CN108054459A - A kind of heat management system and thermal management algorithm of Vehicular battery bag - Google Patents

A kind of heat management system and thermal management algorithm of Vehicular battery bag Download PDF

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Publication number
CN108054459A
CN108054459A CN201711065487.1A CN201711065487A CN108054459A CN 108054459 A CN108054459 A CN 108054459A CN 201711065487 A CN201711065487 A CN 201711065487A CN 108054459 A CN108054459 A CN 108054459A
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China
Prior art keywords
battery pack
temperature
air
threshold
battery
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Granted
Application number
CN201711065487.1A
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Chinese (zh)
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CN108054459B (en
Inventor
胡攀
陈东亚
李连豹
韦虹
李军
王瑞平
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Ningbo Geely Royal Engine Components Co Ltd
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Ningbo Geely Royal Engine Components Co Ltd
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Priority to CN201711065487.1A priority Critical patent/CN108054459B/en
Publication of CN108054459A publication Critical patent/CN108054459A/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/615Heating or keeping warm
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/633Control systems characterised by algorithms, flow charts, software details or the like
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • H01M10/6568Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/66Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
    • H01M10/663Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a kind of heat management systems and thermal management algorithm of Vehicular battery bag, are related to technical field of vehicle.The heat management system of the Vehicular battery bag includes environment temperature sensor, battery temperature sensor, electronic control unit and water circulation channel, the water circulation channel passes through electronic water pump, battery pack, radiator and air-conditioning cooling device successively, for conducting the heat that the battery pack generates, when the temperature that the environment temperature sensor detects is not less than first threshold, and the temperature that the battery temperature sensor detects reaches second threshold and during not less than three threshold value, and the radiator cools down the battery pack together with the air-conditioning cooling device.The present invention also provides corresponding thermal management algorithms.By the invention it is possible to lengthen the course continuation mileage of Vehicular battery bag, for hybrid electric vehicle, vehicle oil consumption can also be reduced, therefore greatly improves the effect of energy-saving and emission-reduction.

Description

A kind of heat management system and thermal management algorithm of Vehicular battery bag
Technical field
The present invention relates to technical field of vehicle, heat management system and heat management side more particularly to a kind of Vehicular battery bag Method.
Background technology
At this stage, battery pack is as pure electric vehicle and the main power source of hybrid electric vehicle operation, normal work Make to need the condition met requirement more harsh, wherein be on the one hand the operating temperature of battery pack, it need to be in certain temperature range Optimum state can be operated in.
Currently in order to make battery pack operating temperature stablize within the specific limits, be generally only individually using air-conditioning system come Cool down to battery pack or cooled down in the case where battery pack is in low-temperature condition using radiator, is in battery pack under the condition of high temperature Individually cooled down using air-conditioning system.
Cooled down using aforesaid way to battery pack, air-conditioning system certainly will be caused to consume more electricity, and these electricity are equal It is provided by Vehicular battery bag, therefore, the consequence brought is that the course continuation mileage of Vehicular battery bag is caused to shorten, for hybrid power For vehicle, the shortening of battery pack course continuation mileage can directly cause the rising of vehicle oil consumption, this advocates energy saving with current country The theory of emission reduction is entirely what is run in the opposite direction.
The content of the invention
It is an object of the invention to provide a kind of heat management systems of Vehicular battery bag, and the system to battery pack when cooling down The energy loss of air-conditioning system can be reduced, so as to lengthen the course continuation mileage of battery pack, for hybrid electric vehicle, also may be used To reduce vehicle oil consumption, the purpose of energy-saving and emission-reduction is finally reached.
It is another object of the present invention to provide a kind of thermal management algorithm of Vehicular battery bag, in this way, to Battery pack can fully reduce the energy loss of air-conditioning system when cooling down, dynamic for mixing so as to lengthen the course continuation mileage of battery pack For power vehicle, vehicle oil consumption can also be reduced, is finally reached the purpose of energy-saving and emission-reduction.
