CN219873797U - Lithium battery protection board for improving safety of lithium battery in charging and discharging process - Google Patents

Lithium battery protection board for improving safety of lithium battery in charging and discharging process Download PDF

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Publication number
CN219873797U
CN219873797U CN202321051567.2U CN202321051567U CN219873797U CN 219873797 U CN219873797 U CN 219873797U CN 202321051567 U CN202321051567 U CN 202321051567U CN 219873797 U CN219873797 U CN 219873797U
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China
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lithium battery
wall
fixedly connected
lithium
charging
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CN202321051567.2U
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Chinese (zh)
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晏泰山
周强
阮宁
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Shenzhen Mintai Electronic Technology Co ltd
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Shenzhen Mintai Electronic Technology Co ltd
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Abstract

The utility model discloses a lithium battery protection plate for improving the safety of a lithium battery in a charging and discharging process, and relates to the technical field of lithium batteries. The protection plate provided by the utility model can play a role in buffering and protecting the lithium battery to a certain extent, heat accumulated on the surface of the lithium battery can be timely conducted out through the ceramic heat conducting sheet, and the heat is emitted to the outer side of the protection plate through the heat radiating fins, so that the heat is prevented from being accumulated on the lithium battery.

Description

Lithium battery protection board for improving safety of lithium battery in charging and discharging process
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a lithium battery protection plate for improving the safety of a lithium battery in a charging and discharging process.
Background
The lithium battery is a battery using lithium metal or lithium alloy as a negative electrode material, oxide or phosphate as a positive electrode material, and an organic solvent or solid polymer electrolyte as an electrolyte.
The heat can be continuously emitted in the charge and discharge process of the lithium battery, the heat is accumulated in the lithium battery, the use risk of the lithium battery can be improved because the heat cannot be timely emitted, and the accumulated heat can cause heat loss to a structural member, so that the structural strength and the service life are affected.
Disclosure of Invention
The present utility model has been made in view of the above problems occurring in the conventional lithium batteries.
Therefore, the utility model aims to provide the lithium battery protection board for improving the safety of the charging and discharging process of the lithium battery, and solves the problems that the use risk of the lithium battery is improved when heat accumulated in the lithium battery cannot be timely dissipated, and the accumulated heat causes heat loss to structural members, and the structural strength and the service life are affected.
In order to achieve the above object, the present utility model provides the following technical solutions:
promote lithium cell protection shield of lithium cell charge-discharge process security, including the lithium cell, the upper and lower both sides of lithium cell laminate respectively and are provided with the protection shield, the protection shield is for one side fixedly connected with ceramic conducting strip of lithium cell, ceramic conducting strip laminating sets up on the lateral wall of lithium cell, the protection shield deviates from one side of lithium cell and sets up flutedly, the inside of recess is equipped with the tandem plate, the inside fixedly connected with of tandem plate a plurality of radiating fins, radiating fin and ceramic conducting strip contact setting, threaded connection has first bolt simultaneously in the inside of tandem plate and protection shield, the top the inside fixedly connected with motor of protection shield, the output shaft end fixedly connected with cylindricality flabellum of motor, the bottom inner wall of cylindricality flabellum rotates to be connected in the below the inside of protection shield.
Preferably, a connecting plate is fixedly connected to the side wall of the protection plate, and a second bolt is connected to the inner thread of the connecting plate.
Preferably, the top the inside fixedly connected with response section of thick bamboo of protection shield, the top inner wall of response section of thick bamboo is equipped with mercury, the inner wall slip that response section of thick bamboo is located the mercury below is equipped with the piston, lithium cell's lateral wall electricity is connected with the conduit, the conduit deviates from the one end of lithium cell and extends to on the lateral wall of piston and be equipped with first wiring end, the power cord of motor extends to the inside of response section of thick bamboo and is equipped with the second wiring end.
Preferably, the ceramic heat conducting fin is internally provided with heat conducting carbon fibers, and the heat conducting carbon fibers are wound on the wall of the induction cylinder.
Preferably, a sealing ring is fixedly sleeved on the inner wall of the top end of the piston, and the sealing ring is tightly pressed and arranged in the induction cylinder.
Preferably, the inner wall of the bottom end of the induction cylinder is fixedly connected with a baffle ring, the top end of the baffle ring is fixedly connected with a spring, and the top end of the spring is tightly pressed and arranged at the bottom of the piston.
In the technical scheme, the utility model has the technical effects and advantages that:
1. according to the utility model, the protection plate can play a role in buffering and protecting the lithium battery to a certain extent, heat accumulated on the surface of the lithium battery can be timely led out through the ceramic heat conducting fin, and the heat is emitted to the outer side of the protection plate through the heat radiating fin, so that the heat is prevented from being accumulated on the lithium battery.
2. According to the utility model, the heat conduction carbon fiber can conduct the heat in the ceramic heat conduction sheet to the wall of the induction cylinder, so that mercury absorbs heat to expand to push down the piston to the bottom of the induction cylinder, the motor is electrified to drive the cylindrical fan blade to rotate, the gas fluidity on the surface of the lithium battery is improved, and the heat dissipation efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1 in accordance with the present utility model;
fig. 3 is a perspective view of the structure of the cylindrical fan blade in fig. 1 according to the present utility model.
Reference numerals illustrate:
1. a lithium battery; 2. a protective plate; 3. ceramic heat conducting fins; 4. a serial connection plate; 5. a heat radiation fin; 6. a first bolt; 7. a connecting plate; 8. a second bolt; 9. a motor; 10. cylindrical fan blades; 11. an induction cylinder; 12. mercury; 13. a piston; 14. a conduit; 15. a thermally conductive carbon fiber; 16. a seal ring; 17. a baffle ring; 18. and (3) a spring.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The embodiment of the utility model discloses a lithium battery protection plate for improving the safety of a lithium battery in the charging and discharging process.
The utility model provides a lithium battery protection plate for improving the safety of a lithium battery in a charging and discharging process, which is shown in fig. 1-3, wherein the lithium battery 1 is provided with a protection plate 2 in a fitting manner on the upper side and the lower side of the lithium battery 1, one side of the protection plate 2, which is opposite to the lithium battery 1, is fixedly connected with a ceramic heat conducting plate 3, the ceramic heat conducting plate 3 is arranged on the side wall of the lithium battery 1 in a fitting manner, one side, which is opposite to the lithium battery 1, of the protection plate 2 is provided with a groove, the inside of the groove is provided with a serial plate 4, the inside of the serial plate 4 is fixedly connected with a plurality of radiating fins 5, the radiating fins 5 are in contact with the ceramic heat conducting plate 3, the serial plate 4 and the inside of the protection plate 2 are simultaneously in threaded connection with a first bolt 6, the inside of the protection plate 2 is fixedly connected with a motor 9, the end part of an output shaft of the motor 9 is fixedly connected with a cylindrical fan blade 10, the inner wall at the bottom end of the cylindrical fan blade 10 is rotationally connected with the inside of the protection plate 2, the side wall of the protection plate 2 is fixedly connected with a connecting plate 7, and a second bolt 8 is connected with the inner thread of the connecting plate 7.
Can play certain buffering protection to lithium cell 1 through protection shield 2, can be with the timely derivation of lithium cell 1 surface pile up heat, give off to the outside of protection shield 2 through radiating fin 5, prevent that heat from piling up on lithium cell 1, can guarantee the stability between a plurality of radiating fins 5 through the tandem plate 4, the stable installation to protection shield 2 can be guaranteed through connecting plate 7 to second bolt 8, the output shaft rotation through motor 9 can drive cylindricality flabellum 10 and rotate and carry out the heat dissipation to the lateral wall of lithium cell 1, further improve the radiating effect to the lithium cell.
In order to make the operating time of the motor 9 more reasonable and reduce unnecessary power consumption, as shown in fig. 1-2, the inside fixedly connected with induction cylinder 11 of top protection board 2, the top inner wall of induction cylinder 11 is equipped with mercury 12, the inner wall that induction cylinder 11 is located mercury 12 below slides and is equipped with piston 13, the lateral wall electricity of lithium cell 1 is connected with conduit 14, the one end that conduit 14 deviates from lithium cell 1 extends to the lateral wall of piston 13 and is equipped with first wiring end, the power cord of motor 9 extends to the inside of induction cylinder 11 and is equipped with the second wiring end, the inside of ceramic heat conducting fin 3 is equipped with heat conduction carbon fiber 15, heat conduction carbon fiber 15 winding sets up on the section of thick bamboo wall of induction cylinder 11, the fixed cover in top inner wall of piston 13 is equipped with sealing washer 16, sealing washer 16 compresses tightly the inside of setting at induction cylinder 11, the bottom inner wall fixedly connected with baffle ring 17 of induction cylinder 11, the top fixedly connected with spring 18 of baffle ring 17, the top of spring 18 compresses tightly the bottom of setting at piston 13.
The heat conduction carbon fiber 15 can conduct the heat in the ceramic heat conduction sheet 3 to the cylinder wall of the induction cylinder 11, so that the mercury 12 absorbs heat and expands to push down the piston 13 to the bottom of the induction cylinder 11, thereby enabling the lithium battery 1 to electrify the motor 9 through the wire tube 14, the first wiring end and the second wiring end, enabling the motor 9 to work to drive the cylindrical fan blade 10 to rotate, improving the gas fluidity on the surface of the lithium battery 1 and improving the heat dissipation efficiency, otherwise, if the temperature on the surface of the lithium battery 1 is reduced, the heat conducted by the heat conduction carbon fiber 15 is reduced, the mercury 12 can be cooled and contracted, the spring 18 can push up the piston 13 along the inner wall of the induction cylinder 11, the first wiring end is separated from the second wiring end, and the motor 9 is powered off.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. Promote lithium cell protection shield of lithium cell charge-discharge process security, including lithium cell (1), its characterized in that, the upper and lower both sides of lithium cell (1) are laminated respectively and are provided with protection shield (2), protection shield (2) are for one side fixedly connected with ceramic conducting strip (3) of lithium cell (1), ceramic conducting strip (3) laminating sets up on the lateral wall of lithium cell (1), recess has been seted up to one side that protection shield (2) deviates from lithium cell (1), the inside of recess is equipped with serial connection board (4), the inside fixedly connected with of serial connection board (4) a plurality of radiating fins (5), radiating fins (5) and ceramic conducting strip (3) contact and set up, the inside simultaneous threaded connection of serial connection board (4) and protection shield (2) has first bolt (6), the top the inside fixedly connected with motor (9) of protection shield (2), the output shaft end fixedly connected with cylindricality flabellum (10), the bottom inner wall of cylindricality flabellum (10) rotates and connects in the inside of protection shield (2).
2. The lithium battery protection plate for improving safety in a charging and discharging process of a lithium battery according to claim 1, wherein a connecting plate (7) is fixedly connected to the side wall of the protection plate (2), and a second bolt (8) is connected to the inner thread of the connecting plate (7).
3. The lithium battery protection plate for improving safety in a charging and discharging process of a lithium battery according to claim 1, wherein an induction cylinder (11) is fixedly connected to the inside of the protection plate (2) above, mercury (12) is arranged on the inner wall of the top end of the induction cylinder (11), a piston (13) is slidably arranged on the inner wall of the induction cylinder (11) below the mercury (12), a conduit (14) is electrically connected to the side wall of the lithium battery (1), one end of the conduit (14) deviating from the lithium battery (1) extends to the side wall of the piston (13) and is provided with a first wiring terminal, and a power line of the motor (9) extends to the inside of the induction cylinder (11) and is provided with a second wiring terminal.
4. The lithium battery protection plate for improving safety in a charging and discharging process of a lithium battery according to claim 1, wherein the ceramic heat conducting fin (3) is internally provided with heat conducting carbon fibers (15), and the heat conducting carbon fibers (15) are wound on the wall of the induction cylinder (11).
5. The lithium battery protection plate for improving safety in a charging and discharging process of a lithium battery according to claim 3, wherein a sealing ring (16) is fixedly sleeved on the inner wall of the top end of the piston (13), and the sealing ring (16) is tightly pressed and arranged in the induction cylinder (11).
6. The lithium battery protection plate for improving safety in a charging and discharging process of a lithium battery according to claim 3, wherein a baffle ring (17) is fixedly connected to the inner wall of the bottom end of the induction barrel (11), a spring (18) is fixedly connected to the top end of the baffle ring (17), and the top end of the spring (18) is tightly pressed and arranged at the bottom of the piston (13).
CN202321051567.2U 2023-05-05 2023-05-05 Lithium battery protection board for improving safety of lithium battery in charging and discharging process Active CN219873797U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321051567.2U CN219873797U (en) 2023-05-05 2023-05-05 Lithium battery protection board for improving safety of lithium battery in charging and discharging process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321051567.2U CN219873797U (en) 2023-05-05 2023-05-05 Lithium battery protection board for improving safety of lithium battery in charging and discharging process

Publications (1)

Publication Number Publication Date
CN219873797U true CN219873797U (en) 2023-10-20

Family

ID=88370549

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321051567.2U Active CN219873797U (en) 2023-05-05 2023-05-05 Lithium battery protection board for improving safety of lithium battery in charging and discharging process

Country Status (1)

Country Link
CN (1) CN219873797U (en)

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