CN217374186U - Charging safety cabinet - Google Patents

Abstract

The utility model provides a safety cabinet charges, include: explosion-proof cabinets and fire extinguishing devices; a cavity for placing a battery is formed in the explosion-proof cabinet, a placing frame for placing a charger is arranged in the explosion-proof cabinet, a first charging plug for connecting the charger is arranged in the explosion-proof cabinet, a second charging plug for connecting an external power supply is arranged on the outer wall of the explosion-proof cabinet, and the first charging plug is connected with the second charging plug through a wire; the fire extinguishing device is installed in the explosion-proof cabinet. Among this technical scheme, the battery is placed and is charged in the cavity, and first charging plug is connected to the input of charger, and the battery is connected to the output, and second charging plug connects external power source, and when the battery appears on fire in charging process, extinguishing device can in time put out a fire to the battery on fire, combines explosion-proof cabinet can avoid the battery to appear the danger that brings on fire in charging process, protection user's the security of the lives and property.

Description

A charging safety cabinet

technical field

The utility model relates to the technical field of charging protection, in particular to a charging safety cabinet.

Background technique

Because electric bicycles are convenient and fast, they are cost-effective travel tools for ordinary citizens. At the same time, my country's express delivery industry and takeaway industry are developing rapidly, and the demand for electric bicycles is also huge. The annual sales of electric bicycles in my country exceeds 30 million, and the social ownership is close to 300 million. The charging of so many electric bicycles is a huge problem.

There are major safety hazards in the process of charging the battery at home. For example, in May 2021, the lithium electric bicycle of the electric bicycle in Xicheng District, Beijing was brought into the home for charging, and there was smoke and then an explosion, resulting in one death and one minor injury; In September 2021, a tenant in Tongzhou, Beijing brought the lithium battery of an electric bicycle into their home for charging, and a fire caused a serious accident that killed five people. Safety accidents such as this have had a huge impact on society.

In order to improve the charging problem of electric vehicles, most communities provide electric vehicle charging areas. The charging areas cannot accommodate all electric bicycles in the community, and the electricity price in the charging area is higher than the electricity price of residents' own households, which leads to some people choosing to remove the batteries and bring them home. After charging, the safety problem of the charging process still cannot be solved.

SUMMARY OF THE INVENTION

In order to solve the problems of the prior art, the utility model provides a charging safety cabinet.

The technical scheme of the present utility model is as follows:

A charging safety cabinet, comprising: an explosion-proof cabinet and a fire extinguishing device;

The explosion-proof cabinet is provided with a cavity for battery placement, the explosion-proof cabinet is provided with a placement rack for charger placement, the explosion-proof cabinet is provided with a first charging plug for connecting the charger, the The outer wall of the explosion-proof cabinet is provided with a second charging plug for connecting to an external power source, and the first charging plug and the second charging plug are connected by wires;

The fire extinguishing device is installed in the explosion-proof cabinet, and is used to improve the safety performance during the battery charging process.

In this technical solution, the battery is placed in the cavity for charging, the input end of the charger is connected to the first charging plug, the output end is connected to the battery, and the second charging plug is connected to the external power supply. When the battery catches fire during the charging process, the fire extinguishing device The fire battery can be put out in time, and the explosion-proof cabinet can avoid the danger of fire caused by the battery during the charging process, and protect the life and property of the user.

On the basis of the above solution and as a preferred solution of the above solution, the battery is placed at the bottom of the cavity;

The fire extinguishing device includes a water tank and a sprinkler head;

The water tank is fixedly connected to the inner wall of the explosion-proof cabinet on the top of the cavity, and the top of the explosion-proof cabinet is provided with a water injection hole connected to the water tank;

The shower head is arranged at the bottom of the water tank.

