CN211208053U - Novel photoelectric composite cable - Google Patents

Abstract

The utility model relates to a novel photoelectric composite cable, which comprises an optical fiber, a sleeve pipe coated outside the optical fiber, and a power line, wherein a yarn binding layer is coated outside the sleeve pipe and the power line, the sleeve pipe and the power line are bound and fixed by the yarn binding layer, a water-resisting layer is coated outside the yarn binding layer, and a sheath is coated outside the water-resisting layer; a gap is formed between the outer wall of the waterproof layer and the inner wall of the sheath. The utility model discloses can improve the compressive property of sheath, have the effect of guarantee photoelectric composite cable quality.

Description

Novel photoelectric composite cable

Technical Field

The utility model belongs to the technical field of the technique of photoelectric composite cable and specifically relates to a novel photoelectric composite cable is related to.

Background

The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission copper wires, and can solve the problems of broadband access, equipment power consumption and signal transmission. The optical-electrical composite cable is generally structured by coating an optical fiber and a copper conductor with a PVC jacket, and combining the optical fiber and the copper conductor into one.

The above prior art solutions have the following drawbacks: the common photoelectric composite cable has poor mechanical properties, such as compression resistance, so that cracks are easily generated on the surface of the photoelectric composite cable sleeve after the photoelectric composite cable sleeve is extruded. When the photoelectric composite cable is connected to an outdoor cabinet and is exposed outside for a long time, water vapor and dust in the air are easily deposited in cracks, so that the photoelectric composite cable is easy to break down, and the normal use of the photoelectric composite cable is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a novel photoelectric composite cable, its compressive property that can improve the sheath has the effect of guarantee photoelectric composite cable quality.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a novel photoelectric composite cable comprises an optical fiber, a sleeve pipe and a power line, wherein the sleeve pipe is coated outside the optical fiber, a yarn binding layer is coated outside the sleeve pipe and the power line, the sleeve pipe and the power line are bound and fixed by the yarn binding layer, a water blocking layer is coated outside the yarn binding layer, and a sheath is coated outside the water blocking layer; a gap is formed between the outer wall of the waterproof layer and the inner wall of the sheath.

Through adopting above-mentioned technical scheme, through set gradually bundle yarn layer, water-blocking layer and sheath outside sleeve pipe and power cord, can play fixed, waterproof and the effect of protection to sleeve pipe and power cord. Set up the clearance after between water-blocking layer outer wall and sheath inner wall, when the sheath received the extrusion, the clearance can provide the space of deformation for the sheath, and the degree of increase sheath deformation makes the sheath can change pressure into the deformation, slows down external force to sheathed tube effort to improve the compressive capacity of sheath, make it be difficult for producing the crack, have the effect of guarantee photoelectric composite cable quality, still have the effect of protection optic fibre and power cord.

The present invention may be further configured in a preferred embodiment as: the cross section of the outer wall of the waterproof layer is circular, and the cross section of the inner wall of the sheath is polygonal.

Through adopting above-mentioned technical scheme, through setting up the water-blocking layer outer wall cross section into circular, set up the sheath inner wall cross section into the polygon, can form the clearance between circular and the polygon to realize the cooperation between water-blocking layer and the sheath.

The present invention may be further configured in a preferred embodiment as: the cross section of the inner wall of the sheath is triangular.

Through adopting above-mentioned technical scheme, through setting up the sheath inner wall cross section into triangle-shaped, triangle-shaped has higher stability to supporting the sheath, making sheath non-deformable, and then making the compressive property of sheath better, and to the protection effect of optic fibre and power cord better.

The present invention may be further configured in a preferred embodiment as: the protective sleeve is characterized in that a plurality of movable wires are arranged in the length direction of the outer wall of the protective sleeve, a protective layer is coated outside the movable wires, and the movable wires can move between the protective sleeve and the protective layer.

Through adopting above-mentioned technical scheme, through setting up many activity lines between sheath and protective layer, many activity lines form the activity pencil of deformability to when making the protective layer receive external pressure, can cushion, reduce the pressure to the sheath through the deformation of activity pencil, thereby reach the purpose of protective sheath, have the effect that further improves the crushing resistance.

The present invention may be further configured in a preferred embodiment as: the binding layer is connected with a limiting clamp in the length direction, a plurality of limiting grooves matched with the sleeve or the power line are formed in the limiting clamp, and the sleeve and the power line are embedded in the limiting grooves.

Through adopting above-mentioned technical scheme, through setting up spacing clamp and spacing groove, sleeve pipe and power cord can imbed the spacing inslot to fixed sleeve pipe and power cord play the effect of support sleeve pipe and power cord, reduced the injury of pressure to optic fibre and power cord, and can separate sleeve pipe and power cord, influence the another party when avoiding one party to receive the extrusion, thereby more be favorable to protecting optic fibre and power cord.

The present invention may be further configured in a preferred embodiment as: the limiting clamps are provided with a plurality of limiting clamps which are uniformly distributed in the yarn binding layer.

