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CN-120914627-B - Switch board with fire prevention fire-retardant function

CN120914627BCN 120914627 BCN120914627 BCN 120914627BCN-120914627-B

Abstract

The invention relates to the field of power distribution cabinets and discloses a power distribution cabinet with fireproof and flame-retardant functions, which comprises a protection component, wherein the protection component is arranged at the upper end of a main body and is used for cooling a cabinet body and inhibiting internal and external fire sources, the protection component mainly comprises an execution mechanism consisting of a mounting block, a piston plate, a glass ball, a spring and a sealing plug, the glass ball is red, the triggering temperature is 68 ℃, the power distribution cabinet with the fireproof and flame-retardant functions is provided with the protection component, the probability of overflowing or inwards spreading of the fire sources is firstly reduced, the generation of toxic gases is secondly reduced, the external fire sources can be prevented from approaching the cabinet body while the external fire sources are extinguished, the internal oxygen and the toxic gases can be prevented from spreading outside while nitrogen can dilute the internal oxygen and the toxic gases, and the external fire extinguishing agent can be introduced into the cabinet body and is protected for the second time after the fire extinguishing agent in the cabinet body is consumed.

Inventors

  • Wan Chuanguo

Assignees

  • 兴化市永安电力工具有限公司

Dates

Publication Date
20260508
Application Date
20250825

Claims (8)

  1. 1. The power distribution cabinet with the fireproof and flame-retardant functions comprises a protection component (2), and is characterized in that the protection component (2) is installed at the upper end of a main body (1), the protection component (2) is used for cooling a cabinet body and inhibiting internal and external fire sources, the protection component (2) comprises an execution mechanism composed of an installation block (206), a piston plate (208), glass balls (209), springs (210) and sealing plugs (211), the glass balls (209) are red, the triggering temperature is 68 ℃, two piston plates (208) are arranged in the installation block (206), glass balls (209) are arranged between the piston plates (208), springs (210) are arranged around the glass balls (209), sealing plugs (211) are fixedly arranged on two sides of the piston plates (208), and heat dissipation components (3) are arranged on the front side and the rear side of the lower end of the main body (1), and can prevent external combustibles from being ignited through heat dissipation ports when encountering internal fire sources; The protection assembly (2) comprises a ceiling (201), wherein the ceiling (201) is fixedly arranged at the upper end of the main body (1), the ceiling (201) is communicated with the inside of the main body (1), the inner part of the ceiling (201) is divided into an upper part and a lower part, and the upper half part of the ceiling (201) is a liquid storage bin (202); The mounting block (206) is located one end of the glass ball (209) and is in a non-sealing state, the piston plate (208) is in sliding connection with the mounting block (206), connecting pipes are fixedly arranged at the upper ends of cavities between the piston plate (208) and the mounting block (206), the outer connecting pipes are communicated with the liquid storage bin (202) above, and the cavities in the mounting block (206) are respectively used for controlling the circulation of gas and liquid.
  2. 2. The power distribution cabinet with fireproof and flame-retardant functions according to claim 1, wherein the upper end of the liquid storage bin (202) is provided with a sealing plate (203), a plurality of telescopic rods (204) are fixedly arranged inside the upper end of the sealing plate (203), the upper ends of the telescopic rods (204) are fixedly connected with a ceiling (201), joints (205) are arranged on two sides of the sealing plate (203), the joints (205) are communicated with the liquid storage bin (202), and the joints (205) can be connected to an external fire-fighting pipe network.
  3. 3. The power distribution cabinet with fireproof and flame-retardant functions according to claim 1, wherein the installation blocks (206) are installed at the lower end of the inside of the ceiling (201), the installation blocks (206) are arranged in a plurality, the arrangement mode of the installation blocks (206) is consistent with that of the main body (1), sliding rods (207) are fixedly arranged in the installation blocks (206), the number of the sliding rods (207) is four, and the sliding rods (207) are in sliding connection with the piston plate (208).
  4. 4. The power distribution cabinet with the fireproof and flame-retardant function according to claim 1, wherein the spring (210) can pull the piston plate (208) and the sealing plugs (211) to the middle after the glass balls (209) are broken, the sealing plugs (211) on two sides of the piston plate (208) respectively seal holes on the front side and the rear side of the mounting block (206), through holes (212) are formed in the lower end of the mounting block (206) through the ceiling (201), and a guide plate is arranged at one end, outside the through holes (212).
  5. 5. The power distribution cabinet with the fireproof and flame-retardant function according to claim 1, wherein a plurality of gas cylinders (213) are fixedly arranged at the lower end of the inside of the ceiling (201) on the inner side of the installation block (206), and the gas cylinders (213) are connected with connecting pipes inside the upper end of the installation block (206) through pipelines.
  6. 6. The power distribution cabinet with the fireproof and flame-retardant function according to claim 5, wherein the inside of a liquid storage bin (202) in the protection assembly (2) is filled with dyed modified mineral oil, a joint (205) above the liquid storage bin (202) can be used for filling and pressurizing, and nitrogen is filled in a gas cylinder (213) in the protection assembly (2).
  7. 7. The power distribution cabinet with fireproof and flame-retardant functions according to claim 1, wherein the heat dissipation assembly (3) comprises a mounting plate (301), the mounting plate (301) is fixedly arranged on the front side and the rear side of the main body (1), a plurality of heat dissipation holes (302) are formed in a surface array of the mounting plate (301), a baffle plate (305) is rotatably arranged behind the heat dissipation holes (302), a plurality of baffle plates (305) are arranged, the number of the baffle plates (305) is consistent with the number of rows of the heat dissipation holes (302), and one row of heat dissipation holes (302) can be shielded by the single baffle plate (305).
  8. 8. The power distribution cabinet with fireproof and flame-retardant functions according to claim 7, wherein the two sides of the lower end of the baffle (305) are fixedly provided with supporting columns (303), the supporting columns (303) are arc-shaped, the supporting columns (303) are in sliding connection with the mounting plate (301), the tail ends of the supporting columns (303) are positioned on the inner side of the mounting plate (301) and fixedly provided with fixing blocks (304), and the fixing blocks (304) are made of flame-retardant plastics with low melting points.

