CN102769226B - For the Overmolded polymer connector assembly of the laminar high current intensity of plug-in hybrid electric vehicle charging - Google Patents

For the Overmolded polymer connector assembly of the laminar high current intensity of plug-in hybrid electric vehicle charging Download PDF

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Publication number
CN102769226B
CN102769226B CN201210125082.3A CN201210125082A CN102769226B CN 102769226 B CN102769226 B CN 102769226B CN 201210125082 A CN201210125082 A CN 201210125082A CN 102769226 B CN102769226 B CN 102769226B
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CN
China
Prior art keywords
connector
outconnector
electric connector
potting compound
molded part
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CN201210125082.3A
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CN102769226A (en
Inventor
达米安·T·西博尔德
布朗·史密斯
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General Cable Technologies Corp
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General Cable Technologies Corp
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Priority claimed from US13/211,867 external-priority patent/US8562365B2/en
Priority claimed from US29/408,312 external-priority patent/USD675989S1/en
Priority claimed from US13/328,150 external-priority patent/US8568155B2/en
Application filed by General Cable Technologies Corp filed Critical General Cable Technologies Corp
Priority to CN201410386509.4A priority Critical patent/CN104283050B/en
Publication of CN102769226A publication Critical patent/CN102769226A/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5227—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases with evacuation of penetrating liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6275—Latching arms not integral with the housing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Abstract

The invention provides a kind of electric connector for motor vehicle, described electric connector comprises: connector body; Multiple connector inserting pins in described connector body; And breech lock, described breech lock is arranged in the latched areas on described connector body, so that described electric connector is held in described motor vehicle; Wherein, described connector body has the multiple holes allowing the water entering described latched areas to leave described latched areas.The present invention also provides a kind of manufacture for the method for the electric connector of motor vehicle.

Description

For the Overmolded polymer connector assembly of the laminar high current intensity of plug-in hybrid electric vehicle charging
The cross reference of related application
The application is submission on August 17th, 2011, current unsettled U.S. Patent application No.13/211, the part continuity application of 867, wherein U.S. Patent application No.13/211,867 require the U.S. Provisional Patent Application No.61/430 that on January 6th, 2011 submits to, the U.S. Provisional Patent Application No.61/482 that on May 4th, 456 and 2011 submits to, the rights and interests of 459.The application is also the US Design Patent application No.29/382 submitted on December 30th, 2010, the US Design Patent application No.29/408 that on December 9th, 230 and 2011 submits to, the part continuity application of 312, the application of above two pieces design patent is all unsettled.The disclosure of application cited above is all incorporated to the application at this by reference.
Technical field
The present invention relates to for the electric connector to electric vehicle power supply, relate more specifically to this connector had the water proofing property of the improvement of the water in environment and the ease for operation of improvement.
Background technology
Motor vehicle is just receiving increasing concern.These motor vehicles comprise plug-in hybrid vehicle such as Chevrolet volt (Chevrolet Volt), and pure electric vehicle such as Nissan listens wind (Nissan Leaf).
In North America, by Automotive Engineering Society (SAE) standard SAE J1772, standardization is carried out to the electric connector recharged for electric vehicle battery.Other application, such as fork lifter and industrial equipment, also can adopt this standard.
According to this standard, connector front portion has standardized shape and is in five pins of standardized layout, makes all connectors can be applicable to all motor vehicles.Described five pins are two AC power pins, a grounding pin, a proximity test pin and a control pin.About the remainder of connector, the manufacturer of each connector can be by oneself.Usually, between charge period, known connector uses spring breech lock that connector is fixed to vehicle.
Because this connector generally uses out of doors, thus environmental factor must be considered, such as water.Such as, water can enter spring bolt lockwork and cause erosion or other deteriorations.Use rubber seal to protect spring breech lock to prevent the usual method of this degeneration.But seal can lose efficacy.
Also exist and use the problem of connector at night, when ride-on vehicles person may not suitably see, and exist when connector is by fully and when suitably inserting, allow the problem that the person of riding in an automobile knows.
In addition, known connector is usually made with multiple parts.Therefore, connector manufactures very expensive, and is easily out of order.
