CN202997006U - Liquid cooling device for lithium ion battery - Google Patents
Liquid cooling device for lithium ion battery Download PDFInfo
- Publication number
- CN202997006U CN202997006U CN 201220680807 CN201220680807U CN202997006U CN 202997006 U CN202997006 U CN 202997006U CN 201220680807 CN201220680807 CN 201220680807 CN 201220680807 U CN201220680807 U CN 201220680807U CN 202997006 U CN202997006 U CN 202997006U
- Authority
- CN
- China
- Prior art keywords
- cooling
- cooling liquid
- lithium
- ion
- channel
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y02E60/12—
Abstract
The utility model relates to a liquid cooling device for a lithium ion battery. The liquid cooling device comprises an upper cover, a lower cover, battery monomers and a confluence plate. The upper cover and the lower cover are connected together in an interference fit way to form 36 cylindrical cavities and 25 cooling liquid flow channels; the battery monomers are arranged in the cylindrical cavities and connected in parallel through the confluence plate; the upper cover comprises a cooling liquid outlet, an upper cooling liquid flow channel, an upper connecting channel and an upper-layer shell; the lower cover comprises a cooling liquid inlet, a lower cooling liquid flow channel, a lower connecting channel and a lower-layer shell. The upper connecting channel and the lower connecting channel are distributed in an S-shape. The liquid cooling device provided by the utility model is simple in structure, convenient to manufacture, remarkable in cooling effect, safe and reliable, capable of controlling the working temperature of the battery within a reasonable temperature range, achieving uniform temperature distribution and avoiding potential safety hazards such as thermal runaway, spontaneous ignition and even explosion.
Description
Technical field
The present invention be directed to a kind of Control device of liquid cooling of lithium-ion-power cell design, be specifically related to the liquid cooling structure design of a power battery module.
Background technology
Day by day serious along with problems such as the wasting of resources, environmental pollution, personal safety, people's energy-conserving and environment-protective consciousness strengthens gradually, and electric automobile more and more is subject to people's attention as the developing direction of future automobile.Electrokinetic cell is related to the performance of car load overall performance as the heart of electric automobile, has obtained thus development fast.Current electrokinetic cell is just towards the future development of high power and quick charge, various aspects of performance has obtained great lifting, meanwhile also caused many problem demanding prompt solutions, the battery thermal runaway that particularly causes due to excess Temperature, spontaneous combustion are even exploded etc. and to be threatened the major safety risks of user's person property.Therefore, the research of pile cooling becomes the emphasis of people's research gradually.
The type of cooling of electrokinetic cell is varied, but the main type of cooling has air-cooled type and liquid-cooling type.Wherein cooling air mode is simple in structure with it, lighter weight, the advantage such as cheap is widely applied, various forms of cooling structures emerge in an endless stream, but along with the continuous lifting that people require indices such as electric automobile continual mileage, power, energy, battery cell quantity doubles, and the power brick volume increases, electrokinetic cell power constantly strengthens, and traditional cooling air mode can not satisfy the demand of battery cooling system.The problems such as and that liquid cooling mode can well solve under high power battery temperature is too high, and in power brick temperature distributing disproportionation is even realize the performance of power brick optimum performance.Yet ripe not enough for the research of liquid cooling mode at present, be difficult to be applied to engineering practice, therefore, in the urgent need to designing a kind of effective, realistic Control device of liquid cooling, use for production practices now.
Summary of the invention
The objective of the invention is for the problems referred to above, propose a kind ofly can satisfy the lithium-ion-power cell Control device of liquid cooling of putting into practice needs, solve the ubiquitous battery operated excess Temperature of current electrokinetic cell, the problems such as the interior temperature distributing disproportionation of power brick is even are avoided the generation of the potential safety hazards such as thermal runaway, spontaneous combustion, blast.
