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Antenna feeder surge protector

A surge protector and protector technology are applied in emergency protection circuit devices, emergency protection circuit devices for limiting overcurrent/overvoltage, electrical components, etc., which can solve the problem of insufficient reliability and achieve simple structure, Ease of use and high reliability

Inactive Publication Date: 2010-06-16
浙江恒丰光电技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to relying solely on the gas discharge tube as a switching device for the surge voltage, its reliability is not high enough

Method used

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  • Antenna feeder surge protector
  • Antenna feeder surge protector

Examples

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Embodiment Construction

[0010] Such as figure 1 As shown, it is an embodiment of the antenna surge protector of the present invention, which includes two antenna feeder system signal lines and a ground wire. A gas discharge tube is connected in series between the two antenna feeder system signal lines, and the gas discharge tube is also connected to The ground wire, each antenna feeder system signal line and the ground wire loop are also connected in sequence with a diode set in the forward direction and a diode set in the negative direction. The two antenna feeder system signal lines are further provided with a resistor between the gas discharge tube and the diode. In the overall loop composed of the two antenna feeder system signal lines and the ground line, a bidirectional diode is connected in series between the two diodes arranged in the positive direction and the negative direction. The socket of the antenna feeder surge protector adopts the L16 interface. figure 1 Among them, D1 is the diode...

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Abstract

The invention discloses an antenna feeder surge protector. The protector comprises two antenna feeder system signal lines and a ground line, a gas discharge tube is connected between the two antenna feeder system signal lines in series and also connected with the ground line; and a positively arranged diode and a negatively arranged diode are sequentially connected in a loop formed by each antenna feeder system signal line and the ground line. Due to the adoption of the technical scheme, the combination of the gas discharge tube and the diodes is used as a switching device for surge voltage, so that the protector realizes two-stage protection and has higher reliability, simple structure, low cost and convenient use.

Description

technical field [0001] The invention relates to a surge protector, in particular to a surge protector for protecting antenna feeders. Background technique [0002] The surge voltage will cause great harm to the safety of the antenna feeder, so a surge protection device must be installed. For example, the patent application No. 200520144804.5 discloses a parallel antenna feeder arrester, which connects one end of the gas discharge tube to one of the signal lines of the antenna feeder system, and the other end is grounded. Another gas discharge tube is connected between the shielding end and the grounding end of the antenna feeder system. Because relying solely on the gas discharge tube as a switching device for the surge voltage, its reliability is not high enough. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an antenna feeder surge protector with higher reliability, simple structure, low cost and convenient ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H9/06
Inventor 俞秀芳张雷张亮田彤曹冬芳王娟芳
Owner 浙江恒丰光电技术有限公司