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A Circuit Breaker Structure for Mistake-Proof Installation

A circuit breaker, error-proof technology, applied in the direction of circuits, emergency protection devices, electrical components, etc., can solve problems such as wrong installation, and achieve the effect of ensuring normal operation

Inactive Publication Date: 2016-08-03
STATE GRID SHANDONG ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above-mentioned problem of wrong installation in the installation of the current drop-out fuse, the present invention provides an installation error-proof circuit breaker structure. , to ensure the normal operation of the fuse

Method used

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  • A Circuit Breaker Structure for Mistake-Proof Installation
  • A Circuit Breaker Structure for Mistake-Proof Installation
  • A Circuit Breaker Structure for Mistake-Proof Installation

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Embodiment one, figure 1 It shows the structure diagram of the circuit breaker for error-proof installation provided by this embodiment, figure 2 It shows the structural diagram of the upper connection assembly in the fuse provided by this embodiment, image 3 It shows the structural diagram of the movable clip in the fuse provided by this embodiment, Figure 4 A structural diagram of the wiring sleeve in the fuse provided in this embodiment is shown. The error-proof circuit breaker structure includes an insulating support 1, an upper connecting component 2 connected to the upper end of the insulating support 1, a lower connecting component 3 connected to the lower end of the insulating support 1, and connected to the upper connecting component 2 and the lower connecting component 3. Between the fuse tube 4, the fuse tube 4 is provided with a fuse 5, and the two ends of the fuse 5 are fixedly connected to the upper connection assembly 2 and the lower connection assem...

Embodiment 2

[0028] Embodiment two, Figure 5 A structural diagram of another floating clip in the fuse provided in this embodiment is shown. The drop-out fuse in Embodiment 2 is different from the drop-out fuse in Embodiment 1 in that: the movable clip 6 also includes a first fixing bolt 6d for fixing the first caliper 6b and / or the second fixing bolt 6e for fixing the second caliper 6c.

[0029] On the basis of Embodiment 1, the technical effect of Embodiment 2 is also: Embodiment 2 provides another implementation structure of the movable caliper. After determining the gap distance between the first caliper 6b and the second caliper 6c, Tighten the first fixing bolt 6d to fix the first caliper 6b on the guide rail 6a, or tighten the second fixing bolt 6e to fix the second caliper 6c on the guide rail 6a, thereby locking the first caliper 6b and the second caliper 6c, and then lock the thickness of the currently applicable fuse.

[0030] On the basis of the above-mentioned embodiments...

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Abstract

The invention relates to the field of fuses, and discloses a mounting error prevention circuit breaker structure. According to the mounting error prevention circuit breaker structure provided by the invention, the thickness of an existing available fuse wire is limited by a gap between a first caliper and a second caliper in a moving clamping part, so that a mounting worker can distinguish the thickness of the existing available fuse wire in a mounting process and mount a proper fuse wire, and normal work of the fuse is guaranteed.

Description

technical field [0001] The invention relates to the field of fuses, in particular to an installation error-proof circuit breaker structure. Background technique [0002] The drop-out fuse is a kind of open circuit protection switch commonly used in branch lines of 10KV distribution lines and distribution transformers. When the current flowing through the fuse exceeds the threshold value, the heat generated by itself will blow the fuse, thereby causing the fuse tube to drop. , Open the disconnection distance, and perform disconnection protection for the high-voltage circuit. Due to its advantages of economy, convenient operation and strong environmental adaptability, it is widely used in 10Kv distribution lines and the primary side of distribution transformers for protection and equipment switching and switching operations. [0003] After the fuse is blown, a new fuse needs to be reinstalled. However, because there are many types of fuses on the market, and the thickness of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H85/24
CPCH01H85/24
Inventor 王强李效乾陈小虎王飒谢胜军
Owner STATE GRID SHANDONG ELECTRIC POWER
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