Fire extinguishing device for power distribution cabinet

Abstract

The utility model relates to the field of power distribution cabinets, and provides a power distribution cabinet fire extinguishing device which comprises a base, a power distribution station fixedly installed in the center of the top of the base, a shell fixedly installed on the edge of the top of the base, a heat dissipation hole formed in the rear portion of the shell, a baffle slidably installed on the inner side of the heat dissipation hole, and a spraying plate fixedly installed at one end of the inner side of the shell. The spraying plate is connected with an aerosol tank, the aerosol tank is fixedly installed on the outer side of the outer shell through a connecting block, a sensor is fixedly installed at the other end of the inner side of the outer shell, and a standby power source is fixedly installed on the rear portion of the base. According to the power distribution cabinet, contact between internal air and external air is avoided, so that air circulation is avoided, the spraying plate is arranged in the shell, multi-point spraying at different heights can be achieved, aerosol is sprayed out, air at the ignition position is isolated, and therefore the fire extinguishing work of the power distribution cabinet is rapidly and efficiently achieved.

Description

Technical Field

[0001] The utility model belongs to the field of power distribution cabinets and relates to a fire extinguishing device for a power distribution cabinet. Background Art

[0002] The distribution cabinet is divided into power distribution cabinet, lighting distribution cabinet and metering cabinet. It is the final equipment of the distribution system. The distribution cabinet is a general term for the motor control center.

[0003] The distribution cabinet will generate a lot of heat when working, especially when it is running at high load in summer. The heat will continue to accumulate and may cause a fire in the distribution cabinet, resulting in a dangerous situation. Therefore, a fire extinguishing component will be installed inside the distribution cabinet. Usually a carbon dioxide fire extinguisher is used. However, due to the connection between the internal air and the external air, the spraying of carbon dioxide will cause internal and external air circulation, which will result in a poor effect. Utility Model Content

[0004] The utility model aims to provide a fire extinguishing device for a distribution cabinet, which solves the problem that the distribution cabinet will generate a lot of heat when working, especially when running at high load in summer, the heat will continue to accumulate, which may cause a fire in the distribution cabinet and cause a dangerous situation. Therefore, a fire extinguishing component is arranged inside the distribution cabinet, and a carbon dioxide fire extinguisher is usually selected. However, since the internal air is connected to the external air, the carbon dioxide is sprayed out, causing the internal and external air circulation, which leads to the problem that the effect is not very good.

[0005] The technical solution of the utility model is achieved as follows: it includes a base, a distribution station is fixedly installed at the center position of the top of the base, a shell is fixedly installed at the edge position of the top of the base, a heat dissipation hole is arranged at the rear of the shell, a baffle is slidably installed inside the heat dissipation hole, a spray plate is fixedly installed at one end of the inner side of the shell, the spray plate is connected to an aerosol can, the aerosol can is fixedly installed on the outer side of the shell through a connecting block, a sensor is fixedly installed at the other end of the inner side of the shell, a backup power supply is fixedly installed at the rear of the base, a plurality of control switches and controllers are installed on the outer side of the distribution station, and the sensors include a temperature sensor and a fire sensor.

[0006] As a preferred solution of the utility model, the corners of the bottom of the base are provided with fixing holes, and the fixing holes are formed by milling.

[0007] As a preferred solution of the utility model, two slideways are fixedly installed on the inner rear part of the shell, a slider is slidably installed on the inner side of the slideway, a baffle is fixedly installed between the two sliders, the slider is fixedly installed on the outer side of the baffle by bolts, and a plurality of strip holes are arranged on the baffle.

[0008] As a preferred solution of the utility model, racks are fixedly installed at both ends of the outer side of the baffle, gears are installed on the racks, and the gears are installed on the rotating shaft of the motor. The motor is fixedly installed on the rear side of the slide through a fixed block, and a heat dissipation channel is provided on the outer side of the circumference of the motor, which can increase the contact area with the air and accelerate the heat dissipation.

[0009] As a preferred solution of the utility model, a bayonet is provided at one end of the top of the baffle, an electromagnet is provided outside the bayonet, the electromagnet is fixedly installed on the rear side of the shell, and a block is provided at the inner end of the electromagnet, which is smaller than the bayonet.

