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Cable for ship marine closed circuit television camera and manufacturing method thereof

A closed-circuit television and camera technology, which is applied in cable/conductor manufacturing, insulated cables, and coaxial cable manufacturing, etc. It can solve the problems of inconvenient on-site use, many supporting lines of closed-circuit television cameras, and easy to be messy, so as to reduce interference and signal noise, effect of good grounding

Inactive Publication Date: 2013-01-23
JIANGSU YUANYANG DONGZE CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Closed-circuit television cameras are commonly used in monitoring on ships. When the communication cable is used for closed-circuit television cameras, additional twisted-pair wires and power cables are required, so that there are many supporting lines for closed-circuit television cameras, which is not convenient for on-site use and is easy to be messy.

Method used

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  • Cable for ship marine closed circuit television camera and manufacturing method thereof
  • Cable for ship marine closed circuit television camera and manufacturing method thereof
  • Cable for ship marine closed circuit television camera and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Manufacture coaxial cable 1, twisted core wire 2 and power cable 3 respectively;

[0018] Take seven bare copper wire bundles with a diameter of 0.2mm and twist them into the central conductor 1a of the coaxial cable, and the stranding pitch ratio is 12; mm, the outer diameter of the coaxial cable insulating layer 1b after extrusion is 2.4mm; then, the outer diameter of the coaxial cable insulating layer 1b is braided with bare copper wires with a diameter of 0.12mm, the braiding density is 90%, and the mesh number is 94 mesh; The coaxial cable sheath 1d is extruded outside the coaxial cable shielding layer 1c, using halogen-free elastomer or thermosetting material, the thickness of the coaxial cable sheath 1d is 0.4mm, and the overall outer diameter of the formed coaxial cable is 3.8mm ;

[0019]Take seven tinned copper wire bundles with a diameter of 0.2mm and twist them into a twisted pair conductor 2a respectively, and the twisted pitch ratios are 8 and 10 resp...

Embodiment 2

[0026] (1) Manufacture coaxial cable 1, twisted core wire 2 and power cable 3 respectively;

[0027] Take seven bare copper wire bundles with a diameter of 0.2mm and twist them into the central conductor 1a of the coaxial cable, with a stranding pitch ratio of 15; mm, the outer diameter of the coaxial cable insulation layer 1b after extrusion is 2.5mm; then, the outer diameter of the coaxial cable insulation layer 1b is woven with bare copper wires with a diameter of 0.13mm, the braiding density is 90%, and the mesh number is 98 mesh; The coaxial cable sheath 1d is extruded outside the coaxial cable shielding layer 1c, using halogen-free elastomer or thermosetting material, the thickness of the coaxial cable sheath 1d is 0.45mm, and the overall outer diameter of the formed coaxial cable 1 is 4.0 mm;

[0028] Take seven tinned copper wire bundles with a diameter of 0.2 mm and twist them into a twisted pair conductor 2a respectively, and the twisted pitch ratios are 9 and 12 re...

Embodiment 3

[0035] (1) Manufacture coaxial cable 1, twisted core wire 2 and power cable 3 respectively;

[0036] Take seven bare copper wire bundles with a diameter of 0.2mm and twist them into the central conductor 1a of the coaxial cable, and the stranding pitch ratio is 13; mm, the outer diameter of the coaxial cable insulating layer 1b after extrusion is 2.45mm; then, the outer diameter of the coaxial cable insulating layer 1b is braided with bare copper wires with a diameter of 0.12mm, the braiding density is 90%, and the mesh number is 96 mesh; The coaxial cable sheath 1d is extruded outside the coaxial cable shielding layer 1c, using halogen-free elastomer or thermosetting material, the thickness of the coaxial cable sheath 1d is 0.42mm, and the overall outer diameter of the formed coaxial cable 1 is 3.9 mm;

[0037] Take seven tinned copper wire bundles with a diameter of 0.2mm and twist them into a twisted pair conductor 2a respectively, and the twisted pitch ratios are 8 and 11...

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Abstract

The invention discloses a cable for a ship marine closed circuit television camera and a manufacturing method thereof, belonging to the field of cables. A cable core comprises a coaxial cable, a twisted pair core wire and a power cable and is peripherally wrapped with a polyester tape lapped layer; the polyester tape lapped layer is peripherally wrapped with a tinned copper wire shielding layer which is peripherally wrapped with an outer sheath; a center conductor of the coaxial cable is outwardly wrapped with a coaxial cable insulating layer, a coaxial cable shielding layer and a coaxial cable sheath in order; the center of the twisted pair core wire comprises a group of twisted pair wire pair and a non-insulating copper conductor leakage wire; the twisted pair wire pair is formed by mutually twisting two single-stranded insulating core wires; each single-stranded insulating core wire comprises a twisted pair wire conductor in the center and a twisted pair wire insulating layer wrapping outside the twisted pair wire conductor, and the twisted pair wire pair and the leakage wire are externally wrapped with aluminum foil polyester composite tapes; the leakage wire is in electric contact with the aluminum layers of the aluminum foil polyester composite tapes; and the power cable comprises a power cable core wire conductor and a power cable insulting layer wrapping outside the power cable core wire conductor.

Description

technical field [0001] The invention relates to a multifunctional cable, in particular to a cable for a closed-circuit television camera of ships and marine engineering. The invention also relates to a method for manufacturing a cable for a marine closed-circuit television camera, which belongs to the technical field of cables. Background technique [0002] On May 27, 2009, the Chinese utility model patent application with the publication number CN 201247605 disclosed a combined communication cable, including a coaxial cable. The coaxial cable includes an inner conductor and an outer sheath. The digital communication cable, the digital communication cable and the coaxial cable are arranged in an "8" shape, and the digital communication cable includes an outer sheath, which is integrated with the outer sheath of the coaxial cable. Closed-circuit television cameras are commonly used for monitoring on ships. When the communication cable is used for closed-circuit television ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/00H01B7/02H01B13/00H01B13/016H01B13/02H01B13/06
Inventor 陆云春李永江孙勇
Owner JIANGSU YUANYANG DONGZE CABLE
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