CN219106271U

CN219106271U - Module assembly and battery

Info

Publication number: CN219106271U
Application number: CN202222575857.9U
Authority: CN
Inventors: 卢凯航; 陈朝海; 陈智伟; 王峥嵘; 贺元
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-05-30
Anticipated expiration: 2032-09-28

Abstract

The utility model belongs to the technical field of batteries, and discloses a module assembly and a battery.

Description

Module assembly and battery

Technical Field

The utility model relates to the technical field of batteries, in particular to a module assembly and a battery.

Background

The battery module sends a large amount of heat at charge-discharge in-process, in order to cool down for the battery module, can set up the liquid cooling board for the battery module generally, absorbs the heat that the battery module sent through the liquid cooling board, realizes cooling down to the battery module.

In the prior art, the liquid cooling plate is mostly in a flat plate structure, the contact area between the flat plate-shaped liquid cooling plate and the battery module is very limited, and heat conduction can be realized only by contacting the top or the bottom of the battery module, so that the heat dissipation efficiency of the battery module is limited.

Therefore, there is a need to provide a module assembly and a battery to solve the above-mentioned problems.

Disclosure of Invention

An object of the present utility model is to provide a module assembly that increases a heat dissipation area of a battery module thereof, and effectively improves heat dissipation efficiency of the battery module.

To achieve the purpose, the utility model adopts the following technical scheme:

a module assembly, comprising:

a battery module;

the liquid cooling cover is provided with a containing groove, the bottom of the containing groove is provided with a first flow passage, the side wall of the containing groove is provided with a second flow passage, the first flow passage and the second flow passage are both used for circulating refrigerant, the battery module is arranged in the containing groove, the top surface or the bottom surface of the battery module is bonded with the bottom of the containing groove through heat conducting glue, and the side wall of the battery module is bonded with the inner wall of the containing groove through heat conducting glue.

Optionally, the edge of holding tank is equipped with the hem, and the hem extends towards the central direction of holding tank, and the hem is connected with battery module heat conduction, and the hem is equipped with the third runner, and the third runner is used for circulating the refrigerant.

Optionally, the battery module includes a CCS assembly and a plurality of electric cores, and a plurality of electric cores are connected through the CCS assembly electricity, and the CCS assembly is connected with the hem heat conduction.

Optionally, the battery module further comprises two side plates, the battery module is composed of a plurality of battery cells, the battery cell module is clamped between the two side plates, and the outer walls of the two side plates are adhered to the inner wall of the accommodating groove through heat-conducting glue.

Optionally, the bottom surface of the battery module is bonded with the bottom of the accommodating groove through heat-conducting glue, and the top surface of the battery module is in heat-conducting connection with the folded edge.

Optionally, the folded edge is in heat conduction connection with the battery module through heat conduction glue.

Optionally, the first flow channel, the second flow channel and the third flow channel are in communication.

Optionally, the third flow channel is provided with a first interface and a second interface, the first interface and the second interface are diagonally arranged, and the refrigerant can flow into the third flow channel through the first interface and flow out of the third flow channel through the second interface.

Optionally, the accommodating groove is a through groove.

Another object of the present utility model is to provide a battery, which can rapidly dissipate heat during charging and discharging, thereby greatly improving the safety of the battery product.

the battery comprises a battery box and the module assembly, and the module assembly is installed in the battery box.

The beneficial effects are that:

according to the module assembly provided by the utility model, the accommodating groove is formed in the liquid cooling cover, the battery module is arranged in the accommodating groove, the top surface or the bottom surface of the battery module is bonded with the bottom of the accommodating groove through the heat-conducting glue, the side wall of the battery module is bonded with the inner wall of the accommodating groove through the heat-conducting glue, and the bottom and the side wall of the accommodating groove are respectively provided with the first flow passage and the second flow passage for circulating the refrigerant, so that the effect that the liquid cooling cover can cool the side wall of the battery module and the top or the bottom of the battery module is realized, the heat dissipation area of the battery module is increased, and the heat dissipation efficiency of the battery module is effectively improved.