So far, available in motor vehicle (EV) market space at present all solutions are by by anti-dismounted securing member such as Torx tMthe two halves (or clamshell style parts) that screw is mechanically assembled construct.Past or current SAE J1772, the connector mechanically assembled allows water to enter Handleset at present, result in the chance retaining ice and chip.In addition, clamshell style parts are at handle place and increase outward appearance on the whole, and this has been subject to resist the additional machinery feature needed for vehicle rollover and collision demand, as described in UL2251.These existing apparatus are suitable for garage and indoor application.When used outdoors, these clamshell type design can show shorter life cycle because of the exposure of element.
Summary of the invention
Therefore, target of the present invention solves above item deeply concerned.
Another target of the present invention is to provide low cost, attractive, ergonomics and adaptable solution.
For realizing above and other target, the present invention is directed to the connector of at least one proposing to have in following characteristics.
Spring breech lock is not sealing, and on the contrary, connector body has the hole that the water allowing to enter spring bolt latch mechanism harmlessly discharges connector.The LED or the other light sources that face front portion are used as photoflash lamp.Once connector is connected, faces anterior LED and turn off, and face the LED of afterbody or other light sources is opened, to confirm that connector is connected and can charges to vehicle.
Connector is by Overmolded and produced.Such as, connector can be manufactured into three layers of configuration of Embedding Material, pre-molded part and integral type over-molded members.Every one deck can be formed by the different materials of the attribute required for layer providing layer position in the connectors.Modularized design allows the foundation of product renewing and the common platform for product diversification faster.
Above feature can combine in any way.
The SAE J1772 connector and cable assembling scheme that EV (motor vehicle) market space (such as Original Equipment Manufacturer (OEM) and electric vehicle power supply equipment (EVSE) manufacturer) is durable and integral type is Overmolded is available to by problem solved by the invention, this scheme reduces the life cycle cost of product and improve the reliability of product, and decreasing and mechanical caging characteristic sum hardware (such as Torx tMscrew) relevant destructiveness and interfering risk.This Overmolded solution provides the protection that reply can comprise the outstanding environment aspect of the extreme environment key element of water, ice, dirt, ultraviolet, oil and automotive fluid.
Accompanying drawing explanation
With reference to accompanying drawing, preferred implementation is described in detail, wherein:
Fig. 1 to Fig. 8 illustrates according to the connector of preferred implementation and the difference of different parts thereof;
Fig. 9 A to Figure 21 is the diagram of the production stage of the connector that Fig. 1 to Fig. 8 is shown; And
Figure 22 A to Figure 22 D is the diagram of the connector of modification according to preferred implementation.
Embodiment
Be described in detail preferred implementation with reference to accompanying drawing, wherein, identical Reference numeral represents identical element all the time.
Go out as shown in Figures 1 to 8, comprise the connector forepiece 102 with multiple pin 104,106,108,110,112 according to connector 100 preferred embodiment.In a preferred embodiment, connector forepiece 102 and pin 104-112 follow standard SAE J1772.Pin 104-112 is being electrically connected to cable 114 by embedding portion 116 in the position of connector forepiece 102 inner sealing.Connector body 118 is formed on connector forepiece 102 and cable 114 by pre-molded part 120 and over-molded members 122.Pre-molded part 120 and over-molded members 122 are formed with spine 124, spine 126, and to increase the intensity of connector body 118, connector body has latched areas 128, and latched areas 128 is provided with the spring breech lock 130 with pin 132 and spring 134.
One LED can be set or other luminous elements 136 are used as photoflash lamp, make user can use connector when night illumination deficiency.2nd LED or other luminous element 138 can be arranged on back, and to send instruction when obtaining suitable electrical connection between connector and vehicle, meanwhile, a LED turns off.Circuit 140, printed circuit as will be described below (PC) plate, is arranged for the control of LED.
