CN106299536A - A kind of cold battery modules of expandable type liquid for electric automobile - Google Patents
A kind of cold battery modules of expandable type liquid for electric automobile Download PDFInfo
- Publication number
- CN106299536A CN106299536A CN201510284187.7A CN201510284187A CN106299536A CN 106299536 A CN106299536 A CN 106299536A CN 201510284187 A CN201510284187 A CN 201510284187A CN 106299536 A CN106299536 A CN 106299536A
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- China
- Prior art keywords
- cooled plate
- battery modules
- cold
- type liquid
- expandable type
- Prior art date
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The present invention discloses a kind of cold battery modules of expandable type liquid for electric automobile, including at least one basic battery module, basic battery module includes that battery core, positive bus and negative bus-bar, positive bus and negative bus-bar are respectively welded on positive terminal and the negative terminal of battery core；Also include insulating heat-conductive foam, cooled plate and plastic stent, insulating heat-conductive foam and cooled plate is set gradually respectively outside positive bus and negative bus-bar, plastic stent is arranged on the outside of a cooled plate, it is provided with plastics sprue between two cooled plate, the import and export of cooled plate connect with plastics sprue respectively, are provided with the runner connected with plastics sprue bottom the two side of plastic stent；Expandable type liquid cold battery modules outermost two ends are fixedly installed metal platen respectively.The cold battery modules of liquid of the present invention realizes the extensibility of the cold battery modules of liquid, and achieves the purpose of the temperature reducing battery core, and the advantage with uniformity of temperature profile between battery core.
Description
Technical field
The present invention relates to pure electric automobile, oil electricity mixing or accumulation power supply systems technology field, particularly to one
Plant the cold battery modules of expandable type liquid for electric automobile.
Background technology
The current Major Cooling Methods being used battery modules has: heat transfer free convection, air blast cooling are with strong
Liquid processed is cold.Therefore, the battery modules of current main-stream is divided into according to the type of cooling: common batteries module, the most logical
Cross nature heat exchanging mode to cool down；Air-cooled battery modules, is i.e. cooled down by air blast cooling；Battery mould cold with liquid
Group is i.e. cold but by forced fluid.Heat transfer free convection refer to battery modules is the most additionally used have actively the coldest
But or the equipment of temp. control function, the passive heat exchange between battery itself and external environment is relied solely on.
Air blast cooling refers to be internally integrated blower fan or flow-disturbing device etc. at battery system assembly or battery modules, with
Increase the surface convection transfer rate between air and the battery core surface within battery modules, battery core is produced
Heat is taken away by battery core surface heat.Forced fluid is cold to be referred to by battery system assembly or battery modules
Liquid-cooling circulating system is used (to be formed system by compression pump, fluid line, cooled plate, liquid cooling medium etc.
Integrated), by carrying out heat exchange between cooled plate and battery core surface, heat battery core produced is by with outward
The cooling medium of portion's circulation is taken away.
The shortcoming of common batteries module is: carry out with surrounding air owing to battery modules relies solely on battery surface
Heat transfer free convection, does not has external condition to carry out forcing interference.Accordingly, because by of surrounding air itself
Physical property, ambient air temperature are higher, the impact of the factor such as the flow velocity of surrounding air fluid is low, current
The cooling performance of common batteries module is very poor, substantially can not meet big multiplying power and continue the demand of charge and discharge,
I.e. can not meet electric vehicle rapid charging, continue the requirements such as High-current output.Current air-cooled battery modules
Shortcoming be: in order to the use of air-cooled battery modules, battery system assembly needs to be provided for cooling down wind and follows
The air inlet of ring and air outlet, after being provided with air inlet and air outlet, whole battery system is just difficult to meet
Dust-proof, the classification of waterproof requirements such as IP66/IP67 (IP refers to degree of protection test and certification)；And due to by sky
The impact of the factors such as the impact on physical properties of gas itself and air disturbance, air-cooled battery modules is difficult to thoroughly solve
Heat-sinking capability problem of excessive temperature differentials not and between battery core.