According to the battery provided by the utility model, the battery module has higher heat dissipation efficiency by adopting the module assembly, and the battery can quickly dissipate heat in the charge and discharge process, so that the safety of a battery product is greatly improved.

Drawings

FIG. 1 is a schematic view of a module assembly according to the present utility model;

FIG. 2 is a schematic diagram of a liquid cooling hood according to the present utility model;

FIG. 3 is a schematic view of an exploded view of a module assembly according to the present utility model;

fig. 4 is an exploded view of the liquid cooling hood according to the present utility model.

In the figure:

100. a battery module; 110. a cell module; 120. a CCS component; 130. a side plate; 200. a liquid cooling cover; 210. a receiving groove; 211. folding edges; 212. a second flow passage; 213. a third flow passage; 214. a first interface; 215. a second interface; 220. a flow channel plate; 221. a flow channel; 230. a flat plate; 300. and (5) heat-conducting glue.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a module assembly, and the module assembly increases the heat dissipation area of the battery module, and effectively improves the heat dissipation efficiency of the battery module.

Specifically, as shown in fig. 1 to 3, the module assembly includes a battery module 100 and a liquid cooling cover 200, the liquid cooling cover 200 is provided with a receiving groove 210, a first flow passage is provided at a bottom of the receiving groove 210, a second flow passage 212 is provided at a side wall of the receiving groove 210, the first flow passage and the second flow passage 212 are both used for circulating a refrigerant, the battery module 100 is disposed in the receiving groove 210, a top surface or a bottom surface of the battery module 100 is bonded with a bottom of the receiving groove 210 through a heat conductive adhesive 300, and a side wall of the battery module 100 is bonded with an inner wall of the receiving groove 210 through the heat conductive adhesive 300.

The liquid cooling cover 200 is provided with the accommodating groove 210, the battery module 100 is arranged in the accommodating groove 210, the top surface or the bottom surface of the battery module 100 is adhered to the bottom of the accommodating groove 210 through the heat conducting glue 300, the side wall of the battery module 100 is adhered to the inner wall of the accommodating groove 210 through the heat conducting glue 300, the bottom and the side wall of the accommodating groove 210 are respectively provided with the first flow channel and the second flow channel 212 for circulating the refrigerant, the heat generated by the battery module 100 can be transferred to the refrigerant in the first flow channel from the top or the bottom of the battery module through the heat conducting glue 300, and the cooling effect of the side wall of the battery module 100 and the top or the bottom of the battery module 100 by the liquid cooling cover 200 is realized, the heat dissipation area of the battery module 100 is increased, and the heat dissipation efficiency of the battery module 100 is effectively improved. On the other hand, for the high-capacity battery module and the high-power charge-discharge battery module, in the charge-discharge process, the heat dissipated from the battery module 100 per unit time is more, so as to ensure the safety of the battery module 100, that is, the cooling efficiency of the battery module 100 needs to be improved, that is, the cooling cover 200 provided in this embodiment effectively improves the cooling efficiency of the battery module 100, thereby providing possibility for improving the capacity and the charge-discharge power of the battery module 100, and providing powerful guarantee for the safe use of the high-capacity battery module 100 and the high-power charge-discharge module. In still another aspect, the module assembly provided in this embodiment achieves a high-efficiency heat dissipation effect on the battery module 100, so that the battery module 100 can discharge at a relatively suitable ambient temperature, and the endurance of the battery module 100 is effectively improved.

Alternatively, as shown in fig. 1 to 3, the edge of the accommodating groove 210 is provided with a flange 211, the flange 211 extends toward the center direction of the accommodating groove 210, the flange 211 is in heat conduction connection with the battery module 100, the flange 211 is provided with a third flow channel 213, the third flow channel 213 is used for circulating refrigerant, that is, one of the bottom of the accommodating groove 210 and the flange 211 cools the bottom of the battery module 100, and the other cools the top of the battery module 100, so that the contact area of the liquid cooling cover 200 and the battery module 100 is further increased, that is, the heat dissipation area of the battery module 100 is increased, and the effect of further improving the heat dissipation efficiency of the battery module 100 is achieved.

Further, as shown in fig. 1 to 3, the folded edge 211 is in heat conduction connection with the battery module 100 through the heat-conducting glue 300, so that the heat conduction connection between the folded edge 211 and the battery module 100 is realized, and when the liquid cooling cover 200 and the battery module 100 are assembled, only the bottom of the accommodating groove 210, the inner wall of the accommodating groove 210 and the end face of the folded edge 211 facing the accommodating groove 210 need to be respectively bonded with the battery module 100 through the heat-conducting glue 300, so that the assembly process is simplified, and the production efficiency is improved. Of course, in other embodiments, the flange 211 and the battery module 100 may be thermally connected by direct contact or by fastening with a connecting member such as a bolt.

Alternatively, as shown in fig. 1 to 3, the bottom surface of the battery module 100 is adhered to the bottom surface of the receiving groove 210 by the heat conductive adhesive 300, and the top surface of the battery module 100 is thermally connected to the flange 211 by the heat conductive adhesive 300, so as to avoid the problem that the third flow channel 213 in the flange 211 is crushed due to the provision of the flange 211 at the bottom of the battery module 100.

Alternatively, as shown in fig. 1 to 3, the battery module 100 includes a CCS assembly 120 and a plurality of electric cells, the electric cells are electrically connected through copper bars in the CCS assembly 120, the copper bars in the CCS assembly 120 are thermally connected with the folded edges 211 through the heat-conducting glue 300, and heat generated by the electric cells is transferred to the folded edges 211 through the copper bars and the heat-conducting glue 300 in sequence, and then is absorbed by the refrigerant in the third flow channel 213 to achieve the heat dissipation effect.

Further, as shown in fig. 1 to 3, the battery module 100 further includes two side plates 130, the plurality of electric cores form the electric core module 110, the electric core module 110 is sandwiched between the two side plates 130, the outer walls of the two side plates 130 are adhered to the inner wall of the accommodating groove 210 through the heat conducting glue 300, and the heat emitted by the electric cores is transferred to the side wall of the accommodating groove 210 through the side plates 130 and the heat conducting glue 300 in sequence, and is absorbed by the refrigerant in the second flow channel 212 to achieve the heat dissipation effect.

Optionally, as shown in fig. 1 to 3, the first flow channel, the second flow channel 212 and the third flow channel 213 are communicated, so as to simplify the production process of the liquid cooling cover 200, and the structure only needs to provide two interfaces on the liquid cooling cover 200, so that compared with providing a plurality of interfaces on the liquid cooling cover 200, the reduction of the number of interfaces is beneficial to reducing the risk of leakage of the refrigerant.

Further, as shown in fig. 1 to 3, the third flow channel 213 is provided with a first interface 214 and a second interface 215, the first interface 214 and the second interface 215 are diagonally arranged, and the refrigerant can flow into the third flow channel 213 through the first interface 214 and flow out of the third flow channel 213 through the second interface 215, so as to realize the circulation of the refrigerant in the first flow channel, the second flow channel 212 and the third flow channel 213, in addition, the first interface 214 and the second interface 215 are diagonally arranged, thereby being beneficial to prolonging the total length of the refrigerant circulating in the first flow channel, the second flow channel 212 and the third flow channel 213, and further being beneficial to improving the overall cooling capacity of the liquid cooling cover 200.

Alternatively, as shown in fig. 1 to 3, the accommodating groove 210 is a through groove, so as to reduce the difficulty in assembling the liquid cooling cover 200 and the battery module 100, and the battery module 100 may be inserted into the accommodating groove 210 from one side of the liquid cooling cover 200 when assembling the liquid cooling cover 200 and the battery module 100.

