CN215955382U

CN215955382U - High temperature resistant lithium cell group

Info

Publication number: CN215955382U
Application number: CN202121977847.7U
Authority: CN
Inventors: 张妍
Original assignee: Shenzhen Lijie Tianyuan Technology Co ltd
Current assignee: Shenzhen Lijie Tianyuan Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-04
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of lithium battery packs, and discloses a high-temperature-resistant lithium battery pack which comprises a shell and a battery main body, wherein the battery main body is positioned inside the shell, a silica gel pad is fixedly arranged on the inner side wall of the shell, air cavities are formed in the side wall and the bottom of the shell, heat conduction pipes are arranged inside the air cavities, one ends of the heat conduction pipes extend into the shell and are in contact with the silica gel pad, a sleeve is arranged at the bottom of the shell, a fan is fixedly arranged inside the sleeve, air outlet holes are formed in the left side and the right side of the top of the shell, and a pressing mechanism used for fixing the battery main body is arranged at the top of the shell. The utility model has good heat transfer effect, and improves the high temperature resistance of the lithium battery pack, thereby ensuring the service life of the lithium battery pack.

Description

High temperature resistant lithium cell group

Technical Field

The utility model relates to the technical field of lithium battery packs, in particular to a high-temperature-resistant lithium battery pack.

Background

With the increasing shortage of energy sources, lithium battery packs are widely applied in various fields. Lithium battery packs in the current market are all rectangular or square, and a whole lithium battery pack is placed in an inner space. When the lithium battery is used, more heat can be generated, and potential safety hazards can be brought if the heat cannot be timely discharged. Therefore, the utility model provides a high-temperature-resistant lithium battery pack.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that lithium batteries in the prior art generate more heat and potential safety hazards are caused if the heat cannot be discharged in time, and provides a high-temperature-resistant lithium battery pack.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high temperature resistant lithium cell group, includes casing and battery main part, battery main part is located the inside of casing, the fixed silica gel pad that is equipped with of inside wall of casing, the lateral wall and the bottom of casing are provided with wind chamber, and the inside in wind chamber is provided with the heat pipe, the one end of heat pipe extends to the inside of casing and sets up with the contact of silica gel pad, the bottom of casing is provided with the sleeve pipe, the inside fixed fan that is equipped with of sheathed tube, the exhaust vent has all been seted up to the top left and right sides of casing, the top of casing is equipped with and is used for the hold-down mechanism fixed with battery main part.

Preferably, the pressing mechanism comprises a fixing plate and a pressing plate, the fixing plate is longitudinally positioned at the top of the shell, two sides of the fixing plate are fixedly connected with the shell through bolts, the pressing plate is longitudinally fixedly arranged on the lower surface of the fixing plate, and the lower surface of the pressing plate is abutted to the top of the battery body.

Preferably, the heat conduction pipe is made of aluminum material, and the pipe wall of the heat conduction pipe is provided with a vent hole.

Preferably, the inside of the air outlet is fixedly provided with a separation net.

Preferably, supporting legs are fixedly arranged at four corners of the bottom of the shell.

Preferably, the sleeve is connected with the shell in a threaded mode.

Compared with the prior art, the utility model provides a high-temperature-resistant lithium battery pack which has the following beneficial effects:

1. this high temperature resistant lithium cell group, through setting up the silica gel pad in the casing is inside, the heat pipe, the sleeve pipe, advance fan and exhaust vent, the silica gel pad is direct and the contact of battery subject, when battery subject's surface produced heat, can directly be with heat transfer to silica gel pad, silica gel pad retransfers to the heat pipe, thereby can be quick derive the surface heat with battery subject, simultaneously advance the fan with outside air current blow to the heat pipe and discharge its surperficial heat from the exhaust vent, the heat transfer effect of heat pipe has been improved.

2. This high temperature resistant lithium cell group through fixed plate, clamp plate and the bolt that is equipped with, can avoid it to appear placing unstable phenomenon with the firm inside that compresses tightly at the casing of battery subject.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, the heat transfer effect of the utility model is good, and the high temperature resistance of the lithium battery pack is improved, thereby ensuring the service life of the lithium battery pack.

Drawings

Fig. 1 is a schematic structural diagram of a high temperature resistant lithium battery pack according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a schematic structural view of the fixing plate, the pressing plate and the bolt in fig. 1.