Particularly, the present invention provides a kind of heat management system of Vehicular battery bag, for adjusting the temperature of the battery pack Degree, including:
Environment temperature sensor, for detecting the temperature of the battery pack ambient enviroment;
Battery temperature sensor is installed at the battery pack, for detecting the temperature of the battery pack;
Electronic control unit is connected respectively with the environment temperature sensor and the battery temperature sensor, for connecing Receive and judge the temperature that the environment temperature sensor detects and the temperature that the battery temperature sensor detects;With
Water circulation channel, the water circulation channel is successively by electronic water pump, battery pack, radiator and air-conditioning cooling dress It puts, for conducting the heat that the battery pack generates, when the electronic control unit receives and judges that the environment temperature passes The temperature that sensor detects is not less than first threshold, and the temperature that the battery temperature sensor detects reaches second threshold And during not less than three threshold values, the radiator is together with the air-conditioning cooling device by the water circulation channel to the electricity Chi Bao is cooled down.
Further, the first threshold is 25 DEG C;
Optionally, the second threshold is 30 DEG C, and the 3rd threshold value is 35 DEG C.
Further, the air-conditioning cooling device includes air-conditioning system and cooling device, and the water circulation channel passes through institute The water side-entrance end of cooling device and water side outlet end are stated, the air-conditioning system connects the refrigerant side of the cooling device Mouthful.
Further, the electronic control unit is connected with the electronic water pump, for controlling the electronic water pump Working condition;
Optionally, the electronic control unit is connected with the air-conditioning system, for controlling the work of the air-conditioning system Make state.
Further, heating system is further included, between the battery pack and the radiator, the water circulation channel By the heating system, when the electronic control unit receives and judge the temperature that the battery temperature sensor detects During not up to four threshold value, the water circulation channel is successively by electronic water pump, battery pack, heating system and air-conditioning cooling dress It puts, the air-conditioning cooling device is in off working state, and the heating system is in running order with to battery pack progress Heating;
Optionally, the 4th threshold value is 10 DEG C.
Further, the heating system includes heat exchanger and heating unit, and the water circulation channel passes through the heat exchange The cold side jacket inlet end of device covers the port of export with cold side water, and the heating unit connects the hot side water jacket port of the heat exchanger.
Further, the electronic control unit is connected with the heating unit, for controlling the heating unit Working condition.
Further, further include three-way control valve, respectively with the heating system, the radiator and the air-conditioning cold But device connect, the water circulation channel pass through the three-way control valve, while the three-way control valve also with the electronics control Unit processed is connected, and the opening and closing of three ports of the three-way control valve is controlled by the electronic control unit, so as to select Property the radiator is connected into the water circulation channel.
Further, water cooling charge air cooler is further included, between the electronic water pump and the heating system, and the water Circulation canal passes through the water cooling charge air cooler, for reducing the intake air temperature of vehicle motor.
Particularly, the present invention also provides a kind of thermal management algorithm of Vehicular battery bag, for adjusting the battery pack Temperature, it includes following steps:
Detect the temperature of the battery pack ambient enviroment and the temperature of the battery pack;
When the temperature of the battery pack ambient enviroment is not less than first threshold, and the temperature of the battery pack reaches second Threshold value and during not less than three threshold values, the radiator is together with the air-conditioning cooling device by the water circulation channel to institute Battery pack is stated to be cooled down;
Optionally, the first threshold is 25 DEG C;
Optionally, the second threshold is 30 DEG C, and the 3rd threshold value is 35 DEG C;
Optionally, temperature when the battery pack ambient enviroment is further included not less than first threshold, and the battery pack Temperature reaches the 4th threshold value and during not less than second threshold, only with the radiator by the water circulation channel to the electricity The step of Chi Bao is cooled down;
Optionally, the 4th threshold value is 10 DEG C;
Optionally, further include when the temperature of the battery pack ambient enviroment is more than first threshold, only with the air-conditioning The step of cooling device cools down the battery pack by the water circulation channel;
Optionally, further include when the temperature of the battery pack is not up to four threshold values, lead to only with the heating system Cross the step of water circulation channel heats the battery pack.
