CN212571200U

CN212571200U - Lithium battery with self-heat-dissipation structure

Info

Publication number: CN212571200U
Application number: CN202021296804.8U
Authority: CN
Inventors: 吕康飞; 董新伟
Original assignee: Xuzhou Maitong Environmental Protection Technology Co ltd
Current assignee: Xuzhou Maitong Environmental Protection Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-02-19
Anticipated expiration: 2030-07-06

Abstract

The utility model discloses a lithium cell with from heat radiation structure, including lithium cell body, lithium cell body's top is connected with the block through the glue adhesion, the welding of the top central authorities position department of block has the electrode post, lithium cell body is adjacent to the cover and is equipped with insulating protective layer on one side outer wall of block, be connected with a heat dissipation section of thick bamboo through the glue adhesion on one side outer wall of insulating protective layer, be connected with rubber protective sheath through the glue adhesion on keeping away from one side outer wall of insulating protective layer on the heat dissipation section of thick bamboo. This lithium cell with from heat radiation structure, through the elastic air bag independently with the cold air suction of hot-air exhaust, can realize that the air in the elastic air bag flows, and then can dispel the heat that the lithium cell sent through the air that flows, realize from the heat dissipation, guarantee that the lithium cell is in work under the lower temperature state, guarantee the security of lithium cell during operation, the life of extension lithium cell repeated charge-discharge.

Description

Lithium battery with self-heat-dissipation structure

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell with from heat radiation structure.

Background

The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, is different from a rechargeable battery, namely a lithium ion battery and a lithium ion polymer battery, and has very high requirements on the environment due to the processing, storage and use of the lithium metal because the chemical characteristics of the lithium metal are very active.

However, current lithium cell can produce the heat at the during operation, and these heats can make the lithium cell be in under the higher temperature state, not only explode easily, still can cause lithium cell inner structure impaired, influence the life of lithium cell, and current lithium cell mostly dispels the heat through outside heat radiation equipment, lacks effectual self heat radiation structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell with from heat radiation structure to it dispels the heat through outside heat radiation equipment mostly to propose current lithium cell in solving above-mentioned background art, lacks effectual problem from heat radiation structure.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery with a self-heat-dissipation structure comprises a lithium battery body, wherein the top of the lithium battery body is connected with a cap through glue adhesion, an electrode post is welded at the central position of the top of the cap, an insulating protective layer is sleeved on the outer wall of one side of the lithium battery body, which is adjacent to the cap, a heat-dissipation cylinder is connected on the outer wall of one side of the insulating protective layer through glue adhesion, a rubber protective sleeve is connected on the outer wall of one side, which is far away from the insulating protective layer, of the heat-dissipation cylinder through glue adhesion, a heat-dissipation sheet is connected at the position, which is close to one side of the heat-dissipation cylinder, of the outer wall of one side of the insulating protective layer through glue adhesion, a heat-absorption plate is welded on the inner wall of one side of the heat-dissipation cylinder, a fixed seat is welded on the outer, the improved check valve is characterized in that a second check valve is fixedly connected to the outer wall of one side of the fixing seat through a bolt, a first baffle is connected to the inner wall of one side of the first check valve in a rotating mode through a rotating shaft, a first spring is welded between the first baffle and the first check valve, a first limiting block is welded to the position, below, close to the first baffle, of the inner wall of one side of the first check valve, a second baffle is connected to the inner wall of one side of the second check valve in a rotating mode through the rotating shaft, a second spring is welded between the second baffle and the second check valve, and a second limiting block is welded to the inner wall of one side of the second check valve, close to the position, between the second baffle and the second spring.

Preferably, the heat sink penetrates through the rubber protective sleeve.

Preferably, the number of the elastic air bags is two, and the two elastic air bags are symmetrically arranged on the outer wall of the fixing seat.

Preferably, the fixing seat is of a hollow structure, and the second one-way valve penetrates through the rubber protective sleeve.

Preferably, the elastic air bag is made of elastic materials.

Preferably, the first baffle and the second baffle are both in a semicircular structure.

