Electromagnetic shielding type transmission cable with high-frequency and low-frequency signal conductors arranged separately

CN119381074APending Publication Date: 2025-01-28ZHONG SHAN LI JIE EXACTITUDE EQUIPMENT CO LTD
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Patent Information

Application Number
CN202310938536.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-07-27
Publication Date
2025-01-28

AI Technical Summary

Technical Problem

The existing cable production process is complicated and the electromagnetic shielding effect is poor, making it difficult to effectively prevent electromagnetic wave radiation caused by high-frequency signals from affecting other signals.

Method used

Set the electromagnetic shield transmission cable with high and low -frequency signal wire separation, and set electromagnetic shielding by setting up high -speed differential signal transmission wires to different capacitance spaces with conventional signal wires, respectively, and forming an electromagnetic shield through a second metal shielding enclosure to ensure that each wire Electromagnetic shielding is formed in the direction of the circle and radial.

Benefits of technology

The excellent electromagnetic shielding effect was achieved, the signal was avoided to produce skewers or distortion, and the production process was simplified.

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Abstract

The invention discloses an electromagnetic shielding type transmission cable with high and low frequency signal wires arranged separately. The electromagnetic shielding type transmission cable comprises a plurality of wires, a first metal shielding enclosure and a second metal shielding enclosure. The plurality of leads comprise a plurality of high-speed differential signal transmission lead pairs, a plurality of grounding leads, a plurality of power leads and a plurality of conventional signal leads, and the plurality of leads are arranged into a cluster structure. An outer containing space is formed between the first metal shielding enclosure and the second metal shielding enclosure, and an inner containing space is formed in the second metal shielding enclosure. The two high-speed differential signal transmission wire pairs and the grounding wire are arranged in the outer containing space and are arranged in a staggered mode in the circumferential direction, and the conventional signal wire and the power wire are arranged in the inner containing space and are arranged in a staggered mode in the circumferential direction.
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