In this technical solution, a specific structure of the fire extinguishing device, the battery fire is able to generate a high temperature and a large amount of smoke, the sprinkler head can automatically spray when sensing the smoke, and the water in the water tank can be sprayed and set on fire. Fire extinguishing is carried out on the battery, and the water injection hole is convenient for the operator to inject suitable water into the water tank.

On the basis of the above solution and as a preferred solution of the above solution, the bottom of the water tank is a funnel-shaped structure, and the sprinkler head is arranged at the lowest part of the funnel-shaped.

In this technical solution, the water tank is located on the top of the explosion-proof cabinet, the water in the water tank is sprayed out by the sprinkler head under the action of gravity, and the conical structure at the bottom of the water tank facilitates the vertical inflow of water to the bottom of the water tank. At the lowest point of the bottom of the conical water tank, the water in the water tank can completely enter the cavity when the fire extinguishing process is performed.

On the basis of the above solution and as a preferred solution of the above solution, the water injection hole is provided with a first gas filter plug.

In this technical solution, a large amount of harmful gas will be generated after the battery catches fire. When the water in the water tank is completely flowed out by the sprinkler head, the harmful gas enters the water tank through the sprinkler head and then flows into the air through the injection hole. The first gas filters The plug can effectively filter impurities and particles of harmful gases and reduce air pollution.

On the basis of the above solution and as a preferred solution of the above solution, the explosion-proof cabinet is provided with a sliding door for taking or placing batteries, one side of the sliding door is rotatably connected to the explosion-proof cabinet, and the sliding door is Handles are provided on the outer surface.

In this technical solution, the user pulls the sliding door through the handle to rotate the sliding door, then opens the sliding door, and the user takes or places the battery.

On the basis of the above solution and as a preferred solution of the above solution, the placement rack includes a placement plate fixedly connected to the inner wall of the sliding door and a side plate fixed to the remaining three sides of the placement plate. A placement slot is provided on the board, the first charging plug is located on the inner wall of the sliding door, and the second charging plug is located on the outer wall of the sliding door.

In this technical solution, the placing rack is arranged on the sliding door, which is convenient for the user to place the charger and connect the charger and the battery. The first charging plug and the second charging plug are located on the sliding door, which is convenient for the installation and maintenance of the circuit .

On the basis of the above scheme and as a preferred scheme of the above scheme, the fire extinguishing device is a fire extinguishing pool, the fire extinguishing pool is located in the cavity, the top of the fire extinguishing pool has an elastic plate, and the battery is placed in the an elastic plate, one end of the elastic plate is rotatably hinged with the inner wall of the explosion-proof cabinet, and a connecting device is provided between the other end and the side wall;

The connecting device includes an electromagnet installed on the elastic plate connecting iron block and on the inner wall of the explosion-proof cabinet, and the electromagnet is connected to an external power supply;

The explosion-proof cabinet also includes a temperature sensor and a control device, the temperature sensor is installed in the cavity where the battery is located, the temperature sensor is electrically connected with the control device, and the control device is arranged on the electromagnet and the power supply.

In this technical solution, when the battery catches fire during the charging process, a large amount of heat is generated, which affects the temperature in the cavity. The temperature sensor monitors the temperature in the cavity in real time and transmits it to the control device. The control device and the set The temperature is judged. When the temperature is higher than the set temperature, click on the connection between the electromagnet and the power supply, so that one end of the elastic plate iron block rotates down around the hinged end, and the battery on fire falls into the pool. Water to extinguish the fire of the battery.

On the basis of the above solution and as a preferred solution of the above solution, the top of the explosion-proof cabinet is provided with an openable sealing cover, and the sealing cover is provided with a second gas filter plug.

In this technical solution, after the battery catches fire, a large amount of harmful gas will be generated, and the harmful gas can be filtered and discharged into the air after entering the second filter plug, so as to avoid the harmful gas entering the atmosphere and affecting the environment.

On the basis of the above solution and as a preferred solution of the above solution, the top of the sealing cover is provided with a handle.

