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A fire and explosion-proof three-phase power supply lightning protector

A technology of three-phase power supply and lightning protector, which is applied in the direction of electrical components, circuit devices, emergency protection circuit devices, etc., can solve the problems that the lightning protector does not have the function of fire and explosion protection, and it is difficult to prevent fire and explosion, and achieve a simple shell structure design , low residual voltage, and large transient current flow capacity

Active Publication Date: 2019-01-18
SHANGHAI XINFENG ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current lightning arresters do not have the function of fire and explosion protection, because it is difficult to be used in some fields that require fire and explosion protection

Method used

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  • A fire and explosion-proof three-phase power supply lightning protector
  • A fire and explosion-proof three-phase power supply lightning protector
  • A fire and explosion-proof three-phase power supply lightning protector

Examples

Experimental program
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Embodiment Construction

[0020] see figure 1 with figure 2 , a fire and explosion-proof three-phase power surge protector shown in the figure includes a surge protector shell 100 made of all-metal material and a circuit board 300 provided with a lightning protection circuit 301 .

[0021] The lightning arrester housing 100 includes a housing 110 surrounded by a top surface 111, a bottom surface 112, a left side 113, and a right side 114, and front and rear end covers 120, 130, and a number of The pressure riveting stud 112a, the pressure riveting stud 112a extends toward the top surface 111, and the internal screw hole with the opening direction facing the top surface 111 is opened on the pressure riveting stud 112a; The circuit board installation operation hole 111a corresponding to the position of the rivet stud 112a is provided with some through holes (not shown) corresponding to the position of the rivet stud 112a on the circuit board 300. When installing, the circuit board 300 Place on these r...

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PUM

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Abstract

The invention discloses a fire-proof and explosion-proof three-phase power supply lightning protection device, which comprises a circuit board and a lightning protection device housing, wherein the circuit board is provided with a lightning protection circuit; the lightning protection device housing is made of an all-metal material; and the circuit board is arranged in the lightning protection device housing. The lightning protection device housing made of the all-metal material is adopted by the fire-proof and explosion-proof three-phase power supply lightning protection device disclosed by the invention; and the circuit board and components of the power supply lightning protection device are arranged in the metal housing. The metal housing can play fire-proof and explosion-proof roles; the safety when the power supply lightning protection device works is increased; the housing is simple in structural design; and the fire-proof and explosion-proof three-phase power supply lightning protection device is relatively convenient to install and maintain.

Description

technical field [0001] The invention relates to the technical field of lightning protectors, in particular to a fireproof and explosion-proof three-phase power supply lightning protector. Background technique [0002] Surge protector, also called surge protector, is an electronic device that provides safety protection for various electronic equipment, instruments, and communication lines. When the electrical circuit or communication line suddenly generates a peak current or voltage due to external interference, the surge protector can conduct the shunt in a very short time, so as to avoid the damage of the surge to other equipment in the circuit. [0003] Among them, the power surge protector is mainly for the surge protection selected by the power system, and is used to prevent the equipment from being struck by lightning. Avoid a series of damage caused by lightning strikes such as damage to equipment or components, casualties, interference or loss of transmitted or store...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02H9/00H05K5/02H05K5/03H05K7/14H05K7/02
CPCH02H9/00H02H9/005H02H9/042H02H9/044H05K5/0008H05K5/0017H05K5/02H05K5/03H05K7/02H05K7/14
Inventor 沈益峰林增干马玉沈平康徐玲
Owner SHANGHAI XINFENG ELECTRONICS
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