CN202480896U - Safety redundancy device for automobile power battery system - Google Patents
- ️Wed Oct 10 2012
CN202480896U - Safety redundancy device for automobile power battery system - Google Patents
Safety redundancy device for automobile power battery system Download PDFInfo
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- CN202480896U CN202480896U CN2012200150861U CN201220015086U CN202480896U CN 202480896 U CN202480896 U CN 202480896U CN 2012200150861 U CN2012200150861 U CN 2012200150861U CN 201220015086 U CN201220015086 U CN 201220015086U CN 202480896 U CN202480896 U CN 202480896U Authority
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Abstract
The utility model provides a safety redundancy device for an automobile power battery system, belongs to the technical field of an automobile power battery system, and solves the problem of high-pressure system safety of a pure electric vehicle. The device comprises a safety air bag ECU (electronic control unit), a BMS (battery management system) and a storage battery connected with a whole automobile high-pressure appliance, wherein the safety air bag ECU is connected with a crash sensor; the BMS is connected with a high-pressure contact which is used for cutting off power to the whole automobile high-pressure appliance; the main contact of the high-pressure contact is connected with the BMS, and the auxiliary contact of the high-pressure contact is connected in series between the storage battery and the high-pressure appliance; at least two signal processing modules are connected between the safety air bag ECU and the BMS; a crash signal detected by the crash sensor is received by the safety air bag ECU, is processed through the signal processing modules to form a corresponding processing signal, and the processing signal is transferred to the BMS; and a control signal is sent out to cut off the main contact of the high-pressure contact after the BMS receives the processing signal, and the auxiliary contact of the high-pressure contact is disconnected. The safety redundancy device can cut off the connection of the high-pressure system and the while automobile system in time through multiple protective circuits.
Description
Technical field
The utility model belongs to automobile power cell systems technology field, relates to the safe redundant apparatus of a kind of automobile power cell system.
Background technology
Along with the development of new forms of energy vehicle, for the collision safety of pure electric automobile and hybrid power vehicle, to consider to extend on the basis of orthodox car safety requirements, high-voltage safety becomes the problem of various pure electric vehicle types and the concern of hybrid power vehicle.The power closed-centre system of new forms of energy vehicle can be distinguished according to different vehicles and system configuration to some extent, if but driver and crew touch these devices under the situation of not having intention receive certain injury, even the potential risk that has personal safety to be on the hazard.Particularly under the situation that car load crashes, how the reliable electricity of cut off high timely guarantees that driver and crew's in the car life security is the problem that the research staff must solve.
Some electronicies package of the prior art that the utility model is involved are explained as follows:
Safety airbag ECU is the safety air bag electronic control unit; Be the core components and parts in the vehicle electric control system; Be used to accept the data of each system and send the various functions of instruction realization; When collision happens, safety airbag ECU collision detection acceleration signal, the electronic control unit of control safety air bag burst time.
BMS is a power closed-center system management system; BMS is the electronic unit with real-time monitoring, automatic equalization, intelligent recharge and discharge; System has data acquisition functions such as the voltage, electric current, temperature, insulation of cell and battery pack, and interim data are stored; Have the overvoltage that produces in cell and the battery pack working process, under-voltage, overcurrent, temperature are crossed the function that high error state is effectively protected; Have battery charging and discharging is carried out voltage or capacity equilibrium management function; Have the prediction of battery charge state (SOC) and battery health situation (SOH), diagnosis function; Have the professional bus communication mode and the interface protocol (CAN/IEC61850) that meet the different application occasion, realize data communication, electrical control (charge and discharge control) and condition managing functions such as (heat management, safety managements).
HCU is an entire car controller, is the core control part of whole automobile, and it gathers acceleration pedal signal, brake pedal signal and other parts signals; And after making corresponding judgement, each Parts Controller action of control lower floor drives automobile normal running; As the command and management center of automobile, to the cruising of automobile, regenerated energy reclaims; Network management, trouble diagnosing and processing, functions such as the state of vehicle and supervision play a part crucial.Entire car controller carries out the co-operative control of energy management and each parts to total system.
Summary of the invention
There are the problems referred to above in the utility model to existing technology, has proposed the safe redundant apparatus of a kind of automobile power cell system, and this device guarantees when automobile bumps through multiple protective circuit, being connected of timely cut off high system and Full Vehicle System.
