CN103427598A - Inverter sealed with sealing elements for environmental-friendly vehicle - Google Patents
Inverter sealed with sealing elements for environmental-friendly vehicle Download PDFInfo
- Publication number
- CN103427598A CN103427598A CN201310181195XA CN201310181195A CN103427598A CN 103427598 A CN103427598 A CN 103427598A CN 201310181195X A CN201310181195X A CN 201310181195XA CN 201310181195 A CN201310181195 A CN 201310181195A CN 103427598 A CN103427598 A CN 103427598A
- Authority
- CN
- China
- Prior art keywords
- airtight
- connector
- frequency converter
- friendly vehicle
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 239000000203 mixture Substances 0.000 claims description 11
- 239000013536 elastomeric material Substances 0.000 claims description 6
- 229920003051 synthetic elastomer Polymers 0.000 claims description 5
- 239000005061 synthetic rubber Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- TWDJIKFUVRYBJF-UHFFFAOYSA-N Cyanthoate Chemical compound CCOP(=O)(OCC)SCC(=O)NC(C)(C)C#N TWDJIKFUVRYBJF-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000000565 sealant Substances 0.000 abstract description 18
- 238000010276 construction Methods 0.000 description 6
- 208000034189 Sclerosis Diseases 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0239—Electronic boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0208—Interlock mechanisms; Means for avoiding unauthorised use or function, e.g. tamperproof
Abstract
The invention provides an inverter sealed with sealing elements for an environmental-friendly vehicle. The inverter sealed with sealing elements for the environmental-friendly vehicle implements air tightness among an outer casing, an outer cover and a connector of the inverter by connection surfaces for fixing a dismountable sealing elements among the outer casing, the outer cover and the connector of the inverter without using a sealant. In the inverter sealed with sealing elements for the environmental-friendly vehicle, the seal elements are respectively assembled between the outer casing (21) with the opening upper and the outer cover (22) covering the upper of the outer casing (21), and between the outer casing (21) and the connector (24) of a control panel (23) installed on the outer casing (21), thereby implementing the air tightness of the inverter.
Description
Technical field
The invention relates to the vehicle-mounted frequency converter of airtight environmentally friendly vehicle, refer to specifically without sealant, but will be removably airtight member be positioned on the composition surface between shell, outer cover and the connector that is installed on the frequency converter on environmentally friendly vehicle, thereby realize bubble-tight environmentally friendly vehicle use frequency converter between shell, outer cover and the connector of frequency converter with airtight member.
Background technology
The drive motor that produces actuating force and the battery of powering to described drive motor etc. are housed on the environmentally friendly vehicle such as hybrid vehicle, electric automobile.For example, hybrid vehicle 1 is as shown in Figure 1 produced and is driven the required power of hybrid vehicle by engine 11 or drive motor 12, possesses high-tension battery 13 for described drive motor 12 supply power supplys, for the A-battery 14 of electronic unit power supply and for the generator 15 of startup etc.On such hybrid vehicle, frequency converter 120 need to be arranged as by described high-tension battery 13, for the work of transformation of drive motor 12, providing the constituent element of suitable power source.Described frequency converter 120 conversion provide drive motor 12 work required voltage and current, and such frequency converter 120 is installed in engine room.
Yet engine room is not complete airtight space, but open space, bottom.During the rainy day when rainwater or carwash in high pressure car wash water or atmosphere dust all may enter frequency converter inside, therefore the electronic unit as frequency converter 120 and so on need to possess the air-tightness that prevents that moisture and dust from entering.
Described frequency converter 120 need to be between the outer cover of shell 121 and described shell 121 upper side of sealing 122 and do airtight processing between control board 123 connectors 124 at described shell 121 and outer cover 122 junction surfaces.
Accordingly, as shown in Figure 2, airtight with being loaded on after liquid sealant 130 on described shell 121 coating on every side of described control board 123 connectors, allow described control board 23 connectors 24 realize air-tightness in shell 121 and the junction of outer cover 122.
