CN216161488U - Self-supporting photoelectric composite cable - Google Patents
Self-supporting photoelectric composite cable Download PDFInfo
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- CN216161488U CN216161488U CN202121614281.1U CN202121614281U CN216161488U CN 216161488 U CN216161488 U CN 216161488U CN 202121614281 U CN202121614281 U CN 202121614281U CN 216161488 U CN216161488 U CN 216161488U
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Abstract
The utility model relates to the technical field of photoelectric composite cables, in particular to a self-supporting photoelectric composite cable which can meet the environmental requirements better than a conventional photoelectric composite cable, can ensure the service time under severe environmental conditions, is favorable for saving the maintenance cost and improving the practicability; including the optical cable reinforcement, the electric wire, the yarn that blocks water, optical cable sheath and two sets of optical fiber unit, a set of electric wire and two sets of optical fiber unit transposition, the yarn that blocks water is installed in the outer end of the photoelectric composite cable of transposition, optical cable sheath suit is in the outer end of the yarn that blocks water, optical cable reinforcement fixed mounting is on the optical cable sheath, optical fiber unit includes threaded steel pipe, glass yarn, optic fibre and low smoke and zero halogen sheath, low smoke and zero halogen sheath suit is on the optic fibre, the outer end at low smoke and zero halogen sheath is twined to the glass yarn, threaded steel pipe suit is on low smoke and zero halogen sheath.
Description
Technical Field
The utility model relates to the technical field of photoelectric composite cables, in particular to a self-supporting photoelectric composite cable.
Background
The structure of self-supporting photoelectric hybrid cable at present is simple, and most of them are singly protected and are added one deck steel band or aluminium strip armor, only are applicable to good environment of laying, are not suitable for comparatively abominable complicated environment, for example remote mountain area, tunnel, places such as old urban area, and the ponding, collapse, phenomenons such as rat rampant may appear in above-mentioned environment, and current photoelectric hybrid cable can not satisfy above-mentioned complicated environment's requirement completely.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the self-supporting photoelectric composite cable which can adapt to environmental requirements better than the conventional photoelectric composite cable, can ensure the service time under severe environmental conditions, is favorable for saving the maintenance cost and improves the practicability.
The utility model discloses a self-supporting photoelectric composite cable which comprises an optical cable reinforcing piece, electric wires, water blocking yarns, an optical cable sheath and two groups of optical fiber units, wherein one group of the electric wires are twisted with the two groups of the optical fiber units, the water blocking yarns are arranged at the outer ends of the twisted photoelectric composite cable, the optical cable sheath is sleeved at the outer ends of the water blocking yarns, the optical cable reinforcing piece is fixedly arranged on the optical cable sheath, the optical fiber units comprise threaded steel pipes, glass yarns, optical fibers and low-smoke zero-halogen sheaths, the low-smoke zero-halogen sheaths are sleeved on the optical fibers, the glass yarns are wound at the outer ends of the low-smoke zero-halogen sheaths, and the threaded steel pipes are sleeved on the low-smoke zero-halogen sheaths.
The self-supporting photoelectric composite cable further comprises aramid yarns, the aramid yarns are wound on the photoelectric composite cable formed by twisting a group of electric wires and two groups of optical fiber units, and the water blocking yarns are wound at the outer ends of the aramid yarns.
According to the self-supporting photoelectric composite cable, two groups of glass yarns are used as fillers in the threaded steel pipe.
According to the self-supporting photoelectric composite cable, the optical cable reinforcing part adopts 0.4 multiplied by 7 galvanized steel stranded wires.
According to the self-supporting photoelectric composite cable, the optical fiber adopts the 0.6mm tight-sleeved optical fiber as an optical unit.
According to the self-supporting photoelectric composite cable, the threaded steel pipe is 1.8mm in size and made of stainless steel wires.
According to the self-supporting photoelectric composite cable, the optical cable sheath is made of black HDPE.
