CN110562055A - range extender for new energy automobile and control method - Google Patents

range extender for new energy automobile and control method Download PDF

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Publication number
CN110562055A
CN110562055A CN201910868877.5A CN201910868877A CN110562055A CN 110562055 A CN110562055 A CN 110562055A CN 201910868877 A CN201910868877 A CN 201910868877A CN 110562055 A CN110562055 A CN 110562055A
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China
Prior art keywords
engine
range extender
module
control module
generator
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Pending
Application number
CN201910868877.5A
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Chinese (zh)
Inventor
陆祖荣
杨继勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Kaiyue New Energy Vehicle Operation Co Ltd
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Wuxi Kaiyue New Energy Vehicle Operation Co Ltd
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Filing date
Publication date
Application filed by Wuxi Kaiyue New Energy Vehicle Operation Co Ltd filed Critical Wuxi Kaiyue New Energy Vehicle Operation Co Ltd
Priority to CN201910868877.5A priority Critical patent/CN110562055A/en
Publication of CN110562055A publication Critical patent/CN110562055A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
    • B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/22—Balancing the charge of battery modules
    • 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
    • Y02T10/62—Hybrid vehicles
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a range extender for a new energy automobile, belongs to the technical field of new energy automobiles, and aims to provide a range extender capable of extending the stroke of the new energy automobile. The problems that the battery endurance of an original new energy vehicle is limited, the charging is troublesome, the distribution of charging piles is limited, the stroke needs to be increased when special conditions are met, the battery endurance is difficult to supplement, and emergency cannot be achieved after the battery is damaged are solved. The invention discloses a control method of a range extender, and belongs to the technical field of new energy automobiles.

