 contrary with motor 3 (side, arrow A1 direction) of body 12.Winding switching part 4 It is arranged in the first partition wall 122 about the second housing section 12 contrary with inverter 1 (side, arrow A2 direction) Region in.According to this embodiment, can separate with first at the switch element Q1 to Q6 of inverter module 1a Part between the surface of the side, arrow A1 direction of wall 122 arranges insulating radiation sheet.

As shown in figures 9 and 11, inverter module 1a is provided with terminal TU1, the TV1 with inverter 1 Fig. 1 is seen with TW1() corresponding three plate-like connection terminal portions 63.These three connects portion of terminal 63 and is configured to End face from the side, arrow C1 direction of inverter module 1a highlights.Join with terminal TP1 and TN1(of inverter 1 See Fig. 1) a pair corresponding connection portion of terminal 64 be disposed adjacent at the first partition wall 122 with inverter module 1a On the surface of side, arrow A1 direction.

As shown in Fig. 9 and Figure 24, connect portion of terminal 64 and be respectively provided with in the upper part extended of axial direction (direction A) And be formed as U-shaped, so that its first end side and the second end side extend in direction c.As it is shown in figure 9, Connect the part (in the long part that side, arrow A2 direction extends) on the first end side of portion of terminal 64 along direction C It is arranged on the surface of side, arrow A1 direction of the first partition wall 122.As shown in figure 24, portion of terminal 64 is connected The second end side part (in the short part extended along direction C of side, arrow A1 direction) is configured to by screw bullet Property it is connected to the plate-like connection terminal portion being described later on of the smoothing capacity device 2 being contained in the 3rd housing section 13 66。

As shown in fig. 10 and fig. 12, be provided with in winding handover module 4a the terminal TU5 with winding switching part 4, TV5, TW5, TU6, TV6 and TW6(see Fig. 1) corresponding six connection portion of terminal 65.These six connections Three connection portion of terminal in portion of terminal 65 are arranged in the arrow on the surface of the side, arrow A2 direction of winding handover module 4a Head side, B1 direction, and its excess-three connects portion of terminal 65 and is arranged in the side, arrow A2 direction of winding handover module 4a The side, arrow B2 direction on surface.

As shown in Figure 10, connect portion of terminal 65 be all formed as L-shaped, have the part extended in direction a and The part extended on the B of direction.Connect portion of terminal 65 extend in directionb these be partially disposed in winding and cut On the surface of the side, arrow A2 direction of die change block 4a.As shown in figure 24, portion of terminal 65 is connected in direction a Extend part be configured to by screw be resiliently connected to the terminal TU3 with motor 3, TV3, TW3, TU4, TV4 and TW4(sees Fig. 1) corresponding connection portion of terminal 61.

According to this embodiment, as shown in Fig. 9 to Figure 14, the second housing section 12 arranges the second cooling tube 123, This second cooling tube 123 is configured for cooling down the inverter module on the surface being arranged in the first partition wall 122 1a(inverter 1) and winding handover module 4a(winding switching part 4).First end of this second cooling tube 123 Portion's (be positioned at liquid coolant and flow into the end of side) and the second end (be positioned at liquid coolant and flow out the end of side) quilt The vicinity of the middle body in direction c being arranged in side surface portion 121 is outside from the surface of side, arrow A2 direction Prominent.Second cooling tube 123 is the example of the present invention " the second cooling end ".

As shown in Figure 11 to 14, the second cooling tube 123 is formed with in the first partition wall 122 from arrow The end of side, B2 direction extends to the U-shaped portion near the end of side, arrow B1 direction.Thus, from the second cooling tube The first end of 123 defines a series of flow path to its second end, and liquid coolant flows in this flow path Dynamic.As in figure 2 it is shown, the first end of the second cooling tube 123 of the second housing section and the first of the first housing section 11 The second end of cooling tube 113 is by including that the connection part 70 of pipe etc. is coupled to each other.

As shown in figure 11, when viewing on the axial direction at motor 3, the second cooling tube 123 is configured to and peace The switch element Q1 to Q6(of the inverter 1 being contained in inverter module 1a sees Fig. 1) overlapping.Such as Figure 12 Shown in, when viewing on the axial direction at motor 3, the second cooling tube 123 is configured to and is arranged on winding switching The high speed winding switch SW1 and low speed winding switch SW2 of the winding switching part 4 in module 4a are overlapping.At Figure 11 In, switch element Q1 to Q6 is all to represent by the rectangular shape shown in single dotted broken line.In fig. 12, at a high speed around Group switch SW1 and low speed winding switch SW2 is all illustrated with the rectangular shape represented by double dot dash line.

As is illustrated by figs. 11 and 12, the first partition wall 122 is provided with three the first hole 122a, described first Hole 122a is configured to allow for being connected to the inverter 1 of inverter module 1a and the winding of winding handover module 4a The distribution of switching part 4 passes.Such as, it is arranged near the end of side, arrow C1 direction of the first partition wall 122 One the first hole 122a is provided in mutual to the first housing section the 11, the 4th housing section 14 and the second housing section 12 Connection portion of terminal 69(being described later on of the connection portion of terminal 63 allowing connection to inverter 1 during connection sees figure 24) pass.Two the first hole 122a near the end of the side, arrow B1 direction being arranged on the first partition wall 122 It is configured to allow to be configured to be transferred to control signal from control portion 5 inverter 1 and winding switching part 4 Distribution (not shown) etc. pass.

As shown in Figure 10, Figure 12 and Figure 14, arrange in the surface of the side, arrow A2 direction of the first partition wall 122 There are two recess 122b.SW1 and low speed winding switch SW2 is switched with the high speed winding being connected to winding switching part 4 Capacitor C1 and C2(see Fig. 1) two corresponding capacitor module 4b are arranged in the two recess 122b.

Describe receiving motor according to the embodiment of the present invention now with reference to Figure 15 to Figure 20 and Figure 24 to drive The smoothing capacity device 2 in portion 10, control portion 5 and power supply unit 6(see Fig. 1) the detailed structure of the 3rd housing section 13 Make (structure).

As shown in Figure 15 to Figure 20, the 3rd housing section 13 has the axial direction at direction A(motor 3) on prolong The side surface portion 131 of the cylindrical shape stretched and along the plane (along direction B and direction C) being orthogonal to direction A Discoid second partition wall 132 extended.As shown in Figure 19 and Figure 20, the second partition wall 132 is at side surface portion Extend in a planar form on direction B and direction C in 131.

