CN201489158U - Central beam tube type composite optical fiber cable - Google Patents
Central beam tube type composite optical fiber cable Download PDFInfo
- Publication number
- CN201489158U CN201489158U CN2009201653175U CN200920165317U CN201489158U CN 201489158 U CN201489158 U CN 201489158U CN 2009201653175 U CN2009201653175 U CN 2009201653175U CN 200920165317 U CN200920165317 U CN 200920165317U CN 201489158 U CN201489158 U CN 201489158U
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- beam tube
- central beam
- center
- tube type
- type optical
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Abstract
The utility model relates to a central beam tube type composite optical fiber cable in the technical field of optical fiber cables. The composite optical fiber cable comprises a central beam tube (3). The inner part of the central beam tube comprises a light guide fiber (1) and an inner water-blocking substance (2), the outer wall of the central beam tube is coated with a reinforcer (4) spirally by taking the axis of the central beam tube as the center in a way of extending longitudinally. A protection layer (7) is arranged outside the reinforcer (4), an outer water-blocking substance (6) is arranged in a gap between the protection layer (7) and the central beam tube and a sheath layer (8) is arranged outside the protection layer (7). The composite optical fiber cable is characterized in that: the reinforcer (4) at least comprises one optical or electrical conduction unit (9). The optical fiber cable effectively stops the contraction of central beam tubes when temperature changes, protects the light guide fiber, greatly lightens the weight of optical fiber cables, lowers the requirements for poles and towers and the foundations thereof, substantially saves cost, can transmit not only optical signals but also electrical signals and electricity and is better in the pressure resistance, and larger in the capacity of optical communication.
Description
Technical field
The utility model relates to the optical cable technology field, particularly a kind of central beam tube type composite cable.
Background technology
Stipulated the structure of optical cable in People's Republic of China's communication industry standard " YD/T769-2003 core net with optical cable central beam tube type communication outdoor optical cable ", its listed model has GYXTY, GYXTA, GYXTS, GYXTW etc., GYXTY wherein, GYXTA and GYXTS optical cable are the forms of employing center beam tube, place light transmitting fiber in the pipe, the outer steel wire that is wound with a whole circle that coats of pipe; Though this structure has been carried out effective protection to optical cable, consumed a large amount of steel, therefore the weight of whole optical cable is heavier, and when placing many optical cables on shaft tower, shaft tower can bear very big power, so the material of shaft tower and ground also need very solid.The GYXTW optical cable is to place beam tube at the optical cable center, and many light transmitting fibers are set in the beam tube, beam tube outer beam tube axially place two reinforcements symmetrically, use the effect of bearing pulling force of playing; But because it only has both direction that beam tube is had protection, so withstand voltage properties is relatively poor; And owing to be simple parallel placement relation between beam tube and steel wire, therefore, in the temperature circulation change, beam tube can produce very big contraction, causes the improper fracture of connector box place optical fiber.In addition, owing in the existing central beam tube type optical cable, have only a beam tube, light transmitting fiber is only just arranged, so the message capacity of optical cable is less relatively in this beam tube.
The utility model content
The purpose of this utility model is in order to address the above problem, a kind of central beam tube type optical cable composite cable to be provided, and it is realized by the following technical solutions:
Central beam tube type optical cable composite cable, it comprises a center beam tube 3, comprise light transmitting fiber 1 in the beam tube of center, reach interior water-blocking material 2, is the center along center beam tube outer wall with the central beam tube's axis, longitudinal extension also is coated with reinforcement 4 with folk prescription to the mode of wrong direction spiral between spiral or suitable/counterclockwise, reinforcement 4 peripheral hardware matcoveredns 7 have outer water-blocking material 6 in the gap between protective seam 7 and the center beam tube, the protective seam 7 outer restrictive coatings 8 that are provided with; It is characterized in that: comprise light or conductivity unit 9 in the described reinforcement 4 at least.
Also can comprise filling member 5 in the above-mentioned described reinforcement 4, gasket for packing spare is arranged, filling member is distributed in outside the beam tube of center symmetrical or asymmetricly.
Above-mentioned described light or conductivity unit 9, it is cable core or the cable conductor that comprises fibre-optic beam tube, cable core or comprise the metal call wire.
Above-mentioned described light or conductivity unit 9 are distributed in outside the beam tube of center symmetrical or asymmetricly.
Light transmitting fiber in the beam tube of above-mentioned described center is light transmitting fiber that separates each other or the fibre ribbon of being made up of single light transmitting fiber more than two; Light transmitting fiber in light or the conductivity unit 9 is the light transmitting fiber that separates each other.
Above-mentioned described reinforcement is any in stainless steel wire, phosphatization steel wire, zinc-coated wire, the glass fiber reinforced plastics material.
Above-mentioned described center beam tube, its base material is any in polybutylene terephthalate, polypropylene, the steel; And its profile is circular or oval.
