Wire cable for sensor
A wire, cable and sensor technology, applied in the field of wire and cable for sensors, can solve problems such as poor anti-electromagnetic pulse performance, electromagnetic interference, and poor strength, and achieve the effects of improving anti-electromagnetic pulse performance, good flexibility, and easy use
Inactive Publication Date: 2020-05-12
贵州人民电线电缆有限公司
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Problems solved by technology
However, there is also an obvious disadvantage, namely: heavy weight, poor strength, and poor performance against electromagnetic pulses, which will cause electromagnetic interference in practical applications
Method used
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[0011] The present invention will be further described below in conjunction with the embodiments with reference to the accompanying drawings.
[0012] Such as figure 1 As shown, a wire and cable for a sensor includes a cable core and a cable outer layer. There are several cable cores in the cable outer layer. Composed of polymer refractory insulator layer, the outer layer of the cable is composed of soft fiber isolation layer, water release fireproof layer, hemp yarn braided reinforcement layer and PUR hybrid sheath from inside to outside. Wherein, two high-strength steel wires parallel to each other and arranged along the longitudinal direction of the cable are arranged at the central position of the wall thickness of the PUR hybrid sheath. The cable core is twisted by 1028 thin and soft copper wires, the diameter of the single wire is 0.30mm, and the pitch ratio is 18-25 times. The PUR hybrid sheath layer is externally coated with an asphalt layer.
[0013] The present in...
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Abstract
The invention discloses a wire cable for a sensor. The wire cable comprises cable cores and a cable outer layer, wherein a plurality of the cable cores are arranged in the cable outer layer, each cable core is composed of plural strands of twisted superfine bare copper wires and a low-carbon polymer fireproof insulator layer on the outer layer, and the cable outer layer is composed of a soft fiberisolation layer, a waterproof fireproof layer, a hemp yarn woven reinforcing layer and a PUR mixed sheath from inside to outside. According to the invention, the low-carbon polymer fireproof insulator layer is selected, and a three-layer composite shielding structure of the aluminum-magnesium alloy wire, the aluminum-plastic composite film and the iron-nickel alloy belt is adopted, so that the wire cable is light in weight, good in flame retardance and small in electromagnetic interference in practical application; and the high-strength steel wire is arranged in the middle of the sheath wall,so that the wire cable is light in weight, high in strength and small in electromagnetic interference in practical application.
Description
technical field [0001] The invention belongs to the technical field of electric cables, and in particular relates to electric wires and cables for sensors. Background technique [0002] At present, the sensor lead cables on the market have unsatisfactory shielding effect in use, the bending radius of laying cannot meet the requirements, and the wear resistance is not good enough. To develop a good shielding and bending effect and a certain wear resistance The sensor lead cable is what motivated the design of the present invention. Traditional wires and cables include a cable core and a cable outer layer. There are several cable cores. Each cable core is composed of multiple strands of ultra-fine twisted bare copper wires and an outer layer of insulation. There are wraps around several cable cores. layer, there is a shielding layer outside the wrapping layer, and an outer sheath outside the shielding layer. The advantage of the technical solution is that it has good shieldi...
Claims
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IPC IPC(8): H01B7/02H01B7/04H01B7/17H01B7/18H01B7/22H01B7/29
CPCH01B7/02H01B7/04H01B7/17H01B7/183H01B7/1865H01B7/1875H01B7/225H01B7/29
Inventor 候晓生
Owner 贵州人民电线电缆有限公司