CN216487452U - Photoelectric composite cable - Google Patents

Abstract

The utility model relates to a photoelectric composite cable which comprises an optical unit, an electric unit and a sheath layer, wherein the electric unit comprises two fan-shaped cross-section conductors which are arranged on two sides of the optical unit in a mirror symmetry mode, the fan-shaped surfaces of the fan-shaped cross-section conductors are attached to the outer peripheral surface of the optical unit, the sheath layer covers the peripheries of the optical unit and the electric unit, and the optical unit and the sheath layer separate the two fan-shaped cross-section conductors in an insulating mode. The optical unit and the electric unit are integrated, so that the overall occupied space of the optical cable is reduced, the optical unit and the electric unit can be completely stripped by stripping the cable once, and the laying is convenient; set up the electrical unit shape and be fan-shaped cross section conductor, make electrical unit and the setting of closely laminating of optical unit periphery, further reduced the occupation space of optical unit and electrical unit on the one hand, on the other hand passes through the cladding of fan-shaped cross section conductor in the both sides of optical unit, can play certain guard action to the optical unit.

Description

Photoelectric composite cable

Technical Field

The utility model relates to the technical field of optical cable structure design, in particular to a photoelectric composite cable.

Background

For many indoor and outdoor terminal devices (such as cameras, home gateways, industrial gateways and the like), the devices are usually small in size and low in energy consumption, and the power requirements of the devices can be met by adopting low-voltage direct current power supply. If the communication and the power supply of the terminal equipment are connected respectively by adopting the optical cable and the cable, the secondary laying and routing are troublesome, the occupied space is large, the appearance is influenced, and the like, especially for some terminal equipment access points which are difficult to take power, therefore, the photoelectric composite cable has more advantages, such as convenient laying, small occupied space, simplified interfaces and the like, and the photoelectric composite cable is matched with the photoelectric composite connector, so that the equipment interfaces can be simplified, and the photoelectric connection can be completed by once plugging.

Referring to fig. 1, the photoelectric composite cable of the prior art is 8-shaped or butterfly-shaped, the optical unit is arranged at the central position, the electric unit is embedded in the sheath layer at the two sides of the optical unit, the structural optical unit and the electric unit are separately arranged, the optical unit and the electric unit need to be taken out by respectively stripping the cable when in use, construction is inconvenient, and a protection structure is lacked at the outer side of the optical unit, the optical unit is easily damaged, meanwhile, the 8-shaped or butterfly-shaped structure is fixed relative to the circular structure in the bending direction, and bending in multiple angles and directions cannot be realized.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the present invention is to overcome the defects of the optical-electrical composite cable structure in the prior art, and provide an optical-electrical composite cable, in which an optical unit and an electrical unit are integrally arranged, so that the overall occupied space of the optical cable is reduced, the optical unit and the electrical unit can be completely peeled off by peeling the cable once, the laying is convenient, and the electrical unit is arranged at the periphery of the optical unit, so that the optical unit can be protected to a certain extent.

In order to solve the technical problem, the utility model provides a photoelectric composite cable which comprises an optical unit, an electric unit and a sheath layer, wherein the electric unit comprises two fan-shaped cross-section conductors which are arranged on two sides of the optical unit in a mirror symmetry mode, the fan-shaped surfaces of the fan-shaped cross-section conductors are attached to the outer peripheral surface of the optical unit, the sheath layer is coated on the peripheries of the optical unit and the electric unit, and the optical unit and the sheath layer are used for insulating and separating the two fan-shaped cross-section conductors.

In an embodiment of the present invention, the two conductors with the fan-shaped cross section are positive and negative leads, respectively, and an identification structure is disposed on the sheath layer on a side corresponding to one conductor with the fan-shaped cross section.

In one embodiment of the utility model, the identification feature is a groove having a depth of no more than 0.3 mm.

In one embodiment of the utility model, the identification structure is a bump, and the protruding length of the bump is not more than 0.3 mm.

