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A 10 kV three-phase synchronous drop-out fuse switch

A fuse switch and three-phase synchronous technology, which is applied in the field of 10 kV three-phase synchronous drop-out fuse switch, achieves the effects of convenient operation, simplified structure and reliable connection

Active Publication Date: 2020-01-10
余谋幸 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] After searching, there is no domestic patent application identical to this application

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  • A 10 kV three-phase synchronous drop-out fuse switch
  • A 10 kV three-phase synchronous drop-out fuse switch
  • A 10 kV three-phase synchronous drop-out fuse switch

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Embodiment Construction

[0078] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the following will further explain how the present invention is implemented in conjunction with the accompanying drawings and specific implementation methods.

[0079] Such as figure 1 As shown, a 10 kV three-phase synchronous drop-out fuse switch provided by the present invention includes three sets of fusing mechanisms 100 and an insulating connecting rod 200 connecting the three sets of fusing mechanisms 100. The insulating connecting rod 200 is a high-strength insulating Resin sticks, wherein;

[0080] Such as Figure 2 to Figure 7 As shown, each group of fusing mechanism 100 includes porcelain bottle 1, installation assembly 2, incoming line terminal 3, outgoing line terminal 4, upper static contact assembly 5, lower static contact assembly 6, upper moving contact assembly 7, lower moving contact Head assembly 8, fuse tube 9, fuse 10, o...

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Abstract

The invention discloses a 10kV three-phase synchronous fall-off fusing switch three fusing mechanisms and an insulated connecting rod for connecting the three fusing mechanisms. Each fusing mechanismcomprises a porcelain vase, an installation assembly, an inlet wire terminal an outlet wire terminal, an upper static contact assembly, a lower static contact assembly, an upper moving contact assembly, a lower moving contact assembly, a fuse tube, a fuse, an opening / closing support, an opening / closing handle and an arc extinguishing tube. The switch is characterized in that a plug box fixing pinof the lower moving contact assembly rotates to a horizontal or vertical state to drive the lower moving contact assembly, the fuse tube and the upper moving contact assembly integrated with the plugbox fixing pin to move upwards or downwards together, the upper moving contact assembly is cooperated by compression with the upper static contact assembly or disconnected from the upper static contact assembly, and the fusing mechanisms are opened / closed under linkage of the insulated connecting rod. The switch has the advantages of simple structure, convenient operation, more stable contact between the upper and lower moving / static contacts, and capable of avoiding problem of arc short circuit.

Description

technical field [0001] The invention relates to a fuse switch, in particular to a 10 kV three-phase synchronous drop-out fuse switch. Background technique [0002] The fuse switch is an essential protection device for high-voltage transmission lines. When the transmission line is short-circuited or overloaded, it can disconnect the faulty line in time to avoid damage to the line and electrical equipment. [0003] The existing fuses for outdoor transformers in China are operated in one direction, and the upper contact ring hole is hung with an insulating rod. When the swing is unstable, the ears of the lower contact are hung into the lower support, so that the three phases are operated separately. , completed separately, that is difficult, time-consuming, laborious, and unsafe. It is unrealistic to use high-tech and high-cost technical means or equipment for large-volume and wide-area outdoor transformer fuses. [0004] In view of the defects of the above-mentioned one-way ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H85/54H01H85/02
Inventor 余磊
Owner 余谋幸