CN214957143U - Liquid cooling plate structure for limiting expansion of battery cell - Google Patents
Liquid cooling plate structure for limiting expansion of battery cell Download PDFInfo
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- CN214957143U CN214957143U CN202121247453.6U CN202121247453U CN214957143U CN 214957143 U CN214957143 U CN 214957143U CN 202121247453 U CN202121247453 U CN 202121247453U CN 214957143 U CN214957143 U CN 214957143U
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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
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- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a liquid cooling plate structure for limiting the expansion of an electric core, which comprises a liquid cooling upper plate and a liquid cooling lower plate, wherein the surface of the liquid cooling lower plate is provided with a flow passage, the flow passage is used for the flow of cooling liquid, the liquid cooling upper plate is fixedly connected with the liquid cooling lower plate to realize the sealing of the flow passage, the middle part of the liquid cooling upper plate is provided with a cooling liquid inlet and a cooling liquid outlet, the cooling liquid inlet and the cooling liquid outlet are respectively communicated with the flow passage to realize the circulation of the cooling liquid; the first end of the liquid cooling upper plate and the first end of the liquid cooling lower plate form a limiting assembly used for limiting the module, and the second end of the liquid cooling upper plate and the second end of the liquid cooling lower plate form a limiting assembly used for limiting the module. The utility model discloses exert certain restrictive force to electric core module, the inflation that can effectual reduction electric core reduces the inside short circuit risk of electric core, can increase the cycle life of electric core simultaneously.
Description
Technical Field
The utility model belongs to the battery field especially relates to a restriction electric core expanded liquid cooling plate structure.
Background
The soft package battery core is a common form of the current automobile power battery. The power battery is generally divided into three grades of battery cells, modules and systems according to the composition form of the power battery, the battery cells in a certain number are combined into the modules through other metal and nonmetal structural components, and the modules in a plurality of numbers are assembled into the system. After the module is assembled to electric core, the metal and the non-metallic structure spare that are used for assembling electric core can play fixed, protection, series-parallel connection, insulating etc. effect to electric core, and the battery is after carrying out charge-discharge, and the thickness of electric core can increase, and the shell of module has certain constraint effect to the inflation of electric core, can exert the constraint force to the inflation of electric core. And a certain constraint force is applied to the battery cell, so that the cycle life of the battery cell is prolonged.
Generally, a soft-packaged battery cell module shell can be designed into an inverted U shape or a square shape, for the shell of the square shape, the expansion of a battery cell can be limited, due to the structural characteristics of the square shape, the process of the battery cell entering the shell has certain difficulty in process realization, for reducing the difficulty of the battery cell entering the shell, the module can adopt the inverted U-shaped shell, but for the inverted U-shaped shell, the expansion of the battery cell at the top position of the module can only be limited, and for the battery cell at the bottom position of the module, the inverted U-shaped shell cannot play a role in limiting the expansion of the battery cell;
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a restriction electric core inflation's liquid cooling plate structure, through weld spacing structure on the liquid cooling plate, realizes restricting the inflation of electric core in module bottom position. To the module of arranging in parallel, the module at both ends relies on limit structure on the liquid cooling board to restrict the inflation of electric core, and to the module of intermediate position, add elasticity bubble cotton between module and module, can restrict the inflation of electric core, the bubble is cotton flexible, can apply certain elastic force to electric core.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a liquid cooling plate structure for limiting the expansion of a battery cell comprises a liquid cooling upper plate and a liquid cooling lower plate, wherein a flow channel is arranged on the surface of the liquid cooling lower plate and used for flowing of cooling liquid, the liquid cooling upper plate and the liquid cooling lower plate are fixedly connected to realize the sealing of the flow channel, a cooling liquid inlet and a cooling liquid outlet are arranged in the middle of the liquid cooling upper plate, and the cooling liquid inlet and the cooling liquid outlet are respectively communicated with the flow channel to realize the circulation of the cooling liquid; the first end of the liquid cooling upper plate and the first end of the liquid cooling lower plate form a limiting assembly used for limiting the module, and the second end of the liquid cooling upper plate and the second end of the liquid cooling lower plate form a limiting assembly used for limiting the module.
Further, the both ends of liquid cooling upper plate are upwards folded respectively, form spacing curb plate and two spacing curb plates, and the both ends of liquid cooling hypoplastron are equipped with a plurality of set-squares respectively, and the set-square fixed connection at spacing curb plate and two spacing curb plates and both ends realizes supporting spacing curb plate and two spacing curb plates and strengthens, and a plurality of set-squares of the first end of spacing curb plate and liquid cooling hypoplastron form spacing one subassembly, and a plurality of set-squares of spacing two curb plates and liquid cooling hypoplastron second end form spacing two subassemblies.
