CN203839131U - A photoelectric composite cable - Google Patents

Abstract

The utility model belongs to the technical field of cables and electric power, and especially relates to a photoelectric composite cable. The photoelectric composite cable is characterized in that the photoelectric composite cable comprises a filling component, power transmission units arranged at the left and right two outer sides of the filling component, optical signal transmission units arranged at the upper and lower two outer sides of the filling component, and a sheath layer. Each power transmission unit is formed by a conductor and an insulation layer, wherein the insulation layer is in a cylinder shape. Each optical signal transmission unit is formed by a reinforcer, light-guide fibers and a protective layer wrapped outside the reinforcer and the light-guide fibers. The protective layer, at the upper and lower sides of the reinforcer, is provided with tear gaps. The upper and lower surfaces of the optical signal transmission unit are plane. The left and right sides of the filling component are grooves which are sunk to the center of the filling component, the curvature radius of the groove being equal to that of the insulation layer. The upper and lower two sides of the filling component are plane. The main beneficial effects of the photoelectric composite cable are as follows: the photoelectric composite cable is more compact in structure, is capable of transmitting electric power, light and electric signals simultaneously, and is easier to construct, lower in cost and safer.

Description

A photoelectric composite cable

technical field

The utility model belongs to the technical field of cables and electric power, in particular to a photoelectric composite cable.

Background technique

As a product of the integrated transmission of optical signals and electric power or electric power signals, the photoelectric composite cable saves space or pipeline resources and is easy to lay; when using optical fiber access, the user does not need to set up additional power lines. Great convenience; for the access provider, the optical fiber and power equipment can be connected to the switch box at the same time, which saves the trouble of new application for power users and saves the application related fees, so it is very convenient. For this reason, photoelectric composite cables will be used in large quantities, and more research has been done on this in China.

The publication number is CN103779021A, and the patent name is: a photoelectric composite cable, which is characterized in that it includes a strengthening member, a wire and a bundle sleeve provided with an optical fiber, wherein: the strengthening member includes a central part and a first plastic film, and the The first plastic film is wrapped on the outside of the central part, and at least one groove is formed on its surface; the wire is fastened in the groove; the bundle sleeve is wound outside the reinforcement. The wire does not need to be twisted with the bundle sleeve, so that the bundle sleeve can be neatly wound on the surface of the reinforcement, which ensures the roundness of the photoelectric composite cable and improves the compression resistance of the photoelectric composite cable; at the same time, the bundle sleeve The tube will not be affected by broken wires, which also ensures the use of photoelectric composite cables.

The publication number is CN102592746A, and the patent name is: a photoelectric composite cable with a rubber sheath, which is composed of a cable core, an isolation layer coated on the cable core, a first sheath extruded on the isolation layer, and a coating The moisture barrier layer on the first sheath layer and the second sheath layer extruded on the moisture barrier layer; it is characterized in that: the cable core is composed of three first-type insulated conductors, two second-type insulated conductors, It is composed of an optical cable core; on any cross-section: three first-class insulated conductors are circumscribed in two phases, and the outer side of the adjacent first-class insulated conductors is circumscribed with these two first-class insulated conductors. One second-type insulated conductor or one optical cable core; the three first-type insulated conductors, two second-type insulated conductors, and one optical cable core are simultaneously inscribed by a circle; the three first-type insulated The conductor, two second-type insulated conductors, and an optical cable core are formed by helically twisting in the first direction through the first pitch; the optical cable core consists of a central bundle tube that contains a plurality of optical fibers inside . It is composed of a plurality of reinforcements that are helically stranded outside the central bundle tube in a second direction at a second pitch, a water-blocking layer wrapped outside the reinforcements, and an inner sheath extruded outside the water-blocking layer; According to the right-handed spiral rule, when holding the cable core, the first direction and the second direction are the same direction; and the first pitch is an integer multiple of the second pitch; the outer diameter of the first type of insulated conductor greater than the outer diameter of the second type of insulated conductor; the isolation layer is a water-blocking tape or a yellow wax tape or a mica tape; the first sheath is rubber or polyethylene or polyurethane; the second sheath is rubber.

