CN208014770U - Battery modules and its temperature control frame - Google Patents
Battery modules and its temperature control frame Download PDFInfo
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- CN208014770U CN208014770U CN201820361641.3U CN201820361641U CN208014770U CN 208014770 U CN208014770 U CN 208014770U CN 201820361641 U CN201820361641 U CN 201820361641U CN 208014770 U CN208014770 U CN 208014770U
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- heat
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- battery core
- temperature control
- conducting layer
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- 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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Abstract
The utility model is related to a kind of battery modules and its temperature control frames.Battery modules include temperature control frame and the battery core that is arranged in temperature control frame, the temperature control frame includes two side plates formed by liquid cooling plate being oppositely arranged, the spaced apart protective plate for heat conduction of extending direction along side plate is connected between two side plates, the protective plate and side plate surround the accommodating chamber for accommodating battery core, the shape of accommodating chamber and the shape adaptation of battery core, the protective plate includes the thermal insulation layer and heat-conducting layer of arranged stacked, and the cavity wall of at least side of the accommodating chamber is formed by heat-conducting layer.Thermal insulation layer can prevent heat from being transmitted between two neighboring battery core, it avoids causing thermal diffusion phenomenon when single battery core thermal runaway, the heat of battery core can be transferred to the both side plate formed by liquid cooling plate by the heat-conducting layer of protective plate and be directly passed to liquid cooling plate by the contact surface of battery and liquid cooling plate simultaneously, battery core is avoided to be in hot operation state, to extend the service life of battery modules.
Description
Technical field
The utility model is related to a kind of battery modules and its temperature control frames.
Background technology
The power battery of existing new-energy automobile is usually the form that multiple battery modules are combined as battery pack, single electricity
Multiple battery cores are equipped in the module of pond, power battery during use, put, squeeze, burning because of situations such as overcharging, excessively by battery core
It will appear thermal runaway phenomenon, smolder so as to cause battery, on fire or explosion etc., single battery core occurs to pass heat when thermal runaway
Adjacent battery core is passed, makes adjacent battery thermal runaway and causes thermal diffusion phenomenon.
Existing battery modules include battery frame and the battery core that is arranged in battery frame, battery frame include bottom plate,
Side plate and the end plate at side plate both ends is set, bottom plate is formed by liquid cooling plate, and both ends and side plate are equipped between the side plate being oppositely arranged
Connection and spaced apart thermal insulation board, thermal insulation board define the accommodating chamber for accommodating battery core with side plate, and battery core, which is mounted on, to be accommodated
Intracavitary.
When in use, the heat-proof quality of thermal insulation board is good for existing battery modules, when thermal runaway phenomenon occurs for single battery core
When, thermal insulation board can prevent the heat transfer of battery core from preventing thermal diffusion phenomenon to adjacent battery core, but due to thermal insulation board
Heat-proof quality is good, and the heat of battery core can only be transmitted by the liquid cooling plate contacted with battery core, can lead to the heat dissipation performance of battery core
Decline, and use can reduce its service life to power battery at high temperature.
Utility model content
The purpose of this utility model is to provide a kind of temperature control frames, with the heat transfer between isolation battery core and battery core
When can also effectively conduct the heat of battery, avoid battery core from working at high temperature;The utility model additionally provides a kind of use
The battery modules of the temperature control frame.
In order to solve the above-mentioned technical problem, the technical solution of the battery modules of the utility model is:
A kind of battery modules, including temperature control frame and the battery core being arranged in temperature control frame, the temperature control frame includes phase
To two side plates of setting formed by liquid cooling plate, the spaced apart use of extending direction along side plate is connected between two side plates
In the protective plate of heat conduction, the protective plate and side plate surround the accommodating chamber for accommodating battery core, the shape of accommodating chamber and battery core
Shape adaptation, the protective plate include the thermal insulation layer and heat-conducting layer of arranged stacked, the cavity wall of at least side of the accommodating chamber by
Heat-conducting layer is formed.
The advantageous effect of the technical solution is:Protective plate includes thermal insulation layer and heat-conducting layer, and battery modules are in the mistake used
Cheng Zhong, thermal insulation layer can prevent heat from being transmitted between two neighboring battery core, avoid causing thermal diffusion when single battery core thermal runaway
Phenomenon, while the heat of battery core can be transferred to the both side plate formed by liquid cooling plate and by electricity by the heat-conducting layer of protective plate
The contact surface of pond and liquid cooling plate is directly passed to liquid cooling plate, and battery core is avoided to be in hot operation state, to extend battery mould
The service life of group.