[0010] As a preferred solution of the utility model, a valve body is fixedly installed on the top of the bottom plate of the aerosol can, the top of the valve body is connected to the injection plate through a pipeline, a plurality of nozzles are installed on the inner side of the injection plate, the valve body is a solenoid valve, and the valve body is connected to the backup power supply through electric wires.

[0011] As a preferred solution of the utility model, a ceiling is installed on the top of the shell, and the ceiling is fixedly installed on the top of the shell by means of bolts.

[0012] As a preferred solution of the utility model, a door is installed on the front of the shell, a handle is fixedly installed on the outside of the door, the door is rotatably installed on the front of the shell by a pin, and the handle is fixedly installed on the outside of the door by bolts.

[0013] The utility model has a beneficial effect of a distribution cabinet fire extinguishing device: the utility model is provided with a baffle on the inner side of the heat dissipation hole, and the baffle moves up and down to achieve a shielding effect on the heat dissipation hole to avoid contact between internal air and external air, thereby avoiding air circulation; the spray plate arranged inside the shell can achieve multi-point spraying at different heights to spray aerosols, so that the air at the fire site is isolated, thereby quickly and efficiently realizing the fire extinguishing work of the distribution cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front structural diagram of an embodiment of the utility model;

[0015] Figure 2 It is a side structural diagram of an embodiment of the utility model;

[0016] Figure 3 This is an internal structure diagram of an embodiment of the utility model;

[0017] Figure 4 This is a structural diagram of the injection plate of an embodiment of the utility model;

[0018] Figure 5 This is a structural diagram of a baffle according to an embodiment of the utility model;

[0019] In the figure: 1. base; 2. fixing hole; 3. shell; 4. ceiling; 5. connecting block; 6. aerosol can; 7. door; 8. handle; 9. sensor; 10. distribution station; 11. heat dissipation hole; 12. valve body; 13. pipeline; 14. baffle; 15. electromagnet; 16. backup power supply; 17. injection plate; 18. nozzle; 19. bayonet; 20. rack; 21. slider; 22. slide; 23. gear; 24. motor. DETAILED DESCRIPTION

[0020] like Figures 1 to 5 As shown, the utility model discloses a distribution cabinet fire extinguishing device, which adopts the technical scheme of comprising a base 1, a distribution station 10 is fixedly installed at the top center position of the base 1, a shell 3 is fixedly installed at the top edge position of the base 1, a heat dissipation hole 11 is arranged at the rear of the shell 3, a baffle 14 is slidably installed inside the heat dissipation hole 11, a spray plate 17 is fixedly installed at one end of the inner side of the shell 3, the spray plate 17 is connected to an aerosol can 6, the aerosol can 6 is fixedly installed on the outer side of the shell 3 through a connecting block 5, a sensor 9 is fixedly installed at the other end of the inner side of the shell 3, a standby power supply 16 is fixedly installed at the rear of the base 1, the utility model is provided with a baffle 14 at the inner side of the heat dissipation hole 11, the baffle 14 is moved up and down to achieve the shielding effect of the heat dissipation hole 11, so as to avoid the contact between the internal air and the external air, thereby avoiding air circulation, and the spray plate 17 arranged inside the shell 3 can achieve multi-point spraying at different heights, spray aerosol, isolate the air at the fire part, thereby realizing the fire extinguishing work of the distribution cabinet quickly and efficiently.

[0021] The corners of the bottom of the base 1 are provided with fixing holes 2, and bolts are installed in the fixing holes 2 to fix the base 1.

[0022] Two slideways 22 are fixedly installed at the inner rear of the housing 3 , a slider 21 is slidably installed inside the slideway 22 , a baffle 14 is fixedly installed between the two sliders 21 , and the slider 21 slides in the slideway 22 to move the baffle 14 up and down.

[0023] Racks 20 are fixedly installed at both ends of the outer side of the baffle 14, and gears 23 are installed on the racks 20. The gears 23 are installed on the rotating shaft of the motor 24. The motor 24 is fixedly installed on the rear side of the slide 22 through a fixed block. When the motor 24 rotates, the gears 23 rotate, and the gears 23 mesh with the racks 20 to push the baffle 14 to move.

