CN204928015U - Electric automobile high-voltage switching box with direct current contactor - Google Patents
Electric automobile high-voltage switching box with direct current contactor Download PDFInfo
- Publication number
- CN204928015U CN204928015U CN201520759702.8U CN201520759702U CN204928015U CN 204928015 U CN204928015 U CN 204928015U CN 201520759702 U CN201520759702 U CN 201520759702U CN 204928015 U CN204928015 U CN 204928015U
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- China
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- voltage
- box body
- direct current
- contactor
- electric automobile
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- Expired - Fee Related
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Abstract
The utility model discloses an electric automobile high pressure switching box with direct current contactor, comprises a box bod, be equipped with the lid on the box body, be equipped with four high-voltage input single core connectors on the lateral wall of box body one side, be equipped with two core connectors of high-voltage output and low-voltage control leading-out terminal on the lateral wall of box body opposite side, be equipped with two high voltage direct current contactors in the box body, four high-voltage input single core connectors are connected to high voltage direct current contactor through the copper bar, high voltage direct current contactor is connected to two core connectors of high-voltage output through the copper bar, the low-voltage control leading-out terminal links to each other with high. Two mounting brackets are arranged at the bottoms of the outer walls at the two ends of the box body. The utility model discloses simple structure, box body and installing support pass through the die-casting shaping, when realizing the assembly function, have guaranteed high barrier propterty, are equipped with waterproof sealing washer on the lid in addition to guarantee the protection grade of device, the maintenance of protection grade when being convenient for maintain moreover.
Description
Technical field
The utility model relates to pure electric automobile high-voltage electric system distribution technique field, is specially a kind of electric automobile high-voltage interconnecting device with D.C. contactor.
Background technology
At present in pure electric automobile high-voltage electric system, critical piece relates to parallel power battery pack and high tension distribution system etc., if directly carry out connection, not only structure repeats, and safety is difficult to ensure.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of electric automobile high-voltage interconnecting device with D.C. contactor.
A kind of electric automobile high-voltage interconnecting device with D.C. contactor, comprise box body 1, described box body 1 is provided with lid 2, the sidewall of described box body 1 side is provided with four high input voltage single core connector 3, the sidewall of described box body 1 opposite side is provided with High voltage output two core connector 4 and low voltage control leading-out terminal 5, two high-voltage DC contactors 6 are provided with in described box body, described four high input voltage single core connector 3 are connected to high-voltage DC contactor 6 by copper bar 7, described high-voltage DC contactor 6 is connected to High voltage output two core connector 4 by copper bar 7, described low voltage control leading-out terminal 5 is connected with high-voltage DC contactor 6.Two mounting brackets 8 are provided with bottom the outer wall at described box body 1 two ends.
The utility model structure is simple, and box body and mounting bracket pass through die cast, while realizing assembling function, ensure that high barrier propterty, lid is separately provided with waterproof grommet, with the degree of protection of assurance device, and be convenient to keep in repair time degree of protection maintenance.High-voltage DC contactor is provided with in box body.When pure electric automobile starts to start, the output current of high-tension battery bag, by car load control unit controls, is dispensed to high-tension distribution box, ensures the normal work of high voltage electric device.The utility model has not only possessed the repertoire of former high-tension line, and solve the complicated and unsafe problem of wire harness in parallel between battery pack, have that structure is simple, sealing reliability is high, volume is little, use and keep in repair safe, easy to operate, that integration is high advantage.Interconnecting device of the present utility model realizes the opening and closing of lid by screw bolt and nut, makes lid and box body overall separation, conveniently overhauls under narrow space.There is compact conformation, overhaul feature easily.
Accompanying drawing explanation
Fig. 1 is the utility model internal structure schematic diagram.
Fig. 2 is the utility model surface structure schematic diagram.
Fig. 3 is the utility model control circui schematic diagram; (in figure: contact A---high voltage direct current exports negative pole, contact B---high voltage direct current exports positive pole, contact C---high input voltage 1 positive pole, contact D---high input voltage 2 positive pole, contact E---high input voltage 2 negative pole, contact F---high input voltage 1 negative pole, contact P---body earth, contact Q---high input voltage 1 D.C. contactor control end, contact R---high input voltage 2 D.C. contactor control end.)