Furthermore, the number of the triangular plates at the first end of the liquid cooling lower plate is the same as that of the triangular plates at the second end of the liquid cooling lower plate, and the number of the triangular plates is 5-8.
Furthermore, a middle limiting plate is arranged in the middle of the upper surface of the liquid-cooled upper plate, the cross section of the middle limiting plate is U-shaped, and a first limiting area is formed by the first side of the middle limiting plate and a limiting side plate of the liquid-cooled upper plate; and the second side of the middle limiting plate and the two limiting side plates of the liquid cooling upper plate form a two limiting area.
Furthermore, the first limit area and the second limit area are respectively used for placing the modules and used for expanding and limiting the modules.
Furthermore, the modules are respectively arranged in the first limiting area and the second limiting area, heat conducting pads are respectively arranged between the modules and the first limiting area and between the modules and the second limiting area, and the number of the heat conducting pads corresponds to the number of the modules one by one; the bottom of the liquid cooling lower plate is provided with supporting foam.
Further, the placing direction of the battery cell in the module is parallel to the middle limiting plate, the flow channel is uniformly distributed in the liquid cooling lower plate in an S shape, and the setting direction of the flow channel is perpendicular to the middle limiting plate.
Further, liquid cooling hypoplastron edge is equipped with a plurality of fixed orificess, the fixed orifices is used for carrying out fixed connection with liquid cooling hypoplastron and module through the bolt.
Furthermore, the ratio of the height of the limiting side plate to the height of the module is 1: 6; the ratio of the distance from the edge of the liquid-cooled lower plate at the same end to the edge of the liquid-cooled upper plate to the height of the limiting side plate is 3: 4.
Furthermore, a plurality of modules are arranged in the first limiting area and the second limiting area, and elastic foam is arranged between the modules.
Compared with the prior art, a restriction electric core expanded liquid cooling plate structure have following advantage:
(1) the utility model adopts the inverted U-shaped shell, which can reduce the difficulty of the cell entering the shell; the problem of to the shell of "mouth" style of calligraphy, the electric core goes into shell technology to realize the degree of difficulty great is solved.
(2) The utility model discloses after liquid cooling board welding limit structure, play certain additional strengthening to the intensity of liquid cooling board self.
(3) The utility model discloses arrange the module to the back in the system, arrange and place the elasticity bubble cotton between the module of system intermediate position and module, rely on the cotton elastic support power of bubble, restrict the inflation of electric core, can exert different about power for electric core through the cotton soft or hard degree of adjustment bubble.
(4) The flow channel direction of the liquid cooling plate is designed to be perpendicular to the length direction of the battery cells, so that the areas of the flow channels under the battery cells are basically consistent, and the control of the temperature difference among the battery cells is facilitated.
(5) The temperature of the cooling liquid close to the inlet in the liquid cooling plate is lower, the temperature of the cooling liquid close to the outlet is higher, and the flow channel is designed to be in a high-temperature and low-temperature form close to staggered distribution, so that the temperature distribution of the whole liquid cooling plate is more uniform.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic diagram of a liquid cooling plate structure for limiting expansion of a battery cell according to an embodiment of the present invention;
fig. 2 is a schematic view of a liquid-cooled upper plate according to an embodiment of the present invention;
fig. 3 is a schematic view of a liquid-cooled lower plate according to an embodiment of the present invention;
fig. 4 is an explosion diagram of the liquid cooling plate structure applied with the module according to the embodiment of the present invention.
Description of reference numerals:
1. liquid cooling the upper plate; 11. a limiting side plate; 12. a second limiting side plate; 13. limiting a first area; 14. a second limiting area; 2. cooling the lower plate by liquid; 21. a set square; 3. a flow channel; 4. a coolant inlet; 5. a coolant outlet; 6. a middle limiting plate; 7. a thermally conductive pad; 8. supporting foam; 9. the elastic foam is made of cotton.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A liquid cooling plate structure for limiting battery cell expansion is shown in figures 1 to 4 and comprises a liquid cooling upper plate 1 and a liquid cooling lower plate 2, wherein a flow channel 3 is arranged on the surface of the liquid cooling lower plate 2, the flow channel 3 is used for flowing cooling liquid, the liquid cooling upper plate 1 is fixedly connected with the liquid cooling lower plate 2 to realize sealing of the flow channel 3, a cooling liquid inlet 4 and a cooling liquid outlet 5 are arranged in the middle of the liquid cooling upper plate 1, and the cooling liquid inlet 4 and the cooling liquid outlet 5 are respectively communicated with the flow channel 3 to realize circulation of the cooling liquid; the first end of the liquid cooling upper plate 1 and the first end of the liquid cooling lower plate 2 form a limiting assembly used for limiting the module, and the second end of the liquid cooling upper plate 1 and the second end of the liquid cooling lower plate 2 form a limiting assembly used for limiting the module.