As shown in Figure 15 to Figure 20, side surface portion 131 is provided with screw insertion hole 131a, is configured to The soket head cap screw 43(that three housing section 13 and the second housing section 12 are screw-coupled to each other sees Fig. 3 and Fig. 4) inserting should In screw insertion hole.Screw insertion hole 131a is configured in direction a through side surface portion 131.Such as Figure 17 and Shown in Figure 18, when viewing on the axial direction at motor 3, multiple (being six in this embodiment) screw Insert hole 131a arrange the most at interval, with the side surface portion 121 being arranged on the second housing section 12 In multiple (being six in this embodiment) screw hole 121b(see Figure 11) corresponding.

As shown in Figure 15, Figure 17 and Figure 19, side surface portion 131 is provided with screw hole 131a, be configured to by 3rd housing section 13 and the first lid 15 screw member 44(being screw-coupled to each other see Fig. 3 and Fig. 4) be screwed into described In screw hole 131b.These screw holes 131b is configured to the end face of the side, arrow A1 direction from side surface portion 131 Start to extend along arrow A2.As shown in figure 17, when viewing on the axial direction at motor 3, multiple ( This embodiment is eight) screw hole 131b arranges the most at interval, be arranged on the first lid Multiple (being eight in this embodiment) screw insertion hole 15a(in 15 sees Fig. 3 and Fig. 4) corresponding.

As shown in Figure 15, Figure 17 and Figure 19, side surface portion 131 is provided with through hole 131c, through hole 131c quilt It is configured to allow for the panel 5a being described later on being arranged in the 3rd housing section 13 and is arranged on motor driving part The connecting line 60 that the control portion (not shown) of the whole vehicle 100 outside 10 is connected to each other passes.3rd housing The part supplying connecting line 60 to pass of the side surface portion 131 in portion 13 utilizes sealant to seal.

Being provided with breather valve (not shown) in side surface portion 131, this breather valve is configured in the 3rd housing section Pressure in 13 prevents the 3rd housing section 13 and is placed on electronics therein unit when excessively increasing due to temperature increase etc. Part damages due to the pressure of excessively increase.

Second partition wall 132 is configured to the smoothing capacity device 2 in the 3rd housing section 13 and control portion 5 and power supply Portion 6 isolates.Specifically, it is provided with the smoothing capacity device 2 of thin film capacitor and electrochemical capacitor and installs The panel 5a having control portion 5 is disposed adjacently to one another the arrow A1 side at the second partition wall 132 in directionb On the surface of side, as shown in Figure 15 and Figure 17.As shown in fig. 16 and 18, the power supply of power supply unit 6 is installed Plate 6a is arranged on the surface of side, arrow A2 direction of the second partition wall 132.Thus, smoothing capacity device 2 and control Portion 5 processed is arranged in the second partition wall 132 about the 3rd housing section 13 and motor 3, winding switching part 4 and inversion In the region in device portion 1 contrary (side, arrow A1 direction).Power supply unit 6 is arranged in about the 3rd housing section 13 In the region of two compartment wall 132 contrary with smoothing capacity device 2 and control portion 5 (side, arrow A2 direction).

As shown in Figure 15 and Figure 17, it is provided with in filtering capacitor 2 and sees Fig. 1 with terminal TP2 and TN2() Two corresponding plate-like connection terminal portions 66.The two connects portion of terminal 66 and is configured to from rectangular parallelepiped protrusion part The surface of the side, arrow B2 direction of smoothing capacity device 2 highlights.As shown in figure 24, connect portion of terminal 66 to be configured to Terminal TP1 and TN1(being electrically connected to inverter 1 by screw sees Fig. 1) corresponding a pair connection terminal The second end side part (in the short side part that side, arrow A2 direction extends along direction B) in portion 64.Such as Figure 15 and Shown in Figure 17, the connecting line 67 being connected to battery unit 20 is screwed onto connection portion of terminal 66.The two connecting line 67 It is provided in the side surface through the 3rd housing section 13 near the middle body in direction c of side surface portion 131 The part of the side, arrow B2 direction in portion 131 also extends in directionb.The side surface portion 131 of the 3rd housing section 13 The part passed for connecting line 67 utilize sealant to seal.

According to this embodiment, the second partition wall 132 of the 3rd housing section 13 is provided with three the second hole 132a, Described second hole 132a is configured to allow for being connected to the control portion 5 that is arranged on panel 5a and is arranged on power panel The distribution of the power supply unit 6 on 6a passes, as shown in Figure 15 to Figure 20.Such as, the second partition wall 132 it is arranged on Side, arrow B2 direction end near a second hole 132a be provided in the second housing section 12 and the 3rd Corresponding for terminal TP1 and TN1 a pair with inverter 1 is allowed to connect portion of terminal when housing section 13 is coupled to each other 64 pass, as shown in figure 24.It is arranged on two near the second partition wall 132 two ends in direction c Two hole 132a are configured to allow the distribution (not shown) etc. being configured to from control portion 5 transmission of control signals to pass.

The 4th housing referring now to Figure 21 to Figure 24 description motor driving part 10 according to the embodiment of the present invention The detailed configuration (structure) in portion 14.

As shown in FIG. 21 to 24, the 4th housing section 14 has the axial direction at direction A(motor 3) on prolong The side surface portion 141 of the cylindrical shape stretched and being arranged on the end of side, arrow A2 direction of side surface portion 141 Bottom surface portion 142.As shown in Figure 21 to Figure 23, it is connected to be contained in the rotation of the motor 3 in the first housing section 11 The bearing 142a of the end (seeing Fig. 5) of the side, arrow A1 direction of rotating shaft 31 is arranged in bottom surface portion 142 In the part of centre.

As shown in Figure 21 to Figure 23, side surface portion 141 is provided with screw insertion hole 141a, is configured to The soket head cap screw 41(that four housing section 14 and the first housing section 11 are screw-coupled to each other sees Fig. 3 and Fig. 4) inserting should In screw insertion hole 141a.Screw insertion hole 141a is configured in direction a through side surface portion 141.Such as figure Shown in 23, when viewing on the axial direction at motor 3, multiple (being five in this embodiment) screw is inserted Hand-hole 141a is arranged the most at interval, with in the side surface portion 11 being arranged on the first housing section 11 Multiple (being five in this embodiment) screw hole 111a(see Fig. 7) corresponding.

