CN202923541U - Equipment protection device of hybrid electric vehicle - Google Patents
Equipment protection device of hybrid electric vehicle Download PDFInfo
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- CN202923541U CN202923541U CN 201220546918 CN201220546918U CN202923541U CN 202923541 U CN202923541 U CN 202923541U CN 201220546918 CN201220546918 CN 201220546918 CN 201220546918 U CN201220546918 U CN 201220546918U CN 202923541 U CN202923541 U CN 202923541U
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Abstract
The utility model provides an equipment protection device of a hybrid electric vehicle. The equipment protection device of the hybrid electric vehicle comprises a vehicle controller, an auxiliary control unit and at least one peripheral unit. Each peripheral unit is provided with a low-voltage return circuit which supplies power to the peripheral unit. The protection device further comprises a main relay electrically connected with the vehicle controller. The vehicle controller is used for controlling power-on or power-off of the main relay, when the main relay is powered on, the low-voltage return circuit normally works, and when the main relay is powered off, the low-voltage return circuit stops working; the vehicle controller is further used for communicating with the auxiliary control unit on the vehicle, when breakdown signals sent by the auxiliary control unit are received, and the main relay is in a power-off state, the main relay is controlled to be powered off. The equipment protection device of the hybrid electric vehicle can effectively protect the peripheral units of the vehicle controller in the electrifying initialization process or when the auxiliary control unit breaks down, and prolong service life of the equipment.
Description
Technical field
The utility model belongs to motor vehicle driven by mixed power electrical equipment control field, relates in particular to a kind of equipment protecting equipment of motor vehicle driven by mixed power.
Background technology
As everyone knows, entire car controller is the core component of hybrid vehicle, and it is equivalent to the heart of whole vehicle, is carrying the gordian technique of motor vehicle driven by mixed power.After the key switch closure of motor vehicle driven by mixed power, entire car controller need to first carry out initialization, then could power for external equipment, and for example for water pump provides low voltage, when guaranteeing that entire car controller sends control signal, water pump can work.if do not complete in the entire car controller initialization, power supply also will cause entire car controller output error control signal to external equipment, make the equipment cisco unity malfunction or cause device damage, this situation has had a strong impact on the startability of motor vehicle driven by mixed power, and when the attached control unit on vehicle sends breakdown signal, move according to predetermined control algorithm by microprocessor, signal is exported to external equipment from the digital output port, and then control their mode of operation, but this scheme is only come control convenience by the output signal of controller own, this is that the mode of operation of equipment can not be further determined in an open loop control, reliability is lower.Therefore, need to power on or attached control unit when sending breakdown signal to entire car controller at entire car controller, external equipment is effectively protected.
The utility model content
The utility model is intended to solve in prior art can not be effectively carry out the effectively technical matters of protection to the external equipment of entire car controller on motor vehicle driven by mixed power; a kind of equipment protecting equipment of motor vehicle driven by mixed power is provided; can be effectively entire car controller external equipment be protected during attached control unit et out of order in the power-up initializing process or on vehicle; effectively avoided the device Errors operation and et out of order, the service life of extension device.
The utility model provides a kind of equipment protecting equipment of motor vehicle driven by mixed power, comprise entire car controller, attached control unit and a plurality of external equipment, described each external equipment has respectively the low tension loop to its power supply, and described fender guard also comprises a main relay that is electrically connected to described entire car controller;
Described entire car controller is used for controlling main relay disconnection or closed, and when main relay is closed, described low tension loop normal operation; When main relay disconnected, described low tension loop quit work;
Described entire car controller, also be used for vehicle on attached control unit carry out communication, when receiving breakdown signal that attached control unit sends and main relay and be in closure state, control main relay and disconnect.
Preferably, described equipment protecting equipment also comprises low potential source and a plurality of from relay, is connected in series respectively one in the low tension loop of each external equipment from relay, and low potential source is connected to each from the control end of relay and forms the loop by main relay;
Described entire car controller is electrically connected to the control end of main relay, is used for controlling main relay disconnection or closed;
Described low potential source is used for when main relay is closed, gives the control end power supply from relay, and from relay closes the time, should be from the low tension loop normal operation at relay place; When main relay disconnects, stop to the control end power supply from relay, and when disconnecting from relay, this low tension loop from the relay place quits work.
Preferably, described low potential source is electrically connected to entire car controller, described entire car controller comprises main control chip and the digital output module that is electrically connected to main control chip, and described main relay control end, digital output module and low potential source mutually are connected in series and form the loop.
Preferably, described external equipment comprises the open loop control convenience, in the low tension loop of open loop control convenience, serial connection first is from relay, and described low potential source, main relay, the first control end and described digital output module from relay are connected in series and form the loop.
Preferably, described entire car controller also comprises the digital quantity input module that is electrically connected to main control chip, described external equipment also comprises closed loop control equipment, in the low tension loop of closed loop control equipment, serial connection second is from relay, described low potential source, main relay and the second control end from relay are connected in series and form the loop, and described closed loop control equipment also is electrically connected to respectively with described digital output module and digital quantity input module.
Preferably, described external equipment also comprises signal lamp, and described signal lamp and main relay, low potential source and digital output module are connected in series and form the loop.
Preferably; described entire car controller also comprises the CAN communication module that is electrically connected to main control chip; described equipment protecting equipment also comprises power battery management system, high-voltage relay; high-voltage relay is serially connected in the high-voltage interlocking loop of vehicle; one end of high-voltage relay control end is electrically connected to power battery management system; the other end is electrically connected to the digital output module, described CAN communication module and described power battery management system communication.
the above technical scheme, by increased relay protection circuit in hybrid vehicle system, between the external equipment of low tension battery and entire car controller, relay is set, changed traditional low tension battery for the design plan of normal electricity to entire car controller external equipment, when entire car controller power-up initializing and attached control unit et out of order, but control relay disconnects and stops powering to described external equipment, effectively avoided the external equipment error running, to entire car controller external equipment (water pump for example, vacuum pump etc.) play a protective role, prevent device Errors operation et out of order, the service life of extension device.Simultaneously, can effectively avoid the low tension battery electric weight too low, guarantee that motor vehicle driven by mixed power normally starts.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of equipment protecting equipment of the utility model motor vehicle driven by mixed power;
Fig. 2 is the structural representation of equipment protecting equipment second embodiment of the utility model motor vehicle driven by mixed power;
Fig. 3 is the method for work schematic flow sheet of a kind of embodiment of the utility model motor vehicle driven by mixed power equipment protecting equipment;
Fig. 4 is the method for work schematic flow sheet of the second embodiment of the utility model motor vehicle driven by mixed power equipment protecting equipment.
The specific embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the equipment protecting equipment of the motor vehicle driven by mixed power of a kind of embodiment that the utility model provides comprises entire car controller 100, attached control unit 900 and at least one external equipment, described each external equipment has respectively the low tension loop to its power supply, and described fender guard also comprises a main relay 300 that is electrically connected to described entire car controller 100; Attached control unit 900 described here refers to the attached control unit 900 except entire car controller on vehicle, as control unit of control unit of engine, motor control unit, clutch control unit, vehicle body control unit, external equipment etc.
Described entire car controller 100 is electrically connected to main relay 300, is used for controlling main relay 300 and disconnects or closure; When described main relay 300 is closed, the low tension loop normal operation of each external equipment, power supply makes the external equipment normal operation to the power supply on vehicle to external equipment; When described main relay 300 disconnected, the low tension loop of each external equipment quit work, and the power supply that cuts off to the external equipment power supply quits work external equipment; But external equipment described here comprises system or the parts of low-voltage power supply on vehicle, as gauge panel, and signal lamp, the equipment such as water pump.
Described entire car controller 100, also be used for vehicle on attached control unit 900 carry out communication, when receiving breakdown signal that attached control unit 900 sends and main relay 300 and be in closure state, control main relay 300 and disconnect.
In conjunction with shown in Figure 2; the equipment protecting equipment of the motor vehicle driven by mixed power of the second embodiment that the utility model provides; preferably; described equipment protecting equipment also comprises low potential source 200 and a plurality of from relay; be connected in series respectively one in the low tension loop of each external equipment from relay, low potential source 200 is connected to each from the control end of relay and forms the loop by main relay 300.Relay described here generally includes an input end, a mouth and a control end, when control end receives the Closed control signal, conducting between the input end of relay and mouth, electric current flows to mouth from input end, and control end is generally coil, and is can control relay closed or disconnect by controlling to coil power supply or power operation; Be connected in series respectively one in the low tension loop of each external equipment described here and refer to from relay, will be from the working end of relay, namely input end and the mouth from relay accesses this sequential circuit, but not from the control end of relay; Low potential source 200 is connected to each from the control end of relay and forms the loop by main relay 300 and refers to that input end, the mouth of low potential source 200 by main relay 300 is connected to the control end from relay.
Described entire car controller 100 is electrically connected to the control end of main relay 300, is used for controlling main relay 300 and disconnects or closure;
Described low potential source 200 is used for when main relay 300 is closed, gives the control end power supply from relay, and from relay closes the time, should be from the low tension loop normal operation at relay place; When main relay 300 disconnects, stop to the control end power supply from relay, and when disconnecting from relay, this low tension loop from the relay place quits work;
Described entire car controller 100 also is used for carrying out communication by the attached control unit 900 on CAN bus and vehicle, and when receiving the breakdown signal of attached control unit 900 transmissions, controls described main relay 300 and disconnect.
Originally be in embodiment, described entire car controller 100 comprises digital output module 102, digital quantity input module 104, analog input module 103, main control chip 101 and CAN communication module 105, and described digital output module 102, digital quantity input module 104, analog input module 103 and CAN communication module 105 are electrically connected to described main control chip 101 respectively.entire car controller 100 is by digital quantity input module 104, the residing traffic informations of hardware circuit collection vehicle such as analog input module 103 and CAN communication module 105, driver intention information, vehicle running state information with and the series of parameters such as running state information of equipment, all information that then will collect send described main control chip 101 to, after processing through main control chip, by relevant control port, as the quantity input port, carry out control algorithm, control signal is passed through the CAN communication module, CAN bus and digital output module 102 etc. are sent to power battery management system 800, engine management system and motor management systems etc., send to simultaneously the external equipment of entire car controller 100 to carry out in real time, reliably, the control of science.
Further, described external equipment comprises open loop control convenience 500 and closed loop control equipment 600, and so-called open loop control convenience refers to that entire car controller 100 can control this device action, but can not monitor the practice condition of this device action; So-called closed loop control equipment refers to that entire car controller 100 can control this device action, also can monitor the action executing situation of this equipment simultaneously.
as a kind of preferred embodiment, be connected in series first in the low tension loop of described open loop control convenience 500 from relay 410, first can control described low tension loop from the closure of relay 410 and carry out work by controlling this, by controlling the first disconnection from relay 410, can control described low tension loop quits work, preferably, adopting the 12V power supply in the low tension loop here is that open loop control convenience 500 is powered, when first when closed from relay 410, the 12V power supply is given described open loop control convenience 500 power supplies, described open loop control convenience 500 is started working, when disconnecting from relay 410 when first, the 12V power supply stops to described open loop control convenience 500 power supplies, and described open loop control convenience 500 quits work.
