CN216212531U

CN216212531U - Photoelectric composite cable

Info

Publication number: CN216212531U
Application number: CN202121369241.5U
Authority: CN
Inventors: 马嘉旭; 王志辉; 彭立沙; 李楷东; 欧阳湘璋; 李楷纯; 刘杰; 黄万里
Original assignee: Guangzhou Nanyang Cable Group Co ltd
Current assignee: Guangzhou Nanyang Cable Group Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-04-05
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a photoelectric composite cable, which comprises a cable core and a cable core, wherein the cable core comprises a cable conductor, a conductor shielding layer, an insulating layer, an insulation shielding layer, a metal shielding layer and a first outer protective layer; the insulating shielding layer is attached to the insulating layer to play a role in protection; the metal shielding layer can conduct short-circuit current and induced current, and the power loss of the cable core in the transmission process is reduced; first outer jacket and second outer jacket can protect cable core and optical cable core, improve the waterproof, resistant ability such as resistant extrusion, stretch-proof and the resistance to wears of sinle silk. The photoelectric composite cable has better adaptability in the actual use environment, and can be widely applied to the technical field of cables.

Description

Photoelectric composite cable

Technical Field

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

Background

An optical cable is an electric energy or signal transmission device which is formed by stranding a plurality of wires or a plurality of groups of wires and organically combining the wires and optical fibers, and has the characteristics of internal electrification and external insulation. The existing optical cable has a single structure, is poor in waterproof, extrusion-resistant, insect-proof and ant-proof performance, and cannot be well adapted to complex and variable actual use environments. With the advance of the modernization process, the full load and the overload of a cable line become normal, and a plurality of existing optical cables slowly age, so that serious potential safety hazards exist. Therefore, in order to realize safe and stable optical-electrical transmission and satisfy the increasingly high requirements of the modern society for optical-electrical cable lines, the current optical-electrical cable structure needs to be improved.

SUMMERY OF THE UTILITY MODEL

To solve the above technical problems, the present invention aims to: the photoelectric composite cable is waterproof, extrusion-resistant, stretch-resistant, abrasion-resistant and insect-proof.

The technical scheme adopted by the utility model is as follows:

an optoelectrical composite cable comprising a cable core and an optical cable core, the cable core comprising:

a conductor shield layer;

a cable conductor coated by the conductor shield;

the insulating layer is arranged on one side, far away from the cable conductor, of the conductor shielding layer in a wrapping mode;

the insulating shielding layer is arranged on one side, far away from the conductor shielding layer, of the insulating layer in a wrapping mode;

the metal shielding layer is arranged on one side, far away from the insulating layer, of the insulating shielding layer in a wrapping mode;

the first outer protection layer is arranged on one side, far away from the insulating shielding layer, of the metal shielding layer in a coated mode;

the optical cable core comprises optical fibers and a second outer sheath coated outside the optical fibers.

Further, the metal shielding layer comprises a metal wire shielding layer and a metal belt shielding layer.

Further, the metal tape shielding layer is disposed between the metal wire shielding layer and the first outer jacket.

Further, a first wrapping cushion layer is arranged between the metal wire shielding layer and the insulating shielding layer.

Further, a second wrapping cushion layer is arranged between the metal belt shielding layer and the first outer protective layer.

Further, the photoelectric composite cable still includes enhancement sinle silk and third outer jacket, the third outer jacket sets up the cable core with the optical cable core outside, it is in to strengthen the sinle silk setting the third outer jacket is inboard.

Further, the reinforced wire core comprises a metal reinforced layer and a fourth outer protective layer coated outside the metal reinforced layer.

Further, the third outer protective layer is a metal interlocking layer or a stainless steel band.

Further, the inboard of third outer jacket is provided with the isolation layer, the isolation layer cladding cable core, cable core and strengthen the sinle silk.

The utility model has the beneficial effects that:

the photoelectric composite cable comprises a cable core and a cable core, wherein the cable core comprises a cable conductor, a conductor shielding layer, an insulating shielding layer, a metal shielding layer and a first outer protective layer; the metal shielding layer can conduct short-circuit current and induced current, reduce power loss of the cable core in the transmission process, and shield external electromagnetic interference, so that power transmission is more efficient and stable; compared with the prior art, the photoelectric composite cable is safer and more stable, and has better adaptability in actual use environment.

