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A shield cable that enhances data line transmission bandwidth twisting techniques

A technology of shielded cables and transmission bandwidth, applied in the field of data cables used in wiring systems, can solve the problems of insufficient fit, unstable capacitance, and difficult cable transmission frequency, and achieves improvement of unstable shielding structure, increased transmission frequency, The effect of stable transmission performance

Pending Publication Date: 2019-01-15
ZHEJIANG ZHAOLONG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method will make the aluminum foil and the wire pair not fit well enough, which will cause the capacitance to be unstable, and eventually cause the signal peak to appear, making the cable unqualified
At present, the limit frequency achieved by this structure is CAT8, and the transmission frequency is 2GHz; it is extremely difficult to increase the transmission frequency of the cable

Method used

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  • A shield cable that enhances data line transmission bandwidth twisting techniques
  • A shield cable that enhances data line transmission bandwidth twisting techniques

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Embodiment Construction

[0009] The present invention will be described in detail below in conjunction with accompanying drawing: figure 1 , 2 As shown in the present invention, a shielded cable for improving the transmission bandwidth of data lines and twisting technology is to wrap each wire pair 1 of the cable in parallel with aluminum foil 2 through a shielding longitudinal wrapping process, and then twist the wire pairs After mode 3, the twisting pitch is formed, a total of 1-24 wire pairs, and then 2-24 wire pairs are twisted through a certain cable pitch to form a cable core with an aluminum foil shielding structure with a twisting pitch .

[0010] In the present invention, the cable core is braided and shielded to form a braided cable core, which is finally coated with a layer of extruded PVC or non-halogen material plastic to form a finished product. The insulating material is made of leather foam, and the sheath is made of PVC or non-halogen material plastic To form a final finished cable;...

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Abstract

The invention relates to a shielded cable for improving data transmission bandwidth twisting technology, wherein each wire pair of the cable is coated with aluminum foil by a shielding longitudinal wrapping process in a parallel manner, and then the twisted pitch is formed after the wire pair twisting mode, totally 1-24 wire pairs, plus 2-24 pairs of wires are stranded through a certain pitch to form a total cable core with twisted pitch aluminum foil shielding structure; When the cable core needs to be braided, the braided cable core is braided and shielded to form a braided cable core, and finally a layer of extruded PVC or non-halogen material plastics is coated to form a finished product, the insulating material adopts a skin foam skin mode, and the sheath adopts PVC or non-halogen material plastics to form a finished cable; The conductor specification adopted by the finished cable is wire gauge range 32AWG- 22AWG; The invention improves the crosstalk and shielding structure instability superposed by the electromagnetism, thereby achieving better crosstalk and stable transmission performance, and increasing the transmission frequency of the cable by 3GHz or even higher.

Description

technical field [0001] The invention relates to a shielded cable for improving data line transmission bandwidth and twisting technology, in particular to a data line suitable for high-frequency and ultra-high-frequency transmission above CAT7A, belonging to the field of data lines for wiring systems. Background technique [0002] Conventional data cables above CAT7 will be shielded by twisting first and then covering the shielding layer with aluminum foil. This method will make the aluminum foil and the wire pair not fit well enough, which will cause the capacitance to be unstable, and eventually cause the signal peak to appear, making the cable unqualified. At present, the limit frequency achieved by this structure is CAT8, and the transmission frequency is 2GHz; it is extremely difficult to increase the transmission frequency of the cable. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, and provid...

Claims

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Application Information

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IPC IPC(8): H01B11/04H01B11/10
CPCH01B11/04H01B11/1016H01B11/1033
Inventor 姚云翔王文强张坤倪冬华叶国强
Owner ZHEJIANG ZHAOLONG CABLE