CN108987854A - Battery thermal management system, battery pack level, battery module level and battery unit level - Google Patents

Battery thermal management system, battery pack level, battery module level and battery unit level Download PDF

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Publication number
CN108987854A
CN108987854A CN201710405419.9A CN201710405419A CN108987854A CN 108987854 A CN108987854 A CN 108987854A CN 201710405419 A CN201710405419 A CN 201710405419A CN 108987854 A CN108987854 A CN 108987854A
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CN
China
Prior art keywords
battery
grade
module
coolant
thermal management
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Pending
Application number
CN201710405419.9A
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Chinese (zh)
Inventor
薛剑波
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Schaeffler Technologies AG and Co KG
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Schaeffler Technologies AG and Co KG
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Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to CN201710405419.9A priority Critical patent/CN108987854A/en
Publication of CN108987854A publication Critical patent/CN108987854A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC 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
    • H01M10/617Types of temperature control for achieving uniformity or desired distribution of temperature
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01ELECTRIC 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
    • H01M10/635Control systems based on ambient temperature
    • HELECTRICITY
    • H01ELECTRIC 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
    • H01M10/637Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
    • HELECTRICITY
    • H01ELECTRIC 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a battery thermal management system, a battery pack level, a battery module level and a battery unit level, wherein the battery thermal management system is particularly used for a battery thermal management system of a hybrid electric vehicle or an electric vehicle, wherein the battery thermal management system can be divided into three levels, namely the battery unit level, the battery module level and the battery pack level, wherein the battery pack level comprises at least one battery module level, the battery module level comprises at least one battery unit level, and the three levels of the battery thermal management system are cooled by a coolant, and the battery thermal management system is characterized in that the temperature of the three levels can be adjusted respectively in the following way: providing a coolant heater capable of heating coolant at the battery cell level; providing a thermal management module capable of controlling the coolant heater at the battery module level; and arranging a thermal management control device capable of controlling the thermal management module at the battery pack level.

