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A high voltage fuse

A high-voltage fuse, fuse technology, applied in electrical components, circuits, emergency protection devices, etc., can solve the problem of inconvenient removal of the solidified body, and achieve improved service life and resource utilization, convenient replacement, and good conductivity. Effect

Inactive Publication Date: 2016-03-09
湖南湘高电器制造有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the design of the existing structure, the connection structure between the cured body and other components is very compact, and it is inconvenient to take out the cured body

Method used

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  • A high voltage fuse

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Embodiment Construction

[0013] The technical solutions of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0014] like figure 1 As shown, a high-voltage fuse includes a fuse tube 4 and a solidified body disposed in the fuse tube 4 in a detachable manner. The solidified body includes a seven-star-pillar skeleton 1, a fuse and a quartz sand layer 3 (the black solid part in the figure), the seven-star-pillar skeleton 1 is wound with a fuse, and the head and tail of the fuse are fixed on the seven-star One end of column skeleton 1 (ie figure 1 For example, the head and tail of the fuse can be spot welded on the metal cap 12, so that the current can be drawn out through the metal cap 12.

[0015] The seven-star-pillar skeleton 1 can be a ceramic seven-sta...

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Abstract

The invention discloses a high voltage fuse which comprises a fuse tube and a solidified body arranged in the fuse tube detachably, wherein the solidified body comprises a seven-star framework, a fuse wire and a quartz sand layer. The fuse wire is wound on the seven-star framework, the head and the tail of the fuse wire are fixed on a metal cap arranged at one end of the seven-star framework, an impactor is arranged at the center of the metal cap, connection pieces are arrange on two sides of the metal cap, and the quartz sand layer is solidified on the outer side of the seven-star framework. The high voltage fuse is characterized in that a spring is arranged at the other end of the seven-star framework, the free end of the spring is connected with a lower end covering plate connected with the fuse tube through a lower end cap, an upper end covering plate is arranged on the side of the fuse tube close to the impactor, and a copper sheet sealing part corresponding to the position of the impactor is arranged at the center of the upper end covering plate connected with the fuse tube through an upper end cap. By means of the high voltage fuse, the solidified body in the high voltage fuse can be replaced conveniently, service life of the high voltage fuse is prolonged, and the resource utilization rate is increased.

Description

technical field [0001] The present invention relates to a high-voltage fuse. Background technique [0002] High-voltage fuses are simple protection appliances, which are used to protect electrical equipment from overload and short-circuit current damage. They are mainly used for overload and short-circuit protection of high-voltage transmission lines, voltage transformers, voltage transformers and other electrical equipment. Among them, the drop-type high-voltage fuse with quartz sand filler has undergone a certain process treatment, and is poured through a formed mold. The quartz sand, the seven-star column skeleton and the fuse form a solidified body. The entire fuse can be replaced only by replacing the solidified body to avoid waste of resources. However, in the design of the existing structure, the connection structure of the solidified body and other components is very compact, and it is inconvenient to take out the solidified body. SUMMARY OF THE INVENTION [0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H85/042H01H85/05
Inventor 任育文
Owner 湖南湘高电器制造有限公司
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