CN213522843U

CN213522843U - Lithium battery protection plate with shock-absorbing function

Info

Publication number: CN213522843U
Application number: CN202022493182.4U
Authority: CN
Inventors: 甘晓军
Original assignee: Nanjing Weisheng Power Supply Technology Co ltd
Current assignee: Nanjing Weisheng Power Supply Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-06-22
Anticipated expiration: 2030-11-02

Abstract

The utility model belongs to the technical field of the lithium cell technique and specifically relates to a lithium battery protection shield with shock-absorbing function, which comprises a housin, the fixed supporting baffle that is equipped with of casing, the supporting baffle is pegged graft and is equipped with a plurality of fin, and is a plurality of the fixed battery protection shield main part that is equipped with of fin, battery protection shield main part symmetry is pegged graft and is equipped with the plug-in frame, the fixed block is all rotated and is connected and is equipped with the connecting plate, the connecting plate is all rotated and is connected and be equipped with the movable block, the movable block is all fixed and is equipped with the slider, two the equal sliding connection of slider is equipped with the mounting panel, the equal symmetrical fixed cushion socket that is equipped with of mounting panel, the cushion socket all cup joints and is equipped with T shape buffering post, the equal symmetrical fixed. The utility model discloses on the basis of ordinary protection shield, set up multidirectional buffering and heat abstractor, improved protectiveness and life.

Description

Lithium battery protection plate with shock-absorbing function

Technical Field

The utility model relates to a lithium cell technical field especially relates to a lithium battery protection shield with shock-absorbing function.

Background

The finished lithium battery mainly comprises two parts, namely a lithium battery core and a protection board, wherein the lithium battery protection board is used for protecting the battery from over-discharge, over-charge and over-current and also for protecting the output short circuit. The lithium battery protection board is used for charging and discharging protection of the series lithium battery pack; when the battery pack is fully charged, the voltage difference between the single batteries can be ensured to be smaller than a set value, the uniform charging of the single batteries of the battery pack is realized, and the charging effect under a series charging mode is effectively improved; simultaneously, the overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of each single battery in the battery pack are detected, so that the service life of the battery is protected and prolonged; the undervoltage protection prevents each single battery from being damaged by overdischarge when the single battery is used for discharging.

However, when the installation of lithium battery protection board, because there is certain clearance between the inner wall of lithium battery protection board and battery compartment to lead to in vibrations process, the phenomenon of rocking appears easily in the lithium battery protection board, and wire contact is bad when using for a long time and easily leads to charging, influences charge efficiency.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a lithium battery protection shield with shock-absorbing function has all-round buffer function and has solved and easily appear rocking phenomenon, leads to wire contact failure, influences charging efficiency's problem.

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

a lithium battery protection board with a shock absorption function is designed, and comprises a shell, wherein a supporting partition board is fixedly arranged on one side of the inner wall of the shell, a plurality of radiating fins are inserted into the supporting partition board, a battery protection board main body is fixedly arranged on one side of the plurality of radiating fins, an insertion frame is symmetrically inserted into the battery protection board main body, a fixed block is symmetrically and fixedly arranged on one side of the insertion frame, the fixed block is rotatably connected with a connecting plate, a moving block is rotatably connected to one side of the connecting plate away from the fixed block, a sliding block is fixedly arranged on one side of the moving block, two sliding blocks are slidably connected with a mounting board, the mounting board is symmetrically provided with sliding grooves corresponding to the sliding blocks, a buffer seat is symmetrically and fixedly arranged on the mounting board, a T-shaped buffer column is sleeved on the buffer seat, and one end of the T, the fixed buffer spring that is equipped with of buffer seat equal symmetry, buffer spring cup joints with T shape buffering post, all fixed spring and the buffering rubber post of being equipped with between grafting frame and the mounting panel, spring and buffering rubber post cup joint, the fixed air inlet cover that is equipped with in one side of casing, the fixed air-supply line that is equipped with of air inlet cover, the fixed fan that is equipped with of one end that the air inlet cover was kept away from to the air-supply line, fan and casing fixed connection.

Preferably, the top of casing is pegged graft and is equipped with the top cap, the upper surface of top cap is equipped with a plurality of threading grooves, the inner wall in threading groove is all fixed and is equipped with high-elastic dustproof filter screen, high-elastic dustproof filter screen all is equipped with a plurality of cross through holes.

Preferably, a temperature sensor is fixedly arranged at the top of the inner wall of the top cover, and a friction rubber ring is fixedly arranged on the inner wall of the top cover.