Description

Battery thermal management system, battery pack grade, battery module grade and battery unit grade
Technical field
The present invention relates to a kind of battery thermal management systems, in particular for the battery of hybrid vehicle or electric car heat Management system, wherein the battery thermal management system can be divided into three ranks, i.e., battery unit grade, battery module grade and Battery pack grade, wherein battery pack grade includes at least one battery module grade, and the battery module grade includes at least one battery Three ranks of cell level, the battery thermal management system are cooled down by coolant.Moreover, it relates to a kind of phase Battery unit grade, battery module grade and the battery pack grade that should be configured.
The prior art
With environmental protection and energy-efficient requirement, hybrid vehicle and pure electric automobile have all obtained quick development.And it moves The performance of power battery system is the core technology of hybrid vehicle and pure electric automobile.With the development of technology with the reality of user Border needs, and the capacity and electrical power of electrokinetic cell system are increasing.Therefore, it when cell power systems work, can generate big The heat of amount, so cell power systems need cooling device.When outside air temperature is lower, if the temperature of power battery is too low Battery capacity can be largely effected on again, and therefore, the cell power systems also need heating device.It is this to cool down but also can heat not only Device be commonly known as battery thermal management system.
Currently, used battery thermal management system is usually the cooling heating system of air and the cooling heating of liquid in practice System.It is simple and low in cost that the major advantage of the cooling heating system of air is structure, but cooling effect is bad, due to The limitation of battery pack structure, there are dead corners, so ventilation effect differs greatly between different battery modules, then electricity Pond module will work at different temperatures, this will lead to performance decline and therefore battery life, furthermore the cooling heating system of air The heating effect of system is also not highly desirable, and since the heat-transfer capability of air is poor, air heating in cold climates can be very slow, effect Rate is not high;The cooling heating system of liquid, which has, is better than air cooled cooling effect, but since coolant successively flows through each electricity Pond module, so can also have temperature difference between battery module, additionally due to the heat of external heat source should be initially used for The heating of coolant in cooling tube, the coolant being then heated just can be with thermal cell module, therefore efficiency is not also high.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of improved battery thermal management systems, so as to more Accurately and balancedly adjust the temperature of power battery.
The technical problem is by a kind of battery thermal management system, in particular for hybrid vehicle or electric car Battery thermal management system is solved, wherein the battery thermal management system can be divided into three ranks, i.e., battery unit grade, Battery module grade and battery pack grade, wherein battery pack grade includes at least one battery module grade, and the battery module grade includes At least one battery unit grade, wherein the battery thermal management system can distinguish in this wise three ranks and carry out temperature It adjusts: the coolant heater of coolant can be heated in battery unit grade setting;In the battery module grade, energy is set Enough control the thermal management module of the coolant heater;The thermal management module can be controlled in battery pack grade setting Thermal management control device.
In battery thermal management system according to the present invention, it is divided into battery pack grade, battery from high to low according to control hierarchy Module level and battery unit grade.The relationship of three ranks is: battery pack grade can control battery module grade and battery unit Grade, battery module grade can control battery unit grade.According to the present invention the technical issues of, can also pass through the battery of corresponding configuration Group grade, battery module grade and battery unit grade are solved.
Battery unit grade according to the present invention includes battery unit and battery unit cooling device, wherein the battery list First cooling device cools down battery unit by coolant, wherein the battery unit grade also has for heating cooling The coolant heater of agent.The coolant heater can be by the thermal management control device of battery pack grade or by battery module grade Thermal management module control.Battery thermal management system can adjust each battery list by the coolant heater as a result, The temperature of member, so that the accuracy that temperature is adjusted is increased to the smallest component units, i.e. battery unit.
In one embodiment of battery unit grade according to the present invention, the battery unit grade also has battery unit temperature Degree sensor and/or battery unit coolant temperature sensor, the battery cell temperature sensor are able to detect battery unit Temperature, the battery unit coolant temperature sensor is able to detect the temperature of coolant.Battery cell temperature sensor and The temperature information that battery unit coolant temperature sensor can will test send to battery module thermal management module and/or The heat management device of battery pack.
In the other embodiment of battery unit grade according to the present invention, the coolant heater is arranged on described In battery unit cooling device.The coolant heater is preferably heating wire, can be arranged on the cooling dress of battery unit It is in setting or outer.The battery unit cooling device is wound around the cooling tube on the battery unit surface.
Battery module grade according to the present invention includes the battery module and heat management being made of at least one battery unit grade Module.The battery unit grade for constituting battery module in parallel, series connection or can be connected in other ways.The thermal management module For controlling the temperature of the battery unit grade.The thermal management module is connected with each coolant heater, especially cable Connection is connected by wireless telecommunications, therefore thermal management module can adjust the temperature of coolant by these coolant heaters Degree, thus therefore coolant temperature of the control in each battery unit simultaneously controls the temperature of each battery unit.
In one embodiment of battery module grade according to the present invention, the battery module grade can also have temperature remittance Collect module, for collecting the data from each battery cell temperature sensor, and the data is transferred to thermal management module. In a further embodiment, the battery module grade can also have coolant temperature collection module, come from battery for collecting The data of unit coolant temperature sensor, and the data are transferred to the thermal management module.Thus, battery module grade Thermal management module can obtain the battery unit of each battery unit grade and the temperature information of coolant, to these temperature informations into It issues and orders to coolant heater after row analysis, thus adjust the coolant temperature of each battery unit;Battery module grade These temperature informations can also be continued up level-one transmitting by thermal management module, i.e., transmit to the heat management device of battery pack grade.