Through adopting above-mentioned technical scheme, to a certain extent, spacing clamp's quantity is more, the distribution is wider, and spacing clamp is more obvious to the effect of sleeve pipe and power cord, and the stability of sleeve pipe and power cord is higher, and the quality of photoelectric composite cable also is more guaranteed.

The present invention may be further configured in a preferred embodiment as: and reinforcing wires are arranged in the sheath along the length direction of the sheath.

By adopting the technical scheme, the reinforcing wires are arranged in the sheath, so that the resistance and stability of the sheath can be enhanced by the reinforcing wires, the bending degree of the photoelectric composite cable is reduced, the sheath is not easy to bend excessively to cause the optical fiber and the power line to be broken, and the quality of the photoelectric composite cable is better guaranteed.

The present invention may be further configured in a preferred embodiment as: the reinforcing wire is a high-carbon steel wire.

By adopting the technical scheme, the high-carbon steel wire has higher strength, hardness, elastic limit and fatigue limit, and lower cold plastic deformation capacity, can be used as a good reinforcing wire, plays a role in reinforcing resistance and stability to the sheath, and thus ensures the normal performance of the function of the reinforcing wire.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the yarn binding layer, the water resisting layer and the sheath are sequentially arranged outside the sleeve and the power line, so that the sleeve and the power line can be fixed, waterproof and protected. After the gap is formed between the outer wall of the waterproof layer and the inner wall of the sheath, when the sheath is extruded, the gap can provide a deformation space for the sheath, the deformation degree of the sheath is increased, the sheath can convert pressure into deformation, and the acting force of external force on the sleeve is slowed down, so that the pressure resistance of the sheath is improved, cracks are not easy to generate, the effect of guaranteeing the quality of the photoelectric composite cable is achieved, and the effect of protecting optical fibers and power lines is achieved;

by limiting the shapes of the outer wall of the waterproof layer and the inner wall of the sheath and arranging the limiting clamp, the movable wire and the reinforcing wire, the resistance and the transformation capacity of the photoelectric composite cable are enhanced from the aspects of improving the buffer space, the stability and the like, so that the aims of protecting the photoelectric composite cable and guaranteeing the quality of the photoelectric composite cable are fulfilled.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Reference numerals: 1. an optical fiber; 11. a sleeve; 2. a power line; 3. a sheath; 4. binding a yarn layer; 5. a water resistant layer; 6. a protective layer; 7. a movable wire; 8. a limiting clamp; 81. a limiting groove; 9. and (4) reinforcing wires.

Detailed Description

The present invention will be described in further detail with reference to fig. 1.

Referring to fig. 1, for the utility model discloses a novel photoelectric composite cable, including optic fibre 1 and power cord 2, optic fibre 1 and power cord 2 are equipped with sheath 3 outward, and sheath 3 makes both unite two into one with optic fibre 1 and power cord 2 cladding.

The optical fiber 1 is coated with the sleeve 11, the sleeve 11 is coated with the optical fiber 1, the optical fiber 1 and the power line 2 are coated with the yarn binding layer 4, the yarn binding layer 4 is gauze, the yarn binding layer 4 is arranged around the sleeve 11 and the power line 2, and the sleeve 11 and the power line 2 are bound together, so that the sleeve 11 and the power line 2 are fixed. The water-resistant layer 5 is coated outside the yarn binding layer 4, and the sheath 3 is coated outside the water-resistant layer 5, so that the sheath 3 can coat the sleeve 11 and the power line 2. The water-blocking layer 5 is a water-blocking tape, and the water-blocking layer 5 can play a role in preventing water for the optical fiber 1 and the power line 2 after being coated outside the yarn binding layer 4.

From the cross section of the photoelectric composite cable, the outer wall of the sheath 3 is circular, the inner wall of the sheath is triangular, the outer wall of the waterproof layer 5 is circular, and after the sheath 3 coats the waterproof layer 5, a gap is formed between the sheath 3 and the waterproof layer 5. The sheath 3 is made of PVC, and the yarn binding layer 4, the water blocking layer 5 and the sheath 3 are made of materials with flexibility, plasticity or elasticity, namely, the photoelectric composite cable can deform under external force.

Set up the clearance after between 5 outer walls in water-blocking layer and 3 inner walls of sheath, when sheath 3 received the extrusion, the clearance can provide the space of deformation for sheath 3, the degree of 3 deformation of increase sheath makes sheath 3 can change pressure into the deformation, slows down the effort of external force to sheath 3 to improve sheath 3's compressive capacity, make it be difficult for producing the crack, have the effect of guarantee photoelectric composite cable quality, still have the effect of protection optic fibre 1 and power cord 2. And, 3 triangular inner walls of sheath have higher stability to support sheath 3, make 3 non-deformable of sheath, and then make 3 compressive property of sheath better, and to the protection effect of optic fibre 1 and power cord 2 better.

It should be noted that, in the present embodiment, the inner wall of the casing 11 is triangular, but is not limited to this in other embodiments, and may also be polygonal, such as rectangular or hexagonal, as long as the sheath 3 and the waterproof layer 5 can directly form a gap in principle.

