CN107658526A - A kind of battery thermal management system in electric automobile or hybrid vehicle - Google Patents
A kind of battery thermal management system in electric automobile or hybrid vehicle Download PDFInfo
- Publication number
- CN107658526A CN107658526A CN201710952826.1A CN201710952826A CN107658526A CN 107658526 A CN107658526 A CN 107658526A CN 201710952826 A CN201710952826 A CN 201710952826A CN 107658526 A CN107658526 A CN 107658526A
- Authority
- CN
- China
- Prior art keywords
- management system
- cooling
- temperature
- medium
- cooling medium
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of battery thermal management system in electric automobile or hybrid vehicle, including：Multiple cooling units are laminated to be spaced apart along vertical direction and set；Multiple battery modules；Multiple first temperature sensors are corresponding with multiple battery modules respectively；Medium input distributor has multiple input channels corresponding with multiple cooling units respectively, for inputting cooling medium respectively in corresponding cooling unit；Medium exports distributor, has multiple output channels corresponding with multiple cooling units respectively, for being exported from input channel and through the cooling medium at cooling unit from output channel；Multiple magnetic valves, it is corresponding with multiple input channels respectively, for selectively opening or closing corresponding input channel and controller, it is configured to when the first temperature sensor detects that the temperature of corresponding battery modules is less than the first preset temperature, corresponding magnetic valve is closed, to prevent cooling medium from flowing through corresponding cooling unit.
Description
Technical field
The present invention relates to battery thermal management technical field in electric automobile or hybrid vehicle, more particularly to one kind to be used for
Battery thermal management system in electric automobile or hybrid vehicle.
Background technology
In recent years, electric automobile research and application as auto industry one " focus ", it is fast with electric automobile
Speed development, electrokinetic cell are bundled into the emphasis for person skilled research.Electrokinetic cell bag is typically connected by multiple battery cells
Or be formed in parallel, during battery bag discharge and recharge, substantial amounts of heat can be accumulated inside battery bag, if radiated not in time,
The performance and safety of battery bag can be influenceed, meanwhile, if radiating is uneven, it can also influence the performance of electrokinetic cell bag
And cycle life.
At present, a kind of lithium-ion-power cell bag high efficiency and heat radiation system is devised in the prior art, including can be tight with battery
The collection flat heat of closely connected conjunction, internal U-shaped heat pipe, the radiating fin group for being perfused with hydraulic fluid, the bending in the middle part of the U-shaped heat pipe
Section is arranged in collection flat heat embeddedly, and overhanging section of its both ends is extended to outside collection flat heat, and the radiating fin group passes through hole
It is tightly fixed on overhanging section of U-shaped heat pipe.Heat caused by battery charge and discharge process, pass to the collection with high thermal conductivity coefficient
Flat plate heat, and further conduct to the evaporator section of U-shaped heat pipe.After U-shaped heat pipe temperature reaches its start-up temperature, its internal work
Liquid is undergone phase transition；The hydraulic fluid Yin Qigao latent heat of vaporization and take away evaporator section absorption heat.Working media reaches U-shaped heat
After pipework condensation section, heat by radiating fin group surface by being distributed with cross-ventilation to go so that working media liquefy.Work
Liquid returns to evaporator section because of U-shaped heat pipe wicks capillarity.So circulation, the purpose of radiating is reached.By it is above-mentioned can
Know, the above method is, it is necessary to by the heat transfer in battery to collection flat heat during being radiated, and collection flat heat is again by warm
Amount passes to U-shaped heat pipe so that the hydraulic fluid in U-shaped heat pipe reacts, and then takes away heat, i.e., the above method is whole
Radiation processes are cumbersome, it is impossible to battery bag is radiated in time.Meanwhile the collection flat heat in the above method with U-shaped heat pipe contact
Heat dissipation capacity be more than the collection flat heat that is not in contact with U-shaped heat pipe, and then make it that the radiating to battery bag is uneven, so as to influence
The performance and cycle life of electrokinetic cell bag.
Therefore, existing battery pack radiator heat-dissipation effect is less desirable, it is impossible to effectively solves battery-powered
During temperature it is too high the problem of, it is and complicated, using underaction, conveniently.
The content of the invention
In order to solve the above problems, the invention provides a kind of battery heat in electric automobile or hybrid vehicle
Management system, including：
Multiple cooling units, the multiple cooling unit are laminated to be spaced apart along vertical direction and set, each cooling unit
For transmitting cooling medium；
Multiple battery modules, each battery modules are arranged between two neighboring cooling unit；
Multiple first temperature sensors, it is corresponding with the multiple battery modules respectively, for detecting battery modules
Temperature；
Medium inputs distributor, and it has multiple input channels corresponding with the multiple cooling unit respectively, is used for
The cooling medium is inputted in corresponding cooling unit respectively；
Medium exports distributor, and it has multiple output channels corresponding with the multiple cooling unit respectively, is used for
It will be exported from input channel and via the cooling medium at the cooling unit from output channel；
Multiple magnetic valves, it is corresponding with the multiple input channel respectively, relative for selectively opening or closing
The input channel answered；
Controller, its be configured to detect in first temperature sensor corresponding to temperature at battery modules less than the
During one preset temperature, corresponding magnetic valve is closed, to prevent cooling medium from flowing through corresponding cooling unit.
Further, the battery modules include multiple battery units, and the flow path of the cooling medium is from described
Medium input distributor sequentially flows through the multiple battery unit, then is flowed out from medium output distributor.
Further, the heat management system also includes：
Main entrance, it is connected with medium input distributor；
General export, it is connected with medium output distributor.
Further, when any magnetic valve in the multiple magnetic valve is closed, the cooling that is inputted by the main entrance
The amount of medium is constant.
Further, the heat management system also includes：
Storage tank, it is connected with the main entrance, for storing the cooling medium；With
Radiator, it is connected with the general export, for being radiated to the cooling medium flowed out from the general export.
Further, the multiple input channel does not connect mutually, and the multiple output channel does not connect mutually.
Further, the controller is configured to detect at corresponding battery modules in first temperature sensor
When temperature is not less than first preset temperature, corresponding magnetic valve is opened, to cause cooling corresponding to cooling medium stream warp single
Member.
Further, second temperature sensor is additionally provided with the radiator, is dissipated for detecting via radiator
The temperature of cooling medium after heat.
Further, the heat management system also includes：
Circulation line, it is used to transmit the cooling medium after being radiated via the radiator to the storage tank.
Further, the circulation line is used for after second temperature sensor detection is radiated via radiator
The temperature of cooling medium when being less than the second preset temperature, open the circulation line.
According to the solution of the present invention, it is used for due to that can be decided whether to open according to the temperature at battery modules to the battery
The input channel of the cooling unit input cooling medium of module, when temperature is less than the first preset temperature, it is possible to it is defeated to close this
Enter passage, it is possible thereby to which substantial amounts of cooling medium is inputted to the higher battery modules of other temperature, and finally cause multiple electricity
Chi Mozuchu temperature is kept substantially unanimously.And due to being provided with circulation line, after being radiated via radiator
When the temperature of cooling medium is less than the second preset temperature, the circulation line is opened, it is possible thereby to save the energy.
In addition, being to provide cooling medium to multiple cooling units in parallel in the present invention, cooling effect is very high,
Realize that face cools down, you can to cause cooling medium to be cooled to the larger face of battery unit area.In addition, cooling module stacking is set
Put so that the cooling unit of two neighboring cooling module can be cooled to two larger faces of battery unit area, further carry
High cooling effect.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the battery thermal management system according to an embodiment of the invention in electric automobile or hybrid vehicle
The schematic diagram of system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, flow direction of the current cooling medium in cooling unit 120 is shown in Fig. 1.The present invention provides
A kind of battery thermal management system 100 in electric automobile or hybrid vehicle, including：
Multiple cooling units 120, the multiple cooling unit 120 are laminated to be spaced apart along vertical direction and set, Mei Yileng
But unit 120 is used to transmit cooling medium；
Multiple battery modules 110, each battery modules 110 are arranged between two neighboring cooling unit 120；
Multiple first temperature sensors 130, it is corresponding with the multiple battery modules 110 respectively, for detecting battery
The temperature of module 110；
Medium inputs distributor 141, and it has multiple input channels corresponding with the multiple cooling unit 120 respectively
143, for the cooling medium to be inputted in corresponding cooling unit 120 respectively；
Medium exports distributor 142, and it has multiple output channels corresponding with the multiple cooling unit 120 respectively
144, for will be exported from input channel 143 and via the cooling medium at the cooling unit 120 from output channel 144；
Multiple magnetic valves 145, it is corresponding with the multiple input channel 143 respectively, for being selectively opened or closing
Close corresponding input channel 143；With
Controller, it is configured to detect the temperature at corresponding battery modules 110 in first temperature sensor 130
During less than the first preset temperature, corresponding magnetic valve 145 is closed, to prevent cooling medium from flowing through corresponding cooling unit 120.