In addition, as shown in Figure 3, after coating under the state of sealant 130 in conjunction with described outer cover 122, allow described sealant 130 sclerosis around the upper side of described shell 121, to realize the air-tightness of frequency converter 120.
But, described sealant 130 is full-bodied liquid, not only the operation of application is difficult for, various electronic units also are equipped with in the inside of described shell 121, can not carry out high warm hardening, the liquid sealant 130 of smearing can only be placed at normal temperatures to several hours to realize sclerosis, production efficiency is not very high.
If the sealant 130 of sclerosis has defective situation to occur, can not again smear described sealant 130, whole frequency converter 120 can only be discarded.If described sealant 130 smear operation in defective situation appears, or adjusts for the inside that frequency converter 120 is arranged on to engine room the sealant 130 hardened in the process of position under false assembled state breakage likely occurs.At this moment, because the sealant 130 hardened is not easy to remove, whole frequency converter 120 be discarded, thereby cause the low problem of production efficiency.
In addition, as shown in Figures 4 and 5, power pin 124c and signal pin 124d insert molding on having, the connector 124 of described control board 123 are arranged on connector body 124a, the structure that connector cover 122 is concluded in the outside of described connector body 124a.Because described connector body 124a and connector cover 122 are integrally formed, should between the lateral surface of described connector cover 122 and shell 121 or outer cover 122, carry out airtightly, therefore there is airtight operation not allow easy-operating problem.
Existing Korean Patent technical literature KR20-0256213 Y1 patent in advance, about a kind of " hermetically-sealed construction of exhaust manifold ", record between sealant application cylinder head and exhaust manifold, and by its sclerosis, as our front was understood, use sealant to carrying out the technology of airtightization between the composition surface of cylinder head and exhaust manifold.
Summary of the invention
The present invention provides a kind of environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member in order to address the above problem, air-tightness between the connector of the shell that is installed on the frequency converter on environmentally friendly vehicle, outer cover, control board is without sealant, but the airtight member of the synthetic rubber material by other making carries out airtightization.
For realizing described purpose, according to the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member of the present invention, keeping airtight conditions and be installed on the frequency converter of environmentally friendly vehicle inside with outside, described frequency converter is characterized in that comprising the shell that top is open and covering the body seal formed by elastomeric material between the outer cover of described shell, for the composition surface that makes described shell and described outer cover forms air-tightness, compressed when described shell engages with described outer cover, thus can realize airtight by the composition surface of described shell and described outer cover.
The upper side of described shell, is characterized in that the body seal mounting groove forms around the upper end of described shell, to hold the sealing of described shell.
The bottom surface of described outer cover, be formed with the body seal mounting groove, to hold described body seal.
Described elastomeric material, be advisable with synthetic rubber.
Simultaneously, for described shell be installed on airtight between the connector of the control board on described shell, also comprise in a side of described shell the control board connector body that is installed on described enclosure, for holding described connector body, the connector sealing of assembling between the connector cover formed in a side of described shell.
Described connector sealing, being assembled into can be after the state of insertion around described connector body, and described connector body is inserted on described connector cover.
The lateral surface of described connector body is formed with the connector sealing mounting groove that described connector sealing can be installed around described connector body, in described connector sealing mounting groove, described connector to be installed, is sealed into suitable.
Described connector sealing, medial surface from described connector sealing mounting groove to described connector cover on described connector sealing mounting groove is outstanding airtight of the outside and the inboard airtight section of being formed with respectively, and the airtight section in the described outside is configured in the outside of the airtight section in described inboard on described connector sealing mounting groove.
Described shell consists of aluminum alloy material.
Described connector sealing is advisable with the synthetic rubber material.
The advantage that the present invention has is:
According to thering is the foundation environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member of the present invention of structure as mentioned above, adopted respectively between composition surface, control board connector and the shell of shell and outer cover and made and do not needed respectively the airtight member of other firm time, made the airtight operation of frequency converter become rapider.That is, deduct on composition surface application sealant, for a long time by the engineering of the hardening seal smeared, only depended on the airtight member of mounting casing sealing or connector sealing etc. just can realize the air-tightness of frequency converter.