As shown in Figure 21 and Figure 23, side surface portion 141 is provided with screw hole 141b, is configured to the 4th shell The soket head cap screw 42(that body 14 and the second housing section 12 are screw-coupled to each other sees Fig. 3 and Fig. 4) it is screwed into this spiral shell In nail 141b.These screw holes 141b is configured to the end face edge of the side, arrow A1 direction from side surface portion 141 Arrow A2 to extend.As shown in figure 23, when viewing on the axial direction at motor 3, multiple (in this enforcement Mode is seven) screw hole 141b arranges the most at interval, be arranged on the second housing section 12 Side surface portion 121 in multiple (being seven in this embodiment) screw insertion hole 121a corresponding.

Being provided with breather valve (not shown) in side surface portion 141, this breather valve is configured in the 4th housing section Pressure in 14 prevents the 4th housing section 14 from damaging due to the pressure of excessively increase when excessively increasing owing to temperature increases Bad.

According to this embodiment, as shown in Figure 21, Figure 23 and Figure 24, in the 4th housing section 14, it is provided with L Shape connects portion of terminal 68, and these connect portion of terminal and are respectively provided with the part extended in direction a and extend in direction c Part.As shown in Figure 21 and Figure 23, the part extended in direction c of portion of terminal 68 is connected by by resin The insulating component (not shown) made is arranged on the side, arrow A1 direction of the bottom surface portion 142 of the 4th housing section 14 Surface on.

As shown in figure 24, the part extended in direction a connecting portion of terminal 68 is configured in the first housing section 11 and the 4th housing section 14 be electrically connected to terminal TU2, TV2, the TW2 with motor 3 by screw when being coupled to each other Three connection portion of terminal 61 that (seeing Fig. 1) is corresponding.Connect the part quilt extended in direction a of portion of terminal 68 It is configured to when the first housing section the 11, the 4th housing section 14 and the second housing section 12 are coupled to each other by being screwed onto L Shape connects portion of terminal 69 and is electrically connected to the end of the inverter 1 with the second housing section 12 via connection portion of terminal 69 Sub-TU1, TV1 and TW1(see Fig. 1) corresponding connection portion of terminal 63.Thus, according to this embodiment, It is configured to motor 3 and inverse when the first housing section the 11, the 4th housing section 14 and the second housing section 12 are coupled to each other The connection portion of terminal 61,68 and 69 that change device portion 1 is electrically connected to each other is contained in the 4th housing section 14.

According to this embodiment, as shown in figure 24, when the first housing section the 11, the 4th housing section 14 and the second housing When portion 12 is coupled to each other, join at terminal TU3, TV3, TW3, TU4, TV4, the TW4(corresponding to motor 3 See Fig. 1) six connection portion of terminal 61 and corresponding to the terminal TU5 of winding switching part 4, TV5, TW5, TU6, TV6, TW6(see Fig. 1) six connection portion of terminal 65 be screwed under state each other, these six connect ends Sub-portion 61 and six connection portion of terminal 65 are accommodated in the 4th housing section 14.In other words, according to this embodiment, The connection portion of terminal 61 and 65 being configured to be electrically connected to each other motor 3 and winding switching part 4 is in the first housing section 11, the 4th housing section 14 and the second housing section 12 are contained in the 4th housing section 14 when being coupled to each other.

According to this embodiment, as shown in figure 21 and figure, set in the side surface portion 141 of the 4th housing section 14 Put rectangular aperture 141c and 141d.One opening 141c is at the middle body in directionb of side surface portion 141 Near be arranged in the part of side, arrow C1 direction of side surface portion 141.One opening 141d is at side surface portion 141 Middle body in direction c near be arranged on the arrow B1 direction side, Ce HeB2 direction of side surface portion 141 In various piece.Three tabulars second are covered on 16 side surface portion 141 being arranged on the 4th housing section 14 to cover opening 141c and 141d.These second lids 16 are configured to use screw member 45 and are fastened to side surface portion 141.

As shown in figure 24, opening 141c is arranged on when the 4th housing section 14 and the second housing section 12 are coupled to each other With in part corresponding to connection portion of terminal 68 and 69 being contained in the 4th housing section 14.Therefore, when by the 4th shell When body 14 and the second housing section 12 are coupled to each other, will be able to connect the outside of the 4th housing 14 via opening 141c It is connected to see Fig. 1 with terminal TU1, TV1 and TW1(of the inverter 1 of the second housing section 12) corresponding company Connection portion of terminal 68 in the connection portion of terminal 69 in connecting terminal portion 63 and the 4th housing section 14 is screw-coupled to each other.

As shown in Figure 24, opening 141d is arranged on when the first housing section the 11, the 4th housing section 14 and the second housing When portion 12 is coupled to each other with in part corresponding to connection portion of terminal 61 and 65 being contained in the 4th housing section 14.Cause And, when the first housing section the 11, the 4th housing section 14 and the second housing section 12 are coupled to each other, can be via opening Mouthful 141d outside the 4th housing section 14 by with terminal TU3, TV3, TW3, TU4, TV4 of motor 3 and TW4(sees Fig. 1) six corresponding connection portion of terminal 61 and with the terminal TU5 of winding switching part 4, TV5, Six connection portion of terminal 65 that TW5, TU6, TV6 are corresponding with TW6 are screw-coupled to each other.

According to this embodiment, as shown in figure 23 and figure 24, bottom surface portion 142 is provided with three the 3rd holes 142b, these three the 3rd hole 142b are configured to when the 4th housing section 14 and the first housing section 11 are coupled to each other permit Permitted to see Fig. 1 with terminal TU2, TV2 and TW2(of motor 3) corresponding three connect portion of terminal 61 and and horse Terminal TU3, TV3, TW3, TU4, TV4 and TW4(of reaching 3 see Fig. 1) corresponding six connection terminals Portion 61 passes.

Describe the motor for assembling this embodiment according to the present invention referring now to Fig. 2 to Fig. 4 and Figure 24 to drive The process in portion 10.

As shown in Figure 3 and Figure 4, first, utilize soket head cap screw 41 that inner containment has motor 3 in direction a The first housing section 11 and the 4th housing section 14 is fastened to each other, so that they are coupled to each other.Specifically, first First, by aligned with each other for the screw insertion hole 141a of the 4th the housing section 14 and screw hole 111a of the first housing section 11. Afterwards, soket head cap screw 41 is inserted in screw insertion hole 141a, thus soket head cap screw 41 is screwed to screw In the 111a of hole.Now, by apply fluid sealant and make its be dried and in the first housing section 11 and the 4th housing section Border (seeing the shadow region in Fig. 3 and Fig. 4) between 14 is upper forms containment member 50.It addition, now, The end of the side, arrow A1 direction of the rotary shaft 31 of motor 3 is connected to the bottom surface portion 142 of the 4th housing section 14 Bearing 142a.