The temperature control frame further includes the end plate for being arranged in two side ends and connecting two side plates, and end plate is close to battery core
Side be equipped with the protective plate.Protective plate between end plate and battery core is convenient for transmitting heat between battery core and liquid cooling plate.
The protective plate is fixedly connected with liquid cooling plate.Protective plate is fixed with liquid cooling plate, and structural strength is high.
The protective plate is with liquid cooling plate by being welded to connect.Protective plate is welded to connect with liquid cooling plate, can increase protective plate
With the structural strength of the junction of liquid cooling plate, to increase the structural strength of temperature control frame.
The heat-conducting layer is metal heat-conducting layer, and heat pipe is embedded in the metal heat-conducting layer.The cost of metal heat-conducting layer is low,
Heat pipe can enhance heat-conducting effect.
The heat-conducting layer is graphene layer.The good heat conduction effect of graphene.
The thermal insulation layer is phase transformation insulation material layer or refractory insulation.Phase transformation insulation material layer and refractory heat-insulating material
The good heat-insulation effect of the bed of material.
The technical solution of the temperature control frame of the utility model is:
A kind of temperature control frame, including two side plates formed by liquid cooling plate that are oppositely arranged are connected between two side plates
Along the spaced apart protective plate for heat conduction of the extending direction of side plate, the protective plate and side plate are surrounded for accommodating battery core
Accommodating chamber, the shape of accommodating chamber and the shape adaptation of battery core, the protective plate include the thermal insulation layer and heat-conducting layer of arranged stacked, institute
The cavity wall for stating at least side of accommodating chamber is formed by heat-conducting layer.
The advantageous effect of the technical solution is:Protective plate includes thermal insulation layer and heat-conducting layer, and battery modules are in the mistake used
Cheng Zhong, thermal insulation layer can prevent heat from being transmitted between two neighboring battery core, avoid causing thermal diffusion when single battery core thermal runaway
Phenomenon, while the heat of battery core can be transferred to the both side plate formed by liquid cooling plate and by electricity by the heat-conducting layer of protective plate
The contact surface of pond and liquid cooling plate is directly passed to liquid cooling plate, and battery core is avoided to be in hot operation state, to extend battery mould
The service life of group.
The temperature control frame further includes the end plate for being arranged in two side ends and connecting two side plates, and end plate is close to battery core
Side be equipped with the protective plate.Protective plate between end plate and battery core is convenient for transmitting heat between battery core and liquid cooling plate.
The protective plate is fixedly connected with liquid cooling plate.Protective plate is fixed with liquid cooling plate, and structural strength is high.
The protective plate is with liquid cooling plate by being welded to connect.Protective plate is welded to connect with liquid cooling plate, can increase protective plate
With the structural strength of the junction of liquid cooling plate, to increase the structural strength of temperature control frame.
The heat-conducting layer is metal heat-conducting layer, and heat pipe is embedded in the metal heat-conducting layer.The cost of metal heat-conducting layer is low,
Heat pipe can enhance heat-conducting effect.
The heat-conducting layer is graphene layer.The good heat conduction effect of graphene.
The thermal insulation layer is phase transformation insulation material layer or refractory insulation.Phase transformation insulation material layer and refractory heat-insulating material
The good heat-insulation effect of the bed of material.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment 1 of the battery modules of the utility model;
Fig. 2 is the stereogram of the battery modules of Fig. 1;
Fig. 3 is the decomposition diagram of the battery modules of Fig. 2;
Fig. 4 is the structural schematic diagram of the protective plate of the embodiment 1 of the battery modules of the utility model;
Fig. 5 is the partial structural diagram of the embodiment 1 of the battery modules of the utility model.
It is respectively marked in figure:1. liquid cooling plate;2. protective plate;3. battery core;4. end plate;21. heat-conducting layer;22. thermal insulation layer.
