CN204037361U - A kind of pure electric coach collision self-blocking control mechanism - Google Patents
A kind of pure electric coach collision self-blocking control mechanism Download PDFInfo
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- CN204037361U CN204037361U CN201420442300.0U CN201420442300U CN204037361U CN 204037361 U CN204037361 U CN 204037361U CN 201420442300 U CN201420442300 U CN 201420442300U CN 204037361 U CN204037361 U CN 204037361U
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Abstract
The utility model discloses a kind of automatic cut off high outlet line and improve the pure electric coach collision self-blocking control mechanism of safety.It comprises crash sensor, crash controller, CAN bus bus, power accumulator, power distribution unit, power-supply management system and vehicle control device, crash sensor connects crash controller, crash controller, power-supply management system and vehicle control device are all connected in CAN bus bus, power accumulator is provided with high pressure main contactor, power distribution unit is provided with high voltage connector, power-supply management system is connected with crash controller by the high pressure main contactor on power accumulator, vehicle control device is connected with crash controller by the high voltage connector in power distribution unit.The beneficial effects of the utility model are: by crash sensor and crash controller, are cut off high outlet line automatic during vehicle collision, provide auto-breaking defencive function timely, improve safety.
Description
Technical field
The utility model relates to auto against correlative technology field, refers in particular to a kind of pure electric coach collision self-blocking control mechanism.
Background technology
Present stage, pure electric coach high pressure chopper system comprised hands off device (hereinafter referred to as MSD), automatic circuit breaker two parts.Hands off device is mainly used in providing cut-out Unwanted voltage for when vehicle debugging, maintenance process simulation.Automatic circuit breaker is used for when not having user to intervene, to be cut off the connection of electrokinetic cell and external high pressure system by parts (high voltage connector) when some accident occurs.The startup of existing automatic circuit breaker mainly comes from the failure message on CAN bus, as the insulation fault of high-pressure system, and under-voltage, the overvoltage of power-supply system, excess temperature fault, the excess temperature, over current fault etc. of electric machine controller.Automatic circuit breaker receives the control of vehicle control device (hereinafter referred to as VCU), power-supply management system (BMS).General existing pure electric coach high-pressure system used, after automobile collides, automatic circuit breaker cannot start in time automatically, causes still having electric energy to export, and there is the technical matters of larger potential safety hazard.
Chinese patent application publication number: CN 101954868A; application publication date on January 26th, 2011; disclose a kind of electric automobile collision fender guard; it comprises collision sensing functional unit and the crash protection functional unit of controlling functions unit and difference connection control function unit, and crash protection functional unit is also connected between described electric machine controller and described driving power.This invention also relates to a kind of electric automobile collision guard method; when colliding; collision sensing functional unit sends collision control signal to controlling functions unit; controlling functions unit, to crash protection functional unit output low level, controls the circuit between crash protection functional unit disconnection electric machine controller and driving power.The weak point of this invention is, after automobile collides, may still have electric energy to export, and there is the technical matters of larger potential safety hazard.
Utility model content
The utility model there is above-mentioned deficiency to overcome in prior art, provides a kind of automatic cut off high outlet line and improve the pure electric coach collision self-blocking control mechanism of safety.
To achieve these goals, the utility model is by the following technical solutions:
A kind of pure electric coach collision self-blocking control mechanism, comprise crash sensor, crash controller, CAN bus bus, power accumulator, power distribution unit, power-supply management system and vehicle control device, described crash sensor connects crash controller, described crash controller, power-supply management system and vehicle control device are all connected in CAN bus bus, described power accumulator is provided with high pressure main contactor, described power distribution unit is provided with high voltage connector, described power-supply management system is connected with crash controller by the high pressure main contactor on power accumulator, described vehicle control device is connected with crash controller by the high voltage connector in power distribution unit.
The mouth of crash sensor is connected with the input end of crash controller, and the mouth of crash controller is connected with the drive end of the high voltage connector of the high pressure main contactor of power accumulator, power distribution unit.When a vehicle is in a collision, crash sensor outputs signal to crash controller, crash controller outputs signal to the drive end of the high voltage connector of power distribution unit after treatment, drive high voltage connector action, the contact switch of high voltage connector is disconnected, thus the outlet line of automatic cut off high, automobile is stopped immediately.Crash controller, while Receiving collision sensor information, also receives the message information in CAN bus bus, and according to the damage situations after vehicle collision, crash controller performs the cut-out of different brackets.When colliding, crash controller is according to the collision alarm from crash sensor, cut off the high voltage connector in power distribution unit immediately, determine whether needing to cut off the high pressure main contactor in power accumulator according to the message information in CAN bus bus, meanwhile the high pressure main contactor of power accumulator also receives the control of power-supply management system simultaneously.Such design, by crash sensor and crash controller, is cut off high outlet line automatic during vehicle collision, provides auto-breaking defencive function timely, and the personnel caused after avoiding vehicle collision get an electric shock and on fire, blast equivalent risk, improve safety.
