CN217361761U

CN217361761U - Thermal insulation lithium ion battery shell

Info

Publication number: CN217361761U
Application number: CN202220455571.4U
Authority: CN
Inventors: 蒋占伟
Original assignee: Henan Xingdesheng New Energy Technology Co ltd
Current assignee: Henan Xingdesheng New Energy Technology Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-09-02
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a separate temperature lithium ion battery shell, including battery case main part and lithium ion battery, the outside heat dissipation shell that is equipped with of battery case main part, and the heat dissipation shell side evenly is equipped with radiating fin, the inboard laminating of heat dissipation shell has at a distance from the temperature membrane, and the interior block of heat dissipation shell has a temperature isolation box section of thick bamboo to it evenly is equipped with the limiting plate to separate a temperature isolation box section of thick bamboo inboard, heat dissipation shell upper end block has the lid, and the lid lower extreme is connected with the fastening clamp plate. This separate temperature lithium ion battery shell has externally set up the heat dissipation shell that can dispel the heat, can dispel the heat to battery case to the heat that prevents battery case self causes the influence to lithium ion battery. This separate temperature lithium ion battery shell has set up in the heat dissipation shell and has separated a temperature case section of thick bamboo, separates the temperature case section of thick bamboo and can fix lithium ion battery, separates the temperature case section of thick bamboo simultaneously and plays the spaced effect to heat dissipation shell and lithium ion battery, and the effectual effect that improves separate the temperature improves, improves battery case to lithium ion battery's protection.

Description

Thermal insulation lithium ion battery shell

Technical Field

The utility model relates to a battery case technical field specifically is a separate temperature lithium ion battery shell.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, Li + is inserted and extracted back and forth between two electrodes: during charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. The lithium ion battery generally comprises a positive electrode, a diaphragm, a negative electrode, an organic electrolyte and a battery shell, wherein the battery shell is divided into a steel shell (square is rarely used), an aluminum shell, a nickel-plated iron shell (used for a cylindrical battery), an aluminum plastic film (flexible package) and the like.

The existing lithium ion battery shell is generally subjected to heat insulation treatment by asbestos materials, but the heat of the battery shell cannot be efficiently dissipated, so that the heat insulation effect of the battery shell is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a separate temperature lithium ion battery shell to solve the current market that the above-mentioned background art provided on lithium ion battery shell generally through asbestos material separate the temperature and handle, but the heat of battery case self can not distribute away by the efficient, lead to the poor problem of the thermal-insulated effect of battery case.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a separate temperature lithium ion battery shell, includes battery case main part and lithium ion battery, battery case main part outside is equipped with the heat dissipation shell, and the heat dissipation shell side evenly is equipped with radiating fin, the inboard laminating of heat dissipation shell has a temperature film that separates, and the interior block of heat dissipation shell has a temperature case section of thick bamboo to separate a temperature case section of thick bamboo inboard and evenly be equipped with the limiting plate, heat dissipation shell upper end block has the lid, and the lid lower extreme is connected with the fastening clamp plate.

Preferably, the lower end of the cover body is in contact connection with the upper end of the heat insulation box barrel, and the fastening pressing plate is clamped in the heat insulation box barrel.

Preferably, the lower end of the fastening pressure plate is in contact connection with the lithium ion battery, and the lithium ion battery is located between the limiting plates.

Preferably, the upper end of the heat insulation box cylinder is of an open structure, and the heat insulation box cylinder is of a double-layer structure.

Preferably, the heat insulation box cylinder is also attached to the heat insulation film.

Compared with the prior art, the beneficial effects of the utility model are that: this separate temperature lithium ion battery shell has externally set up the heat dissipation shell that can dispel the heat, can carry out the heat dissipation to battery case and handle to prevent that battery case self's heat from causing the influence to lithium ion battery. This heat-insulating lithium ion battery shell has set up heat-insulating box section of thick bamboo in the heat dissipation shell, and heat-insulating box section of thick bamboo can fix lithium ion battery and handle, and heat-insulating box section of thick bamboo plays the spaced effect to heat dissipation shell and lithium ion battery simultaneously, and effectual improvement separates the effect of temperature, improves battery case to lithium ion battery's protection.

Drawings

Fig. 1 is a schematic structural diagram of an insulating lithium ion battery case of the present invention;

fig. 2 is an enlarged structural schematic diagram of a position a in fig. 1 of the thermal insulation lithium ion battery case of the present invention;

fig. 3 is a top view of the thermal insulation lithium ion battery case main body and the lithium ion battery.

