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Columnar antenna feeder lightning arrester

A technology of antenna feeder and lightning arrester, which is applied in the field of cylindrical antenna feeder lightning arrester and lightning arrester, can solve the problems of large insertion loss, large space occupation, and unsuitable products, and achieve low insertion loss, small space occupation, and small impact

Inactive Publication Date: 2015-06-03
WENZHOU UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the deficiencies of the background technology, the present invention provides a wide-band cylindrical lightning arrester for antenna feeders, which mainly solves the problems of: the general lightning arrester for antenna feeder is relatively large in size, takes up a large space, and is inconvenient to install; The channel has a relatively large influence, and the insertion loss is large; the passband is not wide enough, and the product cannot be used universally

Method used

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  • Columnar antenna feeder lightning arrester
  • Columnar antenna feeder lightning arrester
  • Columnar antenna feeder lightning arrester

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Embodiment Construction

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments: a cylindrical antenna feeder lightning arrester, including a main coaxial core and a main coaxial housing that are coaxially installed, the main coaxial housing including a hollow first housing 2 and The second housing 4, the first housing 2 and the second housing 4 are also coaxially provided with a connecting piece 3, and the connecting piece 3 is coaxially provided with a cylindrical cavity 36, an annular inner core 31 and Place the annular cavity 30 of the annular inner core 31, the cylindrical cavity 36 communicates with the inner cavities of the first shell 2 and the second shell 4, and the annular inner core 31 includes a start end 32, an end 34, and The annular core 313 between the start end 32 and the end 34, the connecting member 3 is also provided with a corresponding annular inner core 31 for connecting the annular cavity 30 and the cylindrical ho...

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Abstract

The invention discloses a columnar antenna feeder lightning arrester, and aims to mainly solve the problems that the existing T-shaped quarter wavelength antenna feeder lightning arrester occupies a large space and is incompact in structure and insufficient in bandwidth and overcome the defects that the general columnar quarter wavelength lightning arrester is high in insertion loss and the communication signal transmission is easy to affect. The columnar antenna feeder lightning arrester is characterized in that a connection piece is arranged between a first shell and a second shell; a columnar inner cavity and an annular inner cavity are formed in the connection piece; the columnar inner cavity is communicated with the inner cavities of the first shell and the second shell; an annular inner core is arranged in the annular cavity; an isolating wall for isolating the columnar inner cavity from the annular cavity is arranged in the connection piece; the annular inner core penetrates through a through hole in the isolating wall and is connected with a main coaxial core; therefore, the columnar antenna feeder lightning arrester occupies a small space, and the mounting is not limited; a discharging channel is approximately closed, and a discharging process is low in influence on a communication signal; the insertion loss is low.

Description

Technical field [0001] The lightning arrester of the present invention is mainly applied to the field of microwave communication, and particularly relates to a cylindrical antenna feeder lightning arrester. Background technique [0002] The antenna-feeder lightning arrester is an indispensable original for microwave communication. It is connected to the coaxial cable between the transmitting antenna or the receiving antenna and the equipment in the equipment room to block lightning surge pulses from invading the equipment room, thereby avoiding damage to the communication equipment. This kind of lightning arrester must be able to filter out lightning on the one hand, and at the same time it must not have much influence on the transmitted communication signal. The T-shaped antenna feeder lightning arrester is a lightning arrester designed according to the communication signal spectrum and the spectrum distribution of lightning pulses. The frequency spectrum of lightning pulses is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/202H01Q1/50
Inventor 宋占海王一芳
Owner WENZHOU UNIVERSITY
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