CN220934201U - Liquid cooling battery pack and energy storage device - Google Patents
Liquid cooling battery pack and energy storage device Download PDFInfo
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- CN220934201U CN220934201U CN202322643509.5U CN202322643509U CN220934201U CN 220934201 U CN220934201 U CN 220934201U CN 202322643509 U CN202322643509 U CN 202322643509U CN 220934201 U CN220934201 U CN 220934201U
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- 239000007788 liquid Substances 0.000 title claims abstract description 226
- 238000001816 cooling Methods 0.000 title claims abstract description 225
- 238000004146 energy storage Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The application provides a liquid cooling battery pack and an energy storage device, and relates to the technical field of energy storage batteries. This liquid cooling battery package includes: the battery cell module comprises at least two battery cell modules, a lower layer liquid cooling plate and at least one upper layer liquid cooling plate, wherein the lower layer liquid cooling plate is connected in a stacking mode, the upper layer liquid cooling plate is provided with a liquid cooling part and a supporting part connected with the liquid cooling part, the upper layer liquid cooling plate is connected with the lower layer liquid cooling plate through the supporting part, a first accommodating space for accommodating the battery cell modules is formed between the liquid cooling part and the lower layer liquid cooling plate, and at least two battery cell modules are respectively fixed on the surface of the lower layer liquid cooling plate and the surface of the upper layer liquid cooling plate deviating from the lower layer liquid cooling plate. This liquid cooling battery package is installed electric core module through setting up two deck at least liquid cooling boards, has improved group efficiency, simultaneously, and electric core module is direct to be fixed on the liquid cooling board, can simplify the structure of liquid cooling battery package, reduce cost, improvement production efficiency and radiating efficiency. The cell modules of different layers are provided with independent liquid cooling plates, so that the cooling effect of the liquid cooling battery pack is ensured.
Description
Technical Field
The application relates to the technical field of energy storage batteries, in particular to a liquid cooling battery pack and an energy storage device.
Background
The liquid cooling battery pack is one of the battery packs widely used in the current energy storage industry, has stable structure, mature process and relatively low cost, and is generally assembled with a battery cluster, a high-voltage box and the like to form a whole.
In the prior art, in order to make the volume utilization ratio of liquid cooling battery package higher, reach a higher efficiency of making a group, generally adopt the structural style of upper and lower double-deck electric core module, upper cell core module and lower floor's electric core module structure are the same, have its liquid cooling board that corresponds respectively, and the both sides that the liquid cooling board is relative set up backup pad and lower backup pad respectively, and electric core module is fixed on last backup pad. However, the existing liquid cooling battery pack with a double-layer battery module has the disadvantages of complex structure for fixing the battery module and low heat dissipation efficiency.
Disclosure of utility model
The application aims to overcome the defects in the prior art and provide a liquid cooling battery pack and an energy storage device, which have simple structure and higher heat dissipation efficiency.
In order to achieve the above purpose, the technical scheme adopted by the embodiment of the application is as follows:
In one aspect of an embodiment of the present application, there is provided a liquid-cooled battery pack, including: the battery cell module comprises at least two battery cell modules, a lower layer liquid cooling plate and at least one upper layer liquid cooling plate, wherein the lower layer liquid cooling plate is connected in a stacking mode, the upper layer liquid cooling plate is provided with a liquid cooling part and a supporting part connected with the liquid cooling part, the upper layer liquid cooling plate is connected with the lower layer liquid cooling plate through the supporting part, a first accommodating space for accommodating the battery cell modules is formed between the liquid cooling part and the lower layer liquid cooling plate, and at least two battery cell modules are respectively fixed on the surface of the lower layer liquid cooling plate and the surface of the upper layer liquid cooling plate deviating from the lower layer liquid cooling plate.
Optionally, the two supporting parts are respectively connected with two edges of the liquid cooling part opposite to each other and are perpendicular to the liquid cooling part, and the liquid cooling part is parallel to the lower liquid cooling plate.