The utility model is realized through following technical proposal: the safe redundant apparatus of a kind of automobile power cell system; Comprise safety airbag ECU, BMS and be connected the storage battery of car load High-Voltage Electrical Appliances; It is characterized in that; Described safety airbag ECU is connected with crash sensor; Described BMS is connected with and is used to cut off the high voltage connector that storage battery is given the power supply of car load High-Voltage Electrical Appliances, and the main contact of described high voltage connector connects BMS, and the secondary contact of high voltage connector are series between storage battery and the High-Voltage Electrical Appliances; Be connected with two paths of signals processing module at least between safety airbag ECU and the BMS; Described safety airbag ECU is used to receive the detected collision alarm of crash sensor to be handled the handled signal that the back forms through signal processing module and transmits to BMS, and described BMS is used for after receiving processing signals, sending the main contact of control signal cut off high contactless switch, the secondary contact disconnection of high voltage connector.
When automobile bumped, crash sensor detected collision alarm, sent to safety airbag ECU; Safety airbag ECU sends collision alarm through two paths of signals processing module processing at least; Be transmitted to BMS again, BMS makes judgement according to the processing signals that receives, and cuts off the main contact of the high voltage connector that is attached thereto; The secondary contact that the back of main contact outage simultaneously drives high voltage connector break off, and stop the purpose that storage battery is given the power supply of car load High-Voltage Electrical Appliances thereby reach.Use the multi-path signal processing unit can be in that riches all the way when giving birth to fault; Several roads can guarantee that BMS receives or detect processing signals in addition; Automobile when collision can be more reliably, cut off high circuit timely; Avoid driver and crew under situation about bumping, outage damages owing to failing in time.
In above-mentioned automobile power cell system collision safety redundant apparatus; Described signal processing module comprises HCU; Described safety airbag ECU, HCU and BMS are respectively successively through the total wire joint of CAN; The input port of described safety airbag ECU is connected with crash sensor, and described BMS delivery port is connected with high voltage connector, and described BMS is used to receive the collision information that the safety airbag ECU of HCU through the CAN bus transfer receive of flowing through.
When automobile bumped, crash sensor detected collision alarm, sent to safety airbag ECU; HCU receives the processing signals that safety airbag ECU sends through the CAN bus; Be transmitted to BMS by HCU, BMS makes judgement according to the processing signals that receives, and cuts off the high voltage connector that is attached thereto.Carry out communication through the CAN line, make the transmission of collision alarm have the characteristics of real-time and reliability.
In above-mentioned automobile power cell system collision safety redundant apparatus; Described signal processing module comprises electronic switch; The delivery port of described safety airbag ECU connects electronic switch through lead; The input port of described BMS also connects electronic switch through lead, and described safety airbag ECU also is used to receive collision information and sends level signal be transferred to electronic switch through lead, and described electronic switch action is broken off and being imported as the interlocking of BMS high pressure.
When automobile bumps; Crash sensor detects collision alarm and sends to safety airbag ECU; Safety airbag ECU sends level signal and passes to electronic switch through lead; Electronic switch breaks off the high pressure interlocking input as BMS, and BMS is unusual according to detecting high pressure interlocking incoming signal, then sends control signal cut off high contactless switch.
In above-mentioned automobile power cell system collision safety redundant apparatus; Described HCU comprises CAN communication input, output processing unit; The CAN communication input processing unit of described HCU is through CAN bus attachment security air bag ECU; The CAN of HCU communication output processing unit is through the total wire joint BMS of CAN, and described CAN communication input, output processing unit are used to handle communicating by letter between safety airbag ECU and the BMS.HCU has powerful input and output processing capacity, and HCU plays the effect of coordinating communication as the gateway of new forms of energy power bus and traditional vehicle Vehicle Body Bus to each controller in the car load.
In above-mentioned automobile power cell system collision safety redundant apparatus; Described BMS comprises MCU control module, voltage sensor module, CAN transceiver module and relay output module, and described voltage sensor module, CAN transceiver module and relay output module are connected the MCU control module respectively.The existing CAN transceiver module that receives CAN bus communication information that is specifically designed to of BMS has the voltage sensor module that receives electric signal again, makes the input end of BMS have the direct receiving capability to unlike signal here.