Preferably, one side of the shell, which is far away from the air inlet cover, is fixedly provided with a dustproof filter plate.

Preferably, the heat dissipation plate is provided with a plurality of through grooves at equal distances.

Preferably, friction rubber pads are symmetrically and fixedly arranged on the inner wall of the insertion frame.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model has the advantages that the fan blows cold air into the shell through the air inlet pipe and the air inlet cover to cool the radiating fins, thereby achieving the purpose of cooling the main body of the lithium battery protection board, prolonging the service life of the main body of the lithium battery protection board, effectively avoiding dust from entering the shell under the action of the high-elasticity dustproof filter screen and the dustproof filter screen, reducing the influence of dust on the main body of the lithium battery protection board, improving the protection performance, arranging the friction rubber pad in the splicing frame, effectively improving the connection stability between the main body of the lithium battery protection board and the splicing frame, and absorbing and buffering the vibration force in the horizontal direction and the vertical direction through the mutual matching between the splicing frame, the fixed block, the connecting plate, the movable block, the slide block, the mounting plate, the buffer seat, the T-shaped buffer column, the buffer spring and the buffer rubber column when vibration occurs, the protection to lithium battery protection board main part has been all-round promotion.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of a lithium battery protection plate with a shock-absorbing function according to the present invention;

fig. 2 is a cross-sectional view of a lithium battery protection plate with a shock-absorbing function according to the present invention;

fig. 3 is a partially disassembled view of a structure at a in fig. 2.

In the figure: the novel lithium battery protection plate comprises a shell 1, a supporting partition plate 2, radiating fins 3, a through groove 4, a lithium battery protection plate main body 5, a splicing frame 6, a friction rubber pad 7, a fixed block 8, a connecting plate 9, a moving block 10, a sliding block 11, a mounting plate 12, a buffer seat 13, a buffer column 14T-shaped buffer column 15, a buffer spring 16, a buffer rubber column 17, a top cover 18, a threading groove 19, a high-elastic dustproof filter screen 20, a cross-shaped through hole 21, an air inlet cover 22, an air inlet pipe 23, a fan 24, a dustproof filter plate 25 and a temperature sensor 26.

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, a lithium battery protection board with a shock absorption function comprises a housing 1, a supporting partition board 2 is fixedly arranged on one side of the inner wall of the housing 1, a plurality of radiating fins 3 are inserted into the supporting partition board 2, a battery protection board main body 5 is fixedly arranged on one side of the plurality of radiating fins 3, an insertion frame 6 is symmetrically inserted into the battery protection board main body 5, a fixed block 8 is symmetrically fixed on one side of the insertion frame 6, the fixed block 8 is rotatably connected with a connecting plate 9, a moving block 10 is rotatably connected with one side of the connecting plate 9 far away from the fixed block 8, a sliding block 11 is fixedly arranged on one side of the moving block 10, two sliding blocks 11 are slidably connected with a mounting plate 12, the mounting plate 12 is symmetrically provided with sliding grooves corresponding to the sliding blocks 11, the mounting plate 12 is symmetrically and fixedly provided with buffer seats 13, the buffer seats 13 are sleeved with T-shaped posts 14, buffer base 13 is fixed with buffer spring 15, and buffer spring 15 cup joints with T shape buffering post 14, all is fixed between grafting frame 6 and the mounting panel 12 to be equipped with spring 16 and buffering rubber post 17, and spring 16 and buffering rubber post 17 cup joint, and one side of casing 1 is fixed to be equipped with air inlet cover 22, and air inlet cover 22 is fixed to be equipped with air-supply line 23, and air-supply line 23 keeps away from the fixed fan 24 that is equipped with of one end of air inlet cover 22, fan 24 and casing 1 fixed connection.

Specifically, casing 1's top grafting is equipped with top cap 18, and top cap 18's upper surface is equipped with a plurality of threading grooves 19, and threading groove 19's inner wall is all fixed and is equipped with high-elastic dustproof filter screen 20, and high-elastic dustproof filter screen 20 all is equipped with a plurality of cross through holes 21.

Specifically, a temperature sensor 26 is fixedly arranged at the top of the inner wall of the top cover 18, and a friction rubber ring is fixedly arranged on the inner wall of the top cover 18.

Specifically, a dustproof filter plate 25 is fixedly arranged on one side of the casing 1 away from the air inlet cover 22.

Specifically, the heat sink 3 has a plurality of through grooves 4 at equal distances.

Specifically, friction rubber pads 7 are symmetrically and fixedly arranged on the inner wall of the inserting frame 6.

The utility model discloses an application principle and use flow: the working personnel opens the top cover 18, insert the both sides of lithium battery protection board main part 5 into the plug-in frame 6 respectively, then pass one end of wire through the cross through hole 21 on the high-elastic dustproof filter screen 20, and tin-weld with the lithium battery, then reset the top cover 18, and fix the casing 1 with the lithium battery, at this moment the high-elastic dustproof filter screen 20 is laminated with the wire under the elastic effect and prevents the entering of dust, when this device produces vibrations, the shaking force is transmitted to the T-shaped buffer post 14 and the mounting panel 12 through the casing 1 and the support baffle 2, the horizontal force makes the moving block 10 start to move under the cooperation between the fixed block 8, the connecting plate 9, the moving block 10, the slider 11 and the spout, two plug-in frames 6 compress and stretch two springs 16 and two cushion rubber posts 17 respectively along with it, the springs 16 and the cushion rubber posts 17 absorb energy, the power of vertical direction makes mounting panel 12 begin to remove along T shape buffering post 14, and buffer spring 15 produces deformation and cushions the energy-absorbing, and temperature sensor 26 transmits the data that detect to the controller when lithium battery protection board main part 5 works and produces great heat on, and controller control fan 24 begins to work, and the fan blows in cold wind to casing 1 inside through air-supply line 23 and air inlet cover 22 and cools down fin 3 to reach the mesh of cooling lithium battery protection board main part 5.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery protection board with a shock absorption function comprises a shell (1) and is characterized in that a supporting partition board (2) is fixedly arranged on one side of the inner wall of the shell (1), a plurality of radiating fins (3) are inserted into the supporting partition board (2), a battery protection board main body (5) is fixedly arranged on one side of the plurality of radiating fins (3), an insertion frame (6) is symmetrically inserted into the battery protection board main body (5), fixed blocks (8) are symmetrically and fixedly arranged on one side of the insertion frame (6), a connecting board (9) is rotatably connected with the fixed blocks (8), a moving block (10) is rotatably connected with one side of the connecting board (9) far away from the fixed blocks (8), sliding blocks (11) are fixedly arranged on one side of the moving block (10), mounting boards (12) are slidably connected with the two sliding blocks (11), and sliding grooves corresponding to the sliding blocks (11) are symmetrically arranged on the mounting boards (12), the mounting plates (12) are symmetrically and fixedly provided with buffer seats (13), the buffer seats (13) are sleeved with T-shaped buffer columns (14), one end of each T-shaped buffer column (14) is fixedly connected with the supporting clapboard (2), the buffer seats (13) are symmetrically and fixedly provided with buffer springs (15), the buffer springs (15) are sleeved with T-shaped buffer posts (14), a spring (16) and a buffer rubber column (17) are fixedly arranged between the splicing frame (6) and the mounting plate (12), the spring (16) is sleeved with the buffer rubber column (17), one side of the shell (1) is fixedly provided with an air inlet cover (22), the air inlet cover (22) is fixedly provided with an air inlet pipe (23), one end, far away from the air inlet cover (22), of the air inlet pipe (23) is fixedly provided with a fan (24), and the fan (24) is fixedly connected with the shell (1).

2. The lithium battery protection plate with the shock absorption function according to claim 1, wherein a top cover (18) is inserted into the top of the casing (1), the upper surface of the top cover (18) is provided with a plurality of threading grooves (19), the inner walls of the threading grooves (19) are fixedly provided with high-elasticity dustproof filter screens (20), and the high-elasticity dustproof filter screens (20) are provided with a plurality of cross-shaped through holes (21).

3. The lithium battery protection plate with the shock absorption function as claimed in claim 2, wherein a temperature sensor (26) is fixedly arranged on the top of the inner wall of the top cover (18), and a friction rubber ring is fixedly arranged on the inner wall of the top cover (18).

4. The lithium battery protection board with the shock absorption function as claimed in claim 1, wherein a dust-proof filter board (25) is fixedly arranged on one side of the casing (1) far away from the air inlet cover (22).

5. The lithium battery protection plate with a shock-absorbing function as claimed in claim 1, wherein the heat sink (3) is provided with a plurality of through grooves (4) at equal distances.

6. The lithium battery protection plate with the shock absorption function as claimed in claim 1, wherein the inner walls of the insertion frame (6) are symmetrically and fixedly provided with friction rubber pads (7).