In this technical solution, the user takes or places the sealing cover through the handle so that the sealing cover and the top of the explosion-proof cabinet are in an open or closed state, which is convenient for the user to take or place the battery.

On the basis of the above solution and as a preferred solution of the above solution, the bottom of the explosion-proof cabinet is provided with four universal wheels.

In the technical solution, the four universal wheels facilitate the user to move the explosion-proof cabinet, thereby improving the use scene of the safety cabinet.

Compared with the prior art, the technical solution proposed by this application has the following beneficial effects:

When the battery is placed in the explosion-proof cabinet for charging, when the battery catches fire, the fire extinguishing device is used to extinguish the fire. Charging, to avoid personal and property damage to the user when the lithium battery catches fire during the charging process, and can effectively protect the personal safety of the user's family. In particular, when there is no public charging place in the old residential area, or the fire protection measures in the living space are not perfect, when charging the battery car, the battery can be transported to the upstairs room for charging. The charging safety cabinet of the present invention It can put out the smoke and fire during the charging of the battery, and filter the harmful smoke, so as to avoid endangering the personal safety of the user's family and the loss of the user's property. The universal wheel facilitates the movement of the safety cabinet, is beneficial for the user to move the safety cabinet to a suitable place in the family, increases the use range of the safety cabinet in the utility model, provides choices for families with different types of houses, and avoids battery fires. security incident.

In a possible embodiment of the technical solution proposed in this application, the battery is placed in the lower part of the cavity, the water tank is located above the battery, the bottom of the water tank is a funnel-shaped structure, and the sprinkler head is located at the lowest part of the water tank. When the battery is putting out the fire, the fire-extinguishing structure in this technical solution can make all the water in the water tank flow into the cavity to put out the fire.

In another possible embodiment of the technical solution proposed in this application, the battery is placed above the pool, the temperature sensor detects the temperature in the cavity in real time, and transmits the temperature obtained by detection to the control device, and the control device will obtain the obtained temperature. The temperature is compared with the set temperature. When the obtained temperature is lower than the set value, the electromagnet and the power supply remain energized, and the elastic plate supports the battery for charging; when the obtained temperature is greater than the set value, the control device disconnects the electromagnet from the power supply The connection between the two, one end of the iron block of the elastic plate rotates down around the hinged one end, and the battery on fire falls into the pool to extinguish the fire.

Summary In practical application, the utility model can effectively avoid personal injury and property loss caused by smoke and fire during the battery charging process, and effectively solve the safety problem caused by battery car charging.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

1 is a schematic perspective view of a first embodiment of the present invention;

Fig. 2 is a schematic diagram of a cross-sectional view of an embodiment of the present utility model where a placing rack is located on a card door;

3 is a schematic cross-sectional view of the first embodiment of the present utility model where a placing rack is located on the inner wall of an explosion-proof cabinet;

4 is a schematic perspective view of Embodiment 2 of the present invention;

FIG. 5 is a schematic cross-sectional view of the second embodiment of the present invention.

In the figure: 1. Explosion-proof cabinet; 101. Cavity; 2. Handle; 3. Universal wheel; 4. First gas filter plug; 5. Water tank; 6. Battery; 7. Placing plate; 8. First charging plug ;9, shower head; 10, side plate; 11, second charging plug; 13, pool; 14, elastic plate; 15, sealing cover; 16, handle; 17, second gas filter plug; 18, handle; 19. Sliding doors.

Detailed ways

The present utility model will be described in detail below with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that, for those skilled in the art, several changes and improvements can be made without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

In order to better illustrate the present utility model, the present utility model is described in detail below with reference to the accompanying drawings 1-5.