Drawings

Fig. 1 is a schematic structural diagram of a photoelectric composite cable according to the present invention.

Reference numerals: 101. a cable conductor; 102. a conductor shield layer; 103. an insulating layer; 104. an insulating shield layer; 105. a first wrapping cushion layer; 106. a metal wire shielding layer; 107. a metal tape shielding layer; 108. a second wrapping cushion layer; 109. a first outer jacket layer; 110. an optical fiber; 111. a second outer protective layer; 112. a metal reinforcing layer; 113. a fourth outer protective layer; 114. an isolation layer; 115. and a third outer jacket.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, and the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood to exclude the essential numbers. If there is a description to first, second, third etc. for the purpose of distinguishing between technical features, it is not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated or to implicitly indicate the precedence of technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, the present application provides an optical-electrical composite cable, a cable core and an optical cable core, where the cable core includes:

a conductor shield layer 102;

a cable conductor 101, the cable conductor 101 being coated with the conductor shield layer 102;

the insulating layer 103 is arranged on one side of the conductor shielding layer 102 far away from the cable conductor 101 in a coating mode;

the insulating shielding layer 104 is arranged on one side, far away from the conductor shielding layer 102, of the insulating layer 103 in a wrapping mode;

the metal shielding layer is arranged on one side, far away from the insulating layer 103, of the insulating shielding layer 104 in a wrapping mode;

the first outer protection layer 109 is coated on one side of the metal shielding layer, which is far away from the insulating shielding layer 104;

the optical cable core includes an optical fiber 110 and a second outer sheath 111 covering the outside of the optical fiber 110.

The cable conductor 101 can be formed by twisting high-quality aluminum wires or copper wires and other conductive materials and is used for transmitting power;

the conductor shielding layer 102 is used for isolating the cable conductor 101 from the insulating layer 103 and reducing adverse reactions such as partial discharge and the like;

the insulating layer 103 is used for insulating water and oxygen, preventing the cable conductor 101 from generating electric leakage or being oxidized, and simultaneously enhancing the mechanical strength of a cable core and prolonging the service life;

the insulating shielding layer 104 is used for protecting the insulating layer 103 and preventing the insulating layer 103 from being damaged due to direct contact with the metal shielding layer;

the metal shielding layer is used for conducting short-circuit current and induced current, reducing current loss in the transmission process of the optical cable and shielding external electromagnetic interference;

the first outer protective layer 109 is used for protecting the cable core and improving the waterproof, weather-proof, extrusion-resistant, tensile-resistant, abrasion-resistant and other performances of the cable core;

an optical fiber 110 made of a high-quality anti-attenuation material, such as glass fiber, for transmitting an optical signal;

and the second outer protective layer 111 is used for protecting the cable core and improving the waterproof, weather-proof, extrusion-resistant, tensile-resistant, abrasion-resistant and other performances of the cable core.

Referring to fig. 1, as an alternative embodiment, the metal shielding layer includes a metal wire shielding layer 106 and a metal tape shielding layer 107.

The functions of the metal wire shielding layer 106 and the metal tape shielding layer 107 are the same as those of the metal shielding layer, and are not described again.

Referring to fig. 1, as an alternative embodiment, the metal tape shield 107 is disposed between the metal wire shield 106 and the first outer sheath 109.

The metal tape shielding layer 107 is wound around the outer side of the metal wire shielding layer 106 at intervals and used for fastening and fixing the metal wire shielding layer 106.

Referring to fig. 1, as an alternative embodiment, a first wrapping pad layer 105 is disposed between the wire shielding layer 106 and the insulation shielding layer 104.

Wherein, first around covering bed course 105, by semi-conductive buffer tape material composition for keep apart insulating shield 104 and wire shielding layer 106, prevent that insulating shield 104 from being damaged by the pressure, can also be used for waterproof simultaneously.

Referring to fig. 1, as an alternative embodiment, a second wrapping pad layer 108 is disposed between the metal tape shielding layer 107 and the first outer sheath 109.

The second wrapping pad layer 108 is used for isolating the first outer protective layer 109 from the metal tape shielding layer 107, and is also used for waterproofing.

Referring to fig. 1, as an alternative embodiment, the optical-electrical composite cable further includes a reinforced core and a third outer sheath 115, where the third outer sheath 115 is disposed outside the cable core and the optical cable core, and the reinforced core is disposed inside the third outer sheath 115.

