CN108155443A - A kind of battery temperature balanced management system and its management method - Google Patents

A kind of battery temperature balanced management system and its management method Download PDF

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Publication number
CN108155443A
CN108155443A CN201711383883.9A CN201711383883A CN108155443A CN 108155443 A CN108155443 A CN 108155443A CN 201711383883 A CN201711383883 A CN 201711383883A CN 108155443 A CN108155443 A CN 108155443A
Authority
CN
China
Prior art keywords
battery
temperature
management system
battery cell
water route
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
CN201711383883.9A
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Chinese (zh)
Inventor
曲大为
刘艺
叶可
陈坤
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Jilin University
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Jilin University
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Filing date
Publication date
Application filed by Jilin University filed Critical Jilin University
Priority to CN201711383883.9A priority Critical patent/CN108155443A/en
Publication of CN108155443A publication Critical patent/CN108155443A/en
Pending legal-status Critical Current

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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
    • H01M10/617Types of temperature control for achieving uniformity or desired distribution of temperature
    • 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
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • 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
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • 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
    • H01M10/635Control systems based on ambient temperature
    • 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
    • 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
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • 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 present invention provides a kind of battery temperature balanced management system, the management system includes BMS, water tank, water pump, temperature monitoring apparatus, the battery includes multiple battery cells, the battery cell is arranged in matrix form, water route is set around the battery cell, the water route and the water pump, water tank connects, the temperature monitoring apparatus is set at the battery, to monitor the battery temperature, the temperature monitoring apparatus is connect with the BMS, send the temperature value of the battery to the BMS, the operation of the management system is controlled according to the temperature value of the battery by the BMS, monitoring temperature is carried out by face each to battery cell, and corresponding discharge is adjusted in real time to ensure the consistency of the temperature of each battery cell and each face of single battery.