Example 1:

1-2, a charging safety cabinet in this embodiment includes an explosion-proof cabinet 1, a water tank 5 and a shower head 9. The explosion-proof cabinet 1 is provided with a cavity 101 for placing the battery 6. During charging, the battery 6 Placed at the bottom of the cavity 101, the water tank 5 is fixed on the inner wall of the top of the explosion-proof cabinet 1, the top of the explosion-proof cabinet 1 is provided with a water injection hole connected to the water tank 5, the bottom of the water tank 5 is a funnel-shaped structure design, and the sprinkler head 9 is installed in At the bottom of the funnel-shaped structure, the explosion-proof cabinet 1 is provided with a rack for placing the charger, the inside of the explosion-proof cabinet 1 is provided with a first charging plug 8 for connecting the charger, and the outer wall of the explosion-proof cabinet 1 is provided with a first charging plug 8 for connecting to an external power supply. Two charging plugs 11, the first charging plug 8 and the second charging plug 11 are connected by wires. It should be noted that, in this embodiment, the explosion-proof cabinet 1 further includes a sliding door 19, the sliding door 19 is arranged on any side of the explosion-proof cabinet 1, and one side of the sliding door 19 is connected to the explosion-proof cabinet 1 through a hinge that can be rotatably connected. Fixed, there is a pull handle 2 on the sliding door 19 that is easy to pull. It is worth mentioning that the side of the explosion-proof cabinet 1 is provided with a material port for taking or placing the battery 6, the material port is surrounded by a groove surrounded by silica gel, and the side of the sliding door 19 that matches the material port is provided with a groove. The protrusions are matched with the grooves, and the protrusions are matched with the grooves so that the sliding door 19 and the explosion-proof cabinet 1 form a sealing structure. It is worth mentioning that there is a power protection device on the second charging plug. When the battery in the charging cabinet catches fire or explodes, the power protection device can automatically cut off the power to prevent safety problems caused by water conduction.

In the actual use process, before charging and using, the water tank 5 is filled with water through the water injection hole on the top of the explosion-proof cabinet 1 , and the battery 6 to be charged is placed in the cavity 101 by first opening the sliding door 19 on the top of the explosion-proof cabinet 1 . Then place the charger on the shelf, the input end of the charger is connected to the first socket, the output end of the charger is connected to the battery 6 with charging, the user closes the sliding door 19 through the handle 2, and the protruding end of the sliding door 19 The raised portion is matched with the groove of the explosion-proof cabinet 1 so that the sliding door 19 forms a sealing fit with the explosion-proof cabinet 1 , and the external power source is connected to the second charging plug 11 so that the rechargeable battery 6 enters the charging state. When the rechargeable battery 6 emits smoke and catches fire during the charging process, the sprinkler head 9 automatically opens after sensing the smoke, and the water in the water tank 5 is sprinkled on the fire battery 6 through the sprinkler head 9. It should be noted that In this embodiment, the volume of water in the water tank 5 can submerge the battery 6 when it falls into the cavity 101 , so that the battery 6 that catches fire is extinguished by water.

Referring to FIG. 2 , a specific example of the placement rack in this embodiment, the placement rack includes a placement plate 7 fixedly connected to the inner wall of the sliding door 19 and a side plate 10 fixed to the remaining three sides of the placement plate 7 . The board 10 is provided with a placement slot, the first charging plug 8 is located on the inner wall of the sliding door 19 , and the second charging plug 11 is located on the outer wall of the sliding door 19 . The placement rack is arranged on the sliding door 19, which is convenient for the user to place the charger and connect the charger to the battery 6. The first charging plug 8 and the second charging plug 11 are located on the sliding door 19, which is convenient for circuit installation and maintenance. . It should be noted that, in other embodiments, as shown in FIG. 3 , another setting method of the placing rack is that the placing plate 7 is fixedly connected to the inner wall of the explosion-proof cabinet 1 , and the other three sides of the placing plate 7 are respectively fixed and connected. There is one side plate 10, three side plates 10 and the inner wall of the explosion-proof cabinet 1 to form a charger placement slot. Such modification solutions of changing the placement rack at the position of the explosion-proof cabinet 1 are all within the protection scope of the present utility model.

