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Novel outdoor high-voltage fuse

A high-voltage fuse, outdoor technology, applied in the high-voltage electrical field, can solve the problems of endangering the safety of maintenance personnel, affecting the conductivity, and the design of the insulating sheath is wide, etc., to achieve the effect of improving contact performance and increasing self-locking function

Inactive Publication Date: 2018-01-26
ZHENGZHOU RUNNER ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of mass use in various regions, there are many problems in the existing traditional drop-out fuses. First, the existing outdoor high-voltage drop-out fuses are fully exposed structures, which are greatly affected by the environment.
The upper and lower contacts are exposed to the outside all the year round, which seriously affects its electrical conductivity after corrosion and greatly shortens the service life
Some manufacturers address this defect by adding insulating sheaths to the upper and lower ends, but in order to facilitate installation, the insulating sheaths are snap-fitted, and the design of the insulating sheaths is wide, which increases the possibility of sundries or rainwater entering along the gaps.
Especially in winter, it will make the use environment of the product worse
Second, when there is a strong wind in coastal cities, some outdoor high-voltage drop-out fuses will be blown off by the strong wind, causing power outages on the line; third, the phenomenon of bird nesting is relatively serious, requiring frequent maintenance, wasting a lot of manpower and material resources, and endangering maintenance personnel safety
Existing high-voltage drop-out fuses can no longer meet the needs of the power grid

Method used

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Embodiment Construction

[0021] In order to facilitate those skilled in the art to have a better understanding of the present invention, further description will be given below in conjunction with the accompanying drawings and embodiments.

[0022] The assembly sequence of the novel outdoor high-voltage fuse of the present invention is as follows:

[0023] a. Upper static contact part 1

[0024] b. Base part 2

[0025] c. Install the pillar part 3

[0026] d. The main part of the fusion pipe 4

[0027] e. Machine debugging.

[0028] a. Assembling the upper static contact part 1: install the upper compression spring 11, the upper static contact 12, and the upper insulating cylinder 13 on the fixed upper incoming line terminal 10.

[0029] b. Assembly of the base part 2: insert the lower compression spring 25 into the insulating tube 26 and then penetrate the lower static contact 27 from the other end of the insulating tube 26, fix the lower compression spring 25, and then move the above part from t...

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PUM

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Abstract

The invention relates to a novel outdoor high-voltage fuse, which comprises an upper static contact part (1), a support post part (3), a fusion tube main body part (4), a base part (2), an opening andclosing operation head (5), an upper end shield (6), a lower end shield (7), an incoming silicone tube (8) and an outgoing silicone tube (9). According to the novel outdoor high-voltage fuse, overcurrent can be reliably segmented; the contact performance and the mechanical strength are improved; the novel outdoor high-voltage fuse has a self-locking function; the fully-enclosed and fully-insulated design is achieved; and the service life of the novel outdoor high-voltage fuse is prolonged.

Description

technical field [0001] The invention relates to the high-voltage electrical field, in particular to a fully enclosed and fully insulated outdoor high-voltage drop-out fuse. Background technique [0002] Outdoor high-voltage fuses are line and equipment overcurrent and short-circuit protection, high-voltage power protection switches, and are also one of the main switching devices for distribution networks and rural power networks, and are widely used in various regions. In the process of mass use in various regions, there are many problems in the existing traditional drop-out fuses. First, the existing outdoor high-voltage drop-out fuses are fully exposed structures, which are greatly affected by the environment. The upper and lower contacts are exposed to the outside all the year round, and the corrosion will seriously affect its electrical conductivity and greatly shorten the service life. Some manufacturers address this defect by installing insulating sheaths on the upper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H85/54H01H85/165H01H85/38H01H85/20
Inventor 翟京科刘好军
Owner ZHENGZHOU RUNNER ELECTRIC
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