The publication number is CN103426544A, and the patent name is: a reinforced photoelectric composite cable. The photoelectric composite cable includes: hard support wires, hard protective tubes, and optical fibers; There are hard support wires on both sides; the core of the optical cable and the core of the cable are twisted together to form a cable, making it a whole. The optical unit of this composite photoelectric composite cable adopts a reinforced optical cable, and a protective tube is sheathed on the outer circle of the optical fiber. The protective tube and the optical fiber have a loose sleeve structure, and a support line is fixed along the axial direction of the optical fiber on the side of the outer edge of the protective tube. , the thickness of the support wire is greater than or equal to the outer diameter of the protective tube. A protective sleeve is fixed outside the protective tube and the support wire to fix the protective tube and the support wire together to effectively protect the optical fiber and prevent the optical fiber from being damaged during manufacture and use.

Wait, the above-mentioned photoelectric composite cable cannot meet the application requirements of optical cable butterfly introduction and power composite in the prior art. For this reason, users look forward to the development and use of new photoelectric composite cables.

Contents of the invention

In order to solve the above problems, the purpose of this utility model is to disclose a photoelectric composite cable, which is realized by adopting the following technical solutions.

A photoelectric composite cable is characterized in that it includes a filling part 30 located in the center, a pair of power transmission units located on the left and right sides of the filling part, a pair of optical signal transmission units located on the upper and lower sides of the filling part, and the The outer sheath layer 4 of the power transmission unit and the optical signal transmission unit; the power transmission unit is composed of a conductor 11 and an insulating layer 10 coated outside the conductor, and the insulating layer is in the shape of a cylinder; the optical signal transmission unit is composed of a reinforcing member 22. The optical fiber 21 located on the left and right sides of the reinforcement, and the protective layer 20 covering the reinforcement and the optical fiber are composed. The protective layer on the upper and lower sides of the reinforcement has a tear opening 23, and the upper and lower sides of the optical signal transmission unit The lower surface is plane; the left and right sides of the filling part are grooves depressed toward the center of the filling part, the radius of curvature of the groove is the same as that of the insulating layer, and the upper and lower surfaces of the filling part are planes.

The above-mentioned photoelectric composite cable is characterized in that the filling part also has a pair of electrical signal transmission units, and the electrical signal transmission unit is composed of an electrical signal transmission part 31 and an insulator 32 coated on the electrical signal transmission part .

The photoelectric composite cable described above is characterized in that the filling part further has a pair of electrical signal transmission units, and the electrical signal transmission unit is composed of two electrical signal transmission parts 31 that are not in contact with each other.

The photoelectric composite cable described above is characterized in that the groove has a stripping opening 33 .

Further, the photoelectric composite cable described above is characterized in that there are filling elements or water blocking elements 5 in the gaps between the filling parts, the power transmission unit, and the optical signal transmission unit, which can make the structure of the composite cable more stable and waterproof. The water seepage performance is more stable.

Any one of the photoelectric composite cables mentioned above is characterized in that the material of the filling part is polyethylene or polypropylene or polyvinyl chloride.

Any one of the photoelectric composite cables described above is characterized in that the conductor is a single copper rod or a single aluminum rod or a stranded body of multiple copper wires or a stranded body of multiple aluminum wires or a stranded body of multiple magnesium alloy wires A stranded body or a stranded body of multiple aluminum alloy wires or a stranded body of multiple aluminum-magnesium alloy wires.

Any one of the photoelectric composite cables mentioned above is characterized in that the material of the insulating layer is polyethylene or polypropylene or polyvinyl chloride.

Any one of the photoelectric composite cables mentioned above is characterized in that the material of the reinforcing member is steel wire or glass fiber reinforced plastic or aramid yarn or glass fiber yarn.

Any one of the photoelectric composite cables mentioned above is characterized in that the optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type single mode fiber or multimode fiber.

The photoelectric composite cable described above is characterized in that the electrical signal transmission part is a single copper rod or a single aluminum rod or a single magnesium alloy rod or a single aluminum alloy rod or a single aluminum-magnesium composite rod.

A photoelectric composite cable as described above is characterized in that the material of the insulator is polyethylene or polypropylene or polyvinyl chloride; and the material of the insulator is different from the material of the filling part; this ensures that the electrical signal transmission unit can Easily detaches from filling part.