The reinforced wire core is used for bearing the longitudinal tension of the photoelectric composite cable and preventing the mechanical damage of the inner structure of the photoelectric composite cable caused by the tension;

and the third outer protective layer 115 is used for bearing extrusion and abrasion of the external environment on the photoelectric composite cable.

Referring to fig. 1, as an alternative embodiment, the reinforced wire core includes a metal reinforcing layer 112 and a fourth outer sheath 113 covering the outside of the metal reinforcing layer 112.

The metal reinforcing layer 112 is formed by twisting metal-plated steel wires, and the function of the metal reinforcing layer is the same as that of the reinforcing wire core, so that the description is omitted;

and the fourth outer protective layer 113 is used for protecting the reinforced wire core and improving the waterproof, weather-proof, extrusion-resistant, tensile-resistant, abrasion-resistant and other performances of the reinforced wire core.

Referring to fig. 1, as an alternative embodiment, the third outer sheath 115 is a metal interlock layer or a stainless steel band.

Referring to fig. 1, as an alternative embodiment, an isolation layer 114 is disposed inside the third outer sheath 115, and the isolation layer 114 covers the cable core, the optical cable core and the reinforcement core.

The isolation layer 114 is made of a foam material (e.g., foamed polyolefin) and is used for isolating the core (including the cable core, the optical cable core, and the reinforcing core) from the third outer sheath 115, preventing the core from being worn by the third outer sheath 115, and fixing the core.

In summary, the photoelectric composite cable of the present invention has the following advantages:

(1) the mechanical damage to the wire core can be effectively reduced. Through setting up first outer jacket 109, second outer protective layer 111, third outer jacket 115 and fourth outer protective layer 113 that have good mechanical properties, waterproof performance, weatherability, still be provided with isolation layer 114 in third outer jacket 115 inboard simultaneously, isolation layer 114 parcel first outer jacket 109, second outer protective layer 111 and fourth outer protective layer 113, effectively protected the inside sinle silk structure of photoelectricity composite cable, improve its performances such as waterproof, resistant time, resistant extrusion, stretch-proofing and resistance to wear.

(2) The stability and the safety of power transmission can be improved, and the loss of power in the transmission process can be reduced. The cable core comprises a cable conductor 101, a conductor shielding layer 102, an insulating layer 103, an insulating shielding layer 104, a first wrapping cushion layer 105, a metal wire shielding layer 106, a metal belt shielding layer 107, a second wrapping cushion layer 108 and a first outer protective layer 109, the conductor insulating layer can effectively isolate the cable conductor and the insulating layer, adverse reactions such as partial discharge and the like are avoided, meanwhile, the metal wire shielding layer 106 and the metal belt shielding layer 107 can shield electromagnetic interference outside the cable core, and the stability and the safety of power transmission are improved; the metal shielding layer can conduct short-circuit current and induced current, and reduces power loss of the cable core in the transmission process.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. The utility model provides a photoelectric composite cable which characterized in that, includes the cable core, strengthens sinle silk and optical cable core, the cable core includes:

a conductor shield layer;

a cable conductor coated by the conductor shield;

the reinforced wire core comprises a metal reinforced layer and a fourth outer protective layer coated outside the metal reinforced layer;

2. The optoelectrical composite cable of claim 1, wherein the metallic shielding layer comprises a metallic wire shielding layer and a metallic tape shielding layer.

3. The optical-electrical composite cable of claim 2, wherein the metallic tape shield is disposed between the metallic wire shield and the first outer jacket.

4. The photoelectric composite cable of claim 3, wherein a first wrapping cushion layer is arranged between the metal wire shielding layer and the insulating shielding layer.

5. The photoelectric composite cable of claim 4, wherein a second wrapping pad layer is disposed between the metal tape shielding layer and the first outer sheath.

6. The optical-electrical composite cable according to any one of claims 1 to 5, further comprising a third outer sheath, wherein the third outer sheath is disposed outside the cable core, the reinforcement core and the optical cable core, and the reinforcement core is disposed inside the third outer sheath.

7. The photoelectric composite cable of claim 6, wherein the third outer sheath is a metal interlock layer or a stainless steel band.

8. The photoelectric composite cable of claim 6, wherein an isolation layer is disposed on an inner side of the third outer sheath, and the isolation layer covers the cable core, the cable core and the reinforcement core.