CN203472564U - Manual high-voltage power cutoff device of electric vehicle - Google Patents
Manual high-voltage power cutoff device of electric vehicle Download PDFInfo
- Publication number
- CN203472564U CN203472564U CN201320536877.3U CN201320536877U CN203472564U CN 203472564 U CN203472564 U CN 203472564U CN 201320536877 U CN201320536877 U CN 201320536877U CN 203472564 U CN203472564 U CN 203472564U
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- 238000005516 engineering process Methods 0.000 description 2
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- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a manual high-voltage power cutoff device of an electric vehicle. The manual high-tension power cutoff device comprises a vehicle control unit, a main positive-high-voltage direct-current contactor, an indicating lamp, a main negative-high-voltage direct-current contactor and a manual power cutoff switch, wherein the main positive-high-voltage direct-current contactor is serially connected on a main positive power supply circuit of a power battery and controlled by the vehicle control unit, the indicating lamp is mounted in a driving cab and is controlled by the vehicle control unit to be lightened when the main positive-high-voltage direct-current contactor is detected to be at fault, the main negative-high-voltage direct-current contactor is serially connected on a main negative power supply circuit of the power battery, and the manual power cutoff switch is serially connected in a coil power supply loop of the main negative-high-voltage direct-current contactor. The manual high-voltage power cutoff device has the advantages of simple structure, convenience in operation, safety and reliability.
Description
Technical field
The utility model relates to elec. vehicle field, specifically a kind of elec. vehicle high-tension current hand off device.
Background technology
In the high-voltage power system of elec. vehicle, on electrokinetic cell, be connected with master and just bear two high voltage supply circuits with master, in main Zheng Hezhufu supply line, be respectively in series with the high-voltage DC contactor by vehicle control unit controls, each high pressure consumer of using in elec. vehicle is all connected on the high voltage supply circuit of electrokinetic cell as motor, electric auxiliaries and on-vehicle battery etc.Can cut off high power supply except above-mentioned high-voltage DC contactor, be arranged in addition the Manual maintenance switch on electrokinetic cell and be connected on the quick acting fuse in supply line.Wherein, high-voltage DC contactor is contactless switch open in usual, the fault such as after long-time use, is easy to stick together and causes in time high voltage supply circuit being cut off, although entire car controller can detect fault, have measure to come timely cut off high to power.Manual maintenance switch is generally positioned on high-tension battery, during for maintenance or inspection, disconnects high-tension current, and in vehicle operating process, if there is the situation that needs emergency power off, Manual maintenance switch is not just brought into play effect.Quick acting fuse disconnects high pressure when being used for short circuit or seriously transshipping, and when vehicle is not short circuit or overload fault, if desired promptly disconnects high-tension current, and quick acting fuse just cannot play a role.If high-tension current is introduced directly into operator's compartment, have very large potential safety hazard.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of safe and reliable, simple in structure and easy to operate elec. vehicle high-tension current hand off device.
For solving the problems of the technologies described above, elec. vehicle high-tension current hand off device of the present utility model comprises entire car controller and is connected in electrokinetic cell Zhu Zheng supply line and by the main positive high voltage DC contactor of vehicle control unit controls, its constructional feature is that this device also comprises and is arranged in operator's compartment and by entire car controller, when main positive high voltage DC contactor fault being detected, controlled the indicator lamp of lighting, be connected on the main negative high voltage DC contactor in electrokinetic cell Zhu Fu supply line and be arranged in operator's compartment and be connected on the Manual power-down switching in above-mentioned main negative high voltage DC contactor coil power loop.
Adopt said structure, when entire car controller monitors main positive high voltage DC contactor and cannot move because of faults such as adhesions, vehicle control unit controls is lighted the indicator lamp that is positioned at operator's compartment, after chaufeur sees that indicator lamp is bright, the power supply of the main negative high voltage DC contactor of M/C Manual power-down switching conducting coil, the contact action Jiang Zhufu supply line of main negative high voltage DC contactor cuts off.In said structure, only the low pressure control end of main negative high voltage DC contactor is incorporated into operator's compartment, does not have potential safety hazard, whole apparatus structure is simple, easy to operate.
The coil of described main negative high voltage DC contactor is connected on on-vehicle battery, and the control end of main negative high voltage DC contactor is powered by on-vehicle battery.
Described indicator lamp and Manual power-down switching are arranged on the side of gauge panel in operator's compartment side by side.Indicator lamp and Manual power-down switching are close to and are arranged on gauge panel side, facilitate the observation of chaufeur and are conducive in case of emergency fast operating of chaufeur.
Described main negative high voltage DC contactor is normally closed contactless switch.Adopt normally closed contactless switch, can reduce switching number of times, thereby improve the service life of contactless switch, reduced the probability of adhesion.
Described indicator lamp is LED lamp.
In sum, the utlity model has simple in structure, easy to operate and safe and reliable advantage.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is structural principle block diagram of the present utility model.
The specific embodiment
With reference to accompanying drawing, elec. vehicle high-tension current hand off device of the present utility model comprises entire car controller 1 and is connected in electrokinetic cell 2 Zhu Zheng supply lines 21 and the main positive high voltage DC contactor 3 of being controlled by entire car controller 1, the utility model also comprises and is arranged in operator's compartment 4 and by entire car controller 1, when main positive high voltage DC contactor 3 fault being detected, is controlled the indicator lamp 5 of lighting, be connected on the main negative high voltage DC contactor 6 in electrokinetic cell 2 Zhu Fu supply lines 22 and be arranged in operator's compartment 4 and be connected on the Manual power-down switching 7 in above-mentioned main negative high voltage DC contactor 6 coil power loops.
