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CN-122000802-A - Compact environment-friendly gas-insulated totally-enclosed ring main unit

CN122000802ACN 122000802 ACN122000802 ACN 122000802ACN-122000802-A

Abstract

The invention discloses a compact environment-friendly gas-insulated totally-enclosed ring main unit, which relates to the technical field of ring main units, in particular to a compact environment-friendly gas-insulated totally-enclosed ring main unit, comprising a main unit body, fins, a cleaning mechanism and an engineering drying air mechanism; the heat dissipation of the cabinet body is realized by the fins, dust of the fins is cleaned by the cleaning mechanism through the rolling brush, the spray header at the bottom of the first pipeline can moisten the rolling brush when the temperature sensor detects that the temperature exceeds 50 ℃, the cleaning and cooling dual functions are realized by matching with the up-and-down movement of the support, the engineering drying air mechanism preheats air through the heating pipe and the heating wire of the second pipeline, and then dehydrates and dries the air through the small thermal circulation bellows to generate the drying air, the drying air is introduced into the air box for insulation arc extinction, and the temperature of the air box is controlled to ensure the insulation performance.

Inventors

  • ZHANG ENZE
  • ZHANG MENGHE
  • CHEN SHI

Assignees

  • 南京贝尔电气设备有限公司

Dates

Publication Date
20260508
Application Date
20251226

Claims (10)

  1. 1. The utility model provides a compact environmental protection gas-insulated totally closed looped netowrk cabinet, includes cabinet body (1), its characterized in that, cabinet body (1) inside segmentation is multicavity room, and its interior bottom is cable chamber (24), cable chamber (24) top rear side is air tank (22), and cable chamber (24) top front side is mechanism room (23), mechanism room (23) top is relay room (21), the fin (39) of array arrangement, from top to bottom are installed to the left and right sides lateral wall, the back lateral wall of cabinet body (1), all be provided with cleaning mechanism on the trilateral lateral wall, cleaning mechanism can clean the dust on fin (39) surface to can carry out moist cooling to fin (39), the inside of mechanism room (23) is provided with engineering dry air mechanism, and it can dehydrate and dry and mend the air to air tank (22), cleaning mechanism includes support (5), pipeline one (9), round brush (8), be provided with support (5) on the left and right sides back lateral wall of cabinet body (1), support (5) are connected with one round brush (8) and install on the end (9) of the support (8) and the round brush end of cooling down, one round brush (8) is installed to the end of the round brush (8) and the end of the round brush (8) is connected with the end of the round brush (9).
  2. 2. The compact environment-friendly gas-insulated totally-enclosed ring main unit according to claim 1, wherein the engineering drying mechanism comprises a small thermal circulation bellows (27), a second pipeline (28), a heating pipe (29), an air inlet (30) and a heating wire (31), the small thermal circulation bellows (27) is installed in the mechanism chamber (23), the second pipeline (28) is installed on the right side of the small thermal circulation bellows (27), the air inlet (30) is installed at the end of the second pipeline (28), the spiral heating wire (31) is installed in the air inlet (30), a through hole is formed in the front side wall of the cabinet body (1) at the position of the mechanism chamber (23), the air inlet (30) is connected with the through hole, and the heating pipe (29) is sleeved on the outer surface of the second pipeline (28).
  3. 3. The compact environment-friendly gas-insulated totally-enclosed ring main unit according to claim 2, wherein the engineering drying mechanism further comprises a compressor (35), a gas storage tank (36) and a third pipeline (38), the compressor (35) is arranged on the left side of the small thermal circulation bellows (27), the gas storage tank (36) is arranged on the rear side of the compressor (35), the third pipeline (38) is communicated among the small thermal circulation bellows (27), the compressor (35) and the gas storage tank (36), the end portion of the third pipeline (38) penetrates through the rear side wall of the mechanism chamber (23) to extend into the gas tank (22), and the mounting frame (26) is connected in the gas tank (22) in a front-rear sliding mode.
  4. 4. The compact environment-friendly gas-insulated totally-enclosed ring main unit according to claim 1, wherein a second sliding rail (4) is vertically arranged at the corner of the outer side wall of the cabinet body (1), a support (5) is connected between the second sliding rails (4) in a sliding manner, a first platform (11) is arranged at the end part of the support (5), a first motor (12) is arranged at the top of the first platform (11), the end part of the rolling brush (8) penetrates through the support (5) and is fixedly connected with an output shaft of the first motor (12), a water tank (7) is arranged in the middle of the top of the cabinet body (1), and a hose is communicated between a first pipeline (9) and the water tank (7).
  5. 5. The compact environment-friendly gas-insulated totally-enclosed ring main unit according to claim 4, wherein a screw rod (10) is rotatably connected in the middle of the second sliding rail (4), the top of the screw rod (10) penetrates through the top of the cabinet body (1) and stretches out, a first bevel gear (18) is arranged on the outer surface of the top of the screw rod (10), a second motor (20) is arranged on one side of the first bevel gear (18) at the top of the cabinet body (1), a second bevel gear (19) is arranged on an output shaft of the second motor (20), the second bevel gear (19) is meshed with the first bevel gear (18), the second bevel gear (19) and the outer side of the periphery of the second motor (20) are provided with a protective cover (6) at the top of the cabinet body (1), and the screw rod (10) is in threaded connection with the support (5).
  6. 6. The compact environment-friendly gas-insulated totally-enclosed ring main unit according to claim 3, wherein an inserting block (32) is inserted into the opening of the front side wall of the main unit (1), a filter plate (33) is installed in the middle of the inner surface of the inserting block (32), an air filter element (34) is installed in the middle of one side wall of the filter plate (33), the air filter element (34) can penetrate through the air inlet (30) and extend into the second pipeline (28) when the inserting block (32) is inserted, a round hole is formed in the upper portion of the opening of the front side wall of the main unit (1), and a fan (37) is installed on the outer side wall of the round hole.
  7. 7. The compact environment-friendly gas-insulated totally-enclosed ring main unit according to claim 1, wherein a plurality of connectors (13) are arranged at the upper end of the rear of the right outer side wall of the main unit body (1) from top to bottom, a sealing cover (14) is arranged at the outer side of each connector (13), and the sealing cover (14) is connected with the main unit body (1) through bolts.
  8. 8. The compact environment-friendly gas-insulated totally-enclosed ring main unit according to claim 1, wherein the left side and the right side of the top of the cabinet body (1) are symmetrically provided with a first connecting block (17) at the rear side of the water tank (7), the middle of the bottom of the cabinet body (1) is provided with a second connecting block (25), and the plurality of cabinet bodies (1) can be connected and fixed through the first connecting block (17) and the second connecting block (25) when connected.
  9. 9. The compact environment-friendly gas-insulated totally-enclosed ring main unit according to claim 8, wherein first sliding rails (3) are symmetrically arranged on the front side and the rear side of the bottom of the main unit body (1), sliding blocks (2) are slidably connected to the tops of the first sliding rails (3), the tops of the sliding blocks (2) are fixedly connected with the bottom of the main unit body (1), and the plurality of main unit bodies (1) can be matched and butted through the sliding blocks (2) and the first sliding rails (3) when being connected.
  10. 10. The compact environment-friendly gas-insulated totally-enclosed ring main unit according to claim 1, wherein a temperature sensor (15) and a gas pressure sensor (16) are arranged on the top of the cabinet body (1) above the gas tank (22).

