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Tuning structure

A support and cavity technology, applied in electrical components, circuits, waveguide-type devices, etc., can solve problems such as poor tuning effect, and achieve the effects of simple processing, convenient connection, and convenient mass production.

Active Publication Date: 2013-09-18
刘睛睛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In devices such as microstrip and other planar structures, dielectric resonators and dielectric oscillators, because the electromagnetic field energy in these devices is concentrated in the device, the general tuning screw has little influence on the electromagnetic field, and the tuning effect is very poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 As shown, a tuning structure includes a metal cavity 1, a support body 2 protruding from the metal cavity 1 into the metal cavity 1, and a medium arranged at the end of the support body 2 protruding into the metal cavity 1. Body 3.

[0035] In the present invention, the present invention provides a dielectric body 3 at one end of the support body 2 protruding into the metal cavity 1 . With the help of the dielectric body 3, the distribution of its electromagnetic field can be better changed, thereby adjusting the characteristics of the microwave device.

[0036] The support body 2 is a columnar structure.

[0037] The supporting body 2 is provided with a columnar structure to facilitate processing and production, and to facilitate the vertical adjustment of the supporting body 2, so that the influence on the electromagnetic field can be changed at any time.

[0038] The interface between the dielectric body 3 and the support body 2 is a plane.

[00...

Embodiment 2

[0058] Such as figure 2 As shown, the difference between the present embodiment and the first embodiment is that the metal cavity 1 is a closed cavity, only a thin metal sheet 4 is connected between the dielectric body 3 and the support body 2 , and there is no columnar metal platform 6 .

Embodiment 3

[0060] Such as image 3 As shown, the difference between this embodiment and Embodiment 1 is that the metal cavity 1 is a closed cavity, only a thin metal sheet 4 is connected between the dielectric body 3 and the support body 2, and the dielectric body 3 is far away from the end surface of the support body 2 The thin metal sheet 4 is not connected.

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Abstract

The invention discloses a tuning structure. The tuning structure comprises at least one metal cavity, a supporting body which stretches into the inner part of the metal cavity from the outer part of the metal cavity, and a medium body at the top of the part, which stretches into the metal cavity, of the supporting body. The tuning structure disclosed by the invention has the advantages of simplicity in machining, flexibility in structure and convenience in utilization. The tuning structure disclosed by the invention is hopeful to be widely applied to various microwave devices, and is particularly suitable for military and civil fields of radars, missile guidance, communication and the like.

Description

technical field [0001] The invention relates to a tuning structure, in particular to a tuning structure for microwave device adjustment. Background technique [0002] Tuning screws are usually used when tuning microwave devices. However, the tuning sensitivity of ordinary tuning screws is limited, and the gap between the tuning screw and the structure to be tuned is often very small, which increases the difficulty of tuning, and this situation will also cause stability problems. In devices such as microstrip planar structures, dielectric resonators, and dielectric oscillators, because the energy of the electromagnetic field in these devices is concentrated in the device, the general tuning screw has little influence on the electromagnetic field, and the tuning effect is very poor. Contents of the invention [0003] The main advantage of the present invention is that the electromagnetic field distribution near the microwave device is obviously changed by using the dielectr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/00
Inventor 王清源谭宜成莫坤山
Owner 刘睛睛
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