CN106915216A - Hybrid power novel battery heat management system based on multi-split air conditioner - Google Patents

Hybrid power novel battery heat management system based on multi-split air conditioner Download PDF

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Publication number
CN106915216A
CN106915216A CN201710021993.4A CN201710021993A CN106915216A CN 106915216 A CN106915216 A CN 106915216A CN 201710021993 A CN201710021993 A CN 201710021993A CN 106915216 A CN106915216 A CN 106915216A
Authority
CN
China
Prior art keywords
casing
battery case
air blower
driver
miniature roses
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710021993.4A
Other languages
Chinese (zh)
Inventor
范光辉
李兰强
张邦玲
尉国钢
张小聪
闵凡奇
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.)
INSTITUTE OF NEW ENERGY SHENZHEN
Shenzhen Guochuang Power System Co Ltd
Original Assignee
INSTITUTE OF NEW ENERGY SHENZHEN
Shenzhen Guochuang Power System Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by INSTITUTE OF NEW ENERGY SHENZHEN, Shenzhen Guochuang Power System Co Ltd filed Critical INSTITUTE OF NEW ENERGY SHENZHEN
Priority to CN201710021993.4A priority Critical patent/CN106915216A/en
Publication of CN106915216A publication Critical patent/CN106915216A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • 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
    • 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
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/88Optimized components or subsystems, e.g. lighting, actively controlled glasses

Abstract

The invention discloses a kind of hybrid power novel battery heat management system based on multi-split air conditioner, it includes expansion valve, compressor, condenser, driver's cabin management module, battery case thermal management module, expansion valve is connected with compressor, compressor is connected with condenser, expansion valve, condenser are all connected with driver's cabin management module, and driver's cabin management module is connected with battery case thermal management module.The present invention can reduce consumption, and temperature control effect is good, and simple structure, energy saving is easy to use.

