CN215971170U

CN215971170U - Direct current charging pile with fire extinguishing device

Info

Publication number: CN215971170U
Application number: CN202122386693.0U
Authority: CN
Inventors: 刘阳
Original assignee: Wuhan Chengrui Electric Appliance Co ltd
Current assignee: Wuhan Chengrui Electric Appliance Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-03-08
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to a direct current charging pile with a fire extinguishing device, which comprises a shell, an executing device and the fire extinguishing device, wherein the executing device is arranged in the shell; the fire extinguishing device comprises a pressure container and a temperature sensing conveying pipe; the temperature sensing conveying pipe is communicated with the pressure container, and fire extinguishing media are filled in the temperature sensing conveying pipe and the pressure container; the temperature sensing conveying pipe is arranged in the shell, and when the charging pile is in a fire burning or over-high temperature state in an abnormal state, the temperature sensing conveying pipe is softened at the highest heating temperature and generates melting fracture to release a fire extinguishing medium, so that the fire hazard can be automatically detected and the fire can be automatically extinguished; the fire extinguishing medium can be strontium salt, ammonium salt fire extinguishing aerosol or other insulating materials, and only the high-temperature combustion part is extinguished under the working or standby state of the charging pile, so that the electric devices of the charging pile cannot be damaged, and the charging pile does not need to be powered off and does not need human intervention during fire extinguishing; when filling electric pile trouble elimination, temperature and reducing to the standard degree, fill electric pile and can continue work.

Description

Direct current charging pile with fire extinguishing device

Technical Field

The utility model relates to the technical field of charging piles, in particular to a direct-current charging pile with a fire extinguishing device.

Background

With the coming of the policy of the country encouraging the development of new energy automobiles, various electric automobiles with excellent performance are promoted by various automobile manufacturers, and the electric automobiles are popularized in a large quantity. Meanwhile, various types of charging base settings for electric vehicles are also being vigorously developed in society. The direct current fills electric pile and is regarded as a part of the infrastructure that charges, has important meaning to the popularization and development that promote electric automobile.

Along with the increase of direct current charging pile operation age to and the influence of the external high temperature and high humidity environment that charging pile located, cause and fill the ageing phenomenon of electric pile also can take place the internal line, in case the temperature risees, the big position heat gathering of overcurrent can cause the burning of generating heat. It is reported that the fact that electric vehicles and charging piles ignite and burn frequently occurs as the temperature rises in summer.

Conventional fire extinguishing apparatuses are manual fire extinguishing apparatuses, such as manual fire extinguishers. At present each station of charging all is equipped with the manual fire extinguisher of forced fire extinguishing, but when utilizing these manual fire extinguishers to putting out a fire to charging pile, at first need artifical discovery to fill the inside phenomenons such as smoking, naked light that appear of electric pile, then need personnel's manual work to get the fire extinguisher, manual operation opens the fire extinguisher, aims at the goods source and sprays powder or liquid of putting out a fire. Meanwhile, before extinguishing a fire, the charging pile must be powered off first. The efficiency of putting out a fire is low, in case the open fire burning phenomenon appears, shows to fill electric pile inside damage has appeared moreover, puts out a fire in time inadequately.

Therefore, the direct current charging pile for the electric vehicle, which is safe and stable, can automatically detect the hidden danger of fire and automatically extinguish the fire, is a problem which is urgently expected to be solved by the industry.

SUMMERY OF THE UTILITY MODEL

Based on the expression, the utility model provides the direct-current charging pile with the fire extinguishing device, the temperature sensing conveying pipe is arranged in the shell, when the temperature in the shell rises to reach the critical value, the temperature sensing conveying pipe is softened at the highest heating temperature position and generates melting fracture, and the fire extinguishing medium is released to a protected area through the temperature sensing conveying pipe or the nozzle, so that the automatic fire hazard detection and the automatic fire extinguishing are realized.

The technical scheme for solving the technical problems is as follows: a direct current charging pile with a fire extinguishing device comprises a shell, the fire extinguishing device, an executing device and a power supply device, wherein the executing device and the power supply device are installed in the shell, and the power supply device is connected with the executing device through a high-voltage direct current output line; the fire extinguishing device comprises a pressure container and a temperature sensing conveying pipe; the temperature sensing conveying pipe is communicated with the pressure container, and fire extinguishing media are filled in the temperature sensing conveying pipe and the pressure container; the temperature sensing conveying pipe is arranged in the shell.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, a mounting bracket is mounted in the shell, and a mounting plate is mounted on the mounting bracket; the actuating device is arranged on the front side surface of the mounting plate; the power supply device is installed on the mounting bracket, and the power supply device is located on the rear side of the mounting plate.