Description

A kind of battery temperature balanced management system and its management method
Technical field
The present invention relates to battery temperature management systems, and in particular to the temperature equalization management of new-energy automobile power battery System.
Background technology
With becoming increasingly conspicuous for environmental problem, the development of new-energy automobile is also to be getting faster, the hair of Vehicular dynamic battery Exhibition prospect is more and more wide, while is badly in need of the fast development of battery thermal management system, and Vehicular dynamic battery monomer temperature is uneven The rapid decay of battery bulk life time is easy to cause, thus, battery not only to be controlled to work in the range of reasonable temperature, simultaneously The consistency of each battery cell temperature inside battery pack is kept, be at optimum temperature range and is imitated with high work Rate, while improve the reliability of battery and extend its service life, existing battery temperature management system is mostly that power battery is carried out Monitoring temperature simultaneously maintains it in an optimum range, heat dissipation however, as battery or heating be difficult accomplish uniformly, because And the temperature of single battery will appear difference naturally, it is inconsistent that setting is that the temperature value of the various pieces of single battery also has, So as to affect the charge discharge life and charging and discharging capabilities of battery entirety, be unfavorable for the development of new-energy automobile.
Invention content
It the problem of the technical problem to be solved by the present invention is to be directed to above-mentioned new-energy automobile power battery non-uniform temperature, carries Go out a kind of battery temperature balanced management system, the management system includes BMS, water tank, water pump, temperature monitoring apparatus, the electricity Pond includes multiple battery cells, and the battery cell is arranged in matrix form, and water route, the water are set around the battery cell Road is connected with the water pump, water tank, and the temperature monitoring apparatus is set at the battery, to monitor the battery temperature, The temperature monitoring apparatus is connect with the BMS, the temperature value of the battery is sent to the BMS, by the BMS according to institute The temperature value for stating battery controls the operation of the management system, and monitoring temperature is carried out, and in real time by face each to battery cell Corresponding discharge is adjusted to ensure the consistency of the temperature of each battery cell and each face of single battery.
In order to solve the above technical problem, the present invention provides technical solution be:
A kind of battery temperature balanced management system, the management system include BMS, water tank, water pump, temperature monitoring apparatus, The battery includes multiple battery cells, and the battery cell is arranged in matrix form, and water route is set around the battery cell, The water route is connected with the water pump, water tank, and the temperature monitoring apparatus is set at the battery, to monitor the battery Temperature, the temperature monitoring apparatus are connect with the BMS, the temperature value of the battery are sent to the BMS, by the BMS The operation of the management system is controlled according to the temperature value of the battery.
The battery cell four sides is respectively provided with water route, and the water route is contacted with the battery cell, to improve the electricity The single side temperature of pond monomer.
The temperature monitoring apparatus is thermocouple, and the battery cell four sides is respectively provided with the temperature monitoring apparatus.
The management system further includes multiple valves, and the valve is set on the water route, to control each branch Flow.
The management system further includes radiator, and the radiator is dispersing the heat that the battery generates.
The management system further includes heater, and the heater is heating the coolant in the water route.
A kind of battery temperature balanced management method, the management method are the battery temperatures described in based on above-mentioned any one Balanced management system, when the battery temperature is higher to need cooling, when a certain battery cell temperature value is higher than other battery cells During temperature, the corresponding water route of the battery cell surrounding increases flow, otherwise reduces flow;When a certain battery cell one side temperature When value is higher than the single battery other faces temperature, the corresponding water route in the battery cell face increases flow, otherwise reduces flow.
When the battery temperature is relatively low to need heating, when a certain battery cell temperature value is higher than other battery cell temperature When, flow is reduced in the corresponding water route of the battery cell surrounding, otherwise increases flow;When a certain one face temperature value of battery cell is high When the single battery other faces temperature, flow is reduced in the corresponding water route in the battery cell face, otherwise increases flow, when described When battery temperature value is more than preset temperature value t0, the management system integrally reduces flow or stops heating.
Beneficial effects of the present invention are:
1. battery temperature balanced management system of the present invention is used, in battery cell four sides set temperature monitoring device, in real time Flow is adjusted to ensure the consistency of the temperature of each battery cell and each face of battery cell;
2. using battery temperature balanced management system of the present invention, control to adjust flow using the aperture of multiple valves, letter Single temperature adjustment for effectively realizing each battery cell;
3. use battery temperature balanced management system of the present invention, by setting radiator and heater, can to battery into Row heat dissipation, while battery can also be heated when temperature is low.
Description of the drawings
Fig. 1 is battery temperature balanced management system structure diagram of the present invention;
Fig. 2 is the structure diagram of battery temperature balanced management system valve of the present invention.
Specific embodiment
The invention discloses a kind of battery temperature balanced management system, those skilled in the art can use for reference present disclosure, It is suitably modified technological parameter realization.It is important to note that all similar substitutions and modifications carry out those skilled in the art Say be it will be apparent that they are considered as being included in the present invention, and related personnel significantly can not depart from the content of present invention, Content described herein is modified or suitably changed with combining on the basis of spirit and scope, to realize and using skill of the present invention Art.
In the present invention, unless otherwise stated, Science and Technology noun used herein has art technology The normally understood meaning of personnel institute.
In order to which those skilled in the art is made to more fully understand technical scheme of the present invention, with reference to specific embodiment pair The present invention is described in further detail.