Wherein, the battery modules 110 include multiple battery units, and the flow path of the cooling medium is from being given an account of
Matter input distributor 141 sequentially flows through the multiple battery unit, then is flowed out from medium output distributor 142.
Wherein, the heat management system 100 also includes：
Main entrance 151, it is connected with medium input distributor 141；With
General export 152, it is connected with medium output distributor 142.
Wherein, when any magnetic valve 145 in the multiple magnetic valve 145 is closed, inputted by the main entrance 151
The amount of cooling medium is constant.
Wherein, the heat management system 100 also includes：
Storage tank 160, it is connected with the main entrance 151, for storing the cooling medium；With
Radiator 170, it is connected with the general export 152, for the cooling medium to being flowed out from the general export 152
Radiated.
Wherein, the multiple input channel 143 does not connect mutually, and the multiple output channel 144 does not connect mutually.
Wherein, the controller is configured to detect at corresponding battery modules 110 in first temperature sensor 130
Temperature when being not less than first preset temperature, open corresponding magnetic valve 145, with cause cooling medium stream corresponding to passing through it is cold
But unit 120.
Wherein, second temperature sensor 180 is additionally provided with the radiator 170, entered for detecting via radiator 170
The temperature of cooling medium after row radiating.
Wherein, the heat management system 100 also includes：
Circulation line 190, it is used to transmit the cooling medium after being radiated via the radiator 170 to the storage
Tank 160.
Wherein, the circulation line 190 is used to detect in the second temperature sensor 180 to carry out via radiator 170
When the temperature of cooling medium after radiating is less than the second preset temperature, the circulation line 190 is opened.
According to the solution of the present invention, it is used for due to that can be decided whether to open according to the temperature at battery modules 110 to this
The cooling unit 120 of battery modules 110 inputs the input channel 143 of cooling medium, when temperature is less than the first preset temperature, just
The input channel 143 can be closed, it is possible thereby to which substantial amounts of cooling medium is inputted to the higher battery modules of other temperature
110, and finally the temperature at multiple battery modules 110 is kept substantially unanimously.And due to being provided with circulation line
190, when the temperature of the cooling medium after being radiated via radiator 170 is less than the second preset temperature, open the circulation
Pipeline 190, it is possible thereby to save the energy.
In addition, it is to provide cooling medium to multiple cooling units 120 in parallel in the present invention, cooling effect is very
Height, realize that face cools down, you can to cause cooling medium to be cooled to the larger face of battery unit area.In addition, cooling module stacking
Set so that the cooling unit 120 of two neighboring cooling module can be cooled to two larger faces of battery unit area, enter one
Step improves cooling effect.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
- A kind of 1. battery thermal management system in electric automobile or hybrid vehicle, it is characterised in that including：Multiple cooling units, the multiple cooling unit are laminated to be spaced apart along vertical direction and set, and each cooling unit is used for Transmit cooling medium；Multiple battery modules, each battery modules are arranged between two neighboring cooling unit；Multiple first temperature sensors, it is corresponding with the multiple battery modules respectively, for detecting the temperature of battery modules；Medium inputs distributor, and it has multiple input channels corresponding with the multiple cooling unit respectively, for by institute Cooling medium is stated to input respectively in corresponding cooling unit；Medium exports distributor, and it has multiple output channels corresponding with the multiple cooling unit respectively, in the future Exported from input channel and via the cooling medium at the cooling unit from output channel；Multiple magnetic valves, it is corresponding with the multiple input channel respectively, corresponding for selectively opening or closing Input channel；Controller, it is configured to detect that the temperature at corresponding battery modules is pre- less than first in first temperature sensor If during temperature, closing corresponding magnetic valve, to prevent cooling medium from flowing through corresponding cooling unit.
- 2. battery thermal management system according to claim 1, it is characterised in that the battery modules include multiple battery lists Member, the flow path of the cooling medium are to input distributor from the medium sequentially to flow through the multiple battery unit, then from The medium output distributor outflow.
- 3. battery thermal management system according to claim 2, it is characterised in that the heat management system also includes：Main entrance, it is connected with medium input distributor；General export, it is connected with medium output distributor.
- 4. battery thermal management system according to claim 3, it is characterised in that any electromagnetism in the multiple magnetic valve When valve is closed, the amount of the cooling medium inputted by the main entrance is constant.