Description

Hybrid power novel battery heat management system based on multi-split air conditioner
Technical field
The present invention relates to a kind of hybrid power novel battery heat management system, more particularly to one kind drags many air-conditionings based on one The hybrid power novel battery heat management system of system.
Background technology
As global energy crisis increasingly sharpen with environmental problem, orthodox car industry is faced with unprecedented sternness Challenge.Pure electric automobile as a kind of new energy-saving and environment-friendly automobile, with low energy consumption, simple structure, vibration and noise it is low, The advantages of non-pollutant discharge, the important directions as future automobile development.Hybrid vehicle refers to equipped with internal combustion engine and electricity Two kinds of automobiles of power of motivation.Hybrid vehicle is exactly to install a set of internal combustion engine additional on pure electric automobile, the purpose is to reduce The pollution of automobile, improves the distance travelled of pure electric automobile.
The technology of electric automobile most critical is exactly the capacity and service life problem of power battery pack, and temperature is held to battery Amount, discharge and recharge and service life have material impact.Extremes of temperature the service life of power battery pack can all be produced compared with Big influence.The drawbacks of traditional air-cooled, water-cooled and Phase cooling each have certain.Although air-cooled cost is relatively low, Cooling failure occurs in torridity summer, and can not be heated in Cold Winter.Water-cooled has cooling thoroughly excellent Point, but extra cooling recirculation system is needed, it is relatively costly, and in the heating of Cold Winter difficulty or ease.Phase cooling high cost, it is feasible Property is poor, using less.
In sum, the drawbacks of heat management system of traditional power battery pack all has certain.Either orthodox car Or new-energy automobile, there is a set of air-conditioning system.Especially hybrid power system, its battery capacity, quantity and volume all compare Pure electronic will lack a lot, therefore radiating of the cooling system to the electrokinetic cell system of hybrid power can be better than pure electronic effect A lot.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of hybrid power Novel electric based on multi-split air conditioner Pond heat management system, it can reduce consumption, and temperature control effect is good, and simple structure, energy saving is easy to use.
The present invention is to solve above-mentioned technical problem by following technical proposals:It is a kind of based on multi-split air conditioner Hybrid power novel battery heat management system, it includes expansion valve, compressor, condenser, driver's cabin management module, battery case heat Management module, expansion valve is connected with compressor, and compressor is connected with condenser, and expansion valve, condenser all manage mould with driver's cabin Block is connected, and driver's cabin management module is connected with battery case thermal management module.
Preferably, the driver's cabin management module includes main evaporator, driver's cabin air blower, driver's cabin, driver's cabin air blast Machine, driver's cabin are all connected with main evaporator, and driver's cabin air blower is located at the driver's cabin left side.
Preferably, the battery case thermal management module includes the first casing, the second casing, the 3rd casing, the 4th casing, the Five casings, the first casing is connected with the second casing, and the second casing is connected with the 3rd casing, and the 4th casing is located at the 3rd casing and the Between five casings, wherein:
First casing includes the first miniature roses, the first air blower, the first Battery case, the first air blower, the first electricity Pond casing is all connected with the first miniature roses, and the first air blower is located at the first Battery case left side;
Second casing includes the second miniature roses, the second air blower, the second Battery case, the second miniature roses and the Two air blowers are connected, and the second miniature roses are connected with the second Battery case;
3rd casing includes the 3rd miniature roses, the 3rd air blower, the 3rd Battery case, the 3rd air blower, the 3rd electricity Pond casing is all connected with the 3rd miniature roses, and the 3rd Battery case is located at the 3rd air blower right side;
4th casing includes the 4th miniature roses, the 4th air blower, the 4th Battery case, the 4th air blower, the 4th electricity Pond casing is all connected with the 4th miniature roses, and the 4th air blower is located at the 4th Battery case left side;
5th casing includes the 5th miniature roses, the 5th air blower, the 5th Battery case, the 5th miniature roses and the Five air blowers are connected, and the 5th miniature roses are connected with the 5th Battery case.
Preferably, first miniature roses, the second miniature roses, the 3rd miniature roses, the 4th miniature evaporation Device, the switch of the 5th miniature roses are all, by multi-channel electromagnetic valve control, so to ensure the separate of temperature adjustment.
Preferably, the temperature in the main evaporator control driver's cabin management module, first miniature roses are used for Control the stabilization in the first casing;Second miniature roses are used for controlling the temperature in the second casing;Described 3rd is miniature Evaporator is used for controlling the temperature in the 3rd casing;4th miniature roses are used for controlling the temperature in the 4th casing, institute The 5th miniature roses are stated for controlling the temperature in the 5th casing.
Preferably, the compressor is mainly used to the high-temperature gas of backflow to be compressed into gases at high pressure, it is condensed after become Highly pressurised liquid.
Preferably, the expansion valve is exactly that highly pressurised liquid is changed into low pressure liquid, and sweat cooling is reached by evaporator Effect.
Preferably, first air blower is mainly flowed by strengthening surface to the 5th air blower and reaches enhancing heat exchange Purpose, accelerates the heat convection of cold air.
