CN211125081U - Armored photoelectric composite cable - Google Patents
Armored photoelectric composite cable Download PDFInfo
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- CN211125081U CN211125081U CN201922386166.2U CN201922386166U CN211125081U CN 211125081 U CN211125081 U CN 211125081U CN 201922386166 U CN201922386166 U CN 201922386166U CN 211125081 U CN211125081 U CN 211125081U
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Abstract
The utility model discloses an armor photoelectric composite cable, including the cable core and cladding in proper order the inner sheath, armor and the outer sheath outside the cable core, the cable core includes the optical unit who sets up in central point, the optical unit outside is provided with and regards optical unit as the center, along the electric unit of optical unit extending direction transposition in its periphery, optical unit includes a plurality of optic fibres, cladding in proper order the loose sleeve pipe, enhancement layer and the optical unit sheath outside the optic fibre; the armor layer comprises a plurality of armor steel wires, and the armor steel wires are stranded on the periphery of the cable core along the extending direction of the cable core. The utility model discloses separately set up light unit and electric unit independently, adopt the electric unit transposition to set up in the outside of light unit, the electric unit has formed the protective layer to the light unit to light unit self is provided with enhancement layer and light unit protective layer, and when light unit and electric unit were used independently, light unit self enhancement layer and light unit protective layer can play certain guard action to the optic fibre.
Description
Technical Field
The utility model relates to an optical cable manufacturing field, concretely relates to armor photoelectric composite cable.
Background
With the continuous deepening of the construction of the Chinese network, the research and development of novel optical cables are promoted to meet the requirements of the environment requirement, the line safety, the convenience in maintenance and the like brought forward by the market.
According to the research on the market, the structure of the photoelectric mixed cable at the present stage is simple, most of cables are singly protected and are armored by a layer of steel belt or aluminum belt, the cable is only suitable for a good laying environment and is not suitable for severe and complex environments, such as remote mountainous areas, tunnels, old urban areas and the like, the environments can be ponding, collapse, rats and the like, and the existing photoelectric mixed cable cannot completely meet the requirements of the complex environments.
Moreover, the existing photoelectric composite cable has the following disadvantages:
1. all adopt light unit and electric unit transposition setting, because light unit and electric unit inner structure and material are different, when the transposition, the internal stress that light unit and electric unit received the transposition also is different to the light unit is fragile, receives the extrusion of electric unit easily when the transposition.
2. When the armor layer of the photoelectric composite cable is stripped and the optical unit and the electric unit are independently used, the optical unit is only the sleeve unit, and the sleeve is easily extruded in the using process.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an armor photoelectric composite cable, separately set up light unit and electric unit independently, adopt the electric unit transposition to set up in the outside of light unit, the electric unit has formed the protective layer to the light unit to light unit self is provided with enhancement layer and light unit sheath, and when independent use light unit and electric unit, light unit self enhancement layer and light unit sheath can play certain guard action to the optic fibre.
In order to solve the technical problem, the utility model provides an armored photoelectric composite cable, including the cable core and the inner sheath, armor and the outer sheath that cover in proper order outside the cable core, the cable core includes the optical unit who sets up in central point, the optical unit outside is provided with and regards optical unit as the center, along the optical unit extending direction transposition at its electric unit of periphery, optical unit includes a plurality of optic fibres, the loose tube of cladding in proper order outside the optic fibre, enhancement layer and optical unit sheath; the armor layer comprises a plurality of armor steel wires, and the armor steel wires are stranded on the periphery of the cable core along the extending direction of the cable core.
In a preferred embodiment of the present invention, the electrical unit further comprises a copper wire and an insulating layer covering the copper wire.
The utility model discloses a preferred embodiment, further include the enhancement layer is in by many aramid yarn winds the package the loose tube outside forms.
In a preferred embodiment of the present invention, the light unit further comprises a filling rope, the filling rope is used to replace a part of the electric unit and is twisted around the periphery of the light unit together with the electric unit.
In a preferred embodiment of the present invention, further comprising a filling unit disposed in the gap between the optical unit and the electrical unit, the filling unit is pp filler.
In a preferred embodiment of the present invention, the filling unit further comprises a water blocking yarn disposed therein.
The utility model discloses a preferred embodiment, further include the outside cladding of cable core has the water-blocking tape, the water-blocking tape indulges the package and is in the cable core outside.
In a preferred embodiment of the present invention, the optical unit protection layer, the inner protection layer and the outer protection layer are low smoke zero halogen flame retardant sheaths.