Optionally, the supporting part includes first supporting part and second supporting part, and the one end and the liquid cooling portion of first supporting part are connected, and the other end is connected with second supporting part, and first supporting part perpendicular to liquid cooling portion, second supporting part are on a parallel with liquid cooling portion and laminate with lower floor's liquid cooling plate.
Optionally, the second supporting part is connected with the lower floor's liquid cooling board through the connecting piece, sets up a plurality of first connecting holes along length direction interval on the second supporting part, is equipped with a plurality of second connecting holes with first connecting hole one-to-one on the lower floor's liquid cooling board, and the connecting piece passes first connecting hole and second connecting hole respectively and fixes.
Optionally, a boss is arranged at the edge of the upper layer liquid cooling plate and/or the lower layer liquid cooling plate, and the boss is used for limiting the cell module.
Optionally, a heat conducting glue layer is arranged between the battery cell module and the upper layer liquid cooling plate and/or between the battery cell module and the lower layer liquid cooling plate.
Optionally, the liquid cooling battery pack further comprises a case cover, the case cover is buckled on the upper layer liquid cooling plate and the lower layer liquid cooling plate and is connected with the lower layer liquid cooling plate, and a second accommodating space for accommodating the battery cell module is formed between the case cover and the upper layer liquid cooling plate.
Optionally, the lower liquid cooling plate and/or the liquid cooling part is provided with a liquid flow channel, a water inlet pipe and a water outlet pipe which are respectively communicated with the liquid flow channel, the water inlet pipe and/or the water outlet pipe comprises a first circulation part and a second circulation part, the end part of the first circulation part is connected with the liquid flow channel, the box cover is provided with a mounting hole corresponding to the first circulation part, and the second circulation part is detachably connected with the end part of the first circulation part far away from the liquid flow channel after passing through the mounting hole.
Optionally, a sealing gasket is arranged between the connecting areas of the box cover and the lower liquid cooling plate.
In another aspect of an embodiment of the present application, there is provided an energy storage device comprising a liquid cooled battery pack as claimed in any one of the preceding claims.
The beneficial effects of the application include:
The application provides a liquid cooling battery pack, which comprises: the battery cell module comprises at least two battery cell modules, a lower layer liquid cooling plate and at least one upper layer liquid cooling plate, wherein the lower layer liquid cooling plate is connected in a stacking mode, the upper layer liquid cooling plate is provided with a liquid cooling part and a supporting part connected with the liquid cooling part, the upper layer liquid cooling plate is connected with the lower layer liquid cooling plate through the supporting part, a first accommodating space for accommodating the battery cell modules is formed between the liquid cooling part and the lower layer liquid cooling plate, and at least two battery cell modules are respectively fixed on the surface of the lower layer liquid cooling plate and the surface of the upper layer liquid cooling plate deviating from the lower layer liquid cooling plate. This liquid cooling battery package is installed electric core module through setting up two deck at least liquid cooling boards, has improved group efficiency, simultaneously, and electric core module is direct to be fixed on the liquid cooling board, can simplify the structure of liquid cooling battery package, reduce cost, improvement production efficiency and radiating efficiency. The cell modules of different layers are provided with independent liquid cooling plates, so that the cooling effect of the liquid cooling battery pack is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a liquid-cooled battery pack according to an embodiment of the present application;
Fig. 2 is a schematic connection diagram of an upper liquid cooling plate and a lower liquid cooling plate in a liquid cooling battery pack according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an upper liquid cooling plate in a liquid cooling battery pack according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a lower layer liquid cooling plate in a liquid cooling battery pack according to an embodiment of the present application;
Fig. 5 is a second schematic structural diagram of a liquid-cooled battery pack according to an embodiment of the present application.
Icon: 100-liquid cooling battery pack; 110-a cell module; 120-a lower liquid cooling plate; 121-a second connection hole; 130-an upper liquid cooling plate; 131-a liquid cooling part; 132-a support; 1321-a first support; 1322-a second support; 1322 a-first connecting holes; 140-a first accommodation space; 150-boss; 160-case cover; 170-a water inlet pipe; 180-a water outlet pipe; 191-a first flow-through section; 192-a second flow-through section.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. It should be noted that, under the condition of no conflict, the features of the embodiments of the present application may be combined with each other, and the combined embodiments still fall within the protection scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "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; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The liquid cooling battery package is one of the battery package types that energy storage trade used extensively at present, and current liquid cooling battery package is in order to improve volume utilization, adopts the structural style of upper and lower double-deck electric core module generally, and upper cell core module and lower floor's electric core module structure are the same, have its liquid cooling board that corresponds respectively, and the both sides that the liquid cooling board is relative set up backup pad and lower backup pad respectively, and electric core module is fixed on the backup pad. However, the structure of the existing liquid cooling battery pack fixing battery module is complex, and the heat dissipation efficiency is low.
In order to solve the above-mentioned technical problem, according to an aspect of the embodiments of the present application, referring to fig. 1 and 2, there is provided a liquid-cooled battery pack 100, including: the battery cell module comprises at least two battery cell modules 110, a lower liquid cooling plate 120 and at least one upper liquid cooling plate 130 which are stacked in sequence, wherein the at least two battery cell modules 110 are respectively fixed on the lower liquid cooling plate 120 and the at least one upper liquid cooling plate 130, and the lower liquid cooling plate 120 and/or the upper liquid cooling plate 130 can simultaneously fix a plurality of battery cell modules 110. The number of the upper liquid cooling plates 130 may be one, two or more, and when the number of the upper liquid cooling plates 130 is two or more, the two or more upper liquid cooling plates 130 are stacked in sequence, and the upper liquid cooling plate 130 located at the bottommost portion is connected with the lower liquid cooling plate 120. The cell modules 110 of different layers can be electrically connected through copper bars, and the cell modules 110 of the same layer can also be electrically connected through copper bars. Illustratively, the number of the lower liquid cooling plate 120 and the upper liquid cooling plate 130 is one, the upper liquid cooling plate 130 is fixed above the lower liquid cooling plate 120, half of the electric core modules 110 are fixed on the lower liquid cooling plate 120, and the other half of the electric core modules 110 are fixed on the upper liquid cooling plate 130.
The upper liquid cooling plate 130 has a liquid cooling portion 131 and a supporting portion 132 connected to the liquid cooling portion 131, the upper liquid cooling plate 130 is connected to the lower liquid cooling plate 120 through the supporting portion 132, and meanwhile, the supporting portion 132 also makes a certain distance between the liquid cooling portion 131 of the upper liquid cooling plate 130 and the surface of the lower liquid cooling plate 120, so that a first accommodating space 140 for accommodating the battery cell modules 110 is formed between the liquid cooling portion 131 and the lower liquid cooling plate 120, and at least two battery cell modules 110 are respectively fixed on the surface of the lower liquid cooling plate 120 and the surface of the upper liquid cooling plate 130 facing away from the lower liquid cooling plate 120. The cell module 110 is directly fixed on the surfaces of the upper liquid cooling plate 130 and the lower liquid cooling plate 120, so that the structure of the liquid cooling battery pack 100 can be simplified, and meanwhile, the cell module is directly contacted with the upper liquid cooling plate 130 or the lower liquid cooling plate 120, so that the heat dissipation efficiency of the liquid cooling battery pack 100 can be improved.
Above-mentioned liquid cooling battery package 100 is through setting up at least two-layer liquid cooling board and is installed electric core module 110, has improved group efficiency, simultaneously, electric core module 110 is directly fixed on the liquid cooling board, can simplify the structure of liquid cooling battery package 100, reduce cost improves production efficiency and radiating efficiency. The battery cell modules 110 of different layers have independent liquid cooling plates, so that the cooling effect of the liquid cooling battery pack 100 is further ensured.