Now, as shown in figure 24, by the 3rd hole 142b of the 4th housing section 14 by with the terminal TU2 of motor 3, TV2 and TW2(sees Fig. 1) three corresponding connection portion of terminal 61 insert in the 4th housing section 14.Afterwards, By screw, the connection portion of terminal 61 inserted by this way is connected to via the insulating component in the 4th housing section 14 The connection portion of terminal 68 that (not shown) is installed.It addition, now, by the 3rd hole 142b also by the end with motor 3 Sub-TU3, TV3, TW3, TU4, TV4 and TW4(see Fig. 1) six corresponding connection portion of terminal 61 insert Enter in the 4th housing section 14.

Afterwards, soket head cap screw 42 is utilized will to be attached to above-mentioned 4th housing of the first housing section 11 in direction a Portion 14 and be provided with second housing section 12 of inverter module 1a and winding switching part 4a be fastened to each other and by them It is coupled to each other, as shown in Figure 3 and Figure 4.Specifically, by the screw insertion hole 121a and of the second housing section 12 The screw hole 141b of four housing section 14 is aligned with each other.Afterwards, soket head cap screw 42 is inserted screw insertion hole 121a In, and soket head cap screw 42 is screw-coupled to screw hole 141b.Now, by applying fluid sealant and making it do Dry and on border (seeing the shadow region of Fig. 3 and Fig. 4) between the second housing section 12 and the 4th housing section 14 Form containment member 50.And, now, by screw by with the terminal TU1 of the inverter 1 of inverter module 1a, TV1 and TW1(sees Fig. 1) corresponding connection portion of terminal 63 and L-shaped connect portion of terminal 69 and be connected to each other, As shown in Figure 24.

Afterwards, as shown in figure 24, via opening 141c utilize screw by be connected to terminal TU1 with inverter 1, TV1 and TW1(sees Fig. 1) the above-mentioned connection portion of terminal 69 of corresponding connections portion of terminal 63 be arranged on the 4th Connection portion of terminal 68 in housing section 14 is connected to each other.Thus, by terminal TU1, TV1 of inverter 1 and TW1(sees Fig. 1) and terminal TU2, TV2 and TW2(of motor 3 see Fig. 1) be electrically connected to each other.Warp By opening 141d utilize screw by with the terminal TU5 of the winding switching part 4 of winding handover module 4a, TV5, TW5, TU6, TV6 and TW6(see Fig. 1) corresponding connection portion of terminal 65 and with the terminal TU3 of motor 3, TV3, TW3, TU4, TV4 and TW4(see Fig. 1) six corresponding connection portion of terminal 61 are connected to each other.Afterwards, Screw member 45 is utilized to be arranged in the 4th housing section 14 to cover opening 141c and 141d by the second lid 16.This Time, (join in the 4th housing section 14 and the second part covering between 16 by applying fluid sealant and make it be dried See the shadow region in Fig. 3 and Fig. 4) upper formation containment member 50.

Afterwards, as shown in Figure 3 and Figure 4, soket head cap screw 43 is utilized will to be attached to the first housing 11 in direction a With above-mentioned second housing section 12 of the 4th housing section 14 and be provided with smoothing capacity device 2, panel 5a and power panel 3rd housing section 13 of 6a is fastened to they be coupled to each other each other.Specifically, by the 3rd housing section 13 The screw hole 121b of screw insertion hole 131a and the second housing section 12 is aligned with each other.Afterwards, by soket head cap screw 43 Insert screw insertion hole 131a, and soket head cap screw 43 is inserted screw hole 121b.Now, close by applying liquid Envelope agent also makes it be dried and border between the second housing section 12 and the 3rd housing section 13 (sees Fig. 3 and Fig. 4 In shadow region) upper form containment member 50.Afterwards, as shown in figure 24, by screw by the second housing section 12 In connection portion of terminal 64 and the connection portion of terminal 66 of smoothing capacity device 2 in the 3rd housing section 13 be connected to each other. And, now, by the first hole 122a and the second hole 132a of the second partition wall 132 through the first partition wall 122 Connecting line (not shown) by the inverter module 1a in the second housing section 12 and winding handover module 4a and the 3rd Panel 5a and power panel 6a in housing section 13 are connected to each other.By the side surface through the 3rd housing section 13 The connecting line 60 of the through hole 131c in portion 131 by panel 5a be arranged on outside motor driving part 10 be used for whole The control portion (not shown) of vehicle 100 is connected to each other.

Finally, it is arranged in the 3rd housing section 13 to be sealingly connected to the first housing section the 11, the 4th by the first lid 15 The side, arrow A1 direction of the 3rd housing section 13 of housing section 14 and the second housing section 12.Specifically, by first The screw insertion hole 15a of the lid 15 and screw hole 131b of the 3rd housing section 13 is aligned with each other.Afterwards, by screw structure Part 44 inserts in screw insertion hole 15a, and screw member 44 is screwed in screw hole 131b.Now, logical Cross and apply fluid sealant and make it be dried and (see Fig. 3 in the 3rd housing section 13 and the first part covered between 15 With the shadow region in Fig. 4) upper formation containment member 50.

In the above described manner, the motor driving part 10(being assembled into this embodiment according to the present invention sees Fig. 2).

According to this embodiment, accommodate inverter 1, motor 3 and winding switching part 4 as it has been described above, be provided with First housing section the 11, second housing section the 12, the 3rd housing section 13 and the 4th housing section 14, and the first housing section 11, the 4th housing section the 14, the 3rd housing section 13 and the second housing section 12 are coupled to each other.Thus, it is possible to will accommodate First housing section the 11, second housing section the 12, the 3rd housing section of inverter 1, motor 3 and winding switching part 4 13 and the 4th housing section 14 be coupled to each other and integral, therefore, it is possible to suppression is accommodating inverter 1, motor 3 and Dead space is formed between the housing section of winding switching part 4.Can save for motor driving part 10 as a result, it is possible to provide The vehicle 100 in space.In the vehicle 100 a large amount of components must being arranged in limited arrangement space this favorably Effect will be particularly effective.

According to this embodiment, as it has been described above, motor 3 is accommodated in and accommodates inverter 1 and winding switching part 4 Different single first housing section 11 of housing section in.Thus, it is possible to by inverter 1 and winding switching part 4 with Motor 3 as heating element is separated, the impact that thus inverter 1 and winding switching part 4 are not heated, thus inverse Become device portion 1 and winding switching part 4 can operate well.And, switch with inverter 1, motor 3 and winding The situation that portion 4 is contained in same single housing portion is compared, and facilitates disassembly and assembly, therefore, it is possible to enter more quickly Row safeguards (or can reduce maintenance time).

