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Bunched cable suitable for outdoor video monitoring application

A technology of bundled cables and external video, which is applied in the direction of insulated cables, communication cables, cables, etc., can solve the problems of low adaptability to automobile rolling and can not withstand pressure, so as to facilitate wiring, improve rolling resistance, and improve The effect of tensile strength

Inactive Publication Date: 2017-01-04
HANGZHOU XINGFA TRANSMISSION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to material and structural limitations, the product is not very adaptable to windy weather and car rolling, and cannot withstand the pressure generated by large pulling forces and public road construction vehicles.

Method used

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  • Bunched cable suitable for outdoor video monitoring application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] see figure 1 , a bundled cable suitable for outdoor video surveillance applications, including three finished cable cores 1, four Y-shaped steel wire ropes 2, the first insulating layer 4, braided shielding layer 5, alloy sheath 6, sheath layer 7, the distance between two of the three cable cores 1 is equal, three of the four steel wire ropes 2 are respectively distributed between two of the three cable cores 1, and the other of the four steel wire ropes 2 Distributed in the middle of the three cable cores 1, each cable core 1 includes a copper core conductor 11, a second insulating layer 12, an aluminum foil Mylar layer 13, a tinned copper wire braid 14 and a cladding layer 15, the copper core The conductor 11 is covered successively by the second insulation layer 12, the aluminum foil Mylar layer 13, the tinned copper wire braid layer 14, and the cladding layer 15, and the three cable cores 1 and the four steel wire ropes 2 are covered by the first insulation layer 4 ...

Embodiment 2

[0030] Except modified polyethylene, coating layer, sheath layer, all the other are the same as embodiment 1.

[0031] The modified polyethylene is composed of the following raw materials in parts by weight: low-density polyethylene resin 80, gadolinium nitrate 12, silver sulfide 10, aluminum oxide 7, titanium sulfate 6, mica powder 8, methyltriacetoxysilane 6, plasticizer Agent 5.

[0032] The cladding layer is composed of the following raw materials in parts by weight: polyvinyl chloride resin 90, cerium sulfate 16, lanthanum hydroxide 18, plasticizer 6, chlorinated paraffin 15, calcium carbonate 25, tricumyl phosphate 12, stannic acid Zinc 5.

[0033] The sheath layer is composed of the following raw materials in parts by weight: polyvinyl chloride resin 100, zirconium n-propoxide 20, potassium fluorosilicate 15, sodium thiosulfate 20, mica 6, zinc oxide 5, plasticizer 5, polyphosphoric acid Ammonium 8, zeolite powder 6.

[0034] The universal material testing machine of...

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Abstract

The invention discloses a bunched cable suitable for outdoor video monitoring application, and the cable comprises three cable cores in a triangular shape, and four steel ropes in a Y shape. The distances between each two circle centers of three cable cores are equal. Three of the four steel ropes are respectively distributed between each two circle centers of three cable cores, and the other steel rope is distributed in the center of the three cable cores. A copper core conductor is sequentially wrapped by a second insulating layer, an aluminum foil mylar layer, a tinned copper wire braided layer, and a wrapping layer. Three cable cores and the four steel ropes are sequentially wrapped by a first insulating layer, a braided mesh shielding layer, an alloy sleeve layer, and a sheath layer. The diameter of each steel rope is one fourth of the diameter of each cable core. The bunched cable is suitable for the wiring of outdoor traffic and security monitoring systems, such as a skynet. The bunched cable is high in strength, is resistant to grinding, and can adapt to big wind, accidental pull, and grinding by a vehicle on the ground.

Description

technical field [0001] The invention relates to a bundled cable, in particular to a bundled cable for video monitoring. Background technique [0002] Video surveillance is an important part of modern production equipment, safety monitoring, logistics network construction and other fields. However, outdoors, the temperature difference between high and low temperatures varies greatly, snow and ice are often accumulated in winter, the flame retardant requirements are high in summer, strong winds and typhoons are strong, and vehicles on the ground are frequently rolled over. These conditions put forward strict requirements for video cables. [0003] Existing video signal lines, especially video surveillance connection signal lines, are mainly composed of conductors and insulating layers coated from the inside to the outside of the conductors, the first wire braided mesh shielding layer, and the second metal wire braided mesh shielding layer. and outer sheath. The insulating la...

Claims

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Application Information

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IPC IPC(8): H01B11/00H01B7/22H01B7/18H01B7/02C08L27/06C08L91/06C08K13/02C08K3/34C08K3/22C08L23/06
CPCC08K13/02C08L27/06C08L2203/202C08L2207/066H01B7/0216H01B7/1875H01B7/223H01B11/00C08L91/06C08L23/06
Inventor 孙梁
Owner HANGZHOU XINGFA TRANSMISSION EQUIP
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