In above-mentioned automobile power cell system collision safety redundant apparatus, described relay output module connects high voltage connector, and described voltage sensor module connects electronic switch.The shutoff of electronic switch or closure produce the circuit voltage variation and can detect and receive through the voltage sensor module, and while BMS carries relay output module and is used for the execution mouth is broken off under certain control or closure.
In above-mentioned automobile power cell system collision safety redundant apparatus, described CAN transceiver module connects the CAN communication output processing unit of HCU.The real-time and the high efficiency of CAN bus signal transmission accelerated in specific CAN bus input and output.
In above-mentioned automobile power cell system collision safety redundant apparatus, described electronic switch is relay or IGBT.
Prior art is compared, and this automobile power cell system collision safety redundant apparatus has the following advantages:
1, the utility model is guaranteed when automobile bumps through the Redundancy Design of multiple protective circuit through this device, and in time cut off high system and Full Vehicle System is connected.
2, the utility model is through communication and the signal processing mode of CAN bus through HCU; Real-time and reliability that signal transmits have been guaranteed; Utilized communication line originally simultaneously, on traditional control circuit, increased the software protection mode and protected, improved little traditional control circuit.
3, the utility model transmits the detected collision alarm of crash sensor through the shutoff and the closed level signal that produces of electronic switch, and the design is simple in structure, rationally.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Among the figure 1, crash sensor; 2, safety airbag ECU; 3, HCU; 4, BMS; 5, high voltage connector; 6, electronic switch; 7, CAN bus; 8, storage battery; 9, High-Voltage Electrical Appliances.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As shown in Figure 1, this automobile power cell system collision safety redundant apparatus comprises that safety airbag ECU 2,
BMS4 and the storage battery that is connected the car load High-Voltage Electrical Appliances 8, safety airbag ECU 2 are connected with crash sensor 1.
BMS4 comprises MCU control module and the voltage sensor module that is connected the MCU control module respectively, CAN transceiver module and relay output module;
BMS4 is connected with and is used to cut off the high voltage connector 5 that storage battery 8 supplies power for car load High-Voltage Electrical Appliances 9; The main contact of high voltage connector 5 connects BMS; The secondary contact of high voltage connector 5 are series between storage battery 8 and the High-Voltage Electrical Appliances 9, are connected with two paths of signals processing module at least between safety airbag ECU 2 and the BMS 4.Safety airbag ECU 2 receives collision information and after the two paths of signals processing module is handled at least, transmits to
BMS4, and
BMS4 sends control signal and carries out cut off high contactless switch 5 after receiving processing signals.Signal processing module comprises
HCU3; Safety airbag ECU 2,
HCU3 and
BMS4 are connected through CAN bus 7 respectively successively; The input port of safety airbag ECU 2 is connected with
crash sensor1;
BMS4 delivery ports are connected with high voltage connector 5, and the handled signal that safety airbag ECU 2 receives the formation after signal processing module is handled of
crash sensor1 detected collision alarm transmits to BMS, and described BMS sends the main contact of control signal cut off high contactless switch 5 after receiving processing signals; The secondary contact of high voltage connector 5 break off simultaneously, give the power supply of car load High-Voltage Electrical Appliances thereby cut off storage battery.Received by
BMS4 through
HCU3 through 7 transmission of CAN bus,
BMS4 sends control signal and carries out cut off high contactless switch 5 after receiving
processing signals.HCU3 comprises CAN communication input, output processing unit; The CAN communication input processing unit of
HCU3 is through CAN bus 7 attachment security air bag ECU 2; The CAN of
HCU3 communication output processing unit connects
BMS4 through CAN bus 7, and CAN communication input, output processing unit are used to handle communicating by letter between safety airbag ECU 2 and the BMS 4.The CAN transceiver module connects the CAN communication output processing unit of
HCU3.
Signal processing module also comprises
electronic switch6; The delivery port of safety airbag ECU 2 connects
electronic switch6 through lead; The input port of
BMS4 also connects
electronic switch6 through lead; Safety airbag ECU 2 receives collision information and sends level signal and is transferred to
electronic switch6 through lead, and
electronic switch6 actions are broken off as
BMS4 high pressure interlockings input, and
BMS4 sends control signal and carries out cut off high contactless switch 5 after receiving high pressure interlock circuit cut-off signal.Relay output module connects high voltage connector 5, and described voltage sensor module connects electronic switch 6.The
electronic switch6 here is a relay, also can select IGBT for use.
