CN219375927U - Charging protection device - Google Patents
Charging protection device Download PDFInfo
- Publication number
- CN219375927U CN219375927U CN202223111099.1U CN202223111099U CN219375927U CN 219375927 U CN219375927 U CN 219375927U CN 202223111099 U CN202223111099 U CN 202223111099U CN 219375927 U CN219375927 U CN 219375927U
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- box body
- protection box
- sealing plate
- charging
- protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical field of charging protection devices, in particular to a charging protection device which comprises a charging area and a protection box body, wherein the charging area is arranged outside the protection box body, the charging area comprises a sealing plate, a placement plate and a connecting body, the sealing plate and the placement plate are fixedly connected through the connecting body, a battery is placed between the sealing plate and the placement plate, the lower end of the connecting body extends into the protection box body to be connected with the protection box body, one side of the connecting body penetrating through the placement plate is arranged to be in telescopic connection, the connecting body stretches to enable the charging area to enter the protection box body, and the corresponding connecting end of the sealing plate and the protection box body is arranged to be in sealing fit, so that the inside and the outside of the protection box body are isolated; the sealing plate is provided with a connecting socket, and a thermal switch is arranged on the inner side of the sealing plate and used for power-off protection. The utility model can prevent serious consequences caused by expanding and spreading the combustion fire of the battery, and greatly ensures the charging safety of the battery.
Description
Technical Field
The utility model relates to the technical field of charging protection devices, in particular to a charging protection device.
Background
Nowadays, the rechargeable battery in society is widely used, especially the application of lithium battery, and it has advantages such as small volume, high capacity, no memory effect and slow self-discharge rate. However, the combustion event of the battery is frequent, various charge pals, storage batteries, electric vehicles and even medical equipment are frequent in spontaneous combustion, the principle of spontaneous combustion is mainly internal short circuit, external impact, overheating of a battery pack and the like, and the main method for putting out the fire is to cut off the power supply, continuously cool down, use water, carbon dioxide fire extinguishers, BC and ABC fire extinguishers, or transfer to a safe area and remove surrounding combustible materials and the like.
In the medical field, especially operating room, the battery charging equipment uses very extensively, and in case the battery burns, a large amount of articles such as combustible material, combustible gas, medical oxygen in operating room cause serious conflagration or explosion easily, cause great threat to patient and medical staff's life safety, in case the conflagration is very serious to the result, so a set of reliable spontaneous combustion fire protection device is very necessary.
Disclosure of Invention
The utility model aims to overcome the defects and the shortcomings of the prior art and provide a charging protection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the charging area comprises a sealing plate, a placement plate and a connecting body, wherein the sealing plate and the placement plate are fixedly connected through the connecting body, a battery is placed between the sealing plate and the placement plate, the lower end of the connecting body extends into the protection box and is connected with the protection box, one side of the connecting body, which passes through the placement plate, is connected in a telescopic way, the connecting body stretches out and draws back to enable the charging area to enter the protection box, and the corresponding connecting end of the sealing plate and the protection box is in sealing fit, so that the inside and the outside of the protection box are isolated; the sealing plate is provided with a connecting socket, and a thermal switch is arranged on the inner side of the sealing plate and used for power-off protection.
Further, the fire extinguisher also comprises a controller, a fire extinguisher and a one-way control valve thereof, wherein the fire extinguisher is arranged in alignment with the charging protection device, the controller is connected with the thermosensitive switch and the control valve through signals, and receives signals of disconnection of the thermosensitive switch to control the one-way control valve of the fire extinguisher to be opened.
Further, a telescopic device is arranged in the protection box body, one end of the connecting body penetrating through the placement plate is connected with the telescopic end of the telescopic device, and the controller controls the action of the telescopic device.
Further, the connector comprises a first connecting part, a second connecting part and a limit switch, wherein the first connecting part and the second connecting part are connected in a sleeved mode, and the limit switch is used for limiting the relative displacement of the first connecting part and the second connecting part.
Further, the limit switch comprises a spring and a clamping column, the spring and the clamping column are matched in a guide hole of the second connecting part, and the other end of the clamping column is also matched in a clamping hole of the first connecting part; the first connecting part and the second connecting part can slide relatively by pressing the clamping column.
Further, the electric power supply device further comprises a manual power-off switch, wherein the manual power-off switch and the thermal switch are connected in series.
Further, the access end of the connecting socket, the manual power-off switch, the thermal switch and the access end of the connecting socket are sequentially connected in series; the manual switch may be fixed to the outside of the sealing plate.
Further, the charging area further comprises a ventilation device, the ventilation device comprises a fan, the fan is installed at the bottom of the placement plate, the placement plate is provided with a ventilation hole, and the fan is matched in the ventilation hole and is installed opposite to the battery.
Further, a sealing gasket is arranged between the sealing plate and the corresponding connecting end of the protection box body; the sealing plate and the protection box body are made of metal materials or heat-insulating flame-retardant plates.
Further, the sealing plate is provided with a clamping edge, the connecting end corresponding to the protection box body is provided with a clamping groove, and the sealing gasket is arranged in the clamping groove.
The working process is described as follows: when the battery burns, the thermal switch is turned off, the charging circuit is turned off, the controller receives the turn-off signal of the thermal switch, namely, the controller controls the telescopic device to shrink, so that the charging area enters the protection box body, the outer side of the charging area forms isolation, and as the protection box body is a closed sealed space, after the air in the protection box body is burnt, the fire is naturally extinguished.
When the fire is great, the controller can also control the one-way control valve of the fire extinguisher to open, and the fire extinguisher can extinguish the fire.
The beneficial effects are that: the utility model can play a role in fire prevention, when the battery is spontaneous, the battery enters the protection box to be sealed and isolated from the outside, so that the battery is more safe and reliable to charge, and can play a role in protecting electric appliances and surrounding personnel when the battery is burnt, and is particularly suitable for hospitals.
Drawings
FIG. 1 is a schematic diagram of the overall system architecture of the present utility model;
FIG. 2 is a schematic diagram of a heater;
FIG. 3 is a schematic diagram of a stacked coil;
FIG. 4 is a schematic cross-sectional view of the joint of the sealing plate and the protection case of the present utility model;
fig. 5 is a schematic overall sectional structure of the present utility model.
In the figure, a sealing plate 1, a connecting socket 11, a thermal switch 12, a clamping edge 13, a sealing gasket 131, a mounting plate 2, a protection wire body 3, a clamping groove 31, a connecting body 4, a first connecting part 41, a second connecting part 42, a limit switch 43, a clamping column 431, a spring 432, a telescopic device 44, a charging area 5, an isolation area 6, a mounting area 61, a ventilation device 7 and a battery 8 are arranged.
Detailed Description
The utility model will be further described with reference to specific examples and figures.
Fig. 1 to 5 show a charging protection device, which comprises a charging area 5 and a protection box body 3, wherein the charging area 5 is arranged outside the protection box body 3, the charging area 5 comprises a sealing plate 1, a mounting plate 2 and a connecting body 4, the sealing plate 1 and the mounting plate 2 are fixedly connected through the connecting body 4, a battery 8 is arranged between the sealing plate 1 and the mounting plate 2, the lower end of the connecting body 4 extends into the protection box body 3 to be connected with the protection box body 3, one side of the connecting body 4 penetrating through the mounting plate 2 is arranged to be connected in a telescopic way, the connecting body 4 stretches to enable the charging area 5 to enter the protection box body 3, and the corresponding connecting end of the sealing plate 1 and the protection box body 3 is arranged to be in sealing fit, so that the inside of the protection box body 3 is isolated from the outside; the sealing plate 1 is provided with a connecting socket 11, a thermal switch 12 is arranged on the inner side of the sealing plate 1, and the thermal switch 12 is used for power-off protection.
