CN212461912U

CN212461912U - Lithium ion battery and protection architecture thereof

Info

Publication number: CN212461912U
Application number: CN202020623021.XU
Authority: CN
Inventors: 郭道传; 华娟
Original assignee: Jiangsu Golden Cel Battery Co ltd
Current assignee: Jiangsu Golden Cel Battery Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2021-02-02
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a lithium ion battery and protection architecture thereof, including lithium cell and protecting sheathing, the top at the shell is passed through hinge fixed connection in the apron left side, the inside battery mount that is provided with of shell, the first support column of backup pad bottom fixedly connected with, shell bottom internal surface corresponds first support column and is provided with the second support column, shell bottom internal surface left and right sides is provided with the fixed column, the second through-hole has been seted up along the axle center to the fixed column, swing joint has the axis of rotation in the second through-hole, up fixedly connected with circumference straight-teeth gear and fan blade down in proper order, circumference straight-teeth gear meshing has the hold-in range, the hold-in range intermediate position meshing has the straight-teeth gear, fixedly connected with gear shaft in the straight-teeth gear, the gear shaft passes through. This lithium ion battery and protection architecture through heat sink and buffer, alleviates the external injury to the lithium cell, improves the life and the security of lithium cell.

Description

Lithium ion battery and protection architecture thereof

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium ion battery and protection architecture thereof.

Background

The lithium ion battery has the advantages of high open-circuit voltage, large specific capacity, long cycle life, good safety performance, small self-discharge, wide application range, no memory effect, no pollution and the like, is widely applied to consumer electronics at present as a novel green battery, and is actively developing to the fields of national defense industry, space technology, electric automobiles, standing type standby power supplies and the like. Although the use of the lithium ion battery has been widely used, the use is based on the better safety of the lithium ion battery, and the safety of the lithium ion battery can be said to be a key factor for restricting the further development of the lithium ion battery.

Still can have a lot of in the service environment of present lithium cell and cause the influence factor to the lithium cell, for example high temperature, striking etc. can cause the influence to the security of lithium cell, can influence the life of lithium cell even.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a lithium ion battery and protection architecture thereof to prior art not enough, the utility model provides a can make the lithium cell when the high temperature through the fan, in time reduces the temperature of lithium cell, has reduced the danger that the lithium cell exploded because of the temperature risees, has improved the security that the lithium cell used.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a lithium ion battery and a protection structure thereof comprise a lithium battery and a protection shell, wherein the left side and the right side of the top of the lithium battery are respectively and fixedly connected with an anode connector and a cathode connector, the protection shell comprises a cover plate and a shell, the left side of the cover plate is fixedly connected to the top of the shell through a hinge, the left side and the right side of the shell are provided with air outlet holes, dustproof cotton is filled in the air outlet holes, a battery fixing frame is arranged in the shell, the left side and the right side of the battery fixing frame are fixedly connected to the inner surface of the shell, the middle of the battery fixing frame is provided with a square hole corresponding to the lithium battery, the lithium battery passes through the square hole, the bottom of the lithium battery is movably connected with a support plate, the bottom of the support plate is fixedly connected with a first support column, the inner surface of the bottom of the shell is provided, the other end of the spring is fixedly connected to the inner surface of the bottom of the shell.

The utility model discloses a fan, including shell, casing, inlet port, fixed column, axis, the shell bottom internal surface left and right sides is provided with the fixed column, the inlet port has been seted up to shell left and right sides bottom, the second through-hole has been seted up along the axle center to the fixed column, swing joint has the axis of rotation in the second through-hole, up fixedly connected with circumference straight-teeth gear and fan blade down in proper order to the axis of rotation, the meshing of circumference straight-teeth gear has the hold-in range, the meshing of hold-in range intermediate position has the straight-teeth gear, fixedly.

Preferably, the lithium battery is in clearance fit with the square hole in the battery fixing frame.

Preferably, the timing belt is supported by four circumferential spur gears, and both the circumferential spur gears and the spur gears are located within a square circle formed by the timing belt.

Preferably, a temperature monitor is arranged on the right side inside the shell.

Preferably, the four first support columns are axially parallel.

Preferably, the four rotating shafts are parallel in axial center.

(III) advantageous effects

The utility model provides a lithium ion battery and protection architecture thereof. The method has the following beneficial effects:

(1) this lithium ion battery and protection architecture can prevent that external dust from getting into inside the battery case through dustproof cotton, causes the influence to the lithium cell, has improved the life of lithium cell.

(2) This lithium ion battery and protection architecture through the temperature monitor control, and when the high temperature, the motor passes through the hold-in range and drives the fan blade rotation, in time reduces the temperature of lithium cell, has improved the security that the lithium cell used.

(3) This lithium ion battery and protection architecture thereof, two kinds of support columns and spring form buffer, can alleviate the injury to the lithium cell when battery case receives the vibration, improve the life and the security of lithium cell.

Drawings

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

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic cross-sectional view of B-B of FIG. 1 according to the present invention;

fig. 4 is a partially enlarged schematic view of the point C in fig. 1 according to the present invention.

In the figure: 1 lithium cell, 2 positive pole joints, 3 negative pole joints, 4 apron, 5 shells, 6 ventholes, 7 dustproof cottons, 8 battery mount, 9 backup pads, 10 first support columns, 11 second support columns, 12 first through-holes, 13 springs, 14 fixed columns, 15 inlet holes, 16 second through-holes, 17 rotation axis, 18 circumference straight-teeth gear, 19 fan blades, 20 hold-in range, 21 straight-teeth gear, 22 gear shafts, 23 motor, 24 fixed blocks.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a lithium ion battery and its protective structure, including lithium cell 1 and protective housing, the left and right sides of top of lithium cell 1 fixedly connects with positive pole joint 2 and negative pole joint 3 respectively, the protective housing includes cover plate 4 and outer casing 5, the right side in outer casing 5 is equipped with the temperature monitor, through the monitoring of the temperature monitor, when the temperature is too high, the motor drives the blade to rotate through the hold-in range, reduce the temperature of the lithium cell in time, has improved the security that the lithium cell uses, the left side of cover plate 4 is fixedly connected to the top of outer casing 5 through the hinge, the left and right sides of outer casing 5 have been offered the venthole 6, the venthole 6 is packed with the dustproof cotton 7, can prevent the external dust from entering the inner of outer casing of the battery through the dustproof cotton 7, cause the influence to the lithium cell, have improved the life time of the lithium cell, the middle of the battery fixing frame 8 is provided with a square hole corresponding to the lithium battery 1, the lithium battery 1 passes through the square hole, the lithium battery 1 is in clearance fit with the square hole in the battery fixing frame 8, the bottom is movably connected with a supporting plate 9, the bottom of the supporting plate 9 is fixedly connected with a first supporting column 10, the axes of the four first supporting columns 10 are parallel, the inner surface of the bottom of the shell 5 is provided with a second supporting column 11 corresponding to the first supporting column 10, the second supporting column 11 is internally provided with a first through hole 12, the bottom of the first supporting column 10 extends into the first through hole 12 and is fixedly connected with one end of a spring 13, the other end of the spring 13 is fixedly connected with the inner surface of the bottom of the shell 5, the two supporting columns and the spring 13 form a buffer device, when the battery shell is vibrated, the damage to the lithium battery 1 is reduced, the service life and the, air inlet 15 has been seted up to 5 left and right sides bottoms of shell, second through-hole 16 has been seted up along the axle center to fixed column 14, swing joint has axis of rotation 17 in the second through-hole, four axis of rotation 17 axle centers are parallel, axis of rotation 17 is from up fixedly connected with circumference straight-teeth gear 18 and fan leaf 19 in proper order down, circumference straight-teeth gear 18 meshes there is hold-in range 20, hold-in range 20 intermediate position meshes has straight-teeth gear 21, hold-in range 20 supports through four circumference straight-teeth gear 18, and circumference straight-teeth gear 18 and straight-teeth gear 21 all are in the square circle that the hold-in range formed, fixedly connected with gear shaft 22 in the straight-teeth gear, the gear shaft passes through shaft coupling fixedly connected.

This lithium ion battery and protection architecture during the use, when the temperature is normal, fan blade 19 is not pivoted, when the high temperature, temperature monitor control motor 23 rotates, thereby drive fan blade 19 through hold-in range 20 and rotate, in time for lithium cell 1 cooling, when battery case receives the shock, first support column 10, the second is propped 11, the buffer that spring 13 constitutes can effectively reduce the impact to lithium cell 1, dustproof cotton 7 can prevent that external dust from getting into inside the battery case, the effectual security and the life that improve lithium cell 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lithium ion battery and a protection structure thereof comprise a lithium battery (1) and a protection shell, and are characterized in that: the lithium battery comprises a lithium battery (1), wherein the left side and the right side of the top of the lithium battery (1) are respectively and fixedly connected with an anode connector (2) and a cathode connector (3), the protective shell comprises a cover plate (4) and a shell (5), the left side of the cover plate (4) is fixedly connected with the top of the shell (5) through a hinge, air outlet holes (6) are formed in the left side and the right side of the shell (5), dustproof cotton (7) is filled in the air outlet holes (6), a battery fixing frame (8) is arranged inside the shell (5), the left side and the right side of the battery fixing frame (8) are fixedly connected with the inner surface of the shell (5), square holes are formed in the middle of the battery fixing frame (8) corresponding to the lithium battery (1), the lithium battery (1) penetrates through the square holes, the bottom of the lithium battery fixing frame is movably connected with a supporting plate (9), the bottom of the supporting plate (, a first through hole (12) is formed in the second supporting column (11), the bottom of the first supporting column (10) extends into the first through hole (12) and is fixedly connected to one end of a spring (13), and the other end of the spring (13) is fixedly connected to the inner surface of the bottom of the shell (5);

shell (5) bottom internal surface left and right sides is provided with fixed column (14), inlet port (15) have been seted up to shell (5) left and right sides bottom, second through-hole (16) have been seted up along the axle center in fixed column (14), swing joint has axis of rotation (17) in the second through-hole, axis of rotation (17) are from up fixedly connected with circumference straight-teeth gear (18) and fan blade (19) down in proper order, circumference straight-teeth gear (18) meshing has hold-in range (20), hold-in range (20) intermediate position meshing has straight-teeth gear (21), fixed connection has gear shaft (22) in the straight-teeth gear, the gear shaft passes through shaft coupling fixedly connected with motor (23), motor (23) are through fixed block (24) fixed connection at shell (5) bottom internal surface intermediate.

2. The lithium ion battery and the protection structure thereof according to claim 1, wherein: the lithium battery (1) is in clearance fit with the square hole in the battery fixing frame (8).

3. The lithium ion battery and the protection structure thereof according to claim 1, wherein: the synchronous belt (20) is supported by four circumferential straight gears (18), and the circumferential straight gears (18) and the straight gears (21) are all positioned in a square ring formed by the synchronous belt.

4. The lithium ion battery and the protection structure thereof according to claim 1, wherein: and a temperature monitor is arranged on the right side in the shell (5).

5. The lithium ion battery and the protection structure thereof according to claim 1, wherein: the axes of the four first supporting columns (10) are parallel.

6. The lithium ion battery and the protection structure thereof according to claim 1, wherein: the axes of the four rotating shafts (17) are parallel.