According to this embodiment, as it has been described above, motor 3 is accommodated in the first housing section 11, and inverter 1 It is accommodated in the second housing section 12 with winding switching part 4.Therefore, with inverter 1 and winding switching part 4 quilt Situation about being contained in two different housing section is different, can be formed have simple profile include inverter 1, Motor 3 and the device of winding switching part 4.

According to this embodiment, as it has been described above, be provided with in the second housing section 12, inverter 1 and winding are cut Change the first partition wall 122 that portion 4 is isolated from each other.Additionally, inverter 1 is arranged in about the second housing section 12 In the region of the first partition wall 122 contrary with motor 3 (side, arrow A1 direction), and winding switching part 4 is arranged District in the first partition wall 122 about the second housing section 12 contrary with inverter 1 (side, arrow A2 direction) In territory.Therefore, it can utilize the both sides (side, arrow A1 direction and side, arrow A2 direction) of the first partition wall 122 Space (region), when inverter 1 and winding switching part 4 are separated from each other easily by inverter 1 and winding switching part 4 be arranged in the second housing section 12.

Additionally, inverter 1 is arranged in the first partition wall 122 (arrow contrary with motor 3 about the second housing section 12 Head side, A1 direction) region in, and winding switching part 4 be arranged in about the second housing section 12 first separation In the region of wall 122 contrary with inverter 1 (side, arrow A2 direction), thus, compared with winding switching part 4 Be connected to the number of terminals less (three terminals TU1, TV1, TW1(see Fig. 1) of motor 3) inverter Portion 1 can be disposed in away from motor 3 remote position, and is connected to the number of terminals of motor 3 compared with inverter 1 Measure more (six terminals TU5, TV5, TW5, TU6, TV6 and TW6(see Fig. 1)) winding switching Portion 4 can be arranged in away from the nearer position of motor 3.Thus, it is possible to reduce motor 3 and the terminal of inverter 1 Between and the terminal of motor 3 and winding switching part 4 between the total length of distribution, therefore, it is possible to reduce wiring inductance.

According to this embodiment, allow connection to inverter 1 as it has been described above, be provided with in the first partition wall 122 (the connection end of the connection portion of terminal 63 to inverter 1 such as, it is connected by screw with the distribution of winding switching part 4 Sub-portion 69(sees Figure 24) and it is configured to be transferred to the control signal from control portion 5 inverter 1 He The distribution (not shown) of winding switching part 4) the first hole 122a of passing.Therefore, it is possible to by the first hole 122a The distribution being connected to inverter 1 and winding switching part 4 is contained in the second housing section 12, it is therefore not necessary to The outside space guaranteed for arranging the distribution being connected to inverter 1 and winding switching part 4 of second housing section 12. Thus, it is possible to save the space for motor driving part 10 further.

According to this embodiment, as it has been described above, be configured to cool down the first cooling tube 113 of motor 3 and be configured to Second cooling tube 123 of cooling inverter 1 and winding switching part 4 is separately positioned on the first housing section 11 and second In housing section 12.Thus, motor 3 can easily be cooled down by the first cooling tube 113, and inverter 1 He Winding switching part 4 can easily be cooled down by the second cooling tube 123.

According to this embodiment, as it has been described above, the second cooling tube 123 is configured to and the switch element of inverter 1 The high speed winding switch SW1 and low speed winding switch SW2 of Q1 to Q6 and winding switching part 4 are overlapping.Thus, Can effectively cool down the switch element Q1 to Q6 as heating element by the second cooling tube 123, high speed winding is opened Close SW1 and low speed winding switch SW2.

According to this embodiment, as it has been described above, in addition to motor 3, inverter 1 and winding switching part 4, control Portion 5 processed is also accommodated in first housing section the 11, the 4th housing section the 14, second housing section 12 and the 3rd being coupled to each other In housing section 13.Thus, it is different from the situation in the private casing portion being separately provided for accommodating control portion 5, it is possible to Suppression is accommodating inverter 1, motor 3, is being formed between winding switching part 4 and the housing section in control portion 5 further Dead space.

According to this embodiment, as it has been described above, except motor 3, inverter 1, winding switching part 4 and control portion Outside 5, power supply unit 6 is also accommodated in first housing section the 11, the 4th housing section the 14, second housing being coupled to each other In portion 12 and the 3rd housing section 13.Thus, with the situation in the private casing portion being separately provided for accommodating power supply unit 6 Different, it is possible to suppression is accommodating inverter 1, motor 3, winding switching part 4, control portion 5 and power supply further Dead space is formed between the housing section in portion 6.

According to this embodiment, as it has been described above, control portion 5 and power supply unit 6 are accommodated in the 3rd housing section 13. Thus, different from the situation that control portion 5 and power supply unit 6 are accommodated in different housing section, it is possible to simplify device structure Make.

According to this embodiment, as it has been described above, the second partition wall 132 that control portion 5 and power supply unit 6 are isolated from each other It is arranged in the 3rd housing section 13.Additionally, control portion 5 is arranged in the second partition wall about the 3rd housing section 13 In the region of 132 contrary with motor 3, inverter 1 and winding switching part 4 (sides, arrow A1 direction), and electric Source portion 6 is arranged in (the arrow A2 direction contrary with control portion 5 of the second partition wall 132 about the 3rd housing section 13 Side) region in.Thus, utilize both sides (side, arrow A1 direction and the arrow A2 direction of the second partition wall 132 Side) space (region) can easily control portion 5 and power supply unit 6 be arranged in the 3rd housing section 13.This Outward, can be using control portion 5 and motor 3, inverter 1 and the winding as heating element by the second partition wall 132 Switching part 4 is separated, and thus, control portion 5 is not readily susceptible to the impact of heat, and therefore control portion 5 can grasp well Make.

According to this embodiment, allow connection to control portion 5 as it has been described above, be provided with in the second partition wall 132 A pair corresponding with the distribution of power supply unit 6 (such as, seeing Fig. 1 with terminal TP1 and TN1(of inverter 1) Connect portion of terminal 64(and see Fig. 9, Figure 11 and Figure 24) and be configured to transmit the control letter from control portion 5 Number distribution (not shown)) the second hole 132a of passing.Thus, can will be connected to control by the second hole 132a The distribution of portion 5 processed and power supply unit 6 is contained in the 3rd housing section 13, thus without outside really in the 3rd housing section 13 Guarantee in the space arranging the distribution being connected to control portion 5 and power supply unit 6.Therefore, it is possible to save further for horse Reach the space of drive division 10.