In the utility model, since the upper and lower surfaces of the optical signal transmission unit are planes, and the upper and lower surfaces of the filling part are also planes, it can be conveniently stacked in the cable; The central concave groove of the component has the same curvature radius as the insulating layer, so the power transmission unit can be easily connected with the filling component; therefore, the filling component not only plays the role of filling but also makes the structure more Compact, more stable action. The edge of the filler part has a peeling opening to facilitate the separation of the electrical signal transmission unit, and the optical signal transmission unit has a tear opening to facilitate the separation of the optical fiber. In the utility model, a pair of power transmission units are located on the left and right sides of the filling part, and a pair of optical signal transmission units are located on the top and bottom sides of the filling part, so that the power transmission units are separated, so that the composite cable has higher power safety and transmission Thermal performance during power.

Therefore, the utility model has the following main beneficial effects: the structure is more compact, and electric power, light, and electric signals can be transmitted at the same time; construction is easier, the cost is lower, and it is safer.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a section of the utility model embodiment 1 after being dissected.

Fig. 2 is an enlarged front view of Fig. 1 .

Fig. 3 is the front view of the second embodiment of the utility model.

Fig. 4 is the front view of the third embodiment of the utility model.

Detailed ways

Implementation Example 1

Please see Figures 1 to 2; a photoelectric composite cable, characterized in that it includes a filling part 30 located in the center, a pair of power transmission units located on the left and right sides of the filling part, and a pair of optical cables located on the upper and lower sides of the filling part. The signal transmission unit, and the sheath layer 4 coated on the outside of the power transmission unit and the optical signal transmission unit; the power transmission unit is composed of a conductor 11 and an insulating layer 10 coated on the outside of the conductor, and the insulating layer is in the shape of a cylinder; The optical signal transmission unit is composed of a reinforcing member 22, an optical fiber 21 located on the left and right sides of the reinforcing member, a protective layer 20 covering the reinforcing member and the optical fiber, and the protective layer on the upper and lower sides of the reinforcing member has a tear opening 23 , the upper and lower surfaces of the optical signal transmission unit are planes; the left and right sides of the filling part are grooves that are depressed toward the center of the filling part, and the radius of curvature of the groove is the same as that of the insulating layer. It is plane; the filling part also has a pair of electrical signal transmission units, and the electrical signal transmission unit is composed of an electrical signal transmission part 31 and an insulator 32 coated on the electrical signal transmission part.

Of course, the above-mentioned photoelectric composite cable is characterized in that the pair of electrical signal transmission units in the filling part can also be composed of two electrical signal transmission parts 31 that are not in contact with each other; in this case, the processing is more It is convenient and saves the process cost.

Implementation Example 2

Please see Fig. 3, and referring to Fig. 1 and Fig. 2, a photoelectric composite cable is characterized in that it includes a filling part 30 located in the center, a pair of power transmission units located on the left and right sides of the filling part, and a pair of power transmission units located on the upper and lower sides of the filling part A pair of optical signal transmission units on the outside, and a sheath layer 4 coated on the outside of the power transmission unit and the optical signal transmission unit; the power transmission unit is composed of a conductor 11 and an insulating layer 10 coated outside the conductor. The insulating layer is Cylindrical shape; the optical signal transmission unit is composed of a reinforcing member 22, an optical fiber 21 located on the left and right sides of the reinforcing member, a protective layer 20 covering the reinforcing member and the optical fiber, and the protective layer on the upper and lower sides of the reinforcing member There is a tear opening 23, and the upper and lower surfaces of the optical signal transmission unit are planes; the left and right sides of the filling part are grooves sunken toward the center of the filling part, and the radius of curvature of the groove is the same as that of the insulating layer. , The surfaces on both sides of the lower side are plane; there is also a pair of electrical signal transmission units in the filling part, and the electrical signal transmission unit is made of an electrical signal transmission part 31 and an insulator 32 coated on the electrical signal transmission part; the groove has Open the stripping mouth 33.

