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Arc extinguishing current limiting fuse adopting silicon rubber porcelain insulators

A silicone rubber insulation and insulating porcelain bottle technology, applied in electrical components, circuits, emergency protection devices, etc., can solve problems such as large arcs, circuit system damage to equipment, etc., and achieve the effect of easy maintenance, simple maintenance, and good arc extinguishing effect.

Inactive Publication Date: 2014-04-02
广西和谐电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in practical applications, when overload or short circuit occurs, a large arc will be generated when the fuse is blown, and the burning of the arc will have a negative impact on the circuit system and damage the equipment.

Method used

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  • Arc extinguishing current limiting fuse adopting silicon rubber porcelain insulators
  • Arc extinguishing current limiting fuse adopting silicon rubber porcelain insulators

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] like figure 1 , figure 2 As shown, the present invention includes a left insulating porcelain bottle 2 and a right insulating porcelain bottle 5 made of silicon rubber material, the left insulating porcelain bottle 2 is provided with a left melt pipe 1, the right insulating porcelain bottle 5 is provided with a right melt pipe 6, and the left melting The body pipe 1 and the right melt pipe 6 are provided with a fuse, and one end of the left insulating porcelain bottle 2 and the right insulating porcelain bottle 5 is connected by a fastening flange 3, and one end of the fastening flange 3 is connected with the rod-shaped pillar 4, and the left melting One end of the body tube 1 and the right melt tube 6 is connected to each other, and the other end is respectively connected to the left insulating porcelain bottle 2 and the right insulating porcelain bottle 5 through the terminal cap 7, and the left melting tube 1 and the right melting tube 6 are radially provided with n...

Embodiment 2

[0024] The difference from Embodiment 1 is that the slits are rectangular, the direction is parallel to the axial directions of the left melt pipe 1 and the right melt pipe 6, and the number of slits is one.

[0025] In this embodiment, since the narrow slit is rectangular and its direction is parallel to the axial directions of the left melt pipe 1 and the right melt pipe 6, the arc of the fuse blown is more likely to occur in the narrow slit, and the arc extinguishing effect is better.

Embodiment 3

[0027] The difference from Embodiment 2 is that the two ends of the fastening flange 3 are respectively fixed by screws.

[0028] In this embodiment, the fastening flange 3 is disassembled by screws, so that the left insulating porcelain bottle 2 and the right insulating porcelain bottle 5 can be quickly disassembled, and it is more convenient to replace the fuse.

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Abstract

The invention discloses an arc extinguishing current limiting fuse adopting silicon rubber porcelain insulators and aims to provide a current limiting fuse which is good in arc extinguishing effect, good in insulation and simple and convenient to maintain. The arc extinguishing current limiting fuse adopting the silicon rubber porcelain insulators comprises a left porcelain insulator and a right porcelain insulator; a left fuse body tube is arranged in the left insulation porcelain insulator and a right fuse body tube is arranged in the right insulation porcelain insulator; a fuse wire is arranged in each of the left fuse body tube and the right fuse body tube; the left porcelain insulator is connected with one end of the right porcelain insulator by a fastening flange; one end of the fastening flange is connected with a bar-shaped strut; one ends of the left fuse body tube and the right fuse body tube are connected while the other ends are respectively connected with the left porcelain insulator and the right porcelain insulator by a wiring end cap; narrows are radially formed in the left fuse body tube and the right fuse body tube. The arc extinguishing current limiting fuse adopting the silicon rubber porcelain insulators has the function of fast extinguishing arcs generated by the breakage of the fuse wire during overload and short circuit and has light weight and good insulating property.

Description

technical field [0001] The invention relates to a fuse, in particular to a current-limiting fuse with the function of quickly extinguishing the arc of the fuse. Background technique [0002] A fuse is a type of overcurrent protector. The fuse is mainly composed of melt, fuse tube and external filler. When in use, connect the fuse in series in the protected circuit. When the current of the protected circuit exceeds the specified value, and after a certain period of time, the heat generated by the melt itself will fuse the fuse and disconnect the circuit, thereby protecting the fuse. effect. The electrical appliances that use metal conductors as the melt to break the circuit are connected in series in the circuit. When the overload or short-circuit current passes through the melt, the melt itself will generate heat and fuse, thus playing a role in the power system, various electrical equipment and household appliances. Certain protective effect. With anti-delay characteris...

Claims

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Application Information

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IPC IPC(8): H01H85/38
Inventor 朱济伟黎国勇郭明光王庭松林时华黄秋金
Owner 广西和谐电力科技有限公司
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