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A kind of overload protection radome and preparation method thereof

A technology of overload protection and radome, which is applied in the direction of antenna coupling and radiation unit cover, etc., which can solve the problems of low security of antenna system, poor stability of receiving effect, and easy damage of devices

Active Publication Date: 2020-07-07
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional overload protection circuit is usually composed of components such as diodes, which are easily damaged and not robust, resulting in low security of the antenna system and poor stability of the receiving effect
[0004] At present, there is no technology or product that can solve the overload protection problem at the front end of the antenna

Method used

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  • A kind of overload protection radome and preparation method thereof
  • A kind of overload protection radome and preparation method thereof
  • A kind of overload protection radome and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0033] The present invention provides an overload protection radome, comprising: a metal wire 2 , a P-type semiconductor 1 and an N-type semiconductor 3 .

[0034] The P-type semiconductor 1 and the N-type semiconductor 3 are in contact with each other and arranged at intervals. P-type semiconductor 1 and N-type semiconductor 3 can be rectangular parallelepiped materials, and other shapes can also be selected, such as cylindrical P-type semiconductor 1 is used to wrap metal wire 2 at intervals, and the complementary space is filled with N-type semiconductor 3 .

[0035] The metal wires 2 are in contact with the P-type semiconductor 1 and / or the N-type semiconductor 3; the metal wires 2 are arranged periodically in the lateral direction at a set interval. Specifically, metal wires 2 can be periodically arranged in the air to form a standard line medium, and the upper and lower surfaces of the standard line medium are respectively fixed by an insulating substrate 4, and P-type a...

Embodiment 2

[0046] In order to realize the radome described in Embodiment 1, this embodiment provides a method for preparing an overload protection radome, which is used to prepare an overload protection radome as described in the embodiment, including the following steps:

[0047] Step 1: Arrange the wires 2 periodically in the horizontal direction at a set interval a to obtain a piece of wire medium, set the interval as a, and the radius of the wires 2 as r 0 , then a and r0 Satisfy: a0 <<λ, where λ is the wavelength; the longitudinal length of the metal wire 2 satisfies nλ / 2, where n is a positive integer.

[0048] Step 2: Along the direction of the metal wire 2, wrap the metal wire 2 with P-type semiconductor 1 and N-type semiconductor 3 at intervals in the space between the metal wire 2, and arrange the P-type semiconductor 1 and N-type semiconductor 3 at intervals in the lateral direction , forming a radome.

[0049] Step 3: Place the radome on the front end of the antenna transmit...

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PUM

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Abstract

The invention provides an overload protection antenna cap and a preparation method thereof, solving a problem of overload protection at the antenna front end, lowering requirement of the antenna on arear end overload protection circuit, making antenna system design less complex, improving real-time performance of overload protection, and performing overload protection on the antenna device. The overload protection antenna cap comprises a metal wire, a P type semiconductor and an N type semiconductor, wherein the P type semiconductor and the N type semiconductor are made of a cuboid material,the P type semiconductor and the N type semiconductor are contacted with each other and are arranged at interval, and the metal wire is contacted with the P type semiconductor and / or the N type semiconductor. The metal wire is a metal wire medium, the longitudinal length of which is integral multiple of halfwavelength, the loss of the metal wire is low, the cross section of the metal wire is greater than an antenna receiving aperture, and the metal wires are arranged in transverse direction periodically by set interval.

Description

technical field [0001] The invention relates to the technical field of antenna design, in particular to an overload protection radome and a preparation method thereof. Background technique [0002] In communication and radar detection, due to weather reasons or the need for electronic countermeasures, the input circuit of the antenna needs to have an overload protection function to prevent the rear-end equipment of the antenna from being damaged by lightning strikes or high-power signals. [0003] At present, the overload protection function of the antenna is realized by loading an overload protection circuit between the antenna input port and the filter circuit, hereinafter referred to as "antenna back end". The traditional overload protection circuit is usually composed of components such as diodes, which are easily damaged and not robust, resulting in low security of the antenna system and poor stability of the receiving effect. [0004] At present, there is no technolog...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01Q1/42H01Q1/52
Inventor 宋巍崔欣盛新庆
Owner BEIJING INSTITUTE OF TECHNOLOGYGY