High-voltage isolating switch with high-temperature protection function

A high-voltage isolating switch and high-temperature protection technology, which is applied in the direction of electric switches, air switch parts, electrical components, etc., can solve the problems of isolating switch damage, trouble, and easy heating of the knife switch, and achieve the effect of preventing shrinkage and deformation

Inactive Publication Date: 2021-07-27
丁玉玺
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the current isolating switches include multiple switches. After the parts on one of the switches are damaged, its resistance increases, and the switch is more prone

Method used

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  • High-voltage isolating switch with high-temperature protection function
  • High-voltage isolating switch with high-temperature protection function
  • High-voltage isolating switch with high-temperature protection function

Examples

Experimental program
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Embodiment 1

[0039] See Figure 1-4 A high-temperature protection high pressure isolation is closed, including the base 1, and the base 1 fixes a plurality of isolation switch, the isolation switch includes a pair of insulator 5, and the tip end of the insulator 5 is connected to the fixing plate 6 and the connecting plate 7, respectively. The fixing plate 6 hinges the tool brake 4, and the tool gate 4 includes a pair of gate plate 401, and one end of the pair of shutters 401 is fixedly connected to the arcuate conductive sheet 402, and the base 1 is rotated and connected to the shaft 2, the rotary shaft 2 Hinged between the knife locks 3;

[0040] See Figure 2-5 The connecting plate 7 includes an L-plate 701 that matches the knife gate 4, and the upper end of the L-plate plate 701 is fixedly connected to a pair of tapers 702, and the pair of tapers 702 are connected between the insulating cylinder 703, the tape 702 is close to the knife. One end of the gate 4 fixes the groove of the curved con...

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Abstract

The invention discloses a high-voltage isolating switch with a high-temperature protection function, and belongs to the field of isolating switches, the high-voltage isolating switch with a high-temperature protection function comprises a base, a plurality of isolating switches are fixedly connected to the base, each isolating switch comprises a pair of insulators, and the top ends of the pair of insulators are connected with a fixing frame plate and a connecting plate respectively; a knife switch is hinged to the fixing frame plate and comprises a pair of flashboards, the opposite ends of the pair of flashboards are fixedly connected with arc-shaped conducting strips, a rotating shaft is rotationally connected to the base, a connecting rod is hinged between the rotating shaft and the knife switch, the connecting plate comprises an L-shaped connecting plate matched with the knife switch, and the upper end of the L-shaped connecting plate is fixedly connected with a pair of protruding plates. And the insulating cylinder is connected between the pair of protruding plates, so that pressure detection and temperature detection can be carried out on the contact of the disconnecting link, the damaged disconnecting link can be independently disconnected after an insulator on a single disconnecting switch is damaged, and further damage to the disconnecting switch caused by high temperature due to a fault is prevented.

Description

Technical field [0001] The present invention relates to the field of isolation, and more particularly to a high-temperature protection high pressure isolation. Background technique [0002] Isolation switch is the most widely used terminal protection appliance in the construction electrical terminal distribution device. Isolation switch consists of dividing brake agencies, contact portions, protection devices, arc systems, and the like. Its working principle is: overload and short circuit protection using the protective device (trip device) and the current heat assembly, when the current of the coil in the current heat assembly is greater than the set current value, the electromagnetic offsettizer dynamic core action Push the attack bar hit the operating mechanism to unlock the operating mechanism, so that the separation switch is separated, thereby implementing overload and short circuit protection of the circuit. After the circuit fault is discharged, the closing operation is p...

Claims

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Application Information

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IPC IPC(8): H01H31/02H01H9/52
CPCH01H9/52H01H31/02
Inventor 丁玉玺
Owner 丁玉玺
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