Backup protector for surge protector

A backup protection and protector technology, applied in emergency protection devices, circuit breaker parts, electrical components, etc., can solve the problems of power supply and distribution system tripping, short circuit, surge protector breakdown, etc., and achieve the effect of simple structure

Active Publication Date: 2017-10-13
YUEQING GUOLONG ELECTRIC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to the lightning electromagnetic pulse current of 10, 20, 40, 60, 80, 100kA (8/20μs), 25kA (10/350μs) impact or the power frequency (fault) overvoltage impact of the power supply and distributi

Method used

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  • Backup protector for surge protector
  • Backup protector for surge protector
  • Backup protector for surge protector

Examples

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Embodiment Construction

[0021] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0022] Such as Figure 1 to Figure 7 As shown, a backup protector for a surge protector includes a housing 1, left and right connecting terminals 2, a main line 3 and a handle 11, the left and right connecting terminals 2 are connected through the main line 3, and also includes a circuit board module 4, An electromagnetic switch 5, a mutual inductor 6 and an electromagnetic release 7, the electromagnetic release 7 is provided with a push rod 13, and the circuit board module 4 is fixed with a resistor 41, a diode 42, an inductance 44 and a capacitor 43, and They are connected in parallel with each other, the main line 3 is provided with a moving contact 10 and a static contact 8, and the main line 3 is set through a transformer 6, and the transformer 6 is connected to the circuit board module 4, and the circuit board module 4 is connected to the elect...

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PUM

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Abstract

The invention relates to a backup protector for a surge protector. A left wiring terminal and a right wiring terminal are connected through a main circuit; the surge protector protects a main electric wire when damage is done; the backup protector further comprises a circuit board module, an electromagnetic switch, a mutual inductor and an electromagnetic release; a resistor, a diode, an inductor and a capacitor are fixed on the circuit board module; furthermore, all are connected with each other in parallel; the main circuit is provided with a movable contact and a static contact; furthermore, the main circuit is set to pass through the mutual inductor; the mutual inductor is connected to the circuit board module; and the electromagnetic switch is arranged between the circuit board module and the electromagnetic release. The backup protector for the surge protector is used with the surge protector in series; therefore, short-circuiting of a main power supply circuit due to the phenomena, such as breakdown, short-circuiting, aging and inferior, because of high current impact of thunder and lightning, and the phenomena, such as a disaster due to fire breakout and a phenomenon that electric equipment cannot normally work due to tripping, can be effectively avoided; security assurance is provided for national defense, industrial and agricultural production, communication, families, works and the like; and the backup protector disclosed by the invention is simple and compact in structure.

Description

technical field [0001] The invention relates to the field of lightning surge protection equipment, in particular to a backup protector for surge protectors. Background technique [0002] Surge protector, referred to as SPD, is suitable for AC 50 / 60HZ, rated voltage 110V, 220V to 380V, 415V, 440V power supply system or communication system, to protect against indirect and direct lightning effects or other transient overvoltage surges , It is suitable for backup protection of surge (lightning protection) protectors used in family residences, tertiary industries, communications, national defense, industry and other fields. At present, due to the lightning electromagnetic pulse current of 10, 20, 40, 60, 80, 100kA (8 / 20μs), 25kA (10 / 350μs) impact or the power frequency (fault) overvoltage impact of the power supply and distribution system, resulting in waves Surge protector breakdown, short circuit, leakage and other phenomena will cause power supply and distribution system tri...

Claims

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Application Information

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IPC IPC(8): H01H89/06H01H73/38H01H73/20H01H73/18
CPCH01H73/18H01H73/20H01H73/38H01H89/06
Inventor 宋新国陈斌
Owner YUEQING GUOLONG ELECTRIC
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