CN104527445A - Power supply control system of electric automobile - Google Patents
Power supply control system of electric automobile Download PDFInfo
- Publication number
- CN104527445A CN104527445A CN201410736360.8A CN201410736360A CN104527445A CN 104527445 A CN104527445 A CN 104527445A CN 201410736360 A CN201410736360 A CN 201410736360A CN 104527445 A CN104527445 A CN 104527445A
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- power supply
- control system
- interface
- electronlmobil
- control chip
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention relates to a power supply control system of an electric automobile. The system comprises a CAN transceiver, an MCU control chip, a monitoring interface and a power supply control circuit; the power supply control circuit comprises a storage battery, a first power supply source and a second power supply source; the first power supply source is used for converting the voltage of a storage battery into working voltage of the MCU control chip, the monitoring interface and the CAN transceiver to be outputted; when the electric automobile is off, the MCU control chip is awakened through external signals received by the monitoring interface and the CAN transceiver; the second power supply source is used for converting the voltage of the storage battery into working voltage to be outputted to a peripheral electrode when the MCU control chip is awakened. According to the power supply control system of the electric automobile, the first power supply source supplies power to some circuit when the automobile is in an off state, and the second power supply source supplies power to other circuits under the awakening state, so that the normal use of the electric automobile can be ensured, and the power consumption of the electric automobile under a non-working state can be greatly decreased.
Description
Technical field
The present invention relates to electric vehicle engineering field, more particularly, relate to a kind of electronlmobil electric power supply control system.
Background technology
Electronlmobil majority domestic at present adopts the mode of powering for a long time to control circuit, and the circuit of full-vehicle control unit and surrounding is always in running order, makes the storage battery of powering to these circuit be in energy ezpenditure state all the time.On the other hand, power to the wearing and tearing of the performance of electronic unit to each electronic unit for a long time and also will have an impact service life.
New-energy automobile technology proceeds to the commercialization stage by laboratory gradually, energy-conservation, miniaturization, economical, lightweight, become developing direction in the industry, power control system (PCU) is as its core component, require higher to its performance perameter, wherein the index of power consumption is exactly one of them.
In order to ensure the power consumption of the long-time readiness for action of vehicle, just need to provide high-capacity battery, and need often for battery charge maintains electricity.Because the automobile most of the time is in not using state, often charge a battery, consumption and the waste of energy will be caused.
Summary of the invention
The technical problem to be solved in the present invention is, for the defect that existing electronlmobil power consumption is large, provides a kind of electronlmobil electric power supply control system.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of electronlmobil electric power supply control system, and described control system at least comprises CAN transceiver, MCU control chip, monitor-interface and power-supplying circuit;
Described power-supplying circuit comprises storage battery, the first power supply and the second power supply;
The input end of described first power supply is connected with the mouth of described storage battery, mouth is connected to described MCU control chip, monitor-interface and CAN transceiver respectively, and exports for the operating voltage described battery tension being converted to described MCU control chip, monitor-interface and CAN transceiver;
When described electronlmobil is in flameout state, described MCU control chip, monitor-interface and CAN transceiver are powered by the first power supply and are dormant state, and the outward sign that this MCU control chip is obtained by described monitor-interface and described CAN transceiver wakes up;
The input end of described second power supply is connected with the mouth of described storage battery, and when described MCU control chip is waken up, described battery tension is converted to described operating voltage and exports peripheral circuit to.
According in electronlmobil electric power supply control system of the present invention, described MCU control chip current draw is in the hibernate state 100uA level.
According in electronlmobil electric power supply control system of the present invention, described monitor-interface comprises charge switch interface, air conditioning switch interface and/or ON shelves signaling interface.
According in electronlmobil electric power supply control system of the present invention, the current draw of described CAN transceiver when described dormant state is 5uA.
According in electronlmobil electric power supply control system of the present invention, described first power supply comprises the first switching power source chip, and the mouth of described storage battery is converted to corresponding operating voltage through described first switching power source chip and exports.
According in electronlmobil electric power supply control system of the present invention, between described second power supply and described storage battery, be connected with switch, and this switch is controlled to be turned on or off by MCU control chip.
According in electronlmobil electric power supply control system of the present invention, described second power supply comprises second switch power supply chip, and the operating voltage that the mouth of described storage battery is converted to described peripheral circuit through described switch and described second switch power supply chip successively exports.
According in electronlmobil electric power supply control system of the present invention, under described dormant state, the electric current wastage in bulk or weight≤1mA of described electric power supply control system.
Implement electronlmobil electric power supply control system of the present invention, there is following beneficial effect: provide operating voltage by the first power supply, ensure to power to electronlmobil partial circuit under electronlmobil flameout state, and then guarantee waking up of electronlmobil, also farthest reduce stand-by power consumption; Second power supply then when electronlmobil MCU control chip is waken up output services voltage to meet the normal work requirements of electronlmobil; Both ensure that the normal use of electronlmobil, greatly reduce again the power supply power consumption of the electronlmobil under off working state, simultaneously convenient for users.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation according to electronlmobil electric power supply control system of the present invention;
Fig. 2 is the schematic diagram of the monitor-interface of the electric power supply control system of electronlmobil shown in Fig. 1;
Fig. 3 is the detailed maps of the electric power supply control system of electronlmobil shown in Fig. 1.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.
As shown in Figure 1, the invention provides a kind of electronlmobil electric power supply control system.Particularly, this control system at least comprises CAN transceiver 14, MCU control chip 15, monitor-interface 16 and power-supplying circuit 1.In this electronlmobil electric power supply control system, power-supplying circuit 1 is for powering to electronlmobil, and described power-supplying circuit 1 comprises storage battery 10, first power supply 11 and the second power supply 12.Wherein when electronlmobil is in flameout state, storage battery 10 to output services voltages such as MCU control chip 15, monitor-interface 16 and CAN transceiver 14, guarantees waking up of electronlmobil through the first power supply 11; When electronlmobil is in normal working, storage battery 10 through the first power supply 11 and the second power supply 12 circuit output services voltage respectively to correspondence, to meet the normal work requirements of electronlmobil.
Wherein, the input end of the first power supply 11 is connected with the mouth of storage battery 10, and the mouth of the first power supply 11 is connected to MCU control chip 15, monitor-interface 16 and CAN transceiver 14 respectively; The operating voltage output of described first power supply 11 for by described storage battery 10 voltage transitions being MCU control chip 15, monitor-interface 16 and CAN transceiver 14.
When described electronlmobil is in flameout state, MCU control chip 15, monitor-interface 16 and CAN transceiver 14 are powered by the first power supply 12 and described MCU control chip 15 is dormant state, obtain outward sign through monitor-interface 16 and CAN transceiver 14, and wake MCU control chip 15 up according to described outward sign.Described outward sign can be such as ON shelves signal, charge switch signal and/or air conditioning switch signal, and/or MCU program setting signal etc.
The input end of described second power supply 12 is connected with the mouth of described storage battery 10, and described second power supply 12 is for being that described operating voltage exports peripheral circuit to when described MCU control chip 15 is waken up by the voltage transitions of described storage battery 10.
Switching power source chip and peripheral circuit is included in the first power supply 11 in the present invention and the second power supply 12.When specific implementation, the first power supply 220 can comprise the first switching power source chip, and the mouth of storage battery 10 is directly converted to operating voltage by the first switching power source chip and exports power supply.Second power supply 12 can comprise second switch power supply chip, the mouth of storage battery 10 first through switch 13 (this switch 13 is controlled to be turned on or off by MCU control chip 15), then is converted to described operating voltage output power supply by second switch power supply chip.Certainly, also accessible site is to the second power supply 12 for above-mentioned switch 13, and namely the second power supply 12 is directly started by MCU control chip 15.
Above-mentioned first switching power source chip and second switch power supply chip all can adopt switching power source chip well known in the prior art and peripheral circuit, therefore do not repeat.
MCU control chip 15 in the dormant state time only minimum system circuit working, the current loss of this minimum system circuit is 100uA.And CAN transceiver current loss is in this case less than 10uA, preferred only 5uA, and monitor-interface 16 is that high level is effective, therefore not current sinking under normal circumstances, therefore known in electronlmobil electric power supply control system of the present invention by calculating, under dormant state, the total power consumption≤1mA of electronlmobil.Therefore, electronlmobil electric power supply control system of the present invention can effectively reduce current loss in the dormant state, and then extends the service life of corresponding component, promotes the performance of electronlmobil.
And when monitor-interface 16 and/or CAN transceiver receive outward sign, system can wake MCU control chip 15 up according to this outward sign, now MCU control chip 15 exports Continuity signal to switch 13, storage battery 10 starts the second switch power supply chip of the second power supply 12 through switch 13, and obtain Voltage Cortrol further, export corresponding operating voltage to start other peripheral circuits 17.
With reference to figure 2, this monitor-interface 16 is for gathering external switch control signal to described minimum system circuit, and this monitor-interface 16 comprises charge switch interface 132, air conditioning switch interface 163 and/or ON shelves signaling interface 161 further.
The minimum system circuit of described MCU control chip 15 can comprise MCU power supply, reset chip and crystal oscillating circuit etc.The external switch control signal that this minimum system circuit can gather according to above-mentioned monitor-interface 16, produces the control that battery-driven car control signal realizes car load operating mode.
Such as, particularly, when car key inserts, there is signal and change in ON gear switch interface 161 place, when being in ON state, MCU control chip 15 is waken up and enters normal working, sending signal turn on-switch 13 makes the second power supply 12 power on, and electronlmobil enters dead work state.
When the energy-storage battery of electronlmobil needs to charge, the charge switch signal that MCU control chip 15 obtains according to monitor-interface 16 place enters normal mode of operation thereupon, sending signal turn on-switch 13 makes the second power supply 12 power on, and electronlmobil enters dead work state.
When switch is turned on the aircondition in unlatching, the air conditioning switch signal that MCU control chip 15 obtains according to monitor-interface 16 place enters normal mode of operation thereupon, and send signal turn on-switch 13 and second power supply 12 is powered on, electronlmobil enters dead work state.
When obtaining MCU program setting signal by CAN transceiver 14 place, also can wake MCU control chip 15 up, and then monitoring and revise the program of MCU by MCU control chip 15 pairs of control system, and entering in normal mode of operation.
Gone out the working cell under MCU minimum system with reference to circle independent in figure 3, Fig. 3, wherein the miscellaneous part of storage battery 10 under the first power supply 11 changes backward MCU minimum system provides the operating voltage of+5V.Due in minimum system, CAN transceiver 14 and the monitor-interface shown in Fig. 2 16 are in opening, receive outward sign, and the outward sign received is passed to CAN transmission circuit 140, charge switch circuit 164, air conditioning switch signal circuit 165 or ON shelves signal circuit 166 respectively, and after the process of CAN transmission circuit 140, charge switch circuit 164, air conditioning switch signal circuit 165 or ON shelves signal circuit 166, is passed to each corresponding interface of MCU control chip 15 respectively.MCU control chip 15 is waken up thus, and then output control signals to the second power supply 12 (being integrated with the switch circuit controlled by MCU control chip 15), make the second power supply 12 in running order, changed by the output voltage of the second power supply 12 pairs of storage batterys 10 and provide+5V power supply voltage to other peripheral circuits 17.
The electric current consumed is smaller, directly uses LDO power supply just can meet temperature increase requirement, does not need BUCK power supply, be conducive to the result of EMC test like this, have great lifting to the obstacle overcome ability of car load.
Further, when MCU control chip 15 receives after outward sign is waken up, MCU control chip 15 enters normal mode of operation, and the second power supply 12, by necessary for peripheral circuit 17+5V power connection, makes peripheral circuit 17 power on.
If electronlmobil enters charge mode, now under charge mode, necessary on-off signal circuit (as preliminary filling loop contactless switch and vehicle-mounted charge contactless switch etc.) is opened by MCU control chip 15 successively, outward sign can be received simultaneously, DC charging motor or AC charging machine to differentiate, and the size of current that will charge.After these signals can distinguish by MCU control chip 15, be sent to other peripheral module circuit corresponding by CAN transceiver 14.After energy storage battery is full of electricity, can receives and be full of signal, disconnect charging equipment.After external charging switch cuts out, MCU control chip 15 enters park mode again.
If electronlmobil enters preparation operational mode, now MCU control chip 15 can first open required power supply relay accordingly, enters the dead work before automotive operation.As carried out insulating monitoring inspection, necessary signal self-inspection.
In process runs, necessary detection signal, as acceleration pedal signal, brake pedal signal, gear signal, key switch signal, collision alarm, vacuum pump sensor signal, brake fluid pressure force sensor signals, vehicle speed signal, high-voltage interlocking, air-conditioning enable signal, heater unit (PTC) enable signal, EPS breakdown signal and ESP signal etc., needs the signal controlling to export to have: probe power, low speed cooling fan relay, high speed fan relay, a/c system contactless switch, main driving contactless switch and heater unit (PTC) contactless switch etc. simultaneously.
The present invention provides operating voltage by employing first power supply, powers when ensureing under electronlmobil flameout state to electronlmobil partial circuit, and then guarantees waking up of electronlmobil, also farthest reduces stand-by power consumption; Second power supply, then when electronlmobil MCU control chip is waken up, exports described operating voltage to meet the normal work requirements of electronlmobil; Both ensure that the normal use of electronlmobil, greatly reduce again the power supply power consumption of the electronlmobil under off working state, simultaneously convenient for users, relatively extend the service life of electronlmobil.
The present invention is described according to specific embodiment, but it will be understood by those skilled in the art that when not departing from the scope of the invention, can carry out various change and equivalent replacement.In addition, for adapting to specific occasion or the material of the technology of the present invention, can many amendments be carried out to the present invention and not depart from its protection domain.Therefore, the present invention is not limited to specific embodiment disclosed herein, and comprises all embodiments dropping into claims.
Claims (8)
1. an electronlmobil electric power supply control system, is characterized in that, described control system at least comprises CAN transceiver, MCU control chip, monitor-interface and power-supplying circuit;
Described power-supplying circuit comprises storage battery, the first power supply and the second power supply;
The input end of described first power supply is connected with the mouth of described storage battery, mouth is connected to described MCU control chip, monitor-interface and CAN transceiver respectively, and exports for the operating voltage described battery tension being converted to described MCU control chip, monitor-interface and CAN transceiver;
When described electronlmobil is in flameout state, described MCU control chip, monitor-interface and CAN transceiver are powered by the first power supply and described MCU control chip is dormant state, and the outward sign that this MCU control chip is obtained by described monitor-interface and described CAN transceiver wakes up;
The input end of described second power supply is connected with the mouth of described storage battery, and the operating voltage when described MCU control chip is waken up, described battery tension being converted to peripheral circuit exports.
2. electronlmobil electric power supply control system according to claim 1, is characterized in that, described MCU control chip current draw is in the hibernate state 100uA level.
3. electronlmobil electric power supply control system according to claim 1, is characterized in that, described monitor-interface comprises charge switch interface, air conditioning switch interface and/or ON shelves signaling interface.
4. electronlmobil electric power supply control system according to claim 1, is characterized in that, the current draw of described CAN transceiver when described dormant state is 5uA.
5. electronlmobil electric power supply control system according to claim 1, is characterized in that, described first power supply comprises the first switching power source chip, and the mouth of described storage battery is converted to corresponding operating voltage through described first switching power source chip and exports.
6. electronlmobil electric power supply control system according to claim 1, is characterized in that, is connected with switch between described second power supply and described storage battery, and this switch is controlled to be turned on or off by MCU control chip.
7. electronlmobil electric power supply control system according to claim 6, it is characterized in that, described second power supply comprises second switch power supply chip, and the operating voltage that the mouth of described storage battery is converted to described peripheral circuit through described switch and described second switch power supply chip successively exports.
8. the electronlmobil electric power supply control system according to any one of claim 1-7, is characterized in that, under described dormant state, and the electric current wastage in bulk or weight≤1mA of described electric power supply control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736360.8A CN104527445A (en) | 2014-12-05 | 2014-12-05 | Power supply control system of electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410736360.8A CN104527445A (en) | 2014-12-05 | 2014-12-05 | Power supply control system of electric automobile |
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| CN104527445A true CN104527445A (en) | 2015-04-22 |
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| CN201410736360.8A Pending CN104527445A (en) | 2014-12-05 | 2014-12-05 | Power supply control system of electric automobile |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700441A (en) * | 2016-03-25 | 2016-06-22 | 中国海洋大学 | Low-power-consumption single-chip microcomputer type power supply management control system |
| CN106394299A (en) * | 2016-11-08 | 2017-02-15 | 熊奕森 | Power system and electric automobile |
| CN106427835A (en) * | 2016-11-07 | 2017-02-22 | 合肥创宇新能源科技有限公司 | Low-power-consumption dormancy circuit of new energy automobile electronic VCU module |
| CN106873757A (en) * | 2017-04-12 | 2017-06-20 | 陕西理工大学 | A kind of data transfer of computer supplements power supply |
| CN108215915A (en) * | 2018-01-25 | 2018-06-29 | 宁德时代新能源科技股份有限公司 | Electric energy transmission circuit and device |
| CN110254290A (en) * | 2019-06-21 | 2019-09-20 | 惠州市亿兆能源科技有限公司 | BMS battery management communication system |
| CN111038285A (en) * | 2018-10-11 | 2020-04-21 | 郑州宇通客车股份有限公司 | Low-power-consumption monitoring method and system and vehicle |
| CN111775769A (en) * | 2020-06-28 | 2020-10-16 | 联合汽车电子有限公司 | Battery management system and method |
| CN114415579A (en) * | 2022-03-31 | 2022-04-29 | 深圳市道和实业有限公司 | Low-power-consumption outdoor monitoring control system |
| CN116533830A (en) * | 2023-07-06 | 2023-08-04 | 中国第一汽车股份有限公司 | Whole vehicle energy-saving control method and device and vehicle |
| WO2024002231A1 (en) * | 2022-06-29 | 2024-01-04 | 中国第一汽车股份有限公司 | Controller power supply system, electronic device, and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080315803A1 (en) * | 2007-06-25 | 2008-12-25 | Mazda Motor Corporation | Hybrid electric vehicle |
| EP2067649A2 (en) * | 2007-12-03 | 2009-06-10 | Mazda Motor Corporation | Hybrid electric vehicle and control method therefor |
| CN201307777Y (en) * | 2008-12-01 | 2009-09-09 | 重庆宗申技术开发研究有限公司 | Power supply managing system for electric motorcars |
| CN201325394Y (en) * | 2008-12-03 | 2009-10-14 | 重庆宗申技术开发研究有限公司 | Power supply drive circuit for electric motor cars |
| CN104139708A (en) * | 2013-05-11 | 2014-11-12 | 袭帅 | Power control power supply system for electric vehicle |
-
2014
- 2014-12-05 CN CN201410736360.8A patent/CN104527445A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080315803A1 (en) * | 2007-06-25 | 2008-12-25 | Mazda Motor Corporation | Hybrid electric vehicle |
| EP2067649A2 (en) * | 2007-12-03 | 2009-06-10 | Mazda Motor Corporation | Hybrid electric vehicle and control method therefor |
| CN201307777Y (en) * | 2008-12-01 | 2009-09-09 | 重庆宗申技术开发研究有限公司 | Power supply managing system for electric motorcars |
| CN201325394Y (en) * | 2008-12-03 | 2009-10-14 | 重庆宗申技术开发研究有限公司 | Power supply drive circuit for electric motor cars |
| CN104139708A (en) * | 2013-05-11 | 2014-11-12 | 袭帅 | Power control power supply system for electric vehicle |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700441A (en) * | 2016-03-25 | 2016-06-22 | 中国海洋大学 | Low-power-consumption single-chip microcomputer type power supply management control system |
| CN106427835A (en) * | 2016-11-07 | 2017-02-22 | 合肥创宇新能源科技有限公司 | Low-power-consumption dormancy circuit of new energy automobile electronic VCU module |
| CN106427835B (en) * | 2016-11-07 | 2018-11-02 | 合肥创宇新能源科技有限公司 | A kind of Low-power-consumptiodormancy dormancy circuit of new-energy automobile electronics VCU modules |
| CN106394299A (en) * | 2016-11-08 | 2017-02-15 | 熊奕森 | Power system and electric automobile |
| CN106873757A (en) * | 2017-04-12 | 2017-06-20 | 陕西理工大学 | A kind of data transfer of computer supplements power supply |
| CN108215915A (en) * | 2018-01-25 | 2018-06-29 | 宁德时代新能源科技股份有限公司 | Electric energy transmission circuit and device |
| CN111038285A (en) * | 2018-10-11 | 2020-04-21 | 郑州宇通客车股份有限公司 | Low-power-consumption monitoring method and system and vehicle |
| CN110254290A (en) * | 2019-06-21 | 2019-09-20 | 惠州市亿兆能源科技有限公司 | BMS battery management communication system |
| CN111775769A (en) * | 2020-06-28 | 2020-10-16 | 联合汽车电子有限公司 | Battery management system and method |
| CN111775769B (en) * | 2020-06-28 | 2022-04-08 | 联合汽车电子有限公司 | Battery management system and method |
| CN114415579A (en) * | 2022-03-31 | 2022-04-29 | 深圳市道和实业有限公司 | Low-power-consumption outdoor monitoring control system |
| WO2024002231A1 (en) * | 2022-06-29 | 2024-01-04 | 中国第一汽车股份有限公司 | Controller power supply system, electronic device, and storage medium |
| CN116533830A (en) * | 2023-07-06 | 2023-08-04 | 中国第一汽车股份有限公司 | Whole vehicle energy-saving control method and device and vehicle |
| CN116533830B (en) * | 2023-07-06 | 2023-09-01 | 中国第一汽车股份有限公司 | Whole vehicle energy-saving control method and device and vehicle |
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Application publication date: 20150422 |
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