CN219642597U - Photoelectric hybrid cable - Google Patents
Photoelectric hybrid cable Download PDFInfo
- Publication number
- CN219642597U CN219642597U CN202223232599.0U CN202223232599U CN219642597U CN 219642597 U CN219642597 U CN 219642597U CN 202223232599 U CN202223232599 U CN 202223232599U CN 219642597 U CN219642597 U CN 219642597U
- Authority
- CN
- China
- Prior art keywords
- hybrid cable
- optical fiber
- fiber bundle
- protective layer
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000013307 optical fiber Substances 0.000 claims abstract description 41
- 239000011241 protective layer Substances 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 230000002787 reinforcement Effects 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000005693 optoelectronics Effects 0.000 claims abstract 4
- 229920006231 aramid fiber Polymers 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 4
- 239000004760 aramid Substances 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 2
- 229920003235 aromatic polyamide Polymers 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 5
- 229920000098 polyolefin Polymers 0.000 description 5
- 239000000779 smoke Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000283984 Rodentia Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Landscapes
- Communication Cables (AREA)
Abstract
The utility model relates to an optoelectronic hybrid cable comprising: the optical fiber bundle consists of a plurality of optical fibers; the inner protection layer is made of flame-retardant materials and wraps the periphery of the optical fiber bundle; the outer protective layer is wrapped on the periphery of the inner protective layer; the reinforcement is parallel to the optical fiber bundles of the optical fiber bundles and is arranged in the outer protection layer; the reinforcement includes an insulated wire and a steel wire, which are twisted with each other. According to the utility model, the multi-layer flame-retardant protective layer is arranged, so that the flame retardant performance is improved, and the bending performance is improved through the reinforcing piece arranged on the outer layer protective layer.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an optical-electrical hybrid cable.
Background
The optical-electrical hybrid cable is a hybrid cable integrating optical fibers and conductive copper wires, and can simultaneously solve the problems of data transmission and equipment power supply by using one cable.
The existing photoelectric hybrid cable is generally suitable for outdoor wiring, and when the cable is laid indoors, the flame retardant performance and the bending performance of the cable can not meet the indoor laying requirements.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art, and the flame retardant property and the bending property of the photoelectric hybrid cable are pertinently improved, so that the indoor layout requirement is met.
In order to solve the above technical problems, the present utility model provides an optical-electrical hybrid cable, including:
the optical fiber bundle consists of a plurality of optical fibers;
the inner protection layer is made of flame-retardant materials and wraps the periphery of the optical fiber bundle;
the outer protective layer is wrapped on the periphery of the inner protective layer;
the reinforcement is parallel to the optical fiber bundles of the optical fiber bundles and is arranged in the outer protection layer; the reinforcement includes an insulated wire and a steel wire, which are twisted with each other.
As a preferred mode of the present utility model, there are a plurality of the stiffeners, and the stiffener rings are provided around the optical fiber bundle.
As a preferred mode of the present utility model, at least two of the reinforcing members are symmetrically disposed on both sides of the optical fiber bundle.
As a preferable mode of the present utility model, the reinforcing members on both sides of the optical fiber bundle are respectively colored differently.
As a preferable mode of the present utility model, a copper conductor is provided in the insulated wire.
As a preferred mode of the present utility model, the outer side Zhou Jiaoge of the inner sheath is formed of aramid fiber.
As a preferable mode of the utility model, the outer periphery of the aramid fiber is wrapped with a middle protective layer.
As a preferable mode of the present utility model, the outer circumference of the middle protective layer is wrapped with an FRP tape.
As a preferable mode of the present utility model, a tear line is provided in the FRP tape, the tear line being parallel to the optical fiber bundle.
As a preferred mode of the present utility model, the tear cord is not aligned with the reinforcing member in the direction of the extension of the diameter of the optical fiber bundle.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the photoelectric hybrid cable, the multi-layer flame-retardant protective layer is arranged, so that the flame retardant performance is improved, and the bending performance is improved through the reinforcing piece arranged on the outer layer protective layer.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
Fig. 1 is a schematic cross-sectional view of an optical-electrical hybrid cable of the present utility model.
Fig. 2 is a schematic cross-sectional view of a strength member of an optical-electrical hybrid cable according to the present utility model.
Description of the specification reference numerals: 1. an optical fiber bundle; 11 optical fibers; 2. an inner protective layer; 3. an outer protective layer; 4. a reinforcing member; 41. an insulating wire; 42. a steel wire; 43. a copper conductor; 5. an aramid fiber; 6. a middle protective layer; 7. FRP belts; 8. tearing the rope.
Description of the embodiments
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1-2, an embodiment of an optical-electrical hybrid cable according to the present utility model is shown.
From the cross section direction of the photoelectric hybrid cable, the photoelectric hybrid cable comprises a plurality of layers, at least comprises an optical fiber bundle 1, an inner protection layer 2 and an outer protection layer 3, and a reinforcing piece 4 is arranged in the outer protection layer 3.
The optical fiber bundle 1 is composed of a plurality of optical fibers 11, and all the optical fibers 11 are solidified into a bundle by special resin through UV, so that the optical fiber bundle 1 has high density, light weight and convenient branching.