Positive effect of the invention is:The present invention can utilize original air-conditioning system, without extra circulation System, by contrast, system architecture is relatively easy;It is good to battery core in casing (power battery pack) thermoregulation effect, it is possible to achieve cold But difunctional with heating, temperature control can be within ± 0.1 DEG C;Driver's cabin management module and battery case thermal management module temperature control Mutually it is completely independent, the temperature control in each casing between battery core (power battery pack) is also separate;Battery core is (dynamic in casing Power battery pack) sealed compartment small volume, if used thermal insulation material, the power consumption of miniature roses is very low;By automatically controlled design, Battery core (power battery pack) can control magnetic valve or air conditioner motor in the case where temperature is adapted to (such as 20 DEG C -40 DEG C) in casing Do not start, so as to save mass energy;The temperature of battery core (power battery pack) is that positive correlation is closed in the temperature and casing of driver's cabin System, therefore either winter or summer, are consistent to the requirement that evaporator refrigeration is heated;With use air-conditioning air cooling phase Need not open air-conditioning in driver's cabin than, the present invention, air only in the flowing of power battery pack pressurized cabin inner loop, not with The external world carries out mass transter, so as to significantly save mass energy;Automotive air-conditioning system subsystems are both that seriation standardization is produced Product, it is also possible to personalized customized, therefore increase evaporator system and will not excessively increase the complexity of system architecture, but automatically controlled side Face needs to study emphatically;Because the pressurized cabin spatial volume of battery core (power battery pack) in casing is little, and using guarantor Adiabator;Although power battery pack carries out temperature control using evaporator, the energy content of battery also will not be excessively consumed, substantially estimated, Energy only half of power battery pack caloric value or so that air-conditioning is consumed in temperature control.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Specific embodiment
Present pre-ferred embodiments are given below in conjunction with the accompanying drawings, to describe technical scheme in detail.
As shown in figure 1, hybrid power novel battery heat management system of the present invention based on multi-split air conditioner is including swollen Swollen valve, compressor, condenser, driver's cabin management module, battery case thermal management module, expansion valve are connected with compressor, compressor It is connected with condenser, expansion valve, condenser are all connected with driver's cabin management module, driver's cabin management module and battery case heat management Module is connected.
The driver's cabin management module includes main evaporator, driver's cabin air blower, driver's cabin, driver's cabin air blower, driving Room is all connected with main evaporator, and driver's cabin air blower is located at the driver's cabin left side.
The battery case thermal management module includes the first casing, the second casing, the 3rd casing, the 4th casing, the 5th casing, First casing is connected with the second casing, and the second casing is connected with the 3rd casing, and the 4th casing is located at the 3rd casing and the 5th casing Between, wherein:
First casing includes the first miniature roses, the first air blower, the first Battery case, the first air blower, the first electricity Pond casing is all connected with the first miniature roses, and the first air blower is located at the first Battery case left side;
Second casing includes the second miniature roses, the second air blower, the second Battery case, the second miniature roses and the Two air blowers are connected, and the second miniature roses are connected with the second Battery case;
3rd casing includes the 3rd miniature roses, the 3rd air blower, the 3rd Battery case, the 3rd air blower, the 3rd electricity Pond casing is all connected with the 3rd miniature roses, and the 3rd Battery case is located at the 3rd air blower right side;
4th casing includes the 4th miniature roses, the 4th air blower, the 4th Battery case, the 4th air blower, the 4th electricity Pond casing is all connected with the 4th miniature roses, and the 4th air blower is located at the 4th Battery case left side;
5th casing includes the 5th miniature roses, the 5th air blower, the 5th Battery case, the 5th miniature roses and the Five air blowers are connected, and the 5th miniature roses are connected with the 5th Battery case.
First miniature roses, the second miniature roses, the 3rd miniature roses, the 4th miniature roses, the 5th The switch of miniature roses is all, by multi-channel electromagnetic valve control, so to ensure the separate of temperature adjustment.
Temperature in the main evaporator control driver's cabin management module, first miniature roses are used for controlling first Stabilization in casing;Second miniature roses are used for controlling the temperature in the second casing;3rd miniature roses are used To control the temperature in the 3rd casing;4th miniature roses are used for controlling the temperature in the 4th casing, and the described 5th is micro- Type evaporator is used for controlling the temperature in the 5th casing.
First miniature roses are located in the first casing, and cross-ventilation is strengthened by the blowing of the first air blower, but It is that air flow is inner loop, can so improves the degree of protection of casing, reduces energy loss and obtain more high energy efficiency.
Second miniature roses are located in the second casing, and cross-ventilation is strengthened by the blowing of the second air blower, but It is that air flow is inner loop, can so improves the degree of protection of casing, reduces energy loss and obtain more high energy efficiency.
3rd miniature roses are located in the 3rd casing, and cross-ventilation is strengthened by the blowing of the 3rd air blower, but It is that air flow is inner loop, can so improves the degree of protection of casing, reduces energy loss and obtain more high energy efficiency.
4th miniature roses are located in the 4th casing, and cross-ventilation is strengthened by the blowing of the 4th air blower, but It is that air flow is inner loop, can so improves the degree of protection of casing, reduces energy loss and obtain more high energy efficiency.
5th miniature roses are located in the 5th casing, and cross-ventilation is strengthened by the blowing of the 5th air blower, but It is that air flow is inner loop, can so improves the degree of protection of casing, reduces energy loss and obtain more high energy efficiency.
The compressor is mainly used to the high-temperature gas of backflow to be compressed into gases at high pressure, it is condensed after become high pressure liquid Body.
The expansion valve is exactly that highly pressurised liquid is changed into low pressure liquid, and the effect of sweat cooling is reached by evaporator.
First air blower to the 5th air blower mainly flows the purpose for reaching enhancing heat exchange by strengthening surface, plus The heat convection of fast cold air.
Particular embodiments described above, technical problem, technical scheme and beneficial effect to solution of the invention are carried out Further describe, should be understood that and the foregoing is only specific embodiment of the invention, be not limited to The present invention, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, done etc., should be included in this Within the protection domain of invention.

