A twist-resistant optical-electrical hybrid cable
A photoelectric hybrid cable, anti-twist technology, applied in the direction of submarine cables, communication cables, insulated cables, etc., can solve the problems of short service life, difficult erection, high cost, etc., and achieve the effect of reducing cost and difficulty of laying
Active Publication Date: 2021-06-11
SHENZHEN XINAOKE CABLE
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Problems solved by technology
[0007] In order to solve the problems that the existing outdoor armored optical-electrical hybrid cable is used for cross-sea erection, or there are problems such as high cost, excessive erection difficulty, excessive performance, etc., or short service life, and certain defects in use, etc., The invention provides an anti-torsion photoelectric hybrid cable
Method used
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[0044] like figure 1 and figure 2 A twist-resistant optical-electrical hybrid cable is shown, which includes:
[0045] The cable core 1 and the outer sheath 2 coaxially coated on the outside of the cable core 1 to protect the cable core 1 .
[0046] Described outer sheath 2 is polyethylene outer sheath 2, and it is as figure 2 As shown, there are three layers of outer layer 201, middle layer 202 and inner layer 203. The inner layer 203 is tightly wrapped on the outer surface of the cable core 1, and the outer rib 204, middle layer 202 and inner layer 202 are arranged between the outer layer 201 and the middle layer 202. The inner ribs 205 are arranged between the inner layers 203, and the outer ribs 204 and the inner ribs 205 are evenly arranged along the circumferential direction. The arrangement of the outer ribs 204 and the inner ribs 205 makes the three-layer structure of the polyethylene outer sheath 2 separate from each other. 1. The three-layer outer sheath 2 that ...
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The invention relates to the field of optical cables, in particular to an anti-twist photoelectric hybrid cable. It includes: a cable core and an outer sheath arranged coaxially; the outer sheath covers the outside of the cable core to protect the cable core; the outer sheath has a three-layer structure, which is respectively outer layer, middle layer and inner layer; several outer ribs are evenly arranged circumferentially between the outer layer and the middle layer, and several inner ribs are evenly arranged circumferentially between the middle layer and the inner layer, the outer ribs separate the outer layer and the middle layer, and the inner ribs The middle layer is separated from the inner layer; the cable core is formed by the inner sheath covering the central sleeve, and the optical fiber line group and the conductive wire are arranged in the central sleeve along the axial direction of the photoelectric hybrid cable. The invention can meet the demand for cross-sea laying of the photoelectric hybrid cable; can reduce the difficulty of laying the photoelectric hybrid cable; and can greatly reduce the cost of the photoelectric hybrid cable.
Description
technical field [0001] The invention relates to the field of optical cables, in particular to an anti-twist photoelectric hybrid cable. Background technique [0002] Optical fiber cable is manufactured to meet optical, mechanical or environmental performance specifications. It is a communication communication that uses one or more optical fibers placed in a sheath as a transmission medium and can be used individually or in groups. cable assembly. The optical cable is mainly composed of optical fiber (glass filament as thin as hair), plastic protective sleeve and plastic sheath. A communication line to realize optical signal transmission. That is: a cable formed by an optical fiber (optical transmission carrier) through a certain process. The basic structure of an optical cable is generally composed of several parts such as a cable core, a reinforced steel wire, a filler, and a sheath. In addition, there are components such as a waterproof layer, a buffer layer, and an ins...
Claims
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IPC IPC(8): H01B11/22H01B7/14H01B7/17H01B7/18H01B7/24H01B7/282
CPCH01B7/14H01B7/17H01B7/18H01B7/1895H01B7/24H01B7/282H01B11/22
Inventor 吴海港
Owner SHENZHEN XINAOKE CABLE