According to this embodiment, as it has been described above, smoothing capacity device 2 is arranged in second point about the 3rd housing section 13 Next door 132 and control portion 5 are in the region of the same side (side, arrow A1 direction).Thus, by the second partition wall Smoothing capacity device 2 can be separated by 132 with motor 3, inverter 1 and the winding switching part 4 as heating element, Thus smoothing capacity device 2 is not readily susceptible to the impact of heat.Therefore, it is suppressed that the performance of smoothing capacity device 2 is due to heat It is deteriorated such that it is able to improve the reliability (service life) of smoothing capacity device 2 further.

According to this embodiment, as it has been described above, accommodate the first housing section 11 of motor 3, accommodate inverter 1 and Second housing section 12 of winding switching part 4 and the 3rd housing section 13 of receiving control portion 5 and power supply unit 6 are along motor The bearing of trend (direction A) of the rotary shaft 31 of 3 is coupled to each other.Thus, by by the first housing section 11, second Housing section 12 and the 3rd housing section 13 are coupled to each other and enable to they extension sides along the rotary shaft 31 of motor 3 Extend linearly to (direction A), therefore, it is possible to simplify device structure.Additionally, with the first housing section 11, second The situation that housing section 12 is linearly formed not over being coupled to each other with the 3rd housing section 13 is compared, it is possible to further The formation of suppression dead space.

According to this embodiment, as it has been described above, the first housing section the 11, second housing section 12 and the 3rd housing section 13 It is all formed as the cylindrical shape that the bearing of trend (direction A) of the rotary shaft 31 along motor 3 extends.Therefore, Bearing of trend (direction A) along the rotary shaft 31 of motor 3 can be easily by the first housing of cylindrical shape Portion's the 11, second housing section 12 and the 3rd housing section 13 are coupled to each other.

According to this embodiment, as it has been described above, the first lid 15 sealing the first housing section 11 is arranged on the 3rd housing section The side (arrow A1 direction side) contrary with the first housing section 11 and the second housing section 12 of 13.Thus, logical Cross first lid 15 can suppress foreign body from the 3rd housing section 13 and the first housing section 11 and the second housing section 12 Contrary side (side, arrow A1 direction) enters.

According to this embodiment, it is configured to motor 3 is electrically connected to inverter 1 as it has been described above, be provided with receiving With the 4th housing section 14 of the connection portion of terminal 61,65,68 and 69 of winding switching part 4, and at the 4th housing Portion 14 is arranged under the state between the first housing section 11 and the second housing section 12, along the rotary shaft 31 of motor 3 Bearing of trend (direction A) by the first housing section the 11, the 4th housing section the 14, second housing section 12 and the 3rd housing Portion 13 is coupled to each other.Therefore, it is possible to will be configured to be electrically connected to motor 3 inverter 1 and winding switching part 4 Connection portion of terminal 61,65,68 and 69 be contained in the 4th housing section 14, thus without in the 4th housing section 14 Outside guarantees for arranging the space connecting portion of terminal 61,65,68 and 69.It is used for therefore, it is possible to save further The space of motor driving part 10.

Additionally, the 4th housing section 14 is arranged between the first housing section 11 and the second housing section 12, thus, accommodate Inverter 1 and winding switching part 4 in the second housing section 12 and be contained in the control in the 3rd housing section 13 Portion 5 and power supply unit 6 can be separated with the motor 3 as heating element being contained in the first housing section 11.Thus, Inverter 1, winding switching part 4, control portion 5 and power supply unit 6 are not readily susceptible to the impact of heat, thus inverter Portion 1, winding switching part 4, control portion 5 and power supply unit 6 can operate well.

According to this embodiment, as it has been described above, opening 141c and 141d is separately positioned on the side of the 4th housing section 14 Surface element 141 with connect portion of terminal 61,68 and 69 corresponding part and the side surface portion 141 of the 4th housing section 14 With connect in part corresponding to portion of terminal 61 and 65, and be provided with can for cover opening 141c and 141d Second lid 16 of opening and closing.Thus, by opening 141c and 141d can easily be attached portion of terminal 61,65, The connection of 68 and 69 and maintenance.Additionally, opening 141c and 141d utilizes the second lid 16 to cover, it is possible to press down Foreign body processed is entered by opening 141c and 141d.

According to this embodiment, as it has been described above, first housing section the 11, the 4th housing section the 14, second housing section 12 And the part and the 4th that the 3rd between housing section 13 part, the 3rd housing section 13 and the first lid 15 that are coupled to each other Part (seeing the shadow region in Fig. 3 and Fig. 4) between housing section 14 and the second lid 16 utilizes containment member 50 seal.Thus, by containment member 50 can suppress foreign body pass through the first housing section the 11, the 4th housing section 14, Part, the 3rd housing section 13 and first that second housing section 12 and the 3rd housing section 13 are coupled to each other are covered between 15 Being partially between part and the 4th housing section 14 and the second lid 16.

According to this embodiment, as it has been described above, the switch element Q1 to Q6 of inverter 1 and winding switching part The high speed winding switch SW1 and low speed winding switch SW2 of 4 are made by SiC semiconductor.Thus, switch element Q1 to Q6, high speed winding switch SW1 and low speed winding switch SW2 is partly led by the SiC with excellent heat resistance System becomes, therefore, even if just by switch element Q1 to Q6, high speed winding switch SW1 and low speed winding switch SW2 Heat that the operation of itself produces and by connecting line 62 etc. for winding 3a and 3b of motor 3 transmits the heat come, The switch element Q1 to Q6 of the inverter 1 and high speed winding switch SW1 of winding switching part 4 and low speed winding Switch SW2 also is able to operate well.

According to this embodiment, as it has been described above, first housing section the 11, the 4th housing section the 14, second housing section 12 Soket head cap screw 41 to 43 is utilized to be fastened to be coupled to each other each other with the 3rd housing section 13.Therefore, interior six are utilized Angle screw 41 to 43 can be easily by first housing section the 11, the 4th housing section the 14, second housing section 12 and the 3rd Housing section 13 is coupled to each other.

Embodiment disclosed herein the most all must be considered as exemplary and nonrestrictive.The present invention's Scope represents not by the foregoing description of described embodiment, but by the scope of claim to be protected Represent.And comprise in the implication of equal value with the scope of claim to be protected and scope further all repaiies Change.

Such as, although having been illustrated with in the above-described embodiment to be applied to peace according to the motor drive of the present invention The example of the motor driving part being contained in vehicle, but the invention is not restricted to this.Motor drive according to the present invention Apply also for the general motor drive in addition to the motor driving part being arranged in vehicle.