The both ends of liquid cooling upper plate 1 are upwards folded respectively, form spacing curb plate 11 and spacing two curb plates 12, the both ends of liquid cooling hypoplastron 2 are equipped with a plurality of set squares 21 respectively, spacing curb plate 11 and spacing two curb plates 12 and the set squares 21 fixed connection at both ends, the realization is supported spacing curb plate 11 and spacing two curb plates 12 and is strengthened, a plurality of set squares 21 of spacing curb plate 11 and the first end of liquid cooling hypoplastron 2 form spacing one subassembly, a plurality of set squares 21 of spacing two curb plates 12 and the second end of liquid cooling hypoplastron 2 form spacing two subassemblies.
The number of the first end triangular plates 21 of the liquid cooling lower plate 2 is the same as that of the second end triangular plates 21 of the liquid cooling lower plate 2, and the number of the first end triangular plates 21 and the second end triangular plates 21 is 5-8.
A middle limiting plate 6 is arranged in the middle of the upper surface of the liquid-cooled upper plate 1, the cross section of the middle limiting plate 6 is U-shaped, and a first limiting side plate 13 is formed by a first side of the middle limiting plate 6 and a limiting side plate 11 of the liquid-cooled upper plate 1; the second side of the middle limiting plate 6 and the two limiting side plates 12 of the liquid cooling upper plate 1 form a two limiting area 14.
The first limit area 13 and the second limit area 14 are respectively used for limiting the expansion of the module.
The modules are respectively arranged in the first limiting area 13 and the second limiting area 14, heat conducting pads 7 are respectively arranged between the modules and the first limiting area 13 and between the modules and the second limiting area 14, and the number of the heat conducting pads 7 corresponds to the number of the modules one by one; the bottom of the liquid cooling lower plate 2 is provided with supporting foam 8.
The direction of putting of electric core is parallel to each other with middle part limiting plate 6 in the module, and runner 3 is S form evenly distributed in liquid cooling hypoplastron 2, and runner 3 set up the direction and middle part limiting plate 6 mutually perpendicular to realize that the area of runner 3 is unanimous basically under each electric core, be favorable to controlling the difference in temperature between each electric core.
The temperature of the cooling liquid close to the inlet in the liquid cooling plate is lower, the temperature of the cooling liquid close to the outlet is higher, and the flow channel 3 is designed to be in a high-temperature and low-temperature form close to staggered distribution, so that the temperature distribution of the whole liquid cooling plate is more uniform.
The edge of the liquid cooling lower plate 2 is provided with a plurality of fixing holes, and the fixing holes are used for fixedly connecting the liquid cooling lower plate 2 with the module through bolts.
The ratio of the height of the limiting side plate 11 to the height of the module is 1: 6; the ratio of the distance from the edge of the liquid-cooled lower plate 2 at the same end to the edge of the liquid-cooled upper plate 1 to the height of the limit side plate 11 is 3: 4.
All be equipped with a plurality of modules and make up into the system in the first spacing district 13 and the two spacing districts 14, be equipped with the cotton 9 of elasticity bubble between module and the module, arrange the module to the back in the system, arrange and place the cotton 9 of elasticity bubble between the module of system intermediate position and module, rely on the cotton elastic support power of bubble, restrict the inflation of electric core, can exert different restraint power for electric core through the cotton soft or hard degree of adjustment bubble. The module comprises the type of falling U shell and the electric core that sets up in the type of falling U shell inside. The utility model adopts the inverted U-shaped shell, which can reduce the difficulty of the cell entering the shell; the problem of to the shell of "mouth" style of calligraphy, the electric core goes into shell technology to realize the degree of difficulty great is solved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a restriction electric core expanded liquid cooling plate structure which characterized in that: the liquid cooling device comprises a liquid cooling upper plate and a liquid cooling lower plate, wherein a flow passage is formed in the surface of the liquid cooling lower plate and used for flowing of cooling liquid, the liquid cooling upper plate and the liquid cooling lower plate are fixedly connected to realize sealing of the flow passage, a cooling liquid inlet and a cooling liquid outlet are formed in the middle of the liquid cooling upper plate, and the cooling liquid inlet and the cooling liquid outlet are respectively communicated with the flow passage to realize circulation of the cooling liquid; the first end of the liquid cooling upper plate and the first end of the liquid cooling lower plate form a limiting assembly used for limiting the module, and the second end of the liquid cooling upper plate and the second end of the liquid cooling lower plate form a limiting assembly used for limiting the module.