With reference to accompanying drawing, course of action of the present utility model is: when entire car controller 1 monitors main positive high voltage DC contactor 3 and cannot move because of faults such as adhesions, entire car controller 1 is controlled and is lighted the indicator lamp 5 that is positioned at operator's compartment 4, after chaufeur sees that indicator lamp 5 is bright, the power supply of main negative high voltage DC contactor 6 coils of M/C Manual power-down switching 7 conducting, main negative high voltage DC contactor 6 action Jiang Zhufu supply lines 22 cut off.Wherein, main negative high voltage DC contactor 6 is normally closed contactless switch, can reduce switching number of times, thereby can improve the service life of contactless switch, reduces adhesion probability.
With reference to accompanying drawing, the coil of main negative high voltage DC contactor 6 is connected on on-vehicle battery 8, and the coil of main negative high voltage DC contactor 6 is powered by on-vehicle battery 8, only the low tension of on-vehicle battery 8 is introduced to operator's compartment 4, does not have potential safety hazard.
For the ease of chaufeur, observe and fast operating, indicator lamp 5 and Manual power-down switching 7 are arranged on the side of operator's compartment 4 interior gauge panels side by side.So-called side refers at gauge panel wherein on the position of a side, chooses the correct position near gauge panel.Wherein, indicator lamp 5 is preferably and adopts LED lamp.
In sum, the utility model is not limited to the above-mentioned specific embodiment.Those skilled in the art, not departing under the prerequisite of spirit and scope of the present utility model, can do some changes and modification.Protection domain of the present utility model should be as the criterion with claim of the present utility model.
Claims (6)
1. an elec. vehicle high-tension current hand off device, comprise entire car controller (1) and be connected on electrokinetic cell (2) Zhu Zheng supply line (21) main positive high voltage DC contactor (3) upper and that controlled by entire car controller (1), it is characterized in that this device also comprises is arranged in operator's compartment (4) and by entire car controller (1), when main positive high voltage DC contactor (3) fault being detected, is controlled the indicator lamp (5) of lighting, be connected on the main negative high voltage DC contactor (6) in electrokinetic cell (2) Zhu Fu supply line (22) and be arranged in operator's compartment (4) and be connected on the Manual power-down switching (7) in above-mentioned main negative high voltage DC contactor (6) coil power loop.
2. elec. vehicle high-tension current hand off device as claimed in claim 1, is characterized in that the coil of described main negative high voltage DC contactor (6) is connected on on-vehicle battery (8).
3. elec. vehicle high-tension current hand off device as claimed in claim 1, is characterized in that described indicator lamp (5) and Manual power-down switching (7) are arranged on the side of the interior gauge panel of operator's compartment (4) side by side.
4. elec. vehicle high-tension current hand off device as claimed any one in claims 1 to 3, is characterized in that described main negative high voltage DC contactor (6) is for normally closed contactless switch.
5. elec. vehicle high-tension current hand off device as claimed any one in claims 1 to 3, is characterized in that described indicator lamp (5) is LED lamp.
6. elec. vehicle high-tension current hand off device as claimed in claim 4, is characterized in that described indicator lamp (5) is LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536877.3U CN203472564U (en) | 2013-08-31 | 2013-08-31 | Manual high-voltage power cutoff device of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536877.3U CN203472564U (en) | 2013-08-31 | 2013-08-31 | Manual high-voltage power cutoff device of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203472564U true CN203472564U (en) | 2014-03-12 |
Family
ID=50220955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320536877.3U Expired - Fee Related CN203472564U (en) | 2013-08-31 | 2013-08-31 | Manual high-voltage power cutoff device of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203472564U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235526A (en) * | 2015-11-13 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Electric car and high voltage protection device thereof |
| CN106080205A (en) * | 2016-06-24 | 2016-11-09 | 安徽长城输送机械制造有限公司 | A kind of automobile emergency service switch and control method thereof |
| CN109633434A (en) * | 2019-01-16 | 2019-04-16 | 无锡商业职业技术学院 | A kind of detection circuit of electric automobile high-voltage D.C. contactor |
| CN111376725A (en) * | 2018-12-28 | 2020-07-07 | 长城汽车股份有限公司 | Power battery, maintenance protection device thereof and vehicle |
-
2013
- 2013-08-31 CN CN201320536877.3U patent/CN203472564U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235526A (en) * | 2015-11-13 | 2016-01-13 | 安徽江淮汽车股份有限公司 | Electric car and high voltage protection device thereof |
| CN106080205A (en) * | 2016-06-24 | 2016-11-09 | 安徽长城输送机械制造有限公司 | A kind of automobile emergency service switch and control method thereof |
| CN111376725A (en) * | 2018-12-28 | 2020-07-07 | 长城汽车股份有限公司 | Power battery, maintenance protection device thereof and vehicle |
| CN109633434A (en) * | 2019-01-16 | 2019-04-16 | 无锡商业职业技术学院 | A kind of detection circuit of electric automobile high-voltage D.C. contactor |
| CN109633434B (en) * | 2019-01-16 | 2023-12-22 | 无锡商业职业技术学院 | Detection circuit of high-voltage direct-current contactor of electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 |