The shortcoming of the cold battery modules of current liquid is: (1) generally arrange between battery core surface cooled plate or
Other liquid cooling appts parts, rely on cooled plate to carry out heat exchange by battery core wall and battery core, are the most i.e. difficult to protect
Demonstrate,prove the temperature difference that the temperature between each battery core can obtain between well-proportioned control, i.e. battery core bigger than normal.(2)
Inside a cold battery modules of liquid, it is usually series loop for cooling down the stream of battery core, so can be substantially
Increase the pressure loss of whole liquid cooling loop, cause in the case of cooling system flow is certain, due to car load
Limited arrangement space and increase the selectable range to compression pump in cooling recirculation system and condenser.Or
In the case of car load selectes compression pump and condenser, electricity can not be met due to the reduction of cooling system flow
Pond cooling performance.(3) current liquid cold battery modules typically structure is fixed, it is impossible to enough need according to client
Ask and be adjusted on overall dimensions, i.e. structure extensibility is very poor.
Summary of the invention
The present invention provides a kind of cold battery modules of expandable type liquid for electric automobile, solves existing liquid cold
Set of cells is difficult to ensure that between battery core that the temperature difference is little, uniformity of temperature profile and the structure poor expandability of battery modules
Problem.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of cold battery modules of expandable type liquid for electric automobile, including at least one basic battery module,
Basic battery module includes battery core, positive bus and negative bus-bar, positive bus and negative bus-bar
It is respectively welded on positive terminal and the negative terminal of battery core；Described basic battery module also include insulating heat-conductive foam,
Insulating heat-conductive bubble it is disposed with respectively outside cooled plate and plastic stent, positive bus and negative bus-bar
Cotton and cooled plate, plastic stent is arranged on the outside of a cooled plate, is provided with plastics master between two cooled plate
Runner, the import and export of cooled plate connect with plastics sprue respectively, are provided with bottom the two side of plastic stent
The runner connected with plastics sprue；Described expandable type liquid cold battery modules outermost two ends are fixing respectively to be set
It is equipped with metal platen.
Described basic battery module at least two, described plastic stent is arranged on two basic battery module phases
Between two adjacent cooled plate.
Between described cooled plate and described plastics sprue, runner junction is provided with an O RunddichtringO.
Between described cooled plate and described plastic stent, runner junction is provided with the 2nd O RunddichtringO.
Described cooled plate is internally provided with capillary runner.
Aluminum water-cooling plate that described cooled plate is surface to be processed through anodized surface or copper cooled plate.
Described metal platen is by being attached fixing through the stay bolt of described basic battery template.
Beneficial effects of the present invention:
1. the present invention reduces the temperature of positive and negative electrode bus-bar by aluminum water-cooling plate, it is achieved that reduce the temperature of battery core
The purpose of degree, compared with the tradition cold battery modules of liquid, the advantage with uniformity of temperature profile between battery core.
2. by the present invention in that the aluminum water-cooling plate controlling positive and negative electrode bus-bar temperature is in whole liquid SAPMAC method loop
Middle parallel connection, compared with the tradition cold battery modules of liquid, has the advantage that system pressure loss is less, it is possible to full
Foot required liquid cooling system flow and the car load confined space on the premise of, it is thus achieved that the most wide in range compression pump and
The range of choice of condenser.
3. the present invention is by with basic battery module as unit, to cooling down each basic battery module design therewith
Mate has the cooled plate of interchangeability, plastics sprue, plastic stent etc., to realize the cold battery modules of liquid
Extensibility, there is the advantage that height customizes, it is possible to the quickly different customer demand of response.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is heat conduction principle schematic of the present invention；
Fig. 2 is the schematic diagram of the cold battery modules of expandable type liquid in embodiment；
Fig. 3 is the explosive view of the cold battery modules of expandable type liquid in Fig. 2；
Fig. 4 is conductive structure schematic diagram in embodiment；
Fig. 5 is cooled plate parallel-connection structure schematic diagram in implementing.
In figure, 1. battery core, 2. bus-bar, 3. insulating heat-conductive foam, 4. cooled plate, 5. plastic stent, 6. plastics
Sprue, 7. metal platen, 8. stay bolt, 9. an O RunddichtringO, 10. the 2nd O RunddichtringO
Detailed description of the invention
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 clearly
Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.
As shown in Fig. 1～Fig. 5, the present embodiment provides a kind of expandable type liquid cold battery mould for electric automobile
Group, its heat conduction principle, as it is shown in figure 1, the cold battery modules of expandable type liquid of the present invention, utilizes water-cooled in parallel
Positive bus, the negative bus-bar of basic battery module are entered to dispel the heat by plate 4, and then to electric automobile
Electrokinetic cell carries out active heat management, and overall structure designs for expandable type.