The power battery of one of core component as new-energy automobile, since its operating environment requirements is higher, particularly Temperature requirement, temperature is too low to lead to the reduction of power battery charging and discharging capabilities, and life time decay is also very fast, and temperature is excessively high Meeting accelerated aging attenuation, in some instances it may even be possible to cause safety accident, therefore, power battery is needed in a best operating temperature range Interior, many Vehicular dynamic batteries have also been accomplished by the control of its operating temperature in a relatively reasonable range at present, however, by All it is by multiple monomer compositions in power battery, due to position difference between monomer, radiating efficiency is different, also results in its temperature Degree will appear difference, and the operating temperature difference of single battery can also influence its charging and discharging capabilities, while the unbalanced power of temperature Battery system can lead to the reduction of overall performance, and accelerate the attenuation in its service life, and in order to solve this problem, the present invention proposes The management system and management method is specifically described with reference to the drawings in a kind of battery temperature balanced management system and its management method:
Fig. 1 is the structure diagram of battery temperature balanced management system of the present invention, and the battery includes multiple battery cells 1, the battery cell 1 is arranged in matrix form, and the management system includes BMS, water tank 2, water pump 3, temperature monitoring apparatus, institute 1 surrounding of battery cell setting water route is stated, the water route is connected with the water pump 3, water tank 2, and the temperature monitoring apparatus is set to At the battery cell 1, to monitor the temperature of the battery cell 1, the temperature monitoring apparatus is connect with the BMS, will The temperature value of the battery cell 1 sends the BMS to, as the BMS according to the control of the temperature value of the battery cell 1 The operation of management system, i.e., described BMS control the operating speed of the water pump 3 according to the temperature value that the temperature monitoring apparatus transmits Spend the flow to control whole water route.
The temperature monitoring apparatus is thermocouple, and 1 four sides 11,12,13,14 of battery cell is respectively provided with the temperature prison Equipment is controlled, to monitor the temperature value at 1 four sides 11,12,13,14 of battery cell in real time, and is sent at the BMS.
1 four sides 11,12,13,14 of battery cell is respectively provided with water route, and the water route is contacted with the battery cell 1, is used To improve the single side temperature at 1 four sides 11,12,13,14 of battery cell.
The management system further includes multiple valves, and the valve is set on the water route, to control each branch Flow sets the valve according to the quantity of branch, i.e., each branch sets a valve, to control the stream of the branch Amount, in order to illustrate the set-up mode of the valve, only gives the valve arrangement structure at two branch crossings in Fig. 1, such as figure the The valve 21 at two crossings (by sortord from left to right, from top to bottom), 22,23, the valve 31 at third crossing, 32, 33 and the valve 61,62,63,64 at the 6th crossing, the valve is illustrated by taking the three-way valve at the second crossing as an example below The structure diagram of door.
Fig. 2 is the structure diagram of battery temperature balanced management system valve of the present invention, and the three-way valve includes three Identical valve 21,22,23 is respectively arranged at branch road, and the specific knot of valve of the present invention is illustrated by taking valve 21 as an example Structure, the valve 21 include sliding block 211, cavity structure 212, and the sliding block 211 is set on the water route, passes through shift position Change the circulation width in the water route, so as to change its flow, the sliding block 211 is set in the cavity structure 212, institute It states cavity structure 212 and connects a high pressure water circuit, the high pressure water circuit connects, and realized by high-pressure hydraulic pump with the water tank 2 Coolant flows into the cavity structure 212 to push the movement of the sliding block 211, and the cavity structure in the water tank 2 Setting spring structures 213 in 212, to realize the return of the sliding block 211, by the pressure of the high-pressure coolant with it is described Moving back and forth for the sliding block 211 is realized in the elastic force cooperation of spring structure 213, to control the aperture in the water route, the sliding block 211 set sealing structure 214 close to 213 side of spring structure, prevent high pressure water circuit coolant and the cooling in water route of radiating Liquid interpenetrates, and ensure that the precision of control.
The management system further includes radiator 4, the radiator 4 to disperse the heat that the battery generates, and The management system further includes heater 5, and the heater 5 is to heat the coolant in the water route, and the BMS is according to institute The demand of heat dissipation or the heating of battery is stated, controls being switched on or off for the radiator 4 and the heater 5.
Using above-mentioned battery balanced management system, the present invention also proposes a kind of battery temperature balanced management method, the pipe Reason method is the battery temperature balanced management system described in based on above-mentioned any one, and the battery temperature is higher to be needed to cool down When, the unlatching of the water pump 3 is controlled to drive the flowing of coolant, and open the radiator according to demand by the BMS 4, when a certain battery cell temperature value is higher than other battery cell temperature, the corresponding water route of the battery cell surrounding increases stream Amount, otherwise reduces flow, carries out reinforcement cooling to the battery cell, can avoid thermal runaway to greatest extent, while provide electricity The consistency of temperature between the monomer of pond provides the performance and service life of integral battery door;When a certain battery cell one side temperature When value is higher than the single battery other faces temperature, the corresponding water route in the battery cell face increases flow, otherwise reduces flow, example Temperature such as the battery cell a in Fig. 1 is excessively high, then 22 and 23 aperture of valve increases, while 31,32 and 62,63 increase apertures, if The left side temperature of battery cell a is higher than other three faces, then accordingly increases the aperture of valve 22 and 62.
When 1 temperature of battery cell is relatively low to need heating, the unlatching that the water pump 3 is controlled by the BMS is cold to drive But the flowing of liquid, and open the heater 5 according to demand, such as the temperature of the battery cell a in Fig. 1 is higher, then accordingly Reduce coolant rate in surrounding conduit, the valve 22,23,31,32,62,63 is reduced, if battery cell a temperature is relatively low, Operation contrary to the above is then carried out, battery cell a is strengthened heating, when the battery temperature value is more than preset temperature value t0 When, the management system integrally reduces flow or stops heating;When a certain battery cell temperature value is higher than other battery cells During temperature, flow is reduced in the corresponding water route of the battery cell surrounding, otherwise increases flow;When a certain battery cell one side temperature When value is higher than the single battery other faces temperature, flow is reduced in the corresponding water route in the battery cell face, otherwise increases flow, example Left side temperature such as the battery cell a in Fig. 1 is lower than other three faces, then accordingly increases the aperture of valve 22 and 62.
By above-mentioned battery temperature balanced management system and management method, each monomer of the battery can be monitored in real time Temperature and the temperature in each face of battery cell, timely respond to radiate to it or heat, to ensure the operating temperature of the battery Range in optimized scope, and can individually controlling brancher flow realize battery cell single side temperature, ensure that battery system The temperature consistency of system effectively increases the performance and service life of battery.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should It is considered as protection scope of the present invention.