Description

Compact environment-friendly gas-insulated totally-enclosed ring main unit Technical Field The invention relates to the technical field of ring main units, in particular to a compact environment-friendly gas-insulated totally-enclosed ring main unit. Background Along with the continuous improvement of the requirements of the power industry on environmental protection and equipment operation stability, the conventional gas-insulated ring main unit gradually exposes various problems, the conventional ring main unit adopts SF6 gas as an insulated arc extinguishing medium, the global warming potential value is extremely high, serious environmental hazard is caused after leakage, the recovery processing cost is high, the requirement of the current environmental protection policy is difficult to meet, in the aspect of heat dissipation, the conventional heat dissipation components are easy to accumulate dust, the heat dissipation efficiency is reduced, the dust is inconvenient to clean, meanwhile, part of heat dissipation structures only depend on natural ventilation, the cooling effect is limited, the normal operation of equipment is influenced, in addition, the structural design of most ring main unit bodies is not compact enough, the occupied space is large, and the environment-friendly gas-insulated ring main unit is difficult to adapt to space-limited application scenes such as urban residential communities and high-rise buildings. Disclosure of Invention The invention provides a compact environment-friendly gas-insulated totally-enclosed ring main unit, which solves the problems set forth in the background art. In order to achieve the above purpose, the invention is realized by the following technical scheme: The utility model provides a compact environmental protection gas-insulated totally closed looped netowrk cabinet, includes the cabinet body, the cabinet body is inside to be cut apart into the multicavity room, and its interior bottom is the cable chamber, cable chamber top rear side is the gas tank, and cable chamber top front side is the mechanism room, the mechanism room top is the relay room, the fin of arranging, follow down is installed to the left and right sides lateral wall of the cabinet body, back lateral wall, all be provided with cleaning mechanism on the trilateral lateral wall, cleaning mechanism can clean the dust on fin surface to can wet the cooling to the fin, the inside of mechanism room is provided with engineering dry air mechanism, and it can dehydrate the drying and make up gas to the gas tank in the air tank, cleaning mechanism includes support, pipeline one, round brush, be provided with the support on the outer wall around the cabinet body, the lower extreme rotation of support is connected with the round brush, install pipeline one between the upper end of support and the round brush, the shower head of arranging of pipeline one bottom is installed to the array, the round brush can clean the fin and wet cooling. Preferably, the engineering drying mechanism comprises a small thermal circulation bellows, a second pipeline, a heating pipe, an air inlet and a heating wire, the small thermal circulation bellows is installed at the indoor bottom of the mechanism, the second pipeline is installed on the right side of the small thermal circulation bellows, the air inlet is installed at the end part of the second pipeline, the spiral heating wire is installed inside the air inlet, a through hole is formed in the position of the mechanism chamber on the front side wall of the cabinet body, the air inlet is connected with the through hole, and the heating pipe is sleeved on the outer surface of the second pipeline. Preferably, the engineering drying mechanism further comprises a compressor, an air storage tank and a third pipeline, the compressor is arranged on the left side of the small thermal circulation bellows, the air storage tank is arranged on the rear side of the compressor, the third pipeline is communicated among the small thermal circulation bellows, the compressor and the air storage tank, the end portion of the third pipeline penetrates through the rear side wall of the mechanism chamber and stretches into the air tank, and the mounting frame is connected in the air tank in a front-back sliding mode. Preferably, the sliding rail II is vertically arranged at the corner of the outer side wall of the cabinet body, the sliding rails II are respectively and slidably connected with a support, the end part of the support is provided with the platform I, the top of the platform I is provided with the motor I, the end part of the rolling brush penetrates through the support and is fixedly connected with the output shaft of the motor I, the middle of the top of the cabinet body is provided with the water tank, and a hose is communicated between the pipeline I and the water tank. Preferably, the middle inside rotation of slide rail two is connected with the lead screw, and the top o