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Intense radiation resistant low-noise cable

A low-noise, cable technology, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of lack of low-noise cables, etc., and achieve excellent resistance to strong radiation, good insulation and mechanical properties, and excellent chemical corrosion resistance. Effect

Inactive Publication Date: 2013-02-13
江苏永鼎电气有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the more common low-noise cables include polyethylene insulated low-noise cables, F46 insulated low-noise cables, low-capacitance low-noise cables, etc., but there is a lack of low-noise cables with strong radiation resistance that can work in radiation environments.

Method used

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  • Intense radiation resistant low-noise cable

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Such as figure 1 As shown, a strong radiation-resistant low-noise cable includes at least one pair of independent phase-separated shielded insulated core wires. The phase-separated shielded insulated core wires include a copper conductor 1 and semiconductive polyetheretherketone wrapped outside the copper conductor 1 in turn. Inner shielding layer 2, polyether ether ketone insulating layer 3, semiconductive polyether ether ketone outer shielding layer 4, phase-separated shielding layer 5; the phase-separated shielded insulating core wires are all wrapped in a general shielding layer 6, and the total shielding layer 6 It is also wrapped with a polyether ether ketone outer sheath 7 . By using the inner shielding layer 2, the insulating layer 3, the outer shielding layer 4 and the outer sheathing layer 7 made of polyetheretherketone, the excellent radiation resist...

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Abstract

The invention discloses an intense radiation resistant low-noise cable which comprises at least one pair of independent split-phase shielding insulation cable wires. Each split-phase shielding insulation cable wire comprises a copper conductor, a semiconductive polyether-ether-ketone inner shielding layer, a polyether-ether-ketone insulation layer, a semiconductive polyether-ether-ketone outer shielding layer and a split-phase shielding layer, wherein the semiconductive polyether-ether-ketone inner shielding layer, the polyether-ether-ketone insulation layer, the semiconductive polyether-ether-ketone outer shielding layer and the split-phase shielding layer are wrapped on the outer side of the copper conductor in sequence. The split-phase shielding insulation cable wires are wrapped in a total shielding layer, and a polyether-ether-ketone outer protective layer is wrapped on the outer side of the total shielding layer. The intense radiation resistant low-noise cable solves the problem that a low-noise cable in the prior art does not have the characteristic of intense radiation resistance, solves the key technology of the intense radiation resistance of the low-noise cable through material selection, cable structure and appropriate process design, and is suitable for signal measurement at intense radiation environment.

Description

technical field [0001] The invention relates to a low-noise cable, in particular to a low-noise cable suitable for strong radiation environments. 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, low-capacitance low-noise cables, etc., but there is a lack of low-noise cables with strong radiation resistance that can work in radiation environments. [0003] Despite the severe Fukushima nuclear crisis in Japan in 2011, with conc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/00H01B7/02H01B7/17H01B1/02H01B3/42
Inventor 钱科朱华山王开宇严学金韦祖国
Owner 江苏永鼎电气有限公司
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