Although have been illustrated with in the above-described embodiment the first housing section being coupled to each other, the second housing section, the 3rd Except motor, winding switching part and inverter (electricity in housing section and the 4th housing section (four (multiple) housing section) Power converter section) outside also accommodate the example of control portion and power supply unit, but the invention is not restricted to this.According to the present invention, Need only to the motor to major general's motor, winding switching part, power conversion unit, control portion and power supply unit, winding Switching part and power conversion unit are contained in the multiple housing section being coupled to each other.In such a case, it is possible to major general horse Reach, winding switching part and power conversion unit are contained in two or three housing section being coupled to each other or be coupled to each other five Or in more housing section.

Although having been illustrated with arranging receiving in the above-described embodiment to be configured to motor is electrically connected to winding switching The example of the 4th housing section of the connection portion of terminal of portion and inverter (power conversion unit), but the invention is not restricted to This.According to the present invention it is possible to be not provided with the 4th housing section, but can be only by the first housing section, the second housing section It is coupled to each other with the 3rd housing section.

Although have been illustrated with in the above-described embodiment by motor holding with accommodate winding switching part and inverter Example in the single housing portion that (power conversion unit) is different, but the invention is not restricted to this.According to the present invention, example As, motor and winding switching part may be accommodated in same housing section, and power conversion unit may be accommodated in Accommodate in the housing section that motor is different with the housing section of winding switching part.Alternatively, motor and power conversion unit can be by It is contained in same housing section, and winding switching part may be accommodated in and the housing accommodating motor and power conversion unit In the housing section that portion is different.

Although having been illustrated with being contained in winding switching part and inverter (power conversion unit) at above-mentioned embodiment Example in second housing section, but the invention is not restricted to this.According to the present invention, winding switching part and power conversion unit In one may be accommodated in the second housing section, and another in winding switching part and power conversion unit can be by It is contained in the housing section different from the second housing section.

Although the first cooling tube having been illustrated with in the above-described embodiment using liquid coolant to flow into and second cold But pipe is respectively as the first cooling end according to the present invention and the example of the second cooling end, but the invention is not restricted to this. According to the present invention it is possible to use other cooling ways (such as air cooling, cooling element etc.) outside liquid cooling As the first cooling end and the second cooling end.

Although (electric power turns to have been illustrated with will be configured to cooling down winding switching part and inverter in the above-described embodiment Change portion) the first end of the second cooling tube (the second cooling end) and be configured to cool down first cooling tube (the of motor One cooling end) the second end be connected to example each other, but the invention is not restricted to this.According to the present invention, first Cooling end and the second cooling end can be not attached to each other, but motor can be cooled down independently by the first cooling end, and Winding switching part and power conversion unit can be cooled down independently by the second cooling end.

Although have been illustrated with in the above-described embodiment the bearing of trend of the rotary shaft along motor by the first housing section, The example that second housing section, the 3rd housing section and the 4th housing section are coupled to each other, but the invention is not restricted to this.Such as, According to the present invention it is possible to along the direction orthogonal with the bearing of trend of the rotary shaft of motor by the first housing section, the second shell Body, the 3rd housing section and the 4th housing section are coupled to each other.

Although having been illustrated with the first housing section, the 4th housing section, the second housing section and in the above-described embodiment The example of the cylindrical shape that the bearing of trend of each rotary shaft being formed along motor in three housings extends, but The invention is not restricted to this.According to the present invention it is possible to by the first housing section, the 4th housing section, the second housing section and the 3rd Housing is each formed as the shape (such as box-shaped) different from cylindrical shape.

Although having been illustrated with in the above-described embodiment using by the containment member that fluid sealant is dried formation As seal part that the first housing section, the 4th housing section, the second housing section and the 3rd housing section be coupled to each other, the 3rd The example of the containment member of the part between part and the 4th housing section and the second lid between housing section and the first lid, But the invention is not restricted to this.According to the present invention it is possible to use O, pad, oils and fats etc. as described sealing Component.

Additionally, according to the present invention it is possible in the first housing section, the 4th housing section, the second housing section and the 3rd housing phase Heat insulation component is set at the part being mutually coupled with.According to this setting, can by the first housing section, the 4th housing section, The part thermal release each other that two housing section and the 3rd housing are coupled to each other, therefore can further enhance the first housing section, Cooling effect when 4th housing section, the second housing section and the 3rd housing are individually cooled down.

Although having been illustrated with in the above-described embodiment making inverter (power conversion unit) by SiC semiconductor The high speed winding switch of switch element and winding switching part and the example of low speed winding switch (switch element), but this Invention is not limited to this.According to the present invention, the switch element of power conversion unit and winding switching part partly can be led by with SiC Quasiconductor (such as Si quasiconductor) or the material in addition to quasiconductor that body is different are made.

Although have been illustrated with in the above-described embodiment utilizing soket head cap screw (fastening member) by the first housing section, Second housing section, the 3rd housing section and the 4th housing section are fastened to the example being coupled to each other each other and by them, but this Invention is not limited to this.According to the present invention, the first housing section, the second housing section, the 3rd housing section and the 4th housing section can To utilize the fastening member (such as riveting component etc.) different from soket head cap screw to be fastened to be coupled to each other each other.Separately Selection of land, according to the present invention, the first housing section, the second housing section, the 3rd housing section and the 4th housing section can not use Fastening member and be coupled to each other.Such as, the first housing section, the second housing section, the 3rd housing section and the 4th housing section can To be soldered to be coupled to each other each other, or adhesives can be utilized to being coupled to each other each other.

Claims (22)

1. a motor drive (10), this motor drive includes:

Motor (3) including high-speed driving winding (3a) and driven at low speed winding (3b)；

Switch the winding switching of the described high-speed driving winding of described motor and the connection status of described driven at low speed winding Portion (4)；

It is connected to the power conversion unit (1) of described motor；And

At least accommodate described motor, described winding switching part and multiple housing section of described power conversion unit (11,12,13,14), wherein,

The plurality of housing section is coupled to each other, and the plurality of housing section includes the first housing accommodating described motor (3) Portion (11) and accommodate described winding switching part (4) and second housing section (12) of described power conversion unit (1),

Described second housing section (12) is provided with the first partition wall (122), and this first partition wall (122) is by described Winding switching part (4) and described power conversion unit (1) are isolated from each other.

Motor drive the most according to claim 1, wherein,

It is contrary with described motor that described power conversion unit is arranged in described first partition wall about described second housing section Region in, and

Described winding switching part is arranged in described first partition wall about described second housing section and changes with described electric power In the region that portion is contrary.