Latched areas 128 does not need to be sealed with waterproof.On the contrary, the water passing hole 142 entering latched areas 128 is left.As shown, latched areas 128 either side is respectively provided with hole 142,142, three, three holes extend through over-molded members 122 and enter latched areas 128.Hole 142 is opened wide to latched areas 128 at lower surface 144 place of latched areas 128, makes the place that will do not make water gather.But, replace shown in hole or except the hole illustrated, the hole of any applicable quantity and configuration can be used.
Such as, when using rainy when, the rainwater appeared on connector 100 passes through to enter latched areas 128 at spring breech lock 130 ambient dynamic.Water passing hole 142 leaves latched areas 128, instead of accumulates in latched areas 128.As already pointed out, hole 142 is located relative to the lower surface 144 of latched areas 128, makes all water discharge latched areas 128 instead of forms ponding 142 times in hole.
Hole 142 is depicted as and flatly extends, so that Overmolded.The protuberance corresponding to hole 142 can be had in the left side of the mould of Overmolded middle use and right-hand side assembly, and therefore form hole 142.After Overmolded operation, left behind in the horizontal direction in left side and right-hand side assembly, the hole 142 formed so that therefore protuberance is pulled out.But the configuration in hole 142 can change according to different manufacturing technologies.Such as, in different manufacturing technologies, hole 142 can be downward-sloping or even extend straight down from latched areas 128 from latched areas 128.In addition, hole 142 can such as be formed by holing in any other suitable.
Other configurations are also had to be possible.Such as, latched areas 128 can have smooth or protuberance with the lower surface 144 promoting water passing hole 142 to discharge.Equally, although hole 142 is depicted as microscler, they also can have any suitable shape, such as, circular.
Preferred embodiment provide the SAE J1772 connector assembly of Overmolded, durable, firm high current intensity.The SAE J1772 connector of 10 amperes to 90 amperes that production is preferred embodiment molded as a plug is for starting, as illustrated with 146 at Fig. 9 A and 9B, this connector is made up of following makrolon material: this makrolon material electrical characteristics with have in physical impact characteristic and strength characteristics UL94V-0 flame retardant rating, environment (f1) ultraviolet grade and equal or exceed 100 relative heat number (RTI), as standard UL 2251 defined.
SAE J1772 connector body structure 146 designs for rigid body, and the mechanical features that this rigid body design makes promotion be cross-linked to adhere to and/or can realize mechanical bond and mechanical caging feature are combined with pre-molded part 120 and over-molded members 122.These mechanical featuress can comprise circulation passage, the hole run through, protruding joggle portion or crestal line.
It is 353 that connector body comprises five hardness 1/ 2brass contact 104,106,108,110,112, as described above, these contacts can be silver-plated or gold-plated.Two power contact heads 104,112 being of a size of 8 are combined with the internal helicoid spring 148 of high current intensity and the low insertion force be wound around with ellipticity, so that can high current intensity be realized, thus the hypertherm meeting reduced because micro-arc discharge produces, and provide the other chance of success of the reverse compatibility for the vehicle plug produced by other manufacturers (IAW SAE J 1772).The helical spring 148 of these inside also contributes to adapting to the natural tendency that technique changed along with the time.Spring 148 can be configured to the spring of multiple toroidal, as the U.S. Patent No. 4,810 such as at Chabot, shown in 213, its disclosure is all combined in this disclosure by reference at this.
The SAE J1772 connector body 146 of inserted mode system is also combined with fire-retardant (FR) UL certification closed type sealing gasket 150, on a mating to contribute to preventing from corrosive gas such as carbon dioxide, sulfur dioxide and hydrogen sulfide the erosion of contact.
Afterwards, connector body 146 be assembled to by welding operation illustrate separately in Fig. 10, FFSO UL certification cable 114, to adapt to the circuit diagram as specified in SAE J1772, as shown in Figure 11.The welding contact of the SAE J1772 of insert molding standard allows the cable retention of lifting Overall Group piece installing and reduces the chance of micro-arc discharge and filoselle, and wherein, micro-arc discharge and filoselle can cause the risk of short circuit and earth fault, shorten the life cycle of product.In addition, the contact of welding provides additional degree of protection, to stop in the hygroscopic wicking at contact place exposed and capillary effect.Water and moisture absorb or wicking accelerates the corrosion of copper and shortens the life cycle of product, and this can cause the more high current intensity absorbed from branch circuit, thus cause that the overheated and client's of connector is discontented.