Embodiment
Below in conjunction with accompanying drawing and embodiment of the present utility model, the electric automobile high-voltage interconnecting device of the utility model with D.C. contactor is made the following instructions.
A kind of electric automobile high-voltage interconnecting device with D.C. contactor, comprise box body 1, described box body 1 is provided with lid 2, the sidewall of described box body 1 side is provided with four high input voltage single core connector 3, the sidewall of described box body 1 opposite side is provided with High voltage output two core connector 4 and low voltage control leading-out terminal 5, two high-voltage DC contactors 6 are provided with in described box body, described four high input voltage single core connector 3 are connected to high-voltage DC contactor 6 by copper bar 7, described high-voltage DC contactor 6 is connected to High voltage output two core connector 4 by copper bar 7, described low voltage control leading-out terminal 5 is connected with high-voltage DC contactor 6.Two mounting brackets 8 are provided with bottom the outer wall at described box body 1 two ends.
High-voltage DC contactor 6 is a kind of automatic switch elements with buffer action going to control larger current with less electric current, and is suitable for the frequent closed and disconnected of DC circuit, has the advantages such as action is fast, working stability, long service life, volume are little.
The course of work of the present utility model is: when ON position got to by the key of pure electric automobile, and car load control unit powers on to high-voltage DC contactor 6 coil by detecting whole vehicle state, and normally opened contact closes, and circuit high voltage power distribution exports high-tension distribution box to; When external direct current or AC power are charged, car load control unit powers on to control coil, and normally opened contact closes, and high-tension battery bag is connected to the charging circuit of high-tension distribution box.Similarly, lower electric process realizes the disconnection of power distribution circuit by car load control unit controls.
Claims (2)
1. the electric automobile high-voltage interconnecting device with D.C. contactor, comprise box body (1), described box body (1) is provided with lid (2), it is characterized in that: the sidewall of described box body (1) side is provided with four high input voltage single core connector (3), the sidewall of described box body (1) opposite side is provided with High voltage output two core connector (4) and low voltage control leading-out terminal (5), two high-voltage DC contactors (6) are provided with in described box body, described four high input voltage single core connector (3) are connected to high-voltage DC contactor (6) by copper bar (7), described high-voltage DC contactor (6) is connected to High voltage output two core connector (4) by copper bar (7), described low voltage control leading-out terminal (5) is connected with high-voltage DC contactor (6).
2. the electric automobile high-voltage interconnecting device with D.C. contactor according to claim 1, is characterized in that: be provided with two mounting brackets (8) bottom the outer wall at described box body (1) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520759702.8U CN204928015U (en) | 2015-09-28 | 2015-09-28 | Electric automobile high-voltage switching box with direct current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520759702.8U CN204928015U (en) | 2015-09-28 | 2015-09-28 | Electric automobile high-voltage switching box with direct current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928015U true CN204928015U (en) | 2015-12-30 |
Family
ID=54977114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520759702.8U Expired - Fee Related CN204928015U (en) | 2015-09-28 | 2015-09-28 | Electric automobile high-voltage switching box with direct current contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204928015U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711885A (en) * | 2016-12-28 | 2017-05-24 | 重庆长安汽车股份有限公司 | Automobile wire harness junction box |
| CN109643884A (en) * | 2016-08-22 | 2019-04-16 | 株式会社自动网络技术研究所 | Connection box |
| CN114121553A (en) * | 2021-11-22 | 2022-03-01 | 广州小鹏汽车科技有限公司 | High-voltage contactor mounting structure and high-voltage distribution box |
-
2015
- 2015-09-28 CN CN201520759702.8U patent/CN204928015U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109643884A (en) * | 2016-08-22 | 2019-04-16 | 株式会社自动网络技术研究所 | Connection box |
| CN109643884B (en) * | 2016-08-22 | 2020-07-10 | 株式会社自动网络技术研究所 | Electrical connection box |
| CN106711885A (en) * | 2016-12-28 | 2017-05-24 | 重庆长安汽车股份有限公司 | Automobile wire harness junction box |
| CN114121553A (en) * | 2021-11-22 | 2022-03-01 | 广州小鹏汽车科技有限公司 | High-voltage contactor mounting structure and high-voltage distribution box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |