Fire extinguishing structure of electric power cabinet

Abstract

The utility model relates to the technical field of electric power cabinets, and discloses an electric power cabinet fire extinguishing structure which comprises a cabinet body, a PLC is arranged above the front side of a cabinet door, a dry powder storage box is fixedly connected to the top of the inner side of the cabinet body, the bottom of the dry powder storage box is fixedly communicated with a discharging pipe, and a second electromagnetic valve is arranged on the surface of the discharging pipe. A mounting box body is fixedly connected to the top of the cabinet body, a carbon dioxide gas cylinder is clamped in the mounting box body, an exhaust pipe is arranged at the bottom of the carbon dioxide gas cylinder, and an electromagnetic valve I is arranged on the surface of the exhaust pipe. And the electromagnetic valve I and the electromagnetic valve II are quickly opened through the PLC, so that the whole cabinet body is filled with the carbon dioxide gas and the fire extinguishing dry powder, a fire source is isolated from oxygen, the flame is extinguished, the fire is extinguished at the initial stage of the flame, and greater loss is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of power cabinets, in particular to a fire extinguishing structure of a power cabinet. Background Art

[0002] With the rapid development of power technology, the number of electrical appliances in life is increasing, and a lot of manual labor has been replaced by electronic equipment. The stability of electricity needs to be guaranteed by qualified equipment. As an important device of power equipment, the importance of power cabinet is self-evident.

[0003] Various components of some existing power cabinets generate a lot of heat during operation and are arranged very tightly. In addition, the electronic components inside the power cabinet are not arranged reasonably, which makes the power cabinet prone to spontaneous combustion. At the same time, the power cabinet itself does not have a fire extinguishing structure, which affects the use of the power cabinet and reduces its use effect. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a fire extinguishing structure for an electric power cabinet to solve the problem mentioned in the above background technology that various components of some existing electric power cabinets generate a large amount of heat during operation and are arranged very tightly, and the arrangement of electronic components inside the electric power cabinet is unreasonable, which makes the electric power cabinet prone to spontaneous combustion. At the same time, the electric power cabinet itself does not have a fire extinguishing structure, which affects the use of the electric power cabinet and thus reduces the use effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fire extinguishing structure of an electric power cabinet, comprising a cabinet body, a cabinet door is arranged on the front side of the cabinet body, a door handle is fixedly connected to the front side of the cabinet door, a PLC controller is arranged above the front side of the cabinet door, a fireproof layer is fixedly connected to the inner side of the cabinet body, a flame retardant plate is fixedly connected to the inner side of the fireproof layer, a fire sensor is fixedly connected to the inner top of the cabinet body, a dry powder storage box is fixedly connected to the inner top of the cabinet body, a discharge pipe is fixedly connected to the bottom of the dry powder storage box, a solenoid valve 2 is arranged on the surface of the discharge pipe, a nozzle is fixedly connected to the bottom of the discharge pipe, a mounting box is fixedly connected to the top of the cabinet body, a card slot is opened on the upper side surface of the mounting box body, a card block is carded inside the card slot, a box cover is fixedly connected to the top of the card block, a carbon dioxide gas cylinder is carded inside the mounting box body, an exhaust pipe is arranged at the bottom of the carbon dioxide gas cylinder, and a solenoid valve 1 is arranged on the surface of the exhaust pipe.

[0006] Preferably, the fire sensor is electrically connected to the PLC controller, and the PLC controller is electrically connected to the solenoid valve 1 and the solenoid valve 2.

[0007] By adopting the above technical solution, a fire sensor, a PLC controller, etc. are set up for use together. When the fire sensor detects a fire inside the cabinet, it will send a signal to the PLC controller, and the PLC controller will then control solenoid valve 1 and solenoid valve 2 to open in sequence. At this time, the compressed carbon dioxide in the carbon dioxide cylinder will enter the dry powder storage box through the exhaust pipe, and the high-pressure carbon dioxide gas will then carry the dry powder in the dry powder storage box through the discharge pipe to the nozzle, and quickly fill the entire cabinet with dry powder and carbon dioxide through the nozzle, thereby blocking oxygen and fire sources, and extinguishing the flame.

[0008] Preferably, the number of the fire sensors is two, and the two fire sensors are symmetrically distributed on the inner bottom of the cabinet.

[0009] Preferably, the bottom of the exhaust pipe passes through the top of the cabinet and then extends to the interior of the cabinet, and is communicated with the top of the dry powder storage box.

[0010] Preferably, the number of the card slots is four, the four card slots are respectively located on four sides of the installation box, and the four card slots are symmetrically distributed with respect to each other.