Implementation Example 3

Please see Figure 4, and with reference to Figures 1 and 2, a photoelectric composite cable is characterized in that it includes a filling part 30 located in the center, a pair of power transmission units located on the left and right sides of the filling part, and a pair of power transmission units located on the upper and lower sides of the filling part. A pair of optical signal transmission units on the outside, and a sheath layer 4 coated on the outside of the power transmission unit and the optical signal transmission unit; the power transmission unit is composed of a conductor 11 and an insulating layer 10 coated outside the conductor. The insulating layer is Cylindrical shape; the optical signal transmission unit is composed of a reinforcing member 22, an optical fiber 21 located on the left and right sides of the reinforcing member, a protective layer 20 covering the reinforcing member and the optical fiber, and the protective layer on the upper and lower sides of the reinforcing member There is a tear opening 23, and the upper and lower surfaces of the optical signal transmission unit are planes; the left and right sides of the filling part are grooves sunken toward the center of the filling part, and the radius of curvature of the groove is the same as that of the insulating layer. , The surfaces on both sides of the lower side are plane; there is also a pair of electrical signal transmission units in the filling part, and the electrical signal transmission unit is made of an electrical signal transmission part 31 and an insulator 32 coated on the electrical signal transmission part; the groove has Opening and stripping openings 33; there are filling elements or water blocking elements 5 in the gaps of the filling parts, power transmission units, and optical signal transmission units, which can make the structure of the composite cable more stable and the water-proof performance more stable.

Of course, the photoelectric composite cable described in any of the above implementation examples may not have an electrical signal transmission unit; at this time, the photoelectric composite cable can transmit power and optical signals at the same time, that is: a photoelectric composite cable, characterized in that It includes a filling part 30 located in the center, a pair of power transmission units located on the left and right sides of the filling part, a pair of optical signal transmission units located on the upper and lower sides of the filling part, and the power transmission unit and the optical signal transmission unit wrapped outside The sheath layer 4; the power transmission unit is composed of a conductor 11 and an insulating layer 10 coated on the outside of the conductor, and the insulating layer is in the shape of a cylinder; the optical signal transmission unit is composed of a reinforcing member 22, a The optical fiber 21 is composed of a protective layer 20 covering the reinforcement and the optical fiber. The protective layer on the upper and lower sides of the reinforcement has a tear opening 23. The upper and lower surfaces of the optical signal transmission unit are planes; the left and right sides of the filling part The side is a groove depressed toward the center of the filling part, the radius of curvature of the groove is the same as that of the insulating layer, and the upper and lower surfaces of the filling part are planes.

The photoelectric composite cable described in any of the above implementation examples is characterized in that the material of the filling part is polyethylene or polypropylene or polyvinyl chloride.

A photoelectric composite cable described in any of the above-mentioned implementation examples is characterized in that the conductor is a single copper rod or a single aluminum rod or a stranded body of multiple copper wires or a stranded body of multiple aluminum wires or a plurality of magnesium wires A twisted body of alloy wire or a twisted body of multiple aluminum alloy wires or a twisted body of multiple aluminum-magnesium alloy wires.

The photoelectric composite cable described in any of the above implementation examples is characterized in that the material of the insulating layer is polyethylene or polypropylene or polyvinyl chloride.

The photoelectric composite cable described in any of the above implementation examples is characterized in that the material of the reinforcing member is steel wire or glass fiber reinforced plastic or aramid yarn or glass fiber yarn.

A photoelectric composite cable described in any of the above implementation examples is characterized in that the optical fiber is G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type type single-mode fiber or multimode fiber.

A photoelectric composite cable described in any of the above implementation examples, when it has an electrical signal transmission component, is characterized in that the electrical signal transmission component is a single copper rod or a single aluminum rod or a single magnesium alloy rod or a single aluminum rod Alloy rod or single aluminum-magnesium composite rod.

A photoelectric composite cable described in any of the above implementation examples, when having an electrical signal transmission part, is characterized in that the material of the insulator is polyethylene or polypropylene or polyvinyl chloride; and the material of the insulator and the material of the filling part are Different; this ensures that the electrical signal transmission unit can be easily separated from the filling part.

A photoelectric composite cable described in any of the above implementation examples is characterized in that the material of the sheath layer is polyethylene or polypropylene or polyvinyl chloride or low-smoke zero-halogen polyethylene or elastomer or rubber or other plastics.