Claims (8)

1. a kind of hybrid power novel battery heat management system based on multi-split air conditioner, it is characterised in that it includes swollen Swollen valve, compressor, condenser, driver's cabin management module, battery case thermal management module, expansion valve are connected with compressor, compressor It is connected with condenser, expansion valve, condenser are all connected with driver's cabin management module, driver's cabin management module and battery case heat management Module is connected.
2. the hybrid power novel battery heat management system of multi-split air conditioner, its feature are based on as claimed in claim 1 It is that the driver's cabin management module includes main evaporator, driver's cabin air blower, driver's cabin, and driver's cabin air blower, driver's cabin are all It is connected with main evaporator, driver's cabin air blower is located at the driver's cabin left side.
3. the hybrid power novel battery heat management system of multi-split air conditioner, its feature are based on as claimed in claim 1 It is that the battery case thermal management module includes the first casing, the second casing, the 3rd casing, the 4th casing, the 5th casing, the One casing is connected with the second casing, and the second casing is connected with the 3rd casing, the 4th casing be located at the 3rd casing and the 5th casing it Between, wherein:
First casing includes the first miniature roses, the first air blower, the first Battery case, the first air blower, the first battery case Body is all connected with the first miniature roses, and the first air blower is located at the first Battery case left side;
Second casing includes the second miniature roses, the second air blower, the second Battery case, the second miniature roses and the second drum Blower fan is connected, and the second miniature roses are connected with the second Battery case;
3rd casing includes the 3rd miniature roses, the 3rd air blower, the 3rd Battery case, the 3rd air blower, the 3rd battery case Body is all connected with the 3rd miniature roses, and the 3rd Battery case is located at the 3rd air blower right side;
4th casing includes the 4th miniature roses, the 4th air blower, the 4th Battery case, the 4th air blower, the 4th battery case Body is all connected with the 4th miniature roses, and the 4th air blower is located at the 4th Battery case left side;
5th casing includes the 5th miniature roses, the 5th air blower, the 5th Battery case, the 5th miniature roses and the 5th drum Blower fan is connected, and the 5th miniature roses are connected with the 5th Battery case.
4. the hybrid power novel battery heat management system of multi-split air conditioner, its feature are based on as claimed in claim 3 It is, it is first miniature roses, the second miniature roses, the 3rd miniature roses, the 4th miniature roses, the 5th miniature The switch of evaporator is all, by multi-channel electromagnetic valve control, so to ensure the separate of temperature adjustment.
5. the hybrid power novel battery heat management system of multi-split air conditioner, its feature are based on as claimed in claim 4 It is that the temperature in the main evaporator control driver's cabin management module, first miniature roses are used for controlling the first case Internal stabilization;Second miniature roses are used for controlling the temperature in the second casing;3rd miniature roses are used for Control the temperature in the 3rd casing;4th miniature roses are used for controlling the temperature in the 4th casing, and the described 5th is miniature Evaporator is used for controlling the temperature in the 5th casing.
6. the hybrid power novel battery heat management system of multi-split air conditioner, its feature are based on as claimed in claim 3 Be that the compressor is mainly used to the high-temperature gas of backflow to be compressed into gases at high pressure, it is condensed after become highly pressurised liquid.
7. the hybrid power novel battery heat management system of multi-split air conditioner, its feature are based on as claimed in claim 3 It is that the expansion valve is exactly that highly pressurised liquid is changed into low pressure liquid, the effect of sweat cooling is reached by evaporator.
8. the hybrid power novel battery heat management system of multi-split air conditioner, its feature are based on as claimed in claim 3 It is that first air blower to the 5th air blower mainly flows the purpose for reaching enhancing heat exchange by strengthening surface, accelerates The heat convection of cold air.
CN201710021993.4A 2017-01-12 2017-01-12 Hybrid power novel battery heat management system based on multi-split air conditioner Pending CN106915216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710021993.4A CN106915216A (en) 2017-01-12 2017-01-12 Hybrid power novel battery heat management system based on multi-split air conditioner