[0024] A bayonet 19 is provided at one end of the top of the baffle 14 , and an electromagnet 15 is provided outside the bayonet 19 . The electromagnet 15 is fixedly installed on the rear side of the housing 3 . When the electromagnet 15 works, its inner end is separated from the bayonet 19 , so that the baffle 14 is released.

[0025] A valve body 12 is fixedly installed on the top of the bottom plate of the aerosol can 6. The top of the valve body 12 is connected to the injection plate 17 through a pipe 13. A plurality of nozzles 18 are installed on the inner side of the injection plate 17. When the valve body 12 is opened, the aerosol in the aerosol can 6 enters the injection plate 17 and is sprayed out from the plurality of nozzles 18.

[0026] A roof 4 is installed on the top of the shell 3, and the roof 4 is used to protect the shell 3 from rain and prevent rainwater from entering the interior thereof.

[0027] A door 7 is installed on the front of the shell 3, and a handle 8 is fixedly installed on the outer side of the door 7. The handle 8 is used to pull the door 7 to open the shell 3. A lock body is installed on the outer end of the door 7.

[0028] The working principle of this distribution cabinet fire extinguishing device: When a distribution cabinet fire extinguishing device is in use, the sensor 9 inside the shell 3 monitors the internal situation. When a fire point is detected, the electromagnet 15 works first, and its inner end disengages from the bayonet 19, and the baffle 14 is relaxed. Then the motor 24 rotates to rotate the gear 23, and the gear 23 meshes with the rack 20 to push the baffle 14, the slider 21 slides in the slide 22, and the baffle 14 moves to achieve the shielding of the heat dissipation hole 11. The valve body 12 opens, and the aerosol in the aerosol can 6 enters the injection plate 17 and is sprayed from multiple nozzles 18 to extinguish the fire.

[0029] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A fire extinguishing device for a power distribution cabinet, characterized in that: The invention comprises a base (1), a distribution station (10) is fixedly mounted at the center position of the top of the base (1), a shell (3) is fixedly mounted at the edge position of the top of the base (1), a heat dissipation hole (11) is arranged at the rear of the shell (3), a baffle (14) is slidably mounted inside the heat dissipation hole (11), an injection plate (17) is fixedly mounted at one end of the inner side of the shell (3), the injection plate (17) is connected to an aerosol can (6), the aerosol can (6) is fixedly mounted on the outer side of the shell (3) via a connecting block (5), a sensor (9) is fixedly mounted at the other end of the inner side of the shell (3), and a backup power supply (16) is fixedly mounted at the rear of the base (1).

2. A fire extinguishing device for a power distribution cabinet according to claim 1, characterized in that: The corners of the bottom of the base (1) are provided with fixing holes (2).

3. A fire extinguishing device for a power distribution cabinet according to claim 1, characterized in that: Two slideways (22) are fixedly mounted on the inner rear part of the housing (3), a slider (21) is slidably mounted on the inner side of the slideway (22), and a baffle (14) is fixedly mounted between the two sliders (21).

4. A fire extinguishing device for a power distribution cabinet according to claim 3, characterized in that: Racks (20) are fixedly mounted on both ends of the outer side of the baffle (14), a gear (23) is mounted on the rack (20), the gear (23) is mounted on the rotating shaft of the motor (24), and the motor (24) is fixedly mounted on the rear side of the slideway (22) via a fixing block.

5. A fire extinguishing device for a power distribution cabinet according to claim 4, characterized in that: A bayonet (19) is provided at one end of the top of the baffle (14), an electromagnet (15) is provided outside the bayonet (19), and the electromagnet (15) is fixedly mounted on the rear side of the housing (3).

6. A fire extinguishing device for a power distribution cabinet according to claim 1, characterized in that: A valve body (12) is fixedly mounted on the top of the bottom plate of the aerosol can (6); the top of the valve body (12) is connected to an injection plate (17) via a pipeline (13); and a plurality of injection heads (18) are mounted on the inner side of the injection plate (17).

7. A fire extinguishing device for a power distribution cabinet according to claim 1, characterized in that: A ceiling (4) is installed on the top of the shell (3).

8. A fire extinguishing device for a power distribution cabinet according to claim 1, characterized in that: A door (7) is installed on the front of the housing (3), and a handle (8) is fixedly installed on the outside of the door (7).

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