CN201311795Y

CN201311795Y - Photoelectric composite cable

Info

Publication number: CN201311795Y
Application number: CNU2008202232643U
Authority: CN
Inventors: 巩滨; 甘露; 徐刚; 潘琳; 裴清春
Original assignee: Sichuan Jiuzhou Wire and Cable Co Ltd
Current assignee: Sichuan Jiuzhou Wire and Cable Co Ltd
Priority date: 2008-12-09
Filing date: 2008-12-09
Publication date: 2009-09-16
Anticipated expiration: 2018-12-09

Abstract

A photoelectric composite cable for a communication network comprises a reinforcing core, a cable core formed by twisting an optical cable, a plurality of power cords and a padding wire on the reinforcing core, a lapped belting layer which is wound outside the cable core and an oversheath, and is characterized in that the optical cable is provided with an optical cable sheath, a wire-armored layer and optical fibers from outside to inside, and the power cord is composed of a power cord sheath and a group of aluminum twisted line conductors arranged in the power cord sheath. The optical cable and the power code can be respectively and independently used, also can be simultaneously used, can completely convey current by the power cord when transmitting the optical signals, and provides electricity for devices and components, can be widely used as outdoor feeder lines and wiring, lead-in wires of a user optical cable backbone, connecting lines for connecting an optical cable distribution box outside a monitored room in a long-distance communication line, an intracity access network or a metropolitan area network system, a 3G network base station, a distance-range unattended machine room, a district machine room and the like.

Description

Optoelectrical cable

Technical field

The utility model belongs to transmit in the communication network uses cable, relates to a kind of optoelectrical cable that can transmit light, the signal of telecommunication simultaneously.Need to be specially adapted to the occasion of while transmission of data signals and electric energy.

Background technology

Along with the China's economic high speed development, the Internet construction has spread to urban family, villages and towns in rural areas, part rural households, user's actual need is more and more, for example: need video telephone, Digital Television, network etc. simultaneously, at present, these are several all to adhere to different operators separately, and the network of foundation repeats each other, has wasted national resource.Developing, set up a kind of network is that several networks merge, can be implemented in demands such as each the user video chat of family or unit, interactive game, video request program, long-distance education, electron medical treatment, can provide lower price and more efficient, more diversified and service more easily to users, can realize the strategic interests of country again.So both rationally utilize Internet resources, avoided the national basis repeated construction again, be beneficial to the faster development of promotion data communication industry.

In the prior art, optoelectrical cable generally comprises: strengthening core is stranded in the cable core that constitutes on the strengthening core, wrapped wrapped belting layer outside cable core, and oversheath by optical cable, one group of power line and gasket for packing body; Using more optoelectrical cable is to have beam tube and copper conductor line stranded in the optical cable, realizes that fiber-optic signal and electric energy transmit simultaneously.The shortcoming that existing optoelectrical cable exists mainly shows following several respects:

(1) optical cable is some beam tubes in the optoelectrical cable, and cable and the beam tube of making conductor with copper cash are stranded, all can't independently separate use, can't satisfy user's instructions for use fully;

(2) central reinforce member is a non-metallic stiffener in the optoelectrical cable, and non-metallic stiffener intensity is low, reach the tensile strength of cable, the material cost price height that it needs;

What (3) beam tube and power line adopted in the optoelectrical cable is the stranded mode of SZ (being that positive and negative alternate is stranded), and this mode has limited that the length of power line, external diameter have requirement in the cable, can't process the power line that the segment length is long, the copper conductor sectional area is big.Power line is that annealed copper wire is made the current delivery conductor, pushes beam tube when the power line of sectional area big (the copper cash external diameter is big) is stranded easily, causes optical fiber attenuation to increase, and influences the signal transmission when serious; Order is when on the one hand long or copper conductor cross section is big when its length, and its weight is big, can only bear weight about 500 kilograms and process the stranded equipment of SZ, so the cable segment length can not be too big;

(4) power line adopts copper cash to make the current delivery conductor in the optoelectrical cable, and copper cash is heavy, price is high, is cut easily; Cable core has the metal armouring layer to protect outward in the cable, just can make cable have the of short duration compression strength more than or equal to 1500N/100mm.

Therefore, existing optoelectrical cable exists that comprehensive several cables can't independently use, the segment length is long, the more high defective of cost.

Summary of the invention

The purpose of this utility model is intended to overcome deficiency of the prior art, use finished cable, many aluminium stranded conductors to make the power line of conductor by cable core, the stranded mode of single-screw etc., thus a kind of optoelectrical cable that high-bandwidth signals is transmitted, price is lower, easy to connect, be easy to out characteristics such as stripping and use that has is provided.

Technical solution of the present utility model is: a kind of optoelectrical cable, comprise: strengthening core, by optical cable, one group of power line (generally can be 2,4,6) and the gasket for packing body (quantity can be 1 or many, determine with the quantity of optical cable and power line) be stranded in the cable core that constitutes on the strengthening core and (can place water blocking yarn in the cable core gap, waterstop, same prior art), wrapped wrapped belting layer outside cable core (is beneficial to heat insulation, make the cable core rounding), and oversheath, it is characterized in that: described optical cable is by the fiber cable jacket (6) that is provided with in turn from outside to inside, wire armoring layer (2) and optical fiber (1) constitute; Described power line is by power line sheath (7) and be arranged at one group of aluminium stranded conductor conductor (8) in this power line sheath (7) and constitute (that is: polyvinyl chloride aluminium core electric wire, or claim the BLV power line, can with product of the prior art).