In the other embodiment of battery module grade according to the present invention, the battery module grade also enters with coolant Coolant flow control module, especially control valve is arranged in the coolant entrance in mouth and coolant outlet.The heat management Module can control the coolant flow control module, so as to be adjusted into battery module coolant flow.Work as battery When module level needs quickly to be cooled, thermal management module can control the coolant flow control module to improve coolant Flow velocity.Therefore, the coolant flow control module is preferably a kind of valve gear.Since battery unit grade is in battery module Arrangement such as apart from the distance of coolant entrance has difference, therefore will cause the difference of the cooling effect between battery unit.At this In the case of kind, thermal management module can eliminate the temperature resulting between battery unit by controlling coolant heater Difference.In a further preferred embodiment, the battery module is encapsulated by thermal insulation layer.So that battery module and the external world will not Heat exchange is carried out, the accurate of temperature adjustment is improved and reduces heat losses.
Battery pack grade according to the present invention includes the battery pack being made of at least one battery module grade and heat management control Device.The thermal management control device is used to control the thermal management module of battery module grade.The thermal management control device and electricity The thermal management module cable connection or communication link of pond module level, so as to collect the thermal management module temperature information and/ Or it issues and instructs to thermal management module.Heat management device determines the inflow temperature of coolant, outflow according to the temperature information collected Temperature and flow.
In addition, the battery pack grade also has flow control in one embodiment of battery pack grade according to the present invention Device (especially control pump) and heat exchanger, wherein the coolant flow over-heat-exchanger flowed out from the battery pack passes through institute It states heat exchanger and external heat source or external cold source carries out flowing to volume control device after heat exchange, pass through the flow control The coolant is transported in the battery pack by device again.Battery pack grade can be controlled and/or be adjusted by heat management device Volume control device and heat exchanger.In a further embodiment, cooling is respectively set in coolant entrance and coolant outlet Agent temperature sensor, and temperature information is transferred to the thermal management control device of battery pack.Because of the heat management control of battery pack Device processed can be with volume control device and/or heat exchanger communication link, so heat management control can be according to collecting Temperature information controls heat exchanger and/or volume control device.The external heat source for carrying out heat exchange with heat exchanger is, for example: interior Combustion engine or solar water heater;The external cold source for carrying out heat exchange with heat exchanger is, for example: cooling fan or air-conditioning equipment.
Therefore, a battery thermal management system is constituted by above-mentioned battery unit grade, battery module grade and battery pack grade. In order to solve the technical issues of cell heat in the prior art is unevenly distributed and can not carry out accurate temperature adjusting, the battery Heat management system cools down battery or is heated by three-level heat management structure.First in battery pack grade, heat management system By the temperature and/or flow of the coolant of the thermal management control device control disengaging motor group of battery pack grade, to adjust electricity Heat in the group of pond;In battery module grade, battery thermal management system flows into battery by the thermal management module control of battery module The coolant flow of module, thus the heat in regulating cell module;In battery unit grade, battery thermal management system passes through heat pipe Manage module and control coolant heater, thus in regulating cell unit coolant temperature, also and then can adjust in battery mould The temperature of coolant in block.Therefore, the three-level temperature control carried out in this way enables to the temperature of entire electrokinetic cell system It spends more balanced or the temperature of electrokinetic cell system is made to obtain more precise control.
Therefore, heat management system according to the present invention has the advantage, that
1. the operating temperature of battery can be precisely controlled by the heat management of classification, the temperature between battery module is reduced Difference, to improve performance and the service life of power battery;
2. heating process is faster more efficient for the smallest component units, i.e. battery unit, energy can be therefore saved Source;
3. it is more accurate to coolant flow control, required coolant quantity can be saved;
4. modularized design is easy to incorporate vehicle, can easily be combined with the heat management system of existing vehicle.
Detailed description of the invention
According to following attached drawing to the explanation of embodiment, other features and advantages of the present invention can be obtained.
In the accompanying drawings:
Fig. 1 shows the schematic diagram of battery unit grade;
Fig. 2 shows the schematic diagrames of battery module grade;
Fig. 3 shows the schematic diagram of battery pack grade.
Identical appended drawing reference is used for the identical component of identical or function of the invention.In addition, out of need The reason of clearly showing that only is shown in a single fig for appended drawing reference needed for describing respective drawings.
Specific embodiment
Battery thermal management system according to the present invention includes three ranks, i.e. battery unit grade (referring to Fig. 1), battery module Grade (referring to Fig. 2 is seen) and battery pack grade (referring to Fig. 3).Battery management system according to the present invention can respectively to three ranks into Trip temperature control, so as to more accurate and comprehensively regulating cell temperature.