[0011] Preferably, the shape and size of the card block are the same as those of the card slot, and the card block fits tightly against the inner wall of the card slot.

[0012] By adopting the above technical solution, by setting a card block, a card slot, etc. to cooperate with the box cover and the installation box body, the box cover can be separated from the installation box body by sliding the card block out of the card slot, which is convenient for the staff to inspect and maintain the carbon dioxide cylinder and is convenient for the staff to use.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The fire extinguishing structure of the power cabinet is used in conjunction with fire sensors, PLC controllers, etc. The fire sensor can detect the fire in the first time, and quickly open the solenoid valve 1 and the solenoid valve 2 through the PLC controller, so that the carbon dioxide gas and the fire extinguishing dry powder fill the entire cabinet, thereby isolating the fire source from oxygen, thereby extinguishing the flame, and thus extinguishing the fire in the initial stage of the flame to prevent greater losses.

[0015] 2. The fire extinguishing structure of the power cabinet is used in conjunction with the box cover and the installation box body by setting a card block, a card slot, etc. The box cover can be separated from the installation box body by sliding the card block out of the card slot, which is convenient for the staff to inspect and maintain the carbon dioxide cylinder and is convenient for the staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the positive cross-section structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0019] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0020] Figure 5 This is a schematic diagram of the structure of the carbon dioxide gas cylinder of the utility model;

[0021] Figure 6 This is a schematic diagram of the box cover structure of the utility model.

[0022] In the figure: 1. cabinet body; 2. cabinet door; 3. door handle; 4. PLC controller; 5. fireproof layer; 6. flame retardant board; 7. fire sensor; 8. dry powder storage box; 9. solenoid valve 2; 10. discharge pipe; 11. nozzle; 12. exhaust pipe; 13. solenoid valve 1; 14. carbon dioxide cylinder; 15. installation box; 16. slot; 17. box cover; 18. card block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] Please refer to Figure 1-5A fire extinguishing structure of a power cabinet comprises a cabinet body 1, a cabinet door 2 is arranged on the front side of the cabinet body 1, a door handle 3 is fixedly connected to the front side of the cabinet door 2, a PLC controller 4 is arranged on the upper front side of the cabinet door 2, a fireproof layer 5 is fixedly connected to the inner side of the cabinet body 1, a flame retardant plate 6 is fixedly connected to the inner side of the fireproof layer 5, a fire sensor 7 is fixedly connected to the inner top of the cabinet body 1, the number of the fire sensors 7 is two, and the two fire sensors 7 are symmetrically distributed at the inner bottom of the cabinet body 1, a dry powder storage box 8 is fixedly connected to the inner top of the cabinet body 1, a discharge pipe 10 is fixedly connected to the bottom of the dry powder storage box 8, a solenoid valve 9 is arranged on the surface of the discharge pipe 10, and the bottom of the discharge pipe 10 is fixedly connected to A nozzle 11 is provided, a mounting box 15 is fixedly connected to the top of the cabinet 1, a card slot 16 is provided on the upper surface of the mounting box 15, a card block 18 is carded inside the card slot 16, a box cover 17 is fixedly connected to the top of the card block 18, a carbon dioxide gas cylinder 14 is carded inside the mounting box 15, an exhaust pipe 12 is provided at the bottom of the carbon dioxide gas cylinder 14, a solenoid valve 13 is provided on the surface of the exhaust pipe 12, the bottom of the exhaust pipe 12 passes through the top of the cabinet 1 and then extends to the interior of the cabinet 1, and is connected to the top of the dry powder storage box 8, the fire sensor 7 is electrically connected to the PLC controller 4, and the PLC controller 4 is electrically connected to the solenoid valve 13 and the solenoid valve 2 9.

[0026] Working principle: When the fire sensor 7 detects a fire inside the cabinet 1, it will send a signal to the PLC controller 4, and the PLC controller 4 will then control the solenoid valve 13 and the solenoid valve 2 9 to open in sequence. At this time, the compressed carbon dioxide in the carbon dioxide cylinder 14 will enter the dry powder storage box 8 through the exhaust pipe 12, and the high-pressure carbon dioxide gas will then carry the dry powder in the dry powder storage box 8 through the discharge pipe 10 to the nozzle 11, and quickly fill the entire cabinet 1 with dry powder and carbon dioxide through the nozzle 11, thereby isolating the fire source from oxygen and extinguishing the flame.