2. The liquid cooling plate structure for limiting cell expansion of claim 1, wherein: the both ends of liquid cooling upper plate are upwards folded respectively, form spacing curb plate and two spacing curb plates, and the both ends of liquid cooling hypoplastron are equipped with a plurality of set-squares respectively, and the set-square fixed connection at spacing curb plate and two spacing curb plates and both ends realizes supporting spacing curb plate and two spacing curb plates and strengthens, and a plurality of set-squares of the first end of spacing curb plate and liquid cooling hypoplastron form spacing one subassembly, and a plurality of set-squares of spacing two curb plates and liquid cooling hypoplastron second end form spacing two subassemblies.
3. The liquid cooling plate structure for limiting cell expansion according to claim 2, wherein: the number of the liquid cooling lower plate first end triangular plates is 5-8, and the number of the liquid cooling lower plate second end triangular plates is the same.
4. The liquid cooling plate structure for limiting cell expansion according to claim 2, wherein: a middle limiting plate is arranged in the middle of the upper surface of the liquid-cooling upper plate, the cross section of the middle limiting plate is U-shaped, and a first limiting area is formed by the first side of the middle limiting plate and a limiting side plate of the liquid-cooling upper plate; and the second side of the middle limiting plate and the two limiting side plates of the liquid cooling upper plate form a two limiting area.
5. The liquid cooling plate structure for limiting cell expansion according to claim 4, wherein: the first limit area and the second limit area are respectively used for expanding and limiting the module.
6. The liquid cooling plate structure for limiting cell expansion according to claim 4, wherein: the modules are respectively arranged in the first limiting area and the second limiting area, heat conducting pads are respectively arranged between the modules and the first limiting area and between the modules and the second limiting area, and the number of the heat conducting pads corresponds to the number of the modules one by one; the bottom of the liquid cooling lower plate is provided with supporting foam.
7. The liquid cooling plate structure for limiting cell expansion of claim 1, wherein: the placing direction of the battery cell in the module is parallel to the middle limiting plate, the flow channels are evenly distributed in the liquid cooling lower plate in an S shape, and the setting direction of the flow channels is perpendicular to the middle limiting plate.
8. The liquid cooling plate structure for limiting cell expansion of claim 1, wherein: the edge of the liquid cooling lower plate is provided with a plurality of fixing holes, and the fixing holes are used for fixedly connecting the liquid cooling lower plate with the module through bolts.
9. The liquid cooling plate structure for limiting cell expansion according to claim 2, wherein: the ratio of the height of the limiting side plate to the height of the module is 1: 6; the ratio of the distance from the edge of the liquid-cooled lower plate at the same end to the edge of the liquid-cooled upper plate to the height of the limiting side plate is 3: 4.
10. The liquid cooling plate structure for limiting cell expansion of claim 6, wherein: all be equipped with a plurality of modules and make up into the system in spacing one district and spacing two districts, be equipped with the elasticity bubble cotton between module and the module, the module comprises the type of falling U shell and the electric core of setting in the type of falling U shell inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121247453.6U CN214957143U (en) | 2021-06-04 | 2021-06-04 | Liquid cooling plate structure for limiting expansion of battery cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121247453.6U CN214957143U (en) | 2021-06-04 | 2021-06-04 | Liquid cooling plate structure for limiting expansion of battery cell |
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| CN214957143U true CN214957143U (en) | 2021-11-30 |
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| CN202121247453.6U Active CN214957143U (en) | 2021-06-04 | 2021-06-04 | Liquid cooling plate structure for limiting expansion of battery cell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725574A (en) * | 2022-06-09 | 2022-07-08 | 宜宾职业技术学院 | Cooling assembly for power battery and power battery module safety device |
| CN117013176A (en) * | 2023-08-15 | 2023-11-07 | 宁夏宝丰昱能科技有限公司 | Battery cell rack |
-
2021
- 2021-06-04 CN CN202121247453.6U patent/CN214957143U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725574A (en) * | 2022-06-09 | 2022-07-08 | 宜宾职业技术学院 | Cooling assembly for power battery and power battery module safety device |
| CN117013176A (en) * | 2023-08-15 | 2023-11-07 | 宁夏宝丰昱能科技有限公司 | Battery cell rack |
| CN117013176B (en) * | 2023-08-15 | 2024-04-26 | 宁夏宝丰昱能科技有限公司 | Battery cell rack |
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