In one embodiment of the utility model, the identification structure is an identification color bar embedded in the sheath layer, and the width of the identification color bar is not more than 1.0 mm.

In one embodiment of the utility model, the fan-shaped section conductor is formed by pressing and combining two sets of roller devices.

In one embodiment of the utility model, the minimum spacing between two sector-section conductors is not less than 0.5 mm.

In one embodiment of the utility model, the optical unit is a tight-buffered optical fiber including an optical fiber and a buffer protection layer tightly wrapped around the optical fiber.

In one embodiment of the present invention, the buffer protection layer is made of one of low smoke halogen-free polyolefin, polyvinyl chloride, nylon, and polyester elastomer.

In one embodiment of the utility model, the sheath layer is made of a flame retardant thermoplastic material.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

according to the photoelectric composite cable, the optical unit and the electric unit are integrally arranged, so that the overall occupied space of the optical cable is reduced, the optical unit and the electric unit can be completely stripped by stripping the cable once, and the laying is convenient; set up the electrical unit shape and be fan-shaped cross section conductor, make electrical unit and the setting of closely laminating of optical unit periphery, further reduced the occupation space of optical unit and electrical unit on the one hand, on the other hand passes through the cladding of fan-shaped cross section conductor in the both sides of optical unit, can play certain guard action to the optical unit to through optical unit and restrictive coating with two fan-shaped cross section conductor insulation separation, prevent electromagnetic interference between two fan-shaped cross section conductors.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic structural view of a prior art optical-electrical composite cable;

fig. 2 is a schematic view of the overall structure of the optical-electrical composite cable of the present invention;

FIG. 3 is a schematic view of a grooved structure of the optical/electrical composite cable sheath of the present invention;

fig. 4 is a schematic structural diagram of the sheath of the optical/electrical composite cable with bumps according to the present invention.

FIG. 5 is a schematic structural view of the sheath of the photoelectric composite cable with the identification color bar

The specification reference numbers indicate: 1. a light unit; 2. an electrical unit; 3. a sheath layer; 4. the structure is identified.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.

Referring to fig. 2, the photoelectric composite cable of the present invention includes an optical unit 1, an electrical unit 2 and a sheath layer 3, where the electrical unit 2 includes two sector-shaped cross-section conductors arranged at two sides of the optical unit 1 in a mirror symmetry manner, a sector surface of the sector-shaped cross-section conductor is attached to an outer peripheral surface of the optical unit 1, the sheath layer 3 covers peripheries of the optical unit 1 and the electrical unit 2, and the optical unit 1 and the sheath layer 3 insulate and separate the two sector-shaped cross-section conductors;

the photoelectric composite cable realizes photoelectric composite connection of communication terminal equipment, meets the communication and power supply requirements of the equipment, integrates the optical unit 1 and the electric unit 2, reduces the overall occupied space of the optical cable, can completely strip the optical unit 1 and the electric unit 2 by stripping the cable once, and is convenient to lay; the shape of the electric unit 2 is a fan-shaped section conductor, so that the electric unit 2 is tightly attached to the periphery of the optical unit 1, the combination of the special-shaped conductor and the optical unit 1 is utilized to the maximum extent, on one hand, the occupied space of the optical unit 1 and the electric unit 2 is further reduced, the outer diameter of the composite cable is reduced, on the other hand, the fan-shaped section conductor covers the two sides of the optical unit 1, a certain protection effect can be achieved on the optical unit 1, and the two fan-shaped section conductors are isolated through the optical unit 1 and the sheath layer 3, so that the electromagnetic interference between the two fan-shaped section conductors is prevented; and compared with a flat structure, the round structure has no directivity during bending, and is convenient for multi-corner laying and winding storage.