In addition, if, when the problems such as mistake assembling of breakage, body seal of body seal occur, can readjust simply body seal on composition surface, or reinstall body seal after removing underproof body seal, thereby reduce the quantity of discarded parts.
The accompanying drawing explanation
Fig. 1 means the skeleton diagram of the composition of general hybrid vehicle;
Fig. 2 means the exploded perspective view of the airtight construction between shell and control board connector according to the environmentally friendly vehicle of prior art with frequency converter;
Fig. 3 means the exploded perspective view of the airtight construction between shell and outer cover according to the environmentally friendly vehicle of prior art with frequency converter;
Fig. 4 and Fig. 5 mean the oblique view of connector construction according to the environmentally friendly vehicle of prior art with frequency converter;
Fig. 6 utilizes the environmentally friendly vehicle frequency converter of the airtight processing of airtight member according to the present invention, for meaning airtight construction, decompose the exploded perspective view of shell, outer cover and the body seal of frequency converter;
Fig. 7 is the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member according to the present invention, for diagram body seal mounting groove means the shell sectional view in cross section on every side;
Fig. 8 utilizes the environmentally friendly vehicle of the airtight processing of airtight member to enlarge oblique view with the pith that means the connector cover in frequency converter according to the present invention;
Fig. 9 and Figure 10 are the environmentally friendly vehicle frequency converters that utilizes the airtight processing of airtight member according to the present invention, mean oblique view and the exploded perspective view of the airtight construction of connector;
Figure 11 utilizes the environmentally friendly vehicle of the airtight processing of airtight member with in frequency converter according to the present invention, mean that control board is incorporated into the oblique view of the state on shell;
Figure 12 is the waist sectional view that means mounted connector sealing state in connector sealing mounting groove in Figure 10.
In figure:
1: hybrid vehicle; 11: engine;
12: drive motor; 13: high-tension battery;
14: A-battery; 15: generator;
20: frequency converter; 21: shell;
21a: upper side; 21b: body seal mounting groove;
21c: connector cover; 22: outer cover;
23: control board; 24: connector;
24a: connector body; 24aa: connector sealing mounting groove;
24c: power pin; 24d: signal pin;
31: body seal; 32: the connector sealing;
32a: inboard airtight section; 32b: the airtight section in the outside;
120: frequency converter; 121: shell;
122: outer cover; 123: control board;
124: connector; 124a: connector body;
124b: connector cover; 124c: power pin;
124d: signal pin; 130: sealant.
Embodiment
Below in conjunction with accompanying drawing, the foundation environmentally friendly vehicle of the airtight processing of airtight member that utilizes of the present invention is described in detail with frequency converter.
According to the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member of the present invention, allowing airtight member in frequency converter 20---body seal is after between shell 21 and outer cover 22, described outer cover 22 is incorporated on shell 21, and the faying face between shell 21 and outer cover 22 forms airtight.
Shell 21 holds the various electronic units that form frequency converter 20 in inside.Described shell 21 tops are open state, utilize the open top of described shell 21, and various electronic units can be installed.
Described body seal 31 is that a member is connected to form, and should additionally be made into and fixedly assign between described shell 21 and described outer cover 22.
Described body seal 31, between shell 21 and outer cover 22, is comprised of elastomeric material, with the described shell 21 of box lunch and described outer cover 22 in conjunction with the time compressedly realize airtightly simultaneously, this elastomeric material is preferably synthetic rubber.
Therefore, when described shell 21 and outer cover 22 are concluded, described body seal 31 is compressed between described shell 21 upper side and body seal 31 bottom surfaces, can realize the airtight of described shell 21 and outer cover 22.
In addition, in order to allow described body seal 31 be fixed in upper side around described shell 21 and the bottom surface around described outer cover 22, form in the upper side around described shell 21 and the bottom surface around described outer cover 22 and can allow the fixing mounting groove of described body seal 31.