Motor drive the most according to claim 2, wherein, described first partition wall is provided with the first hole (122a), this first hole allows connection to the distribution of described winding switching part and described power conversion unit and passes.

Motor drive the most according to any one of claim 1 to 3, wherein, described first housing section It is respectively arranged with described second housing section and is configured to cool down first cooling end (113) of described motor and is constructed Become to cool down described winding switching part and second cooling end (123) of described power conversion unit.

Motor drive the most according to claim 4, wherein,

Described winding switching part and described power conversion unit include switch element (Q1, Q2, Q3, Q4, Q5, Q6, SW1 and SW2), and

Described second cooling end is arranged to overlapping with described switch element.

Motor drive the most according to claim 1, it is described that this motor drive farther includes control The control portion (5) of winding switching part and described power conversion unit, wherein,

In addition to described motor, described winding switching part and described power conversion unit, described control portion is also accommodated in In the plurality of housing section.

Motor drive the most according to claim 6, wherein,

Described winding switching part and described power conversion unit include switch element,

Described motor drive farther includes power supply unit (6), and this power supply unit supply is in order to operate described switch element Electric power, wherein,

In addition to described motor, described winding switching part, described power conversion unit and described control portion, described power supply Portion is also accommodated in the plurality of housing section.

Motor drive the most according to claim 7, wherein, the plurality of housing section includes that receiving is described Control portion and the 3rd housing section (13) of described power supply unit.

Motor drive the most according to claim 8, wherein,

Described 3rd housing section is provided with the second partition wall being isolated from each other in described control portion and described power supply unit (132),

Described control portion is arranged in described second partition wall about described 3rd housing section and described motor, described winding In switching part and the contrary region of described power conversion unit, and

It is contrary with described control portion that described power supply unit is arranged in described second partition wall about described 3rd housing section In region.

Motor drive the most according to claim 9, wherein, described second partition wall is provided with the second hole (132a), this second hole allows connection to the distribution of described control portion and described power supply unit and passes.

11. according to the motor drive described in claim 9 or 10, and this motor drive farther includes to make It is input to the smoothing capacity device (2) that the electric power of described power conversion unit is smooth, wherein,

Described smoothing capacity device is arranged in described second partition wall about described 3rd housing section and exists with described control portion In the region of the same side.

12. motor drives according to claim 1, wherein,

Described winding switching part and described power conversion unit include switch element,

Described motor drive farther includes:

Control the control portion of described winding switching part and described power conversion unit；And

Power supply unit, this power supply unit supply is in order to operate the electric power of described switch element；Wherein,

The plurality of housing section includes accommodating the first housing section of described motor, accommodating described winding switching part and described electricity Second housing section of power converter section and accommodate the 3rd housing section of described control portion and described power supply unit；And

Described first housing section, described second housing section and described 3rd housing section are along the rotary shaft (31) of described motor Bearing of trend be coupled to each other.

13. motor drives according to claim 12, wherein, described first housing section, described second Housing section and described 3rd housing section are all formed as the circle that the bearing of trend of the described rotary shaft along described motor extends Cylindrical form.

14. according to the motor drive described in claim 12 or 13, wherein, in described 3rd housing section with described The first lid (15) sealing described 3rd housing section it is provided with in first housing section and the contrary side of described second housing section.

15. motor drives according to claim 12, wherein,

The plurality of housing section farther includes the 4th housing section (14), and the 4th housing section accommodates and connects portion of terminal (61,65,68,69), described connection portion of terminal is configured to be electrically connected to described motor described winding switching part and institute State power conversion unit, and

Described first housing section, described 4th housing section, described second housing section and described 3rd housing section are described Four housing section are disposed under the state between described first housing section and described second housing section along described motor The bearing of trend of described rotary shaft is coupled to each other.

16. motor drives according to claim 15, wherein,

It is provided with opening at the part corresponding with described connection portion of terminal of the side surface of described 4th housing section (141c, 141d)；And

The second lid (16) to be opened/closed covering described opening it is provided with in described 4th housing section.

17. motor drives according to claim 1, wherein, the most the plurality of housing section is coupled to each other Part utilize sealing (50) to seal.

18. motor drives according to claim 17, wherein,

Described winding switching part and described power conversion unit include switch element；

Described motor drive farther includes:

Control the control portion of described winding switching part and described power conversion unit；And

Power supply unit, this power supply unit supply is in order to operate the electric power of described switch element, wherein,

The plurality of housing section includes accommodating the first housing section of described motor, accommodating described winding switching part and described electricity Second housing section of power converter section, accommodate described control portion and the 3rd housing section of described power supply unit and receiving is configured to Described motor is electrically connected to the 4th housing section of the connection portion of terminal of described winding switching part and described power conversion unit,

The side contrary with described first housing section and described second housing section of described 3rd housing section is provided with Seal the first lid of described 3rd housing section,

It is provided with opening at the part corresponding with described connection portion of terminal of the side surface of described 4th housing section,

The second lid to be opened/closed covering described opening it is provided with in described 4th housing section, and

Except described first housing section, described second housing section, described 3rd housing section and described 4th housing section are mutual Outside the part coupled, the part between described 3rd housing section and described first lid and described 4th housing section and institute State the part between the second lid and also utilize described both seals.

19. motor drives according to claim 1, wherein,

Described winding switching part and described power conversion unit include switch element；And

Described switch element is made up of SiC semiconductor.

20. motor drives according to claim 1, wherein,

Described power conversion unit includes the inverter (1) of converting direct-current power into alternating-current power.

21. motor drives according to claim 1, wherein,

The plurality of housing section utilizes fastening member (41,42,43) to be fastened to be coupled to each other each other.

22. 1 kinds of vehicles (100), this vehicle includes:

Automobile body part (101)；And

The motor driving part (10) being arranged in described automobile body part, wherein,

Described motor driving part includes:

Motor (3) including high-speed driving winding (3a) and driven at low speed winding (3b)；

Switch the winding switching of the described high-speed driving winding of described motor and the connection status of described driven at low speed winding Portion (4)；

It is connected to the power conversion unit (1) of described motor；And

At least accommodate described motor, described winding switching part and multiple housing section of described power conversion unit (11,12,13,14), and

The plurality of housing section is coupled to each other, and the plurality of housing section includes the first housing accommodating described motor (3) Portion (11) and accommodate described winding switching part (4) and second housing section (12) of described power conversion unit (1),

Described second housing section (12) is provided with the first partition wall (122), and this first partition wall (122) is by described Winding switching part (4) and described power conversion unit (1) are isolated from each other.