The sensitive switch sub-component 152 of environmental sealing is soldered to the PC plate 154 of FR-4PC UL certification, this PC plate 154 is combined with the resistor 156 of 150 ohm 1/2 watt and the resistor 158 of 300 ohm 1/2 watt, so that above-mentioned circuit 140 is embodied as microswitch component.Shown in Figure 13 A and Figure 13 B be 164 insulating cell be then added into sensitive switch sub-component 140 and assembledly put in place, as shown in figure 14.This insulating cell is made up of following molded polymer: this molded polymer have in electrical characteristics, physical impact characteristic and strength characteristics by the flame retardant rating of UL94V-1 certification, the ultraviolet grade of environment (f1) and equal or exceed 90 relative heat number (RTI), as standard UL-2251 defined.By by two unsettled lead-in wires (close to and ground connection) 160,162 be soldered to close to and the contact 106,108 of ground connection, assembly 152 and plate 154 are attached to connector body 146, as shown in Figure 15, make it possible to realize the DC pulse signal by SAEJ1772 standard-required.This PC plate 154 also provides silvery path and arranges (silver path provisions) to combine for the LED signal of charging and photoflash lamp needs, and this charging and photoflash lamp can pass through EVSE (electric vehicle power supply equipment) and activate or need.
When welding operation completes, connector body 146, PC board component 154 and cable 114 by bi-component potting compound 166 (two-part potting compound) with for the mode of environment and the embedding of non-conducting ground, to form embedding portion 116, as shown in Figure 16 A and Figure 16 B, wherein, bi-component potting compound 166 electrical characteristics with there is in physical impact characteristic and strength characteristics the flame retardant rating of UL94HB or V-0 and equal or exceed the relative heat number (RTI) of 90, as standard UL-2251 defined.Then, this potting compound 166 is by parking or being cured by the help of the auxiliary manufacture of heat by a whole night.The conductor of EFSO electric motor car cable cover(ing), insulation and the connector of welding will be packed by this bi-component potting compound.
This potting compound 166 provides first order protection to stop wicking and the capillary effect of moisture absorption at the contact place exposed.As time goes on, copper stranded conductor can produce capillary effect, in capillary effect, moisture sucks copper stranded conductor by capillarity from the voltage contact area exposed, this accelerates the corrosion of copper and shortens the life cycle of product, and this can cause the more high current intensity that obtains from branch circuit, thus cause that overheated and client's is discontented.Potting compound 166 also provides dielectric property, thus assembly and the voltage in the gas loop between power contact head and ground are insulated further.This potting compound 166 is bases, and wherein, additional polymeric material is by the additional structure that is used in the design and support.
Bi-component, with the mode to environment and the mode embedding with dielectric, compound 166 solidification and degasification thus after forming embedding portion 116 completely completely, pre-molded part 120 then by be molded in comprise connector body 146, EFSO motor vehicle cable 114 and embedding contact sub-component on, as shown in Figure 17.Pre-molded part is have the flame retardant rating of UL94V-0 and equal or exceed high-impact polyamide (PA6 or the PA66) sill of relative heat number (RTI) of 100.Other engineering customizations compound can be used, the PETG (PET) of such as glass-filled, acrylonitrile-butadiene-styrene (ABS) (ABS), thermoplastic elastomer (TPE) (TPE), Thermoplastic Vulcanizate (TPV) or high impact resistance polypropylene (HIPP).Pre-molded part 120 encapsulates sub-component, thus provides " trunk " of structure and add performance and the dielectric property of extra relevant contexts for whole SAE J1772 molded connector component system.Pre-molded part 120 comprises the hole 168 in the hole 142 corresponding to finished product.
Pre-molded part structure has rigid body project organization, and this rigid body project organization comprises following mechanical features: described mechanical features promotes the crosslinked mechanical bond and the mechanical caging feature that adhere to and/or can realize outside " Overmolded epidermis " layer.These mechanical featuress can comprise circulation passage, protruding joggle portion or the recess of crestal line or decline and the T-shaped passage of circulation.