In the figure: 1. a battery case main body; 2. a cover body; 3. fastening a pressure plate; 4. a heat dissipation housing; 5. a heat dissipating fin; 6. a thermal insulation canister; 7. a lithium ion battery; 8. a limiting plate; 9. a thermal insulation film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a heat insulation lithium ion battery shell comprises a battery shell main body 1 and a lithium ion battery 7, wherein a heat dissipation shell 4 is arranged outside the battery shell main body 1, heat dissipation fins 5 are uniformly arranged on the side surface of the heat dissipation shell 4, a heat insulation film 9 is attached to the inner side of the heat dissipation shell 4, a heat insulation box barrel 6 is clamped in the heat dissipation shell 4, the upper end of the heat insulation box barrel 6 is of an opening structure, the heat insulation box barrel 6 is of a double-layer structure, a cavity of the double-layer structure of the heat insulation box barrel 6 can be filled with cooling liquid, the heat dissipation effect of the lithium ion battery 7 is improved, the opening at the upper end of the heat insulation box barrel 6 can facilitate the clamping and fixing treatment of the lithium ion battery 7, the heat insulation box barrel 6 is also attached and connected with the heat insulation film 9, the structure can ensure that the heat insulation box barrel 6 is tightly clamped in the heat dissipation shell 4, the battery shell main body 1 can carry out heat dissipation treatment through the heat dissipation shell 4, and carry out heat insulation treatment on the lithium ion battery 7 through the heat insulation box barrel 6, the lithium ion battery 7 is protected in a heat insulation way, the inner side of a heat insulation box barrel 6 is uniformly provided with limiting plates 8, the upper end of a heat dissipation shell 4 is clamped with a cover body 2, the lower end of the cover body 2 is connected with a fastening pressing plate 3, the lower end of the cover body 2 is in contact connection with the upper end of the heat insulation box barrel 6, the fastening pressing plate 3 is clamped in the heat insulation box barrel 6, the cover body 2 can seal the upper end of a battery shell main body 1, the cover body 2 can also play a role in fastening the heat insulation box barrel 6, the fastening pressing plate 3 stabilizes the fixing of the cover body 2 through the clamping of the heat insulation box barrel 6, the fastening pressing plate 3 plays a role in fastening the lithium ion battery 7, the lower end of the fastening pressing plate 3 is in contact connection with the lithium ion battery 7, the lithium ion battery 7 is positioned between the limiting plates 8, and the lithium ion battery 7 can be fastened in the heat insulation box barrel 6 through the matching of the limiting plates 8 and the fastening pressing plate 3, meanwhile, the limiting plate 8 and the fastening pressing plate 3 can enable the lithium ion battery 7 to be far away from the battery shell main body 1, and the heat insulation effect is improved.

The working principle is as follows: when the heat-insulation lithium ion battery shell is used, firstly, the lithium ion battery 7 is installed in the heat-insulation box barrel 6 through the limiting block of the limiting plate 8, the limiting plate 8 enables a certain distance to exist between the lithium ion battery 7 and the heat-insulation box barrel 6, the lithium ion battery 7 can be far away from the heat-insulation box barrel 6, meanwhile, the lithium ion battery 7 is fastened, the heat-insulation box barrel 6 plays a role in separating the lithium ion battery 7 from the heat dissipation shell 4, the heat-insulation effect of the lithium ion battery 7 is improved, the temperature on the battery shell main body 1 is subjected to heat dissipation treatment through the heat dissipation fins 5, the cover body 2 plays a role in fixing the upper end cover on the battery shell main body 1, the fastening pressing plate 3 also plays a role in fastening the fixing of the lithium ion battery 7, the lithium ion battery 7 is connected with the battery shell main body 1 in a relatively stable mode, and a series of work is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an insulating temperature lithium ion battery shell, includes battery case main part (1) and lithium ion battery (7), its characterized in that: the battery case main part (1) outside is equipped with heat dissipation shell (4), and heat dissipation shell (4) side evenly is equipped with radiating fin (5), heat dissipation shell (4) inboard laminating has at a distance from temperature membrane (9), and the block has at a distance from temperature box section of thick bamboo (6) in heat dissipation shell (4) to it evenly is equipped with limiting plate (8) to separate temperature box section of thick bamboo (6) inboard, heat dissipation shell (4) upper end block has lid (2), and lid (2) lower extreme is connected with fastening clamp plate (3).

2. The thermally insulated lithium ion battery case of claim 1, wherein: the lower end of the cover body (2) is in contact connection with the upper end of the heat insulation box barrel (6), and the fastening pressing plate (3) is clamped in the heat insulation box barrel (6).

3. The insulated lithium ion battery case of claim 1, wherein: the lower end of the fastening pressing plate (3) is in contact connection with the lithium ion battery (7), and the lithium ion battery (7) is located between the limiting plates (8).

4. The insulated lithium ion battery case of claim 1, wherein: the upper end of the heat insulation box barrel (6) is of an open structure, and the heat insulation box barrel (6) is of a double-layer structure.

5. The thermally insulated lithium ion battery case of claim 1, wherein: the heat insulation box barrel (6) is also attached to the heat insulation film (9).