As preferably, described crash sensor is arranged near the high voltage component of vehicle.Improve the precision that high voltage component detects, to improve the safety performance of this mechanism.
As preferably, also comprise the module that powers on, the described model calling crash controller that powers on.
As preferably, the described module that powers on comprises battery, ignition lock, charge switch and battery charger, and described battery charger is connected with the power end of crash controller by charge switch, and described battery is connected with the power end of crash controller by ignition lock.Adopt the power supply mode that two kinds different, can guarantee that this mechanism normally runs, to improve safety.
As preferably, between described battery and ignition lock, be provided with wire fuse.Improve the safety performance of this mechanism.
As preferably, between described crash controller and charge switch, be provided with the first diode.Improve the safety performance of this mechanism.
As preferably, between described crash controller and ignition lock, be provided with the second diode.Improve the safety performance of this mechanism.
As preferably, the high pressure main contactor on described power accumulator is irreversible, and the high voltage connector in described power distribution unit is reversible.The cut-out of power distribution unit inner high voltage contactless switch is reversible, and when chaufeur and vehicle control device, power-supply management system judge high-pressure system trouble free and can drive a vehicle, chaufeur can perform electrifying startup vehicle by normal power-up routine; The cut-out of power accumulator inner high voltage main contactor is irreversible, and only having after severance can electrifying startup vehicle after professional's trouble-shooting.
The beneficial effects of the utility model are: by crash sensor and crash controller; for cut off high outlet line automatic during vehicle collision; there is provided auto-breaking defencive function timely, the personnel caused after avoiding vehicle collision get an electric shock and on fire, blast equivalent risk, improve safety.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present utility model;
Fig. 2 is the electrical schematic diagram of crash controller.
In figure: 1. crash sensor, 2. crash controller, 3.CAN bus bus, 4. power accumulator, 5. power distribution unit, 6. power-supply management system, 7. vehicle control device, 8. charge switch, 9. battery charger, 10. ignition lock, 11. wire fuses, 12. batteries, 13. first diodes, 14. second diodes.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As Fig. 1, in embodiment described in Fig. 2, a kind of pure electric coach collision self-blocking control mechanism, comprise crash sensor 1, crash controller 2, CAN bus bus 3, power accumulator 4, power distribution unit 5, power-supply management system 6, vehicle control device 7 and the module that powers on, crash sensor 1 is arranged near the high voltage component of vehicle, such as power accumulator 4, power distribution unit 5 etc., crash sensor 1 connects crash controller 2, crash controller 2, power-supply management system 6 and vehicle control device 7 are all connected in CAN bus bus 3, power accumulator 4 is provided with high pressure main contactor, power distribution unit 5 is provided with high voltage connector, power-supply management system 6 is connected with crash controller 2 by the high pressure main contactor on power accumulator 4, vehicle control device 7 is connected with crash controller 2 by the high voltage connector in power distribution unit 5, power on model calling crash controller 2.Wherein, the module that powers on comprises battery 12, ignition lock 10, charge switch 8 and battery charger 9, battery charger 9 is connected with the power end of crash controller 2 by charge switch 8, battery 12 is connected with the power end of crash controller 2 by ignition lock 10, wire fuse 11 is provided with between battery 12 and ignition lock 10, be provided with the first diode 13 between crash controller 2 and charge switch 8, between crash controller 2 and ignition lock 10, be provided with the second diode 14.High pressure main contactor on power accumulator 4 is irreversible, and the high voltage connector in power distribution unit 5 is reversible.
The mouth of crash sensor 1 is connected with the input end of crash controller 2, and the mouth of crash controller 2 is connected with the drive end of the high voltage connector of the high pressure main contactor of power accumulator 4, power distribution unit 5.When a vehicle is in a collision, crash sensor 1 outputs signal to crash controller 2, crash controller 2 outputs signal to the drive end of the high voltage connector of power distribution unit 5 after treatment, drive high voltage connector action, the contact switch of high voltage connector is disconnected, thus the outlet line of automatic cut off high, automobile is stopped immediately.Crash controller 2 is while Receiving collision sensor 1 information, and also receive the message information in CAN bus bus 3, according to the damage situations after vehicle collision, crash controller 2 performs the cut-out of different brackets.When colliding, crash controller 2 is according to the collision alarm from crash sensor 1, cut off the high voltage connector in power distribution unit 5 immediately, determine whether needing to cut off the high pressure main contactor in power accumulator 4 according to the message information in CAN bus bus 3, meanwhile the high pressure main contactor of power accumulator 4 also receives the control of power-supply management system 6 simultaneously.The cut-out of power distribution unit 5 inner high voltage contactless switch is reversible, and when chaufeur and vehicle control device 7, power-supply management system 6 judge high-pressure system trouble free and can drive a vehicle, chaufeur can perform electrifying startup vehicle by normal power-up routine; The cut-out of power accumulator 4 inner high voltage main contactor is irreversible, and only having after severance can electrifying startup vehicle after professional's trouble-shooting.