When the battery 6 is on fire, a large amount of smoke will be produced, and the smoke has a large amount of toxic and harmful gases. When the shower head 9 flows all the water in the water tank 5 into the cavity 101, the toxic and harmful gases enter the water tank 5 through the shower head 9. , and then flows into the atmosphere through the water injection port, which will pollute the atmosphere. If the technical solution of sealing the water injection port is adopted, the high temperature and smoke generated by the fire of the battery 6 will increase the pressure in the cavity 101, resulting in a safety accident. To this end, in this embodiment, the water injection hole is provided with a first gas filter plug 4 . After the battery 6 catches fire, a large amount of harmful gas will be produced. When the shower head 9 completely flows out the water in the water tank 5, the harmful gas enters the water tank 5 through the shower head 9 and then flows into the air through the injection hole. The first gas filters The plug 4 can effectively filter impurities and particles of harmful gases and reduce air pollution.

Referring to FIGS. 1-3 , in a specific example of this embodiment, the bottom of the explosion-proof cabinet 1 is provided with four universal wheels 3 . The universal wheel 3 facilitates the movement of the safety cabinet, which is beneficial for the user to move the safety cabinet to a suitable place in the family, increases the use range of the safety cabinet in the present invention, provides choices for families with different types of houses, and avoids the battery 6. security incident.

In the actual use process, the material used for the sliding door is metal, the thickness of the sliding door is not less than 1.0mm, and in the static pressure test, the strength of the sliding door is not less than 600N. The metal shell of the explosion-proof cabinet has anti-rust requirements, and its anti-rust performance meets the 48h salt spray test.

Due to the fact that there are no or insufficient charging places in the existing community, and the charging cost is high, some people bring the battery 6 upstairs to charge, resulting in a safety accident during the charging process of the rechargeable battery 6 of the battery car. Although the battery 6 is prohibited from going upstairs, But the results did not meet expectations. The use of the charging safety cabinet of the present invention can avoid the occurrence of safety accidents. The charging safety cabinet in this embodiment can put out the battery 6 that is smoking and on fire, eliminates danger, and effectively solves the balance between safety and economy.

Embodiment 2:

Referring to FIGS. 4-5 , in this embodiment, a charging safety cabinet includes an explosion-proof cabinet 1 and a water pool 13 . The explosion-proof cabinet 1 has a cavity 101 for placing the battery 6 in the explosion-proof cabinet 1 , and the water pool 13 is arranged in the explosion-proof cabinet 1 . The bottom of the cavity 101 and the top of the pool 13 are provided with an elastic plate 14 for placing the battery 6. One end of the elastic plate 14 is rotatably hinged to the inner wall of the explosion-proof cabinet 1, and the other end has a connecting device with the side wall; it should be noted that this In the embodiment, the specific structure of the connection device includes an electromagnet installed on the elastic plate 14 to connect the iron block and an electromagnet installed on the inner wall of the explosion-proof cabinet 1, and the electromagnet is connected to an external power supply; the explosion-proof cabinet 1 also includes a temperature sensor and a control device, and the temperature sensor is installed in the explosion-proof cabinet 1. In the cavity 101 where the battery 6 is located, the temperature sensor is electrically connected to the control device, and the control device is arranged between the electromagnet and the power supply; the placement plate 7 is fixedly connected to the inner wall of the explosion-proof cabinet 1, and the remaining three sides of the placement plate 7 One side plate 10 is fixedly connected respectively. The three side plates 10 and the inner wall of the explosion-proof cabinet 1 enclose a charger placement slot. Externally, the top of the explosion-proof cabinet 1 is provided with an openable sealing cover 15 , and the top of the sealing cover 15 is provided with a handle 16 . It should be noted that when the connection between the electromagnet and the power supply is disconnected, one end of the iron block of the elastic plate 14 is rotated downward around the hinged end, the top of the pool 13 is opened, water is injected into the pool 13, and then the electromagnet Connect to the power supply, move the elastic plate 14 so that the electromagnet magnetically attracts the iron blocks connected to the elastic plate 14 .

