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CN-224204621-U - Modularized environment-friendly gas-insulated ring main unit

CN224204621UCN 224204621 UCN224204621 UCN 224204621UCN-224204621-U

Abstract

The utility model relates to the technical field of ring main units, and particularly discloses a modularized environment-friendly gas-insulated ring main unit which comprises a ring main unit body, wherein two protection doors are hinged to the outer surface of the ring main unit body, a heat dissipation mechanism for dissipating heat inside is arranged on the right side of the ring main unit body, the heat dissipation mechanism comprises a heat dissipation piece, a semiconductor refrigerating sheet is fixed on the side wall of the heat dissipation piece, a cold conducting sheet is fixed on the left side of the semiconductor refrigerating sheet, a connecting pipe is communicated with the lower surface of the heat dissipation piece, and an air conveying pump is communicated with the tail end of the connecting pipe. Through the cooling mechanism who sets up, can cool down the cold guide piece for cold guide piece temperature decline, and the nitrogen gas cools down when leading the cold guide piece, and the moisture in the air can condense into the drop of water adhesion at cold guide piece surface, and the air after the cooling is through the circulating pipe reentrant to the looped netowrk cabinet is internal, cools down to inside part, effectual inside temperature and the humidity of reduction.

Inventors

  • LIU GUOWEN
  • JI DACHENG
  • LI HUA

Assignees

  • 江苏辉弘科技有限公司

Dates

Publication Date
20260505
Application Date
20250527

Claims (7)

  1. 1. The modularized environment-friendly gas-insulated ring main unit comprises a ring main unit body (1) and is characterized in that two protection doors (2) are hinged to the outer surface of the ring main unit body (1), and a heat dissipation mechanism for dissipating heat inside is arranged on the right side of the ring main unit body (1); The cooling mechanism comprises a cooling piece (3), a semiconductor refrigerating sheet (31) is fixed on the side wall of the cooling piece (3), a cold guide sheet (32) is fixed on the left side of the semiconductor refrigerating sheet (31), a connecting pipe (33) is communicated with the lower surface of the cooling piece (3), a gas transmission pump (34) is communicated with the tail end of the connecting pipe (33), and a collecting mechanism for collecting cooling water is arranged inside the cooling piece (3).
  2. 2. The modularized environment-friendly gas-insulated ring main unit as claimed in claim 1, wherein the upper surface of the heat dissipation part (3) is communicated with a circulating pipe (35) which is communicated with the inside of the ring main unit body (1), and a heat dissipation fin (36) is fixed on the right side of the semiconductor refrigerating fin (31).
  3. 3. The modularized environment-friendly gas-insulated ring main unit as claimed in claim 2, wherein a fixing plate (37) is fixed on the right side of the radiating fin (36), and two radiating fans (38) are fixed inside the fixing plate (37) through bolts.
  4. 4. The modularized environment-friendly gas-insulated ring main unit as claimed in claim 1, wherein the collecting mechanism comprises a guide plate (4), and the guide plate (4) is fixed on the inner wall of the heat radiating piece (3) and is close to the lower part of the cold guide plate (32).
  5. 5. The modularized environment-friendly gas-insulated ring main unit as claimed in claim 4, wherein a collecting piece (41) fixedly connected with the radiating piece (3) is arranged below the guide plate (4), and a sealing plug (42) movably connected with the radiating piece (3) is arranged on the right side of the collecting piece (41).
  6. 6. The modularized environment-friendly gas-insulated ring main unit according to claim 1, wherein the input end of the gas transmission pump (34) is communicated with a filter pipe (5) which is communicated with the ring main unit body (1), and a filter screen (6) is fixed in the filter pipe (5).
  7. 7. The modularized environment-friendly gas-insulated ring main unit according to claim 1, wherein two mounting frames (7) are fixed on the inner wall of the ring main unit body (1), and two hanging rings (8) are fixed on the upper surface of the ring main unit body (1).