The inner protective layer 2 is made of flame-retardant materials and is wrapped on the periphery of the optical fiber bundle 1. The inner protective layer 2 is made of low-smoke halogen-free polyolefin. The optical fiber bundle 1 is coated with a low-smoke halogen-free polyolefin sheath with the thickness of 0.2mm, and the thin sheath layer has good bending performance and can better protect the optical fiber 11. The low smoke zero halogen polyolefin sheath has flame retardance and is important in indoor wiring flame retardance.
The outer protective layer 3 wraps the outer periphery of the inner protective layer 2, the outer protective layer 3 is made of high-density polyethylene, and the high-density polyethylene outer protective layer can further protect the optical fiber bundle 1 for outdoor access to a base station.
Referring to fig. 1-2, the reinforcing member 4 is disposed in the outer protective layer 3 in parallel with the optical fiber bundle 1. The reinforcement 4 includes an insulated wire 41 and a steel wire 42, and the insulated wire 41 and the steel wire 42 are twisted with each other. The insulated wire 41 and the steel wire 42 are twisted into a whole to serve as the optical cable reinforcement 4, so that tensile property can be provided, and the twisted structure optical cable is relatively soft and is convenient to lay.
Preferably, the number of the reinforcing members 4 is several, and the reinforcing members 4 are disposed around the optical fiber bundle 1 at equal intervals to provide uniform protection for the optical fiber bundle 1. Preferably, the number of the reinforcing members 4 is two, and the reinforcing members are symmetrically arranged at two sides of the optical fiber bundle 1.
Referring to fig. 2, the reinforcing members 4 on both sides of the optical fiber bundle 1 are respectively colored. The insulation wires 41 are divided into blue and red, so that red wires and zero wires can be conveniently distinguished, and the two wires are respectively arranged on two sides of the optical cable. A copper conductor 43 is provided in the insulating wire 41.
Between the inner sheath 2 and the outer sheath 3, a multilayer structure is further provided, which sequentially comprises, from inside to outside: aramid fiber 5, well sheath 6, FRP area 7, be equipped with in the FRP area 7 and tear rope 8.
The outer Zhou Jiaoge of the inner protective layer 2 is provided with aramid fibers 5, and the aramid fibers 5 can improve the tensile capacity of the optical cable.
The outer periphery of the aramid fiber 5 is wrapped with a middle protective layer 6, the middle protective layer 6 is made of low-smoke halogen-free polyolefin, and the low-smoke halogen-free polyolefin sheath has flame retardance and further protects the optical fiber bundle 1. The thickness of the middle protective layer 6 is greater than that of the inner protective layer 2.
The periphery of well sheath 6 is wrapped up in FRP area 7, FRP area 7 is the glass fiber material, can regard as the reinforcing material, improves the performance of cable, and FRP area 7 has the protection against rodents function, and after the cable was gnawed by the mouse, FRP area 7 can be broken, produces the injury to the mouse to stop gnawing of mouse to the cable.
A tearing rope 8 is arranged in the FRP band 7, and the tearing rope 8 is parallel to the optical fiber bundle 1. The tearing rope 8 is used for facilitating cable opening and convenient use on construction sites.
The tear-off line 8 is not aligned with the reinforcement 4 in the direction of extension of the diameter of the optical fiber bundle 1. Preferably, the connecting line of the reinforcement 4 is perpendicular to the connecting line of the tear cord 8.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. An opto-electric hybrid cable, comprising:
the optical fiber bundle consists of a plurality of optical fibers;
the inner protection layer is made of flame-retardant materials and wraps the periphery of the optical fiber bundle;
the outer protective layer is wrapped on the periphery of the inner protective layer;
the reinforcement is parallel to the optical fiber bundles of the optical fiber bundles and is arranged in the outer protection layer; the reinforcement includes an insulated wire and a steel wire, which are twisted with each other.
2. An optoelectronic hybrid cable according to claim 1 wherein there are a plurality of said strength members, said strength members being disposed around said bundle.
3. An optical-electrical hybrid cable according to claim 1, wherein at least two of the stiffeners are symmetrically disposed on either side of the fiber bundle.
4. A hybrid cable according to claim 3, wherein the reinforcing members on both sides of the optical fiber bundle are respectively colored differently.
5. An optoelectronic hybrid cable according to claim 1 wherein copper conductors are provided within the insulated wires.
6. The hybrid cable of claim 1, wherein the outer Zhou Jiaoge of the inner jacket comprises aramid.
7. The hybrid cable of claim 6, wherein the aramid fiber is surrounded by a middle sheath.
8. The hybrid cable of claim 7, wherein the outer periphery of the middle sheath is wrapped with FRP tape.
9. The hybrid cable of claim 8, wherein a tear cord is disposed within the FRP tape, the tear cord being parallel to the fiber bundle.
10. An optoelectronic hybrid cable according to claim 9 wherein the tear cord is not aligned with the strength member along the extension of the diameter of the bundle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223232599.0U CN219642597U (en) | 2022-12-02 | 2022-12-02 | Photoelectric hybrid cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223232599.0U CN219642597U (en) | 2022-12-02 | 2022-12-02 | Photoelectric hybrid cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219642597U true CN219642597U (en) | 2023-09-05 |
Family
ID=87812019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223232599.0U Active CN219642597U (en) | 2022-12-02 | 2022-12-02 | Photoelectric hybrid cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219642597U (en) |
-
2022
- 2022-12-02 CN CN202223232599.0U patent/CN219642597U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |