CN202923410U - High-voltage protection system of power battery and vehicle - Google Patents

High-voltage protection system of power battery and vehicle Download PDF

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Publication number
CN202923410U
CN202923410U CN2012205465336U CN201220546533U CN202923410U CN 202923410 U CN202923410 U CN 202923410U CN 2012205465336 U CN2012205465336 U CN 2012205465336U CN 201220546533 U CN201220546533 U CN 201220546533U CN 202923410 U CN202923410 U CN 202923410U
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China
Prior art keywords
control
relay
electrokinetic cell
unit
power supply
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Withdrawn - After Issue
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CN2012205465336U
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Chinese (zh)
Inventor
文凯
夏珩
裴锋
周玉山
江建山
罗宇亮
王俊华
苏建云
伊海霞
马逸行
王敏
覃兴琨
陈文静
郑银俊
王清泉
符兴锋
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN2012205465336U priority Critical patent/CN202923410U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The utility model provides a high-voltage protection system of a power battery. The high-voltage protection system of the power battery comprises a vehicle controller, a collision switch, a first relay, a second relay, a power battery management module and a power supply. The power battery management module comprises the power battery, a power battery controller and a third relay set, wherein the power battery is used for providing high-voltage power and the third relay set is connected with the power battery. The power supply, the first relay, the collision switch and the control end of the second relay are connected in series and in sequence to form a first control return circuit. The power supply, the second relay, the control end of the third relay and the power battery controller are connected in series and in sequence to form a second control return circuit. The high-voltage protection system of the power battery is high in reliability and development cost is not increased. The utility model further provides a vehicle which comprises the high-voltage protection system and a high-voltage system connected with the high-voltage protection system.

Description

A kind of high voltage protective system and vehicle of electrokinetic cell
Technical field
The utility model relates to the electrokinetic cell field, relates in particular to a kind of high voltage protective system and vehicle of electrokinetic cell.
Background technology
Along with the development of hybrid electric vehicle and battery-driven car, electrokinetic cell all has significant impact as the critical component of hybrid electric vehicle and battery-driven car to car load dynamic property, economy and safety.In order to satisfy the energy requirement on hybrid electric vehicle and battery-driven car, power battery pack be all usually by tens even up to a hundred cells be together in series as hybrid electric vehicle and battery-driven car provide energy, the total voltage of electrokinetic cell generally can reach 300V.Hybrid electric vehicle and battery-driven car are in collision process, the high voltage power battery, high-voltage connector and wire harness all might be by in collision processes, be extruded along with the distortion of vehicle or destroy, cause the generation of high-pressure system short circuit or electric leakage accident to cause that namely second accident occurs, therefore must guarantee that vehicle in collision case, in time disconnects the connection of high-pressure system, guarantee chaufeur and passenger's personal safety.
In existing, general by automatically controlled ECU unit (as power battery management system, electric machine controller) insulation-monitoring function, detect the generation whether short circuit or electric leakage accident are arranged, if find to have short circuit or electric leakage accident, quit work by automatically controlled ECU unit controls low-voltage control circuit, to disconnect the High voltage output of electrokinetic cell.But this scheme needs the logic judgement of automatically controlled ECU unit, and is slower opening time to the reaction of fault, and detection and the control loop of automatically controlled ECU unit, and after operation for a long time, reliability can reduce.another scheme is the collision alarm according to safety airbag ECU place's transmission, automatically controlled ECU unit controls low-voltage control circuit quits work, to disconnect the High voltage output of electrokinetic cell, but this scheme necessarily requires electronlmobil to dispose safety air bag, require simultaneously the collision sensing position of safety air bag must be consistent with the position of electrokinetic cell, consider that the current overwhelming majority is equipped with the vehicle of safety air bag, the collision sensing position generally all forwardly or sidepiece, and battery is arranged on the rear portion more, therefore this scheme can may cause the design modification of safety air bag, thereby cause cost of development to rise.
The utility model content
The purpose of this utility model is intended to solve at least one of above-mentioned technological deficiency, and a kind of high voltage protective system of electrokinetic cell is provided, and reliability is higher and can not increase cost of development.
The utility model provides a kind of high voltage protective system of electrokinetic cell, a kind of high voltage protective system of electrokinetic cell, it is characterized in that: described system comprises entire car controller, impact switch, the first relay, the second relay, electrokinetic cell administration module and power supply, described power supply, the first relay, impact switch and the second Control end are connected successively and are formed the first control loop, and described power supply, the second relay, electrokinetic cell administration module are connected successively and formed the second control loop; Wherein,
Entire car controller is electrically connected to the first Control end, is used for the first Control end that controls signal to of output closure or disconnection;
Power supply is used for when the first relay closes and impact switch closure the control end power supply of giving the second relay; When the first relay disconnection or impact switch disconnection, stop to the second Control end power supply;
The electrokinetic cell administration module is used for when power supply during to the second Control end power supply, the output high-tension current, and power supply stops exporting high-tension current when stopping powering to the second Control end.
Further, the digital output unit that described entire car controller comprises main control unit and is electrically connected to main control unit, the first Control end is electrically connected to digital output unit and power supply respectively.
Further, described entire car controller also comprises the first detecting unit that is electrically connected to main control unit; The first detecting unit is for detection of the mode of operation of the first control loop; Main control unit, also be used for when the first detecting unit normal to the first control loop, and the digital output unit is not when exporting closure signal to the first Control end, the abnormal signal of output the first relay.
Further, the input end of the first detecting unit is connected between described impact switch and the second Control end.
Further, described electrokinetic cell administration module comprises electrokinetic cell, the electrokinetic cell controller that high-tension current can be provided and the 3rd relay group that is connected with described electrokinetic cell, and described power supply, the second relay, the 3rd relay group control end, electrokinetic cell controller are connected successively and formed the second control loop;
The electrokinetic cell controller is electrically connected to the 3rd relay group control end, is used for the 3rd relay group control end that controls signal to of output closure or disconnection;
Described power supply also is used for powering for the 3rd relay group control end when power supply receives the closure signal of electrokinetic cell controller to the second relay power supply and the 3rd relay group control end;
Described electrokinetic cell is used for when power supply during to the 3rd relay group control end power supply, the output high-tension current, and power supply stops exporting high-tension current when stopping powering to the 3rd relay group control end.
Further, described electrokinetic cell controller comprises electrokinetic cell control unit, high-voltage positive electrode digital output unit, high voltage negative digital output unit and high pressure preliminary filling digital output unit, and described the 3rd relay group comprises high-voltage positive electrode relay, high voltage negative relay and the high pressure preliminary filling relay that electrokinetic cell respectively connects;
The electrokinetic cell control unit is used for powering on when normal when the electrokinetic cell administration module, obtains the control signal of closure, otherwise the control signal that obtains disconnecting;
High-voltage positive electrode digital output unit is connected with high-voltage positive electrode Control end, is used for the control signal electrokinetic cell control unit is closed or that disconnect and exports high-voltage positive electrode Control end to;
High voltage negative digital output unit is connected with high voltage negative Control end, is used for the control signal electrokinetic cell control unit is closed or that disconnect and exports high voltage negative Control end to;
High pressure preliminary filling digital output unit is connected with high pressure preliminary filling Control end, is used for the control signal electrokinetic cell control unit is closed or that disconnect and exports high pressure preliminary filling Control end to.
Further, described electrokinetic cell controller also comprises electrokinetic cell control unit, the second detecting unit and the 3rd detecting unit;
The second detecting unit is for detection of the mode of operation of the first control loop;
The 3rd detecting unit is for detection of the mode of operation of the second control loop;
The electrokinetic cell control unit is used for quitting work when the first control loop, and during the normal operation of the second control loop, the abnormal signal of output the second relay.
Further, the input end of described the second detecting unit is connected between described impact switch and the second Control end, and the input end of the 3rd detecting unit is connected between the second relay and the 3rd relay group control end.
Further, described electrokinetic cell administration module also comprises electrokinetic cell high-voltage interlocking unit, and described electrokinetic cell high-voltage interlocking units in series is between described impact switch and the second Control end.
Further, described system comprises at least one high-voltage interlocking unit that is connected between described impact switch and the second Control end.
The utility model also provides a kind of vehicle, comprises above-mentioned high voltage protective system and the high-pressure system that is connected with described high voltage protective system;
Described high voltage protective system is used for when collision happens, and impact switch disconnects, and the electrokinetic cell of described high voltage protective system stops powering to described high-pressure system.
Can find out from above-mentioned scheme, when impact switch disconnects, connection by the two-stage control loop disconnects, just can be so that electrokinetic cell can't be exported high-tension current, do not need the logic judgement of automatically controlled ECU unit, just can prevent that reliability is higher and can not increase cost of development due to the second accident of high-pressure system short circuit or electric leakage generation.
Description of drawings
Fig. 1 is the structured flowchart of high voltage protective a kind of embodiment of system of the utility model electrokinetic cell;
Fig. 2 is the structured flowchart of the high voltage protective another kind of embodiment of system of the utility model electrokinetic cell.
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.
The utility model provides the high voltage protective system of the electrokinetic cell of a kind of embodiment, as shown in Figure 1, described system comprises entire car controller 1, impact switch 2, the first relay 3, the second relay 4, electrokinetic cell administration module 5 and power supply 6, described power supply 6, the first relay 3, impact switch 2 and the second Control end are connected successively and are formed the first control loop, and described power supply 6, the second relay 4, electrokinetic cell administration module 5 are connected successively and formed the second control loop;
Entire car controller 1 is electrically connected to the first relay 3 control ends, is used for first relay 3 control ends that control signal to of output closure or disconnection;
Electrokinetic cell controller 52 is electrically connected to the 3rd relay group 53 control ends, is used for the 3rd relay group 53 control ends that control signal to of output closure or disconnection;
Power supply 6, be used for when the first relay 3 closures and impact switch 2 closure, give the control end power supply of the second relay, and when power supply 6 is given the control end power supply of the second relay 4 when the second relay 4 is closed, electrokinetic cell administration module 5 output HIGH voltages, that is to say closed when the second relay 4 and the 3rd relay group 53 control ends when receiving the closure signal of electrokinetic cell controller 52, give the 3rd relay group 53 control ends power supplies; When the first relay 3 disconnections or impact switch 2 disconnection, stop to the second relay 4 control ends power supplies, electrokinetic cell administration module 5 stops output HIGH voltage so at this moment.
In concrete enforcement, as shown in Figure 1, when electrokinetic cell administration module 5 comprises be used to the electrokinetic cell 51 that high-tension current is provided, electrokinetic cell controller 52 and during with the 3rd relay group 53 that described electrokinetic cell 51 is connected, described power supply 6, the second relay 4, the 3rd relay group 53 control ends, electrokinetic cell controller 52 are connected successively and formed the second control loop;
Electrokinetic cell controller 52 is electrically connected to the 3rd relay group 53 control ends, is used for the 3rd relay group 53 control ends that control signal to of output closure or disconnection;
Described power supply 6 also is used for when power supply 6 receives the closure signal of electrokinetic cell controller 52 to the second relay 4 power supplies and the 3rd relay group 53 control ends, and giving the 3rd relay group 53 control ends power supplies is the 3rd relay group 53 closures;
Described electrokinetic cell 51, be used for when power supply 6 is the 3rd relay group 53 closure to the 3rd relay group 53 control end power supplies, the output high-tension current, and power supply 6 stops exporting high-tension current when stopping that namely the 3rd relay group 53 disconnects to the 3rd relay group 53 control ends power supplies.
The relay 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, by the closed or control signal that disconnects to coil, with the operation that coil is powered or cut off the power supply, thereby control relay is closed or disconnection.Control end when relay is electrically connected to the control unit of power supply and relay respectively in addition, need the closed control signal of control unit output, power supply just can be powered to relay, relay just can be in closed conducting state, when control unit was not exported closed control signal or power supply and connected one of them condition and do not satisfy, relay will disconnect.And when the control end of relay is connected with VDD-to-VSS respectively, do not need control signal, and power supply also can be powered to relay, and relay just is in closed conducting state so.
Due to after entire car controller 1 power-on self-test completes, if all states are normal, entire car controller 1 just can be exported closed first relay 3 control ends that control signal to, the first relay 3 closures, when initial condition, impact switch 2 is also closed, and the second relay 4 control ends are connected in the first control loop, the second relay 4 will inevitably be closed, and therefore the first control loop is in running order.Electrokinetic cell controller 52 also can carry out power-on self-test simultaneously, if after self check is completed, all states are normal, electrokinetic cell controller 52 also can be exported closed the 3rd relay group 53 control ends that control signal to, the 3rd relay group 53 closures, this moment, the second control loop was also in running order, when the 3rd relay group 53 closure, electrokinetic cell 51 could provide high-tension current to high-pressure system by the 3rd relay group 53, powers on thereby make hybrid electric vehicle or battery-driven car complete high-tension current.If but in the process of Vehicle Driving Cycle, when crashing, impact switch 2 is because the force of inertia effect in collision process disconnects, therefore first control loop at impact switch 2 places quits work, the second relay 4 also just disconnects so, second control loop at the second relay 4 places also must disconnect, and electrokinetic cell 51 also just can't provide high-tension current and avoid the generation of second accident to high-pressure system.
Can find out from such scheme, when impact switch 2 disconnects, connection by the two-stage control loop disconnects, just can be so that electrokinetic cell can't be exported high-tension current, do not need the logic judgement of automatically controlled ECU unit, just can prevent that reliability is higher and can not increase cost of development due to the second accident of high-pressure system short circuit or electric leakage generation.
In concrete enforcement, Fig. 2 is the high voltage protective system of the electrokinetic cell of another kind of embodiment.As shown in Figure 2, described entire car controller 1 comprises main control unit 11, the digital output unit 12 that is electrically connected to main control unit 11 and the first detecting unit 13 that is electrically connected to main control unit 11, main control unit 11 exports control signal closed or that disconnect to first relay 3 control ends by digital output unit 12, and the first relay 3 control ends are electrically connected to digital output unit 12 and power supply 6 respectively.The first detecting unit 13 is for detection of the mode of operation of the first control loop, the input end of the first detecting unit 13 is connected between described impact switch and the second Control end, the mouth of the first detecting unit 13 is connected with main control unit 11, with the State-output that detects to main control unit 11.main control unit 11 also is used for the first control loop normal operation being detected when the first detecting unit 13, and when closure signal to the first relay 3 control end is not exported in digital output unit 12, export the abnormal signal of the first relay 3 to the vehicle trouble system, that is to say, when digital output unit 12 during for output closure signal to the first relay 3 control end, the first relay 3 can't conducting, if but the first control loop normal operation detected, illustrate that the first relay 3 must be conducting, when not receiving the Closed control signal, the first relay 3 is with regard to conducting, illustrate that the first relay 3 occurs bonding, break down.In order to improve high voltage protective Security of the system and reliability, the abnormal signal of main control unit 11 output the first relays 3 is changed the first relay 3 to the vehicle trouble system with request.
In concrete enforcement, power supply 6 can be a low potential source, can be also two power supplys.As shown in Figure 2, power supply 6 comprises that the first low potential source 61 and the second low potential source 62, the first low potential sourcies 61 are connected in the first control loop, and the second low potential source 62 is connected in the second control loop.
Preferably, as shown in Figure 2, described electrokinetic cell controller 52 comprises electrokinetic cell control unit 521, high-voltage positive electrode digital output unit 522, high voltage negative digital output unit 523 and high pressure preliminary filling digital output unit 524, and described the 3rd relay group 53 comprises high-voltage positive electrode relay 531, high voltage negative relay 532 and the high pressure preliminary filling relay 533 that electrokinetic cell respectively connects;
Electrokinetic cell control unit 521 is used for powering on when normal when the electrokinetic cell administration module, obtains the control signal of closure, otherwise the control signal that obtains disconnecting;
High-voltage positive electrode digital output unit 522 is connected with high-voltage positive electrode relay 531 control ends, is used for exporting the control signal of electrokinetic cell control unit 521 closures or disconnection to high-voltage positive electrode Control end;
High voltage negative digital output unit 523 is connected with high voltage negative relay 532 control ends, is used for exporting the control signal of electrokinetic cell control unit 521 closures or disconnection to high voltage negative Control end;
High pressure preliminary filling digital output unit 524 is connected with high pressure preliminary filling relay 533 control ends, is used for exporting the control signal of electrokinetic cell control unit 521 closures or disconnection to high pressure preliminary filling Control end.
Further, described electrokinetic cell controller 52 also comprises the second detecting unit 525 and the 3rd detecting unit 526, the second detecting unit 525 detects the mode of operation of the first control loop, the input end of described the second detecting unit 525 is connected between described impact switch 2 and the second Control end, and the mouth of described the second detecting unit 525 is connected with electrokinetic cell control unit 521;
The 3rd detecting unit 526 detects the mode of operation of the second control loop, the input end of the 3rd detecting unit is connected between the second relay 4 and the 3rd relay group 53 control ends, and the mouth of described the 3rd detecting unit 526 is connected with electrokinetic cell control unit 521;
Electrokinetic cell control unit 521 also is used for quitting work when the first control loop, and during the normal operation of the second control loop, the abnormal signal of output the second relay 4.
in concrete enforcement, electrokinetic cell control unit 521 carries out power-on self-test, if after self check is completed, all states are normal, electrokinetic cell control unit 521 is by high-voltage positive electrode digital output unit 522, it is high-voltage positive electrode relay 531 that high voltage negative digital output unit 523 and high pressure preliminary filling digital output unit 524 export the control signal of closure to the 3rd relay group 53 control ends, high voltage negative relay 532 and high pressure preliminary filling relay 533 control ends, high-voltage positive electrode relay 531, high voltage negative relay 532 and high pressure preliminary filling relay 533 control ends are closed, this moment, the second control loop was also in running order, when the 3rd relay group 53 closure, electrokinetic cell 51 provides high pressure to high-pressure system, thereby make hybrid electric vehicle or battery-driven car complete powering on of high-tension current.If quit work but the second detecting unit 525 and the 3rd detecting unit 526 detect the first control loop, but during the second control loop normal operation, due to the first out-of-work words of control loop, the second control loop is impossible work, therefore illustrate that the second relay 4 occurs bonding, break down.In order to improve high voltage protective Security of the system and reliability, the abnormal signal of electrokinetic cell control unit 521 output the second relays 4 is changed the second relay 4 to the vehicle trouble system with request.
In concrete enforcement, because electrokinetic cell is high-pressure system, therefore described electrokinetic cell administration module 5 also comprises electrokinetic cell high-voltage interlocking unit 56, described electrokinetic cell high-voltage interlocking unit 56 is connected between described impact switch 2 and the second relay 4 control ends, namely is connected in the first control loop.Described high-pressure system refers to need in vehicle to access the parts of electrokinetic cell high pressure, can be electric machine controller, motor, and the electric air-conditioning compressor, DC/DC etc. are herein with needing to access all parts of electrokinetic cell high pressure in high-pressure system general reference electronlmobil.Should comprise the high-voltage interlocking device in high-pressure system, therefore according to the quantity of high-pressure system, described system also comprises at least one high-voltage interlocking unit that is connected between described impact switch 2 and the second relay 4 control ends, in the present embodiment, the high-voltage interlocking unit is two, the first high-voltage interlocking unit 7 and the second high-voltage interlocking unit 8 are connected on described impact switch 2 and electrokinetic cell high-voltage interlocking unit 56, are also to be connected in the first control loop.
Preferably, for the testing result that makes the first detecting unit 13, the second detecting unit 525 and the 3rd detecting unit 526 more accurate, the input end of described the first detecting unit 13 is connected between the control end of electrokinetic cell high-voltage interlocking unit 56 and the second relay 4, the input end of described the second detecting unit 525 is also to be connected between the control end of electrokinetic cell high-voltage interlocking unit 56 and the second relay 4, can better detect the state of the first control loop.The 3rd detecting unit 526 is connected between the second relay 4 and high-voltage positive electrode relay 531, high voltage negative relay 532 and high pressure preliminary filling relay 533 control ends, can better detect the state of the second control loop.
When system carries out power-on self-test and all states when normal, main control unit 11 by 12 outputs of digital output unit closed control signal to the first relay 3 control ends, the first relay 3 closures, when initial condition, impact switch 2, the first high-voltage interlocking unit 7, the second high-voltage interlocking unit 8 and electrokinetic cell high-voltage interlocking unit 56 are also closed, the second relay 4 control ends are connected in the first control loop, the second relay 4 will inevitably be closed, and therefore the first control loop is in running order.simultaneously electrokinetic cell administration module 5 also can carry out power-on self-test and all states when normal, electrokinetic cell control unit 521 is by high-voltage positive electrode digital output unit 522, high voltage negative digital output unit 523 and high pressure preliminary filling digital output unit 524 export the control signal of closure to high-voltage positive electrode relay 531 respectively, high voltage negative relay 532 and high pressure preliminary filling relay 533 control ends, high-voltage positive electrode relay 531, high voltage negative relay 532 and high pressure preliminary filling relay 533 are all closed, this moment, the second control loop was also in running order, when high-voltage positive electrode relay 531, when high voltage negative relay 532 and high pressure preliminary filling relay 533 equal closure, electrokinetic cell 51 is by high-voltage positive electrode relay 531, high voltage negative relay 532 and high pressure preliminary filling relay 533 provide high-tension current to high-pressure system, thereby making hybrid electric vehicle or battery-driven car complete high-tension current powers on.if but in the process of Vehicle Driving Cycle, when crashing, impact switch 2 is because the force of inertia effect in collision process disconnects, therefore first control loop at impact switch 2 places quits work, the second relay 4 also just disconnects so, second control loop at the second relay 4 places also must disconnect, electrokinetic cell 51 also just can't provide high-tension current to high-pressure system, thereby after collision case occurs, second accident due to high-pressure system short circuit or electric leakage generation, and due to after the collision case generation, annexation by the two-stage control loop, just high-tension current can be disconnected, the conducting speed of circuit is fast and reliability is high, make the reliability of this protection system higher and can not increase cost of development.
The utility model also provides a kind of vehicle, comprises above-mentioned high voltage protective system and the high-pressure system that is connected with described high voltage protective system;
Described high voltage protective system is used for when collision happens, and impact switch disconnects, and the electrokinetic cell of described high voltage protective system stops powering to described high-pressure system.
Due to when the collision happens; impact switch disconnects; connection by the two-stage control loop disconnects; just can be so that electrokinetic cell can't be exported high-tension current; the electrokinetic cell of described high voltage protective system also just stops to described high-pressure system power supply; do not need the logic judgement of automatically controlled ECU unit, just can prevent the second accident due to high-pressure system short circuit or electric leakage generation, so the reliability of vehicle is higher and can not increase cost of development.
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 (11)

1. the high voltage protective system of an electrokinetic cell, it is characterized in that: described system comprises entire car controller, impact switch, the first relay, the second relay, electrokinetic cell administration module and power supply, described power supply, the first relay, impact switch and the second Control end are connected successively and are formed the first control loop, and described power supply, the second relay, electrokinetic cell administration module are connected successively and formed the second control loop; Wherein,
Entire car controller is electrically connected to the first Control end, is used for the first Control end that controls signal to of output closure or disconnection;
Power supply is used for when the first relay closes and impact switch closure the control end power supply of giving the second relay; When the first relay disconnection or impact switch disconnection, stop to the second Control end power supply;
The electrokinetic cell administration module is used for when power supply during to the second Control end power supply, the output high-tension current, and power supply stops exporting high-tension current when stopping powering to the second Control end.
2. the system as claimed in claim 1 is characterized in that: the digital output unit that described entire car controller comprises main control unit and is electrically connected to main control unit, and the first Control end is electrically connected to digital output unit and power supply respectively;
Main control unit is used for powering on when normal when system, obtains the control signal of closure, otherwise the control signal that obtains disconnecting.
3. system as claimed in claim 2, it is characterized in that: described entire car controller also comprises the first detecting unit that is electrically connected to main control unit;
The first detecting unit is for detection of the mode of operation of the first control loop;
Main control unit also is used for the first control loop normal operation being detected when the first detecting unit, and the digital output unit is not when exporting closure signal to the first Control end, the abnormal signal of output the first relay.
4. system as claimed in claim 2, it is characterized in that: the input end of the first detecting unit is connected between described impact switch and the second Control end.
5. as the described system of claim 1-4 any one, it is characterized in that: described electrokinetic cell administration module comprises electrokinetic cell, the electrokinetic cell controller that high-tension current can be provided and the 3rd relay group that is connected with described electrokinetic cell, and described power supply, the second relay, the 3rd relay group control end, electrokinetic cell controller are connected successively and formed the second control loop;
The electrokinetic cell controller is electrically connected to the 3rd relay group control end, is used for the 3rd relay group control end that controls signal to of output closure or disconnection;
Described power supply also is used for powering for the 3rd relay group control end when power supply receives the closure signal of electrokinetic cell controller to the second relay power supply and the 3rd relay group control end;
Described electrokinetic cell is used for when power supply during to the 3rd relay group control end power supply, the output high-tension current, and power supply stops exporting high-tension current when stopping powering to the 3rd relay group control end.
6. system as claimed in claim 5, it is characterized in that: described electrokinetic cell controller comprises electrokinetic cell control unit, high-voltage positive electrode digital output unit, high voltage negative digital output unit and high pressure preliminary filling digital output unit, and described the 3rd relay group comprises high-voltage positive electrode relay, high voltage negative relay and the high pressure preliminary filling relay that electrokinetic cell respectively connects;
The electrokinetic cell control unit is used for powering on when normal when the electrokinetic cell administration module, obtains the control signal of closure, otherwise the control signal that obtains disconnecting;
High-voltage positive electrode digital output unit is connected with high-voltage positive electrode Control end, is used for the control signal electrokinetic cell control unit is closed or that disconnect and exports high-voltage positive electrode Control end to;
High voltage negative digital output unit is connected with high voltage negative Control end, is used for the control signal electrokinetic cell control unit is closed or that disconnect and exports high voltage negative Control end to;
High pressure preliminary filling digital output unit is connected with high pressure preliminary filling Control end, is used for the control signal electrokinetic cell control unit is closed or that disconnect and exports high pressure preliminary filling Control end to.
7. system as claimed in claim 6, it is characterized in that: described electrokinetic cell controller also comprises electrokinetic cell control unit, the second detecting unit and the 3rd detecting unit;
The second detecting unit is for detection of the mode of operation of the first control loop;
The 3rd detecting unit is for detection of the mode of operation of the second control loop;
The electrokinetic cell control unit is used for quitting work when the first control loop, and during the normal operation of the second control loop, the abnormal signal of output the second relay.
8. system as claimed in claim 7, it is characterized in that: the input end of described the second detecting unit is connected between described impact switch and the second Control end, and the input end of the 3rd detecting unit is connected between the second relay and the 3rd relay group control end.
9. system as claimed in claim 5 is characterized in that: described electrokinetic cell administration module also comprises electrokinetic cell high-voltage interlocking unit, and described electrokinetic cell high-voltage interlocking units in series is between described impact switch and the second Control end.
10. the system as claimed in claim 1 is characterized in that: described system comprises at least one high-voltage interlocking unit that is connected between described impact switch and the second Control end.
11. a vehicle is characterized in that: comprise as the described high voltage protective of claim 1-10 any one system with as described in the high-pressure system that is connected of high voltage protective system;
Described high voltage protective system is used for when collision happens, and impact switch disconnects, and the electrokinetic cell of described high voltage protective system stops powering to described high-pressure system.
CN2012205465336U 2012-10-23 2012-10-23 High-voltage protection system of power battery and vehicle Withdrawn - After Issue CN202923410U (en)

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CN103507642A (en) * 2013-09-13 2014-01-15 郑州宇通客车股份有限公司 Electric defrosting energy-saving control system, electric defrosting energy-saving control method and electric automobile using the system
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
CN103754116A (en) * 2014-01-26 2014-04-30 北京智行鸿远汽车技术有限公司 Lower short-circuit protection system and method of inverter under abnormal condition of new energy automobile
CN104377684A (en) * 2013-08-13 2015-02-25 上海汽车集团股份有限公司 Interlocking detecting circuit, system and method of high-voltage parts
CN103770655B (en) * 2012-10-23 2015-07-29 广州汽车集团股份有限公司 A kind of high voltage protective system of electrokinetic cell and vehicle
CN104960423A (en) * 2015-05-21 2015-10-07 东南(福建)汽车工业有限公司 Control circuit for high-voltage power utilization safety of electric vehicle
CN105083047A (en) * 2015-07-28 2015-11-25 北汽福田汽车股份有限公司 Control system of electric vehicle and electric vehicle
CN105270181A (en) * 2014-06-25 2016-01-27 广州汽车集团股份有限公司 Intermediate relay control device, and control method thereof, and high-voltage power-down control method
CN106080453A (en) * 2016-08-05 2016-11-09 广东亿鼎新能源汽车有限公司 The battery switched system of electric automobile
CN106671781A (en) * 2015-11-06 2017-05-17 北汽福田汽车股份有限公司 Control method of high-pressure loop of vehicle, system, and vehicle
CN106799968A (en) * 2015-11-26 2017-06-06 河北优控新能源科技有限公司 Motor vehicle driven by mixed power high-voltage interlocking loop based on security strategy(HVIL)Design
CN107031429A (en) * 2015-11-03 2017-08-11 福特全球技术公司 Vehicular charging termination system and method

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CN103770655B (en) * 2012-10-23 2015-07-29 广州汽车集团股份有限公司 A kind of high voltage protective system of electrokinetic cell and vehicle
CN104377684A (en) * 2013-08-13 2015-02-25 上海汽车集团股份有限公司 Interlocking detecting circuit, system and method of high-voltage parts
CN104377684B (en) * 2013-08-13 2018-09-04 上海汽车集团股份有限公司 Interlock detection circuit, interlocking detecting system and its detection method of high voltage component
CN103507642A (en) * 2013-09-13 2014-01-15 郑州宇通客车股份有限公司 Electric defrosting energy-saving control system, electric defrosting energy-saving control method and electric automobile using the system
CN103507642B (en) * 2013-09-13 2015-12-02 郑州宇通客车股份有限公司 The electronlmobil of electricity defrosting energy-saving control system, control method and this system of use
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
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
CN103754116A (en) * 2014-01-26 2014-04-30 北京智行鸿远汽车技术有限公司 Lower short-circuit protection system and method of inverter under abnormal condition of new energy automobile
CN103754116B (en) * 2014-01-26 2016-07-13 北京智行鸿远汽车技术有限公司 The lower short circuit protection system of inverter and method during new-energy automobile unusual service condition
CN105270181A (en) * 2014-06-25 2016-01-27 广州汽车集团股份有限公司 Intermediate relay control device, and control method thereof, and high-voltage power-down control method
CN105270181B (en) * 2014-06-25 2017-08-22 广州汽车集团股份有限公司 Electric control method under auxiliary reclay control device and its control method, high pressure
CN104960423A (en) * 2015-05-21 2015-10-07 东南(福建)汽车工业有限公司 Control circuit for high-voltage power utilization safety of electric vehicle
CN105083047B (en) * 2015-07-28 2017-08-04 北汽福田汽车股份有限公司 The control system and electric automobile of electric automobile
CN105083047A (en) * 2015-07-28 2015-11-25 北汽福田汽车股份有限公司 Control system of electric vehicle and electric vehicle
CN107031429A (en) * 2015-11-03 2017-08-11 福特全球技术公司 Vehicular charging termination system and method
CN106671781B (en) * 2015-11-06 2019-03-26 北京宝沃汽车有限公司 The control method and system of the high tension loop of vehicle, vehicle
CN106671781A (en) * 2015-11-06 2017-05-17 北汽福田汽车股份有限公司 Control method of high-pressure loop of vehicle, system, and vehicle
CN106799968A (en) * 2015-11-26 2017-06-06 河北优控新能源科技有限公司 Motor vehicle driven by mixed power high-voltage interlocking loop based on security strategy(HVIL)Design
CN106080453A (en) * 2016-08-05 2016-11-09 广东亿鼎新能源汽车有限公司 The battery switched system of electric automobile
CN106080453B (en) * 2016-08-05 2018-06-19 广东亿鼎新能源汽车有限公司 The battery switching system of electric vehicle

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