In order to further improve the compression resistance of the sheath 3, a protective layer 6 is arranged on the circumferential surface of the outer wall of the sheath 3, the protective layer 6 is also made of PVC, the protective layer 6 separates the sheath 3 from the outside, the direct damage of the sheath 3 is avoided, and the protective layer has the function of protecting the sheath 3. A gap is reserved between the protective layer 6 and the sheath 3, a movable wire harness is filled in the gap, and the movable wire harness comprises a plurality of movable wires 7 arranged along the length direction of the sheath 3. The movable wire 7 can move between the protective layer 6 and the sheath 3, and after the protective layer 6 deforms, the protective layer 6 extrudes the movable wire 7 to enable the movable wire 7 to move relatively, so that the pressure on the sheath 3 is buffered and reduced through the deformation of the movable wire 7 bundle, the purpose of protecting the sheath 3 is achieved, and the effect of further improving the pressure resistance is achieved.

When the protective layer 6 is squeezed, pressure inevitably acts on the optical fiber 1 and the power line 2 through the protective layer 6, the movable wire 7, the sheath 3, the water-blocking layer 5, the yarn-tying layer 4 and the sleeve 11, so that the optical fiber 1 and the power line 2 are damaged. In order to reduce the injury that optic fibre 1 and power cord 2 received, be equipped with a plurality of spacing clamps 8 in pricking yarn layer 4, a plurality of spacing clamps 8 are along pricking 4 length direction uniform settings on yarn layer. The edge of the limiting clamp 8 is provided with four limiting grooves 81 in a winding manner, the limiting grooves 81 are matched with the sleeve 11 or the power line 2, and the sleeve 11 or the power line 2 is embedded in the limiting grooves 81 and is connected with the limiting clamp 8 in a clamping manner. Sleeve pipe 11 and power cord 2 joint have restricted optic fibre 1 and power cord 2's activity behind spacing clamp 8 to realized the support to sleeve pipe 11 and power cord 2, reduced the injury of pressure to optic fibre 1 and power cord 2, and can separate sleeve pipe 11 and power cord 2, influence the other party when avoiding one party to receive the extrusion, thereby more be favorable to protecting optic fibre 1 and power cord 2.

In order to increase the strength of the photoelectric composite cable, three reinforcing wires 9 are arranged in the sheath 3, the length direction of the reinforcing wires 9 is the same as that of the sleeve 11 or the power line 2, and the reinforcing wires are used for enhancing the resistance and stability of the sheath 3, reducing the bending degree of the photoelectric composite cable, enabling the sheath 3 not to be easily bent excessively to cause the optical fiber 1 and the power line 2 to be broken, and further enabling the quality of the photoelectric composite cable to be better guaranteed. Preferably, the reinforcing wire 9 is a carbon steel wire, and the high carbon steel wire has high strength, hardness, elastic limit and fatigue limit, and low cold plastic deformation capability, and can be used as a good reinforcing wire 9 to reinforce the deformation resistance and stability of the sheath 3, thereby ensuring the normal performance of the function of the reinforcing wire 9.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A novel photoelectric composite cable is characterized in that: the optical fiber sensor comprises an optical fiber (1), a sleeve (11) coated outside the optical fiber (1) and a power line (2), wherein a yarn binding layer (4) is coated outside the sleeve (11) and the power line (2), the sleeve (11) and the power line (2) are bound and fixed by the yarn binding layer (4), a water-resistant layer (5) is coated outside the yarn binding layer (4), and a sheath (3) is coated outside the water-resistant layer (5); a gap is formed between the outer wall of the water resisting layer (5) and the inner wall of the sheath (3).

2. The novel optical-electrical composite cable according to claim 1, wherein: the cross section of the outer wall of the waterproof layer (5) is circular, and the cross section of the inner wall of the sheath (3) is polygonal.

3. The novel optical-electrical composite cable according to claim 2, wherein: the cross section of the inner wall of the sheath (3) is triangular.

4. The novel optical-electrical composite cable according to claim 1, wherein: the protective sleeve is characterized in that a plurality of movable wires (7) are arranged in the length direction of the outer wall of the protective sleeve (3), a protective layer (6) is coated outside each movable wire (7), and each movable wire (7) can move between the protective sleeve (3) and the corresponding protective layer (6).

5. The novel optical-electrical composite cable according to claim 1, wherein: prick yarn layer (4) length direction in-connection and have spacing clamp (8), spacing clamp (8) are last to be seted up a plurality of spacing grooves (81) of matching in sleeve pipe (11) or power cord (2), sleeve pipe (11) and power cord (2) are inlayed and are located spacing groove (81).

6. The novel optical-electrical composite cable according to claim 5, wherein: the limiting clamps (8) are arranged in a plurality and are uniformly distributed in the yarn binding layer (4).

7. The novel optical-electrical composite cable according to claim 1, wherein: and a reinforcing wire (9) is arranged in the sheath (3) along the length direction thereof.

8. The novel optical-electrical composite cable according to claim 7, wherein: the reinforcing wire (9) is a high-carbon steel wire.

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