Technical scheme of the present invention is: lithium-ion-power cell Control device of liquid cooling of the present invention comprises upper cover, lower cover, four parts such as sheet and battery cell conflux.Wherein upper cover is comprised of three parts such as cooling liquid outlet, upper cooling liquid flowing channel, upper interface channels; Lower cover is comprised of three parts such as cooling fluid entrance, lower cooling liquid flowing channel, lower interface channels.Upper cover and lower cover fit together and form 36 cylindrical cavities and 25 cooling liquid flowing channels, battery cell is arranged in cavity, cooling fluid enters from entrance, and the interface channel by up and down cooling liquid flowing channel and snakelike distribution flows out from outlet, and battery cell is realized parallel join by the sheet that confluxes.
Above-mentioned battery cell is lithium-ion-power cell.
The interface channel of above-mentioned cooling liquid flowing channel is arranged on outside battery module, when cooling fluid is flowed through, can pass through its wall and surrounding environment heat exchange, further strengthens heat transfer effect.
Upper cover and the lower cover of above-mentioned lithium-ion-power cell Control device of liquid cooling link together by interference fit, compact conformation.
Above-mentioned interference fit is to insert upper cooling liquid flowing channel by lower cooling liquid flowing channel, and identical with coolant flow direction, two runner contact portions scribble electric insulating sealant simultaneously, further prevents the cooling fluid leakage.
The design shape of above-mentioned cooling liquid flowing channel can improve the mass flow of cooling fluid to greatest extent in limited volume, and the heat exchange area of cooling fluid and peripheral wall surface, effectively raises the radiating effect of battery cell; Cooling liquid flowing channel is spaced apart, can realize that basically each battery cell equivalence is cooling.
The present invention compares with existing structure and has the following advantages:
1, cooling liquid flowing channel novel structure has increased the mass flow of cooling fluid to greatest extent in limited volume, increased the heat exchange area of cooling fluid and cooling liquid flowing channel, has reduced flow resistance, has reduced the needed energy consumption of promotion liquid.
2, the upper cover of aforesaid liquid cooling structure connects together by interference fit with lower cover, reveal in order further to prevent cooling fluid, up and down cooling liquid flowing channel contact portion connects by electric insulating sealant, and when the both sides, up and down connect, direction of insertion is from bottom to top, and direction of insertion is identical with coolant flow direction.
3, cooling liquid flowing channel distributes at the battery module internal interval, and coolant flow is snakelike liquid form, guaranteed that battery module inside is comprehensive, balanced heat radiation, has overcome the defective of inside modules excess Temperature in the past and skewness.
4, ingenious, the function admirable of this invention design, easy to make and radiating effect is obvious, can guarantee the safe and effective operation of electrokinetic cell.
Description of drawings
Fig. 1 is lithium-ion-power cell liquid cooling structure assembling explosive view of the present invention.
Fig. 2 is lithium-ion-power cell liquid cooling structure front view of the present invention.
Fig. 3 is lithium-ion-power cell liquid cooling structure top and bottom perspective views of the present invention.
Fig. 4 is the structural representation of lithium-ion-power cell liquid cooling structure upper cover of the present invention and lower cover.
Fig. 5 is cooling liquid flowing channel and the connecting pipeline structure schematic diagram of lithium-ion-power cell liquid cooling structure of the present invention.
Fig. 6 is the entrance structure schematic diagram of lithium-ion-power cell liquid cooling structure of the present invention.
Embodiment
Below in conjunction with the detailed explanation the specific embodiment of the present invention of accompanying drawing.
As scheme a kind of lithium-ion-power cell Control device of liquid cooling of the present invention, comprise battery cell 1, the part such as the sheet 6 that confluxes, upper cover 2 and lower cover 3; Wherein upper cover 2 is comprised of upper strata housing 8, cooling liquid outlet 5, upper cooling liquid flowing channel 12 and upper interface channel 7; Lower cover 3 is comprised of lower floor's housing 9, cooling fluid entrance 4, lower cooling liquid flowing channel 13 and lower interface channel 10; Upper cover and lower cover link together and consist of an integral body, have formed 36 cylindrical cavities 11 and 25 cooling liquid flowing channels 12,13; Battery cell is arranged in cylindrical cavity 11, and cooling fluid flows in runner 12,13; Battery cell 1 is realized parallel connection by being connected with the sheet 6 that confluxes.