Description

Range extender for new energy automobile and control method
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a range extender for a new energy automobile and a control method.
Background
with the development of economic technology and the continuous innovation of technology, the development of new energy electric automobiles is highly valued by various national governments and is rapidly developed.
at present new forms of energy electric automobile mainly takes to fill electric pile and charges that charges, and the defect of its existence: firstly, the battery has limited cruising ability and is troublesome to charge; secondly, charging piles are limited in distribution, and when special conditions are met, the travel needs to be increased, but the battery endurance is not enough and is difficult to supplement; and thirdly, the emergency can not be realized after the battery is damaged.
disclosure of Invention
The invention aims to provide a range extender for a new energy automobile, which has the advantage of prolonging the range of the new energy automobile.
the technical purpose of the invention is realized by the following technical scheme:
A range extender for a new energy automobile comprises a power generation unit and a range extender control system, wherein the power generation unit comprises an engine, a fuel system and a permanent magnet synchronous generator;
the range extender control system comprises a power generation power demand module, a state management module, an engine output power demand module, a range extender working mode selection module, an engine control module and a generator control module;
The output end of the generating power demand module is connected to the input end of the state management module and the input end of the engine input power demand module; the output end of the state management module is connected with the input end of the engine control module and the input end of the generator control module; the output end of the engine output power demand module is connected to the input end of the engine control module and the input end of the generator control module; the output end of the range extender working mode selection module is connected to the input end of the engine control module and the input end of the generator control module.
By adopting the technical scheme, the engine is started when the stored electric quantity of the battery pack of the original vehicle is insufficient or the power of the battery pack of the original vehicle driving the vehicle is insufficient, and the permanent magnet synchronous generator is driven to provide electric energy for the motor driving the vehicle. The battery pack of the vehicle is prevented from being charged under the condition that the cruising ability of the primary battery pack is not enough.
Furthermore, the range extender further comprises a warm air water pump connected with the engine and a warm air blower connected with the warm air water pump and arranged in a compartment of the vehicle, the warm air blower is further connected with the engine, and the warm air blower is connected with a central control panel of the vehicle.
By adopting the technical scheme, the warm air water pump heats water through the engine, and then supplies heat to the interior of the vehicle compartment through the warm air blower, and does not use electric energy to supply heat to the warm air blower, so that the use of electric energy is reduced. The warm air blower and the warm air water pump realize the heating to the interior of the automobile according to the requirement, when the outdoor temperature is low, the heat energy of the charging system is utilized to drive the warm air in the automobile, the energy is further saved, the heavy current discharge of the battery at low temperature is avoided, the service life of the battery is prolonged, and the risk of the low-temperature discharge failure of the battery is reduced
Furthermore, the warm air blower is provided with a plurality of warm air outlets in a vehicle compartment.
Through adopting above-mentioned technical scheme, a plurality of warm braw exports evenly arrange in the vehicle carriage for the temperature in the vehicle carriage is more even.
the second purpose of the invention is to provide a control method of the range extender for the new energy automobile, which has the advantage of being capable of prolonging the range of the new energy automobile.
The technical purpose of the invention is realized by the following technical scheme:
A control method of the range extender is provided,
the power generation power demand module receives the energy demand of the whole vehicle, and obtains the output electric power demand value of the range extender system through conversion calculation; the output electric power demand value of the range extender system is input into a state management module and an engine output power demand module;
The state management module determines the current working state of the range extender according to the input signal of the range extender control system, the whole vehicle control request signal and the output electric power demand of the range extender system; the working state of the range extender is input into the engine control module and the generator control module;
The engine output power demand module determines an engine output power demand according to the output electric power demand of the range extender system and the working efficiency of the generator; determining the target rotating speed and the target torque of the engine according to the output power requirement of the engine and the optimal working path of the engine; inputting the target rotating speed and the target torque of the engine to the engine control module and the generator control module;
The range extender working mode selection module sets a range extender working mode and inputs the range extender working mode to the engine control module and the generator control module;
The engine control module determines an engine target instruction according to the working state of the range extender, the target rotating speed and the target torque of the engine work and the working mode of the engine;
The generator control module determines a generator target instruction according to the working state of the range extender, the target rotating speed and the target torque of the engine and the working mode of the generator.
Through adopting above-mentioned technical scheme, will increase journey ware and new energy automobile adaptation and use, solved original new energy automobile battery duration limited, the trouble of charging, fill electric pile distribution limited, meet the special circumstances and need increase the stroke, nevertheless battery duration is difficult to supply inadequately, the battery can't meet an urgent need the scheduling problem after damaging.
further, the state management module further comprises a battery active equalization submodule, and when the permanent magnet synchronous generator charges the battery pack, the battery active equalization submodule transfers energy between the battery cores exceeding a set pressure difference so as to balance influences caused by the pressure difference.
By adopting the technical scheme, the battery balance is realized by a real-time voltage and current control loop through a high-frequency transformer isolation conversion technology, the heating and electrolyte boiling evaporation consumption caused by over-discharge and over-charge of the battery of the electric car are avoided, and the battery is always kept in the optimal use state.