[0027] Compared with the related art, the fire extinguishing structure of a power cabinet provided by the utility model has the following beneficial effects: by setting up a fire sensor 7, a PLC controller 4, etc. for use in conjunction, the fire sensor 7 can detect the fire in the first time, and quickly open the solenoid valve 13 and the solenoid valve 2 9 through the PLC controller 4, so that the carbon dioxide gas and the fire extinguishing dry powder fill the entire cabinet 1, thereby isolating the fire source from oxygen, thereby extinguishing the flame, and thus extinguishing the fire in the initial stage of the flame to prevent greater losses.

[0028] Embodiment 2:

[0029] Please refer to Figure 1-6The top of the cabinet 1 is fixedly connected with an installation box 15, and a card slot 16 is provided on the upper side surface of the installation box 15. There are four card slots 16, and the four card slots 16 are respectively located around the installation box 15, and the four card slots 16 are symmetrically distributed with each other. A card block 18 is connected inside the card slot 16. The shape and size of the card block 18 are the same as those of the card slot 16, and the card block 18 is tightly fitted with the inner wall of the card slot 16. A box cover 17 is fixedly connected to the top of the card block 18. A carbon dioxide gas cylinder 14 is connected inside the installation box 15.

[0030] Working principle: When in use, the staff pulls up the box cover 17 to drive the card block 18 to slide out of the card slot 16, so as to drive the box cover 17 to separate from the installation box body 15, exposing the carbon dioxide cylinder 14 to the outside, making it convenient for the staff to inspect and maintain the carbon dioxide cylinder 14, ensuring that the carbon dioxide cylinder 14 can be used normally, and facilitating the use of the staff.

[0031] Compared with the related art, the fire extinguishing structure of the power cabinet provided by the utility model has the following beneficial effects: by setting a card block 18, a card slot 16, etc. for use with a box cover 17 and an installation box body 15, the box cover 17 can be separated from the installation box body 15 by sliding the card block 18 out of the card slot 16, which is convenient for the staff to inspect and maintain the carbon dioxide cylinder 14 and is convenient for the staff to use.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire extinguishing structure for a power cabinet, comprising a cabinet body (1), characterized in that: The cabinet body (1) is provided with a cabinet door (2) on the front side, a door handle (3) is fixedly connected to the front side of the cabinet door (2), a PLC controller (4) is provided above the front side of the cabinet door (2), a fireproof layer (5) is fixedly connected to the inner side of the cabinet body (1), a flame retardant plate (6) is fixedly connected to the inner side of the fireproof layer (5), a fire sensor (7) is fixedly connected to the inner top of the cabinet body (1), a dry powder storage box (8) is fixedly connected to the inner top of the cabinet body (1), a discharge pipe (10) is fixedly connected to the bottom of the dry powder storage box (8), and a surface of the discharge pipe (10) is provided There is a solenoid valve 2 (9), the bottom of the discharge pipe (10) is fixedly connected to a nozzle (11), the top of the cabinet (1) is fixedly connected to a mounting box (15), the upper surface of the mounting box (15) is provided with a slot (16), the inside of the slot (16) is clamped with a clamping block (18), the top of the clamping block (18) is fixedly connected with a box cover (17), the inside of the mounting box (15) is clamped with a carbon dioxide gas cylinder (14), the bottom of the carbon dioxide gas cylinder (14) is provided with an exhaust pipe (12), and the surface of the exhaust pipe (12) is provided with a solenoid valve 1 (13).

2. The fire extinguishing structure of a power cabinet according to claim 1, characterized in that: The fire sensor (7) is electrically connected to the PLC controller (4), and the PLC controller (4) is electrically connected to the solenoid valve 1 (13) and the solenoid valve 2 (9).

3. The fire extinguishing structure of a power cabinet according to claim 1, characterized in that: The number of the fire sensors (7) is two, and the two fire sensors (7) are symmetrically distributed on the inner bottom of the cabinet (1).

4. The fire extinguishing structure of a power cabinet according to claim 1, characterized in that: The bottom of the exhaust pipe (12) passes through the top of the cabinet (1) and then extends into the interior of the cabinet (1), and is communicated with the top of the dry powder storage box (8).

5. The fire extinguishing structure of a power cabinet according to claim 1, characterized in that: The number of the card slots (16) is four, and the four card slots (16) are respectively located around the installation box (15), and the four card slots (16) are symmetrically distributed with respect to each other.

6. The fire extinguishing structure of a power cabinet according to claim 1, characterized in that: The shape and size of the card block (18) are the same as those of the card slot (16), and the card block (18) is tightly fitted to the inner wall of the card slot (16).

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