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Radio frequency coaxial connector and microwave transmission structure

A radio frequency coaxial and connector technology, applied in the direction of connection, connection device, two-part connection device, etc., can solve the problems of lack of inspection means, air cavity impedance matching effect, etc., to reduce the deterioration of standing waves, reduce welding difficulty, reduce The effect of build difficulty

Inactive Publication Date: 2017-05-31
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

However, these two air cavities have very high requirements on the machining accuracy of the shell, and there is no effective inspection method to ensure the impedance matching effect of the air cavities

Method used

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  • Radio frequency coaxial connector and microwave transmission structure
  • Radio frequency coaxial connector and microwave transmission structure
  • Radio frequency coaxial connector and microwave transmission structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] In Embodiment 1 of the present invention, the air cavity structure originally in the housing installation hole is integrally processed to the end position of the end where the radio frequency coaxial connector is connected to the microstrip line. The air cavity structure is the first air cavity structure 2-1 with an inner diameter of 2 mm and a length of 0.15 mm formed by the part extending from the outer conductor 1-1 of the connector and the insulator 1-3, and the first air cavity structure 2-1 with an inner diameter of 0.6 mm and a length of 0.25 mm. mm The second air chamber structure 2-2, refer to the appendix figure 2 , a part of the inner conductor ferrule 1-2 is in the air medium to form impedance matching, and the part protruding from the outer conductor of the connector is welded with the microstrip line.

[0015] The method of assembling and welding the radio frequency coaxial connector and the shell mounting hole 3 in Embodiment 1 of the present invention r...

Embodiment 2

[0017] In Embodiment 2 of the present invention, the part of the air cavity structure originally in the mounting hole of the housing is processed to the end position of the end where the radio frequency coaxial connector 1 is connected to the microstrip line. Impedance matching structure The part extending from the outer conductor 1-1 of the connector and the insulator 1-3 form a first air cavity structure 2-1 with an inner diameter of 2 mm and a length of 0.15 mm. Refer to the attached Figure 4 . Compared with Embodiment 1, the installation hole 3 of the connector also needs to process a ferrule hole with a diameter of 0.6 mm and a thickness of 0.25 mm at the bottom of the installation hole to match. Fitting the connector and the solder ring into the mounting hole during soldering can also avoid the situation that the connector is not installed in place caused by the positioning of multiple step holes and the machined residual burrs or foreign objects on the step surface. I...

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Abstract

The invention discloses a radio frequency coaxial connector. The radio frequency coaxial connector comprises a radio frequency coaxial connector body and air cavity structures for impedance matching required when the radio frequency coaxial connector body is transited to a microstrip line, and the air cavity structures which are generally designed and processed in connector mounting holes are directly designed at the end part of the end, connected with the microstrip line, of the radio frequency coaxial connector body. Compared with the prior art, the radio frequency coaxial connector has the advantages that quantitative measurement of standing waves after impedance matching between the radio frequency coaxial connector body and the air cavities can be realized, the machining difficulty of millimeter waveband connector mounting holes is particularly reduced, and deterioration of the standing waves, caused by tolerance accumulation of the mounting holes and the radio frequency coaxial connector body, is avoided; the welding difficulty of the radio frequency coaxial connector body and the mounting holes is greatly lowered, and deterioration of the standing waves, caused by mismatching of the air cavity structures due to welding of the radio frequency coaxial connector body, is also avoided; the standing wave performance after installation of the radio frequency coaxial connector body is guaranteed, and the radio frequency coaxial connector is particularly suitable for transmitting such high-frequency signals as millimeter waves.

Description

technical field [0001] The invention belongs to the technical field of welding of microwave component components, electrical equipment, and micro-assembly connectors, and in particular relates to a radio frequency coaxial connector. Background technique [0002] The field of microwave technology is currently developing in the direction of higher and higher frequency bands, especially the technological breakthroughs in key components in the millimeter wave frequency band in recent years, resulting in more and more large-scale projects in the millimeter wave frequency band. How to realize high-performance millimeter wave transmission has always been a high-end topic in the field of microwave technology. In previous applications, only waveguides can be used to realize efficient connections between millimeter-wave systems, but this severely restricts the development of equipment in the direction of high reliability and miniaturization. The successful development of millimeter-w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R24/40H01R13/502H01R13/40H01P5/08
CPCH01R24/40H01P5/08H01R13/40H01R13/502
Inventor 贺胜男宋夏邱颖霞
Owner CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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