Furthermore, the temperature sensing conveying pipe extends along the high-voltage direct-current output line, and the temperature sensing conveying pipe extends to the power supply device.

Further, the pressure vessel is installed on one side of the shell, and the temperature sensing conveying pipe and the high-voltage direct-current output line penetrate through the installation support on the other side of the shell.

Furthermore, the temperature sensing conveying pipe is tightly attached to the high-voltage direct-current output line.

Furthermore, the shell, the mounting bracket and the mounting plate are all made of metal materials, and the temperature sensing conveying pipe is tightly attached to the mounting plate.

Further, the high-voltage direct current output line and the temperature sensing conveying pipe are installed above the executing device.

Further, the fire extinguishing medium is an insulating material.

Further, the temperature sensing delivery pipe is communicated with the pressure container through a container valve.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

1. according to the utility model, the temperature sensing conveying pipe is arranged in the shell, when the charging pile is in a fire burning state or an over-high temperature state in an abnormal state, the temperature sensing conveying pipe is softened at the highest heating temperature and generates melting fracture to release a fire extinguishing medium, so that the fire hazard can be automatically detected and the fire can be automatically extinguished;

2. the fire extinguishing medium can be strontium salt, ammonium salt fire extinguishing aerosol or other insulating materials, and only the high-temperature combustion part is extinguished under the working or standby state of the charging pile, so that the electric devices of the charging pile cannot be damaged, and the charging pile does not need to be powered off and does not need human intervention while extinguishing fire; in addition, when filling electric pile trouble elimination, temperature and reducing to standard degree, fill electric pile and can continue work.

Drawings

Fig. 1 is a schematic structural diagram of a dc charging pile with a fire extinguishing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a housing according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of the housing in an embodiment of the present invention;

FIG. 4 is a schematic view of another embodiment of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. a housing; 11. mounting a bracket; 12. mounting a plate; 13. a front panel; 14. a heat sink; 15. Hanging a wall bracket; 16. a gun line aperture; 2. a pressure vessel; 3. a temperature sensing delivery pipe; 4. an execution device; 5. A power supply device; 6. a high voltage direct current output line; 7. and a control device.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. The "connection" in the following embodiments is understood as "electrical connection", "communication connection", or the like if the connected circuits, modules, units, or the like have electrical signals or data transmission therebetween.

A direct current charging pile with a fire extinguishing device comprises a shell 1, the fire extinguishing device, an executing device 4, a power supply device 5 and a control device 7. Wherein, install mounting bracket 11 in the casing 1, install mounting panel 12 on the mounting bracket 11. The actuating device 4 and the control device 7 are both mounted on the front side of the mounting plate 12, and the control device 7 is electrically connected with the actuating device 4, and the control device 7 is used for controlling the working state of the actuating device 4. The power supply device 5 is mounted on the mounting frame 11, the power supply device 5 is connected with the actuating device 4 through the high-voltage direct current output line 6, and the power supply device 5 supplies power to the actuating device 4.

The fire extinguishing device comprises a pressure container 2 and a temperature sensing conveying pipe 3. The temperature sensing conveying pipe 3 is communicated with the pressure container 2 through a container valve, the pressure container 2 and the temperature sensing conveying pipe 3 are filled with high-pressure fire extinguishing media, and the pressure container 2 can supplement the fire extinguishing media into the temperature sensing conveying pipe 3. When the temperature rise in the shell 1 reaches the critical value, the temperature sensing conveying pipe 3 is softened at the highest position of the heating temperature and generates melt fracture, so that the fire extinguishing medium is continuously released to a protected area through the temperature sensing conveying pipe 3 or a nozzle, and automatic detection of fire hazard and automatic fire extinguishing are realized.

Preferably, the fire extinguishing medium can be selected from strontium salt, ammonium salt fire extinguishing aerosol or other insulating materials. Under charging pile work or standby state, only carry out the fire extinguishing to the high temperature burning part, can not cause the damage to charging pile electrical apparatus, consequently fill electric pile when putting out a fire and need not cut off the power supply, need not artificial intervention. In addition, when filling electric pile trouble elimination, temperature and reducing to standard degree, fill electric pile and can continue work.

