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Anti-interference control cable

A cable and industrial control technology, applied in the direction of insulated cables, communication cables, cables, etc., can solve the problems of destroying the normal transmission of signals, affecting the signal-to-noise ratio, interference, etc., to avoid signal crosstalk, reduce interference, and eliminate external electromagnetic interference Effect

Inactive Publication Date: 2018-03-06
查东亮
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

External radio interference affects the signal-to-noise ratio, which can interfere with the normal transmission of signals

Method used

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  • Anti-interference control cable

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Embodiment Construction

[0014] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiment is only one of the embodiments of the present invention, given this embodiment, the embodiments made by those skilled in the art without creative work are all within the protection scope of the present invention .

[0015] A control cable for anti-interference, comprising an outer sheath 1, a reinforced shielding layer 2, an outer insulating layer 3 and a signal transmission conductor 4, the outer sheath 1 is extruded on the reinforced shielding layer 2, and the reinforced shielding layer 2 Extruded on the outer insulating layer 3, the signal transmission conductor 4 is set in the outer insulating layer 3, the reinforced shielding layer 2 is composed of a braided copper wire shielding layer and a thin aluminum foil shielding layer, and the thin...

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Abstract

The invention belongs to the field of control cables. A control cable for anti-interference, comprising an outer sheath, a reinforced shielding layer, an outer insulating layer and a signal transmission conductor, the outer sheath is extruded on the reinforced shielding layer, and the reinforced shielding layer is extruded on the outer insulating layer, The signal transmission conductor is arranged in the outer insulating layer; a hollow shielding partition is arranged in the middle of the outer insulating layer, and an aluminum foil shielding layer is attached to the upper and lower surfaces of the hollow shielding partition, and the inside of the hollow shielding partition is provided with A wave-absorbing layer, there is a gap between the wave-absorbing layer and the inner wall of the hollow shielding partition; the hollow shielding partition divides the outer insulating layer into upper and lower regions, and the upper and lower regions of the outer insulating layer Each is provided with a signal transmission conductor; the surface of the signal transmission conductor is extruded with an inner insulating layer, and the surface of the inner insulating layer is extruded with an inner shielding layer. Beneficial effect: the control cable can not only shield external electromagnetic interference but also eliminate its own crosstalk problem.

Description

technical field [0001] The invention belongs to the field of control cables, in particular to an anti-interference control cable. Background technique [0002] At present, with the development of science and technology, people have more and more demands on cables. Cables are a common data signal transmission equipment, which has the advantage of large communication capacity. One cable is set with multiple cables to transmit multiple signals at the same time. , but there are occasional signal interference issues. [0003] In the field of communication, a signal is a physical quantity that represents a message. For example, an electrical signal can represent different messages through changes in amplitude, frequency, and phase. Interference is the impairment of the reception of useful signals. Interference generally consists of the following two types, crosstalk: the coupling phenomenon between two signal lines in electronics. External radio interference affects the signal-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B11/00H01B7/17
CPCH01B11/002H01B7/17
Inventor 查东亮
Owner 查东亮
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