In the technical solution of the present utility model: described strengthening core is by (plastics etc.) insulating barrier (4) and be arranged at interior center reinforcement steel wire (3) formation of this insulating barrier (4).

In the technical solution of the present utility model: described cable core is the cable core that adopts the stranded mode of single-screw stranded (being counterclockwise or stranded clockwise) to constitute on strengthening core by optical cable, one group of power line and gasket for packing body.

In the technical solution of the present utility model: unit cable (3) is adopted in described signal transmission, and power line adopts aluminium stranded conductor to make the BLV power line (7) of Ampereconductors.

In the technical solution of the present utility model: described oversheath (10) is preferably polyethylene oversheath or low-smoke non-halogen flame-retardant oversheath.

Compared with prior art, the utlity model has following characteristics and beneficial effect:

(1) adopts the utility model, optical cable in the optoelectrical cable, BLV power line can be distinguished use separately, also can use simultaneously, can fully satisfy at transmission of data signals simultaneously by BLV power line transmission current, for equipment, the device that uses in the network provides electric energy, can extensively be used in the systems such as long distance communication circuit, city Access Network or metropolitan area network system, 3G network base station, remote unattended equipment room, sub-district machine room, can make the lead-in of outdoor feeder line, distribution, subscriber optical cable backbone, the connecting line that connection is subjected to fiber cable cross connection box outside the Control Room etc.;

(2) the center strengthening core is strengthened the steel wire formation by (plastics) insulating barrier and the center that is arranged in the insulating barrier, make the tensile strength height of cable, and the material cost price that needs is lower; The optical cable of transmission signals and the power line of electric energy transmitting can be opened and strip out separately independent the use, are easy to out stripping, continue conveniently.

(3) power line adopts the BLV power line, uses aluminium to make conductor, and in light weight, the segment length can be longer, is difficult for being cut; Can be finished product light, cable twisting in the cable core, need not the metal armouring protection, low price, practical;

(4) adopt single-screw stranded, lay configuration closely, the power conductor sectional area greatly, the processing segment length is long, result of use is good;

Description of drawings

Fig. 1 is the utility model embodiment 1 structural representation;

Fig. 2 is the cross-sectional TV structure schematic diagram of Fig. 1.

Among the figure: steel wire, 4-insulating barrier, 5-gasket for packing body, 6-fiber cable jacket, 7-power line sheath, 8-aluminium stranded conductor conductor, the wrapped belting layer of 9-, 10-oversheath are strengthened in 1-optical fiber, 2-wire armoring layer, 3-center.

Embodiment

Embodiment 1: referring to each accompanying drawing.

Transmission optoelectrical cable in a kind of communication network, mainly by strengthening core, (water blocking yarn, waterstop can be placed in the cable core gap to be stranded in the cable core that constitutes on the strengthening core by optical cable, 2 power lines and gasket for packing body 5, same prior art), wrapped wrapped belting layer 9 outside cable core, and oversheath 10 is formed; Described optical cable is constituted (can with finished product product of the prior art), is unit cable by the fiber cable jacket 6, wire armoring layer 2 and the optical fiber 1 that are provided with in turn from outside to inside; Described power line is by power line sheath 7 and be arranged at one group of aluminium stranded conductor conductor 8 in this power line sheath 7 and constitute (that is: polyvinyl chloride aluminium core electric wire, or claim the BLV line, can be with product of the prior art---finished product BLV line);

Described strengthening core is strengthened steel wires 3 formations by (plastics) insulating barrier 4 and the centers that are arranged in this insulating barrier 4;

Described cable core is to adopt the stranded mode of single-screws to be stranded in the cable core that constitutes on the strengthening core by optical cable, 2 power lines and gasket for packing body 5.

The production process of this embodiment optoelectrical cable is: unit cable and 2 power lines are become cable core with single-screw stranded (being counterclockwise or stranded clockwise) with 5 gasket for packing bodies on the insulation strengthening core (the cable core gap can be placed with water blocking yarn, waterstop, same prior art), the outer wrapped band 9 of cable core, squeeze into the fire-retardant or not fire-retardant polyethylene oversheath 10 of one deck, promptly make product.

The optoelectrical cable product that makes have high-bandwidth signals transmission, price low, easy to connect, be easy to out characteristics such as stripping and use, can fully satisfy in systems such as long distance communication circuit, city Access Network or metropolitan area network system, 3G network base station, remote unattended equipment room, sub-district machine room and use.

The utility model is not limited to the foregoing description, and the utility model technical solution is described all can be implemented, and has described good result.

Claims

1, a kind of optoelectrical cable, comprise: strengthening core, be stranded in the cable core that constitutes on the strengthening core by optical cable, one group of power line and gasket for packing body, wrapped wrapped belting layer outside cable core, and oversheath, it is characterized in that: described optical cable is made of the fiber cable jacket (6) that is provided with in turn from outside to inside, wire armoring layer (2) and optical fiber (1); Described power line is by power line sheath (7) and be arranged at interior one group of aluminium stranded conductor conductor (8) formation of this power line sheath (7).

2, by the described optoelectrical cable of claim 1, it is characterized in that: described strengthening core is by insulating barrier (4) and be arranged at interior center reinforcement steel wire (3) formation of this insulating barrier (4).

3, by claim 1 or 2 described optoelectrical cables, it is characterized in that: described cable core is to adopt the stranded mode of single-screw to be stranded in the cable core that constitutes on the strengthening core by optical cable, one group of power line and gasket for packing body.