Solid assembly unit of switchgear cubicle for loop network

A combination unit and switchgear technology, applied in the direction of switchgear, switchgear setting, electrical components, etc., can solve the problems of laxity, three-position isolating grounding switch without visible fracture, leaky sealing, etc., and it is easy to achieve components , compact structure, safe and reliable use

Inactive Publication Date: 2013-09-18
淄博金龙电力设备股份有限公司 +1
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a solid combination unit for a ring network switchgear, which solves the problems of unsealed or poorly sealed existing solid insulated ring network cabinets and no visible fracture of the three-station isolating grounding switch. Compact structure, reasonable design, easy modularization of components, visible fracture, high insulation strength, good interchangeability, easy installation and debugging, safe and reliable use

Method used

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  • Solid assembly unit of switchgear cubicle for loop network
  • Solid assembly unit of switchgear cubicle for loop network
  • Solid assembly unit of switchgear cubicle for loop network

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Embodiment Construction

[0022] according to Figure 1-8 The specific structure of the present invention will be described in detail. The solid combination unit for the ring network switchgear includes a vacuum circuit breaker and load switch module 1 and a three-position isolating grounding switch module 2 . According to actual use requirements, the vacuum circuit breaker and load switch module 1 on the upper part and the three-position isolation grounding switch module 2 on the lower part can form a solid combination unit for the ring network switchgear with lower isolation structure. Among them, the output static contact 23 of the vacuum circuit breaker and load switch module 1 is installed on the static knife installation hole 29 of the outlet end of the three-position isolation grounding switch module 2, and the connecting flanges are sealed with a silicon rubber sealing ring 22 and bolted. Fixed seal insulation. It can also be composed of the three-station isolation grounding switch module 2 o...

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Abstract

Disclosed is a solid assembly unit of a switchgear cubicle for a loop network. The problems that an existing solid insulation switchgear cubicle for the loop network is not sealed or not sealed tightly and a three-station isolating grounding switch is free of visible fractures are solved. The solid assembly unit comprises a three-station isolating grounding switch module and a vacuum circuit breaker and load switch module, and is essentially technically characterized in that the three-station isolating grounding switch module comprises a small-sized modular operating mechanism and three-station isolating grounding switch poles with visible fractures, the vacuum circuit breaker and load switch module comprises a vacuum circuit breaker and load switch poles and a small-sized multifunctional operating mechanism, and the vacuum circuit breaker and load switch module and a universal connecting flange of the three-station isolating grounding switch module are mutually sealed by a silicone rubber sealing ring and are fixedly connected by bolts for sealed insulation. The solid assembly unit is compact in structure, reasonable in design, easy for modularization of parts, visible in fractures, high in insulating strength, good in interchangeability, convenient to install and debug and safe and reliable to use.

Description

technical field [0001] The invention relates to a switchgear for ring network power supply and terminal power supply, in particular to a solid combination unit for a fixed ring network switch cabinet with a small modular structure. It is mainly used in ring network switch cabinets in urban buildings, shopping malls, public utilities, airports, railways, transportation, coal, chemicals, steel, industrial and mining enterprises, transmission and transformation stations, and power plants. Background technique [0002] Ring network switchgear (ring network cabinet) is a high-voltage switchgear assembled in a steel plate metal cabinet or made into an assembled interval ring network power supply unit. Most of its core parts use vacuum circuit breakers, load switches and isolating switches. It has a simple structure, It has the advantages of small size, low price, improved power supply parameters and performance, and power supply security. According to the insulation medium, the r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/035
Inventor 孙立博王宏强姜全海
Owner 淄博金龙电力设备股份有限公司
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