Fig. 1 shows the schematic diagram of battery unit grade.The battery unit grade has battery unit 1, battery unit cooling tube 2, battery unit coolant temperature sensor 3, battery cell temperature sensor 4 and coolant heater 5.The battery unit is cold But pipe 2 is arranged in around battery unit 1.This battery unit cooling tube 2 can be the lesser tubule of diameter, around ring type Wind battery unit 1;Battery unit cooling tube 2 is also possible to casing, wraps up battery unit 1 on the whole.To battery unit Coolant is filled in cooling tube 2.The battery unit being equipped in battery unit cooling tube 2 for measuring coolant temperature is cooling Agent temperature sensor 3 and coolant heater 5 for heating coolant.Placement is used to measure electricity on the surface of battery unit The battery cell temperature sensor 4 of pool unit temperature.The battery cell temperature sensor and battery unit coolant temperature pass Sensor will measure thermal management module transmission of the temperature information to upper level not (battery module).The thermal management module can basis These temperature informations control the temperature of coolant heater 5, control to realize in the temperature of battery unit rank.
Fig. 2 shows the schematic diagrames of battery module grade.The battery mould grade has battery module 6, thermal management module 7, temperature Collection module 8, coolant temperature collection module 9, flow-control module 10 and thermal isolation layer 11.The battery module 6 is by least One battery unit grade is constituted, these battery unit grades can be in parallel, can be connected, can also be connected with each other in other forms; The temperature collection module 8 and the battery cell temperature sensor 4 of each battery unit grade are connected, and preferably pass through cable connection Or wireless telecommunications connection, so that each battery cell temperature sensor can send the battery cell temperature measured to temperature Collection module 8.These temperature informations can be transmitted directly to thermal management module 7 by temperature collection module 8, or after treatment Send result to thermal management module 7;It is similar, the battery of the coolant temperature collection module 9 and each battery unit grade Unit coolant temperature sensor 3 is connected, and is preferably connected by cable connection or wireless telecommunications, thus each battery unit Coolant temperature sensor can send the battery unit coolant temperature measured to coolant temperature collection module 9.It is cooling These temperature informations can be transmitted directly to thermal management module 7 by agent temperature collection module 9, or after treatment pass result Give thermal management module 7;Flow-control module 10 is preferably provided at the entrance of coolant, naturally it is also possible to coolant be arranged in Outlet, the flow-control module 10 can be by adjusting the flow for entering the coolant of battery module come the temperature of regulating cell module Degree;Thermal management module 7 can respectively with temperature collection module 8, coolant temperature collection module 9, flow-control module 10 and cold But agent heater connects, preferably cable connection or wireless telecommunications connection.Temperature collection module 8 and coolant temperature collection module 9 send the temperature information collected to thermal management module 7, and according to the temperature information of collection, thermal management module 7 can pass through flow Control module 10 adjusts the grading trip temperature of entire battery module and/or by coolant heater 5 to some specific battery Unit carries out temperature adjustment.
Fig. 3 shows the schematic diagram of battery pack grade.The battery pack grade has battery pack 12, thermal management control device 13, cold But agent inlet temperature sensor 14, coolant outlet temperature sensor 15, control pump 16 and heat exchanger 17,18.Battery pack 12 With at least one battery module grade, these battery module grades can be in series or in parallel or be otherwise attached to;Battery The thermal management control device 13 of group grade couples with the thermal management module 7 of battery module grade, preferably cable connection or wireless telecommunications Connection, so that thermal management control device 13 can be managed and control to each thermal management module 7, and can be from heat management Module 7 obtains the temperature information about battery module;Schematically shown in Fig. 3 battery pack grade coolant thermal cycle and At least one heat exchanger can be set in coolant SAPMAC method thus, is provided with two 17 Hes of heat exchanger in this embodiment 18.Heat exchanger 17 and external heat source carry out heat exchange, to improve the temperature of coolant;And heat exchanger 18 and external cold source Heat exchange is carried out, to reduce the temperature of coolant.Thermal management control device 13 passes through heat exchanger 17 and 18 and control valve 16 can control the thermal cycle of coolant and SAPMAC method.
When heat management system is wanted to cool down power battery, first thermal management control device according to conditions present and The custom cooling strategy of environment can all carry out cooling in three ranks or only one or two rank is cooled down wherein. In battery pack grade, thermal management control device enables to coolant and external cold source to carry out heat exchange by heat exchanger, thus A cooling cycle is formed, the flow and temperature for entering the coolant of battery pack are being adjusted by control pump;In battery module grade, Thermal management module 7 can improve the flow of coolant by control flow-control module 10, so that battery module cools down; In battery unit grade, established a capital since the temperature of each battery unit is different identical, each battery unit is apart from the cold of battery module But the distance of agent entrance is also all different, so will cause the Temperature Distribution meeting of the battery unit after the unified cooling of coolant It is very unbalanced.In this regard, thermal management module 7 makes one or more battery list according to the temperature information of battery cell temperature sensor Member is heated (by coolant heater 5), so that all batteries unit temperature substantially having the same.When When heat management system is wanted to heat power battery, step is similar with the cooling procedure, is not repeated herein.
Although being illustratively described possible embodiment in the above description, it should be appreciated that arrive, still through institute With the presence of the variation of technical characteristic known and that furthermore technical staff is readily apparent that and a large amount of embodiments of combination of embodiment. Furthermore it should also be understood that illustrative embodiment is as just an example, this embodiment never limits in any form Protection scope of the present invention, application and construction processed.It is more that one kind is provided to technical staff for converting by preceding description The technological guidance of at least one illustrative embodiments, wherein, can be into without departing from the protection scope of claims Row various changes, especially with respect to the component function and structure in terms of change.For example, also can be in battery module grade It is partly or wholly upper that device for heating refrigerant is set, and/or filled in the partly or wholly upper setting coolant heating of battery pack grade It sets, so as to more accurate and more balancedly adjusting electrokinetic cell system temperature.