In this embodiment, the power supply device 5 is mounted on the rear side of the mounting plate 12, and the high-voltage dc output line 6 penetrates the mounting frame 11 on the right side of the housing 1 for connecting the power supply device 5 and the actuator 4. Therefore, the pressure vessel 2 is mounted on the left side in the casing 1, the temperature sensing feed pipe 3 extends along the high voltage dc output line, and the temperature sensing feed pipe 3 also extends to the power supply unit 5 through the mounting bracket 11 on the right side of the casing 1. And the temperature sensing conveying pipe 3 and the high-voltage direct-current output line 6 are arranged above the actuating device 4, so that fire extinguishing media sprayed out during fire extinguishing can submerge the actuating device 4.

The casing 1, the mounting bracket 11 and the mounting plate 12 are made of metal materials, the heat transfer effect is good, and in the embodiment, the mounting plate 12 is an aluminum alloy plate. In addition, the temperature sensing conveying pipe 3 is tightly attached to the high-voltage direct-current output line 6 and the mounting plate 12, and the temperature conditions of the high-voltage direct-current output line 6 and the shell 1 are monitored constantly, so that the temperature can be detected more quickly and accurately.

The front side of the casing 1 is provided with a front panel 13 which is rotatably connected with the casing 1, and the front panel 13 is provided with a display screen for displaying the working state of each device in the casing 1. The front panel 13 forms a closed space in the housing 1, and by opening the housing 1, each device in the housing 1 can be replaced or inspected. The left and right sides of the housing 1 are also provided with heat sinks 14, wall-mounted brackets 15 and gun-line holes 16. The gun wire extends from the gun wire hole 16 for charging the electric vehicle.

By arranging a set of simple, low-cost, high-efficiency and reliable independent automatic fire extinguisher system, the fire extinguishing device does not need any power supply, special smoke and temperature-sensitive detectors, and complex equipment and pipelines, utilizes self pressure storage, and can quickly, accurately and effectively detect and extinguish a fire source by depending on a pressurized temperature-sensitive conveying pipe 3 and a pressure container 2 for storing fire extinguishing media, integrates alarming and fire extinguishing into a whole, and extinguishes the fire at the initial stage, thereby greatly reducing the construction cost of the project, reducing the cost of fire extinguishing each time, and avoiding any injury to personnel. The original full-submerged protection for a larger closed space can be changed into the direct protection for various closed or semi-closed space equipment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A direct current charging pile with a fire extinguishing device is characterized by comprising a shell (1), the fire extinguishing device, an executing device (4) and a power supply device (5), wherein the executing device (4) and the power supply device (5) are installed in the shell (1), and the power supply device (5) is connected with the executing device (4) through a high-voltage direct current output line (6); the fire extinguishing device comprises a pressure container (2) and a temperature sensing conveying pipe (3); the temperature sensing conveying pipe (3) is communicated with the pressure container (2), and fire extinguishing media are filled in the temperature sensing conveying pipe (3) and the pressure container (2); the temperature sensing conveying pipe (3) is installed in the shell (1).

2. The direct current charging pile with the fire extinguishing device is characterized in that a mounting bracket (11) is installed in the shell (1), and a mounting plate (12) is installed on the mounting bracket (11); the actuating device (4) is arranged on the front side surface of the mounting plate (12); the power supply device (5) is installed on the mounting bracket (11), and the power supply device (5) is located on the rear side of the mounting plate (12).

3. The direct current charging pile with fire extinguishing apparatus according to claim 2, wherein the temperature sensing duct (3) extends along the high voltage direct current output line (6), and the temperature sensing duct (3) extends to the power supply apparatus (5).

4. A dc charging pile with fire extinguishing apparatus according to claim 3, wherein the pressure vessel (2) is installed at one side in the housing (1), and the temperature sensing delivery pipe (3) and the high voltage dc output line (6) penetrate the mounting bracket (11) at the other side of the housing (1).

5. The direct current charging pile with the fire extinguishing device according to claim 3, wherein the temperature sensing conveying pipe (3) is tightly attached to the high voltage direct current output line (6).

6. The direct current charging pile with the fire extinguishing device according to claim 2, wherein the housing (1), the mounting bracket (11) and the mounting plate (12) are made of metal materials, and the temperature sensing conveying pipe (3) is tightly attached to the mounting plate (12).

7. The direct current charging pile with the fire extinguishing device according to claim 1, wherein the high voltage direct current output line (6) and the temperature sensing conveying pipe (3) are installed above the actuating device (4).

8. The direct current charging pile with the fire extinguishing apparatus according to claim 1, wherein the fire extinguishing medium is an insulating material.

9. The direct current charging pile with the fire extinguishing device according to claim 1, wherein the temperature sensing delivery pipe (3) is communicated with the pressure vessel (2) through a vessel valve.