Compared with the prior art, the utility model has the beneficial effects that: the optical cable reinforcing part plays a bearing role on the photoelectric composite cable, the optical fiber unit is provided with a steel pipe structure, the steel belt wrapping armor layer with a certain rat-proof effect has better mechanical performance, can meet various complex environments laid by households, is used for FTTH network lead-in wiring, and has the advantages of excellent rat-proof capability and small size; compared with the conventional photoelectric composite cable, the photoelectric composite cable can be more suitable for environmental requirements, can ensure the service time under severe environmental conditions, is favorable for saving the maintenance cost, adopts water-blocking yarns as water-blocking materials, is simpler and easier than a water-blocking tape winding or longitudinal wrapping cabling process, increases the waterproof effect of the photoelectric composite cable, and improves the practicability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional structure of the present invention;
in the drawings, the reference numbers: 1. a cable strength member; 2. an electric wire; 3. aramid yarn; 4. a threaded steel pipe; 5. glass yarn; 6. an optical fiber; 7. a low smoke zero halogen sheath; 8. water-blocking yarn; 9. an optical cable jacket.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 2, the self-supporting photoelectric composite cable of the present invention includes an optical cable reinforcement 1, an electric wire 2, a water-blocking yarn 8, an optical cable sheath 9, and two sets of optical fiber units, wherein one set of electric wire 2 is twisted with the two sets of optical fiber units, the water-blocking yarn 8 is installed at an outer end of the twisted photoelectric composite cable, the optical cable sheath 9 is sleeved at an outer end of the water-blocking yarn 8, the optical cable reinforcement 1 is fixedly installed on the optical cable sheath 9, the optical fiber units include a threaded steel tube 4, a glass yarn 5, an optical fiber 6, and a low-smoke zero-halogen sheath 7, the low-smoke zero-halogen sheath 7 is sleeved on the optical fiber 6, the glass yarn 5 is wound at an outer end of the low-smoke zero-halogen sheath 7, and the threaded steel tube 4 is sleeved on the low-smoke zero-halogen sheath 7; the optical cable reinforcement part 1 plays a bearing role on the photoelectric composite cable, the optical fiber unit is provided with a steel pipe structure, a steel belt wrapping armor layer with a certain rat-proof effect has better mechanical performance, can meet various complex environments laid by households, is used for FTTH network lead-in wiring, and has the advantages of excellent rat-proof capability and small size; compared with the conventional photoelectric composite cable, the photoelectric composite cable can be more suitable for environmental requirements, can ensure the service time under severe environmental conditions, is favorable for saving the maintenance cost, adopts the water-blocking yarn 8 as a water-blocking material, is simpler and easier than a water-blocking tape winding or longitudinal wrapping cabling process, increases the waterproof effect of the photoelectric composite cable, and improves the practicability.
As the optimization of the above embodiment, the cable comprises an optical cable reinforcement 1, an electric wire 2, a water blocking yarn 8, an optical cable sheath 9 and two groups of optical fiber units, wherein the group of electric wire 2 is stranded with the two groups of optical fiber units, the water blocking yarn 8 is arranged at the outer end of the stranded photoelectric composite cable, the optical cable sheath 9 is sleeved at the outer end of the water blocking yarn 8, the optical cable reinforcement 1 is fixedly arranged on the optical cable sheath 9, the optical fiber units comprise a threaded steel pipe 4, a glass yarn 5, an optical fiber 6 and a low-smoke halogen-free sheath 7, the low-smoke halogen-free sheath 7 is sleeved on the optical fiber 6, the glass yarn 5 is wound at the outer end of the low-smoke halogen-free sheath 7, and the threaded steel pipe 4 is sleeved on the low-smoke halogen-free sheath 7; the cable is characterized by further comprising aramid yarns 3, wherein the aramid yarns 3 are wound on a group of photoelectric composite cables formed by twisting the electric wires 2 and the two groups of optical fiber units, and water-blocking yarns 8 are wound at the outer ends of the aramid yarns 3; through the arrangement, the aramid yarn 3 has a filling effect on gaps between the photoelectric composite cable formed by twisting the group of wires 2 and the two groups of optical fiber units and the water-blocking yarn 8, so that the mechanical performance of the photoelectric composite cable is improved, and the aramid yarn has special performances of small density, very high tensile modulus, high breaking strength, low breaking elongation and the like; the composite photoelectric cable can keep inherent stability, very low shrinkage, low creep and very high glass transition temperature at higher temperature, has higher corrosion resistance and non-conductivity, has stronger chemical resistance except strong acid and strong alkali, increases the effect of transmitting photoelectric signals of the photoelectric composite cable, and improves the practicability.
Preferably, two groups of glass yarns 5 are adopted as fillers in the threaded steel pipe 4; through the setting, the glass yarn has the excellent properties of not burning, corrosion-resistant, high temperature resistant, extension little, chemical stability etc. and relative aramid yarn cost has great advantage, has certain protection against rodents effect moreover, increases optical signal's transport effect, improves the practicality.
As a preference of the above embodiment, the optical cable strength member 1 employs 0.4 × 7 galvanized steel stranded wires; through the arrangement, the galvanized steel strand can ensure good mechanical performance while ensuring the corrosion resistance, the effect of transmitting photoelectric signals of the photoelectric composite cable is improved, and the practicability is improved.
As a preference of the above embodiment, the optical fiber 6 employs a 0.6mm tight-buffered optical fiber as an optical unit; through the arrangement, the size is small, meanwhile, good optical transmission performance is guaranteed, the effect of conveying photoelectric signals of the photoelectric composite cable is improved, and the practicability is improved.