When automobile bumps;
Crash sensor1 detects collision alarm; One tunnel soft protective circuit is: collision alarm sends to safety airbag ECU 2, and HCU 3 receives the collision alarm that safety airbag ECU 2 sends through CAN bus 7, and HCU 3 is as the communication gate of safety airbag ECU 2 with
BMS4; Collision alarm forms processing signals through
HCU3; Transmitted through giving the BMS4 processing signals by HCU 3, BMS 4 makes the judgement collision information according to the processing signals that receives, and cuts off the high voltage connector 5 that is attached thereto.Carry out communication through the CAN line, make the transmission of processing signals have the characteristics of real-time and reliability.The hard protective circuit in another road is: collision alarm sends level signal through safety airbag ECU 2 and passes to NORM CLSD
electronic switch6 through lead;
Electronic switch6 is selected relay or IGBT for use;
Electronic switch6 breaks off the high pressure interlocking input of output circuit as
BMS4; BMS 4 is unusual according to detecting high pressure interlocking incoming signal, then sends control signal cut off high contactless switch 5.
Above embodiment guarantees when automobile bumps that for double software and hardware protective circuit in time cut off high system and Full Vehicle System is connected.Simultaneously, the redundant dress of this electrokinetic cell system collision safety can be in parallelly connected several above-mentioned hard protective circuit or soft protective circuits between safety airbag ECU 2 and the BMS 4.The Redundancy Design that two-way soft or hard protective circuit combines is an optimization model.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as
crash sensor1, safety airbag ECU 2,
HCU3,
BMS4, high voltage connector 5,
electronic switch6, CAN bus 7, storage battery 8, High-Voltage Electrical Appliances 9 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (8)
1. the safe redundant apparatus of an automobile power cell system; Comprise safety airbag ECU (2), BMS (4) and the storage battery that is connected car load High-Voltage Electrical Appliances (9) (8); It is characterized in that; Described safety airbag ECU (2) is connected with crash sensor (1); Described BMS (4) is connected with and is used to cut off the high voltage connector (5) that storage battery (8) is given car load High-Voltage Electrical Appliances (9) power supply; The main contact of described high voltage connector (5) connects BMS (4); The secondary contact of high voltage connector (5) are series between storage battery (8) and the High-Voltage Electrical Appliances (9), are connected with two paths of signals processing module at least between safety airbag ECU (2) and the BMS (4), and described safety airbag ECU (2) is used to receive the handled signal that the detected collision alarm of crash sensor (1) handles back formation through signal processing module and transmits to BMS (4); Described BMS (4) is used for after receiving processing signals, sending the main contact of control signal cut off high contactless switch (5), and the secondary contact of high voltage connector (5) break off.
2. automobile power cell according to claim 1 system collision safety redundant apparatus; It is characterized in that; Described signal processing module comprises HCU (3); Described safety airbag ECU (2), HCU (3) and BMS (4) are connected through CAN bus (7) respectively successively; The input port of described safety airbag ECU (2) is connected with crash sensor (1), and described BMS (4) delivery port is connected with high voltage connector (5), and described BMS also is used to receive the collision information that the safety airbag ECU of HCU through the CAN bus transfer receive of flowing through.
3. automobile power cell according to claim 1 system collision safety redundant apparatus; It is characterized in that; Described signal processing module comprises electronic switch (6); The delivery port of described safety airbag ECU (2) connects electronic switch (6) through lead; The input port of described BMS (4) also connects electronic switch (6) through lead, and described safety airbag ECU (2) is used to receive collision information and sends level signal and is transferred to electronic switch (6) through lead, and described electronic switch (6) action is broken off and being imported as BMS (4) high pressure interlocking.
4. automobile power cell according to claim 2 system collision safety redundant apparatus; It is characterized in that; HCU (3) comprises CAN communication input, output processing unit; The CAN communication input processing unit of described HCU (3) is through CAN bus (7) attachment security air bag ECU (2); The CAN of HCU (3) communication output processing unit connects BMS (4) through CAN bus (7), and described CAN communication input, output processing unit are used to handle communicating by letter between safety airbag ECU (2) and the BMS (4).