The heat management system and thermal management algorithm of the Vehicular battery bag of the present invention, by certain battery pack temperature and battery In bag ambient temperature range, cooled down using radiator and the combination of both air-conditioning cooling device to Vehicular battery bag, dissipated The application of hot device within this temperature range, greatly reduces the energy loss of air-conditioning cooling device, thus can lengthen battery pack Course continuation mileage, for hybrid electric vehicle, vehicle oil consumption can also be reduced, therefore greatly improve the effect of energy-saving and emission-reduction Fruit.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments of detailed description of the present invention by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter. Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the functional block diagram of the heat management system of Vehicular battery bag according to an embodiment of the invention;
Fig. 2 is the flow chart of the thermal management algorithm of Vehicular battery bag according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the functional block diagram of the heat management system of Vehicular battery bag according to an embodiment of the invention, such as Fig. 1 institutes Show, the heat management system of the Vehicular battery bag is used to adjust the temperature of the battery pack, general to include environment Temperature sensor 1, battery temperature sensor 2, electronic control unit 3 and water circulation channel 4.The environment temperature sensor 1 is used In the temperature for detecting the battery pack ambient enviroment.The battery temperature sensor 2 is installed at the battery pack, for detecting The temperature of the battery pack.The electronic control unit 3 senses respectively with the environment temperature sensor 1 and the battery temperature Device 2 is connected, for receiving and judging that temperature that the environment temperature sensor 1 detects and the battery temperature sensor 2 are examined The temperature measured.The water circulation channel 4 is according to the flow direction of recirculated water successively by electronic water pump 5, battery pack 6, heat dissipation Device 7 and air-conditioning cooling device 8, for conducting the heat that the battery pack 6 generates, when the electronic control unit 3 receives and sentences Break and temperature that the environment temperature sensor 1 detects not less than first threshold, and the battery temperature sensor 2 detects The temperature gone out reaches second threshold and during not less than three threshold value, and the radiator 7 passes through together with the air-conditioning cooling device 8 The water circulation channel 4 cools down the battery pack 6.Herein, the first threshold can be 25 DEG C, second threshold Value can be 30 DEG C, and the 3rd threshold value can be 35 DEG C.
The heat management system of the Vehicular battery bag of the present invention, by certain battery pack temperature and battery pack ambient enviroment temperature In the range of degree, cooled down using radiator 7 and both air-conditioning cooling device 8 combinations to Vehicular battery bag, radiator 7 is in the temperature Application in the range of degree, greatly reduces the energy loss of air-conditioning cooling device 8, thus can lengthen in the continuation of the journey of battery pack Journey for hybrid electric vehicle, can also reduce vehicle oil consumption, therefore greatly improve the effect of energy-saving and emission-reduction.
In an embodiment of the invention, the air-conditioning cooling device 8 can include air-conditioning system 9 and cooling device 10, The water circulation channel 4 connects institute by the water side-entrance end of the cooling device 10 and water side outlet end, the air-conditioning system 9 State the refrigerant side port of cooling device 10.By the way that air-conditioning system 9 is connected with the refrigerant side port of cooling device 10, air-conditioning System 9 can be just the water cooling in water circulation channel 4, so as to achieve the purpose that reduce by 6 temperature of battery pack.Herein, ability Field technique personnel are appreciated that the cooling device 10 can be water-cooling apparatus or others can be in the cooling The device of heat exchange place in device is provided, is not described in detail herein.
Particularly, the electronic control unit 3 can be connected with the electronic water pump 5, for controlling the electronic water The working condition of pump 5.The electronic control unit 3 can be connected with the air-conditioning system 9, for controlling the air-conditioning system 9 working condition.