further, the described first control end from relay 410, the one end is electrically connected to the digital output module 102 of entire car controller 100, its other end is electrically connected to described low potential source 200 by main relay 300, described low potential source 200 is given described entire car controller 100 power supplies simultaneously, the control end of described main relay 300, the one end is electrically connected to digital output module 102, its other end is electrically connected to low potential source 200, setting by above technical scheme can obtain, described low potential source 200, the control end of entire car controller 100 and main relay 300 is connected in series and forms a loop, in this loop, low potential source 200 is given described entire car controller 100 power supplies, entire car controller 100 is controlled low potential source 200 to the control end power supply of described main relay 300 by digital output module 102 output control signals, thereby can control main relay 300 closures, entire car controller 100 can stop power supply for the control end of described main relay 300 by digital output module 102 output control signals control low potential sourcies 200 simultaneously, disconnects thereby can control main relay 300.described low potential source 200, entire car controller 100, first is connected in series from the control end of relay 410 and main relay 300 and forms another loop, in this loop, low potential source 200 is given described entire car controller 100 power supplies, in the situation that main relay 300 closures, entire car controller 100 is controlled low potential source 200 to the described first control end power supply from relay 410 by digital output module 102 output control signals, thereby can control first from relay 410 closures, the low tension loop of open loop control convenience 500 is started working provides operating voltage for open loop control convenience 500, in the situation that main relay 300 disconnects, low potential source 200, entire car controller 100, first quit work from the loop that control end and the main relay 300 of relay 410 are connected in series formation, the first control end dead electricity from relay 410, thereby make first to disconnect from relay 410, the low tension loop of open loop control convenience 500 quits work, and is cut to the operating voltage that open loop control convenience 500 provides.
As another kind of preferred embodiment, be connected in series second in the low tension loop of described closed loop control equipment 600 from relay 420, carry out work by controlling the second low tension loop that can control institute's closed loop control equipment 600 from the closure of relay 420, can control described low tension loop from the disconnection of relay 420 and quit work by controlling second.further, the described second control end from relay 420, the one end is electrically connected to described low potential source 200 by main relay 300, its other end ground connection, therefore, described low potential source 200, main relay 300 and the second control end from relay 420 are connected in series and form a loop, in this loop, in the situation that main relay 300 closures, low potential source 200 is given the described second control end power supply from relay 420 by main relay 300, second from relay 420 closures, the low tension loop of closed loop control equipment 600 is started working provides operating voltage for closed loop control equipment 600, in the situation that main relay 300 disconnects, low potential source 200 stops to the described second power supply from the control end of relay 420, the second control end dead electricity from relay 420, make second to disconnect from relay 420, the low tension loop of closed loop control equipment 600 quits work, thereby is cut to the operating voltage that closed loop control equipment 600 provides.Further, can adopt the 12V power supply in the low tension loop here is that closed loop control equipment 600 is powered, and perhaps directly powers for it by described low potential source.
Preferably, described closed loop control equipment 600 also is electrically connected to respectively with described digital output module 102 and digital quantity input module 104, entire car controller 100 can by the running state of digital output module 102 Control loop control conveniences, be monitored the action executing situation of described closed loop control equipment constantly and feed back to constantly main control chip 101 by digital quantity input module 105 simultaneously.
The equipment protecting equipment of described motor vehicle driven by mixed power also comprises signal lamp 700, described signal lamp 700 1 ends and main relay 300 and low potential source 200 are connected in series, the other end is electrically connected to digital output module 102, be that described low potential source 200, entire car controller 100, signal lamp 700 and main relay 300 mutually are connected in series and form the loop, situation in vehicle control unit controls main relay 300 closures, it is signal lamp 700 power supplies that entire car controller 100 is controlled low potential source 200 by digital output module 103, and signal lamp 700 is started working; Control at entire car controller 100 situation that main relay 300 disconnects, entire car controller 100 is controlled low potential source 200 by digital output module 103 and is stopped power supply for signal lamp 700, and signal lamp 700 quits work.
the equipment protecting equipment of described motor vehicle driven by mixed power also comprises power battery management system 800, high-voltage relay 430, high-voltage relay 430 is serially connected in the high-voltage interlocking loop of vehicle, the electrokinetic cell that can control on motor vehicle driven by mixed power is powered to the high-pressure system on vehicle, one end of the control end of high-voltage relay 430 is electrically connected to power battery management system 800, the other end is electrically connected to digital output module 102, described entire car controller device 100 can carry out communication by the attached control unit 900 on CAN communication module 105 and described power battery management system 800 and vehicle and receive constantly the failure message that attached control unit 900 sends.
when the motor vehicle driven by mixed power key switch is closed, entire car controller 100 powers on and carries out initialization, except self parameter will be completed initialization, it also needs to signal to attached control unit 900 by CAN communication module 105 and CAN bus, make attached control unit 900 also carry out initialization, then send the enable signal of closed high relay 430 and control high-voltage relay 430 closures, send at last the enable signal of closed main relay 300 to main relay, controlling main relay 300 reaches from relay closes, at this moment, there is low voltage to supply with the external equipment of entire car controller.when entire car controller normally moves, CPU is according to predetermined control method and operating strategy operation, export correct signal to each external equipment, control them and carry out work, but when attached control unit 900 sends emergency breakdown information and feeds back to entire car controller 100, entire car controller 100 sends by digital output module 102 the signal control main relay 300 that disconnects main relay 300 and disconnects, disconnect simultaneously thereby make from relay, the power supply voltage of turning off external equipment, guarantee the safety of external equipment, the fault of effectively having avoided the error running of external equipment to produce.
The preferred low tension battery that adopts of low potential source 200 during the above is implemented, the preferred C30 line that adopts of low potential source 200 provides low voltage to main relay 300.
The utility model also provides a kind of method of work of equipment protecting equipment of above-mentioned motor vehicle driven by mixed power, and as shown in Figure 3, described method of work comprises the following steps:
Step S100, the entire car controller power-up initializing; When the motor vehicle driven by mixed power key switch is closed, entire car controller 100 powers on and carries out initialization, also comprise in this step S100, described entire car controller 100 also sends initialization command by CAN communication module and CAN bus and carries out the power-up initializing operation to the attached control unit 900 on motor vehicle driven by mixed power.
step S200, entire car controller 100 is controlled low potential source 200 to the control end power supply of main relay 300 by digital output module 102, make described main relay 300 closures, because of main relay 300 closures, thereby give first to power respectively from the control end of relay 420 from the control end and second of relay 410, thereby make first from relay 410 and second from relay 420 closures, the low tension loop of open loop control convenience 500 is started working provides operating voltage for open loop control convenience 500, the simultaneously low tension loop of closed loop control equipment 600 is also started working provides operating voltage for closed loop control equipment 600.Simultaneously, due to main relay 300 closures, low potential source powers for described signal lamp 700, makes signal lamp 700 start working.At this moment, entire car controller 100 normally moves, and according to predetermined control method and operating strategy operation, exports correct signal to each external equipment, controls external equipment and carries out work.
Step S200 is that entire car controller 100 powers on and carries out carrying out after initialization is completed in step S100, if entire car controller 100 is not also completed power-up initializing, continues to wait for that entire car controller carries out power-up initializing until complete initialization operation.The detection whether entire car controller can reality be completed initialization by the program of establishing in self when initialization being detected and complete, enters step S200, transmits control signal and controls main relay 300 closures.
Step S300, when entire car controller 100 and external equipment normal operation, entire car controller 100 is monitored the mode of operation of attached control unit 900 on motor vehicle driven by mixed power constantly by digital quantity input module 104, and monitors constantly the breakdown signal that attached control unit 900 sends.
step S400, when entire car controller 100 receives the breakdown signal of attached control unit 900 transmissions, entire car controller 100 sends control signal control low potential source 200 by digital output module 102 to be stopped powering to the control end of main relay 300, thereby make main relay 300 disconnect, because main relay 300 quits work, low potential source 200 has also just stopped to described first from the control end of relay 410 and the second power supply from the control end of relay 420, thereby make first to disconnect respectively from relay 420 from relay 410 and second, the low tension loop of ring control convenience 500 quits work, the operating voltage that provides for open loop control convenience 500 has been provided, the simultaneously low tension loop of closed loop control equipment 600 also quits work to have cut off provides operating voltage for closed loop control equipment 600.Simultaneously, because main relay 300 disconnects, low potential source 200 stops powering to described signal lamp 700, makes signal lamp 700 quit work.Above method of operation has effectively been protected the job security of entire car controller 100 external equipment; when entire car controller 100 receives the emergency breakdown information of attached control unit 900 feedbacks; if power to external equipment always; main control chip carries out computing according to the mis-information that receives and the instruction that will misplace sends to each external equipment; to cause the external equipment error running; the serious external equipment that also can cause produces fault, dynamic property and the traveling comfort of the whole motor vehicle driven by mixed power of impact.
If entire car controller 100 does not receive the breakdown signal that attached control unit 900 sends, return to step S300 and continue attached control unit 900 is monitored.
Wherein, in the above embodiment, when controlling that main relay 300 disconnects or entire car controller 100 quits work, step finishes.Namely when entire car controller 100 receives the breakdown signal of attached control unit 900 transmissions, control main relay 300 and disconnect, and ending step, whole workflow finishes; Perhaps quit work when motor vehicle driven by mixed power, during as flame-out the parking, whole workflow finishes and restarts this method of work when waiting for next time vehicle launch.
Method of work as the another kind of embodiment of this equipment protecting equipment as shown in Figure 4, before step S200, after step S100, also comprises step S110, and entire car controller 100 is controlled described high-voltage relay 430 closures.When entire car controller 100 power-up initializings and attached control unit 900 power-up initializings are completed, entire car controller 100 carries out communication by CAN communication module 105 and CAN bus and electrokinetic cell 800, and the high pressure energy that sends closed high relay 430 makes signal to power battery management system, control high-voltage relay 430 closures, complete electrokinetic cell to the operation that powers on of high-pressure system on motor vehicle driven by mixed power.
Equally, preferably, when entire car controller 100 receives the breakdown signal of attached control unit 900 transmissions, entire car controller 100 sends control signal control low potential source 200 by digital output module 102 to be stopped powering to the control end of main relay 300, thereby make main relay 300 disconnect, turn-off the low-voltage power supply voltage of external equipment; In addition, when entire car controller 100 receives the breakdown signal that on motor vehicle driven by mixed power, attached control unit 900 sends, by CAN communication module 105 and CAN bus and power battery management system 800 communications, and send control signal and control described high-voltage relay 450 disconnections by power battery management system 800.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. the equipment protecting equipment of a motor vehicle driven by mixed power, comprise entire car controller, attached control unit and at least one external equipment, described each external equipment has respectively the low tension loop to its power supply, it is characterized in that, described fender guard also comprises a main relay that is electrically connected to described entire car controller;
Described entire car controller is used for controlling main relay disconnection or closed, and when main relay is closed, described low tension loop normal operation; When main relay disconnected, described low tension loop quit work;
Described entire car controller, also be used for vehicle on attached control unit carry out communication, when receiving breakdown signal that attached control unit sends and main relay and be in closure state, control main relay and disconnect.
2. the equipment protecting equipment of motor vehicle driven by mixed power according to claim 1, it is characterized in that, described equipment protecting equipment also comprises low potential source and a plurality of from relay, be connected in series respectively one in the low tension loop of each external equipment from relay, low potential source is connected to each from the control end of relay and forms the loop by main relay;
Described entire car controller is electrically connected to the control end of main relay, is used for controlling main relay disconnection or closed;
Described low potential source is used for when main relay is closed, gives the control end power supply from relay, and from relay closes the time, should be from the low tension loop normal operation at relay place; When main relay disconnects, stop to the control end power supply from relay, and when disconnecting from relay, this low tension loop from the relay place quits work.