The cold battery modules of expandable type liquid for electric automobile includes four basic battery modules, such as Fig. 2 and
Shown in Fig. 3, each basic battery module includes battery core 1, bus-bar 2, insulating heat-conductive foam 3, cooled plate
4 and plastic stent 5, wherein bus-bar 2 is divided into positive bus and negative bus-bar, positive bus and negative
Pole bus-bar is respectively welded on positive terminal and the negative terminal of battery core 1；Outside positive bus and negative bus-bar
Side is disposed with insulating heat-conductive foam 3 and cooled plate 4 respectively, and plastic stent 5 is arranged on two basic batteries
Between two cooled plate 4 that module is adjacent, play support, protect and fix the effect of basic battery module.
Be provided with plastics sprue 6 between two cooled plate 4, the import and export of cooled plate 4 respectively with plastics sprue 6
Connection, is provided with the runner connected with plastics sprue 6 bottom the two side of plastic stent 5.This is the most electric
The structure of pond module can realize the extensibility of the cold battery modules of liquid, i.e. owns not changing basic battery module
On the premise of parts design, protect the basic battery module of exhibition and can realize the cold battery modules of liquid in groups.
Expandable type liquid cold battery modules outermost two ends are provided with metal platen 7.Metal platen 7 by through
The stay bolt 8 of basic battery template is attached fixing.The present embodiment arranges 8 root length bolts 8, runs through whole
Two ends before and after the cold battery modules of liquid, mechanically connect and secure realizing the entirety of the cold battery modules of liquid.Runner
Both sides arrange 4 root length bolts 8, altogether to realize the cold battery modules of liquid each connecting end surface on stream up and down
Seal.
In order to ensure the sealing of runner, it is provided with in runner junction between cooled plate 4 and plastics sprue 6
Oneth O RunddichtringO 9.
In order to protect the sealing of runner.It is provided with in runner junction between cooled plate 4 and plastic stent 5
Two O RunddichtringOs 10.
Cooled plate 4 is internally provided with capillary runner, can improve the heat transfer efficiency of water-cooled further.
In the present invention, aluminum water-cooling plate that cooled plate 4 is surface to be processed through anodized surface or copper water-cooled
Plate.
As shown in Figure 4, conduction process is as follows for the conductive structure of each basic battery module:
(1) heat produced by battery core 1 can first pass around the both positive and negative polarity pole of battery core 1 side by conduction of heat
Formula is transferred on the bus-bar 2 of basic battery module.In the process, within basic battery module
Electricity battery core 1 is uniformly distributed in the surface of bus-bar 2, and the heat of every battery core 1 generation is identical, every battery core 1
The path that heat passes is the most identical, and bus-bar 2 is thin-walled copper coin (or aluminium sheet).Therefore, the cold battery modules of liquid
Heat for being distributed evenly in bus-bar 2 surface.
(2) insulating heat-conductive foam 3 fits on bus-bar 2 completely, and cooled plate 4 fits in insulating heat-conductive completely
Foam 3, the heat on bus-bar 2 transfers to cooled plate 4 through heat conductive insulating foam by the way of conduction of heat
On.Owing to insulating heat-conductive foam 3 has insulation, thin-walled, softness, high coefficient of thermal conductivity and the most compressible
The various features such as amount, aluminum water-cooling plate and complete the later bus-bar of welding procedure 2 and be good conductor, and rigidity
Higher, be unlikely to deform etc. therefore.Therefore, insulating heat-conductive foam 3 be arranged on bus-bar 2 and aluminum water-cooling plate it
Between, apply its insulation characterisitic can realize the electrical isolation between bus-bar 2 and aluminum water-cooling plate, apply that it is soft,
Compressive characteristics, it is ensured that insulating heat-conductive foam 3 of fitting the most completely between aluminum water-cooling plate and bus-bar 2
Both sides, get rid of air between the two as much as possible, reached optimal thermal conduction effect.Therefore, warp
After crossing insulating heat-conductive foam 3, the heat of the cold battery modules of liquid can be distributed evenly on aluminum water-cooling plate.