Battery pack 6 not only can need to cool down due to own temperature is excessively high, as own temperature it is too low and cannot be normal Work, therefore, in an embodiment of the invention, the heat management system of the Vehicular battery bag can also include heating system 11, between the battery pack 6 and the radiator 7, the water circulation channel 4 passes through the heating system 11, when described It is described when electronic control unit 3 receives and judge that the temperature that the battery temperature sensor 2 detects is not up to four threshold values Water circulation channel 4 is successively by electronic water pump 5, battery pack 6, heating system 11 and air-conditioning cooling device 8, the air-conditioning cooling dress 8 are put in off working state, the heating system 11 is in running order to be heated to the battery pack 6.Herein, institute It can be 10 DEG C to state the 4th threshold value.Battery pack 6 is heated by heating system 11, has fully ensured that the normal of battery pack 6 Work, is conducive to the stable operation of vehicle.
Particularly, in an embodiment of the invention, the heating system 11 can include heat exchanger 12 and heating unit 13, the water circulation channel 4 covers the port of export, the heating dress by the cold side jacket inlet end of the heat exchanger 12 with cold side water Put the hot side water jacket port of the 13 connections heat exchanger 12.The setting of heat exchanger 12 provides the heat of the water in water circulation channel 4 Clearing house so that heat can be more successfully transferred to by water circulation channel 4 in battery pack 6 by heating unit 13, be ensured The normal work of battery pack 6.Herein, it will be understood by those skilled in the art that the heating unit 13 can be electrical heating dress It puts or other suitable heating units in the prior art, does not describe in detail herein.
Particularly, the electronic control unit 3 can be connected with the heating unit 13, for controlling the heating dress Put 13 working condition.
The heating that connection needs in water circulation channel 4 for convenience or cooling device, in one embodiment of the invention In, the heat management system of the Vehicular battery bag can also include three-way control valve 14, respectively with the heating system 11, institute It states radiator 7 to be connected with the air-conditioning cooling device 8, the water circulation channel 4 passes through the three-way control valve 14, while described Three-way control valve 14 is also connected with the electronic control unit 3, by the electronic control unit 3 threeway is controlled to control The opening and closing of three ports of valve 14, so as to which selectively the radiator 7 is connected into the water circulation channel 4.Specifically, work as Need radiator 7 together with air-conditioning cooling device 8 for battery pack 6 cool down when, as shown in Figure 1, electronic control unit 3 control threeway The a ends of control valve 14 are connected with c ends, in this way, radiator 7 and air-conditioning cooling device 8 can together with given by water circulation channel 4 Battery pack 6 cools down.When heating system 11 is needed to heat up to battery pack 6, as shown in Figure 1, electronic control unit 3 controls threeway control The a ends of valve 14 processed are connected with b ends, in this way, heating system 11 has just been connected into water circulation channel 4, it therefore, can be in time to electricity 6 heating of pond bag.
Above-described heat management system can be applied in pure electric vehicle and hybrid electric vehicle, and for being equipped with The hybrid electric vehicle of engine with supercharger, in an embodiment of the invention, the heat management system of the Vehicular battery bag may be used also To include water cooling charge air cooler 15, between the electronic water pump 5 and the heating system 11, and the water circulation channel 4 passes through The water cooling charge air cooler 15 is crossed, for reducing the intake air temperature of vehicle motor.Water cooling charge air cooler 15 is connected into water circulation channel 4 It is interior, while heat management system cools down to battery pack 6, also can fully it be cooled down to the gas that will enter engine, So that Engine Inlet Temperature is controlled in reduced levels always, thus sufficiently lowers the fuel consumption of hybrid electric vehicle, into One step improves the effect of energy-saving and emission-reduction.
Particularly, the present invention also provides a kind of thermal management algorithm of Vehicular battery bag, as shown in Fig. 2, Fig. 2 is according to this The flow chart of the thermal management algorithm of the Vehicular battery bag of invention one embodiment, it is general to comprise the following steps:
S100 detects the temperature of the battery pack ambient enviroment and the temperature of the battery pack;
S200, when the temperature of the battery pack ambient enviroment is not less than first threshold, and the temperature of the battery pack reaches During to second threshold and not less than three threshold values, the radiator is cycled logical together with the air-conditioning cooling device by the water Road cools down the battery pack.Herein, the first threshold can be 25 DEG C;The second threshold can be 30 DEG C, 3rd threshold value can be 35 DEG C.