In the actual use process, the user drives the sealing cover 15 through the handle 16, so that the sealing cover 15 is separated from the top of the explosion-proof cabinet 1, and the battery 6 to be charged is placed on the elastic plate 14. The battery 6 appears during the charging process. When a fire occurs, a large amount of heat is generated, which affects the temperature in the cavity 101. The temperature sensor monitors the temperature in the cavity 101 in real time and transmits it to the control device. The control device judges the set temperature. When the temperature is higher than the set temperature , click on the connection between the electromagnet and the power supply, so that one end of the iron block of the elastic plate 14 rotates downward around the hinged end, the battery 6 on fire falls into the pool 13, and the water in the pool 13 is opposite to the battery 6 on fire Carry out fire fighting. It is worth mentioning that in this embodiment, a handle 18 is provided on the side of the explosion-proof cabinet 1 to facilitate the user to move the explosion-proof cabinet 1 .

When the battery 6 is on fire, a large amount of smoke will be generated, and the smoke contains a large amount of toxic and harmful gases. The high temperature and smoke generated by the battery 6 fire will increase the pressure in the cavity 101 and cause a safety accident. To this end, in this embodiment, the sealing cover 15 is provided with a second gas filter plug 17, which can effectively filter impurities and particles of harmful gases and reduce air pollution.

Referring to FIGS. 4-5 , in a specific example of this embodiment, the bottom of the explosion-proof cabinet 1 is provided with four universal wheels 3 . The universal wheel 3 facilitates the movement of the safety cabinet, which is beneficial for the user to move the safety cabinet to a suitable place in the family, increases the use range of the safety cabinet in the present invention, provides choices for families with different types of houses, and avoids the battery 6. security incident. It is worth mentioning that,

In the actual use process, the user moves the charging safety cabinet of the present invention to an area that can be charged at home, opens the sealing cover 15 through the handle 16, places the battery 6 to be charged on the elastic plate 14, and then charges The charger is placed on the placement plate 7, the input end of the charger is connected to the first charging plug 8, the side plate 10 has a placement slot for the charger wire, the output end of the charger is connected to the output end of the battery 6 to be charged, and the The battery 6 enters the charging state, and the user closes the sealing cover 15. It should be noted that the water pool 13 in this embodiment has been pre-installed with water that can submerge the battery 6, and the second charging plug 11 is connected to the external power supply in advance to ensure The electromagnet and the iron block are in a state of magnetic attraction. When the battery 6 emits smoke and fires during the charging process, the temperature sensor detects the temperature in the cavity 101 and transmits it to the control device. The control device receives the temperature data and compares it with the set value. When the temperature data appears When the value is greater than the set value, the control device disconnects the electrical connection between the electromagnet and the power supply, so that one end of the iron block of the elastic plate 14 rotates downward around the hinged end, the top of the pool 13 is opened, and the faulty battery 6 falls to the bottom. Fire extinguishing and cooling are carried out in the pool 13 to avoid the occurrence of fire. In the real environment, a charging safety cabinet proposed by the present invention is urgently needed to solve the problem of safety during charging at home, and has popularization value and practical benefits.

To sum up, the technical solution proposed in the present application can put out the battery that emits smoke and fire during the charging process, so as to prevent the battery that emits smoke and fire from harming the safety of life and property of the user.

The application of the technical solution of the present utility model in actual life can bring great effects. The safety cabinet for charging of the technical solution of the present invention can effectively alleviate the problem of difficulty in charging the batteries of electric vehicles in urban communities today, and the technical solution of the present invention The safety cabinet in the scheme can avoid the safety problems caused by the rechargeable battery during the charging process.