In the above embodiment, the threaded steel pipe 4 is preferably 1.8mm in size and made of stainless steel wire; through above setting, increase the mechanical properties of photoelectric composite cable, have outstanding protection against rodents ability and small advantage, improve the practicality.
As a preference for the above embodiment, the cable sheath 9 is made of black HDPE; through the arrangement, the HDPE has good wear resistance, electrical insulation, toughness and cold resistance; the chemical stability is good, and the paint is not dissolved in any organic solvent at room temperature, and is resistant to corrosion of acid, alkali and various salts; the film has small permeability to water vapor and air and low water absorption, the optical cable sheath 9 adopts black HDPE, the requirements of severe environments such as outdoor pipelines and overhead laying can be met, the effect of transmitting photoelectric signals of the photoelectric composite cable is improved, and the practicability is improved.
According to the self-supporting photoelectric composite cable, during working, the optical cable reinforcing part 1 plays a role in bearing the photoelectric composite cable, the optical fiber unit is provided with the steel pipe structure, the steel belt wrapping armor layer with a certain rat-proof effect has better mechanical performance, various complex environments laid by households can be met, and the self-supporting photoelectric composite cable is used for FTTH network lead-in wiring and has the advantages of excellent rat-proof capability and small size; compared with the conventional photoelectric composite cable, the photoelectric composite cable can be more suitable for environmental requirements, can ensure the service time under severe environmental conditions, and is favorable for saving the maintenance cost.
According to the self-supporting photoelectric composite cable, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the self-supporting photoelectric composite cable can be implemented as long as the beneficial effects of the self-supporting photoelectric composite cable are achieved; the optical fiber 6 of the self-supporting photoelectric composite cable is purchased from the market, and the technical personnel in the industry only need to install and operate according to the attached operating instruction.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a self-supporting photoelectric composite cable, its characterized in that includes optical cable reinforcement (1), electric wire (2), blocks water yarn (8), optical cable sheath (9) and two sets of optical fiber unit, and is a set of electric wire (2) and two sets of optical fiber unit transposition, the outer end at the photoelectric composite cable of transposition is installed in yarn (8) that blocks water, optical cable sheath (9) suit is in the outer end that blocks water yarn (8), optical cable reinforcement (1) fixed mounting is on optical cable sheath (9), optical fiber unit includes threaded steel pipe (4), glass yarn (5), optic fibre (6) and low smoke and zero halogen sheath (7), low smoke and zero halogen sheath (7) suit is on optic fibre (6), glass yarn (5) twines the outer end at low smoke and zero halogen sheath (7), threaded steel pipe (4) suit is on low smoke and zero halogen sheath (7).
2. The self-supporting optical-electrical composite cable according to claim 1, further comprising an aramid yarn (3), wherein the aramid yarn (3) is wound around the optical-electrical composite cable in which one set of wires (2) and two sets of optical fiber units are twisted, and the water-blocking yarn (8) is wound around the outer end of the aramid yarn (3).
3. A self-supporting optical-electrical composite cable according to claim 1, characterized in that two sets of glass yarns (5) are used as fillers in the threaded steel tube (4).
4. A self-supporting optical-electrical composite cable according to claim 1, wherein the cable strength member (1) is 0.4 x 7 galvanized stranded wire.
5. A self-supporting optical-electrical composite cable according to claim 1, wherein the optical fibers (6) use 0.6mm tight-buffered optical fibers as optical units.
6. The self-supporting optical-electrical composite cable according to claim 1, wherein the threaded steel tube (4) has a size of 1.8mm and is made of stainless steel wire.
7. A self-supporting optical-electrical composite cable according to claim 1, characterized in that the cable sheath (9) is made of black HDPE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614281.1U CN216161488U (en) | 2021-07-14 | 2021-07-14 | Self-supporting photoelectric composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614281.1U CN216161488U (en) | 2021-07-14 | 2021-07-14 | Self-supporting photoelectric composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216161488U true CN216161488U (en) | 2022-04-01 |
Family
ID=80836340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121614281.1U Active CN216161488U (en) | 2021-07-14 | 2021-07-14 | Self-supporting photoelectric composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216161488U (en) |
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2021
- 2021-07-14 CN CN202121614281.1U patent/CN216161488U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 264200 No. 1, Longwei Road, Longshan office, Wendeng District, Weihai City, Shandong Province Patentee after: HONGAN GROUP Co.,Ltd. Address before: 264200 No. 1, Hengshan Road, Longshan office, Wendeng District, Weihai City, Shandong Province Patentee before: HONGAN GROUP Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |