CN111532136B - Power-on and power-off control method for pure electric heavy truck - Google Patents
Power-on and power-off control method for pure electric heavy truck Download PDFInfo
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- CN111532136B CN111532136B CN201911405544.5A CN201911405544A CN111532136B CN 111532136 B CN111532136 B CN 111532136B CN 201911405544 A CN201911405544 A CN 201911405544A CN 111532136 B CN111532136 B CN 111532136B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The invention relates to a power-on and power-off control method of a pure electric heavy truck, relating to peripheral hardware comprising a chassis distribution box, a cab distribution box, a whole vehicle controller, a key switch, a master switch, a relay, a motor controller, a high-voltage distribution box and a four-in-one controller; in the whole vehicle power-on process, the power-on of each high-voltage controller is uniformly managed by the whole vehicle controller, and the whole vehicle controller is used as a whole vehicle brain without time sequence judgment of each controller. In the whole vehicle power-off process, the low-voltage power supply is controlled in a mode of controlling the relay through the whole vehicle controller, and normal work of the relay inside each high-voltage controller before disconnection is guaranteed. The problem that the high-voltage controllers cannot communicate due to the fact that no low-voltage power supply exists after the key doors are closed is solved; after the ON gear of the key door is powered off suddenly, the situation that each high-voltage controller is powered off accidentally is avoided, and the development period of the controllers is saved.
Description
Technical Field
The invention belongs to the field of power-on and power-off control, and particularly relates to a power-on and power-off control method of a pure electric heavy truck.
Background
At present, the number of high-voltage controllers of the pure electric vehicle is large, and compared with the difference of a traditional low-voltage controller, each high-voltage controller has logic mutual judgment in the aspect of power-on and power-off control, so that the power-on and power-off time sequence requirements of each high-voltage controller are accurate, software management is complex, and the risk of power-on and power-off delay exists. In order to uniformly meet the power-on and power-off judgment and time sequence requirements of each high-voltage controller, the power-on and power-off operation of the high-voltage controllers is realized by a mode that a relay is driven by a VCU hard wire.
Complicated logic judgment exists between the high-voltage controllers when power is supplied and power is not supplied, each high-voltage controller needs to perform a delayed power-off function in order to ensure the normal work of each high-voltage controller, the compiling requirement on a control program is high, the workload is large, and particularly for a pure electric vehicle, the importance is high on whether the high-voltage controller can work normally or not.
Disclosure of Invention
The invention provides a power-on and power-off control method of a pure electric heavy truck, which aims to solve the technical problems that: the problem that the controller cannot normally receive signals due to power-off is solved.
In order to solve the technical problems, the invention provides a power-on and power-off control method of a pure electric heavy card, which is characterized by comprising the following steps: the peripheral equipment comprises a chassis distribution box, a cab distribution box, a vehicle control unit, a key switch, a master switch, a relay, a motor controller, a high-voltage distribution box and a four-in-one controller; the method comprises the following specific steps:
s1, a power-on process:
s1.1, firstly, a key switch is dialed to an ON gear, after the self-checking of the vehicle controller is finished, a relay is controlled to be attracted, a motor controller, a high-voltage distribution box and a four-in-one controller system are controlled to be powered ON, then the vehicle controller carries out self-checking and confirms whether signals of all devices communicated with the vehicle controller are normally received or not, and whether faults exist in the devices communicated with the vehicle controller or not is checked;
s1.2, after a key switch is in an ON gear state and no abnormality is found in self-checking, the whole vehicle controller controls a main motor relay in the four-in-one controller to attract, then the four-in-one controller sends the attraction state of the main motor relay to the whole vehicle controller, when the whole vehicle controller receives that the main motor relay is in the attraction state, the state of an accessory relay of the four-in-one controller is in a disconnection state, and when the gear state of a gear shifting handle is a neutral position, the key switch is shifted to a starting gear, the whole vehicle controller can send a high-voltage electric instruction to a high-voltage distribution box, and meanwhile, the whole vehicle controller sends the state of the accessory relay of the four-in-one controller to the high-voltage distribution box;
s1.3, the high-voltage distribution box firstly makes redundant judgment on the disconnection state of the accessory relay, if the accessory relay is in the disconnection state, the high-voltage distribution box controls a pre-charging relay in the high-voltage distribution box to be closed according to a received instruction, when the voltage of the rear end of the pre-charging relay reaches 95% of the voltage of a battery, pre-charging is completed, then the high-voltage distribution box firstly closes a main positive relay in the high-voltage distribution box, then the pre-charging relay is disconnected, high-voltage electrification is completed, and high-voltage electrification of the high-voltage distribution box is successful;
s1.4, after the high-voltage power-on of the high-voltage distribution box is completed, sending a high-voltage power-on completion signal to the vehicle control unit to judge that the high voltage on the high-voltage distribution cabinet is successful, then closing a relay of an internal accessory of the four-in-one controller by the vehicle control unit through a message signal, and completing the power-on of a whole high-voltage loop;
s2, a power-off process:
s2.1, shifting a key switch from an ON gear to an OFF gear, enabling a starting signal to disappear, sending a power-Off instruction to the four-in-one controller by the vehicle controller, sequentially cutting Off the enabling of each execution unit in the four-in-one controller by the vehicle controller, and cutting Off all relays in the four-in-one controller after the vehicle controller receives the shutdown state of each execution unit; after receiving the relay disconnection state in the four-in-one controller, the vehicle control unit sends a power-off instruction to the high-voltage distribution box;
s2.2, if the whole vehicle controller does not receive the relay disconnection state of the four-in-one control within a certain time after issuing a command of disconnecting all relays in the four-in-one controller, directly controlling the high-voltage distribution box to be powered off by the whole vehicle controller;
s2.3, after the high-voltage distribution box receives a power-off instruction of the vehicle control unit, the high-voltage distribution box firstly disconnects a main positive relay and then disconnects a main negative relay, and high-voltage power-off is completed; after the vehicle control unit judges that the high-voltage low-voltage power supply is completed, the vehicle control unit controls the power supply relay to be disconnected so as to control the four-in-one, the motor controller and the high-voltage distribution box to perform low-voltage power supply.
Has the advantages that: in the whole vehicle power-on process, the power-on of each high-voltage controller is uniformly managed by the whole vehicle controller without the need of time sequence judgment of each controller, so that the whole vehicle controller can play a role as a whole vehicle brain. In the whole vehicle power-off process, the low-voltage power supply is controlled in a mode of controlling the relay through the whole vehicle controller, and normal work of the relay inside each high-voltage controller before disconnection is guaranteed. The problem that each high-voltage controller cannot communicate due to the fact that no low-voltage power supply exists after the key door is closed is solved; after the ON gear of the key door is suddenly powered off, the situation that each high-voltage controller is powered off accidentally is avoided, and the development period of the controllers is saved.
Drawings
FIG. 1 is a control schematic of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention is provided.
The invention provides a power-on and power-off control method of a pure electric heavy truck, which is characterized by comprising the following steps: the peripheral equipment comprises a Vehicle Control Unit (VCU), a key switch, a main switch, a relay, a Motor Controller (MCU), a high-voltage distribution Box (BMS) and a four-in-one controller;
the motor controller is used for supplying power to the wheel driving motor, the high-voltage distribution box is used for supplying a high-voltage power supply to the motor controller and the four-in-one controller, and the four-in-one controller is used for controlling the power supply of the high-voltage components;
the storage battery and the main switch respectively supply power to the chassis distribution box and the cab distribution box;
the chassis distribution box outputs two paths, one path is connected with a normal electric interface of the vehicle control unit, the other path is connected with a power input end and a control input end of the relay, the control output end of the relay is connected with the control interface of the vehicle control unit, and the power output end of the relay is respectively connected with the motor controller, the high-voltage distribution box and the four-in-one controller through low-voltage lines to supply power;
the cab power distribution box outputs two paths, one path is connected with an ON gear interface of the whole vehicle controller, the other path is connected with a power input end of the key switch, and a power output end of the key switch is connected with a safety fuse of the cab power distribution box; the starting signal output end of the key switch is connected with a signal input interface of the vehicle control unit;
the motor controller, the high-voltage distribution box and the four-in-one controller are connected with a control end of the whole vehicle controller through a CAN line.
The method comprises the following specific steps:
s1, a power-on process: enabling power supplies of all the high-voltage controllers are uniformly switched on and off by the vehicle control unit in a low-drive mode;
s1.1, firstly, a key switch is dialed to an ON gear, after VCU self-checking is completed, a relay is controlled to be attracted, a motor controller, a high-voltage distribution box and a four-in-one controller system are controlled to be powered ON, then the whole vehicle controller carries out self-checking, confirms whether signals (CAN messages, analog signals and switching value signals) of all devices communicated with the whole vehicle controller are normally received, and checks whether the devices communicated with the whole vehicle controller have faults or not; self-checking information is broadcasted through the CAN;
s1.2, after a key switch is in an ON gear state and self-checking is carried out without abnormity, a VCU controls a main motor relay in a four-in-one controller to be attracted through a CAN message, then the four-in-one controller sends the attraction state of the main motor relay to the VCU, when the VCU receives that the main motor relay is in the attraction state, the VCU receives that an accessory relay state of the four-in-one controller is in a disconnection state, and when the gear state of a gear shifting handle is a neutral position, the key switch is shifted to a starting gear, the VCU CAN send a high-voltage instruction to a high-voltage distribution box, and meanwhile, the VCU sends the accessory relay state of the four-in-one controller to the high-voltage distribution box;
s1.3, the high-voltage distribution box firstly makes redundant judgment on the disconnection state of the accessory relay, if the accessory relay is in the disconnection state, the BMS controls a pre-charging relay inside the BMS to be closed according to a received instruction, when the voltage of the rear end of the pre-charging relay reaches 95% of the voltage of a battery, pre-charging is completed, then the high-voltage distribution box firstly closes a main positive relay inside the high-voltage distribution box, then the pre-charging relay is disconnected, high-voltage power-on is completed, and high-voltage power-on of the high-voltage distribution box is successful;
s1.4, after the high-voltage power distribution box is powered on at a high voltage, sending an Hvready (high-voltage power on completion) signal (BMS current state 'HV closed') to the VCU to judge that the high voltage on the high-voltage power distribution cabinet is successful, then closing a relay of an internal accessory of the four-in-one controller by the VCU through a message signal, and completing the power on of the whole high-voltage loop;
s2, a power-off process:
s2.1, a key switch is dialed from an ON gear to an OFF gear, a starting signal disappears, a VCU sends a power-Off instruction to the four-in-one controller, the VCU sequentially cuts Off the enabling of each execution unit in the four-in-one controller, and after the VCU receives the shutdown state of each execution unit, all relays in the four-in-one controller are cut Off; after receiving the relay disconnection state in the four-in-one controller, the VCU sends a power-off instruction to the high-voltage distribution box;
s2.2, if the VCU does not receive the relay disconnection state of the four-in-one control within 10S after issuing a command of disconnecting all relays in the four-in-one controller, directly controlling the high-voltage distribution box to be powered off by the VCU;
s2.3, after the high-voltage distribution box receives a power-off instruction of the VCU, the high-voltage distribution box firstly disconnects the main positive relay and then disconnects the main negative relay, and the high-voltage power-off is completed; after the VCU judges that the high-voltage power-off is finished, the VCU controls the power supply relay to be switched off so as to control the four-in-one, the motor controller and the BMS to power off at low voltage;
if the gear of the gear shifting handle is always in a non-N gear state or the feedback state of the MCU and the BMS is incorrect, the VCU cuts off the low-voltage ON gear power after waiting for the normal state, otherwise, the VCU delays power-off and waits for 3 minutes at the longest, and if the feedback is still abnormal, the low-voltage ON gear power is cut off forcibly.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A power-on and power-off control method of a pure electric heavy truck is characterized by comprising the following steps: the peripheral equipment comprises a chassis distribution box, a cab distribution box, a vehicle control unit, a key switch, a master switch, a relay, a motor controller, a high-voltage distribution box and a four-in-one controller; the four-in-one controller is used for controlling the power supply of the high-voltage component; the method comprises the following specific steps:
s1, a power-on process:
s1.1, firstly, a key switch is dialed to an ON gear, after the self-checking of the vehicle controller is finished, a power supply relay is controlled to be attracted, a motor controller, a high-voltage distribution box and a four-in-one controller system are controlled to be powered ON, then the vehicle controller carries out self-checking and confirms whether signals of all devices communicated with the vehicle controller are normally received or not, and whether faults exist in the devices communicated with the vehicle controller or not is checked;
s1.2, after a key switch is in an ON gear state and no abnormality is found in self-checking, the whole vehicle controller controls a main motor relay in the four-in-one controller to attract, then the four-in-one controller sends the attraction state of the main motor relay to the whole vehicle controller, when the whole vehicle controller receives that the main motor relay is in the attraction state, the state of an accessory relay of the four-in-one controller is in a disconnection state, and when the gear state of a gear shifting handle is a neutral position, the key switch is shifted to a starting gear, the whole vehicle controller can send a high-voltage electric instruction to a high-voltage distribution box, and meanwhile, the whole vehicle controller sends the state of the accessory relay of the four-in-one controller to the high-voltage distribution box;
s1.3, the high-voltage distribution box firstly makes redundant judgment on the disconnection state of the accessory relay, if the accessory relay is in the disconnection state, the high-voltage distribution box controls a pre-charging relay in the high-voltage distribution box to be closed according to a received instruction, when the voltage of the rear end of the pre-charging relay reaches 95% of the voltage of a battery, pre-charging is completed, then the high-voltage distribution box firstly closes a main positive relay in the high-voltage distribution box, then the pre-charging relay is disconnected, high-voltage electrification is completed, and high-voltage electrification of the high-voltage distribution box is successful;
s1.4, after the high-voltage power-on of the high-voltage distribution box is completed, sending a high-voltage power-on completion signal to the vehicle control unit to judge that the high voltage on the high-voltage distribution cabinet is successful, then closing an accessory relay in the four-in-one controller by the vehicle control unit through a message signal, and completing the power-on of a whole high-voltage loop;
s2, a power-off process:
s2.1, shifting a key switch from an ON gear to an OFF gear, enabling a starting signal to disappear, sending a power-Off instruction to the four-in-one controller by the vehicle controller, sequentially cutting Off the enabling of each execution unit in the four-in-one controller by the vehicle controller, and cutting Off all relays in the four-in-one controller after the vehicle controller receives the shutdown state of each execution unit; after receiving the relay disconnection state in the four-in-one controller, the vehicle control unit sends a power-off instruction to the high-voltage distribution box;
s2.2, if the whole vehicle controller does not receive the relay disconnection state of the four-in-one control within a certain time after issuing a command of disconnecting all relays in the four-in-one controller, directly controlling the high-voltage distribution box to be powered off by the whole vehicle controller;
s2.3, after the high-voltage distribution box receives a power-off instruction of the vehicle control unit, the high-voltage distribution box firstly disconnects a main positive relay and then disconnects a main negative relay, and high-voltage power-off is completed; after the vehicle control unit judges that the high-voltage power-down is completed, the vehicle control unit controls the power supply relay to be disconnected so as to control the four-in-one controller, the motor controller and the high-voltage distribution box to perform low-voltage power-down.
2. The power-on and power-off control method of the pure electric heavy card according to claim 1, characterized in that: in S1.1, signals of equipment communicating with the whole vehicle controller comprise CAN messages, analog signals and switching value signals.
3. The power-on and power-off control method of the pure electric heavy card according to claim 1, characterized in that: and the self-checking information of the whole vehicle controller is broadcasted through the CAN.
4. The power-on and power-off control method of the pure electric heavy card according to claim 1, characterized in that: if the gear of the gear shifting handle is always in a non-N gear state or the feedback state of the motor controller and the high-voltage distribution box is incorrect, the whole vehicle controller cuts off the low-voltage ON gear power after waiting for the normal state of the whole vehicle controller, otherwise, the whole vehicle controller delays power off, and if the feedback is still abnormal, the low-voltage ON gear power is forcibly cut off.
5. The power-on and power-off control method of the pure electric heavy card according to claim 4, characterized in that: and the vehicle controller waits for 3 minutes at most when the power is off.
6. A power-on and power-off control method for a pure electric heavy card according to any one of claims 1-5, characterized in that: the chassis distribution box outputs two paths, one path is connected with a normal electric interface of the vehicle control unit, the other path is respectively connected with a power input end and a control input end of the relay, a control output end of the relay is connected with the control interface of the vehicle control unit, and a power output end of the relay is respectively connected with the motor controller, the high-voltage distribution box and the four-in-one controller through low-voltage lines to supply power; the cab power distribution box outputs two paths, one path is connected with an ON gear interface of the whole vehicle controller, the other path is connected with a power input end of a key switch, and a power output end of the key switch is connected with a fuse of the cab power distribution box; the starting signal output end of the key switch is connected with a signal input interface of the vehicle control unit; the motor controller, the high-voltage distribution box and the four-in-one controller are connected with the control end of the whole vehicle controller.
7. The power-on and power-off control method of the pure electric heavy card according to claim 6, characterized in that: the motor controller, the high-voltage distribution box and the four-in-one controller are connected with a control end of the whole vehicle controller through a CAN line.
8. The power-on and power-off control method of the pure electric heavy card according to claim 7, characterized in that: enabling power supplies of all the high-voltage controllers are uniformly switched on and off by the vehicle control unit in a low-drive mode.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112440991A (en) * | 2020-12-02 | 2021-03-05 | 北奔重型汽车集团有限公司 | Auxiliary early warning device applied to heavy truck |
| CN112590615B (en) * | 2020-12-30 | 2022-06-07 | 大运汽车股份有限公司 | Pure electric power-on and power-off control method for new-energy commercial vehicle |
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| CN113580942B (en) * | 2021-08-20 | 2023-06-23 | 河南牧原智能科技有限公司 | Device and method for controlling electric vehicle, electric vehicle and related products |
| CN113858958B (en) * | 2021-10-29 | 2023-06-20 | 江西五十铃汽车有限公司 | New energy pure electric light truck power-on and power-off control method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011068243A (en) * | 2009-09-25 | 2011-04-07 | Hitachi Kokusai Electric Inc | Method for switching auxiliary power source of mobile station device |
| CN203476583U (en) * | 2013-09-30 | 2014-03-12 | 陕西重型汽车有限公司 | Engine under-vehicle flameout circuit structure |
| CN103754115A (en) * | 2014-01-17 | 2014-04-30 | 北京智行鸿远汽车技术有限公司 | System and method for managing timing sequences of high-low voltage power-on and power-off of plug-in hybrid electric vehicles |
| JP2018038130A (en) * | 2016-08-30 | 2018-03-08 | トヨタ自動車株式会社 | Electric vehicle |
| CN108437803A (en) * | 2018-05-10 | 2018-08-24 | 江苏祥华车业有限公司 | A kind of low voltage control high pressure powering method of high speed new energy electric motor vehicle |
| CN110254237A (en) * | 2019-06-25 | 2019-09-20 | 江铃汽车股份有限公司 | A kind of electric car power-on and power-off vehicle mode control method |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7580235B2 (en) * | 2004-10-12 | 2009-08-25 | The Boeing Company | Systems and methods for monitoring and controlling circuit breakers |
| JP4917494B2 (en) * | 2007-07-31 | 2012-04-18 | 矢崎総業株式会社 | Voltage regulator |
| JP5523368B2 (en) * | 2011-02-10 | 2014-06-18 | 日立建機株式会社 | Power control circuit for work machines |
| KR101417308B1 (en) * | 2012-07-30 | 2014-07-08 | 기아자동차주식회사 | Active control system for Low DC/DC Converter in an electric vehicle |
| KR20140042597A (en) * | 2012-09-28 | 2014-04-07 | 엘에스산전 주식회사 | Apparatus and method for discharging voltage of vehicle |
| CN203237243U (en) * | 2013-05-23 | 2013-10-16 | 陕西重型汽车有限公司 | Electric control power device of hybrid electric vehicle |
| CN105128678B (en) * | 2015-10-13 | 2017-08-29 | 东风汽车股份有限公司 | High-voltage power-on and power-off control system and control method for pure electric vehicle |
| DE102015224067A1 (en) * | 2015-12-02 | 2017-06-08 | Borgward Trademark Holdings Gmbh | Battery management system, vehicle and method for battery relay control |
| CN105539156B (en) * | 2015-12-15 | 2018-03-27 | 北汽福田汽车股份有限公司 | High-voltage control circuit, method and automobile |
| CN106004510B (en) * | 2016-07-15 | 2018-08-10 | 奇瑞汽车股份有限公司 | The high-low pressure power-on and power-off sequential control method of pure electric automobile |
| CN206186800U (en) * | 2016-10-27 | 2017-05-24 | 中通客车控股股份有限公司 | Pure [electric] motor coach power -system control module distribution circuit |
| JP6708562B2 (en) * | 2017-01-16 | 2020-06-10 | トヨタ自動車株式会社 | Automobile |
| KR20180089826A (en) * | 2017-02-01 | 2018-08-09 | 엘지이노텍 주식회사 | Precharger |
| CN108583286A (en) * | 2018-04-25 | 2018-09-28 | 安徽华菱汽车有限公司 | A kind of pure electric coach high pressure power-on and power-off strategy |
| CN110281786B (en) * | 2019-05-27 | 2022-06-10 | 东风柳州汽车有限公司 | Power-on and power-off control method for electric automobile |
| CN110303905B (en) * | 2019-06-24 | 2023-05-05 | 中国第一汽车股份有限公司 | High-voltage topological structure for pure electric commercial vehicle and power-on and power-off control method |
-
2019
- 2019-12-30 CN CN201911405544.5A patent/CN111532136B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011068243A (en) * | 2009-09-25 | 2011-04-07 | Hitachi Kokusai Electric Inc | Method for switching auxiliary power source of mobile station device |
| CN203476583U (en) * | 2013-09-30 | 2014-03-12 | 陕西重型汽车有限公司 | Engine under-vehicle flameout circuit structure |
| CN103754115A (en) * | 2014-01-17 | 2014-04-30 | 北京智行鸿远汽车技术有限公司 | System and method for managing timing sequences of high-low voltage power-on and power-off of plug-in hybrid electric vehicles |
| JP2018038130A (en) * | 2016-08-30 | 2018-03-08 | トヨタ自動車株式会社 | Electric vehicle |
| CN108437803A (en) * | 2018-05-10 | 2018-08-24 | 江苏祥华车业有限公司 | A kind of low voltage control high pressure powering method of high speed new energy electric motor vehicle |
| CN110254237A (en) * | 2019-06-25 | 2019-09-20 | 江铃汽车股份有限公司 | A kind of electric car power-on and power-off vehicle mode control method |
Non-Patent Citations (1)
| Title |
|---|
| 电动汽车高压上下电控制电路及系统研究;李东艳等;《信息技术与信息化》;20160625(第06期);第85-87页 * |
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| CN111532136A (en) | 2020-08-14 |
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