Alternatively, referring to fig. 2 and 3, the supporting portions 132 include two supporting portions 132, and the two supporting portions 132 are respectively connected to two edges of the liquid cooling portion 131 opposite to each other and perpendicular to the liquid cooling portion 131, so that the upper liquid cooling plate 130 has a gate shape. After the upper liquid cooling plate 130 is connected to the lower liquid cooling plate 120, the first accommodating space 140 is naturally formed. The liquid cooling portion 131 is parallel to the lower liquid cooling plate 120, so that the volume utilization rate of the liquid cooling battery pack 100 and the stability of mounting the battery cell module 110 can be improved.
In order to facilitate connection between the upper liquid-cooling plate 130 and the lower liquid-cooling plate 120, the supporting portion 132 may optionally include a first supporting portion 1321 and a second supporting portion 1322, one end of the first supporting portion 1321 is connected to the liquid-cooling portion 131, the other end is connected to the second supporting portion 1322, the first supporting portion 1321 is perpendicular to the liquid-cooling portion 131, and the second supporting portion 1322 is parallel to the liquid-cooling portion 131 and is attached to the lower liquid-cooling plate 120. The upper liquid cooling plate 130 is connected with the lower liquid cooling plate 120 through the second supporting part 1322, and after the second supporting part 1322 is attached to the lower liquid cooling plate 120, the two parts can be fixedly connected through a connecting piece, welding, clamping and other modes. Preferably, the second supporting portion 1322 is located outside the first supporting portion 1321, so as to improve the utilization rate of the first accommodating space 140 and facilitate the connection between the second supporting portion 1322 and the lower liquid cooling plate 120.
Optionally, referring to fig. 4 in combination, the second supporting portion 1322 is connected to the lower liquid cooling plate 120 through a connecting piece, where the connecting piece may be a bolt, a pin, or the like; the second support portion 1322 is provided with a plurality of first connection holes 1322a along a length direction at intervals, the lower liquid cooling plate 120 is provided with a plurality of second connection holes 121 corresponding to the first connection holes 1322a one by one, and the connecting pieces respectively pass through the first connection holes 1322a and the second connection holes 121 and are fixed. The upper liquid cooling plate 130 and the lower liquid cooling plate 120 are detachably connected through a connecting piece, so that the maintenance of the liquid cooling battery pack 100 is facilitated.
The mode that the electric core module 110 is fixed on upper liquid cooling plate 130 or lower liquid cooling plate 120 can have multiple, and optionally, the edge of upper liquid cooling plate 130 and/or lower liquid cooling plate 120 is equipped with boss 150, and the upper surface of boss 150 is higher than the upper surface of its place liquid cooling plate to can shelter from the electric core module 110 that sets up on its place liquid cooling plate, realize spacing to electric core module 110, prevent simultaneously that electric core module 110 from dropping, the mode of fixing electric core module 110 through boss 150 is simple and the operation of being convenient for. It can be appreciated that, when the battery cell module 110 is installed, the side wall of the battery cell module 110 located at the edge position should abut against the side wall of the boss 150, so as to realize the limiting function of the boss 150.
Illustratively, the edges of the upper liquid cooling plate 130 and the lower liquid cooling plate 120 are provided with bosses 150, and the bosses 150 cover all edges of the upper liquid cooling plate 130 and the lower liquid cooling plate 120 to limit the cell module 110 in the horizontal direction and prevent the cell module 110 from falling.
Illustratively, the boss 150 is a rectangular steel tube welded at the edge of the upper liquid-cooling plate 130 or the lower liquid-cooling plate 120. Or the boss 150 is a baffle plate welded at the edge of the upper liquid cooling plate 130 or the lower liquid cooling plate 120 and perpendicular to the upper surface of the upper liquid cooling plate 130 or the lower liquid cooling plate 120.
