CN219290483U

CN219290483U - Explosion-proof box special for lithium battery detection out of control

Info

Publication number: CN219290483U
Application number: CN202223524388.4U
Authority: CN
Inventors: 谢潇拓; 龚雪峰; 魏慎金; 陈旭; 曹伟; 陈轩; 缪乐夫; 栾霞; 王孟
Original assignee: Changzhou Huayang Examination And Detection Technology Co ltd
Current assignee: Changzhou Huayang Examination And Detection Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-04
Anticipated expiration: 2032-12-27

Abstract

The utility model provides a special explosion-proof box for detecting out of control of a lithium battery, which comprises a box body, wherein the top of the box body is movably connected with a sealing cover, the top of the sealing cover is communicated with a pressure relief pipe, the surface of the pressure relief pipe is communicated with a pressure relief valve, and the left side of the box body is provided with a fan; the utility model detects the pressure in the inner cavity of the box body through the pressure sensor, thereby being convenient for checking whether the pressure in the inner cavity of the box body is abnormal or not in the later period, detecting the temperature of the battery body through the temperature sensor, being convenient for checking whether the temperature of the battery body is abnormal or not in the later period, further realizing real-time detection, controlling the fan and the pressure release valve through the PLC, radiating the battery body through the fan, effectively reducing the temperature of the box body, effectively discharging the pressure in the inner cavity of the box body through the pressure release pipe and the pressure release valve, further realizing the pressure release in the inner cavity of the box body, timely carrying out explosion-proof operation on the battery body, and improving the safety of the box body.

Description

Explosion-proof box special for lithium battery detection out of control

Technical Field

The utility model belongs to the field of explosion-proof boxes of lithium batteries, in particular to a special explosion-proof box for detecting out of control of a lithium battery.

Background

The lithium battery explosion-proof box is used for protecting the lithium battery, can effectively block splashed explosives when the lithium battery explodes, and prevents the explosives from splashing to the outside to ignite external objects, so as to cause fire.

According to patent application number 201820546329.1, an explosion-proof box for a lithium battery is disclosed, and comprises a box body, a box cover, rollers, a lining refractory plate, reinforcing rib plates, a pressure release valve, a locking hasp, a deformation detector, a temperature sensor, a detection processing cavity, a water-based fire extinguisher, a singlechip controller and a guide pipe; the top of the box body is provided with a box cover, a deformation detector and a temperature sensor are arranged in the box body, and the end part of the box body is provided with a detection processing cavity; the inside of the detection processing cavity is provided with a water-based fire extinguisher, and the top of the detection processing cavity is provided with a singlechip controller; the conduit connects the water-based fire extinguisher and the inner cavity of the box body. The technical scheme of this comparative example can be used to temporarily deposit trouble lithium cell, still can regard as the turnover case transportation of trouble lithium cell simultaneously, in order to return former manufacture factory and unify the processing, secondly, if place the trouble lithium cell burning in the case, can be instantaneous from opening built-in fire extinguishing agent through the unit piece controller, prevent trouble lithium cell explosion and produce secondary destruction, can effectively prevent the destruction of lithium cell explosion to surrounding environment and injury to personnel, but be difficult to in time detect the state of lithium cell in placing the in-process, and then be inconvenient for looking over the state of lithium cell, and when abnormal conditions appear, be inconvenient for in time carrying out explosion-proof operation to the lithium cell, and then reduced the security of explosion-proof case.

In summary, the present utility model provides an explosion-proof box specially for detecting out of control of lithium battery to solve the above problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the special explosion-proof box for detecting the out-of-control lithium battery, which is used for solving the problems that in the prior art, the state of the lithium battery is difficult to detect in time in the placing process, the state of the lithium battery is inconvenient to check, and in addition, when an abnormal condition occurs, the explosion-proof operation is inconvenient to conduct on the lithium battery in time, so that the safety of the explosion-proof box is reduced.

The utility model provides a special explosion-proof case of lithium cell detection out of control, includes the case body, the top swing joint of case body has the closing cap, the top intercommunication of closing cap has the relief pipe, the surface intercommunication of relief pipe has the relief valve, the left side of case body is provided with the fan, the air-out end and the case body intercommunication of fan, the positive fixedly connected with PLC controller of case body, the bottom swing joint of case body inner chamber has the dry powder bag, the top swing joint of dry powder bag has the battery body, the back fixedly connected with pressure sensor of case body inner chamber, the right side fixedly connected with temperature sensor of case body inner chamber, one side and the battery body contact of case body are kept away from to temperature sensor.

Preferably, the bolts are movably connected to the periphery of the top of the sealing cover, screw holes are formed in the periphery of the top of the box body, and the bottoms of the bolts extend to the inner cavities of the screw holes and are in threaded connection with the inner cavities of the screw holes.

Preferably, the bottom of the closing cover is fixedly connected with a sealing strip, and one side, away from the closing cover, of the sealing strip is contacted with the box body.

Preferably, the air inlet end of the fan is fixedly connected with a connecting cylinder, and the inner cavity of the connecting cylinder is fixedly connected with a filter screen.

Preferably, the left side fixedly connected with backup pad of case body, the top and the fan fixed connection of backup pad.

Preferably, the support rods are fixedly connected to the periphery of the bottom of the box body, and the suction cups are fixedly connected to the bottoms of the support rods.

Preferably, the output ends of the pressure sensor and the temperature sensor are electrically connected with the input end of the PLC, and the output end of the PLC is electrically connected with the input ends of the fan, the pressure release valve, the peripheral buzzer and the peripheral flashing lamp respectively.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the box body is matched with the sealing cover, so that the box body is sealed, and the battery body is further protected, so that the situation that explosives splash to the outside to ignite external objects to cause fire is well prevented, and the dry powder bag is used for covering and extinguishing the fire when the lithium battery explodes, so that secondary explosion or fire is prevented.

2. According to the utility model, the pressure sensor detects the pressure in the inner cavity of the box body through the cooperation of the pressure release pipe, the pressure release valve, the fan, the PLC controller, the battery body, the pressure sensor and the temperature sensor, so that whether the pressure in the inner cavity of the box body is abnormal or not can be checked at a later stage, the temperature sensor is used for detecting the temperature of the battery body, whether the temperature of the battery body is abnormal or not can be checked at a later stage, further real-time detection is realized, the PLC controller is used for controlling the opening or closing of the fan and the pressure release valve, the fan is used for radiating heat of the battery body, the temperature of the box body is effectively reduced, the pressure in the inner cavity of the box body is effectively discharged through the pressure release pipe and the pressure release valve, and further the pressure release of the inner cavity of the box body is realized, so that the explosion-proof operation is timely performed on the battery body, and the safety of the box body is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the body of the case of the present utility model;

FIG. 3 is a schematic view of a partially enlarged structure of the utility model at A in FIG. 1;

fig. 4 is a schematic diagram of the system principle of the present utility model.

In the figure:

1. a case body; 2. a closing cap; 3. a pressure relief tube; 4. a pressure release valve; 5. a blower; 6. a PLC controller; 7. a battery body; 8. a pressure sensor; 9. a temperature sensor; 10. a dry powder bag; 11. a bolt; 12. a screw hole; 13. a sealing strip; 14. a connecting cylinder; 15. a support plate; 16. and (5) supporting the rod.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the utility model provides a special explosion-proof box for detecting out-of-control lithium battery, which comprises a box body 1, wherein the top of the box body 1 is movably connected with a sealing cover 2, the top of the sealing cover 2 is communicated with a pressure relief pipe 3, the surface of the pressure relief pipe 3 is communicated with a pressure relief valve 4, the left side of the box body 1 is provided with a fan 5, the air outlet end of the fan 5 is communicated with the box body 1, the front side of the box body 1 is fixedly connected with a PLC (programmable logic controller) 6, the bottom of an inner cavity of the box body 1 is movably connected with a dry powder bag 10, the top of the dry powder bag 10 is movably connected with a battery body 7, the back side of the inner cavity of the box body 1 is fixedly connected with a pressure sensor 8, the right side of the inner cavity of the box body 1 is fixedly connected with a temperature sensor 9, and one side of the temperature sensor 9 away from the box body 1 is contacted with the battery body 7.

As one implementation mode of the utility model, the bolts 11 are movably connected around the top of the sealing cover 2, screw holes 12 are formed around the top of the box body 1, the bottoms of the bolts 11 extend to the inner cavities of the screw holes 12 and are in threaded connection with the inner cavities of the screw holes 12, and the effect of facilitating connection between the box body 1 and the sealing cover 2 is achieved by arranging the screw holes 12 and the bolts 11, so that the connection stability of the box body 1 and the sealing cover 2 is ensured, and explosive substances are prevented from flying out.

As an implementation mode of the utility model, the sealing strip 13 is fixedly connected to the bottom of the closing cover 2, one side, far away from the closing cover 2, of the sealing strip 13 is contacted with the box body 1, and the sealing strip 13 has the effect of sealing the joint of the box body 1 and the closing cover 2, so that the tightness of the connection of the box body 1 and the closing cover 2 is ensured.

As an implementation mode of the utility model, the air inlet end of the fan 5 is fixedly connected with the connecting cylinder 14, the inner cavity of the connecting cylinder 14 is fixedly connected with the filter screen, and the connecting cylinder 14 has the effect of conveniently filtering outside dust and prevents the dust from wearing the fan 5.

As an implementation mode of the utility model, the left side of the box body 1 is fixedly connected with the supporting plate 15, the top of the supporting plate 15 is fixedly connected with the fan 5, and the supporting plate 15 has the effect of stably supporting the fan 5, so that the stability of the fan 5 is ensured.

As an implementation mode of the utility model, the supporting rods 16 are fixedly connected to the periphery of the bottom of the box body 1, the sucking discs are fixedly connected to the bottom of the supporting rods 16, and the supporting rods 16 are arranged to stably support the box body 1, so that the stability of the box body 1 is ensured.

