CN205984392U

CN205984392U - Low -cost optoelectrical composite cable

Info

Publication number: CN205984392U
Application number: CN201620740439.2U
Authority: CN
Inventors: 陈然; 梅文杰; 李春梅
Original assignee: Hengtong Submarine Power Cable Co Ltd
Current assignee: Hengtong Submarine Power Cable Co Ltd
Priority date: 2016-07-14
Filing date: 2016-07-14
Publication date: 2017-02-22
Anticipated expiration: 2026-07-14

Abstract

The utility model discloses a low -cost optoelectrical composite cable, include: conductor, cross -linking type conductor shield, crosslinked polyethylene insulating layer, cross -linking type insulation screen, copper wire shielding layer and composite aluminium -plastic tape layer, the glazed unit of installation in the conductor, cross -linking type conductor shield the crosslinked polyethylene insulating layer cross -linking type insulation screen the copper wire shielding layer with the composite aluminium -plastic tape layer from interior and outward in proper order the parcel be in on the conductor, cross -linking type insulation screen with be equipped with semi -conductive buffer water blocking tape between the copper wire shielding layer, the copper wire shielding layer with be equipped with semi -conductive water -blocking tapes between the composite aluminium -plastic tape layer. In this way, the utility model relates to a low -cost optoelectrical composite cable, the utility model relates to a low -cost optoelectrical composite cable, this optoelectrical composite cable light unit is located the conductor center, has reduced the external diameter of cable, through the compound cable structure of reasonable improvement to the manufacturing cost of compound cable has been reduced.

Description

A kind of low cost optical photoelectric compound cable

Technical field

The utility model belongs to power cable field and in particular to a kind of low cost optical photoelectric compound cable.

Background technology

Optoelectronic composite cable is a kind of new access way being applied to communication access net system, and it will be transmitted electricity copper cash and optical fiber Gather together, the equipment that disposably can synchronously solve base station is powered and signal access problem, so being subject to very much each communication operation Business pays close attention to, and because of the diversity of its function, determines the complexity of the construction of cable, but as long as there being the rational structure design just can be more Realize well and meet the function of composite rope, and reduce manufacturing cost while meeting manufacturer's standard, realize the maximum of benefit Change, so on the premise of ensureing the normal operation of optoelectronic composite cable, the problem improving construction of cable reduction cable production cost shows Obtain particularly important, the light unit of traditional optoelectronic composite cable is all coated in packed layer, so not only increases the external diameter of cable Also add unnecessary production cost.

Utility model content

The utility model is mainly solving the technical problems that provide a kind of low cost optical photoelectric compound cable.

For solving above-mentioned technical problem, the technical scheme that the utility model adopts is：A kind of low cost optical replies conjunction by cable Cable, including：Conductor, cross-linking type conductor shield, crosslinked polyetylene insulated layer, cross-linking type insulation screen, shielding layer of copper wires and Plastic-aluminum combined belt；

In described conductor, light unit is installed；

Described cross-linking type conductor shield, described crosslinked polyetylene insulated layer, described cross-linking type insulation screen, described copper Silk screen layer and described plastic-aluminum combined belt are wrapped on described conductor from inside to outside successively；

It is provided with semi-conductive buffer water-blocking band between described cross-linking type insulation screen and described shielding layer of copper wires；

It is provided with semiconductor waterstop between described shielding layer of copper wires and described plastic-aluminum combined belt.

In one preferred embodiment of the utility model, described light unit is arranged on described conductor center.

In one preferred embodiment of the utility model, described shielding layer of copper wires is made up of some copper wires.

In one preferred embodiment of the utility model, between some described copper wires of described brass wire shielding in the layer, pass through copper Band tightens.

In one preferred embodiment of the utility model, described plastic-aluminum combined belt is wrapped with layer of polyethylene sheath.

The beneficial effects of the utility model are：A kind of the utility model low cost optical photoelectric compound cable, this optoelectronic composite cable light Unit is located at conductor center, reduces the external diameter of cable, is combined cable structure by rational modification, thus reducing the life of composite rope Produce cost.

Brief description

Fig. 1 is a kind of structural representation of low cost optical photoelectric compound cable.

In accompanying drawing, the mark of each part is as follows：1st, conductor；2nd, light unit；3rd, cross-linking type conductor shield；4th, crosslinked poly- second Alkene insulating barrier；5th, cross-linking type insulation screen；6th, shielding layer of copper wires；7th, plastic-aluminum combined belt；8th, semi-conductive buffer water-blocking band；9、 Semiconductor waterstop；10th, copper strips, 11, copper wire；12nd, pe sheath.