The utility model has the advantages that:
1. the utility model discloses changed the mode that sets up that light unit and electric unit transposition are in the same place in current photoelectric composite cable, independently set up light unit and electric unit, avoided because of the inner structure and the material difference of light unit and electric unit, the extrusion damage of the electric unit that causes to the light unit to with the electric unit cladding in the outside of light unit to the further protection of light unit.
2. Optical unit self is provided with enhancement layer and optical unit sheath, on the one hand, because the utility model discloses an optical unit has replaced the central reinforcement in the traditional optoelectrical composite cable, set up the enhancement layer can improve the tensile of optical unit self, on the other hand, when peeling off the armor of optoelectrical composite cable, when using optical unit and electrical unit independently, optical unit self enhancement layer and optical unit sheath can play certain guard action to the optic fibre.
3. The utility model discloses a steel aluminium strip in the armoured steel wire replaces traditional photoelectric composite cable, very big enhancement the optical cable physical properties index such as stretch-proofing, flatten, impact, the steel wire armouring has good protection against rodents performance simultaneously, and the rodent is stung and is not worn, effectively ensures the optical cable communication under various adverse circumstances unblocked.
Drawings
FIG. 1 shows the present invention
Figure 2 is the utility model
The reference numbers in the figures illustrate: 1. an outer jacket; 2. an armor layer; 3. an inner protective layer; 4. a water blocking tape; 5. an electrical unit; 6. a light unit protective layer; 7. a reinforcing layer; 8. an optical fiber; 9. loosening the sleeve; 10. water-blocking yarn; 11. a filling unit; 12. and (6) filling the ropes.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1, an embodiment of the armored optical electrical composite cable of the present invention includes a cable core, an inner sheath 3, an armor 2, and an outer sheath 1 sequentially covering the cable core, wherein the cable core includes an optical unit disposed at a central position, and an electrical unit 5 twisted around the optical unit along an extending direction of the optical unit is disposed outside the optical unit, in this embodiment, a setting mode of twisting the optical unit and the electrical unit 5 together in the existing optical electrical composite cable is changed, the optical unit and the electrical unit 5 are independently disposed, extrusion damage of the electrical unit 5 to the optical unit due to different internal structures and materials of the optical unit and the electrical unit 5 is avoided, and the electrical unit 5 is further protected by covering the outer side of the optical unit; the optical unit comprises a plurality of optical fibers 8, a loose tube 9, a reinforcing layer 7 and an optical unit protective layer 6 which are sequentially coated outside the optical fibers 8, on one hand, the optical unit in the embodiment replaces a central reinforcing part in a traditional photoelectric composite cable, the reinforcing layer 7 can improve the tensile capacity of the optical unit, and on the other hand, when the armor layer 2 of the photoelectric composite cable is stripped and the optical unit and the electric unit 5 are independently used, the reinforcing layer 7 and the optical unit protective layer 6 of the optical unit can play a certain role in protecting the optical fibers 8; the armor layer 2 comprises a plurality of armor steel wires, the armor steel wires are stranded on the periphery of the cable core along the extending direction of the cable core, the armor steel wires are adopted to replace steel aluminum strips in the traditional photoelectric composite cable, physical performance indexes such as stretch resistance, flattening resistance, impact resistance and the like of the composite cable are greatly enhanced, meanwhile, the steel wire armor has good rat-proof performance, and the composite cable cannot be penetrated by rats, so that smooth communication of the composite cable in various severe environments is effectively guaranteed.
Specifically, the reinforcing layer 7 in the optical unit has a certain tensile effect and also has a lateral protection effect on the loose tube 9 in the optical unit, in this embodiment, the reinforcing layer 7 is formed by wrapping a plurality of aramid yarns on the outer side of the loose tube 9, and the aramid yarns have the performances of small density, high tensile modulus and high breaking strength; the loose tube 9 can keep inherent stability at higher temperature, has higher corrosion resistance and non-conductivity, has stronger chemical resistance except strong acid and strong alkali, and can effectively protect the loose tube 9.
Specifically, in this embodiment, the optical unit and the electrical unit 5 have adopted the standard structure setting of "1 + 6", and the center is provided with an optical unit, is provided with 6 electrical units 5 outside the optical unit, and the diameter that sets up the optical unit is the same with the diameter of electrical unit 5, just will the optical unit closely wraps up, makes two adjacent electrical unit 5 laminating settings, electrical unit 5 includes copper conductor and the insulating layer of cladding outside the copper conductor, sets up the insulating layer and can play earth leakage protection's effect on the one hand, and on the other hand can prevent the interference between the signal.