As an embodiment of the present utility model, the output ends of the pressure sensor 8 and the temperature sensor 9 are electrically connected to the input end of the PLC controller 6, and the output end of the PLC controller 6 is electrically connected to the input ends of the blower 5, the pressure release valve 4, the external buzzer and the external flashing lamp, respectively.

The specific working principle is as follows:

firstly, the battery body 7 is placed at the top of the dry powder bag 10 in the inner cavity of the box body 1, when the battery body 7 explodes, the sealing cover 2 is connected with the box body 1, and then the box body 1 is sealed, so that the explosion can be well prevented from splashing to the outside to ignite external objects, and the fire disaster is caused, then the dry powder bag 10 in the inner cavity of the box body 1 is exploded by the explosion force of the battery body 7, dry powder is scattered, and then the fire disaster is further extinguished, when the pressure in the inner cavity of the box body 1 is detected by the pressure sensor 8, the pressure sensor 8 transmits the detected pressure data to the PLC controller 6, the PLC controller 6 analyzes the pressure value, when the pressure value is higher than a preset value, the PLC controller 6 transmits signals to the external buzzer and the external flashing lamp, so that the external buzzer and the external flashing lamp send alarm signals to remind workers, the pressure in the inner cavity of the box body 1 is diffused outwards through the pressure relief pipe 3, so that the pressure in the inner cavity of the box body 1 is relieved in time, the explosion-proof treatment is timely carried out, meanwhile, the temperature sensor 9 detects the temperature of the surface of the battery body 7, the temperature sensor 9 transmits detected pressure data to the PLC 6, the temperature value of the PLC 6 is analyzed, when the temperature value is higher than a preset value, the PLC 6 transmits signals to the peripheral buzzer and the peripheral flashing lamp, so that the peripheral flashing lamp sends out alarm signals, so that workers are reminded of being convenient to take precautions, the fan 5 is controlled to start, the fan 5 blows external air to the surface of the battery body 7, the battery body 7 is further cooled in time, the battery body 7 is effectively prevented from being exploded due to high temperature, the problem of among the prior art be difficult to in time detect the state of lithium cell in placing the in-process, and then be inconvenient for looking over the state of lithium cell, and when the abnormal conditions appears, be inconvenient for in time carrying out explosion-proof operation to the lithium cell, and then reduced explosion-proof case security is solved.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. The utility model provides a lithium cell detects special explosion-proof case out of control, includes case body (1), its characterized in that: the novel intelligent box is characterized in that the top of the box body (1) is movably connected with the closing cap (2), the top of the closing cap (2) is communicated with the pressure relief pipe (3), the surface of the pressure relief pipe (3) is communicated with the pressure relief valve (4), the left side of the box body (1) is provided with the fan (5), the air outlet end of the fan (5) is communicated with the box body (1), the front of the box body (1) is fixedly connected with the PLC (6), the bottom of the inner cavity of the box body (1) is movably connected with the dry powder bag (10), the top of the dry powder bag (10) is movably connected with the battery body (7), the back of the inner cavity of the box body (1) is fixedly connected with the pressure sensor (8), and one side of the box body (1) away from the temperature sensor (9) is contacted with the battery body (7).

2. The explosion-proof box special for detecting out of control of lithium battery as set forth in claim 1, wherein: the sealing cover is characterized in that bolts (11) are movably connected to the periphery of the top of the sealing cover (2), screw holes (12) are formed in the periphery of the top of the box body (1), and the bottoms of the bolts (11) extend to the inner cavities of the screw holes (12) and are in threaded connection with the inner cavities of the screw holes (12).

3. The explosion-proof box special for detecting out of control of lithium battery as set forth in claim 1, wherein: the bottom of closing cap (2) fixedly connected with sealing strip (13), one side that closing cap (2) was kept away from to sealing strip (13) contacts with case body (1).

4. The explosion-proof box special for detecting out of control of lithium battery as set forth in claim 1, wherein: the air inlet end of the fan (5) is fixedly connected with a connecting cylinder (14), and the inner cavity of the connecting cylinder (14) is fixedly connected with a filter screen.

5. The explosion-proof box special for detecting out of control of lithium battery as set forth in claim 1, wherein: the left side fixedly connected with backup pad (15) of case body (1), the top and the fan (5) fixed connection of backup pad (15).

6. The explosion-proof box special for detecting out of control of lithium battery as set forth in claim 1, wherein: the box is characterized in that support rods (16) are fixedly connected to the periphery of the bottom of the box body (1), and suction cups are fixedly connected to the bottom of the support rods (16).

7. The explosion-proof box special for detecting out of control of lithium battery as set forth in claim 1, wherein: the output ends of the pressure sensor (8) and the temperature sensor (9) are electrically connected with the input end of the PLC (6), and the output end of the PLC (6) is electrically connected with the input ends of the fan (5), the pressure release valve (4), the peripheral buzzer and the peripheral flashing lamp respectively.