Claims (10)

1. a kind of battery temperature balanced management system, which is characterized in that the management system includes BMS, water tank, water pump, temperature Monitoring device, the battery include multiple battery cells, and the battery cell is arranged in matrix form, around the battery cell Water route is set, and the water route is connected with the water pump, water tank, and the temperature monitoring apparatus is set at the battery, to supervise The battery temperature is controlled, the temperature monitoring apparatus is connect with the BMS, sends the temperature value of the battery to the BMS, The operation of the management system is controlled according to the temperature value of the battery by the BMS.
2. battery temperature balanced management system according to claim 1, which is characterized in that the battery cell four sides is all provided with Water route is put, the water route is contacted with the battery cell, to improve the single side temperature of the battery cell.
3. battery temperature balanced management system according to claim 2, which is characterized in that the temperature monitoring apparatus is heat Galvanic couple.
4. battery temperature balanced management system according to claim 3, which is characterized in that the battery cell four sides is all provided with Put the temperature monitoring apparatus.
5. battery temperature balanced management system according to claim 2, which is characterized in that the management system further includes more A valve, the valve are set on the water route, to control the flow of each branch.
6. battery temperature balanced management system according to claim 1, which is characterized in that the management system further includes scattered Hot device, the radiator is dispersing the heat that the battery generates.
7. battery temperature balanced management system according to claim 1, which is characterized in that the management system, which further includes, to be added Hot device, the heater is heating the coolant in the water route.
A kind of 8. battery temperature balanced management method, which is characterized in that the management method is based on arbitrary in claim 1-7 Battery temperature balanced management system described in one, when the battery temperature is higher to need cooling, when a certain battery cell temperature When value is higher than other battery cell temperature, the corresponding water route of the battery cell surrounding increases flow, otherwise reduces flow;When a certain When one face temperature value of battery cell is higher than the single battery other faces temperature, the corresponding water route in the battery cell face increases stream Amount, otherwise reduces flow.
9. battery temperature balanced management method according to claim 8, which is characterized in that the relatively low needs of battery temperature During heating, when a certain battery cell temperature value is higher than other battery cell temperature, which subtracts Few flow, otherwise increases flow;When a certain one face temperature value of battery cell is higher than the single battery other faces temperature, the electricity Flow is reduced in the corresponding water route in the pond monomer face, otherwise increases flow.
10. battery temperature balanced management method according to claim 9, which is characterized in that the battery temperature value is more than During preset temperature value t0, the management system integrally reduces flow or stops heating.
CN201711383883.9A 2017-12-20 2017-12-20 A kind of battery temperature balanced management system and its management method Pending CN108155443A (en)