Referring to fig. 2, in other embodiments, when 6 electrical units 5 are not needed in the actual laying process, in order to ensure a stable structure of "1 + 6", a filling rope 12 is used instead of the electrical units 5, the filling rope 12 has the same diameter as that of the electrical units 5, and in this embodiment, 3 filling ropes 12 are used instead of 3 electrical units 5, and the filling ropes 12 and the electrical units 5 are twisted together on the outer periphery of the optical units.
Specifically, since the optical unit and the electrical unit 5 are both circular structures, a certain gap exists between the optical unit and the electrical unit 5, in order to further ensure the roundness of the cable core and also prevent water leakage at the gap between the optical unit and the electrical unit 5, a filling unit 11 is arranged in the gap between the optical unit and the electrical unit 5, and the filling unit 11 is pp filling material which is filled at the gap between the optical unit and the electrical unit 5 through pp filling material extrusion molding.
Specifically, in the armored photoelectric composite cable in this embodiment, a full-dry type water blocking mode is adopted, the water blocking yarn 10 is arranged in the filling unit 11, the water blocking tape 4 is coated on the outer side of the cable core, the water blocking tape 4 is longitudinally coated on the outer side of the cable core, and the cable core is protected from water through a mode of combining the water blocking yarn 10 and the water blocking tape 4.
Specifically, the optical unit protective layer 6, the inner protective layer 3 and the outer protective layer 1 are all low-smoke halogen-free flame-retardant sheaths, and the low-smoke halogen-free flame-retardant sheath material is ultraviolet-resistant, waterproof, mildewproof and resistant to environmental stress cracking; and no acid gas is released, the soil in the surrounding area is not corroded, and the protective capability is higher.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. An armored photoelectric composite cable is characterized by comprising a cable core, an inner protection layer, an armor layer and an outer protection layer, wherein the inner protection layer, the armor layer and the outer protection layer are sequentially coated outside the cable core; the armor layer comprises a plurality of armor steel wires, and the armor steel wires are stranded on the periphery of the cable core along the extending direction of the cable core.
2. The armored optical electrical composite cable of claim 1, wherein the electrical elements comprise copper wires and an insulation layer covering the copper wires.
3. The armored optical-electrical composite cable of claim 1, wherein the reinforcing layer is formed by wrapping a plurality of aramid yarns around the outside of the loose tube.
4. The armored optical-electrical composite cable of claim 1, further comprising a filler cord for replacing a portion of the electrical units, the filler cord being twisted about the outer periphery of the optical units with the electrical units.
5. The armored optical-electrical composite cable of claim 1, wherein a filler unit is disposed in the interstices of the optical and electrical units, the filler unit being a pp filler.
6. The armored optical composite cable of claim 5, wherein water-blocking yarns are disposed within the filler units.
7. The armored optical-electrical composite cable of claim 1, wherein the outer side of the cable core is coated with a water-blocking tape, the water-blocking tape being wrapped longitudinally outside the cable core.
8. The armored optical-electrical composite cable of claim 1, wherein the optical unit jacket, the inner jacket, and the outer jacket are low smoke, zero halogen, and flame retardant jackets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386166.2U CN211125081U (en) | 2019-12-26 | 2019-12-26 | Armored photoelectric composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386166.2U CN211125081U (en) | 2019-12-26 | 2019-12-26 | Armored photoelectric composite cable |
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| Publication Number | Publication Date |
|---|---|
| CN211125081U true CN211125081U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922386166.2U Active CN211125081U (en) | 2019-12-26 | 2019-12-26 | Armored photoelectric composite cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927857A (en) * | 2021-01-27 | 2021-06-08 | 成都大唐线缆有限公司 | Flame-retardant flexible photoelectric hybrid cable for ships |
| CN112951507A (en) * | 2021-02-02 | 2021-06-11 | 宏安集团有限公司 | Rat-proof photoelectric composite cable |
| CN114360806A (en) * | 2021-12-09 | 2022-04-15 | 通鼎互联信息股份有限公司 | Durable and water-blocking photoelectric composite cable |
-
2019
- 2019-12-26 CN CN201922386166.2U patent/CN211125081U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112927857A (en) * | 2021-01-27 | 2021-06-08 | 成都大唐线缆有限公司 | Flame-retardant flexible photoelectric hybrid cable for ships |
| CN112951507A (en) * | 2021-02-02 | 2021-06-11 | 宏安集团有限公司 | Rat-proof photoelectric composite cable |
| CN114360806A (en) * | 2021-12-09 | 2022-04-15 | 通鼎互联信息股份有限公司 | Durable and water-blocking photoelectric composite cable |
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