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Active radio frequency antenna lightning protection system and protection method

A lightning protection and radio frequency antenna technology, applied in the direction of antenna, antenna parts, antenna grounding switch structure connection, etc., can solve the problems of signal strength and received power antenna transmission performance reduction, etc., to achieve simple protection methods and prevent insertion loss Effect of VSWR and improvement of transmission performance

Active Publication Date: 2017-12-15
XIAN AIRBORNE ELECTROMAGNETIC TECH
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an active radio frequency antenna lightning protection system, which solves the problem that the existing lightning protection device affects the signal strength and received power of the high frequency antenna and causes the transmission performance of the antenna to decrease

Method used

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  • Active radio frequency antenna lightning protection system and protection method

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Embodiment Construction

[0024] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] Such as figure 1 As shown, an active radio frequency antenna lightning protection system of the present invention includes a radio frequency signal input module 2, the radio frequency signal input module 2 is respectively connected with a radio frequency signal output module 3 and an electronic switch 4 through a feeder, and the electronic switch 4 is connected with a control module in turn 5 and data acquisition module 6, are respectively connected with temperature and humidity sensor, altitude sensor, atmospheric pressure sensor, longitude and latitude sensor, electromagnetic field sensor in data acquisition module 6; Electronic switch 4 is also connected with lightning protection module 1, and electronic switch 4, control module 5 And data acquisition module 6 is all connected with power supply.

[0026] Among them, the temperature...

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Abstract

An active radio frequency antenna lightning protection system disclosed in the invention comprises a lightning protection module and a radio frequency signal input module. The radio frequency signal input module is sequentially connected with an electronic switch and a radio frequency signal output module by a feeder line. The lightning protection module is connected with one end of the electronic switch. The other end of the electronic switch is further connected with a control module and a data acquisition module in sequence. The electronic switch, the control module and the data acquisition module are all connected with a power supply. The active radio frequency antenna lightning protection system of the invention solves the problem that the transmission performance of an antenna is reduced due to the influence of an existing lightning protection device on the signal strength of the high-frequency antenna and the received power. A lightning protection method using the lightning protection system used for the active radio frequency antenna effectively prevents the insertion loss and standing-wave ratio influence of the existing lightning protection device on the radio frequency antenna and improves the transmission performance of RF signals, and the protection method is simple and practicable.

Description

technical field [0001] The invention belongs to the technical field of lightning protection equipment, and relates to an active radio frequency antenna lightning protection system. The invention also relates to a lightning protection method for an active radio frequency antenna by using the protection system. Background technique [0002] During the flight, the aircraft will inevitably encounter severe weather such as thunder and lightning. Flying in thunderstorm weather, once struck by lightning, the protruding parts outside the fuselage, such as the receiving or transmitting antenna, are easily disturbed or even damaged by lightning strikes, resulting in loss of function and affecting the normal flight of the aircraft. Lightning surge interference will also be introduced into the aircraft as external equipment is struck by lightning, affecting the damage to aircraft communication systems and other avionics. Therefore, in order to fly normally in harsh environments, it is ...

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Application Information

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IPC IPC(8): H01Q1/50H01Q1/28
CPCH01Q1/285H01Q1/50
Inventor 康华熊秀范晓宇
Owner XIAN AIRBORNE ELECTROMAGNETIC TECH
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