In another embodiment, the fire extinguisher also comprises a controller, a fire extinguisher and a one-way control valve thereof, wherein the fire extinguisher is arranged in alignment with the charging protection device, the controller is in signal connection with the heat-sensitive switch 12 and the control valve, and receives a signal that the heat-sensitive switch 12 is disconnected to control the one-way control valve of the fire extinguisher to be opened.
In another embodiment, as shown in fig. 5, a telescopic device 44 is disposed in the protection box 3, the telescopic device 44 may be an electric cylinder, the connector 4 passes through one end of the mounting plate 2 and is connected with a telescopic end of the telescopic device 44, and the controller controls the action of the telescopic device 44; in this embodiment, the charging area 5 can automatically enter the protection box 3, and the positions of the charging area 5 and the protection box 3 are also limited to the up and down positions in fig. 1 because the telescopic device 44 can provide power.
In another embodiment, the connector 4 includes a first connecting portion 41, a second connecting portion 42, and a limit switch 43, where the first connecting portion 41 and the second connecting portion 42 are connected in a sleeved manner, and the limit switch 43 is used to limit the relative displacement of the first connecting portion 41 and the second connecting portion 42; in this embodiment, as shown in fig. 3, the limit switch 43 includes a spring 432 and a clamping post 431, the spring 432 and the clamping post 431 are matched in the guiding hole of the second connecting portion 42, and the other end of the clamping post 431 is also matched in the clamping hole of the first connecting portion 41; pressing the click post 431 allows the first connection portion 41 and the second connection portion 42 to slide relatively. When the limit switch 43 is pressed, the clamping post 431 is pressed, the spring 432 contracts, the clamping post 431 exits from the clamping hole, the limit failure occurs, the first connecting portion 41 and the second connecting portion 42 slide relatively, in this embodiment, the charging area 5 is above, the protection box 3 is below, and is affected by gravity, and the charging area 5 moves downwards and enters the protection box 3.
In another embodiment, the electric power breaker further comprises a manual power-off switch, wherein the manual power-off switch is connected with the thermal switch 12 in series, the manual power-off switch can be fixed on the outer side of the sealing plate 1 and used for manually power-off when the thermal switch 12 fails, a plurality of thermal electric switches can be arranged for preventing the situation, and the thermal electric switches are connected in series and then connected with the charging end of the battery 8 in series, so that any thermal switch 12 is effectively disconnected and can play a role of power-off protection; moreover, as shown in fig. 2, the plurality of heat-sensitive switches 12 are uniformly distributed, which is also advantageous for better detecting whether combustion of the battery 8 occurs.
In another embodiment, the connection socket 11 has an access terminal, a manual power-off switch, a thermal switch 12, and an access terminal of the connection socket 11 connected in series.
In another embodiment, the charging area 5 further includes a ventilation device 7, the ventilation device 7 includes a fan, the fan is installed at the bottom of the placement plate 2, the placement plate 2 is provided with a ventilation hole, and the fan is matched in the ventilation hole and is installed opposite to the battery 8; the battery 8 is ventilated and cooled, and the occurrence rate of spontaneous combustion due to overhigh temperature is reduced.
An isolation area 6 is arranged in the protection box body 3, the charging area 5 is pulled by the telescopic device 44, enters the isolation area 6, the part below the mounting plate 2 is a mounting area 61, the telescopic device 44 and the ventilation device 7 can be contained in the mounting area 61, and the telescopic device 44 and the ventilation device 7 in the protection box body 3 can be protected by separating the mounting plate 2.
In another embodiment, a sealing gasket 131 is arranged between the corresponding connection ends of the sealing plate 1 and the protection box 3; the sealing plate 1 and the protection box body 3 are made of metal materials or heat-insulating flame-retardant plates.
In another embodiment, as shown in fig. 4, the sealing plate 1 is provided with a clamping edge 13, the corresponding connection end of the protection box 3 is provided with a clamping groove 31, and the sealing gasket 131 is arranged in the clamping groove 31.