The thermal management algorithm of the Vehicular battery bag passes through in certain battery pack temperature and battery pack ambient temperature model In enclosing, cooled down using radiator 7 and both air-conditioning system combinations to Vehicular battery bag, radiator 7 is within this temperature range Application, the energy loss of air-conditioning system is greatly reduced, thus the course continuation mileage of battery pack can be lengthened, for hybrid power For vehicle, vehicle oil consumption can also be reduced, therefore greatly improves the effect of energy-saving and emission-reduction.
In addition, within the temperature range of other, the thermal management algorithm of the Vehicular battery bag can also be included when the electricity The temperature of pond bag ambient enviroment is not less than first threshold, and the temperature of the battery pack reaches the 4th threshold value and not less than the second threshold During value, the step of cooling only with the radiator by the water circulation channel to the battery pack.Herein, it is described 4th threshold value can be 10 DEG C.
At the same time it can also include when the temperature of the battery pack ambient enviroment is more than first threshold, only with the sky The step of cooling device is adjusted to be cooled down by the water circulation channel to the battery pack.
Further, when battery pack temperature too it is low cause cisco unity malfunction or cause work efficiency low when, can be with Including when the temperature of the battery pack is not up to four threshold values, passing through the water circulation channel pair only with the heating system The step of battery pack is heated.
To sum up, the thermal management algorithm of the Vehicular battery bag is by the range of different temperatures, individually using radiator or Person's air-conditioning cooling device or radiator combines with air-conditioning cooling device cools down battery pack, not only effectively protects It has demonstrate,proved battery pack normally to work, has extended the service life of battery pack, while be greatly reduced the energy of air-conditioning cooling device Amount loss, thus the course continuation mileage of battery pack can be lengthened, for hybrid electric vehicle, vehicle oil consumption can also be reduced, Therefore the effect of energy-saving and emission-reduction is greatly improved.
So far, although those skilled in the art will appreciate that detailed herein have shown and described the exemplary of the present invention Embodiment still, without departing from the spirit and scope of the present invention, still can be determined directly according to the present disclosure Or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the invention should be understood and defined as Cover other all these variations or modifications.

Claims (10)

1. a kind of heat management system of Vehicular battery bag, for adjusting the temperature of the battery pack, including:
Environment temperature sensor, for detecting the temperature of the battery pack ambient enviroment;
Battery temperature sensor is installed at the battery pack, for detecting the temperature of the battery pack;
Electronic control unit is connected respectively with the environment temperature sensor and the battery temperature sensor, for receiving simultaneously Judge the temperature that the environment temperature sensor detects and the temperature that the battery temperature sensor detects;With
Water circulation channel, the water circulation channel by electronic water pump, battery pack, radiator and air-conditioning cooling device, are used successively In the heat for conducting the battery pack generation, when the electronic control unit receives and judges the environment temperature sensor inspection The temperature measured is not less than first threshold, and the temperature that the battery temperature sensor detects reaches second threshold and do not surpass When crossing three threshold values, the radiator together with the air-conditioning cooling device by the water circulation channel to the battery pack into Row cooling.
2. the heat management system of Vehicular battery bag according to claim 1, which is characterized in that the first threshold is 25 ℃;
Optionally, the second threshold is 30 DEG C, and the 3rd threshold value is 35 DEG C.
3. the heat management system of Vehicular battery bag according to claim 1 or 2, which is characterized in that the air-conditioning cooling dress It puts including air-conditioning system and cooling device, the water circulation channel is by the water side-entrance end of the cooling device and water side outlet End, the air-conditioning system connect the refrigerant side port of the cooling device.