Compared with the prior art, the beneficial effects of the utility model are that: this lithium cell with from heat radiation structure, it inhales hot-air exhaust cold air independently through the elasticity gasbag, can realize the air flow in the elasticity gasbag, and then the heat that can send the lithium cell through the air that flows is effused, realize from the heat dissipation, guarantee that the lithium cell is in work under the lower temperature state, guarantee the security of lithium cell during operation, the life of extension lithium cell repeated charge and discharge, in addition, through the absorber plate that runs through, can scatter and disappear to the air with the heat that the lithium cell produced, and then realize the further heat dissipation of lithium cell, improve radiating effect.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a schematic view of the internal structure of the heat dissipating cylinder of the present invention;

fig. 5 is a cross-sectional view of a first check valve of the present invention;

fig. 6 is a cross-sectional view of a second check valve of the present invention.

In the figure: 1. a lithium battery body; 2. capping; 3. an electrode column; 4. an insulating protective layer; 5. a heat-dissipating cylinder; 6. a rubber protective sleeve; 7. a heat sink; 8. a heat absorbing plate; 9. a fixed seat; 10. an elastic air bag; 11. a first check valve; 12. a second one-way valve; 13. a first baffle plate; 14. a first spring; 15. a first stopper; 16. a second baffle; 17. a second spring; 18. and a second limiting block.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a lithium battery with a self-heat-dissipation structure comprises a lithium battery body 1, wherein the top of the lithium battery body 1 is connected with a cap 2 through glue adhesion, an electrode post 3 is welded at the central position of the top of the cap 2, an insulating protective layer 4 is sleeved on the outer wall of one side of the lithium battery body 1 adjacent to the cap 2, a heat-dissipation cylinder 5 is connected on the outer wall of one side of the insulating protective layer 4 through glue adhesion, a rubber protective sleeve 6 is connected on the outer wall of one side of the heat-dissipation cylinder 5 far away from the insulating protective layer 4 through glue adhesion, a heat-dissipation sheet 7 is connected at the position of one side of the outer wall of one side of the insulating protective layer 4 close to the heat-dissipation cylinder 5 through glue adhesion, a heat-absorption plate 8 is welded on the inner wall of one side of the heat-dissipation cylinder 5, a fixed seat 9 is welded on the outer wall of one side of the heat-absorption, the outer wall of one side of the fixed seat 9 is fixedly connected with a second one-way valve 12 through a bolt, the inner wall of one side of the first one-way valve 11 is rotatably connected with a first baffle 13 through a rotating shaft, a first spring 14 is welded between the first baffle 13 and the first one-way valve 11, a first limiting block 15 is welded at a position, close to the lower part of the first baffle 13, on the inner wall of one side of the first one-way valve 11, a second baffle 16 is rotatably connected through a rotating shaft on the inner wall of one side of the second one-way valve 12, a second spring 17 is welded between the second baffle 16 and the second one-way valve 12, and a second limiting block 18 is welded between the second baffle 16 and the second spring 17, close to the inner wall of one side of the second.

The utility model discloses in: the radiating fins 7 penetrate through the rubber protective sleeve 6; the heat generated by the working of the lithium battery can be conveniently dissipated through the radiating fins 7, and the radiating effect is achieved.

The utility model discloses in: the number of the elastic air bags 10 is two, and the two elastic air bags 10 are symmetrically arranged on the outer wall of the fixed seat 9; the bidirectional exhaust heat dissipation is convenient to realize.

The utility model discloses in: the fixed seat 9 is of a hollow structure, and the second one-way valve 12 penetrates through the rubber protective sleeve 6; facilitating the entry of air into the holder 9, and thus into the elastic bladder 10, through the second one-way valve 12.

The utility model discloses in: the elastic air bag 10 is made of elastic materials; ensuring that the elastic air bag 10 has certain elastic deformation capacity.

The utility model discloses in: the first baffle 13 and the second baffle 16 are both in a semicircular structure; blocking of the first check valve 11 and the second check valve 12 is facilitated.

The working principle is as follows: when the lithium battery is used, the heat dissipation cylinder 5 is connected to the insulating protection layer 4 through glue adhesion, the rubber protection sleeve 6 is sleeved on the heat dissipation cylinder 5, the self heat dissipation of the lithium battery body 1 is realized through the heat dissipation cylinder 5, when the lithium battery body 1 works and supplies power, the lithium battery body 1 generates heat by self when supplying power, the heat generated by the lithium battery body 1 is dissipated through the heat dissipation sheet 7, the primary heat dissipation of the lithium battery body 1 is realized, along with the rise of the self temperature of the lithium battery body 1, the heat is absorbed and transmitted into the elastic air bag 10 by the heat absorption plate 8, the air pressure in the elastic air bag 10 is increased, the air volume in the elastic air bag 10 is increased, when the air pressure in the elastic air bag 10 is larger than the elastic force of the first spring 14, the first baffle 13 rotates in the first check valve 11, the hot air in the elastic air bag 10 flows out through the gap between the first baffles 13, atmospheric pressure descends, outside air pressure is greater than the air pressure in the elasticity gasbag 10, outside air extrudees second baffle 16 and second spring 17, outside air gets into in the elasticity gasbag 10 after the fixing base 9, inhale through the autonomic cold air with hot-air exhaust of elasticity gasbag 10, the air flow in the elasticity gasbag 10 can be realized, and then the air that can send the lithium cell through flowing dispels the heat, realize the self-cooling, guarantee that the lithium cell is in work under the lower temperature state, guarantee the security of lithium cell during operation, the life of extension lithium cell repeated charge-discharge.

In summary, the following steps: this lithium cell with from heat radiation structure, it inhales hot-air exhaust cold air independently through elasticity gasbag 10, can realize that the air in the elasticity gasbag 10 flows, and then the heat that can send the lithium cell through the air that flows is effused, realize from the heat dissipation, guarantee that the lithium cell is in work under the lower temperature state, guarantee the security of lithium cell during operation, the life of extension lithium cell repeated charge and discharge, in addition, through the absorber plate 8 that runs through, can scatter and disappear to the air with the heat that the lithium cell produced, and then realize the further heat dissipation of lithium cell, improve radiating effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium cell with from heat radiation structure, includes lithium cell body (1), its characterized in that: the lithium battery comprises a lithium battery body (1), a cover cap (2) is connected to the top of the lithium battery body (1) through glue adhesion, an electrode column (3) is welded to the position of the center of the top of the cover cap (2), an insulating protective layer (4) is sleeved on the outer wall of one side, adjacent to the cover cap (2), of the lithium battery body (1), a heat dissipation cylinder (5) is connected to the outer wall of one side of the insulating protective layer (4) through glue adhesion, a rubber protective sleeve (6) is connected to the outer wall of one side, far away from the insulating protective layer (4), of the heat dissipation cylinder (5) on the outer wall of one side of the insulating protective layer (4), a heat dissipation fin (7) is connected to the position of one side, close to the heat dissipation cylinder (5), of the outer wall of one side of the heat dissipation cylinder (5), a heat absorption plate (8) is welded to, the top of the fixing seat (9) is connected with an elastic air bag (10) through glue adhesion, the top of the elastic air bag (10) is fixedly connected with a first one-way valve (11) through a bolt, the outer wall of one side of the fixing seat (9) is fixedly connected with a second one-way valve (12) through a bolt, the inner wall of one side of the first one-way valve (11) is rotatably connected with a first baffle (13) through a rotating shaft, a first spring (14) is welded between the first baffle (13) and the first one-way valve (11), a first limiting block (15) is welded on the inner wall of one side of the first one-way valve (11) at a position close to the lower part of the first baffle (13), a second baffle (16) is rotatably connected on the inner wall of one side of the second one-way valve (12) through a rotating shaft, and a second spring (17) is welded between the second baffle (16) and the second, and a second limiting block (18) is welded on the inner wall of one side of the second one-way valve (12) and is close to the position between the second baffle (16) and the second spring (17).

2. A lithium battery having a self-heat-dissipating structure as claimed in claim 1, wherein: the radiating fins (7) penetrate through the rubber protective sleeve (6).

3. A lithium battery having a self-heat-dissipating structure as claimed in claim 1, wherein: the number of the elastic air bags (10) is two, and the two elastic air bags (10) are symmetrically arranged on the outer wall of the fixed seat (9).

4. A lithium battery having a self-heat-dissipating structure as claimed in claim 1, wherein: the fixing seat (9) is of a hollow structure, and the second one-way valve (12) penetrates through the rubber protective sleeve (6).

5. A lithium battery having a self-heat-dissipating structure as claimed in claim 1, wherein: the elastic air bag (10) is made of elastic materials.

6. A lithium battery having a self-heat-dissipating structure as claimed in claim 1, wherein: the first baffle (13) and the second baffle (16) are both of semicircular structures.