Alternatively, as shown in fig. 1 to 4, the liquid cooling cover 200 is formed by sealing and fastening a runner plate 220 and a flat plate 230, specifically, the runner plate 220 and the flat plate 230 are respectively manufactured by a stamping process, and after the runner plate 220 is fastened and connected with the flat plate 230, a runner is formed between the runner plate 220 and the flat plate 230, the runner at the bottom of the accommodating groove 210 is a first runner, the runner at the side wall of the accommodating groove 210 is a second runner 212, and the runner at the folded edge 211 is a third runner 213. Of course, in other embodiments, the liquid cooling enclosure 200 may be produced by other processes.

The embodiment also provides a battery, which comprises a battery box and the module assembly, wherein the module assembly is arranged in the battery box, the battery adopts the module assembly, the battery module 100 has higher heat dissipation efficiency, the battery can quickly dissipate heat in the charge and discharge process, and the stability of the battery product in a high-temperature environment is greatly improved; in addition, the efficient heat dissipation effect of the battery module 100 is beneficial to improving the battery capacity of a battery product, and when the battery product is applied to a new energy automobile, the capacity of the new energy automobile can be effectively improved; finally, the efficient heat dissipation effect of the battery module 100 is also beneficial to breaking through the limitation of temperature factors on the charging power of the battery product, and has the effect of shortening the charging time of the battery product.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The module subassembly, its characterized in that includes:

a battery module (100);

liquid cooling cover (200), liquid cooling cover (200) is equipped with holding tank (210), the tank bottom of holding tank (210) is equipped with first runner, the lateral wall of holding tank (210) is equipped with second runner (212), first runner with second runner (212) all are used for circulating the refrigerant, battery module (100) set up in holding tank (210), the top surface or the bottom surface of battery module (100) with the tank bottom of holding tank (210) bonds through heat conduction glue (300), the lateral wall of battery module (100) with the inner wall of holding tank (210) passes through heat conduction glue (300) bonds.

2. The module assembly according to claim 1, wherein an edge of the receiving groove (210) is provided with a flange (211), the flange (211) extends toward a center direction of the receiving groove (210), the flange (211) is thermally connected with the battery module (100), the flange (211) is provided with a third flow passage (213), and the third flow passage (213) is used for circulating the refrigerant.

3. The module assembly of claim 2, wherein the battery module (100) comprises a CCS assembly (120) and a plurality of cells, a plurality of the cells being electrically connected by the CCS assembly (120), the CCS assembly (120) being thermally conductively connected to the flange (211).

4. A module assembly according to claim 3, wherein the battery module (100) further comprises two side plates (130), a plurality of the battery cells form a battery cell module (110), the battery cell module (110) is sandwiched between the two side plates (130), and outer walls of the two side plates (130) are bonded to inner walls of the accommodating groove (210) through the heat conductive adhesive (300).

5. The module assembly according to claim 2, wherein a bottom surface of the battery module (100) is bonded to a bottom surface of the receiving groove (210) through the heat conductive adhesive (300), and a top surface of the battery module (100) is thermally connected to the flange (211).

6. The module assembly according to claim 2, wherein the flange (211) is thermally connected with the battery module (100) by the thermally conductive glue (300).

7. The module assembly of any of claims 2-6, wherein the first flow channel, the second flow channel (212), and the third flow channel (213) are in communication.

8. The module assembly according to claim 7, wherein the third flow channel (213) is provided with a first interface (214) and a second interface (215), the first interface (214) and the second interface (215) are arranged diagonally, and the refrigerant can flow into the third flow channel (213) through the first interface (214) and flow out of the third flow channel (213) through the second interface (215).

9. The module assembly of any of claims 1-6, wherein the receiving slot (210) is a through slot.

10. A battery comprising a battery compartment and a module assembly according to any one of claims 1-9, said module assembly being mounted in said battery compartment.