CN216354542U

CN216354542U - Lithium battery with efficient heat dissipation structure

Info

Publication number: CN216354542U
Application number: CN202220536835.9U
Authority: CN
Inventors: 朱建; 王磊
Original assignee: Hunan University
Current assignee: Hunan University
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-04-19
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a lithium battery with an efficient heat dissipation structure, which comprises an outer shell, a lithium battery component and a damping component, wherein the lithium battery component is arranged in an inner cavity of the outer shell; still include radiator unit, radiator unit installs in the shell body lateral wall, radiator unit includes first sheetmetal, second sheetmetal and radiating fin, first sheetmetal hugs closely in the shell body outer wall, the second sheetmetal symmetry sets up in the first sheetmetal outside, just radiating fin installs between first sheetmetal and second sheetmetal, a plurality of heat dissipation through-holes of first sheetmetal and second sheetmetal surface equipartition. The lithium battery has a simple structure and excellent heat dissipation performance, and ensures the use safety of the lithium battery.

Description

Lithium battery with efficient heat dissipation structure

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery with a high-efficiency heat dissipation structure.

Background

The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, unlike a lithium ion battery, which is a rechargeable battery, and a lithium ion polymer battery. The inventor of lithium batteries was edison. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. Therefore, lithium batteries have not been used for a long time. With the development of microelectronic technology at the end of the twentieth century, miniaturized devices are increasing, and high requirements are made on power supplies. The lithium battery has then entered a large-scale practical stage.

The current lithium battery has good safety, but the heat dissipation effect is general, which affects the service life of the lithium battery, therefore, the improvement is necessary.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a lithium battery with a high-efficiency heat dissipation structure, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a lithium battery with a high-efficiency heat dissipation structure comprises an outer shell, a lithium battery component and a damping component, wherein the lithium battery component is arranged in an inner cavity of the outer shell;

still include radiator unit, radiator unit installs in the shell body lateral wall, radiator unit includes first sheetmetal, second sheetmetal and radiating fin, first sheetmetal hugs closely in the shell body outer wall, the second sheetmetal symmetry sets up in the first sheetmetal outside, just radiating fin installs between first sheetmetal and second sheetmetal, a plurality of heat dissipation through-holes of first sheetmetal and second sheetmetal surface equipartition.

Preferably, the lithium battery with high-efficient heat radiation structure that this application provided, wherein, lithium battery component includes lithium cell casing, cathode material, anodal terminal, negative terminal and diaphragm, the inside upper end fixed connection diaphragm of lithium cell casing, the diaphragm both sides are equipped with cathode terminal, negative terminal respectively, cathode terminal run through lithium cell casing's epitheca and extend to the shell body outside, cathode terminal lower extreme fixed connection cathode material, inside electrolyte that still fills of lithium cell casing.

Preferably, the lithium cell with high-efficient heat radiation structure that this application provided, wherein, damper assembly includes first installation piece, second installation piece and the multiunit damping spring body, first installation piece is installed in the shell body inside wall, the second installation piece is installed in lithium cell casing lateral wall, multiunit the damping spring body is installed between first installation piece, second installation piece.

Preferably, the lithium battery with the efficient heat dissipation structure provided by the application, wherein the heat dissipation fins are in a W-shaped structure.

Compared with the prior art, the utility model has the beneficial effects that: the lithium battery has a simple structure and excellent heat dissipation performance, and ensures the use safety of the lithium battery; the adopted damping assembly has good damping effect, and the multiple groups of damping spring bodies can absorb impact force and reduce the impact on the lithium battery assembly once severe vibration occurs; the adopted heat dissipation assembly can uniformly dissipate heat, wherein the heat dissipation fins are of a W-shaped structure, so that the heat dissipation area can be increased, the heat dissipation uniformity is improved, and the service life of the lithium battery is further prolonged.

Drawings

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

FIG. 2 is a schematic view of a heat dissipation assembly according to the present invention;

in the figure: the lithium battery comprises an outer shell 1, a lithium battery shell 2, a positive electrode material 3, a negative electrode material 4, a positive electrode terminal 5, a negative electrode terminal 6, a diaphragm 7, electrolyte 8, a damping assembly 9, a first mounting sheet 10, a second mounting sheet 11, a damping spring body 12, a heat dissipation assembly 13, a first metal sheet 14, a second metal sheet 15 and heat dissipation fins 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a lithium battery with a high-efficiency heat dissipation structure comprises an outer shell 1, a lithium battery component and a damping component, wherein the lithium battery component is arranged in an inner cavity of the outer shell 1, and the damping component 9 is arranged between the outer shell 1 and the lithium battery component;

still include radiator unit 13, radiator unit 13 installs in 1 lateral wall of shell body, radiator unit 13 includes first sheetmetal 14, second sheetmetal 15 and radiating fin 16, first sheetmetal 14 hugs closely in the shell body outer wall, second sheetmetal 15 symmetry sets up in the first sheetmetal outside, just radiating fin 16 installs between first sheetmetal 14 and second sheetmetal 15, a plurality of heat dissipation through-holes of

first sheetmetal

14 and 15 surface equipartitions of second sheetmetal, radiating fin 16 is W type structure. The radiating fins are of W-shaped structures, so that the radiating area can be increased, the radiating uniformity is improved, and the service life of the lithium battery is further prolonged.

The lithium battery component comprises a lithium battery shell 2, a positive electrode material 3, a negative electrode material 4, a positive electrode terminal 5, a negative electrode terminal 6 and a diaphragm 7, wherein the diaphragm 7 is fixedly connected to the upper end inside the lithium battery shell 2, the positive electrode terminal 5 and the negative electrode terminal 6 are respectively arranged on two sides of the diaphragm 7, the positive electrode terminal 5 and the negative electrode terminal 6 penetrate through the upper shell of the lithium battery shell 2 and extend to the outer side of the outer shell 1, the positive electrode material 3 is fixedly connected to the lower end of the positive electrode terminal 5, the negative electrode material 4 is fixedly connected to the lower end of the negative electrode terminal 6, and an electrolyte 8 is further filled inside the lithium battery shell 2.

In the utility model, the damping assembly 9 comprises a first mounting piece 10, a second mounting piece 11 and a plurality of groups of damping spring bodies 12, wherein the first mounting piece 10 is mounted on the inner side wall of the outer shell 1, the second mounting piece 11 is mounted on the outer side wall of the lithium battery shell 2, and the plurality of groups of damping spring bodies 12 are mounted between the first mounting piece 10 and the second mounting piece 11. Wherein, the damper assembly shock attenuation of adoption is effectual, sets up multiunit damping spring body, can absorb the impact force, in case when violent vibrations appear, can reduce the impact that lithium battery pack received.

In conclusion, the lithium battery has a simple structure, has excellent heat dissipation performance, and ensures the use safety of the lithium battery; the adopted damping component has a good damping effect and can reduce the impact on the lithium battery component; the adopted heat dissipation assembly can dissipate heat uniformly, and the service life of the lithium battery is further prolonged.

The utility model is not described in detail, but is well known to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lithium cell with high-efficient heat radiation structure which characterized in that: the lithium battery pack comprises an outer shell (1), a lithium battery pack and a damping assembly, wherein the lithium battery pack is arranged in an inner cavity of the outer shell (1), and the damping assembly (9) is arranged between the outer shell (1) and the lithium battery pack;

still include radiator unit (13), radiator unit (13) are installed in shell body (1) lateral wall, radiator unit (13) include first sheetmetal (14), second sheetmetal (15) and radiating fin (16), first sheetmetal (14) hug closely in the shell body outer wall, second sheetmetal (15) symmetry sets up in the first sheetmetal outside, just radiating fin (16) are installed between first sheetmetal (14) and second sheetmetal (15), a plurality of radiating through-holes of first sheetmetal (14) and second sheetmetal (15) surface equipartition.

2. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 1, wherein: the lithium battery pack comprises a lithium battery shell (2), a positive electrode material (3), a negative electrode material (4), a positive electrode terminal (5), a negative electrode terminal (6) and a diaphragm (7), wherein the upper end of the inside of the lithium battery shell (2) is fixedly connected with the diaphragm (7), the two sides of the diaphragm (7) are respectively provided with the positive electrode terminal (5) and the negative electrode terminal (6), the positive electrode terminal (5) and the negative electrode terminal (6) penetrate through an upper shell of the lithium battery shell (2) and extend to the outer side of the shell body (1), the lower end of the positive electrode terminal (5) is fixedly connected with the positive electrode material (3), the lower end of the negative electrode terminal (6) is fixedly connected with the negative electrode material (4), and electrolyte (8) is filled in the lithium battery shell (2).

3. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 1, wherein: damper (9) include first installation piece (10), second installation piece (11) and multiunit damping spring body (12), install in shell body (1) inside wall first installation piece (10), install in lithium cell casing (2) lateral wall second installation piece (11), the multiunit damping spring body (12) are installed between first installation piece (10), second installation piece (11).

4. The lithium battery with a high-efficiency heat dissipation structure as recited in claim 1, wherein: the radiating fins (16) are of a W-shaped structure.