Nondestructive testing probe for coaxial printed circuit board connector

By designing a non-destructive testing probe, the complexity and unreliability of PCB coaxial connector testing are solved, enabling non-destructive and accurate electrical performance testing, which is suitable for non-destructive testing of coaxial printed circuit board connectors.

CN121899455AActive Publication Date: 2026-04-21GUANGDONG SULIANKE TECH CO LTD
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Patent Information

Application Number
CN202610328905.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-18
Publication Date
2026-04-21
Estimated Expiration
2046-03-18

AI Technical Summary

Technical Problem

In the existing technology, the performance testing methods for PCB coaxial connectors are complex and unreliable, cannot accurately reproduce the electrical performance under actual use scenarios, and have the problem of destructive testing.

Method used

Design a non-destructive testing probe, including an outer conductor assembly, a grounding contact assembly, and a center conductor assembly. Through a unique structural design, achieve non-destructive electrical conduction between the grounding solder joint and the center pin solder joint, simulate the air interface and impedance changes in real application scenarios, and perform electrical performance testing using a vector network analyzer.

Benefits of technology

It enables accurate, reliable, and non-destructive performance testing of PCB coaxial connectors, is reusable, and produces test results consistent with real-world application scenarios, thus improving the accuracy and stability of the testing.

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Abstract

The invention relates to the technical field of printed circuit board connector testing, in particular to a nondestructive testing probe for a coaxial printed circuit board connector. The nondestructive testing probe comprises an outer conductor assembly, a grounding contact assembly, a central conductor assembly and an insulating medium assembly. Wherein the outer conductor assembly comprises a first main body piece and a second main body piece, one end of the second main body piece is embedded into the first main body piece, the other end of the second main body piece is provided with a first accommodating groove and a second accommodating groove, the grounding contact assembly is located in the first accommodating groove, and the central conductor assembly and the insulating medium assembly are located in the outer conductor assembly. During testing, the grounding welding pin and the central pin welding pin of the coaxial PCB connector to be tested are plugged with the grounding contact assembly and the central conductor assembly through the first accommodating groove and the second accommodating groove, so that non-destructive electric conduction of the grounding contact assembly and the central conductor assembly is realized, performance testing can be accurately and reliably carried out on the PCB coaxial connector, and an actual use scene is reproduced.
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