Illustratively, the second connection hole 121 is located on the boss 150 at the edge of the lower liquid cooling plate 120 to avoid occupying the installation space of the battery module 110 on the lower liquid cooling plate 120.
The battery cell module 110 may also be fixed on the upper liquid cooling plate 130 or the lower liquid cooling plate 120 by means of gluing, specifically, a heat conducting glue layer is disposed between the battery cell module 110 and the upper liquid cooling plate 130 and/or between the battery cell module 110 and the lower liquid cooling plate 120. The bottom of the battery cell module 110 is adhered to the upper liquid cooling plate 130 or the lower liquid cooling plate 120 through heat-conducting glue, so that the battery cell module 110 can be prevented from falling off. Meanwhile, glue capable of conducting heat is selected, so that the influence on heat dissipation of the cell module 110 can be avoided. The cell module 110 is fixed by the heat-conducting adhesive, and the operation is simple and convenient. The heat conductive glue can be used in combination with the boss 150 to fix the cell module 110 together, so as to further improve the stability of the installation of the cell module 110.
In order to protect the internal structure of the liquid-cooled battery pack 100 and improve the structural integrity of the liquid-cooled battery pack 100, optionally, referring to fig. 1 and 5, the liquid-cooled battery pack 100 further includes a case cover 160, where the case cover 160 is fastened to the upper liquid-cooled plate 130 and the lower liquid-cooled plate 120 and is connected to the lower liquid-cooled plate 120, and a second accommodating space for accommodating the battery module 110 is formed between the case cover 160 and the upper liquid-cooled plate 130. After the installation of the battery cell module 110 and the upper liquid cooling plate 130 is completed, a case cover 160 is covered on the battery cell module and the upper liquid cooling plate 130 and is fixedly connected with the lower liquid cooling plate 120.
Optionally, a gasket is disposed between the region where the case cover 160 and the lower liquid cooling plate 120 are connected to each other, and the gasket can improve the sealability of the liquid cooling battery pack 100. And for sealing problems which occur locally, sealing can be performed by using sealant.
The liquid cooling plate needs to circulate cooling liquid to realize continuous heat dissipation of the cell module 110, and optionally, a liquid flow channel, a water inlet pipe 170 and a water outlet pipe 180 which are respectively communicated with the liquid flow channel are arranged on the lower liquid cooling plate 120 and/or the liquid cooling part 131; the water inlet pipe 170 and/or the water outlet pipe 180 comprises a first flowing portion 191 and a second flowing portion 192, wherein the end portion of the first flowing portion 191 is connected with the liquid flow channel, a mounting hole corresponding to the first flowing portion 191 is formed in the box cover 160, and the second flowing portion 192 penetrates through the mounting hole and then is detachably connected with the end portion, far away from the liquid flow channel, of the first flowing portion 191. In this way, it is ensured that the water inlet pipe 170 or the water outlet pipe 180 can extend out of the case cover 160 without interfering with the installation of the case cover 160.
Illustratively, the liquid flow channel is located inside the lower liquid cooling plate 120 or the liquid cooling portion 131, the water inlet pipe 170 and the water outlet pipe 180 are located at edges of the lower liquid cooling plate 120, respectively, or the water inlet pipe 170 and the water outlet pipe 180 are located at edges of the liquid cooling portion 131, respectively.
Illustratively, the second flow portion 192 is perpendicular to the first flow portion 191 to reduce the footprint of the liquid-cooled battery pack 100.
Illustratively, the first flow portion 191 is welded to the lower liquid cooling plate 120 or the liquid cooling portion 131, and the second flow portion 192 is bolted to the first flow portion 191.
The present embodiment also provides an energy storage device, including the liquid-cooled battery pack 100 according to any one of the above.