36 battery cells 1 in invention lithium-ion-power cell Control device of liquid cooling form a battery module, and by the sheet 6 that confluxes connect realize in parallel in twos, needed voltage and capacity when providing electric automobile normally to travel.
Upper cover 2 and the lower cover 3 of invention lithium-ion-power cell Control device of liquid cooling link together by interference fit.In order to prevent that cooling fluid from revealing in flow process, above-mentioned interference fit realizes by lower cooling liquid flowing channel 13 is inserted upper cooling liquid flowing channels 12, and direction of insertion is identical with coolant flow direction, and two runner junctions scribble electric insulating sealant.
In order to increase the heat exchange area of cooling fluid and peripheral wall surface, cooling liquid flowing channel 12,13 is designed to a kind diamond structure, and the four edges of rhombus and four summits are arc-shaped structure, increase on the one hand heat exchange area, be to reduce flow resistance on the other hand, increase the mass flow of cooling fluid.
In order to allow the cooling effect of each battery cell 1 identical as far as possible, improve the temperature homogeneity of battery module inside, coolant flow 12,13 spaced apart, all be provided with a cooling liquid flowing channel 12,13 between every 4 battery cells 1, in order to realize the serial flow from cooling fluid entrance 4 to outlet 5, guarantee cooling fluid each runner 12,13 of flowing through, all be provided with interface channel 7,10 at upper cover 2 and lower cover 3.
In order to strengthen the exchange heat of cooling fluid and surrounding environment, cooling liquid flowing channel 12,13 interface channel 7,10 are arranged on cell module outer portion, can carry out a part of exchange heat with surrounding environment when cooling fluid is flowed through, and have strengthened the heat transfer effect of cooling fluid.
The course of work of the present invention is: on the one hand, the cavity wall that during battery cell 1 work, liberated heat forms by upper cover 2 and lower cover 3 and cooling liquid flowing channel 12,13 outside wall surface pass to internal face, carry out heat exchange with cooling fluid.On the other hand, cooling fluid flows into cooling liquid flowing channel 12,13 by the cooling fluid entrance 4 of lower cover, by upper interface channel 7, enter second cooling liquid flowing channel 12,13, by lower interface channel 10, enter again the 3rd cooling liquid flowing channel 12,13, so circulation until flow out cooling liquid outlet 5, is transferred to the heat that exchanges in external environment, in this simultaneously cooling fluid flow through interface channel 7, carried out heat exchange by wall and heat exchange on every side at 10 o'clock, further improved the radiating effect of cooling fluid.This type of cooling is simple in structure, easily manufactured, cooling liquid flowing channel has obtained rational layout, cooling effect is obvious, within the working temperature of battery can be controlled rational scope, temperature homogeneity in power brick also is greatly improved, and basically can guarantee serviceability and the useful life of battery.
Claims (6)
1. a lithium-ion-power cell Control device of liquid cooling, is characterized in that comprising the parts such as battery cell (1), the sheet that confluxes (6), upper cover (2) and lower cover (3); Wherein upper cover (2) is comprised of upper strata housing (8), cooling liquid outlet (5), upper cooling liquid flowing channel (12) and upper interface channel (7); Lower cover (3) is comprised of lower floor's housing (9), cooling fluid entrance (4), lower cooling liquid flowing channel (13) and lower interface channel (10); Upper cover and lower cover link together and consist of an integral body, have formed 36 cylindrical cavities (11) and 25 cooling liquid flowing channels (12), (13); Battery cell is arranged in cylindrical cavity (11), and cooling fluid flows in runner (12), (13) and upper interface channel (7) and lower interface channel (10); Battery cell (1) is realized parallel connection by being connected with the sheet that confluxes (6).
