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Home circuit protector and application thereof

A protector and circuit technology, which is applied in the direction of circuits, circuit breaker parts, overvoltage action switches, etc., to achieve the effect of preventing arc generation

Inactive Publication Date: 2017-12-08
GUANGXI NQT ELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defects and deficiencies of the existing surge protection device when the device is short-circuited and overloaded by overvoltage, and provides a protector for household circuits and its application, which can effectively prevent arc generation and short-circuit overload The protector that can quickly separate the family circuit can fundamentally eliminate fire hazards and ensure the safety of electronic equipment

Method used

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  • Home circuit protector and application thereof
  • Home circuit protector and application thereof
  • Home circuit protector and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032]A protector for household circuits, including an arc-proof component, a voltage sensitive component, a response switch component, an electrode lead-out pin and a housing; the arc-proof component includes an arc-proof ejection plate 3 and an elastic element 10; the arc-proof The ejection plate 3 is provided with a welding window 3a, a set foot 3c, a fixing hole 3b and an indicating device 8, and the voltage sensitive component includes at least one voltage sensitive element 4; Button electrode 9; the electrode lead-out pin includes a first electrode lead-out pin 6 and a second electrode lead-out pin 5; the shell includes an inner shell 1 and an outer cover 2, and the inner shell 1 is provided with two electrodes Steps, two sliding grooves 1a, an electrode hole 1d, a socket 1e and a card slot 12, the two electrode steps are respectively the first electrode step 1b and the second electrode step 1c; the inner shell 1 Two cavities are formed when it is joined with the outer c...

Embodiment 2

[0048] A protector for household circuits, including an arc-proof component, a voltage sensitive component, a response switch component, an electrode lead-out pin and a housing; the arc-proof component includes an arc-proof ejection plate 3 and an elastic element 10; the arc-proof The ejection plate 3 is provided with a welding window 3a, a set foot 3c, a fixing hole 3b and an indicating device 8, and the voltage sensitive component includes at least one voltage sensitive element 4; Button electrode 9; the electrode lead-out pin includes a first electrode lead-out pin 6 and a second electrode lead-out pin 5; the shell includes an inner shell 1 and an outer cover 2, and the inner shell 1 is provided with two electrodes Steps, two sliding grooves 1a, an electrode hole 1d, a socket 1e and a card slot 12, the two electrode steps are respectively the first electrode step 1b and the second electrode step 1c; the inner shell 1 Two cavities are formed when it is joined with the outer ...

Embodiment 3

[0064] Another embodiment of a protector for a household circuit of the present invention. This embodiment has a similar structure and usage to most of the components in Embodiment 1, the main differences are:

[0065] The electrode hole 1d is set on the second electrode step 1c; the structure of the connecting piece 11 is different; the voltage sensitive element 4 is a discharge gap type sensitive element.

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PUM

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Abstract

The invention discloses a home circuit protector and an application thereof. The protector includes an elastic element and a flash assembly, a voltage sensitive assembly, a response switch assembly, a thermo-sensitive element, an inner housing and an outer cover. The voltage sensitive assembly and the response switch assembly are in tight heat coupling. When the voltage sensitive assembly meets continuous heating and temperature rise caused by fault short circuit current due to factors including instant surge overvoltage and the like of the circuit, the response switch assembly enables ejection disengagement of the flash assembly due to the heat coupling response of the heat sensitive element, so that short circuit overload caused by electric breakdown formed by electric arcs generated in the ejection disengagement process of the switch. Fire disaster and explosion potential hazards are avoided effectively and secondary damage to an electric device is prevented.

Description

technical field [0001] The invention relates to a circuit protection device, in particular to a family circuit protector and its application. Background technique [0002] A surge protector or surge suppressor, also called a surge protection device, is a protective device that provides overvoltage safety protection for various sensitive or expensive electronic equipment, such as electronic components on computers and communication-related equipment. Existing surge protection devices are usually designed for surge overvoltage protection under medium or general conditions, so when the surge overvoltage energy is small or the time is short, the surge protection device at this time cannot be quickly and sensitively Response protection, so we usually apply voltage sensitive protection components directly to electronic circuits to achieve the purpose of protecting electronic circuits. The commonly used varistor is an electronic device composed of zinc oxide particles and complex ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/20H01H73/18H01H83/10H01H9/32
CPCH01H71/20H01H9/32H01H73/18H01H83/10
Inventor 廖黄伟黄智文王战
Owner GUANGXI NQT ELECTRONICS TECH CO LTD