Claims (16)

1. a kind of battery thermal management system, wherein the battery thermal management system can be divided into three ranks, i.e. battery unit Grade, battery module grade and battery pack grade, wherein battery pack grade includes at least one battery module grade, and the battery module grade Including at least one battery unit grade, three ranks of the battery thermal management system are cooled down by coolant, feature It is, the battery thermal management system can distinguish in this wise three ranks and carry out temperature adjusting: in the battery unit Grade setting can heat the coolant heater of coolant;The coolant heating can be controlled in battery module grade setting The thermal management module of device;The thermal management control device of the thermal management module can be controlled in battery pack grade setting.
2. a kind of battery unit grade, comprising: battery unit and battery unit cooling device, wherein the cooling dress of the battery unit It sets and battery unit is cooled down by coolant, which is characterized in that the battery unit also has for heating coolant Coolant heater.
3. battery unit grade according to claim 2, which is characterized in that the battery unit grade also has for detecting electricity The battery cell temperature sensor of pool unit temperature and/or for detecting coolant temperature battery unit coolant temperature sensing Device.
4. battery unit grade according to claim 2 or 3, which is characterized in that the coolant heater is arranged on institute It states in battery unit cooling device.
5. the battery unit grade according to any one of claim 2-4, which is characterized in that the battery unit cooling device The cooling tube being wound around on battery unit surface.
6. a kind of battery module grade, which is characterized in that the battery module grade includes having at least one according to claim 2-5 At least one of described in battery unit grade battery module and for controlling the thermal management module of the battery unit grade temperature.
7. battery module grade according to claim 6, which is characterized in that in some or all of battery list of battery module In the case that first grade has battery cell temperature sensor, the battery module grade also has temperature collection module, for collecting Data from each battery cell temperature sensor, and the data are transferred to the thermal management module.
8. battery module grade according to claim 6 or 7, which is characterized in that in some or all of electricity of battery module In the case that pool unit grade has battery unit coolant temperature sensor, the battery module grade also has coolant temperature remittance Collect module, for collecting the data from the coolant temperature sensor, and the data is transferred to the heat management mould Block.
9. battery module grade a method according to any one of claims 6-8, which is characterized in that the thermal management module can be controlled The coolant heater of battery unit grade processed, individually to adjust the temperature of battery unit grade.
10. the battery module grade according to any one of claim 6-9, which is characterized in that the battery module grade also has There are coolant entrance and coolant outlet, flow-control module is set in the coolant entrance, the thermal management module can Control the flow-control module, so as to be adjusted into battery module grade coolant flow.
11. the battery module according to any one of claim 6-10, which is characterized in that the battery module grade is by hot exhausted Edge layer encapsulation.
12. a kind of battery pack grade, which is characterized in that the battery pack grade includes having at least one according in claim 6-11 At least one of the battery pack of the battery module grade and for controlling the control of the heat management of the thermal management module of battery module grade Device.
13. battery pack grade according to claim 12, which is characterized in that the thermal management control device and the heat management Module communication connection, to collect the temperature information of the thermal management module, for determining the inflow temperature and outflow of coolant Temperature.
14. battery pack grade according to claim 12 or 13, which is characterized in that the battery pack grade is filled with flow control It sets and heat exchanger, wherein the coolant flow over-heat-exchanger flowed out from the battery pack, by the heat exchanger and outer Portion's heat source or external cold source carry out the volume control device after heat exchange, can again will be cold by the volume control device But agent is transported in the battery pack.
15. battery pack grade described in any one of 2-14 according to claim 1, which is characterized in that in coolant entrance and cooling Temperature sensor is respectively set in agent outlet, and temperature information is transferred to the thermal management control device of battery pack grade.
16. battery pack grade described in any one of 2-15 according to claim 1, which is characterized in that the heat pipe of the battery pack grade Managing control device can be with volume control device and heat exchanger communication link.
CN201710405419.9A 2017-05-31 2017-05-31 Battery thermal management system, battery pack level, battery module level and battery unit level Pending CN108987854A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111505960A (en) * 2019-01-31 2020-08-07 北京新能源汽车股份有限公司 Power battery thermal management simulation system and method