2. a kind of lithium-ion-power cell Control device of liquid cooling according to claim 1, is characterized in that described upper interface channel (7) and lower interface channel (10) are arranged on outside battery module.
3. a kind of lithium-ion-power cell Control device of liquid cooling according to claim 1, is characterized in that described battery cell (1) is lithium-ion-power cell.
4. a kind of lithium-ion-power cell Control device of liquid cooling according to claim 1, is characterized in that described upper cover (2) and lower cover (3) link together by interference fit.
5. a kind of lithium-ion-power cell Control device of liquid cooling according to claim 4, it is characterized in that described interference fit is by cooling liquid flowing channel (12) in lower cooling liquid flowing channel (13) insertion, identical with coolant flow direction, the passage junction scribbles electric insulating sealant simultaneously.
6. a kind of lithium-ion-power cell Control device of liquid cooling according to claim 4, it is characterized in that described cooling liquid flowing channel (12), (13) are the class diamond structure, its four edges and four summits all are designed to arc-shaped structure, and the interval arrangement form is adopted in cooling liquid flowing channel (12), (13) simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220680807 CN202997006U (en) | 2012-11-29 | 2012-11-29 | Liquid cooling device for lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220680807 CN202997006U (en) | 2012-11-29 | 2012-11-29 | Liquid cooling device for lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202997006U true CN202997006U (en) | 2013-06-12 |
Family
ID=48568138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220680807 Expired - Fee Related CN202997006U (en) | 2012-11-29 | 2012-11-29 | Liquid cooling device for lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202997006U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103811831A (en) * | 2013-11-18 | 2014-05-21 | 吉林大学 | Lithium ion powder battery liquid cooling structure |
| CN104269503A (en) * | 2014-10-15 | 2015-01-07 | 上海修源网络科技有限公司 | Cylindrical battery pack provided with guide structures |
| CN105118937A (en) * | 2014-05-15 | 2015-12-02 | F·波尔希名誉工学博士公司 | Battery module |
| CN105846009A (en) * | 2015-01-29 | 2016-08-10 | 罗伯特·博世有限公司 | Battery module comprising shell, cells, and cooling device, and method for cooling cells of battery |
| CN106252786A (en) * | 2016-09-18 | 2016-12-21 | 广东工业大学 | A kind of dynamic lithium battery module chiller |
| CN106558745A (en) * | 2015-09-29 | 2017-04-05 | 格朗吉斯铝业（上海）有限公司 | Electrokinetic cell cooling structure |
| CN108110371A (en) * | 2017-12-15 | 2018-06-01 | 冯志成 | A kind of power battery module structure |
| CN108847509A (en) * | 2018-05-17 | 2018-11-20 | 惠州市亿能电子有限公司 | A kind of cooling structure and battery modules |
| CN109860442A (en) * | 2017-11-30 | 2019-06-07 | 陈文仿 | Multi-joint single lithium battery group encapsulation technology |
| CN110137390A (en) * | 2018-02-02 | 2019-08-16 | 郑州宇通集团有限公司 | Power battery module, battery cell and battery cell upper cover |
| CN111477994A (en) * | 2020-06-28 | 2020-07-31 | 四川大学 | Integrated power battery pack cooling system with flow dividing structure and battery pack |
| CN114094226A (en) * | 2021-08-25 | 2022-02-25 | 北京理工大学 | Interlayer type power battery pack liquid cooling system |
-
2012
- 2012-11-29 CN CN 201220680807 patent/CN202997006U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103811831A (en) * | 2013-11-18 | 2014-05-21 | 吉林大学 | Lithium ion powder battery liquid cooling structure |
