CN203799749U - Photoelectric composite cable - Google Patents

Abstract

The utility model provides a photoelectric composite cable which comprises a cable core. The cable core orderly coats a tinned copper wire braided layer, an oxygen isolation belt and a flame resistant anti-UV PVC sheath from the inside to the outside. The cable core comprises an optical cable unit, a cable unit, a ground wire and a filling material. The filling material is arranged between the optical cable unit and the cable unit. The optical cable unit comprises an optical fiber. The optical fiber orderly coats a water resisting layer, a loose sleeving, a fiber reinforcement part and a flame retardant polyethylene sheath from the inside to the outside. The cable unit comprises N tinned copper conductors, wherein N is no less than 2, and N-1 tinned copper conductors is coated by a PVC insulation sleeve. The ground wire is a bare tinned copper conductor. The filling material is an environment-friendly flame retardant filling rope. The photoelectric composite cable provided by the utility model has the advantages of simple structure, convenient installation and use, simple structure, convenient manufacture, strong ultraviolet resistance, low temperature resistance, environmental protection, flame retardance and good shielding effect, can simultaneously transmit an optical signal and an electrical signal, and can be applied to a base station, a computer room, wiring in a residential area and other occasions.

Description

A photoelectric composite cable

technical field

The utility model relates to a cable, in particular to a photoelectric composite cable.                     

Background technique

In the communication transmission network, optical cables and cables are generally laid separately, the optical cables are used to transmit optical signals, and the cables are used for power supply of equipment. The maintenance cost is high. In many occasions, such as in the communication integrated wiring system, the equipment needs to transmit optical signals and electric energy transmission at the same time. It is difficult for the staff to coordinate, the reliability of the power supply is poor, and the maintenance cost is high.

Utility model content

The purpose of this utility model is to provide a photoelectric composite cable with simple structure, easy installation and use, and simultaneous transmission of optical signals and electrical signals, which can be used in base stations, computer rooms, and wiring in residential areas. Simple, easy to manufacture, strong UV resistance, good low temperature resistance, good environmental protection and flame retardant, good shielding effect, and ensure smooth circuit.

In order to achieve the above object, the utility model adopts the following technical solutions:

A photoelectric composite cable, comprising: a cable core, which is sequentially covered with a tinned copper wire braid, an oxygen barrier belt, and a flame-retardant and UV-resistant PVC sheath from the inside to the outside; the cable core includes an optical cable unit, A cable unit and a filling material, the filling material is arranged between the optical cable unit and the cable unit;

The optical cable unit includes an optical fiber, and the optical fiber is sequentially coated with a water-blocking layer, a loose tube, a fiber reinforcement and a flame-retardant polyethylene sheath from inside to outside;

The cable unit includes N tinned copper conductors, N≥2, wherein N-1 tinned copper conductors are covered with a PVC insulating sleeve;

The filling material is an environment-friendly flame-retardant filling rope.

Further, the optical fiber is an optical fiber with 4-12 cores.

Further, the tinned copper conductor is formed by bundled or twisted multiple strands of tinned copper wires.

Further, a layer of aluminum-plastic composite tape is provided between the cable core and the tinned copper wire braid, and a drain line is provided between the aluminum-plastic composite tape and the tinned copper wire braid. The drain wire is a copper alloy or copper stranded conductor.

In the utility model, the optical unit, the electric insulation wire core and a ground wire are twisted into a cable core at a certain pitch, wherein the conductor is made of tinned copper strands bundled or re-twisted. Such a structure, Soft for easy laying. The filling material is made of environmentally friendly flame-retardant filling rope, and the wrapping tape is made of aluminum-plastic composite tape with shielding effect, drain wire or other materials with shielding effect, and then wrapping or braiding a layer of metal shielding, double-layer shielding can be more effective To prevent interference with other surrounding equipment and ensure its normal operation, all materials of the utility model are made of environmentally friendly materials, which meet the requirements of the ROHS directive, and the temperature resistance range is -40~90°C.