The energy storage device includes the same structure and benefits as the liquid cooled battery pack 100 of the previous embodiments. The structure and the advantages of the liquid-cooled battery pack 100 are described in detail in the foregoing embodiments, and are not described in detail herein.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A liquid-cooled battery pack, comprising: the battery cell module comprises at least two battery cell modules, a lower layer liquid cooling plate and at least one upper layer liquid cooling plate which are stacked in sequence, wherein the upper layer liquid cooling plate is provided with a liquid cooling part and a supporting part connected with the liquid cooling part, the upper layer liquid cooling plate is connected with the lower layer liquid cooling plate through the supporting part, a first accommodating space for accommodating the battery cell modules is formed between the liquid cooling part and the lower layer liquid cooling plate, and at least two battery cell modules are respectively fixed on the surface of the lower layer liquid cooling plate and the surface of the upper layer liquid cooling plate deviating from the lower layer liquid cooling plate.
2. The liquid-cooled battery pack of claim 1, wherein the support portion comprises two, two of the support portions are respectively connected to two edges of the liquid-cooled portion opposite to each other and perpendicular to the liquid-cooled portion, and the liquid-cooled portion is parallel to the lower liquid-cooled plate.
3. The liquid-cooled battery pack according to claim 2, wherein the support portion comprises a first support portion and a second support portion, one end of the first support portion is connected to the liquid-cooled portion, the other end is connected to the second support portion, the first support portion is perpendicular to the liquid-cooled portion, and the second support portion is parallel to the liquid-cooled portion and is attached to the lower liquid-cooled plate.
4. The liquid-cooled battery pack according to claim 3, wherein the second support portion is connected to the lower liquid-cooled plate through a connecting member, a plurality of first connecting holes are formed in the second support portion at intervals along the length direction, a plurality of second connecting holes corresponding to the first connecting holes one by one are formed in the lower liquid-cooled plate, and the connecting member penetrates through and is fixed to the first connecting holes and the second connecting holes respectively.
5. The liquid-cooled battery pack of claim 1, wherein a boss is arranged at the edge of the upper liquid-cooled plate and/or the lower liquid-cooled plate, and the boss is used for limiting the battery cell module.
6. The liquid-cooled battery pack of claim 1, wherein a heat-conducting glue layer is arranged between the battery cell module and the upper liquid-cooled plate and/or between the battery cell module and the lower liquid-cooled plate.
7. The liquid-cooled battery pack of claim 1, further comprising a case cover, wherein the case cover is fastened to the upper liquid-cooling plate and the lower liquid-cooling plate and is connected to the lower liquid-cooling plate, and a second accommodating space for accommodating the battery cell module is formed between the case cover and the upper liquid-cooling plate.
8. The liquid-cooled battery pack according to claim 7, wherein the lower liquid cooling plate and/or the liquid cooling part is provided with a liquid flow channel, a water inlet pipe and a water outlet pipe which are respectively communicated with the liquid flow channel, the water inlet pipe and/or the water outlet pipe comprises a first flow-through part and a second flow-through part, the end part of the first flow-through part is connected with the liquid flow channel, the case cover is provided with a mounting hole corresponding to the first flow-through part, and the second flow-through part is detachably connected with the end part of the first flow-through part, which is far away from the liquid flow channel, after passing through the mounting hole.
9. The liquid-cooled battery pack of claim 7, wherein a gasket is provided between the tank cover and the region where the lower liquid-cooled plate is connected to each other.
10. An energy storage device comprising a liquid cooled battery pack according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322643509.5U CN220934201U (en) | 2023-09-27 | 2023-09-27 | Liquid cooling battery pack and energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322643509.5U CN220934201U (en) | 2023-09-27 | 2023-09-27 | Liquid cooling battery pack and energy storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220934201U true CN220934201U (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322643509.5U Active CN220934201U (en) | 2023-09-27 | 2023-09-27 | Liquid cooling battery pack and energy storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220934201U (en) |
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2023
- 2023-09-27 CN CN202322643509.5U patent/CN220934201U/en active Active
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