(3) in cooled plate 4, heat can to transfer to liquid by forced-convection heat transfer cold through the coolant of circulation
Outside battery modules, finally the heat produced by battery core 1 in charge and discharge process is taken away.Owing to coolant exists
The outside formation of numerous capillary runners, plastics sprue 6 and the cold battery modules of liquid within cooled plate 4 is circulated,
And numerous capillary runners is distributed evenly in cooled plate 4 inside.Therefore, through cooled plate 4, the cold battery of liquid
The heat of module can be taken away by the cooling water with outer loop.
Fig. 5 is cooled plate 4 parallel-connection structure schematic diagram in implementing, and cooled plate 4 is single with plastics sprue 6 respectively
Solely communicate, sealed by sealing ring in runner junction, multiple plastics sprues 6 connect group respectively
Become the cold battery modules of liquid into and out of sprue, the most each cooled plate 4 is parallel connection on stream.
The cold battery modules of liquid of the present invention, the both positive and negative polarity bus-bar of the basic battery module of each can be by phase
Same aluminum water-cooling plate individually cools down, to reach the cooling effect of maximum.Each basic battery module design
One independent dismountable import sprue with interchangeability and outlet sprue, and divide on stream
Other and plastic stent 5 import and export communicates, to realize the feature of liquid cold battery modules extensibility.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (7)
1. for the cold battery modules of expandable type liquid of electric automobile, including at least one basic battery mould
Block, basic battery module includes that battery core, positive bus and negative bus-bar, positive bus and negative pole converge
Stream row be respectively welded on positive terminal and the negative terminal of battery core；It is characterized in that: described basic battery module is also
Depend on respectively including outside insulating heat-conductive foam, cooled plate and plastic stent, positive bus and negative bus-bar
Secondary arranging insulating heat-conductive foam and cooled plate, plastic stent is arranged on the outside of a cooled plate, two cooled plate
Between be provided with plastics sprue, the import and export of cooled plate connect with plastics sprue respectively, plastic stent
The runner connected with plastics sprue it is provided with bottom two side；Described expandable type liquid cold battery modules outermost
Two ends, side are fixedly installed metal platen respectively.
A kind of cold battery modules of expandable type liquid for electric automobile the most according to claim 1, it is special
Levying and be: described basic battery module at least two, described plastic stent is arranged on two basic battery moulds
Between two cooled plate that block is adjacent.
A kind of cold battery modules of expandable type liquid for electric automobile the most according to claim 1, it is special
Levy and be: the O type that is provided with in runner junction between described cooled plate and described plastics sprue seals
Circle.
A kind of cold battery modules of expandable type liquid for electric automobile the most according to claim 1, it is special
Levy and be: between described cooled plate and described plastic stent, runner junction is provided with the 2nd O RunddichtringO.
A kind of cold battery modules of expandable type liquid for electric automobile the most according to claim 1, it is special
Levy and be: described cooled plate is internally provided with capillary runner.
A kind of cold battery modules of expandable type liquid for electric automobile the most according to claim 5, it is special
Levy and be: aluminum water-cooling plate that described cooled plate is surface to be processed through anodized surface or copper cooled plate.