Description

Modularized environment-friendly gas-insulated ring main unit Technical Field The utility model relates to the technical field of ring main units, in particular to a modularized environment-friendly gas-insulated ring main unit. Background The environment-friendly gas insulation ring main unit adopts nontoxic and harmless environment-friendly gas, such as nitrogen or SF6 substituting gas as an insulation medium, and substitutes SF6 isothermal chamber gas possibly used in traditional equipment, thereby reducing environmental pollution. The device has the characteristics of simple structure, flexible operation, reliable interlocking, convenient installation and the like, can meet the requirements of different application occasions, and is generally composed of a plurality of modules, including a switch chamber, a fuse chamber, an operating mechanism chamber and a cable chamber. The existing cabinet body consumes a part of power in the uninterrupted operation for twenty-four hours, and causes power consumption burden in the early peak period, large load, single power source and poor energy-saving effect; The prior patent (bulletin number: CN 219717698U) discloses an environment-friendly gas-insulated ring main unit, which comprises a base and a cabinet body, wherein the top end of the base is fixedly connected with the cabinet body, an electric assembly frame is arranged in the cabinet body, the top end of the cabinet body is fixedly connected with a mounting bracket, the top end of the mounting bracket is fixedly connected with a rain-shielding top cover, and the top end of the rain-shielding top cover is provided with a photovoltaic solar panel. The solar energy power supply device is provided with the rain-shielding top cover, the photovoltaic solar cell panel and the electric energy converter, and the photovoltaic solar cell panel replaces a part of electric energy to be distributed into each electric power supply in the electric assembly frame in the electricity consumption peak period, so that the electricity consumption pressure is greatly reduced. For above-mentioned problem, the scheme that current patent gave is through photovoltaic solar cell panel, replaces some electric energy distribution to be each electric power supply in the electric assembly frame, alleviates with the voltage force greatly, but because insolate under the sun, the looped netowrk cabinet heat dissipation is not good, after long-time the use, and the condition of generating heat is serious, causes the damage of electric component in the looped netowrk cabinet easily, perhaps causes inside components and parts spontaneous combustion, has certain security risk. Disclosure of Invention The utility model aims to provide a modularized environment-friendly gas-insulated ring main unit, which can cool a cold guide plate, so that the temperature of the cold guide plate is reduced, nitrogen is cooled when passing through the cold guide plate, moisture in air can be condensed into water drops which are adhered to the surface of the cold guide plate, the cooled air enters the ring main unit body through a circulating pipe again, and the internal parts are cooled, so that the internal temperature and humidity are effectively reduced, and the problems in the background art are solved. In order to achieve the above purpose, the utility model provides the technical scheme that the modularized environment-friendly gas-insulated ring main unit comprises a ring main unit body, wherein the outer surface of the ring main unit body is hinged with two protective doors, and the right side of the ring main unit body is provided with a heat dissipation mechanism for dissipating heat inside; The heat dissipation mechanism comprises a heat dissipation part, a semiconductor refrigerating sheet is fixed on the side wall of the heat dissipation part, a cold guide sheet is fixed on the left side of the semiconductor refrigerating sheet, a connecting pipe is communicated with the lower surface of the heat dissipation part, a gas transmission pump is communicated with the tail end of the connecting pipe, and a collection mechanism for collecting cooling water is arranged inside the heat dissipation part. Preferably, the upper surface of the heat dissipation piece is communicated with a circulating pipe which is mutually communicated with the inside of the ring main unit body, and the right side of the semiconductor refrigerating sheet is fixedly provided with a heat dissipation sheet. Preferably, a fixing plate is fixed on the right side of the radiating fin, and two radiating fans are fixed inside the fixing plate through bolts. Preferably, the collecting mechanism comprises a guide plate, and the guide plate is fixed on the inner wall of the heat radiating piece and is close to the lower part of the cold guide plate. Preferably, a collecting piece fixedly connected with the radiating piece is arranged below the guide plate, and a sealing plug movably connecte