furthermore, the range extender is charged by adopting small current I balance, the power of the generator is adjusted by the battery active balance submodule according to the running condition of the vehicle, the discharge capacity of the battery pack is reduced, and the small current I balance charging is realized.
By adopting the technical scheme, the small current equalizing charge reduces the heat of battery charging and prolongs the service life of the battery.
Further, the small current I is 2A.
by adopting the technical scheme, the 2A current is not too large to damage the vehicle battery pack, and the balance condition is met.
Furthermore, a voltage and current acquisition loop is adopted to control the power supply system in a real-time closed-loop manner, so that the transferred energy can be adjusted in real time by the feedback signal.
By adopting the technical scheme, the voltage and current acquisition precision is higher, and the damage to the circuit caused by overlarge current and voltage floating when the battery is charged is avoided.
In conclusion, the invention has the following beneficial effects:
1. The problems that the battery endurance of the original new energy vehicle is limited, the charging is troublesome, the distribution of charging piles is limited, the travel needs to be increased under special conditions, the battery endurance is not enough and is difficult to supplement, and emergency cannot be realized after the battery is damaged are solved;
2. The warm air blower and the warm air water pump realize heating to the interior of the automobile as required, when the outdoor temperature is low, the heat energy of the charging system is utilized to drive the warm air in the automobile, so that the energy is further saved, the heavy current discharge of the battery at low temperature is avoided, the service life of the battery is prolonged, and the risk of the low-temperature discharge failure of the battery is reduced.
drawings
FIG. 1 is a system block diagram of a range extender in embodiment 1;
FIG. 2 is a system block diagram of a power generation unit in embodiment 1;
FIG. 3 is a schematic view of the intake of warm air in embodiment 1;
Fig. 4 is a system block diagram of a range extender control system in embodiment 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
example 1: a range extender for a new energy automobile is shown in figure 1 and comprises a power generation unit, a warm air water pump, a warm air blower and a range extender control system.
as shown in fig. 2, the power generation unit includes an engine, a fuel system and a permanent magnet synchronous generator, a driving shaft of the engine is connected with the permanent magnet synchronous generator, and the permanent magnet synchronous generator is externally connected with a vehicle and is connected with a motor of the vehicle in parallel by a battery pack.
As shown in fig. 3, the heater unit is provided in a vehicle compartment, and a plurality of air outlets are provided in the vehicle compartment. The warm air water pump is connected with the warm air blower to supply heat to the warm air blower, and water cooled by the warm air blower is introduced into the engine and is heated by heat generated by the engine. The warm air blower is connected with a central control panel of the vehicle, and a driver can control whether to supply heat to the compartment of the vehicle through the central control panel.
The warm air blower and the warm air water pump realize heating to the interior of the vehicle according to requirements, when the outdoor temperature is low, the heat energy of the engine is utilized to drive warm air in the vehicle, further energy is saved, the heavy current discharge of the battery at low temperature is avoided, the service life of the battery is prolonged, and the risk of the low-temperature discharge failure of the battery is reduced.
As shown in FIG. 4, the range extender control system includes a power generation power demand module, a state management module, an engine output power demand module, a range extender operating mode selection module, an engine control module, and a generator control module.
The output end of the generating power demand module is connected to the input end of the state management module and the input end of the engine input power demand module; the output end of the state management module is connected with the input end of the engine control module and the input end of the generator control module; the output end of the engine output power demand module is connected to the input end of the engine control module and the input end of the generator control module; the output end of the range extender working mode selection module is connected to the input end of the engine control module and the input end of the generator control module.
The state management module comprises a battery active equalization submodule, and when the permanent magnet synchronous generator charges the battery pack, the battery active equalization submodule transfers energy between the battery cores exceeding the set pressure difference so as to balance influences brought by the pressure difference.
Example 2: as shown in fig. 1-4, a power generation power demand module receives an energy demand of a whole vehicle, and obtains a demand value of output electric power of a range extender system through conversion calculation; and inputs the range extender system output electric power demand value to the state management module and the engine output power demand module.
The state management module determines the current working state of the range extender according to the input signal of the range extender control system, the whole vehicle control request signal and the output electric power demand of the range extender system; and the working state of the range extender is input into the engine control module and the generator control module. The state management module further comprises a battery active equalization submodule, and when the permanent magnet synchronous generator charges the battery pack, the battery active equalization submodule transfers energy between the battery cores exceeding the set pressure difference so as to balance influences brought by the pressure difference. The distance increasing device adopts low-current I balance for charging, the power of the generator is adjusted through the battery active balance submodule according to the running condition of the vehicle, the discharging amount of a battery pack is reduced, the low-current I balance charging is realized, and the low-current I is 2A. And a voltage and current acquisition loop is adopted to control a power supply system in a real-time closed-loop manner, so that the transferred energy can be adjusted in real time by a feedback signal.
The engine output power demand module determines an engine output power demand according to the output electric power demand of the range extender system and the working efficiency of the generator; determining the target rotating speed and the target torque of the engine according to the output power requirement of the engine and the optimal working path of the engine; and inputting the target rotating speed and the target torque of the engine operation into the engine control module and the generator control module.