Specific implementation mode
The embodiment 1 of the battery modules of the utility model is as shown in Figures 1 to 5, and battery modules include temperature control frame and set
The battery core 3 in temperature control frame is set, temperature control frame includes bottom plate, side plate and top plate(It is not shown in bottom plate and top plate figure), relatively
Two side plates being arranged are formed by liquid cooling plate 1.It is connect with liquid cooling plate 1 equipped with both ends between two liquid cooling plates 1 and spaced apart
Protective plate 2 can mutually transmit heat between protective plate 2 and liquid cooling plate 1.Liquid cooling plate 1 is surrounded with protective plate 2 for accommodating battery core
3 accommodating chamber, the shape adaptation of the shape and battery core 3 of accommodating chamber, end plate 4 forms the outside plate of battery modules with liquid cooling plate 1, to electricity
Core 3 is protected.By being welded to connect between liquid cooling plate 1 and protective plate 2, liquid cooling plate 1 and the structure of the junction of protective plate 2 are strong
Degree is high, can enhance the structural strength of temperature control frame, have the function of fixed battery core;In other embodiments, liquid cooling plate 1 with it is anti-
Backplate 2 can also be bolted;Slot can also be set on liquid cooling plate 1, and protective plate 2 is inserted into slot.
Protective plate 2 includes the thermal insulation layer 22 being stacked and heat-conducting layer 21, as preferred embodiment, protective plate two
Layer structure, i.e. protective plate only include one layer of thermal insulation layer 22 and one layer of heat-conducting layer 21, it is possible to reduce the thickness of protective plate.Protective plate
The direction of thermal insulation layer 22 and heat-conducting layer 21 is consistent, then one of two cavity walls of accommodating chamber formed by protective plate be every
Thermosphere 22, another be heat-conducting layer 21, define battery core parallel direction be thickness direction, the two of 3 through-thickness of each battery core
One of a side wall is contacted with thermal insulation layer 22, another is contacted with heat-conducting layer 21, to ensure between two adjacent battery cores 3
Completely cut off heat by thermal insulation layer, while heat can also be transmitted between liquid cooling plate by heat-conducting layer 21.Battery core 3 and thickness direction
Vertical side wall is contacted with two liquid cooling plates 1 to transmit heat using the ontology of battery core 3 and liquid cooling plate.
As preferred embodiment, temperature control frame further includes being arranged in two liquid in the end of two liquid cooling plates 1 and connection
The end plate 4 of cold plate 1, end plate 4 are equipped with protective plate 2 close to the side of battery core 3, and protective plate 2 can be in the heat-insulated feelings for ensureing battery core 3
The heat transfer efficiency between battery core 3 and liquid cooling plate 1 is improved under condition;It in other embodiments, can also be only between end plate 4 and battery core 3
Setting thermal insulation board or end plate 4 have heat insulation and end plate 4 are made to be in direct contact with battery core 3.
As preferred embodiment, the length-width ratio of the cross section of battery core 3 is 2.4, and the cross section of battery core 3 is and battery core 3
Electrode the vertical plane of extending direction, the longer sides of the cross section of battery core 3 are length, and the shorter edge of the cross section of battery core 3 is
It is wide;In other embodiments, the length-width ratio of the cross-sectional area of battery core 3 may be other numerical value.The cross section of battery core 3 it is wide compared with
Greatly, the contact area of the ontology and liquid cooling plate 1 of battery core 3 can be increased, improve the heat transfer efficiency between battery core 3 and liquid cooling plate 1.
As preferred embodiment, heat-conducting layer 21 is metal heat-conducting layer, it is preferable that heat-conducting layer 21 is layers of copper, layers of copper
The capacity of heat transmission is strong, convenient for quickly transmitting heat, in other embodiments, heat-conducting layer 21 or aluminium layer;Also may be used in layers of copper
Enhance the heat-conducting effect of layers of copper to be embedded in heat pipe;The non-metallic layers such as heat-conducting layer 21 or graphene layer.Preferably, heat-insulated
Layer 22 is phase transformation insulation material layer, the good heat-insulation effect of phase transformation heat-barrier material;In other embodiments, thermal insulation layer 22 may be
Refractory insulation.