Description

Switch board with fire prevention fire-retardant function Technical Field The invention relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet with fireproof and flame-retardant functions. Background In the patent application with the application publication number of CN115548902A, the fire-retardant fire-extinguishing device comprises a cabinet body, a partition plate, an installation chamber, a fire-extinguishing mechanism and a flame-retardant mechanism, wherein the partition plate is fixedly connected to the cabinet body, the installation chamber is formed between the partition plate and the inner bottom end of the cabinet body, the fire-extinguishing mechanism is fixedly connected to the installation chamber, the fire-extinguishing mechanism penetrates through the partition plate, the flame-retardant mechanism is fixedly connected to the cabinet body, the flame-retardant mechanism comprises a mounting plate, a fixing box, a perforated plate, a dry ice packing layer and a heating pipe, the mounting plate is fixedly connected to the inner upper end of the cabinet body, the fixing box is fixedly connected to the mounting plate, the perforated plate is communicated to the fixing box, the dry ice packing layer is arranged in the fixing box, and the heating pipe is arranged in the fixing box. The novel fire-retardant dry ice cabinet has the advantages that the dry ice filler layer is melted after the heating pipe is started, carbon dioxide gas is generated by the melted dry ice filler layer and enters the cabinet body through the perforated plate, the oxygen content in the cabinet body is reduced, and secondary fire can not occur after external air enters the cabinet body, so that the flame-retardant effect is achieved. In the prior art including above-mentioned patent, place dry ice filler in the cabinet body, though can play the fire-retardant effect of cooling, but at daily use because dry ice temperature extremely low's characteristics, at first the phenomenon of condensation appears easily in the cabinet body is internal, secondly, in order to prevent condensation still need use extra cost to increase dehumidification subassembly, finally, in order to guarantee dry ice when daily use, need use extra electricity and equipment to guarantee dry ice's temperature, in sum, the technical scheme who adopts in the comparison patent, the cost is higher and easily cause the interference when normal use, and in the prior art, most schemes are directed against fire extinguishing mode and passive cooling/thermal-insulated design improvement, but when in the field use, once inside fire extinguishing means once only fail to put out the internal fire source, along with the intensity of a fire increases, it is extremely possible to ignite peripheral plant through the louvre, thereby cause bigger conflagration. Disclosure of Invention The invention aims to solve the problem that the fire source inside and outside the cabinet body is protected in a low-cost mode, so that the probability and speed of occurrence of external fire caused by internal fire sources are reduced. In order to solve the technical problems, the power distribution cabinet with the fireproof and flame-retardant functions comprises a protection component, wherein the protection component is arranged at the upper end of a main body and is used for cooling a cabinet body and inhibiting internal and external fire sources, the protection component mainly comprises an actuating mechanism consisting of a mounting block, piston plates, glass balls, springs and sealing plugs, the glass balls are red, the triggering temperature is 68 ℃, two piston plates are arranged in the mounting block, the glass balls are arranged between the piston plates, the springs are arranged around the glass balls, the sealing plugs are fixedly arranged on two sides of the piston plates, heat dissipation components are arranged on the front side and the rear side of the lower end of the main body, and the heat dissipation components can prevent external combustible materials from being ignited through heat dissipation ports when encountering internal fire sources. Preferably, the protection assembly comprises a ceiling, the ceiling is fixedly arranged at the upper end of the main body, the ceiling is communicated with the inside of the main body, the inner part of the ceiling is divided into an upper part and a lower part, and the upper half part of the ceiling is a liquid storage bin. Preferably, the upper end of the liquid storage bin is provided with a sealing plate, a plurality of telescopic rods are fixedly arranged in the upper end of the sealing plate, the upper ends of the telescopic rods are fixedly connected with a ceiling, connectors are arranged on two sides of the sealing plate, the connectors are communicated with the liquid storage bin, and the connectors can be connected to an external fire-fighting pipe network. Pr