Specific embodiment

Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model Can be easier to be readily appreciated by one skilled in the art with feature, thus make apparent clear and definite to protection domain of the present utility model Define.

Refer to Fig. 1, the utility model embodiment includes：

A kind of low cost optical photoelectric compound cable, including：Conductor 1, cross-linking type conductor shield 3, crosslinked polyetylene insulated layer 4, Cross-linking type insulation screen 5, shielding layer of copper wires 6 and plastic-aluminum combined belt 7, described conductor 1 adopts the electrician of national Specification Copper, purity is not less than 99.97%, and conductive surface is smooth, the no defect such as greasy dirt, impulse- free robustness, no raised sharp edge.

Light unit 2 is installed in described conductor 1, described light unit 2 makes this optoelectronic composite cable not only have information transmission Function is moreover it is possible to play the effect of temperature measuring optical cable it is ensured that the safe operation of electrical network.

Described light unit 2 is arranged on described conductor 1 center, reduces the external diameter of this optoelectronic composite cable, and reduces Unnecessary production cost.

Described cross-linking type conductor shield 3, described crosslinked polyetylene insulated layer 4, described cross-linking type insulation screen 5, institute State shielding layer of copper wires 6 and described plastic-aluminum combined belt 7 is wrapped on described conductor 1 from inside to outside successively.

Described crosslinked polyetylene insulated layer 4 improves the service life of this optoelectronic composite cable.

Described cross-linking type conductor shield 3, described crosslinked polyetylene insulated layer 4 and described cross-linking type insulation screen 5 are adopted Produced with German TROESTER import dry type three-layer co-extruded cross-linking production line, be furnished with advanced sulfuration computing system, Germany The online derivometer of SIKORA, blast conductor preheater, thousand grades of clean rooms of raw material, core deaeration chamber, the insulated wire cores produced are equal Even, rounding, internal stress free, are effectively guaranteed the electrical insulation properties of optoelectronic composite cable.

Described shielding layer of copper wires 6 is made up of some copper wires 11, between some described copper wire 11 in described shielding layer of copper wires 6 Tightened by copper strips 10.

It is provided with semi-conductive buffer water-blocking band 8 between described cross-linking type insulation screen 5 and described shielding layer of copper wires 6, described Semi-conductive buffer water-blocking band 8 has not only acted as the effect blocking water, and also has the effect of buffering.

It is provided with semiconductor waterstop 9 between described shielding layer of copper wires 6 and described plastic-aluminum combined belt 7.

Described plastic-aluminum combined belt 7 is wrapped with layer of polyethylene sheath 12, and described pe sheath 12 has good Insulating properties, have preferable radial water-resisting effect simultaneously.

Compared with prior art, a kind of low cost optical of the utility model photoelectric compound cable, this optoelectronic composite cable light unit is located at Conductor center, reduces the external diameter of cable, is combined cable structure by rational modification, thus reducing the production cost of composite rope.

The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every The equivalent structure made using the utility model specification and accompanying drawing content or equivalent flow conversion, or be directly or indirectly used in Other related technical fields, are all included in the same manner in scope of patent protection of the present utility model.

Claims

1. a kind of low cost optical photoelectric compound cable is it is characterised in that include：Conductor, cross-linking type conductor shield, crosslinked polyethylene are exhausted Edge layer, cross-linking type insulation screen, shielding layer of copper wires and plastic-aluminum combined belt；

In described conductor, light unit is installed；

Described cross-linking type conductor shield, described crosslinked polyetylene insulated layer, described cross-linking type insulation screen, described copper wire screen Cover layer and described plastic-aluminum combined belt is wrapped on described conductor from inside to outside successively；

2. a kind of low cost optical photoelectric compound cable according to claim 1 it is characterised in that：Described light unit is arranged on described Conductor center.

3. a kind of low cost optical photoelectric compound cable according to claim 1 it is characterised in that：Described shielding layer of copper wires is by some Copper wire forms.

4. a kind of low cost optical photoelectric compound cable according to claim 3 it is characterised in that：If described brass wire shielding in the layer Do and tightened by copper strips between described copper wire.

5. a kind of low cost optical photoelectric compound cable according to claim 1 it is characterised in that：Described plastic-aluminum combined belt outsourcing It is wrapped with layer of polyethylene sheath.