A kind of cold battery modules of expandable type liquid for electric automobile the most according to claim 1, it is special
Levy and be: described metal platen is by being attached fixing through the stay bolt of described basic battery template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284187.7A CN106299536A (en) | 2015-05-28 | 2015-05-28 | A kind of cold battery modules of expandable type liquid for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510284187.7A CN106299536A (en) | 2015-05-28 | 2015-05-28 | A kind of cold battery modules of expandable type liquid for electric automobile |
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| Publication Number | Publication Date |
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| CN106299536A true CN106299536A (en) | 2017-01-04 |
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| CN201510284187.7A Pending CN106299536A (en) | 2015-05-28 | 2015-05-28 | A kind of cold battery modules of expandable type liquid for electric automobile |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921004A (en) * | 2017-01-25 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | The cold battery module of liquid |
| CN107681098A (en) * | 2017-10-17 | 2018-02-09 | 北京普莱德新能源电池科技有限公司 | Cylinder power battery module |
| CN108987851A (en) * | 2018-08-22 | 2018-12-11 | 广州小鹏汽车科技有限公司 | A kind of water-cooled plate and water-cooled battery |
| CN109273653A (en) * | 2018-10-22 | 2019-01-25 | 中兴高能技术有限责任公司 | A kind of battery modules busbar connector |
| CN109686891A (en) * | 2019-01-16 | 2019-04-26 | 郑州比克新能源汽车有限公司 | A kind of liquid integrated battery pack of wind |
| CN109921144A (en) * | 2019-03-29 | 2019-06-21 | 潍柴动力股份有限公司 | The coldplate and electric car of battery |
| CN110600641A (en) * | 2019-08-31 | 2019-12-20 | 风帆有限责任公司 | 48V system lithium ion battery module |
| CN111082187A (en) * | 2020-01-08 | 2020-04-28 | 浙江吉利新能源商用车集团有限公司 | Battery package cooling device |
| CN111934058A (en) * | 2020-09-01 | 2020-11-13 | 湖北亿纬动力有限公司 | Uniform temperature battery module |
| CN112016190A (en) * | 2020-08-04 | 2020-12-01 | 华人运通(上海)新能源驱动技术有限公司 | Power battery temperature correction method and device and computer readable storage medium |
| CN113328168A (en) * | 2021-05-27 | 2021-08-31 | 马鞍山纳百川热交换器有限公司 | Battery pack cooling structure based on water cooling plate and cooling method thereof |
| TWI783323B (en) * | 2020-12-14 | 2022-11-11 | 國家中山科學研究院 | Liquid Cooled Battery Module |
| WO2022262237A1 (en) * | 2021-06-18 | 2022-12-22 | 中国第一汽车股份有限公司 | Battery liquid-cooled plate assembly, power battery assembly and electric vehicle |
| CN117977059A (en) * | 2024-03-28 | 2024-05-03 | 深圳市顺熵科技有限公司 | Battery liquid cooling system and liquid cooling method |
-
2015
- 2015-05-28 CN CN201510284187.7A patent/CN106299536A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106921004A (en) * | 2017-01-25 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | The cold battery module of liquid |
| CN107681098A (en) * | 2017-10-17 | 2018-02-09 | 北京普莱德新能源电池科技有限公司 | Cylinder power battery module |
| CN108987851A (en) * | 2018-08-22 | 2018-12-11 | 广州小鹏汽车科技有限公司 | A kind of water-cooled plate and water-cooled battery |
| CN109273653A (en) * | 2018-10-22 | 2019-01-25 | 中兴高能技术有限责任公司 | A kind of battery modules busbar connector |
| CN109686891A (en) * | 2019-01-16 | 2019-04-26 | 郑州比克新能源汽车有限公司 | A kind of liquid integrated battery pack of wind |
| CN109921144A (en) * | 2019-03-29 | 2019-06-21 | 潍柴动力股份有限公司 | The coldplate and electric car of battery |
| CN110600641A (en) * | 2019-08-31 | 2019-12-20 | 风帆有限责任公司 | 48V system lithium ion battery module |
| CN111082187A (en) * | 2020-01-08 | 2020-04-28 | 浙江吉利新能源商用车集团有限公司 | Battery package cooling device |
| CN112016190A (en) * | 2020-08-04 | 2020-12-01 | 华人运通(上海)新能源驱动技术有限公司 | Power battery temperature correction method and device and computer readable storage medium |
| CN112016190B (en) * | 2020-08-04 | 2021-06-29 | 华人运通(上海)新能源驱动技术有限公司 | Power battery temperature correction method and device and computer readable storage medium |
| CN111934058A (en) * | 2020-09-01 | 2020-11-13 | 湖北亿纬动力有限公司 | Uniform temperature battery module |
| TWI783323B (en) * | 2020-12-14 | 2022-11-11 | 國家中山科學研究院 | Liquid Cooled Battery Module |
| CN113328168A (en) * | 2021-05-27 | 2021-08-31 | 马鞍山纳百川热交换器有限公司 | Battery pack cooling structure based on water cooling plate and cooling method thereof |
| WO2022262237A1 (en) * | 2021-06-18 | 2022-12-22 | 中国第一汽车股份有限公司 | Battery liquid-cooled plate assembly, power battery assembly and electric vehicle |
| CN117977059A (en) * | 2024-03-28 | 2024-05-03 | 深圳市顺熵科技有限公司 | Battery liquid cooling system and liquid cooling method |
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