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Surge backup protection device and limiting device for surge protection device

A backup protection device and surge protection technology, which is applied in emergency protection circuit devices, emergency protection devices with automatic disconnection, emergency protection circuit devices for limiting overcurrent/overvoltage, etc., can solve the problem of difficult operation and fast response Slow, complex structure and other issues

Pending Publication Date: 2022-01-28
杭州易造科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the actual use of the protection device for separating the surge protector, a set of jacking mechanisms driven by a motor is used to drive the separation of the surge protector, which adds an additional connection circuit and has a complicated structure. Slow and difficult to operate

Method used

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  • Surge backup protection device and limiting device for surge protection device
  • Surge backup protection device and limiting device for surge protection device
  • Surge backup protection device and limiting device for surge protection device

Examples

Experimental program
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Effect test

Embodiment 1

[0033] like figure 1 , 3 As shown, a surge backup protection device includes a base 1, a surge protector is installed inside the base 1, a protective case 2 is provided outside the surge protector, and positioning grooves 3 are provided on both sides of the protective case 2 , the inner wall of the base 1 is fixedly provided with a positioning block 4 used in conjunction with the positioning groove 3, so that when the surge protector is installed inside the base 1, the positioning block 4 cooperates with the positioning groove 3 to align the protective shell 2 on the base 1 internal location for positioning.

[0034] like Figure 1-3 As shown, a first conductive joint is provided on the bottom of the protective case 2, and a second conductive joint matching the first conductive joint is provided on the inner surface of the bottom of the base 1, and a first conductive joint is provided on the outside of the first conductive joint. Sleeve 5, a second sleeve 6 is provided on t...

Embodiment 2

[0042] A limit device for a surge protection device, comprising a sliding chamber 331; a sliding rod 332; a piston plate 333;

[0043] A baffle plate 336; a connecting rod 337; the sliding chamber 331 is hollow, the piston plate 333 is horizontally slid inside the sliding chamber 331, and the piston plate 333 can be vertically The slide chamber 331 slides inside, and the slide rod 332 is vertically fixedly arranged on the upper end surface of the piston plate 333, and the slide rod 332 penetrates and slidably connects the upper inner wall of the slide chamber 331, and the slide rod 332 The connecting rod 337 is fixedly connected to the end of the connecting rod 332 , and the baffle plate 336 is fixedly connected to the end of the connecting rod 337 .

[0044] Specifically, it also includes a sealing chamber 335; a spring telescopic rod 334; the sealing chamber 335 is arranged on the sliding chamber 331, and the sealing chamber 335 is formed by sealing the piston plate 333 and ...

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PUM

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Abstract

The invention discloses a surge backup protection device and a limiting device for the surge protection device, and the limiting device for the surge protection device comprises a sliding cabin; a slide bar; a piston plate; a baffle plate; and a connecting rod; the sliding bin is hollow, the piston plate is horizontally and slidably arranged in the sliding bin and can slide in the sliding bin in the vertical direction, the sliding rod is vertically and fixedly arranged on the upper end face of the piston plate, and the sliding rod penetrates through and is slidably connected with the inner wall of the upper side of the sliding bin. And the end part of the sliding rod is fixedly connected with the connecting rod, and the end part of the connecting rod is fixedly connected with the baffle plate, so that the surge protection device is protected.

Description

technical field [0001] The invention relates to the technical field of lightning protection equipment, in particular to a surge backup protection device and a limit device for the surge protection device. Background technique [0002] At present, in order to prevent the invasion of lightning current in the power distribution system, a surge protector is usually installed between the transmission line and the electrical equipment. When used in signal equipment, the maximum discharge current is limited. If the thermal trip cannot be performed at the maximum discharge current, the surge protector will not be able to withstand the lightning current and cause a short circuit of the power supply, resulting in a power supply accident; conventional solutions It is a varistor series connection insurance, but when the series connection insurance capacity is small, it cannot withstand excessive voltage impact; when the series connection insurance capacity is large, the insurance needs ...

Claims

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Application Information

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IPC IPC(8): H01H9/22H01H9/52H02H3/08H02H5/04H02H7/00H02H9/00H02H9/02
CPCH01H9/22H02H9/005H02H9/02H02H7/008H02H3/08H02H5/04H01H9/52
Inventor 朱云超冯慧
Owner 杭州易造科技有限公司