Although in Fig. 6, do not mean, in Fig. 7 in detail shown in, form the body seal mounting groove 21b with certain depth around shell 21 upper side 21a, so that described body seal 31 is inserted into and fixes.Described like this body seal mounting groove 21b, around described shell 21 upper side 21b, forms continuously with the form that can hold described body seal 31.
Simultaneously, can also allow described outer cover 22 bottom surface on every side also form the body seal mounting groove, make body seal 31 assign section in the inner.
Described body seal 31 makes it be assigned the body seal mounting groove 21b of bottom surfaces around upper side around shell 21 or outer cover 22 upper, makes it to break away from described body seal mounting groove 21b, thereby airtight defective situation does not occur.And described body seal 31 from utilize the airtight different of sealant 130 in prior art, have and do not need long hardening process, the advantage of again can be simply during operation from described shell 21 or described outer cover 22, separating and reinstalling or replace with new body seal 31.
In addition, airtight in described frequency converter 20 between described shell 21 and described outer cover 22, described shell 21 and being installed between the connector of interface between the electronic unit of described shell 21 inside, also need to carry out airtight.
For this reason, described connector 24 can be divided into, and is inserted in the connector cover 22 that forms described connector 24 outsides, is inserted in power pin 24c that described connector cover 22 electricity consumptions are connected with described control board 23 and the connector body 24a of fixed signal pin 24d.
That is, described connector cover 22 forms one with described shell 21 as shown in Figure 8, in order to insert described connector body 24a in a side of described shell 21.Described connector cover 22 is when manufacturing described shell 21, and the form to a side of described shell 21 with peristome forms, so that inside holds described connector body 24a.And described connector cover 21c extends to form with vertical direction at the lateral surface of described shell 21, so that the described connector body 24a outside of inserting towards the direction guiding that runs through described shell 21.
As shown in Figure 9, described connector body 24a is fixed in a side of described control board 23 to described connector body 24a, will and be that the signal pin 24d insert molding of input/output control signal is to inside for the power pin 24c of the CPU to described control board 23 power supply.
Now as shown in figure 10, around described connector body 24a, have can airtight described connector cover 22 medial surface and airtight member---the connector sealing 32 between the lateral surface of described connector cover 22, around described connector sealing 32 lateral surfaces along described connector body 24a, assigned.
In addition, as shown in figure 10, in order to allow described connector sealing 32 keep being inserted in the state of described connector body 24a lateral surface, around described connector body 24a, by certain degree of depth, form connector sealing mounting groove 24aa.Along with described connector sealing 32 is assigned in described connector sealing mounting groove 24aa, make when described connector body 24a is inserted to connector cover 21c and can not come off.
Described connector sealing 32 is formed by tartan, realize airtight between described connector body 24a and connector cover 21c, make described connector sealing 32 as shown in figure 11, compressed therebetween when described connector body 24a is inserted into connector cover 21c, with its reaction force, realize airtight.
Especially, described connector sealing 32 will be given prominence to from connector body 24a to connector cover 21c formation, but will be as shown in figure 12, by the outside of airtight of inboard 32a and airtight the 32a in described inboard airtight of the outside 32b formed that joins, forms dual airtight.
Claims (10)
1. utilize the environmentally friendly vehicle frequency converter of the airtight processing of airtight member, keep airtight conditions with outside and be installed on the frequency converter of environmentally friendly vehicle inside, it is characterized in that,
Described frequency converter comprises: the open shell and cover between the outer cover of described shell upper and have body seal on top, it is comprised of elastomeric material, when described shell and described outer cover engage, the compressed and composition surface air-tightness that realizes described shell and described outer cover is to realize the air-tightness on described shell and described outer cover composition surface.
2. the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member according to claim 1, is characterized in that,
The upper side of described shell has the body seal mounting groove, around the upper end of described shell, forms to hold described body seal.
3. the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member according to claim 1, is characterized in that,
The bottom surface of described outer cover is formed with the body seal mounting groove, to hold described body seal.