In the utility model, since the upper and lower surfaces of the optical signal transmission unit are planes, and the upper and lower surfaces of the filling part are also planes, it can be conveniently stacked in the cable; The central concave groove of the component has the same curvature radius as the insulating layer, so the power transmission unit can be easily connected with the filling component; therefore, the filling component not only plays the role of filling but also makes the structure more Compact, more stable action. The edge of the filler part has a peeling opening to facilitate the separation of the electrical signal transmission unit, and the optical signal transmission unit has a tear opening to facilitate the separation of the optical fiber. In the utility model, a pair of power transmission units are located on the left and right sides of the filling part, and a pair of optical signal transmission units are located on the top and bottom sides of the filling part, so that the power transmission units are separated, so that the composite cable has higher power safety and transmission Thermal performance during power.

Therefore, the utility model has the following main beneficial effects: the structure is more compact, and electric power, light, and electric signals can be transmitted at the same time; construction is easier, the cost is lower, and it is safer.

The utility model is not limited to the above preferred mode of implementation, it should be understood that the concept of the utility model can be implemented in other forms, and they also fall within the protection scope of the utility model.

Claims (10)

1. an optoelectronic composite cable, is characterized in that it includes a pair of electric power transfer unit that is positioned at central filling component (30), is positioned at two outsides, filling component left and right, is positioned at a pair of optical signal transmission unit in upper and lower two outsides of filling component and is coated on electric power transfer unit and the restrictive coating of outside, optical signal transmission unit (4); Described electric power transfer unit is by conductor (11) and be coated on insulating barrier (10) formation outside conductor, and insulating barrier is cylindrical shape; Described optical signal transmission unit by reinforcement (22), be positioned at the reinforcement left and right sides optical fiber (21), envelope reinforcement and fibre-optic protective layer (20) and form, on the protective layer of the both sides up and down of reinforcement, have tearing port (23), the upper and lower surface of optical signal transmission unit is plane; The filling component left and right sides is the groove to the concavity of filling component, and the radius of curvature of groove is identical with the radius of curvature of insulating barrier, and the upper and lower both side surface of filling component is plane.

2. a kind of optoelectronic composite cable according to claim 1, it is characterized in that also having a pair of electric signal transmission unit in described filling component, electric signal transmission unit is by electric signal transmission parts (31) and be coated on insulator (32) formation on electric signal transmission parts; Described electric signal transmission parts are that single copper bar or single aluminium bar or single magnesium alloy bar or single aluminium alloy rod or single magnalium close bar; The material of described insulator is polyethylene or polypropylene or polyvinyl chloride; And the material of insulator is different from the material of filling component.

3. a kind of optoelectronic composite cable according to claim 1, is characterized in that also having a pair of electric signal transmission unit in described filling component, and electric signal transmission unit consists of two mutual discontiguous electric signal transmission parts 31; Described electric signal transmission parts are that single copper bar or single aluminium bar or single magnesium alloy bar or single aluminium alloy rod or single magnalium close bar.

4. a kind of optoelectronic composite cable according to claim 1, is characterized in that on described groove, having stripping mouth (33).

5. a kind of optoelectronic composite cable according to claim 1, is characterized in that having packing elements or water-blocking element (5) in the gap of described filling component, electric power transfer unit, optical signal transmission unit.

According to claim 1 to any one optoelectronic composite cable claimed in claim 5, the material that it is characterized in that described filling component is polyethylene or polypropylene or polyvinyl chloride.

According to claim 1 to any one optoelectronic composite cable claimed in claim 5, it is characterized in that described conductor is the intertwist body of single copper bar or the intertwist body of single aluminium bar or many copper wires or the intertwist body of the intertwist body of multiple aluminium wire or many Mg alloy wires or the intertwist body of many aluminum-alloy wires or many aluminum-magnesium alloy wires.

According to claim 1 to any one optoelectronic composite cable claimed in claim 5, the material that it is characterized in that described insulating barrier is polyethylene or polypropylene or polyvinyl chloride.

According to claim 1 to any one optoelectronic composite cable claimed in claim 5, the material that it is characterized in that described reinforcement is steel wire or fiberglass reinforced plastics or aramid yarn or glass fiber yarn.

According to claim 1 to any one optoelectronic composite cable claimed in claim 5, it is characterized in that described optical fiber is for G.652 type or G.653 type or G.654 type or G.655 type or G.656 type or G.657 type monomode fiber or multimode fiber.