- 5. according to the battery thermal management system any one of claim 1-4, it is characterised in that the heat management system is also Including：Storage tank, it is connected with the main entrance, for storing the cooling medium；And radiator, itself and the general export phase Connection, for being radiated to the cooling medium flowed out from the general export.
- 6. battery thermal management system according to claim 5, it is characterised in that the multiple input channel does not connect mutually Logical, the multiple output channel does not connect mutually.
- 7. according to the battery thermal management system any one of claim 1-4,6, it is characterised in that the controller configuration When being not less than first preset temperature into the temperature detected in first temperature sensor at corresponding battery modules, beat Corresponding magnetic valve is driven, to cause cooling unit corresponding to cooling medium stream warp.
- 8. battery thermal management system according to claim 7, it is characterised in that the second temperature is additionally provided with the radiator Sensor is spent, for detecting the temperature of the cooling medium after being radiated via radiator.
- 9. battery thermal management system according to claim 8, it is characterised in that the heat management system also includes：Circulation line, it is used to transmit the cooling medium after being radiated via the radiator to the storage tank.
- 10. battery thermal management system according to claim 9, it is characterised in that the circulation line is used for described the When the temperature that two temperature sensors detect the cooling medium after being radiated via radiator is less than the second preset temperature, institute is opened State circulation line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952826.1A CN107658526A (en) | 2017-10-13 | 2017-10-13 | A kind of battery thermal management system in electric automobile or hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710952826.1A CN107658526A (en) | 2017-10-13 | 2017-10-13 | A kind of battery thermal management system in electric automobile or hybrid vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN107658526A true CN107658526A (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710952826.1A Pending CN107658526A (en) | 2017-10-13 | 2017-10-13 | A kind of battery thermal management system in electric automobile or hybrid vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389986A (en) * | 2018-02-11 | 2018-08-10 | 长乐致远技术开发有限公司 | New energy car battery seal box |
| CN108461870A (en) * | 2018-03-26 | 2018-08-28 | 蔚来汽车有限公司 | Battery temperature control device and method, controller, storage medium and electric charging station |
| CN109546261A (en) * | 2018-11-19 | 2019-03-29 | 浙江南都电源动力股份有限公司 | The battery thermal management system of container-type energy-storage system |
| GB2621994A (en) * | 2022-08-27 | 2024-03-06 | Maritime Systems Ltd | System for managing a build-up of thermal energy |
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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 |
| 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 |
| CN106981595A (en) * | 2017-05-22 | 2017-07-25 | 芜湖天量电池系统有限公司 | The Battery case system and automobile of a kind of air-cooled accurate temperature controlling |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| 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 |
| CN106981595A (en) * | 2017-05-22 | 2017-07-25 | 芜湖天量电池系统有限公司 | The Battery case system and automobile of a kind of air-cooled accurate temperature controlling |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108389986A (en) * | 2018-02-11 | 2018-08-10 | 长乐致远技术开发有限公司 | New energy car battery seal box |
| CN108389986B (en) * | 2018-02-11 | 2021-01-22 | 长乐致远技术开发有限公司 | New energy automobile battery seal box |
| CN108461870A (en) * | 2018-03-26 | 2018-08-28 | 蔚来汽车有限公司 | Battery temperature control device and method, controller, storage medium and electric charging station |
| WO2019184193A1 (en) * | 2018-03-26 | 2019-10-03 | 蔚来汽车有限公司 | Battery temperature control device and method, controller, storage medium, and battery charging and swapping station |
| CN108461870B (en) * | 2018-03-26 | 2021-10-08 | 蔚来(安徽)控股有限公司 | Battery temperature control device and method, controller, storage medium and charging and replacing power station |
| TWI772578B (en) * | 2018-03-26 | 2022-08-01 | 大陸商蔚來（安徽）控股有限公司 | Battery temperature control device and method, controller, storage medium and charging station |
| CN109546261A (en) * | 2018-11-19 | 2019-03-29 | 浙江南都电源动力股份有限公司 | The battery thermal management system of container-type energy-storage system |
| GB2621994A (en) * | 2022-08-27 | 2024-03-06 | Maritime Systems Ltd | System for managing a build-up of thermal energy |
| GB2622111A (en) * | 2022-08-27 | 2024-03-06 | Maritime Systems Ltd | System for managing a build-up of thermal energy |
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Application publication date: 20180202 |