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Ultra-high temperature resistant low-noise cable

A low-noise, ultra-high temperature technology, applied in the direction of insulated cables, bendable cables, cables, etc., can solve the problems of lack of ultra-high temperature resistance grades, etc., and achieve the effect of easy use and laying, stable structure, and instrument connection ends

Active Publication Date: 2012-12-19
江苏永鼎电气有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the more common low-noise cables include polyethylene insulated low-noise cables, F46 insulated low-noise cables, radiation-resistant low-noise cables, low-capacitance low-noise cables, watertight low-noise cables, etc., but there is a lack of ultra-high temperature-resistant low-noise cables

Method used

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  • Ultra-high temperature resistant low-noise cable

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] Such as figure 1 As shown, a kind of ultra-high temperature resistant and low-noise cable includes a plurality of pure nickel stranded conductors 1 wrapped in the same pure nickel wire braided overall shielding layer 10, and the pure nickel wire braided overall shielding layer 10 is also wrapped by A composite outer sheath composed of a silicon oxide fiber wire braided outer sheath 11 and a first high-temperature coating 12; each strand of pure nickel stranded conductor 1 is wrapped with a first semiconductive ceramic siliconized rubber layer 2 and a first A semiconductive composite inner shielding layer composed of a semiconductive silica fiber braided layer 3; the semiconductive composite inner shield is wrapped with a mica-wrapped insulating layer 4, a silica fiber braided insulating layer 5 and a second high-temperature coating 6 Composite insulating layer;...

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Abstract

The invention discloses an ultra-high temperature resistant low-noise cable, comprising a plurality of strands of pure nickel stranded conductors which are wrapped in the same pure nickel wire woven main shielding layer, wherein a composite outer protecting layer is wrapped outside the pure nickel wire woven main shielding layer; a semiconducting composite inner shielding layer, a composite insulating layer, a semiconducting composite outer shielding layer and a pure nickel wire woven sub-shielding layer are sequentially wrapped outside each strand of pure nickel stranded conductor. The ultra-high temperature resistant low-noise cable solves the problem that the low-noise cable has no ultra-high temperature resistance property in the prior art, solves the contradiction between low noise and high-temperature resistance requirement of the cable by the material selection, cable structure and proper process design, and provides a low-noise cable which can be used at 1000 DEG C for a long term.

Description

technical field [0001] The invention relates to a low-noise cable, in particular to a low-noise cable that can work in an ultra-high temperature environment of 1000°C for a long time. Background technique [0002] Under the action of external factors such as bending, vibration, impact, temperature change, etc., the cable itself will generate a certain amount of electrostatic signal (or called cable structure noise), and cables with cable structure noise less than 5mV are usually called low-noise cables. Low-noise cables are required for the measurement of tiny signals in many fields such as industrial measurement and control, medicine, and national defense. At present, the more common low-noise cables include polyethylene insulated low-noise cables, F46 insulated low-noise cables, radiation-resistant low-noise cables, low-capacitance low-noise cables, watertight low-noise cables, etc., but there is a lack of ultra-high temperature-resistant low-noise cables . Contents of ...

Claims

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Application Information

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IPC IPC(8): H01B7/17H01B7/29H01B7/00H01B7/04
Inventor 钱科朱华山王开宇
Owner 江苏永鼎电气有限公司
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