CN212209603U

CN212209603U - Lithium ion power battery with heat radiation structure

Info

Publication number: CN212209603U
Application number: CN202021156068.6U
Authority: CN
Inventors: 黄守云; 黄征平
Original assignee: Shenzhen Hongwei High Energy Technology Co ltd
Current assignee: Shenzhen Hongwei High Energy Technology Co ltd
Priority date: 2020-06-21
Filing date: 2020-06-21
Publication date: 2020-12-22
Anticipated expiration: 2030-06-21

Abstract

The utility model discloses a lithium ion power battery with a heat dissipation structure, which comprises a support plate and a lithium ion power battery body, wherein a battery protection shell is arranged on the upper surface of the support plate in a sliding way, the lithium ion power battery body is fixedly connected on the upper surface of the support plate and is positioned inside the battery protection shell, two groups of fans are symmetrically arranged at the top of the battery protection shell, a temperature control switch is fixedly arranged on the inner wall of the battery protection shell, the temperature control switch is electrically connected with the fans, the battery protection shell comprises a first shell and a second shell, fixed ear plates are fixedly arranged on both sides of the first shell and the second shell, two adjacent groups of fixed ear plates are fixedly connected through bolts, heat dissipation holes are equidistantly arranged on one side of the first shell and one side of the second shell, and the heat dissipation holes are arranged in an inclined structure with the first shell and the second shell, the fluidity of wind power is increased, and the air inside and outside the battery protective shell flows more smoothly.

Description

Lithium ion power battery with heat radiation structure

Technical Field

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

Background

The lithium ion battery is a secondary battery which works by depending on the migration of lithium ions between a positive electrode and a negative electrode, has higher energy density and is a secondary battery with large capacity and high efficiency; however, the use of the lithium ion battery is also affected by the problem of heat generation of the lithium ion battery during operation, the electrolyte in the lithium ion battery is mostly the electrolyte of an organic solvent system, the organic solvent can be decomposed to generate gas under a high-temperature environment, and the generated bad gas is continuously accumulated in the lithium ion battery, so that not only can the performance of the lithium ion battery be reduced, but also the lithium ion battery can be bulged, even can be broken and exploded, and great potential safety hazards are brought, and therefore, the heat dissipation performance of the lithium ion battery needs to be improved.

In the prior art, the heat dissipation of the lithium ion battery is realized in a heat conduction mode of a battery main body, namely, the heat is transferred from inside to outside of the battery, the heat generated in the charging and discharging process of the battery is conducted to the surface of the battery, the heat dissipation structure is simple, and the heat dissipation mode is passive, so that the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion power battery with heat radiation structure, the mobility of increase wind-force makes the inside and outside air flow of battery protecting crust more smooth and easy to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a lithium ion power battery with a heat dissipation structure comprises a supporting plate and a lithium ion power battery body, wherein a battery protection shell is slidably mounted on the upper surface of the supporting plate, the lithium ion power battery body is fixedly connected to the upper surface of the supporting plate and located inside the battery protection shell, two groups of fans are symmetrically arranged at the top of the battery protection shell, a temperature control switch is fixedly mounted on the inner wall of the battery protection shell, and the temperature control switch is electrically connected with the fans;

the battery protection shell comprises a first shell and a second shell, wherein fixed lug plates are fixedly mounted on two sides of the first shell and two sides of the second shell, the fixed lug plates are adjacent to each other and are fixedly connected through bolts, heat dissipation holes are formed in one side of the first shell and one side of the second shell at equal intervals, and the heat dissipation holes are arranged in an inclined structure with the first shell and the second shell.

Preferably, a T-shaped sliding groove is formed in the supporting plate, sliding blocks are arranged on one sides of the first shell and the second shell, and the sliding blocks are in clearance fit with the T-shaped sliding grooves.

Preferably, two sets of the fans are fixedly installed at the tops of the first shell and the second shell respectively.

Preferably, the top of the first shell and the top of the second shell are respectively provided with a through hole at the fan mounting position.

Preferably, a connecting plate is fixedly mounted on one side of the inner wall of the first shell, and the temperature control switch is fixedly mounted on one side of the inner wall of the first shell through the connecting plate.

Preferably, threaded holes are formed in the two adjacent groups of the fixed ear plates.

Compared with the prior art, the beneficial effects of the utility model are that:

set up the temperature control switch in the battery protective housing, utilize temperature control switch control fan to open and stop, carry out active control to the temperature in the battery protective housing, start the louvre cooperation that fan and slope were seted up, take out the heat in the battery protective housing, contrast exhaust fan, the mobility of increase wind-force makes the inside and outside air flow of battery protective housing more smooth and easy.

Drawings

Fig. 1 is a schematic sectional view of a lithium ion power battery with a heat dissipation structure according to the present invention;

fig. 2 is a schematic side view of a lithium ion power battery with a heat dissipation structure according to the present invention;

fig. 3 is a schematic top view of the lithium ion power battery with a heat dissipation structure according to the present invention.

In the figure: 1. a support plate; 101. a T-shaped chute; 2. a lithium ion power battery body; 3. a battery protective case; 301. a first housing; 302. a second housing; 303. fixing the ear plate; 304. heat dissipation holes; 305. a slider; 4. a fan; 5. a temperature control switch; 6. a through hole; 7. a connecting plate; 8. a threaded bore.

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. 1-3, the present invention provides a technical solution:

the utility model provides a lithium ion power battery with heat radiation structure, including layer board 1 and lithium ion power battery body 2, surface sliding installs battery protecting crust 3 on layer board 1, T type spout 101 has been seted up in layer board 1, first casing 301 and second casing 302 one side all are provided with slider 305, slider 305 and T type spout 101 clearance fit utilize slider 305 and T type spout 101 clearance fit, with bolted connection's fixed otic placode 303 cooperation, to layer board 1 and battery protecting crust 3's connection, and the dismouting is convenient.

The battery protection shell 3 comprises a first shell 301 and a second shell 302, fixed lug plates 303 are fixedly mounted on two sides of the first shell 301 and the second shell 302, two adjacent groups of fixed lug plates 303 are fixedly connected through bolts, threaded holes 8 are formed in two adjacent groups of fixed lug plates 303, heat dissipation holes 304 are formed in one sides of the first shell 301 and the second shell 302 at equal distances, the heat dissipation holes 304 are arranged in an inclined structure with the first shell 301 and the second shell 302, the heat dissipation holes 304 are formed in an inclined mode, and air is guided.

Lithium ion power battery body 2 fixed connection just is located inside 3 battery protecting crust in layer board 1 upper surface, 3 top symmetries of battery protecting crust are provided with two sets of

fans

4, 3 inner wall fixed mounting of battery protecting crust have temperature control switch 5, first casing 301 inner wall one side fixed mounting has connecting plate 7, temperature control switch 5 passes through connecting plate 7 fixed mounting in first casing 301 inner wall one side, temperature control switch 5 and fan 4 electric connection, two sets of fans 4 are fixed mounting respectively in first casing 301 and second casing 302 top, first casing 301 and second casing 302 top are located fan 4 mounted position respectively and have seted up through-hole 6.

The structure principle is as follows: when the lithium ion power battery is used, the lithium ion power battery body 2 is fixed on the upper surface of the supporting plate 1, the first shell 301 and the second shell 302 slide into the supporting plate 1 along the T-shaped sliding grooves 101 on the two sides respectively to realize clamping and fixing, and then the two groups of adjacent fixing lug plates 303 are connected and fixed by bolts;

set up temperature control switch 5 in battery protecting crust 3, utilize temperature control switch 5 control fan 4 to open and stop, temperature to in the battery protecting crust 3 carries out active control, start fan 4 and blow to battery protecting crust 3 inside, with the cooperation of the louvre 304 that the slope was seted up, form the circulation of air, take out the heat in the battery protecting crust 3, only utilize the induced draft fan heat dissipation among the contrast prior art, the mobility of air has been increased, it is more smooth and easy to make the inside and outside air flow of battery protecting crust 3, and increase the effect that temperature control switch 5 realized the heat dissipation function of active control.

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 ion power battery with heat radiation structure, includes layer board (1) and lithium ion power battery body (2), its characterized in that: a battery protection shell (3) is slidably mounted on the upper surface of the supporting plate (1), the lithium ion power battery body (2) is fixedly connected to the upper surface of the supporting plate (1) and is located inside the battery protection shell (3), two groups of fans (4) are symmetrically arranged at the top of the battery protection shell (3), a temperature control switch (5) is fixedly mounted on the inner wall of the battery protection shell (3), and the temperature control switch (5) is electrically connected with the fans (4);

battery protective housing (3) includes first casing (301) and second casing (302), the equal fixed mounting in first casing (301) and second casing (302) both sides has fixed otic placode (303), and is adjacent two sets of through bolt fixed connection between fixed otic placode (303), first casing (301) and second casing (302) one side are equalling apart from having seted up louvre (304), all be the slope structure setting between louvre (304) and first casing (301) and second casing (302).

2. The lithium-ion power battery with the heat dissipation structure according to claim 1, wherein: t-shaped sliding grooves (101) are formed in the supporting plate (1), sliding blocks (305) are arranged on one sides of the first shell (301) and the second shell (302), and the sliding blocks (305) are in clearance fit with the T-shaped sliding grooves (101).

3. The lithium-ion power battery with the heat dissipation structure according to claim 1, wherein: and the two groups of fans (4) are fixedly arranged at the tops of the first shell (301) and the second shell (302) respectively.

4. The lithium-ion power battery with the heat dissipation structure according to claim 1, wherein: the top parts of the first shell (301) and the second shell (302) are respectively positioned at the installation position of the fan (4) and provided with through holes (6).

5. The lithium-ion power battery with the heat dissipation structure according to claim 1, wherein: first casing (301) inner wall one side fixed mounting has connecting plate (7), temperature control switch (5) pass through connecting plate (7) fixed mounting in first casing (301) inner wall one side.

6. The lithium-ion power battery with the heat dissipation structure according to claim 1, wherein: and threaded holes (8) are formed in the two adjacent groups of fixed ear plates (303).