CN210167480U

CN210167480U - Lithium battery cell with good heat dissipation effect and protection function

Info

Publication number: CN210167480U
Application number: CN201921190078.9U
Authority: CN
Inventors: 胡磊; 张婷; 吴万进
Original assignee: Runyuan Construction Development Co Ltd
Current assignee: Runyuan Construction Development Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-03-20
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a lithium battery cell with good heat dissipation effect and protection function in the technical field of lithium batteries, an inner cavity of a cell shell is provided with a cell body, a left side wall of the cell shell is provided with a front baffle, a right side wall of the cell shell is provided with a rear baffle, two heat dissipation fans are installed on the inner wall of the front baffle, a heat dissipation aluminum plate is inserted between the cell bodies, a liquid cooling pipe is arranged on the surfaces of two ends of the cell body and is attached to the cell body, a buffer strip is slidingly embedded on the surface of the shock absorption shell, the side wall of the buffer strip is equidistantly provided with elastic buffer blocks, two buffer columns are symmetrically arranged on the side wall of the other side of the buffer strip, the buffer columns are slidingly inserted in the inner cavity of a shock absorption sleeve, the other end of the shock absorption spring is fixedly connected with the inner wall of the shock absorption sleeve, and the service life of the lithium battery cell is prolonged.

Description

Lithium battery cell with good heat dissipation effect and protection function

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell electricity core that radiating effect is good and has protect function.

Background

The "lithium battery" is a kind of battery using non-aqueous electrolyte solution and using lithium metal or lithium alloy as negative electrode material, and the cell refers to a single electrochemical cell containing positive and negative electrodes, and is not generally used directly. The battery is different from a battery which comprises a protection circuit and a shell and can be directly used.

Lithium battery cell can produce higher heat at the during operation, if not in time dispel the heat, can lead to the component damage in it, and current lithium battery cell does not all have protect function, can increase use cost because the striking leads to the damage of component, for this reason, we propose a radiating effect has protect function's lithium battery cell well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell electricity core that radiating effect is good has protect function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery cell with good heat dissipation effect and protection function comprises a cell shell, wherein a cell body is arranged in an inner cavity of the cell shell, a front baffle is arranged on the left side wall of the cell shell, a rear baffle is arranged on the right side wall of the cell shell, two heat dissipation fans are installed on the inner wall of the front baffle, a heat dissipation aluminum plate is inserted between the cell bodies, a heat conduction silica gel gasket is arranged in the inner cavity of the cell shell and wraps the outer wall of a liquid cooling pipe, the liquid cooling pipe is arranged on the two end surfaces of the cell body and is attached to the two end surfaces of the cell body, the outer wall of the cell shell is fixedly connected with a damping shell through locking screws, a buffer strip is embedded in the surface of the damping shell in a sliding manner, elastic buffer blocks are arranged on the side wall of the buffer strip at equal intervals, two buffer columns are symmetrically arranged on the side, and one end of the buffer column is fixedly connected with the damping spring, and the other end of the damping spring is fixedly connected with the inner wall of the damping sleeve.

Furthermore, the elastic buffer blocks are of square structures, and 3-4 elastic buffer blocks are arranged.

Further, the shock attenuation shell is the cuboid concave type structure of adaptation and electric core shell outer wall, just the spout has been seted up to the shock attenuation shell inner wall, the mounting hole has been seted up at the shock attenuation shell both ends.

Further, cell shell lateral wall four corners department is provided with arc connecting portion, the arc connecting portion outside is provided with the block rubber, the block rubber is the arc structure.

Further, the inner wall of the battery cell shell is provided with a heat dissipation plate, the side wall of the heat dissipation plate is in close contact with the outer wall of the liquid cooling pipe, and a buffer material is filled in the interlayer between the heat dissipation plate and the inner cavity of the battery cell shell.

Furthermore, the front baffle and the rear baffle are both provided with mounting openings and wire holes.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, reasonable in design, the setting of radiator fan and liquid cooling pipe can realize the effect of forced air cooling and liquid cooling simultaneously, dispels the heat and cools down to electric core body fast, guarantees the normal work of electric core body, is provided with shock attenuation buffer gear at electric core shell outer wall simultaneously, and the impact that electric core shell received can effectively be reduced to the use of elastic buffer piece and block rubber to electric core body has been protected, cost of maintenance has been reduced, has prolonged the life of electric core body.

Drawings

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

fig. 2 is an enlarged schematic view of the structure at a position a of the present invention.

In the figure: 1. a cell shell; 2. a cell body; 3. a front baffle; 4. a heat radiation fan; 5. a tailgate; 6. a heat dissipation aluminum plate; 7. a heat-conducting silica gel gasket; 8. a liquid-cooled tube; 9. a shock-absorbing housing; 10. a buffer strip; 11. an elastic buffer block; 12. a buffer column; 13. a shock-absorbing sleeve; 14. a damping spring; 15. a heat dissipation plate; 16. an arc-shaped connecting part; 17. a rubber block.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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.

The utility model provides a lithium battery cell with good heat dissipation effect and protection function, which has the advantages of good heat dissipation effect and protection function for the lithium battery cell, please refer to fig. 1 and 2, and comprises a cell shell 1, a cell body 2, a front baffle 3, a cooling fan 4, a rear baffle 5, a cooling aluminum plate 6, a heat-conducting silica gel gasket 7, a liquid cooling pipe 8, a shock absorption shell 9, a buffer strip 10, an elastic buffer block 11, a buffer column 12, a shock absorption sleeve 13 and a shock absorption spring 14;

referring to fig. 1, a cell body 2 is disposed in an inner cavity of a cell casing 1, a front baffle 3 is disposed on a left side wall of the cell casing 1, a rear baffle 5 is disposed on a right side wall of the cell casing 1, heat dissipation holes are formed in the rear baffle for facilitating air flow in the inner cavity of the cell casing 1, two heat dissipation fans 4 are installed on an inner wall of the front baffle 3,

referring to fig. 1 again, a heat dissipation aluminum plate 6 is inserted between the cell bodies 2, a heat conduction silica gel gasket 7 is arranged in an inner cavity of the cell shell 1, the heat conduction silica gel gasket 7 wraps the outer wall of the liquid cooling tube 8, the liquid cooling tube 8 is arranged on the surfaces of the two ends of the cell body 2 and is attached to the liquid cooling tube, and the cooling liquid in the liquid cooling tube 8 is free to circularly flow due to expansion caused by heat and contraction caused by cold so as to take away heat, so that a good heat dissipation effect is achieved;

referring to fig. 2, the outer wall of the cell casing 1 is fixedly connected with a damping casing 9 through a locking screw, a buffering strip 10 is slidably embedded in the surface of the damping casing 9, the buffering strip 10 is made of an elastic buffering material, elastic buffering blocks 11 are arranged on the side walls of the buffering strip 10 at equal intervals, two buffering columns 12 are symmetrically arranged on the side wall of the other side of the buffering strip 10, one ends of the buffering columns 12 are slidably inserted into a damping sleeve 13, and the buffering columns 12 are made of an aluminum alloy material;

referring to fig. 2 again, the buffer column 12 is inserted into the inner cavity of the damping sleeve 13 in a sliding manner, and one end of the buffer column 12 is fixedly connected to the damping spring 14 for offsetting the impact force applied to the buffer strip 10 to achieve a damping effect, so as to protect the cell casing 1, and the other end of the damping spring 14 is fixedly connected to the inner wall of the damping sleeve 13.

Example (b): when the heat dissipation fan 4 works, the air flow between the gaps of the cell body 2 is accelerated, the heat generated by the cell body 2 is taken away, the heat which is not easy to dissipate on the surface of the cell body 2 can be conducted to the metal cell shell 1 for heat dissipation by the arrangement of the heat conduction silica gel gasket 7, the heat conduction silica gel gasket 7 has a good anti-piercing protection function on the cell body 2, the heat is taken away by the free circulation flow of the cooling liquid in the liquid cooling pipe 8 after expansion with heat and contraction with cold, a good heat dissipation effect is achieved, the normal work of the cell body 2 is ensured, when the cell shell 1 is subjected to impact force, the impact force acts on the plurality of elastic buffer blocks 11 to drive the buffer strips 10 to move inwards along the shock absorption shell 9, the buffer columns 12 on the side walls of the buffer strips 10 are subjected to reverse acting force from the shock absorption springs 14 in the shock absorption sleeves 13, the impact force can be reduced and offset, thereby reducing the, the service life of the battery cell body 2 is prolonged.

The elastic buffer blocks 11 are of square structures, 3-4 elastic buffer blocks 11 are arranged, and the number of the elastic buffer blocks 11 can be increased or decreased according to actual conditions.

Damping shell 9 is the cuboid concave type structure of adaptation and 1 outer wall of electric core shell, and buffering strip 10 is the elongated structure of adaptation and damping shell 9, and damping shell 9 is made for aluminum alloy material, and the spout has been seted up to damping shell 9 inner wall, and the slip of the buffering strip 10 of being convenient for, and the mounting hole has been seted up at damping shell 9 both ends for the positive negative pole of erection joint electric core body 2.

Referring to fig. 1, in order to reduce the damage of the impact on the corners of the cell casing, arc-shaped connecting portions 16 are arranged at the four corners of the outer side wall of the cell casing 1, rubber blocks 17 are arranged on the outer sides of the arc-shaped connecting portions 16, the rubber blocks 17 are of arc-shaped structures, and the rubber blocks can effectively reduce and offset the impact force to protect the cell casing.

Referring to fig. 1, in order to enhance the heat dissipation effect, a heat dissipation plate 15 is disposed on an inner wall of the cell housing 1, a side wall of the heat dissipation plate 15 is in close contact with an outer wall of the liquid cooling tube 8, so that the excess heat is conveniently conducted out through the heat dissipation plate 15, and a buffer material is filled in an interlayer between the heat dissipation plate 15 and an inner cavity of the cell housing 1.

The mounting opening and the wire hole are formed in the front baffle 3 and the rear baffle 5, so that the heat dissipation fan 4 is convenient to mount on the electric connection.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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 battery cell that radiating effect is good has protect function, includes cell shell (1), its characterized in that: the battery core comprises a battery core shell (1), wherein a battery core body (2) is arranged in an inner cavity of the battery core shell (1), a front baffle (3) is arranged on the left side wall of the battery core shell (1), a rear baffle (5) is arranged on the right side wall of the battery core shell (1), two cooling fans (4) are installed on the inner wall of the front baffle (3), a cooling aluminum plate (6) is inserted between the battery core bodies (2), a heat-conducting silica gel gasket (7) is arranged in the inner cavity of the battery core shell (1), the heat-conducting silica gel gasket (7) wraps the outer wall of a liquid cooling pipe (8), the liquid cooling pipe (8) is arranged on the surfaces of the two ends of the battery core body (2) and attached to the two ends of the battery core body (2), the outer wall of the battery core shell (1) is fixedly connected with a damping shell (9) through locking screws, damping strips, and the other side wall of the buffer strip (10) is symmetrically provided with two buffer columns (12), the buffer columns (12) are inserted into the inner cavity of the damping sleeve (13) in a sliding manner, one ends of the buffer columns (12) are fixedly connected with a damping spring (14), and the other ends of the damping spring (14) are fixedly connected with the inner wall of the damping sleeve (13).

2. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: the elastic buffer blocks (11) are of square structures, and 3-4 elastic buffer blocks (11) are arranged.

3. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: shock attenuation shell (9) are the cuboid concave structure of adaptation and electric core shell (1) outer wall, just the spout has been seted up to shock attenuation shell (9) inner wall, the mounting hole has been seted up at shock attenuation shell (9) both ends.

4. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: arc connecting portion (16) are provided with in cell shell (1) lateral wall four corners department, arc connecting portion (16) outside is provided with rubber block (17), rubber block (17) are the arc structure.

5. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: cell shell (1) inner wall is provided with heating panel (15), heating panel (15) lateral wall and liquid cooling pipe (8) outer wall in close contact with, just it has buffer material to fill in the intermediate layer of heating panel (15) and cell shell (1) inner chamber.

6. The lithium battery cell with good heat dissipation effect and protection function of claim 1, characterized in that: the front baffle (3) and the rear baffle (5) are both provided with mounting openings and wire holes.