CN212724809U

CN212724809U - Photoelectric composite cable

Info

Publication number: CN212724809U
Application number: CN202021785657.0U
Authority: CN
Inventors: 匡俊; 周勇; 朱凯
Original assignee: Yangzhou Xunda Cable Co ltd
Current assignee: Jiangsu Xunda Cable Co.,Ltd.
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-16
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a photoelectric composite cable belongs to power transmission and optical fiber communication technical field, including the main cable core, the main cable core comprises a fiber cable core and a plurality of power cable core that evenly arrange around fiber cable core circumference, the fiber cable core comprises optic fibre and crowded first polytetrafluoroethylene insulation cover that wraps outside optic fibre, the power cable core comprises copper wire and crowded second polytetrafluoroethylene insulation cover that wraps outside the copper wire, crowded package has the polyurethane sheath outside the main cable core, it has the factice that blocks water to fill between polyurethane sheath and the main cable core. The utility model has the advantages of high strength, good water blocking performance and convenient carrying and laying.

Description

Photoelectric composite cable

Technical Field

The utility model belongs to the technical field of power transmission and optical fiber communication, a photoelectric composite cable is related to.

Background

The photoelectric composite cable is a cable formed by twisting an optical cable and a cable together, can simultaneously solve the problems of power utilization and signal transmission of equipment, retains the characteristics of a common optical fiber cable and can meet the relevant standards of low-voltage transmission cables. The photoelectric composite cable is sometimes required to be laid in the field of a water network densely-distributed area and a rainy region, and in the dark and humid field environment, the quality requirement of the photoelectric composite cable is high, and particularly the strength and the water resistance of the cable per se have higher requirements; meanwhile, in the process of carrying and laying the cable, the surface of the cable is wet and smooth in a humid environment, so that the carrying and laying are difficult, and the surface roughness of the cable also needs to be improved.

Disclosure of Invention

An object of the utility model is to overcome the not enough of above-mentioned technique, provide a photoelectric composite cable that intensity is high, water blocking performance is good and be convenient for the transport is laid.

In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:

the utility model provides a photoelectric composite cable, includes the main cable core, the main cable core comprises a fiber cable core and a plurality of power cable core around fiber cable core circumference evenly arranged, the fiber cable core comprises optic fibre and crowded first polytetrafluoroethylene insulation cover outside the optic fibre, the power cable core comprises copper wire and crowded second polytetrafluoroethylene insulation cover outside the copper wire, the crowded package of main cable core has the polyurethane sheath, it has the oleamen that blocks water to fill between polyurethane sheath and the main cable core.

The utility model discloses a further improvement lies in, the polyurethane sheath includes that enhancement layer and polyurethane oversheath are woven to polyurethane inner sheath, aramid fiber silk that from interior to exterior set gradually, improves protective capacities.

The utility model discloses a further improvement lies in, the non-skid protrusions have been laid to polyurethane oversheath surface, play the antiskid effect.

The utility model discloses a further improvement lies in, the copper wire is the anaerobic copper wire, and the copper wire in every second polytetrafluoroethylene insulation cover all is equipped with seven strands, and seven strands of copper wires evenly strand together, reinforcing power transmission stability.

The utility model discloses a further improvement lies in, first polytetrafluoroethylene insulation cover is provided with a plurality of bulge loops along its length direction interval outward for prevent that optical fiber cable core and power cable core from leaning on to lean on tension and leading to receiving the influence each other.

The utility model has the advantages that: the utility model adopts a compact structure formed by combining an optical fiber cable core and a plurality of power cable cores, which can keep the stability of the internal structure of the photoelectric composite cable; meanwhile, the outer protection structure of the polyurethane inner sheath, the aramid fiber woven reinforcement layer and the polyurethane outer sheath is adopted, so that the overall strength of the photoelectric composite cable is improved; furthermore, the utility model discloses a fill the oleamen that blocks water, effectively prevent the emergence of infiltration phenomenon.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structure schematic diagram of the optical fiber cable core of the present invention.

In the figure: the cable comprises an optical fiber cable core 1, a power cable core 2, an optical fiber 11, a first polytetrafluoroethylene insulating sleeve 12, a copper wire 21, a second polytetrafluoroethylene insulating sleeve 22, a water-blocking ointment 3, a polyurethane inner sheath 4, an aramid fiber woven reinforcing layer 5, a polyurethane outer sheath 6, an antiskid lug 7 and a convex ring 8.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, a photoelectric composite cable comprises a main cable core, the main cable core is composed of an optical fiber 11 cable core 1 and a plurality of power cable cores 2 uniformly arranged around the circumference of the optical fiber 11 cable core 1, the optical fiber 11 cable core 1 is composed of an optical fiber 11 and a first polytetrafluoroethylene insulating sleeve 12 extruded outside the optical fiber 11, the power cable cores 2 are composed of a copper wire 21 and a second polytetrafluoroethylene insulating sleeve 22 extruded outside the copper wire 21, a polyurethane sheath is extruded outside the main cable core, and water-blocking ointment 3 is filled between the polyurethane sheath and the main cable core.

The polyurethane sheath comprises a polyurethane inner sheath 4, an aramid fiber yarn woven reinforcing layer 5 and a polyurethane outer sheath 6 which are sequentially arranged from inside to outside, and the protection capability is improved.

The outer surface of the polyurethane outer sheath 6 is provided with anti-skid projections 7 which play a role of anti-skid.

The copper wires 21 are oxygen-free copper wires, seven strands of copper wires 21 are arranged in each second polytetrafluoroethylene insulating sleeve 22, the seven strands of copper wires 21 are uniformly twisted together, and power transmission stability is improved.

A plurality of convex rings 8 are arranged at intervals along the length direction of the first polytetrafluoroethylene insulating sleeve 12 and used for preventing the optical fiber 11 cable core 1 and the power cable core 2 from being influenced by the tight abutting.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The photoelectric composite cable comprises a main cable core and is characterized in that the main cable core is composed of an optical fiber cable core and a plurality of power cable cores which are uniformly arranged around the circumference of the optical fiber cable core, the optical fiber cable core is composed of optical fibers and a first polytetrafluoroethylene insulating sleeve extruded outside the optical fibers, the power cable core is composed of copper wires and a second polytetrafluoroethylene insulating sleeve extruded outside the copper wires, a polyurethane sheath is extruded outside the main cable core, and water-blocking ointment is filled between the polyurethane sheath and the main cable core.

2. The optical-electrical composite cable according to claim 1, wherein the polyurethane sheath comprises a polyurethane inner sheath, an aramid yarn woven reinforcement layer and a polyurethane outer sheath arranged in sequence from inside to outside.

3. The optical-electrical composite cable according to claim 2, wherein the polyurethane outer sheath has anti-slip protrusions disposed on an outer surface thereof.

4. The photoelectric composite cable according to claim 1, wherein the copper wires are oxygen-free copper wires, seven copper wires are arranged in each second polytetrafluoroethylene insulating sleeve, and the seven copper wires are uniformly twisted together.

5. The optical-electrical composite cable according to claim 1, wherein the first teflon insulating sheath is provided with a plurality of protruding rings at intervals along the length direction thereof.