As being used for user's contact-making surface of whole SAEJ1772 molded connector component system, impact energy absorb, wear-resistant, fluid-resistant and petrol-resistance and overall ultraviolet (UV) protection with 122 over-molded members shown in Figure 18 or epidermis.The over-molded members material of SAE J1772 connector assembly has UL94HB or V-1 flame retardant rating and equals or exceeds the relative heat number (RTI) of 90 in electrical characteristics, physical impact characteristic and strength characteristics, as by UL-2251 defined.Also alternative thermosets can be added, such as EPT (ethylene propylene terpolymer), EPDM (ethylene propylene diene rubber) and silicones or liquid silicone injection, to adapt to physics and the performance requirement of external skins.
Once system is fully molded, be attached the latch arms 130 be made up of polymeric material such as Merlon, this Merlon has the flame retardant rating of UL94V-0, (fl) ultraviolet radiation grade of environment in electrical characteristics, physical impact characteristic and strength characteristics, and equal or exceed the relatively hot grade (RTI) of 100, as by UL-2251 defined.This latch arms is attached by means of pin that is molded or stainless steel (300 series).This breech lock provides mechanical caging for SAE J1772 vehicle plug, and before starting to charge and charging complete time activate the mechanical lever of sensitive switch sub-component.The step of attachment latch arms comprises: late spring 134 is inserted latched areas 128, as shown in Figure 19; Above spring 134, latch wall 130 is inserted latched areas 128, as shown in Figure 20; And insert latch pin 132, as shown in Figure 21.
In addition, market only provides 30AMP and 75AMP certified component at present, these assembly great majority are managed by cable and contact size.The design that technology applied in a preferred embodiment allows the cable assembly of higher rated current (more high current intensity) to can be used in any direct current quick charge demand will keep competitiveness in future.
Preferred embodiment provide the firm and durable Overmolded connector assembly of SAE J1772; macromolecule matrix and the Overmolded Aggregation Table leather block of that this connector assembly makes dielectric and relevant with environment potting compound and one close, to provide the protection from extreme and harsh environmental conditions.Preferred embodiment combine the integral type PC plate of Overmolded integral type polymerization (lamination) method and band sensitive switch and the required part of LED for charge indicator and photoflash lamp.This solution reduces the life cycle cost of product, improves product reliability, and reduces and mechanical caging characteristic sum hardware (such as Torx tMscrew) relevant destructiveness and interfering risk.This Overmolded solution provides not by the fat city defencive function of extreme environment elements affect, and wherein, described extreme environment key element may comprise water, ice, dirt, ultraviolet, oil and auto lubrication wet goods.
Preferred embodiment or any other execution mode can be modified to adapt to AC charging and fast-speed direct current charging, and allow user to select to use which kind of charge mode.Figure 22 A shows by the front view of the connector 2200 so revised.Figure 22 B show connector, along the sectional view of the line XXIIA-XXIIA in Figure 22 A.Figure 22 C and Figure 22 D respectively illustrates end view and vertical view.Except following aspect, the construction of connector 2200 was similar to previous disclosed connector 100 with use: except connector forepiece 102 and pin 104-112, connector 2200 also has two other pins 2202,2204, and pin 2202,2204 is connected to guide portion 2206 and is enclosed in the second connector forepiece 2208.Any suitable switch can be provided to select between AC charging and fast-speed direct current are charged to allow user.
Although be described above preferred embodiment, the those skilled in the art that have studied present disclosure will easily understand: other the execution mode that can realize within the scope of the invention.Such as: any applicable bolt lock mechanism can be used, and any applicable material can be used.And, that connector can be applicable to any standard or proprietary design.Therefore, the present invention should be interpreted as only limiting by appended claims call.

Claims (20)

1., for an electric connector for motor vehicle, described electric connector comprises:
Connector body;
Multiple connector inserting pins in described connector body; And
Breech lock, described breech lock is arranged in the latched areas on described connector body, so that described electric connector is held in described motor vehicle;
Wherein, described connector body by Overmolded and formed and there are the multiple holes allowing the water entering described latched areas to leave described latched areas.