Specifically, in actual use, the two conductors with the fan-shaped cross sections are respectively positive and negative leads, and are respectively connected with the positive and negative electrodes of the equipment, so that in order to distinguish the two conductors with the fan-shaped cross sections, the sheath layer 3 on the side corresponding to one conductor with the fan-shaped cross section is provided with the identification structure 4.

Referring to fig. 3, the identification structure 4 is a groove, and the depth of the groove is not more than 0.3 mm.

Referring to fig. 4, the mark structure 4 is a bump, and the protruding length of the bump is not greater than 0.3 mm.

Referring to fig. 5, the identification structure 4 is an identification color bar embedded in the sheath layer 3, and the width of the identification color bar is not greater than 1.0 mm.

Specifically, the fan-shaped cross section conductor in this embodiment adopts two sets of roller device combination compression molding, and first set of roller device becomes the flat strip with circular conductor die casting, reentries second set roller device after the flat strip shaping, becomes fan-shaped conductor through fixed runner location and die-casting roller die set with flat strip conductor die casting, and two fan-shaped conductor cladding directly get into mould extrusion moulding after the light unit outside, in order to prevent the volatility of interval between the conductor, adopt the deviation that the step of integrated into one piece direct extrusion molding avoided adjusting caused.

Specifically, in order to prevent electromagnetic disturbance between two sectorial cross-section conductors, the minimum pitch between the two sectorial cross-section conductors is not less than 0.5 mm.

In this embodiment, optical unit 1 is tight set optic fibre, tight set optic fibre includes optic fibre and the buffer protection layer of tightly wrapping outside optic fibre, buffer protection layer is made by one of them material of low smoke and zero halogen polyolefin, polyvinyl chloride, nylon, polyester elastomer, buffer protection layer can block water and resistance to compression protection to optic fibre.

Specifically, the sheath layer 3 is made of low-smoke halogen-free polyolefin, polyvinyl chloride and other flame-retardant thermoplastic materials, so that the composite whole has certain flame retardance and conductor insulation functions, and meanwhile, the composite whole also has better ultraviolet resistance and cracking resistance if applied outdoors.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.

Claims (10)

1. The utility model provides a photoelectric composite cable, includes optical unit, electric unit and restrictive coating, its characterized in that: the electric unit includes that mirror symmetry sets up two fan-shaped cross section conductors in the optical unit both sides, the sector and the laminating of optical unit outer peripheral face of fan-shaped cross section conductor set up, the restrictive coating cladding is in the periphery of optical unit and electric unit, optical unit and restrictive coating will two fan-shaped cross section conductor is insulating to be separated.

2. The optical-electrical composite cable according to claim 1, wherein: and the two fan-shaped section conductors are respectively positive and negative leads, and an identification structure is arranged on the sheath layer on one side corresponding to one fan-shaped section conductor.

3. The optical-electrical composite cable according to claim 2, wherein: the mark structure is a groove, and the depth of the groove is not more than 0.3 mm.

4. The optical-electrical composite cable according to claim 2, wherein: the identification structure is a salient point, and the protruding length of the salient point is not more than 0.3 mm.

5. The optical-electrical composite cable according to claim 2, wherein: the identification structure is an identification color strip embedded in the sheath layer, and the width of the identification color strip is not more than 1.0 mm.

6. The optical-electrical composite cable according to claim 1, wherein: the sector-section conductor is formed by pressing two groups of roller devices in a combined mode.

7. The optical-electrical composite cable according to claim 1, wherein: the minimum distance between two fan-shaped section conductors is not less than 0.5 mm.

8. The optical-electrical composite cable according to claim 1, wherein: the optical unit is a tight-buffered optical fiber which comprises an optical fiber and a buffer protective layer tightly wrapped outside the optical fiber.

9. The optical-electrical composite cable according to claim 8, wherein: the buffer protection layer is made of one of low-smoke halogen-free polyolefin, polyvinyl chloride, nylon and polyester elastomer.

10. The optical-electrical composite cable according to claim 1, wherein: the sheath layer is made of a flame-retardant thermoplastic material.

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