Description of drawings

Fig. 1 is a structural diagram of the utility model;

Fig. 2 is a structural diagram of the optical cable unit.

Detailed ways

Now in conjunction with accompanying drawing, describe the utility model in detail.

Referring to accompanying drawing 1, a kind of photoelectric composite cable, comprises: cable core, and cable core is coated with tinned copper wire braiding layer 1, oxygen barrier belt 2 and PVC sheath 3 of flame retardant anti-UV successively from inside to outside; It includes an optical cable unit 4, a cable unit and a filling material 5. A filling material 5 is provided between the optical cable unit 4 and the cable unit. The filling material 5 is an environment-friendly flame-retardant filling rope.

As shown in Figure 2, the optical cable unit 4 includes an optical fiber 41 with 4 to 12 cores, and the optical fiber 41 is sequentially coated with a water-blocking layer 42, a loose tube 43, a fiber reinforcement 44, and a flame-retardant polyethylene sheath 45 from the inside to the outside. ;

The cable unit includes N tinned copper conductors 61, N ≥ 2, wherein N-1 tinned copper conductors 61 are covered with a PVC insulating sleeve 62; wherein the tinned copper conductor 61 not coated with PVC insulating sleeve 62 is The ground wire, and the tinned copper conductor 61 is formed by bundled or re-twisted strands of tinned copper wires. Such a structure is soft and convenient for laying.

In addition, in the structure of the present utility model, a layer of aluminum-plastic composite tape 7 is provided between the cable core and the tinned copper wire braid layer 1, and a drain wire 8 is provided between the aluminum-plastic composite tape 7 and the tinned copper wire braid layer 1. , the drain wire 8 is a copper alloy or copper stranded conductor, thus, the aluminum-plastic composite tape 7 with a shielding effect and the drain wire cooperate with the tinned copper wire braid 1, and double-layer shielding can more effectively prevent interference with other surrounding equipment to ensure its normal operation.

All the materials of the utility model are environment-friendly materials, which meet the requirements of the ROHS directive. The temperature resistance range is -40~90°C, and can be used in base stations, computer rooms, and wiring in residential areas. Simple, easy to manufacture, strong UV resistance, good low temperature resistance, good environmental protection and flame retardant, good shielding effect, and ensure smooth circuit.

The embodiments of the utility model described above do not constitute a limitation to the protection scope of the utility model. Any modifications, equivalent replacements and improvements made within the spirit and principle of the utility model shall be included in the protection scope of the claims of the utility model.

Claims (4)

1. an optoelectronic composite cable, comprising: cable core, and described cable core comprises optical cable unit, cable unit and packing material, is provided with described packing material between described optical cable unit and cable unit; It is characterized in that,

Described optical cable unit comprises optical fiber, and described optical fiber is coated with water blocking layer, loose sleeve pipe, fiber reinforcement and flame-proof polyethylene sheath from the inside to the outside successively;

Described cable unit comprises N bar tinned copper conductor, N >=2, and wherein N-1 bar tinned copper conductor is coated with a PVC insulating case;

Described packing material is the fire-retardant gasket for packing of environment-friendly type;

Described cable core is coated the PVC sheath of tincopper fuse wire braided armor, oxygen barrier band and fire-retardant anti-UV from the inside to the outside successively.

2. a kind of optoelectronic composite cable according to claim 1, is characterized in that, described optical fiber is the optical fiber of 4 ~ 12 cores.

3. a kind of optoelectronic composite cable according to claim 1, is characterized in that, described tinned copper conductor is that multiply tin-coated copper tow closes or multiple strand forms.

4. a kind of optoelectronic composite cable according to claim 1, it is characterized in that, between described cable core and described tincopper fuse wire braided armor, be provided with one deck aluminium-plastic tape, between described aluminium-plastic tape and described tincopper fuse wire braided armor, be provided with a drainage thread, described drainage thread is copper alloy or the stranded conductor of copper.