4. the heat management system of Vehicular battery bag according to claim 3, which is characterized in that the electronic control unit with The electronic water pump is connected, for controlling the working condition of the electronic water pump;
Optionally, the electronic control unit is connected with the air-conditioning system, for controlling the work shape of the air-conditioning system State.
5. the heat management system of the Vehicular battery bag according to any one of claim 1-4, which is characterized in that further include and add Hot systems, between the battery pack and the radiator, the water circulation channel passes through the heating system, when the electricity When sub-control unit receives and judge that the temperature that the battery temperature sensor detects is not up to four threshold values, the water follows For ring passage successively by electronic water pump, battery pack, heating system and air-conditioning cooling device, the air-conditioning cooling device is in non-work Make state, the heating system is in running order to be heated to the battery pack;
Optionally, the 4th threshold value is 10 DEG C.
6. the heat management system of Vehicular battery bag according to claim 5, which is characterized in that the heating system includes changing Hot device and heating unit, the water circulation channel cover the port of export by the cold side jacket inlet end of the heat exchanger with cold side water, The heating unit connects the hot side water jacket port of the heat exchanger.
7. the heat management system of Vehicular battery bag according to claim 6, which is characterized in that the electronic control unit with The heating unit is connected, for controlling the working condition of the heating unit.
8. the heat management system of the Vehicular battery bag according to any one of claim 5-7, which is characterized in that further include three Logical control valve, is connected, the water circulation channel with the heating system, the radiator with the air-conditioning cooling device respectively By the three-way control valve, while the three-way control valve is also connected with the electronic control unit, passes through the electronics Control unit controls the opening and closing of three ports of the three-way control valve, so as to which the radiator selectively is connected into the water In circulation canal.
9. the heat management system of the Vehicular battery bag according to any one of claim 5-8, which is characterized in that further include water Cold charge air cooler, between the electronic water pump and the heating system, and the water circulation channel is by cold in the water cooling Device, for reducing the intake air temperature of vehicle motor.
10. a kind of heat management side of heat management system applied to Vehicular battery bag as claimed in any one of claims 1-9 wherein Method, for adjusting the temperature of the battery pack, it includes following steps:
Detect the temperature of the battery pack ambient enviroment and the temperature of the battery pack;
When the temperature of the battery pack ambient enviroment is not less than first threshold, and the temperature of the battery pack reaches second threshold And during not less than three threshold values, the radiator is together with the air-conditioning cooling device by the water circulation channel to the electricity Chi Bao is cooled down;
Optionally, the first threshold is 25 DEG C;
Optionally, the second threshold is 30 DEG C, and the 3rd threshold value is 35 DEG C;
Optionally, temperature when the battery pack ambient enviroment is further included not less than first threshold, and the temperature of the battery pack Reach the 4th threshold value and during not less than second threshold, only with the radiator by the water circulation channel to the battery pack The step of being cooled down;
Optionally, the 4th threshold value is 10 DEG C;
Optionally, further include when the temperature of the battery pack ambient enviroment is more than first threshold, cooled down only with the air-conditioning The step of device cools down the battery pack by the water circulation channel;
Optionally, further include when the temperature of the battery pack is not up to four threshold values, pass through institute only with the heating system State the step of water circulation channel heats the battery pack.
CN201711065487.1A 2017-11-02 2017-11-02 Thermal management system and thermal management method for vehicle battery pack Active CN108054459B (en)

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Cited By (4)

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Publication number Priority date Publication date Assignee Title
CN109585973A (en) * 2018-11-23 2019-04-05 福建省汽车工业集团云度新能源汽车股份有限公司 A kind of power battery thermal management method and system
CN110556605A (en) * 2018-06-01 2019-12-10 郑州宇通客车股份有限公司 Method and device for controlling battery temperature of hybrid electric vehicle
EP3719919A1 (en) * 2019-03-20 2020-10-07 Hamilton Sundstrand Corporation Thermal regulation of batteries
CN111942141A (en) * 2019-05-15 2020-11-17 浙江吉利控股集团有限公司 Thermal management system for extended range electric vehicle and vehicle

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