5. according to claim 1 or 2 or 3 or 4 described automobile power cell system collision safety redundant apparatus; It is characterized in that; Described BMS (4) comprises MCU control module, voltage sensor module, CAN transceiver module and relay output module, and described voltage sensor module, CAN transceiver module and relay output module are connected the MCU control module respectively.
6. automobile power cell according to claim 5 system collision safety redundant apparatus is characterized in that described relay output module connects high voltage connector (5), and described voltage sensor module connects electronic switch (6).
7. automobile power cell according to claim 5 system collision safety redundant apparatus is characterized in that, described CAN transceiver module connects the CAN communication output processing unit of HCU (3).
8. automobile power cell according to claim 6 system collision safety redundant apparatus is characterized in that described electronic switch (6) is relay or IGBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200150861U CN202480896U (en) | 2012-01-13 | 2012-01-13 | Safety redundancy device for automobile power battery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200150861U CN202480896U (en) | 2012-01-13 | 2012-01-13 | Safety redundancy device for automobile power battery system |
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ID=46955351
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| CN2012200150861U Expired - Fee Related CN202480896U (en) | 2012-01-13 | 2012-01-13 | Safety redundancy device for automobile power battery system |
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Cited By (17)
* Cited by examiner, † Cited by third party| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103568846A (en) * | 2013-10-30 | 2014-02-12 | 力帆实业(集团)股份有限公司 | High-voltage protection system and method for electric vehicle |
| CN103786583A (en) * | 2013-07-10 | 2014-05-14 | 惠州市亿能电子有限公司 | Battery management system (BMS) controlling high voltage output according to collision signals |
| CN104057828A (en) * | 2014-06-19 | 2014-09-24 | 奇瑞汽车股份有限公司 | Collision protection system and protection method thereof for high-voltage safety of electric/hybrid electric automobile |
| CN104553814A (en) * | 2013-10-11 | 2015-04-29 | 富士重工业株式会社 | Electric vehicle |
| CN104659869A (en) * | 2014-10-07 | 2015-05-27 | 中国第一汽车股份有限公司 | Balance control device, system and method for lithium-ion power battery |
| CN104890518A (en) * | 2014-03-07 | 2015-09-09 | 福特全球技术公司 | High voltage cutoff for electrified vehicles |
| CN105034833A (en) * | 2014-04-16 | 2015-11-11 | 株式会社万都 | Battery discharge preventing system for hybrid vehicle and battery discharge preventing method using the same |
| CN106093786A (en) * | 2016-06-30 | 2016-11-09 | 上海汽车集团股份有限公司 | Electric automobile collision high pressure power-off validation test method |
| WO2018191829A1 (en) * | 2017-04-18 | 2018-10-25 | 上海蔚来汽车有限公司 | Power disconnect system for transportation means having power supply system |
| CN110370939A (en) * | 2018-08-20 | 2019-10-25 | 天津京东深拓机器人科技有限公司 | Motor vehicle braking system |
| CN111731215A (en) * | 2020-08-03 | 2020-10-02 | 延锋伟世通电子科技（南京）有限公司 | New energy automobile collision protection fast response circuit |
| CN112217703A (en) * | 2019-07-09 | 2021-01-12 | 丰田自动车株式会社 | In-vehicle network system |
| WO2021082748A1 (en) * | 2019-10-31 | 2021-05-06 | 长城汽车股份有限公司 | Vehicle control device and system, and vehicle |
| 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 |
| CN113002304A (en) * | 2019-12-20 | 2021-06-22 | 联动天翼新能源有限公司 | Safety protection circuit for vehicle |
| CN114683877A (en) * | 2020-12-28 | 2022-07-01 | 长城汽车股份有限公司 | Power battery system and vehicle |