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CN201408823Y (en) * 2009-05-07 2010-02-17 联合汽车电子有限公司 Automotive battery heat managing system
CN201859929U (en) * 2010-10-27 2011-06-08 法雷奥汽车空调湖北有限公司 Power battery cooling and heating device for electric automobile
CN203351711U (en) * 2013-07-18 2013-12-18 三门峡速达交通节能科技股份有限公司 Power battery thermal management system based on panel heat pipes
CN104900940A (en) * 2015-07-02 2015-09-09 张哲群 Battery pack temperature control system and battery pack temperature control method
CN106450572A (en) * 2016-11-14 2017-02-22 中国科学院广州能源研究所 System and method for partitioned heat management based on lithium ion battery pack

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201408823Y (en) * 2009-05-07 2010-02-17 联合汽车电子有限公司 Automotive battery heat managing system
CN201859929U (en) * 2010-10-27 2011-06-08 法雷奥汽车空调湖北有限公司 Power battery cooling and heating device for electric automobile
CN203351711U (en) * 2013-07-18 2013-12-18 三门峡速达交通节能科技股份有限公司 Power battery thermal management system based on panel heat pipes
CN104900940A (en) * 2015-07-02 2015-09-09 张哲群 Battery pack temperature control system and battery pack temperature control method
CN106450572A (en) * 2016-11-14 2017-02-22 中国科学院广州能源研究所 System and method for partitioned heat management based on lithium ion battery pack

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111505960A (en) * 2019-01-31 2020-08-07 北京新能源汽车股份有限公司 Power battery thermal management simulation system and method
CN111505960B (en) * 2019-01-31 2023-08-08 北京新能源汽车股份有限公司 Power battery thermal management simulation system and method

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Application publication date: 20181211

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