Multidirectional special-shaped feed structure and processing technology thereof

A feeding and special-shaped technology, which is applied in the direction of antenna grounding switch structure connection, circuit, electrical components, etc., can solve the problems of passive intermodulation, etc., and achieve the effects of improving production efficiency, simplifying the process flow, and reducing processing costs

Pending Publication Date: 2022-03-22
CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: how to solve the technical difficulties in process realization while satisfying the design requirements of the feeder, and provides a multi-directional special-shaped feeder structure, which integrates the feeder structure forming process and the feeder structure with the front and rear ends The combination of the interconnection process of the interface greatly simplifies the process flow, which not only ensures the high-precision requirements of the high-frequency passive components for the complex inner cavity structure of the feeder, but also solves the passive intermodulation problem caused by contact nonlinearity

Method used

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  • Multidirectional special-shaped feed structure and processing technology thereof
  • Multidirectional special-shaped feed structure and processing technology thereof
  • Multidirectional special-shaped feed structure and processing technology thereof

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Embodiment 1

[0031] The multi-directional special-shaped feed structure in this embodiment includes a feed body in the form of a closed cavity and at least two feed interfaces. The inner cavity of the feed body is provided with at least two multi-directional special-shaped feature structures. The characteristic structure is matched and connected with the feeding interface one by one, and the feeding interface realizes the internal and external interconnection of the feeding structure by welding with the radio frequency connector;

[0032] The multidirectional special-shaped feature structure is provided with a mounting hole matching the shape of the end of the inner conductor of the radio frequency connector, and a vertical threaded hole is opened through the mounting hole, and the end of the inner conductor of the radio frequency connector is inserted into the In the mounting hole, the vertical threaded hole is pierced with a positioning pin, and the inner conductor of the radio frequency ...

Embodiment 2

[0040] Such as figure 1 , 2 As shown, the multi-directional special-shaped feeding structure of this embodiment includes a feeding interface 1 , a feeding interface 2 and a feeding body 3 . The inner conductor of the feed interface 2 is provided with a groove 21 . The feeder body 3 contains two multi-directional special-shaped characteristic structures 51 and 52, and the external dimension accuracy of the two characteristic structures is required to be ±0.01mm. The characteristic structure is provided with interface mounting holes 511 and 521, lower vertical holes 512 and 522, and upper vertical threaded holes 513, wherein the lower vertical holes 512 and 522 are used for pre-soldering, and the upper vertical threaded hole 513 is used for filling positioning pins 7 . Positioning holes 53 are provided on the housing 5 for installing pins to position the cover plate and the welding piece. The two feeder interfaces are interconnected with the characteristic structure through ...

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Abstract

The invention discloses a multidirectional special-shaped feed structure and a processing technology thereof, and belongs to the technical field of feed structure design, and the multidirectional special-shaped feed structure comprises a feed main body in a closed cavity form and at least two feed interfaces. According to the radio frequency connector, the radio frequency connector inner conductor groove and the vertical threaded hole are ingeniously designed, the inner conductor, the positioning pin and the multidirectional special-shaped feature structure are welded into a whole, and the electric connection strength is guaranteed while the radio frequency connector is positioned; through a multi-dimensional integrated welding method of one or more feed interfaces, a cover plate and a shell main body, a forming process of a feed structure comprising a multi-directional special-shaped structure and an interconnection process of the feed interfaces are effectively combined, so that the problems of narrowing of a process window and low yield caused by multiple welding are avoided; feed interconnection and structural mechanical connection are achieved at a time, and a continuous interface is formed through welding, so that the problem of contact nonlinear passive intermodulation caused by a metal contact surface is solved.

Description

technical field [0001] The invention relates to the technical field of feed structure design, in particular to a multi-directional special-shaped feed structure and its processing technology. Background technique [0002] With the continuous development of passive microwave components in the direction of miniaturization, multi-functionality, and high-frequency bands, the performance indicators of the feeder part are required to be higher and higher, and the design of the feeder is becoming more and more complicated, especially in ground and satellite communications. system. In addition, passive intermodulation will seriously interfere with the normal operation of the communication system. The passive intermodulation in the feed design is also a bottleneck problem in many engineering applications. Low passive intermodulation has become one of the key indicators of microwave components in communication systems. . [0003] Feed is an important part of high-frequency passive m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/50H01R4/02H01R43/02
CPCH01Q1/50H01R4/029H01R43/02
Inventor 吴瑛许春停徐幸陈该青杨双根张辉付任刘颖李盛鹏田野孙大智王小宇
Owner CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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