In the figure: the solar battery comprises a shell 1, a battery body 2, a silica gel pad 3, a heat conduction pipe 4, a sleeve 5, a fan 6, an air outlet 7, a fixing plate 8, a pressing plate 9, a bolt 10, a vent hole 11, a separation net 12 and a supporting leg 13.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a high temperature resistant lithium battery pack, including casing 1 and battery main body 2, battery main body 2 is located the inside of casing 1, the fixed silica gel pad 3 that is equipped with of inside wall of casing 1, the lateral wall and the bottom of casing 1 are provided with the wind chamber, and the inside in wind chamber is provided with heat pipe 4, the one end of heat pipe 4 extends to the inside of casing 1 and sets up with the contact of silica gel pad 3, the bottom of casing 1 is provided with sleeve pipe 5, the inside of sleeve pipe 5 is fixed and is equipped with into fan 6, exhaust vent 7 has all been seted up to the top left and right sides of casing 1, the top of casing 1 is equipped with and is used for the hold-down mechanism fixed with battery main body 2.

Hold-down mechanism includes fixed plate 8 and clamp plate 9, and fixed plate 8 is that the top and both sides that vertically are located casing 1 all through bolt 10 and casing 1 fixed connection, and clamp plate 9 is vertical fixed the setting in the lower surface of fixed plate 8, and the lower surface of clamp plate 9 offsets with the top of battery main part 2 and sets up.

The heat conduction pipe 4 is made of aluminum material, and the wall of the heat conduction pipe 4 is provided with a vent hole 11, so that the effective contact area between the gas and the heat conduction pipe 4 can be increased.

The inside of exhaust vent 7 is fixed to be equipped with and separates net 12, can avoid impurity to enter into the inside of exhaust vent 7.

Supporting legs 13 are fixedly arranged at four corners of the bottom of the casing 1, so that the bottom of the casing 1 can be supported by a certain height, and the air entering fan 6 exhausts the external air into the air cavity.

The sleeve 5 is connected with the shell 1 in a threaded mode, so that the air inlet fan 6 in the sleeve 5 can be conveniently detached.

In the utility model, when the lithium battery pack is used, the battery body 2 is placed in the shell 1, the fixing plate 8 and the pressing plate 9 are placed at the top of the shell 1, the battery body 2 is tightly pressed and fixed in the shell 1 through the bolts 10, when the battery body 2 is placed in the shell 1, the silica gel pad 3 is directly contacted with the battery body 1, when heat is generated on the surface of the battery body 2, the heat can be directly transferred to the silica gel pad 3, the silica gel pad 3 is transferred to the heat conduction pipe 4, so that the surface heat of the battery body 2 can be rapidly conducted out, meanwhile, the air inlet fan 6 blows external air flow to the heat conduction pipe 4 and discharges the heat on the surface of the heat conduction pipe 4 from the air outlet 7, the heat transfer effect of the heat conduction pipe 4 is improved, and the high-temperature resistance of the lithium battery pack is further improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a high temperature resistant lithium cell group, includes casing (1) and battery main part (2), its characterized in that, battery main part (2) are located the inside of casing (1), the inside wall of casing (1) is fixed to be equipped with silica gel pad (3), the lateral wall and the bottom of casing (1) are provided with the wind chamber, and the inside in wind chamber is provided with heat pipe (4), the one end of heat pipe (4) extends to the inside of casing (1) and sets up with silica gel pad (3) contact, the bottom of casing (1) is provided with sleeve pipe (5), the inside of sleeve pipe (5) is fixed to be equipped with into fan (6), exhaust vent (7) have all been seted up to the top left and right sides of casing (1), the top of casing (1) is equipped with and is used for the hold-down mechanism fixed with battery main part (2).

2. The high-temperature-resistant lithium battery pack according to claim 1, wherein the compressing mechanism comprises a fixing plate (8) and a pressing plate (9), the fixing plate (8) is longitudinally located at the top of the casing (1), both sides of the fixing plate are fixedly connected with the casing (1) through bolts (10), the pressing plate (9) is longitudinally and fixedly arranged on the lower surface of the fixing plate (8), and the lower surface of the pressing plate (9) is abutted to the top of the battery body (2).

3. The lithium battery pack with high temperature resistance according to claim 1, wherein the heat conducting pipe (4) is made of aluminum material, and the wall of the heat conducting pipe (4) is provided with ventilation holes (11).

4. The lithium battery pack with high temperature resistance according to claim 1, wherein the inside of the air outlet (7) is fixedly provided with a separation net (12).

5. The lithium battery pack with high temperature resistance according to claim 1, wherein supporting legs (13) are fixedly arranged at four corners of the bottom of the shell (1).

6. The lithium battery pack with high temperature resistance according to claim 1, wherein the sleeve (5) is connected with the shell (1) in a threaded manner.