The working process is described as follows: when the battery 8 burns, the thermal switch 12 is turned off, the charging circuit is turned off, the controller receives the turn-off signal of the thermal switch 12, namely, controls the telescopic device 44 to shrink, so that the charging area 5 enters the protection box 3, the outer side forms isolation, and as the protection box 3 is a closed sealed space, after the air in the protection box 3 is burnt, the fire is naturally extinguished.
When the fire is great, the controller can also control the one-way control valve of the fire extinguisher to open, and the fire extinguisher can extinguish the fire.
The utility model can play a role in fire prevention, when the battery 8 is spontaneous, the battery 8 enters the protection box to be sealed and isolated from the outside, so that the battery 8 is more safe and reliable to charge, and can protect electric appliances and surrounding personnel when the battery 8 is burnt, and is especially suitable for hospitals.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The charging protection device is characterized by comprising a charging area and a protection box body, wherein the charging area is arranged outside the protection box body, the charging area comprises a sealing plate, a mounting plate and a connecting body, the sealing plate and the mounting plate are fixedly connected through the connecting body, a battery is arranged between the sealing plate and the mounting plate, the lower end of the connecting body extends into the protection box body and is connected with the protection box body, one side of the connecting body penetrating through the mounting plate is in telescopic connection, the connecting body stretches to enable the charging area to enter the protection box body, and the connecting end corresponding to the sealing plate and the protection box body is in sealing fit, so that the inside and the outside of the protection box body are isolated; the sealing plate is provided with a connecting socket, and a thermal switch is arranged on the inner side of the sealing plate and used for power-off protection.
2. The charge protection device of claim 1, further comprising a controller and a fire extinguisher and a unidirectional control valve thereof, wherein the fire extinguisher is arranged in alignment with the charge protection device, the controller is in signal connection with the thermal switch and the control valve, and the controller receives a signal that the thermal switch is turned off and controls the unidirectional control valve of the fire extinguisher to be turned on.
3. The charging protection device according to claim 2, wherein a telescopic device is arranged in the protection box body, one end of the connecting body penetrating through the mounting plate is connected with a telescopic end of the telescopic device, and the controller controls the action of the telescopic device.
4. The charge protection device of claim 1, wherein the connector comprises a first connection portion, a second connection portion, and a limit switch, the first connection portion and the second connection portion being connected in a socket joint, the limit switch being configured to limit relative displacement of the first connection portion and the second connection portion.
5. The charge protection device of claim 4, wherein the limit switch comprises a spring and a clamping post, the spring and the clamping post are matched in the guide hole of the second connecting part, and the other end of the clamping post is also matched in the clamping hole of the first connecting part; the first connecting part and the second connecting part can slide relatively by pressing the clamping column.
6. The charge protection device of claim 1, further comprising a manual power-off switch, the manual power-off switch and the thermal switch being connected in series.
7. The charge protection device of claim 6, wherein the access terminal of the connection socket, the manual power-off switch, the thermal switch, and the access terminal of the connection socket are sequentially connected in series.
8. The charge protection device of claim 1, wherein the charging zone further comprises a ventilation device comprising a fan mounted to the bottom of the mounting plate, the mounting plate having a vent opening therein, the fan being fitted in the vent opening and mounted opposite the battery.
9. The charging protection device according to claim 1, wherein a gasket is provided between the sealing plate and the corresponding connection end of the protection case; the sealing plate and the protection box body are made of metal materials or heat-insulating flame-retardant plates.
10. The charge protection device of claim 9, wherein the sealing plate is provided with a clamping edge, the corresponding connecting end of the protection box body is provided with a clamping groove, and the sealing gasket is arranged in the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223111099.1U CN219375927U (en) | 2022-11-23 | 2022-11-23 | Charging protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223111099.1U CN219375927U (en) | 2022-11-23 | 2022-11-23 | Charging protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219375927U true CN219375927U (en) | 2023-07-21 |
Family
ID=87166884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223111099.1U Active CN219375927U (en) | 2022-11-23 | 2022-11-23 | Charging protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219375927U (en) |
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2022
- 2022-11-23 CN CN202223111099.1U patent/CN219375927U/en active Active
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| GR01 | Patent grant |