The range extender working mode selection module sets a range extender working mode and inputs the range extender working mode to the engine control module and the generator control module.
The engine control module determines an engine target command according to the working state of the range extender, the target rotating speed and the target torque of the engine and the working mode of the engine.
the generator control module determines a generator target instruction according to the working state of the range extender, the target rotating speed and the target torque of the engine and the working mode of the generator.
the present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a new energy automobile is with increasing journey ware which characterized in that: the system comprises a power generation unit and a range extender control system, wherein the power generation unit comprises an engine, a fuel system and a permanent magnet synchronous generator, a driving shaft of the engine is connected with the permanent magnet synchronous generator, and the permanent magnet synchronous generator is externally connected with a vehicle self-contained battery pack and is connected with a motor of the vehicle in parallel;
The range extender control system comprises a power generation power demand module, a state management module, an engine output power demand module, a range extender working mode selection module, an engine control module and a generator control module;
The output end of the generating power demand module is connected to the input end of the state management module and the input end of the engine input power demand module; the output end of the state management module is connected with the input end of the engine control module and the input end of the generator control module; the output end of the engine output power demand module is connected to the input end of the engine control module and the input end of the generator control module; the output end of the range extender working mode selection module is connected to the input end of the engine control module and the input end of the generator control module.
2. The range extender for the new energy automobile according to claim 1, characterized in that: the range extender further comprises a warm air water pump connected with the engine and a warm air blower connected with the warm air water pump and arranged in a vehicle compartment, the warm air blower is further connected with the engine, and the warm air blower is connected with a central control panel of the vehicle.
3. The range extender for the new energy automobile according to claim 2, characterized in that: the warm air blower is provided with a plurality of warm air outlets in a vehicle compartment.
4. A range extender control method as set forth in claim 3, wherein:
the power generation power demand module receives the energy demand of the whole vehicle, and obtains the output electric power demand value of the range extender system through conversion calculation; the output electric power demand value of the range extender system is input into a state management module and an engine output power demand module;
The state management module determines the current working state of the range extender according to the input signal of the range extender control system, the whole vehicle control request signal and the output electric power demand of the range extender system; the working state of the range extender is input into the engine control module and the generator control module;
The engine output power demand module determines an engine output power demand according to the output electric power demand of the range extender system and the working efficiency of the generator; determining the target rotating speed and the target torque of the engine according to the output power requirement of the engine and the optimal working path of the engine; inputting the target rotating speed and the target torque of the engine to the engine control module and the generator control module;
The range extender working mode selection module sets a range extender working mode and inputs the range extender working mode to the engine control module and the generator control module;
the engine control module determines an engine target instruction according to the working state of the range extender, the target rotating speed and the target torque of the engine work and the working mode of the engine;
The generator control module determines a generator target instruction according to the working state of the range extender, the target rotating speed and the target torque of the engine and the working mode of the generator.
5. the range extender control method of claim 4, wherein: the state management module further comprises a battery active equalization submodule, and when the permanent magnet synchronous generator charges the battery pack, the battery active equalization submodule transfers energy between the battery cores exceeding the set pressure difference so as to balance influences brought by the pressure difference.
6. The range extender control method of claim 5, wherein: the distance increasing device adopts small current I balance for charging, the power of the generator is adjusted through the battery active balance submodule according to the running condition of the vehicle, the discharging amount of a battery pack is reduced, and the small current I balance charging is realized.
7. The range extender control method of claim 6, wherein: the small current I is 2A.
8. The range extender control method of claim 7, wherein: and a voltage and current acquisition loop is adopted to control a power supply system in a real-time closed-loop manner, so that the transferred energy can be adjusted in real time by a feedback signal.
CN201910868877.5A 2019-09-16 2019-09-16 range extender for new energy automobile and control method Pending CN110562055A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110300416A1 (en) * 2010-06-03 2011-12-08 Bertness Kevin I Battery pack maintenance for electric vehicle
CN108215813A (en) * 2018-01-15 2018-06-29 无锡增程电子科技有限公司 A kind of distance increasing unit control system and control method
CN207955252U (en) * 2017-12-29 2018-10-12 重庆瑞阳鑫驰新能源汽车有限责任公司 A kind of new-energy automobile and its water cooling distance increasing unit waste heat recovery warm air system
CN109774443A (en) * 2019-03-26 2019-05-21 奇瑞新能源汽车技术有限公司 A kind of extended-range electric vehicle heat management system and its control method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110300416A1 (en) * 2010-06-03 2011-12-08 Bertness Kevin I Battery pack maintenance for electric vehicle
CN207955252U (en) * 2017-12-29 2018-10-12 重庆瑞阳鑫驰新能源汽车有限责任公司 A kind of new-energy automobile and its water cooling distance increasing unit waste heat recovery warm air system
CN108215813A (en) * 2018-01-15 2018-06-29 无锡增程电子科技有限公司 A kind of distance increasing unit control system and control method
CN109774443A (en) * 2019-03-26 2019-05-21 奇瑞新能源汽车技术有限公司 A kind of extended-range electric vehicle heat management system and its control method

Non-Patent Citations (1)

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Title
沈镇: "基于双向反激式变压器的锂离子电池组主动均衡***设计", 《***仿真技术及其应用》 *

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Application publication date: 20191213

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