2. electric connector according to claim 1, also comprises the lamp being adjacent to described multiple connector inserting pin.
3. electric connector according to claim 2, is also included in the second lamp in a part contrary with described connector inserting pin for described connector body.
4. electric connector according to claim 1, wherein, described connector body comprises:
Potting compound;
Be formed in the pre-molded part on described potting compound; And
The outconnector body on described pre-molded part is formed in single piece.
5. electric connector according to claim 4, wherein, described potting compound comprises bi-component dielectric potting compound.
6. electric connector according to claim 5, wherein, described pre-molded part comprises the material being selected from the group be made up of following material: the PETG of polyamide based material, glass-filled, acrylonitrile-butadiene-styrene (ABS), thermoplastic elastomer (TPE), Thermoplastic Vulcanizate and polypropylene.
7. electric connector according to claim 6, wherein, described outconnector body comprises the material being selected from the group be made up of following material: ethylene propylene terpolymer, ethylene propylene diene rubber and silicones or liquid silicone injection.
8. electric connector according to claim 4, wherein, described pre-molded part be formed as providing with in the crosslinked adhesion of described outconnector body, mechanical bond and mechanical caging at least one of them.
9. electric connector according to claim 1, wherein, described multiple connector inserting pin comprises first group of connector inserting pin for the first charge mode and second group of connector inserting pin for the second charge mode.
10. electric connector according to claim 9, wherein, described first charge mode is AC charging pattern, and described second charge mode is DC charging pattern.
11. 1 kinds of methods for the manufacture of the electric connector for motor vehicle, described method comprises:
A () provides charging cable and has the connector body of at least one connector inserting pin;
B () provides the electrical connection between described charging cable and at least one connector inserting pin described;
C () applies potting compound in the part adjacent to described connector body of described connector body and described charging cable;
D () applies pre-molded part in the part adjacent to described connector body of described potting compound, described connector body and described charging cable, and
(e) with the form of single-piece Overmolded outconnector body on described pre-molded part, to form described connector,
Wherein, described outconnector body has the breech lock be formed in described outconnector body, and described outconnector body has the multiple holes for allowing the water entering described latched areas to leave described latched areas.
12. methods according to claim 11, the control operation also comprised for described connector provides circuit, and step (C) is included on described circuit and applies described potting compound.
13. methods according to claim 11, wherein, described potting compound comprises bi-component dielectric potting compound.
14. methods according to claim 13, wherein, described pre-molded part comprises the material being selected from the group be made up of following material: the PETG of polyamide based material, glass-filled, acrylonitrile-butadiene-styrene (ABS), thermoplastic elastomer (TPE), Thermoplastic Vulcanizate and polypropylene.
15. methods according to claim 14, wherein, described outconnector body comprises the material being selected from the group be made up of following material: ethylene propylene terpolymer, ethylene propylene diene rubber and silicones or liquid silicone injection.
16. methods according to claim 11, wherein, described pre-molded part be formed as providing with in the crosslinked adhesion of described outconnector body, mechanical bond and mechanical caging at least one of them.
17. methods according to claim 11, also comprise and breech lock are attached to described connector, to be latched on described vehicle by described connector.
18. methods according to claim 11, wherein, step (e) comprises Overmolded described outconnector body, has multiple hole to make described outconnector body.
19. methods according to claim 11, wherein, step (a) comprises first group of connector inserting pin being provided for the first charge mode and second group of connector inserting pin for the second charge mode.
20. methods according to claim 19, wherein, described first charge mode is AC charging pattern, and described second charge mode is DC charging pattern.
CN201210125082.3A 2011-05-04 2012-04-25 For the Overmolded polymer connector assembly of the laminar high current intensity of plug-in hybrid electric vehicle charging Active CN102769226B (en)

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US29/408,312 USD675989S1 (en) 2010-12-30 2011-12-09 Electrical connector
US13/328,150 US8568155B2 (en) 2010-12-30 2011-12-16 Laminous multi-polymeric high amperage over-molded connector assembly for plug-in hybrid electric vehicle charging
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