3. the equipment protecting equipment of motor vehicle driven by mixed power according to claim 2; it is characterized in that; described low potential source is electrically connected to entire car controller; described entire car controller comprises main control chip and the digital output module that is electrically connected to main control chip, and described main relay control end, digital output module and low potential source mutually are connected in series and form the loop.
4. the equipment protecting equipment of motor vehicle driven by mixed power according to claim 3; it is characterized in that; described external equipment comprises the open loop control convenience; in the low tension loop of open loop control convenience, serial connection first is from relay, and described low potential source, main relay, the first control end and described digital output module from relay are connected in series and form the loop.
5. the equipment protecting equipment of motor vehicle driven by mixed power according to claim 3; it is characterized in that; described entire car controller also comprises the digital quantity input module that is electrically connected to main control chip; described external equipment also comprises closed loop control equipment; in the low tension loop of closed loop control equipment, serial connection second is from relay; described low potential source, main relay and the second control end from relay are connected in series and form the loop, and described closed loop control equipment also is electrically connected to respectively with described digital output module and digital quantity input module.
6. the equipment protecting equipment of motor vehicle driven by mixed power according to claim 3, is characterized in that, described external equipment also comprises signal lamp, and described signal lamp and main relay, low potential source and digital output module are connected in series and form the loop.
7. the equipment protecting equipment of motor vehicle driven by mixed power according to claim 3; it is characterized in that; described entire car controller also comprises the CAN communication module that is electrically connected to main control chip; described equipment protecting equipment also comprises power battery management system, high-voltage relay; high-voltage relay is serially connected in the high-voltage interlocking loop of vehicle; one end of high-voltage relay control end is electrically connected to power battery management system; the other end is electrically connected to the digital output module, described CAN communication module and described power battery management system communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546918 CN202923541U (en) | 2012-10-23 | 2012-10-23 | Equipment protection device of hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220546918 CN202923541U (en) | 2012-10-23 | 2012-10-23 | Equipment protection device of hybrid electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN202923541U true CN202923541U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220546918 Expired - Lifetime CN202923541U (en) | 2012-10-23 | 2012-10-23 | Equipment protection device of hybrid electric vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707772A (en) * | 2014-01-08 | 2014-04-09 | 上汽通用五菱汽车股份有限公司 | Upper and lower electricity control circuit for electromobile and method |
| CN103770775A (en) * | 2012-10-23 | 2014-05-07 | 广州汽车集团股份有限公司 | Equipment protecting device for hybrid power vehicle and working method thereof |
| CN113904332A (en) * | 2021-11-09 | 2022-01-07 | 江西清华泰豪三波电机有限公司 | Power supply circuit and power supply system |
| CN114174944A (en) * | 2019-07-30 | 2022-03-11 | 马自达汽车株式会社 | Vehicle-mounted power supply system |
-
2012
- 2012-10-23 CN CN 201220546918 patent/CN202923541U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103770775A (en) * | 2012-10-23 | 2014-05-07 | 广州汽车集团股份有限公司 | Equipment protecting device for hybrid power vehicle and working method thereof |
| CN103707772A (en) * | 2014-01-08 | 2014-04-09 | 上汽通用五菱汽车股份有限公司 | Upper and lower electricity control circuit for electromobile and method |
| CN103707772B (en) * | 2014-01-08 | 2016-04-06 | 上汽通用五菱汽车股份有限公司 | A kind of power-on and power-off control circuit of electronlmobil and method |
| CN114174944A (en) * | 2019-07-30 | 2022-03-11 | 马自达汽车株式会社 | Vehicle-mounted power supply system |
| CN113904332A (en) * | 2021-11-09 | 2022-01-07 | 江西清华泰豪三波电机有限公司 | Power supply circuit and power supply system |
| CN113904332B (en) * | 2021-11-09 | 2024-01-19 | 江西清华泰豪三波电机有限公司 | Power supply circuit and power supply system |
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