Cubicle gas-insulated switchgear

A technology of inflatable cabinets and cabinets, applied in the field of switches, can solve problems such as safety accidents, unpredictable failures of circuit breakers and isolation switches, etc.

Active Publication Date: 2017-02-22
STATE GRID CORP OF CHINA +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an inflatable cabinet to solve the problem in the prior art that the faults of circuit breakers and isolating switches cannot be predicted and easily lead to safety accidents

Method used

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  • Cubicle gas-insulated switchgear
  • Cubicle gas-insulated switchgear
  • Cubicle gas-insulated switchgear

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0020] A specific embodiment of an inflatable cabinet of the present invention, such as Figure 1 to Figure 3 As shown, including the cabinet body, the cabinet body has a main control room 4, an inflatable busbar room 1, a circuit breaker room 2 and a cable room 3, and the inflatable busbar room 1, circuit breaker room 2 and cable room 3 are arranged from top to bottom in sequence, and the inflatable The busbar room 1 is provided with a three-position isolating switch, the circuit breaker room 2 is provided with a solid-sealed pole 17, and the solid-sealed pole 17 is sealed with an arc extinguishing chamber, and the arc extinguishing chamber has a static terminal outlet seat 19 and an extinguishing chamber. Arc chamber moving terminal outlet seat 18, the main control room 4 is located on the left side of the inflatable busbar room 1, circuit breaker room...

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PUM

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Abstract

The invention relates to a cubicle gas-insulated switchgear comprising a cabinet body. An arc-extinguish chamber and a disconnecting switch are arranged inside the cabinet body. The arc-extinguish chamber consists of an arc-extinguish chamber static-end outlet base and an arc-extinguish chamber moving-end outlet seat. The disconnecting switch includes a disconnecting switch moving contact base and a disconnecting switch static contact base. At least one of the arc-extinguish chamber static-end outlet base, the arc-extinguish chamber moving-end outlet seat, the disconnecting switch moving contact base, and the disconnecting switch static contact base is provided with a temperature sensor. Therefore, whether a working sate of a circuit breaker is normal and whether a working state of the disconnecting switch is normal can be determined in real time; if a fault occurs at the circuit breaker or the disconnecting switch and thus a temperature rise phenomenon occurs at a connection part, the staff can get the information timely by the temperature sensor, so that frequent occurrence of accidents due to a fault of the circuit breaker or the disconnecting switch in the prior art can be avoided.

Description

technical field [0001] The invention belongs to the technical field of switches, and in particular relates to an inflatable cabinet. Background technique [0002] Traditional switchgear adopts air insulation technology. In order to ensure the safe operation of switchgear, sufficient air clearance must be ensured. Although composite insulation technology was adopted later, the volume of switchgear is still relatively large, especially in salt spray, humidity, When used in harsh environments such as high altitudes, the requirements for the air clearance of the switchgear are higher, and the volume of the switchgear is larger. [0003] With the development of switchgear technology, gas-filled cabinets appeared. The inflatable cabinet is to seal the circuit breaker, grounding switch, isolating switch and other equipment in the gas chamber filled with sulfur hexafluoride or other insulating gases to ensure the insulation performance of the switchgear. However, key equipment suc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/035
CPCH02B13/035H02B13/0358
Inventor 姜亚军王帮田张杰杨思亮纪江辉王金雷王小丽张丽娟赵玉芝张艳晓张鹏曹善军王金芳赵成李燕燕郅娇娇王鹏
Owner STATE GRID CORP OF CHINA
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