Above-mentioned battery modules have when in use to be heated and the two kinds of situations that radiate to battery core.When the temperature of battery core 3
Too low, when being not suitable for work, high temperature coolant enters from the entrance of liquid cooling plate 1, and outlet outflow, high temperature coolant is flowing through liquid cooling
Liquid cooling plate 1 is quickly heated when fluid channel inside plate 1 makes 1 temperature of liquid cooling plate increase, liquid cooling plate 1 by with 3 ontology of battery core
Contact surface transfers heat to battery core 3, while heat also passes through heat-conducting layer 21 and is transferred to battery core 3, passes through the anti-of high temperature coolant
The temperature of battery core 3 can be risen rapidly to suitable operating temperature by multiple cycle.
When the temperature of the battery core in battery modules is excessively high, needs heat dissipation, battery core 3 is contacted by its ontology with liquid cooling plate 1
Contact surface carry out heat transfer, while heat-conducting layer 21 absorbs the heat of battery core 3 and by the junction with liquid cooling plate 1 by heat
It is transferred to liquid cooling plate 1, cryogenic liquid enters from the entrance of liquid cooling plate 1, and outlet outflow, cryogenic liquid is flowing through liquid cooling plate 1
When the fluid channel of inside, quickly heat can be taken away, it can be fast by the temperature of battery core 3 by the iterative cycles of cryogenic liquid
Prompt drop is as low as suitable operating temperature.
When generating thermal runaway when the temperature of single battery core 3 is excessively high, the battery core 3 of thermal runaway can will occur for thermal insulation layer 22
Heat is isolated, and prevents the heat transfer of thermal runaway from generating thermal diffusion phenomenon to adjacent battery core 3, while a large amount of heat passes through
The ontology and heat-conducting layer 21 of battery core 3 are transferred to liquid cooling plate 1, and heat is taken away to prevent by the cryogenic liquid in liquid cooling plate 1
The accumulation of heat reduces the loss that thermal runaway is brought.
The embodiment 2 of the battery modules of the utility model, with embodiment 1 difference lies in:Protective plate includes in embodiment 1
Heat-conducting layer and each one layer of thermal insulation layer, one of two cavity walls that accommodating chamber is formed by protective plate are heat-conducting layer, another is
Thermal insulation layer, in the present embodiment, protective plate may be three-decker, and protective plate includes two layers of heat-conducting layer, and thermal insulation layer setting exists
Between two layers of heat-conducting layer, two cavity walls of accommodating chamber are heat-conducting layer at this time, and the two side walls of battery core are contacted with heat-conducting layer, are improved
Heat transfer efficiency.
The utility model additionally provides a kind of embodiment of temperature control frame, concrete structure in above-mentioned battery modules
The concrete structure of temperature control frame is identical, and details are not described herein again.
Claims (14)
1. a kind of battery modules, including temperature control frame and the battery core that is arranged in temperature control frame, it is characterised in that:The temperature control frame
Frame includes two side plates formed by liquid cooling plate being oppositely arranged, and is connected with along the extending direction interval of side plate between two side plates
The protective plate for heat conduction of arrangement, the protective plate and side plate surround the accommodating chamber for accommodating battery core, the shape of accommodating chamber
With the shape adaptation of battery core, the protective plate includes the thermal insulation layer and heat-conducting layer along battery core parallel direction arranged stacked, described anti-
The thermal insulation layer of backplate and the direction of heat-conducting layer are consistent, and the cavity wall of at least side of the accommodating chamber is formed by heat-conducting layer, each
Battery core is contacted along one of two side walls of parallel direction with thermal insulation layer, another is contacted with heat-conducting layer.
2. battery modules according to claim 1, it is characterised in that:The temperature control frame further includes being arranged in two side plates
End and the end plate for connecting two side plates, end plate are equipped with the protective plate close to the side of battery core.
3. battery modules according to claim 1 or 2, it is characterised in that:The protective plate is fixedly connected with liquid cooling plate.
4. battery modules according to claim 3, it is characterised in that:The protective plate is with liquid cooling plate by being welded to connect.
5. battery modules according to claim 1 or 2, it is characterised in that:The heat-conducting layer is metal heat-conducting layer, the gold
Belong to and is embedded with heat pipe in heat-conducting layer.
6. battery modules according to claim 1 or 2, it is characterised in that:The heat-conducting layer is graphene layer.
7. battery modules according to claim 1 or 2, it is characterised in that:The thermal insulation layer be phase transformation insulation material layer or
Refractory insulation.
