CN-224217624-U - Explosion-proof device for lithium battery storage

Abstract

The utility model belongs to the technical field of lithium battery storage, and particularly relates to a lithium battery storage explosion-proof device, which comprises a storage box, wherein a heat radiation assembly is arranged in the storage box, a temperature sensor is fixedly arranged at the top of the storage box, a controller is fixedly arranged at the top of the storage box, an air extraction assembly and an auxiliary heat radiation assembly are arranged on the outer wall of the storage box, the air extraction assembly comprises an air bin, and the air bin is fixedly connected to the outer wall of the storage box. This explosion-proof device of lithium cell storage passes through the use of subassembly of bleeding, when temperature sensor response storage box temperature is too high, and the controller control motor starts, makes the eccentric wheel rotate, under reset spring's effect, makes the piston board reciprocate in the gas storehouse, and then one-way extraction opening absorbs the air in the storage box, and gaseous follow one-way gas vent discharges, reduces the content of oxygen in the storage box, prevents that the lithium cell from taking place chemical reaction excessively, reaches the explosion-proof effect of lithium cell storage.

Inventors

• LIU ZHAOXI

Assignees

• 东莞市明易源电子有限公司

Dates

Publication Date

20260508

Application Date

20250522

Claims (6)

1. 1. The utility model provides a lithium cell storage explosion-proof equipment, includes storage case (1), its characterized in that the inside of storage case (1) is provided with radiator unit (2), the top fixed mounting of storage case (1) has temperature sensor (3), the top fixed mounting of storage case (1) has controller (4), be provided with on the outer wall of storage case (1) and bleed subassembly (5) and supplementary radiator unit (6), bleed subassembly (5) include: The air bin (51), the air bin (51) is fixedly connected to the outer wall of the storage box (1), the top of the air bin (51) is communicated with a one-way air extraction opening (52), and the side wall of the air bin (51) is communicated with a one-way air exhaust opening (53); The piston plate (54), the piston plate (54) is connected in the air chamber (51) in a piston way, and the piston plate (54) is elastically connected with the inner wall of the air chamber (51) through a reset spring (55); The device comprises a mounting plate (56), wherein the mounting plate (56) is fixedly connected to the outer wall of the air bin (51), a motor (57) is fixedly connected to the lower side of the mounting plate (56), and an eccentric wheel (58) is fixedly connected to an output shaft of the motor (57).
2. 2. The lithium battery storage explosion-proof device according to claim 1, wherein the one-way air extraction opening (52) is communicated with the storage box (1), and an output shaft of the motor (57) penetrates through the air bin (51) and is rotationally connected with the air bin (51).
3. 3. The lithium battery storage explosion-proof device according to claim 1, wherein the auxiliary heat dissipation assembly (6) comprises a fixed shell (61), the fixed shell (61) is fixedly connected to the outer wall of the storage box (1), the fixed shell (61) is sleeved with a rotating shaft (62), the end part of the rotating shaft (62) is fixedly connected with a fan blade (63), and the rotating shaft (62) is in transmission connection with an output shaft of the motor (57) through a transmission belt (64).
4. 4. The lithium battery storage explosion-proof device according to claim 1, wherein the inner wall of the storage box (1) is fixedly connected with a supporting plate, and a partition plate (101) is fixedly connected to the supporting plate.
5. 5. The explosion-proof device for lithium battery storage of claim 4, wherein the side wall of the storage box (1) is provided with a heat dissipation groove (102), and the heat dissipation groove (102) is positioned below the supporting plate.
6. 6. The lithium battery storage explosion-proof device according to claim 1, wherein the heat dissipation assembly (2) comprises a heat absorption sheet (21), a copper pipe (22) is fixedly connected to the lower side of the heat absorption sheet (21), and a heat dissipation fin (23) is fixedly connected to the bottom of the copper pipe (22).

Description

Explosion-proof device for lithium battery storage Technical Field The utility model relates to the technical field of lithium battery storage, in particular to an explosion-proof device for lithium battery storage. Background Under abnormal conditions such as overheat, overcharge, short circuit and the like, the lithium battery may cause internal chemical reaction to be out of control, so that the temperature of the battery is rapidly increased, and further fire or explosion is caused, and the lithium battery is generally placed in a storage box for storage in the use process. At present, among the prior art, chinese patent with bulletin number CN 118017123A discloses an explosion-proof device of lithium cell storage, the device passes through backup pad, worm wheel, crescent telescopic link, spring one, spring two, cooperation between telescopic link and the airbag, let the lithium cell be convenient for fix in the holding tank, avoid the lithium cell to take place to rock at the holding tank, utilize backup pad, telescopic link and airbag linkage simultaneously, also start fire extinguishing structure, the holding tank that does not lay the lithium cell can't start fire extinguishing structure, avoid extravagant unnecessary fire extinguishing water, and this storage device sustainable use, improve this storage device's practicality. However, when the device is actually used, chemical reaction can occur due to overheat of the lithium battery, and water can cause aggravation of the chemical reaction and cannot play an explosion-proof effect. Disclosure of utility model The utility model mainly aims to provide an explosion-proof device for lithium battery storage, which can solve the problems in the background technology. In order to achieve the above purpose, the present utility model proposes the following technical solutions: The utility model provides a lithium cell storage explosion-proof equipment, includes the storage box, the inside of storage box is provided with the radiator unit, the top fixed mounting of storage box has temperature sensor, the top fixed mounting of storage box has the controller, be provided with bleed subassembly and auxiliary heat dissipation subassembly on the outer wall of storage box, bleed the subassembly and include: the air bin is fixedly connected to the outer wall of the storage box, the top of the air bin is communicated with a one-way air extraction opening, and the side wall of the air bin is communicated with a one-way air exhaust opening; the piston plate is connected in the air bin through a piston, and is elastically connected with the inner wall of the air bin through a return spring; The mounting plate, mounting plate fixed connection is on the outer wall of gas storehouse, the downside fixedly connected with motor of mounting plate, fixedly connected with eccentric wheel on the output shaft of motor. Preferably, the one-way extraction opening is communicated with the storage box, and an output shaft of the motor penetrates through the air bin and is rotationally connected with the air bin. Preferably, the auxiliary heat dissipation assembly comprises a fixed shell, the fixed shell is fixedly connected to the outer wall of the storage box, the fixed shell is sleeved with a rotating shaft, the end part of the rotating shaft is fixedly connected with fan blades, the rotating shaft is connected with an output shaft of the motor through a transmission belt in a transmission manner, the transmission belt is driven to rotate through the output shaft of the motor, the rotating shaft is driven to rotate, the fan blades are enabled to rotate, and the air flow rate is improved. Preferably, the inner wall of the storage box is fixedly connected with a supporting plate, and the supporting plate is fixedly connected with a partition plate. Preferably, a heat dissipation groove is formed in the side wall of the storage box, and the heat dissipation groove is located below the support plate. Preferably, the heat radiation component comprises a heat absorption sheet, a copper pipe is fixedly connected to the lower side of the heat absorption sheet, a heat radiation fin is fixedly connected to the bottom of the copper pipe, the heat absorption sheet can absorb heat, and the heat is conducted onto the heat radiation fin through the copper pipe, so that heat radiation of the lithium battery is facilitated, and the probability of overheat explosion of the lithium battery is reduced. The utility model provides an explosion-proof device for lithium battery storage, which has the following beneficial effects: (1) Through the use of the air extraction assembly, when the temperature in the temperature sensor sensing storage box is too high, the controller controls the motor to start, so that the eccentric wheel rotates, the piston plate moves up and down in the air bin under the action of the reset spring, and then the air in the storage box is absorbed by the unidirectional air extra