CN219066993U

CN219066993U - Heat dissipation type full-tab top cover assembly

Info

Publication number: CN219066993U
Application number: CN202222789576.3U
Authority: CN
Inventors: 龚盼星; 黄杨梓
Original assignee: Aerospace Lithium Technology Jiangsu Co ltd
Current assignee: Aerospace Lithium Technology Jiangsu Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-05-23
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a heat-dissipation type all-lug top cover assembly, which comprises a top cover plate, wherein both sides of the top end of the top cover plate are respectively provided with an assembly hole, the inner sides of the two assembly holes are respectively fixedly provided with an insulating frame, the inner sides of the two insulating frames are respectively fixedly provided with a pole column body, the bottom ends of the two pole columns are respectively fixedly provided with a pole column conductive sheet, a heat-conduction silicone rubber pad which is closely attached to the top cover plate is paved between the two pole column conductive sheets, the middle part of the top end of the top cover plate is provided with a shallow groove, and the inner part of the shallow groove is fixedly provided with a heat-dissipation sealing sheet; according to the heat dissipation type all-tab top cover assembly, the heat conduction silicone rubber pad is paved at the joint of the two poles and the pole conducting strip, so that heat generated at the pole can be quickly conducted to the middle of the top cover in the use process of the battery, and the heat dissipation type all-tab top cover assembly is matched with the heat dissipation sealing strip, so that the top cover assembly has a certain heat dissipation effect, and the problem that the stability and the safety of the battery are influenced by the overheat of the poles is favorably prevented.

Description

Heat dissipation type full-tab top cover assembly

[ field of technology ]

The utility model relates to the technical field of lithium batteries, in particular to a heat dissipation type full-tab top cover assembly.

[ background Art ]

In recent years, with the rapid development of the new energy automobile industry, lithium batteries are widely used as power sources of the new energy automobiles. The full-tab lithium battery is used as a new generation lithium battery, and has the characteristics of small internal resistance and low heat generation rate, so that the full-tab lithium battery becomes a key point of research. Wherein the top cover component is used for packaging the core material of the battery in the battery shell and plays a role in the up-down connection. Common full utmost point ear top cap subassembly is like a full utmost point ear battery apron of application number 201920077093.6, has following not enough:

the heat dissipation structure is not provided, the connection part of the pole is easy to generate heat in the use process, and heat cannot be rapidly conducted and discharged.

[ utility model ]

The utility model aims to provide a heat-dissipation type full-tab top cover assembly, which solves the problems that the prior art does not have a heat-dissipation structure, and the connection part of a pole is easy to generate heat and heat cannot be rapidly conducted and discharged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a full utmost point ear top cap subassembly of heat dissipation, includes the top cap apron, the pilot hole has all been seted up to the both sides on top cap apron top, two the inboard of pilot hole is all fixed to be provided with the insulated frame, two the inboard of insulated frame is all fixed to be provided with the utmost point post, two the bottom of utmost point post is all fixed to be provided with utmost point post conducting strip, two lay the heat conduction silicone rubber pad of hugging closely the top cap apron between the utmost point post conducting strip, shallow slot has been seted up at the middle part on top cap apron top, the inside of shallow slot is fixed to be provided with the heat dissipation sealing strip, has laid the heat conduction silicone rubber pad in the junction of two utmost point posts and utmost point post conducting strip, can conduct the heat that the utmost point post department produced to the middle part of top cap fast in the battery use, cooperation heat dissipation sealing strip to make the top cap subassembly possess certain radiating effect, be favorable to preventing that the utmost point post from overheated influences the problem of battery job stabilization and security.

Preferably, a plurality of evenly distributed radiating thin plates are fixedly arranged on the outer side of the radiating sealing plate, and heat exchange between the top cover assembly and the outside can be rapidly achieved.

Preferably, the heat conduction silicone grease rubber pad is connected with the inner side of the heat dissipation sealing sheet in a pasting way, so that the heat dissipation effect is better, the probability of heating of the battery pole is reduced, and the heat conduction silicone grease rubber pad is safe and reliable.

Preferably, the safety valve is fixedly arranged on the periphery of the top cover plate, so that the use safety of the lithium battery can be improved.

Preferably, the periphery of top cap apron bottom is fixed and is provided with the welding frame, can improve the compactness of top cap apron to battery packaging, and the leakproofness is more good.

Preferably, the two pole columns are respectively an anode pole column and a cathode pole column, so that a user can weld and use conveniently, and the use is simpler and more convenient.

Compared with the prior art, the utility model has the beneficial effects that: this full utmost point ear top cap subassembly has laid heat conduction silicone grease cushion in the junction of two utmost point posts and utmost point post conducting strip, can conduct the heat that the utmost point post department produced to the middle part of top cap fast in the battery use, and the heat-dissipating sealing strip is scattered in the cooperation to make top cap subassembly possess certain radiating effect, be favorable to preventing that the utmost point post from overheated, influence the stability and the security of battery work.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, 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 utility model 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 view of a top cap assembly according to the present utility model;

FIG. 2 is a front cross-sectional view of the header assembly of the present utility model;

FIG. 3 is a bottom cross-sectional view of the roof deck of the present utility model;

fig. 4 is a front cross-sectional view of the header cover of the present utility model.

In the figure: 1. a top cover plate; 2. an insulating frame; 3. a pole body; 4. welding a frame; 5. a heat radiation sheet; 6. heat-sealing the piece; 7. shallow grooves; 8. a pole conductive sheet; 9. a fitting hole; 10. a heat-conducting silicone grease rubber pad; 11. a safety valve.

[ detailed description ] of the utility model

In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description.

Referring to fig. 1-4, the utility model provides a heat dissipation type all-lug top cover assembly, which comprises a top cover plate 1, wherein both sides of the top end of the top cover plate 1 are respectively provided with assembly holes 9, the inner sides of the two assembly holes 9 are respectively fixedly provided with an insulating frame 2, the inner sides of the two insulating frames 2 are respectively fixedly provided with pole columns 3, the bottom ends of the two pole columns 3 are respectively fixedly provided with pole column electric conduction sheets 8, a heat conduction silicone rubber cushion 10 clung to the top cover plate 1 is paved between the two pole column electric conduction sheets 8, a shallow groove 7 is formed in the middle of the top end of the top cover plate 1, a heat dissipation sealing sheet 6 is fixedly arranged in the shallow groove 7, a plurality of heat dissipation sheets 5 which are uniformly distributed are fixedly arranged on the outer sides of the heat dissipation sealing sheet 6, the heat conduction silicone rubber cushion 10 is in adhesive connection with the inner sides of the heat dissipation sealing sheet 6, the periphery of the top cover plate 1 is fixedly provided with a safety valve 11, the periphery of the bottom end of the top cover plate 1 is fixedly provided with a welding frame 4, the two pole columns 3 are respectively positive pole columns and negative pole columns, a heat conduction sheet 10 is paved at the joint of the two pole columns 3 and the pole column electric conduction sheets 8, a heat conduction sheet 10 is tightly attached to the top cover plate 1, heat dissipation sheet 6 can be tightly contacted with the heat dissipation sheet 6 in the process, and the heat dissipation sheet is tightly contacted with the heat dissipation sheet 6, and the heat dissipation sheet is tightly due to the heat dissipation effect is fast and the heat dissipation effect of the heat dissipation sheet is tightly conductive in the process of the top cover plate 1, and the heat dissipation sheet is used, and the heat dissipation effect is well heat conductive and has a heat dissipation effect and heat dissipation effect.

When the embodiment of the application is used, the following steps are adopted: the utmost point ear of battery dipolar can with two utmost point post conducting strip 8 in close contact, be connected with utmost point post 3 through utmost point post conducting strip 8, insulating frame 2 then improves the insulating nature that utmost point post and top cap apron 1 are connected, avoid the battery to appear the short circuit in the use, this full utmost point ear top cap subassembly has laid heat conduction silicone rubber pad 10 in the junction of two utmost point posts 3 and utmost point post conducting strip 8, can be in the battery use, conduct the middle part of top cap fast with the heat that utmost point post department produced, because heat conduction silicone rubber pad 10 and top cap apron 1 and heat dissipation seal piece 6 in close contact, cooperate heat dissipation thin slice 5 on the heat dissipation seal piece 6, thereby make the top cap subassembly possess certain radiating effect, be favorable to preventing the battery in-process that the utmost point post is overheated influences the problem of battery job stabilization and security.

The present utility model is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the utility model is not limited to the specific details, representative apparatus and illustrative examples shown and described herein.

Claims

1. The utility model provides a full utmost point ear top cap subassembly of heat dissipation formula, includes top cap board (1), its characterized in that: the utility model discloses a heat dissipation device for the top cover plate, including top cover plate (1), insulating frame (2), pole post (3), heat conduction silicone rubber pad (10) of hugging closely top cover plate (1) are all offered to the both sides on top cover plate (1), two the inboard of mounting hole (9) is all fixed be provided with insulating frame (2), two the inboard of insulating frame (2) is all fixed be provided with pole post (3), two the bottom of pole post (3) is all fixed be provided with pole post conducting strip (8), two lay between pole post conducting strip (8), shallow slot (7) have been offered at the middle part on top cover plate (1), the inside of shallow slot (7) is fixed to be provided with scattered heat seal piece (6).

2. The heat dissipating full tab cap assembly of claim 1, wherein: a plurality of radiating thin plates (5) which are uniformly distributed are fixedly arranged on the outer side of the radiating sealing plate (6).

3. The heat dissipating full tab cap assembly of claim 1, wherein: the heat conduction silicone grease rubber pad (10) is adhered and connected with the inner side of the heat dissipation sealing sheet (6).

4. The heat dissipating full tab cap assembly of claim 1, wherein: the periphery of the top cover plate (1) is fixedly provided with a safety valve (11).

5. The heat dissipating full tab cap assembly of claim 1, wherein: and a welding frame (4) is fixedly arranged at the periphery of the bottom end of the top cover plate (1).

6. The heat dissipating full tab cap assembly of claim 1, wherein: the two pole bodies (3) are respectively a positive pole body and a negative pole body.