4. the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member according to claim 1, is characterized in that,
Described elastomeric material is comprised of synthetic rubber.
5. the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member according to claim 1, is characterized in that,
One side of described shell also comprises the control board connector body that is installed on described enclosure, in a side of described shell, is split into to hold the connector sealing of assembling between the connector cover of described connector body, to realize described shell and to be installed on the air-tightness between the connector of control board of described shell.
6. the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member according to claim 5, is characterized in that,
The sealing of described connector is along after being inserted into assembling around described connector body, and described connector body is inserted on described connector cover.
7. according to the described environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member of claim 5 or 6, it is characterized in that,
The lateral surface of described connector body forms the connector sealing mounting groove that can fix described connector sealing around described connector body;
And fix described connector sealing in described connector sealing mounting groove.
8. the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member according to claim 7, is characterized in that,
Described connector is sealed in described connector sealing mounting groove, and airtight of the outside and inboard airtight portion are not formed towards the medial surface of described connector cover is outstanding by described connector sealing mounting groove;
The airtight section in the described outside is disposed at the outside of the airtight section in described inboard in described connector sealing mounting groove.
9. the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member according to claim 5, is characterized in that,
Described shell is comprised of aluminum alloy materials.
10. the environmentally friendly vehicle frequency converter that utilizes the airtight processing of airtight member according to claim 5, is characterized in that,
Described connector sealing is comprised of tartan.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0054649 | 2012-05-23 | ||
| KR1020120054649A KR20130130960A (en) | 2012-05-23 | 2012-05-23 | Inverter with sealing elements for environmental-friendly vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103427598A true CN103427598A (en) | 2013-12-04 |
| CN103427598B CN103427598B (en) | 2017-06-23 |
Family
ID=49651918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310181195.XA Active CN103427598B (en) | 2012-05-23 | 2013-05-16 | Using the environmentally friendly vehicle frequency converter of the airtight treatment of airtight member |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20130130960A (en) |
| CN (1) | CN103427598B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960391A (en) * | 1989-06-16 | 1990-10-02 | Amp Incorporated | Hermetically sealed electrical bulkhead connector |
| CN1115914A (en) * | 1994-06-01 | 1996-01-31 | 惠特克公司 | Sealed connector and sealed connector assembly |
| CN101346060A (en) * | 2007-07-10 | 2009-01-14 | Abb股份公司 | Sealing arrangement |
| CN201611838U (en) * | 2009-12-29 | 2010-10-20 | 上海瑞伯德智能系统科技有限公司 | Water-cooled frequency converter used for electric vehicle |
| CN102182825A (en) * | 2011-04-08 | 2011-09-14 | 宁波华缘玻璃钢电器制造有限公司 | Sealing structure for sealing box |
| CN102403617A (en) * | 2010-09-08 | 2012-04-04 | Smk株式会社 | Connector type waterproof installing structure |
-
2012
- 2012-05-23 KR KR1020120054649A patent/KR20130130960A/en not_active Application Discontinuation
-
2013
- 2013-05-16 CN CN201310181195.XA patent/CN103427598B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4960391A (en) * | 1989-06-16 | 1990-10-02 | Amp Incorporated | Hermetically sealed electrical bulkhead connector |
| CN1115914A (en) * | 1994-06-01 | 1996-01-31 | 惠特克公司 | Sealed connector and sealed connector assembly |
| CN101346060A (en) * | 2007-07-10 | 2009-01-14 | Abb股份公司 | Sealing arrangement |
| CN201611838U (en) * | 2009-12-29 | 2010-10-20 | 上海瑞伯德智能系统科技有限公司 | Water-cooled frequency converter used for electric vehicle |
| CN102403617A (en) * | 2010-09-08 | 2012-04-04 | Smk株式会社 | Connector type waterproof installing structure |
| CN102182825A (en) * | 2011-04-08 | 2011-09-14 | 宁波华缘玻璃钢电器制造有限公司 | Sealing structure for sealing box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103427598B (en) | 2017-06-23 |
| KR20130130960A (en) | 2013-12-03 |
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