8. a kind of temperature control frame, it is characterised in that:Including two side plates formed by liquid cooling plate being oppositely arranged, two side plates it
Between be connected with the spaced apart protective plate for heat conduction of extending direction along side plate, the protective plate and side plate are surrounded for holding
Receive the accommodating chamber of battery core, the shape of accommodating chamber and the shape adaptation of battery core, the protective plate include arranged stacked thermal insulation layer and
The cavity wall of heat-conducting layer, at least side of the accommodating chamber is formed by heat-conducting layer.
9. temperature control frame according to claim 8, it is characterised in that:The temperature control frame further includes being arranged in two side plates
End and the end plate for connecting two side plates, end plate are equipped with the protective plate close to the side of battery core.
10. temperature control frame according to claim 8 or claim 9, it is characterised in that:The protective plate is fixedly connected with liquid cooling plate.
11. temperature control frame according to claim 10, it is characterised in that:The protective plate passes through the company of welding with liquid cooling plate
It connects.
12. temperature control frame according to claim 8 or claim 9, it is characterised in that:The heat-conducting layer is metal heat-conducting layer, described
Heat pipe is embedded in metal heat-conducting layer.
13. temperature control frame according to claim 8 or claim 9, it is characterised in that:The heat-conducting layer is graphene layer.
14. temperature control frame according to claim 8 or claim 9, it is characterised in that:The thermal insulation layer be phase transformation insulation material layer or
Refractory insulation.
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CN201820361641.3U CN208014770U (en) | 2018-03-16 | 2018-03-16 | Battery modules and its temperature control frame |
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CN201820361641.3U CN208014770U (en) | 2018-03-16 | 2018-03-16 | Battery modules and its temperature control frame |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109326753A (en) * | 2018-10-31 | 2019-02-12 | 重庆金康动力新能源有限公司 | Battery modules |
CN109524588A (en) * | 2018-11-20 | 2019-03-26 | 力神动力电池系统有限公司 | A kind of modularization liquid cooling battery modules |
CN109713178A (en) * | 2018-12-04 | 2019-05-03 | 力神动力电池系统有限公司 | A kind of power battery water-cooled module |
CN110098362A (en) * | 2019-05-09 | 2019-08-06 | 合肥国轩高科动力能源有限公司 | A kind of battery modules of included liquid cooling structure |
CN110277515A (en) * | 2018-03-16 | 2019-09-24 | 郑州深澜动力科技有限公司 | A kind of battery modules and its temperature control frame |
CN111224027A (en) * | 2018-11-27 | 2020-06-02 | 郑州深澜动力科技有限公司 | Battery module and battery core mounting seat thereof |
CN111224028A (en) * | 2018-11-27 | 2020-06-02 | 郑州深澜动力科技有限公司 | Electricity core module and electricity core mount pad |
GB2623341A (en) * | 2022-10-13 | 2024-04-17 | Bae Systems Plc | A barrier for separating cells of a battery |
-
2018
- 2018-03-16 CN CN201820361641.3U patent/CN208014770U/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110277515A (en) * | 2018-03-16 | 2019-09-24 | 郑州深澜动力科技有限公司 | A kind of battery modules and its temperature control frame |
CN109326753A (en) * | 2018-10-31 | 2019-02-12 | 重庆金康动力新能源有限公司 | Battery modules |
CN109524588A (en) * | 2018-11-20 | 2019-03-26 | 力神动力电池系统有限公司 | A kind of modularization liquid cooling battery modules |
CN111224027A (en) * | 2018-11-27 | 2020-06-02 | 郑州深澜动力科技有限公司 | Battery module and battery core mounting seat thereof |
CN111224028A (en) * | 2018-11-27 | 2020-06-02 | 郑州深澜动力科技有限公司 | Electricity core module and electricity core mount pad |
CN109713178A (en) * | 2018-12-04 | 2019-05-03 | 力神动力电池系统有限公司 | A kind of power battery water-cooled module |
CN110098362A (en) * | 2019-05-09 | 2019-08-06 | 合肥国轩高科动力能源有限公司 | A kind of battery modules of included liquid cooling structure |
GB2623341A (en) * | 2022-10-13 | 2024-04-17 | Bae Systems Plc | A barrier for separating cells of a battery |
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