| WO2023078454A1 (en) * | 2021-11-08 | 2023-05-11 | 长春捷翼汽车科技股份有限公司 | High-voltage distribution box having open circuit trigger, collision initiation system, and electric vehicle |
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- 2012-01-13 CN CN2012200150861U patent/CN202480896U/en not_active Expired - Fee Related
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| CN103786583A (en) * | 2013-07-10 | 2014-05-14 | 惠州市亿能电子有限公司 | Battery management system (BMS) controlling high voltage output according to collision signals |
| CN104553814B (en) * | 2013-10-11 | 2016-05-11 | 富士重工业株式会社 | Electric vehicle |
| CN104553814A (en) * | 2013-10-11 | 2015-04-29 | 富士重工业株式会社 | Electric vehicle |
| CN103568846A (en) * | 2013-10-30 | 2014-02-12 | 力帆实业(集团)股份有限公司 | High-voltage protection system and method for electric vehicle |
| CN103568846B (en) * | 2013-10-30 | 2016-06-15 | 力帆实业(集团)股份有限公司 | High-voltage protective system of electric automobile and method |
| CN104890518B (en) * | 2014-03-07 | 2019-07-19 | 福特全球技术公司 | High voltage for electrified vehicle is cut off |
| CN104890518A (en) * | 2014-03-07 | 2015-09-09 | 福特全球技术公司 | High voltage cutoff for electrified vehicles |
| US10230231B2 (en) | 2014-03-07 | 2019-03-12 | Ford Global Technologies, Llc | High voltage cutoff for electrified vehicles |
| CN105034833A (en) * | 2014-04-16 | 2015-11-11 | 株式会社万都 | Battery discharge preventing system for hybrid vehicle and battery discharge preventing method using the same |
| CN105034833B (en) * | 2014-04-16 | 2018-02-23 | 株式会社万都 | The anti-locking system of battery discharge of motor vehicle driven by mixed power and the method using the system |
| US10166879B2 (en) | 2014-04-16 | 2019-01-01 | Mando Corporation | Battery discharge preventing system for hybrid vehicle and battery discharge preventing method using the same |
| CN104057828A (en) * | 2014-06-19 | 2014-09-24 | 奇瑞汽车股份有限公司 | Collision protection system and protection method thereof for high-voltage safety of electric/hybrid electric automobile |
| CN104659869A (en) * | 2014-10-07 | 2015-05-27 | 中国第一汽车股份有限公司 | Balance control device, system and method for lithium-ion power battery |
| CN106093786B (en) * | 2016-06-30 | 2019-06-04 | 上海汽车集团股份有限公司 | Electric automobile collision high pressure powers off validation test method |
| CN106093786A (en) * | 2016-06-30 | 2016-11-09 | 上海汽车集团股份有限公司 | Electric automobile collision high pressure power-off validation test method |
| WO2018191829A1 (en) * | 2017-04-18 | 2018-10-25 | 上海蔚来汽车有限公司 | Power disconnect system for transportation means having power supply system |
| CN110370939A (en) * | 2018-08-20 | 2019-10-25 | 天津京东深拓机器人科技有限公司 | Motor vehicle braking system |
| CN110370939B (en) * | 2018-08-20 | 2022-02-01 | 北京京东乾石科技有限公司 | Vehicle brake system |
| CN112217703B (en) * | 2019-07-09 | 2021-12-03 | 丰田自动车株式会社 | Vehicle-mounted network system |
| CN112217703A (en) * | 2019-07-09 | 2021-01-12 | 丰田自动车株式会社 | In-vehicle network system |
| WO2021082748A1 (en) * | 2019-10-31 | 2021-05-06 | 长城汽车股份有限公司 | Vehicle control device and system, and vehicle |
| US11970065B2 (en) | 2019-10-31 | 2024-04-30 | Great Wall Motor Company Limited | Vehicle control device, vehicle control system and vehicle |
| CN113002304A (en) * | 2019-12-20 | 2021-06-22 | 联动天翼新能源有限公司 | Safety protection circuit for vehicle |
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| WO2023078454A1 (en) * | 2021-11-08 | 2023-05-11 | 长春捷翼汽车科技股份有限公司 | High-voltage distribution box having open circuit trigger, collision initiation system, and electric vehicle |
| EP4431331A4 (en) * | 2021-11-08 | 2025-03-12 | Changchun Jetty Automotive Tech Co Ltd | HIGH-VOLTAGE DISTRIBUTION BOX WITH IDLE TRIGGER, COLLISION TRIGGER SYSTEM AND ELECTRIC VEHICLE |
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