It should be noted that the materials used in the electrical circuit used in the present invention have flame retardant properties and meet the requirements of GB/T 5169.16-2017. The outer surface of the explosion-proof cabinet is coated with a protective layer with anti-rust function. The color layer of the protective layer should be uniform and smooth, without blistering, cracking or falling off. All edges of the outer surface of the explosion-proof cabinet should be rounded to avoid Sharp edges and corners can cause harm to others during use.

The specific embodiments of the present invention have been described above. It should be understood that the present invention is not limited to the above-mentioned specific implementation manner, and for the combination of one or more of the above-mentioned embodiments, those skilled in the art can make various changes or modifications within the scope of the claims. combination, this does not affect the essential content of the present invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily, provided that there is no conflict.

Claims (10)

1. A charging safety cabinet, comprising: an explosion-proof cabinet and a fire extinguishing device; The explosion-proof cabinet is provided with a cavity for battery placement, the explosion-proof cabinet is provided with a placement rack for charger placement, the explosion-proof cabinet is provided with a first charging plug for connecting the charger, the The outer wall of the explosion-proof cabinet is provided with a second charging plug for connecting to an external power source, and the first charging plug and the second charging plug are connected by wires; The fire extinguishing device is installed in the explosion-proof cabinet for improving the safety performance during the battery process. 2. A charging safety cabinet according to claim 1, wherein the battery is placed at the bottom of the cavity; The fire extinguishing device includes a water tank and a sprinkler head; The water tank is fixedly connected to the inner wall of the explosion-proof cabinet on the top of the cavity, and the top of the explosion-proof cabinet is provided with a water injection hole connected to the water tank; The shower head is arranged at the bottom of the water tank. 3 . The charging safety cabinet according to claim 2 , wherein the bottom of the water tank is a funnel-shaped structure, and the shower head is arranged at the lowest part of the funnel-shaped. 4 . 4 . The charging safety cabinet according to claim 2 or 3 , wherein a first gas filter plug is provided on the water injection hole. 5 . 5 . The charging safety cabinet according to claim 4 , wherein a sliding door for taking or placing batteries is provided on the explosion-proof cabinet, and one side of the sliding door is rotatably connected to the explosion-proof cabinet. 6 . , a handle is provided on the outer surface of the sliding door. 6 . The charging safety cabinet according to claim 5 , wherein the placing rack comprises a placing plate fixedly connected with the inner wall of the sliding door and side plates fixed on the remaining three sides of the placing plate, 6 . Any one of the side panels is provided with a placement slot, the first charging plug is located on the inner wall of the sliding door, and the second charging plug is located on the outer wall of the sliding door. 7 . The charging safety cabinet according to claim 1 , wherein the fire extinguishing device is a fire extinguishing pool, the fire extinguishing pool is located in the cavity, and the top of the fire extinguishing pool has an elastic plate, and the The battery is placed on the elastic plate, one end of the elastic plate is rotatably hinged with the inner wall of the explosion-proof cabinet, and a connecting device is provided between the other end and the side wall; The connecting device includes an electromagnet installed on the elastic plate connecting iron block and on the inner wall of the explosion-proof cabinet, and the electromagnet is connected to an external power supply; The explosion-proof cabinet also includes a temperature sensor and a control device, the temperature sensor is installed in the cavity where the battery is located, the temperature sensor is electrically connected with the control device, and the control device is arranged on the electromagnet and the power supply. 8 . The charging safety cabinet according to claim 7 , wherein the top of the explosion-proof cabinet is provided with an openable sealing cover, and the sealing cover is provided with a second gas filter plug. 9 . 9 . The charging safety cabinet according to claim 8 , wherein a handle is provided on the top of the sealing cover. 10 . 10 . The charging safety cabinet according to claim 1 , wherein the bottom of the explosion-proof cabinet is provided with four universal wheels. 11 .

Images