| CN105118937B (en) * | 2014-05-15 | 2017-10-13 | F·波尔希名誉工学博士公司 | Battery module |
| CN105118937A (en) * | 2014-05-15 | 2015-12-02 | F·波尔希名誉工学博士公司 | Battery module |
| CN104269503A (en) * | 2014-10-15 | 2015-01-07 | 上海修源网络科技有限公司 | Cylindrical battery pack provided with guide structures |
| CN105846009A (en) * | 2015-01-29 | 2016-08-10 | 罗伯特·博世有限公司 | Battery module comprising shell, cells, and cooling device, and method for cooling cells of battery |
| CN106558745A (en) * | 2015-09-29 | 2017-04-05 | 格朗吉斯铝业（上海）有限公司 | Electrokinetic cell cooling structure |
| CN106558745B (en) * | 2015-09-29 | 2019-04-23 | 格朗吉斯铝业（上海）有限公司 | Power battery cooling structure |
| CN106252786A (en) * | 2016-09-18 | 2016-12-21 | 广东工业大学 | A kind of dynamic lithium battery module chiller |
| CN109860442A (en) * | 2017-11-30 | 2019-06-07 | 陈文仿 | Multi-joint single lithium battery group encapsulation technology |
| CN108110371A (en) * | 2017-12-15 | 2018-06-01 | 冯志成 | A kind of power battery module structure |
| CN110137390A (en) * | 2018-02-02 | 2019-08-16 | 郑州宇通集团有限公司 | Power battery module, battery cell and battery cell upper cover |
| CN108847509A (en) * | 2018-05-17 | 2018-11-20 | 惠州市亿能电子有限公司 | A kind of cooling structure and battery modules |
| CN111477994A (en) * | 2020-06-28 | 2020-07-31 | 四川大学 | Integrated power battery pack cooling system with flow dividing structure and battery pack |
| CN114094226A (en) * | 2021-08-25 | 2022-02-25 | 北京理工大学 | Interlayer type power battery pack liquid cooling system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202997006U (en) | Liquid cooling device for lithium ion battery | |
| CN102969545A (en) | Liquid cooling device of lithium ion power battery | |
| CN201936970U (en) | Power battery module | |
| CN102623771B (en) | A kind of battery cooling plate structure | |
| CN105789733A (en) | Thermal management device and power source device | |
| CN103811831B (en) | A kind of lithium-ion-power cell liquid cooling structure | |
| CN106505277A (en) | The cold battery modules of liquid | |
| CN102916234A (en) | Battery pack liquid cooling system | |
| CN206921972U (en) | A kind of radiator structure, thermal management device of battery and automobile | |
| CN210489698U (en) | Battery module, battery package and vehicle | |
| CN206619669U (en) | A kind of battery modules of end plate built-in water passage | |
| CN201946715U (en) | Temperature-controlling circulating water system of power lithium ion battery box | |
| CN105633501A (en) | Liquid flow thermal management device and management system of electromobile power battery pack and control method of management system | |
| CN107403892A (en) | Heat-conductive assembly, the high capacity cell and its manufacture method for configuring the heat-conductive assembly | |
| CN203071191U (en) | Battery cooling plate | |
| CN203351711U (en) | Power battery thermal management system based on panel heat pipes | |
| CN205882121U (en) | Heating fluid cold drawing of battery module | |
| CN206040905U (en) | Battery for electric vehicle thermal management system | |
| CN114628813A (en) | Quick-charging type lithium battery module | |
| CN207165641U (en) | Heat-conductive assembly and the high capacity cell for configuring the heat-conductive assembly | |
| CN206976441U (en) | A kind of battery modules | |
| CN207320173U (en) | A kind of rectangular cell with soakage function | |
| CN108110373A (en) | A kind of liquid heat management device of cylindrical lithium ion battery group | |
| CN201590441U (en) | Battery pack for supplying power to electric vehicles | |
| CN207368166U (en) | A kind of battery modules radiator structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20131129 |