Claims (8)
1. a pure electric coach collision self-blocking control mechanism, it is characterized in that, comprise crash sensor (1), crash controller (2), CAN bus bus (3), power accumulator (4), power distribution unit (5), power-supply management system (6) and vehicle control device (7), described crash sensor (1) connects crash controller (2), described crash controller (2), power-supply management system (6) and vehicle control device (7) are all connected in CAN bus bus (3), described power accumulator (4) is provided with high pressure main contactor, described power distribution unit (5) is provided with high voltage connector, described power-supply management system (6) is connected with crash controller (2) by the high pressure main contactor on power accumulator (4), described vehicle control device (7) is connected with crash controller (2) by the high voltage connector in power distribution unit (5).
2. a kind of pure electric coach collision self-blocking control mechanism according to claim 1, it is characterized in that, described crash sensor (1) is arranged near the high voltage component of vehicle.
3. a kind of pure electric coach collision self-blocking control mechanism according to claim 1, is characterized in that, also comprise the module that powers on, the described model calling crash controller (2) that powers on.
4. a kind of pure electric coach collision self-blocking control mechanism according to claim 3, it is characterized in that, the described module that powers on comprises battery (12), ignition lock (10), charge switch (8) and battery charger (9), described battery charger (9) is connected by the power end of charge switch (8) with crash controller (2), and described battery (12) is connected by the power end of ignition lock (10) with crash controller (2).
5. a kind of pure electric coach collision self-blocking control mechanism according to claim 4, is characterized in that, be provided with wire fuse (11) between described battery (12) and ignition lock (10).
6. a kind of pure electric coach collision self-blocking control mechanism according to claim 4, is characterized in that, be provided with the first diode (13) between described crash controller (2) and charge switch (8).
7. a kind of pure electric coach collision self-blocking control mechanism according to claim 4, is characterized in that, be provided with the second diode (14) between described crash controller (2) and ignition lock (10).
8. a kind of pure electric coach collision self-blocking control mechanism according to claim 1 or 2 or 3 or 4, it is characterized in that, high pressure main contactor on described power accumulator (4) is irreversible, and the high voltage connector in described power distribution unit (5) is reversible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442300.0U CN204037361U (en) | 2014-08-07 | 2014-08-07 | A kind of pure electric coach collision self-blocking control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442300.0U CN204037361U (en) | 2014-08-07 | 2014-08-07 | A kind of pure electric coach collision self-blocking control mechanism |
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| Publication Number | Publication Date |
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| CN204037361U true CN204037361U (en) | 2014-12-24 |
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| CN201420442300.0U Expired - Fee Related CN204037361U (en) | 2014-08-07 | 2014-08-07 | A kind of pure electric coach collision self-blocking control mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108327539A (en) * | 2018-01-08 | 2018-07-27 | 蔚来汽车有限公司 | Electric vehicle, vehicle safety control method and device |
| CN109070756A (en) * | 2016-07-18 | 2018-12-21 | 宝马股份公司 | High voltage battery system including safety device |
| CN111137132A (en) * | 2018-11-02 | 2020-05-12 | 河南森源重工有限公司 | Electric automobile collision power-off control method and system and electric automobile |
| CN112810449A (en) * | 2021-01-04 | 2021-05-18 | 宝能(西安)汽车研究院有限公司 | High-voltage power-off system for vehicle and vehicle |
-
2014
- 2014-08-07 CN CN201420442300.0U patent/CN204037361U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070756A (en) * | 2016-07-18 | 2018-12-21 | 宝马股份公司 | High voltage battery system including safety device |
| CN108327539A (en) * | 2018-01-08 | 2018-07-27 | 蔚来汽车有限公司 | Electric vehicle, vehicle safety control method and device |
| CN108327539B (en) * | 2018-01-08 | 2021-08-17 | 蔚来(安徽)控股有限公司 | Electric automobile, and vehicle safety control method and device |
| CN111137132A (en) * | 2018-11-02 | 2020-05-12 | 河南森源重工有限公司 | Electric automobile collision power-off control method and system and electric automobile |
| CN112810449A (en) * | 2021-01-04 | 2021-05-18 | 宝能(西安)汽车研究院有限公司 | High-voltage power-off system for vehicle and vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200413 Address after: 310000 No.42 Beitang Road, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: Tens of thousands of Qingyuan intelligent motor car Co.,Ltd. Address before: 311215 No. two, No. 118, Xiaoshan economic and Technological Development Zone, Hangzhou, Zhejiang Co-patentee before: WANXIANG GROUP Co.,Ltd. Patentee before: WANXIANG EV Co.,Ltd. |
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| 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: 20141224 Termination date: 20210807 |