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Application Number Priority Date Filing Date Title
CN201711383883.9A CN108155443A (en) 2017-12-20 2017-12-20 A kind of battery temperature balanced management system and its management method

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Application Number Priority Date Filing Date Title
CN201711383883.9A CN108155443A (en) 2017-12-20 2017-12-20 A kind of battery temperature balanced management system and its management method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111376692A (en) * 2018-12-29 2020-07-07 郑州宇通客车股份有限公司 Vehicle, multi-branch temperature regulation liquid cooling power supply system and control method thereof
CN111786057A (en) * 2020-06-16 2020-10-16 恒大恒驰新能源汽车研究院(上海)有限公司 Battery temperature balance control method and device for vehicle and storage medium

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CN204614902U (en) * 2015-05-27 2015-09-02 北汽福田汽车股份有限公司 A kind of battery system cooling device and there is its vehicle
CN106025140A (en) * 2016-07-30 2016-10-12 安徽安耐捷新能源科技有限公司 Intelligent lithium battery temperature regulation system and control method thereof
CN205960056U (en) * 2016-08-12 2017-02-15 贵州众智达系统新能源股份有限公司 Automatic battery module of samming
CN106785192A (en) * 2016-11-30 2017-05-31 浙江吉利控股集团有限公司 A kind of heat management system
CN206282947U (en) * 2016-12-23 2017-06-27 常州普莱德新能源电池科技有限公司 It is applied to the temperature control system of vehicle electronic box

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204614902U (en) * 2015-05-27 2015-09-02 北汽福田汽车股份有限公司 A kind of battery system cooling device and there is its vehicle
CN106025140A (en) * 2016-07-30 2016-10-12 安徽安耐捷新能源科技有限公司 Intelligent lithium battery temperature regulation system and control method thereof
CN205960056U (en) * 2016-08-12 2017-02-15 贵州众智达系统新能源股份有限公司 Automatic battery module of samming
CN106785192A (en) * 2016-11-30 2017-05-31 浙江吉利控股集团有限公司 A kind of heat management system
CN206282947U (en) * 2016-12-23 2017-06-27 常州普莱德新能源电池科技有限公司 It is applied to the temperature control system of vehicle electronic box

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111376692A (en) * 2018-12-29 2020-07-07 郑州宇通客车股份有限公司 Vehicle, multi-branch temperature regulation liquid cooling power supply system and control method thereof
CN111376692B (en) * 2018-12-29 2022-06-07 宇通客车股份有限公司 Vehicle, multi-branch temperature regulation liquid cooling power supply system and control method thereof
CN111786057A (en) * 2020-06-16 2020-10-16 恒大恒驰新能源汽车研究院(上海)有限公司 Battery temperature balance control method and device for vehicle and storage medium
CN111786057B (en) * 2020-06-16 2022-02-25 恒大恒驰新能源汽车研究院(上海)有限公司 Battery temperature balance control method and device for vehicle and storage medium

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Application publication date: 20180612

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