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Application Number Priority Date Filing Date Title
CN201710021993.4A CN106915216A (en) 2017-01-12 2017-01-12 Hybrid power novel battery heat management system based on multi-split air conditioner

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108501745A (en) * 2018-03-29 2018-09-07 南京酷朗电子有限公司 Batteries of electric automobile is grouped heat management system
CN109591541A (en) * 2017-09-30 2019-04-09 比亚迪股份有限公司 The temperature control method and humidity control system of on-vehicle battery

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954615A (en) * 2011-08-31 2013-03-06 杭州三花研究院有限公司 Electric automobile and heat management system thereof
EP2114714B1 (en) * 2007-02-09 2013-10-23 A123 Systems, Inc. Control system and hybrid vehicles with reconfigurable multi-function power converter
CN105882353A (en) * 2016-06-01 2016-08-24 肇庆高新区凯盈顺汽车设计有限公司 Electricity-saving air conditioner for vehicle
CN105937810A (en) * 2016-06-20 2016-09-14 合肥卡诺汽车空调有限公司 Automobile air conditioning system with battery thermal management function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2114714B1 (en) * 2007-02-09 2013-10-23 A123 Systems, Inc. Control system and hybrid vehicles with reconfigurable multi-function power converter
CN102954615A (en) * 2011-08-31 2013-03-06 杭州三花研究院有限公司 Electric automobile and heat management system thereof
CN105882353A (en) * 2016-06-01 2016-08-24 肇庆高新区凯盈顺汽车设计有限公司 Electricity-saving air conditioner for vehicle
CN105937810A (en) * 2016-06-20 2016-09-14 合肥卡诺汽车空调有限公司 Automobile air conditioning system with battery thermal management function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109591541A (en) * 2017-09-30 2019-04-09 比亚迪股份有限公司 The temperature control method and humidity control system of on-vehicle battery
CN109591541B (en) * 2017-09-30 2021-04-20 比亚迪股份有限公司 Temperature adjusting method and temperature adjusting system for vehicle-mounted battery
CN108501745A (en) * 2018-03-29 2018-09-07 南京酷朗电子有限公司 Batteries of electric automobile is grouped heat management system
CN108501745B (en) * 2018-03-29 2019-04-12 南京酷朗电子有限公司 Batteries of electric automobile is grouped heat management system

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Application publication date: 20170704

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