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Electromagnetic leakage suppression device of waveguide switch

A technology of a waveguide switch and a suppression device, which is applied to waveguide-type devices, circuits, electrical components, etc., can solve the problems of limited rotation of the waveguide switch, poor port isolation that cannot be used, large gaps, etc., and achieves lightweight and improved. Rotational reliability, volume reduction effect

Inactive Publication Date: 2019-05-14
THE 724TH RES INST OF CHINA SHIPBUILDING IND
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  • Abstract
  • Description
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Problems solved by technology

The gap is small, so that the two are in close contact, and the isolation between the ports is good, but the rotation of the waveguide switch is limited; the gap is large, and the isolation between the ports of the waveguide switch is poor.

Method used

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  • Electromagnetic leakage suppression device of waveguide switch
  • Electromagnetic leakage suppression device of waveguide switch
  • Electromagnetic leakage suppression device of waveguide switch

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Embodiment Construction

[0017] The invention designs a waveguide switch electromagnetic leakage suppressing device by analyzing the gap between the rotor and the stator as the cause of the microwave leakage. In the multi-channel waveguide switch, the leakage mainly includes channels along the circumferential direction of the stator and axial channels along the rotor. At the same time, there are coupling leakage of other channels, in which the gap along the circumferential direction is the maximum value of electromagnetic leakage, and the design needs to combine the expansion of materials, the rotation eccentricity of the rotor, and the radial gap after the rotor is installed. After the gap is determined, in order to reduce the crosstalk and suppress the electromagnetic transmission in the gap, it is necessary to add measures to suppress the electromagnetic leakage.

[0018] The invention provides a waveguide switch electromagnetic leakage suppressing device, which is composed of a rotor and a stator....

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Abstract

The invention proposes an electromagnetic leakage suppression device of a waveguide switch. The electromagnetic leakage suppression device is suitable for high-power even ultrahigh-power microwave electromagnetic leakage suppression, and mainly relates to the field of waveguide switches. On the premise that constant gap between a rotor and a stator of the waveguide switch is ensured, an electromagnetic leakage phenomenon caused by a gap is reduced by designing a groove in the stator or the rotor, reflection is reduced, the isolation degree is improved, so that the waveguide switch can be applied to more fields.

Description

technical field [0001] The invention relates to the field of waveguide switches. Background technique [0002] A waveguide switch is a mechatronic component that switches radio frequency signals and controls the on and off of radio frequency signals in a certain way. It is the key carrier to realize high-frequency and high-power microwave energy switching. The waveguide switch is a microwave switch that uses mechanical isolation and realizes channel switching through the rotation of the rotor. The switch has the characteristics of high operating frequency, wide frequency band, small loss, and large power capacity. Therefore, it can be widely used in communication, navigation, telemetry and remote control and other related fields, and has become one of the important components in high-frequency electronic equipment in the world today. [0003] With the development of modern radar technology, the radar signal frequency band is getting wider and wider, and the power of the t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/10
Inventor 常坚汤袁亮王洪李靳连根陈伟
Owner THE 724TH RES INST OF CHINA SHIPBUILDING IND
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