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Epoxy pouring solid insulation switch with double-isolation

A solid insulation, epoxy casting technology, applied in the field of power high-voltage switches, can solve the problems of high manufacturing cost, operation and maintenance cost, inconvenient installation, poor scalability, etc., and achieve high electrical safety performance, reliable contact, and resistance to dynamic The effect of improving thermal stability

Active Publication Date: 2010-03-24
SHENYANG HAOCHENG ELECTRICAL SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the current high-voltage switches and switchgears that are too large in volume, use SF6 gas arc extinguishing to bring serious pollution to the environment, poor scalability, inconvenient installation, poor reliability, and high manufacturing costs and operation and maintenance costs. To provide an epoxy cast solid insulated double isolating switch with compact structure, small size, low operation and maintenance costs, not affected by the operating environment, and can significantly reduce the investment in power facilities and reduce the loss of transmission and feeder lines

Method used

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  • Epoxy pouring solid insulation switch with double-isolation
  • Epoxy pouring solid insulation switch with double-isolation

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Embodiment

[0037] The manufacture and installation of the epoxy cast solid insulated double isolating switch has strong technicality and manufacturability, and the shell 1 made of the metal thin plate of the present invention is isolated from the surrounding environment to play the role of protection and isolation. as attached figure 1 , 2 shown.

[0038]Epoxy cast solid insulated double isolating switch, including a housing 1 and three switch bodies 33 with the same structure corresponding to the three phases of AC A, B, and C installed in the housing 1 and three operating mechanisms 10 of finished parts ;

[0039] The switch body 33 includes a vacuum interrupter cabin 12 and two upper and lower isolating switches 2 and 18 with the same structure; the upper isolating switch 2, the vacuum interrupter cabin 12 and the lower isolating switch 18 are fixedly connected to each other, and the upper isolating switch 2 is located at Above the vacuum interrupter cabin 12, the lower isolation s...

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Abstract

The present invention provides an epoxy pouring solid insulation switch with double-isolation which comprises three same switch bodies arranged in a housing, the switch body comprises a vacuum explosion chamber and two same upper and lower isolation switches; the upper isolation switch, the vacuum explosion-chamber cabin and the down isolation switch are fixedly connected each other, the upper isolation switch locates above the vacuum explosion chamber cabin, the lower isolation switch locates below the vacuum explosion chamber cabin, the lower isolation switch has a same horizontal installingdirection and an opposite vertical installing direction with the upper isolation switch. The switch provided by the invention has advantages of reasonable design, higher electric safety performance,little volume, light weight, stable performance, reliable motion, stronger practicability and advancement. The switch provides assurance for reliability of electric supply, which is a precondition condition for reducing user investment.

Description

technical field [0001] The invention relates to a power high-voltage switch, in particular to a fully insulated epoxy cast solid insulated double isolating switch. Background technique [0002] The power switch is one of the key equipment in the power supply industry. It is used to protect the safe operation of the generator set in the power station. It is used as a switch for power transmission and transformation lines. It is one of the key components in relay protection and plays a role in safe power transmission. Function, mines, oil fields, and enterprises are used as equipment for industrial power distribution and electric traction. From this point of view, power switches play an important role in distributing electric energy and protecting power distribution equipment. [0003] The currently used power switch and the switchgear used with it are relatively large in volume, and a large amount of SF6 gas is used, which can bring serious pollution to the environment. Due ...

Claims

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Application Information

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IPC IPC(8): H02B13/00H02B1/04H02B1/20H01H33/04H01H31/00
CPCH01H33/6661
Inventor 李文东朱书明魏海波李建刘天佐
Owner SHENYANG HAOCHENG ELECTRICAL SCI & TECH
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