Above-mentioned described interior water-blocking material, its material is any in petroleum jelly, water-proofing powder, the water blocking yarn; Described outer water-blocking material, its material are any or above-mentioned arbitrarily two or more the combination in petroleum jelly, water-proofing powder, the water blocking yarn.
Above-mentioned described filling member, its base material are tygon or polypropylene.
Above-mentioned described restrictive coating, its material are any one in tygon, Polyvinylchloride, nylon, the halogen-free polyvinyl.
Above-mentioned described protective seam, its material are any in steel band, aluminium strip, waterstop, glass fiber tape, nonwoven fabrics, mica tape, the polyester belt.
Further, above-mentioned protective seam also can be multilayer, and it also can be the combination of above-mentioned described protective seam and restrictive coating.
In the utility model, because reinforcement directly contact with the center beam tube and hard-pressed bale is on the beam tube of center in a spiral manner, the contraction of center beam tube when therefore having stoped temperature cycles to change effectively can not ruptured the optical fiber in the connector box because of temperature variation outside easily; In addition,,, reduced the requirement of shaft tower and ground thereof, saved cost greatly so alleviated the own wt of optical cable widely owing to be mingled with nonmetal filling member in the reinforcement; In addition, because the center beam tube also has a circle reinforcement protective seam outward, so the withstand voltage properties of whole optical cable is better; Since increased light or conductivity unit not only can transmitting optical signal can also transmission of electric signals and the capacity of transmission of electricity, optical communication bigger.
Description of drawings
Fig. 1 is the cross-sectional structure synoptic diagram of the utility model embodiment one;
Fig. 2 is the cross-sectional structure synoptic diagram of the utility model embodiment two;
Fig. 3 is the cross-sectional structure synoptic diagram of the utility model embodiment three.
Embodiment
Embodiment one:
Ask for an interview Fig. 1, central beam tube type optical cable composite cable, it comprises a circular central beam tube 3, comprise light transmitting fiber 1 in the beam tube of center, reach interior water-blocking material 2, is the center along center beam tube outer wall with the central beam tube's axis, and longitudinal extension also is coated with reinforcement 4, reinforcement 4 peripheral hardware matcoveredns 7 with folk prescription to the mode of wrong direction spiral between spiral or suitable/counterclockwise, outer water-blocking material 6 is arranged, the protective seam 7 outer restrictive coatings 8 that are provided with in the gap between protective seam 7 and the center beam tube; It is characterized in that: comprise two light or conductivity unit 9 in the described reinforcement 4 at least, also comprise filling member 5 in the reinforcement 4, filling member is distributed in outside the beam tube of center symmetrically, and the pitch of described spiral is 300mm.
Embodiment two:
Ask for an interview Fig. 2, with embodiment one, difference is substantially: fibre-optic quantity becomes 12 by 8 changes, and a filling member is reinforced part and replaces; Filling member is distributed in outside the beam tube of center asymmetricly.
Embodiment three:
Ask for an interview Fig. 3, with embodiment two, difference is substantially: fibre-optic quantity has become the 34 fine bands of core by the 26 fine bands of core; Wherein a reinforcements is replaced by light or conductivity unit; Have 2 filling members to be reinforced part in addition and replace, reinforcement is to be distributed in symmetrically outside the beam tube of center, and filling member and reinforcement are to be distributed in outside the beam tube of center asymmetricly.
In the utility model, because reinforcement directly contact with the center beam tube and hard-pressed bale is on the beam tube of center in a spiral manner, the contraction of center beam tube when therefore having stoped temperature cycles to change effectively can not ruptured the optical fiber in the connector box because of temperature variation outside easily; In addition,,, reduced the requirement of shaft tower and ground thereof, saved cost greatly so alleviated the own wt of optical cable widely owing to be mingled with nonmetal filling member in the reinforcement; In addition, because the center beam tube also has a circle reinforcement protective seam outward, so the withstand voltage properties of whole optical cable is better; Since increased light or conductivity unit not only can transmitting optical signal can also transmission of electric signals and the capacity of transmission of electricity, optical communication bigger.
Certainly, in above-mentioned arbitrary embodiment, also can not comprise filling member 5 in the described reinforcement 4.
In above-mentioned arbitrary embodiment, described light or conductivity unit 9 also can be the cable core or the cable conductor that comprise fibre-optic beam tube, cable core or comprise the metal call wire.
In above-mentioned arbitrary embodiment, the light transmitting fiber in the beam tube of described center is light transmitting fiber that separates each other or the fibre ribbon of being made up of single light transmitting fiber more than two; When in light or the conductivity unit 9 light transmitting fiber being arranged, it is the light transmitting fiber that separates each other.
In above-mentioned arbitrary embodiment, described reinforcement is any in stainless steel wire, phosphatization steel wire, zinc-coated wire, the glass fiber reinforced plastics material.
In above-mentioned arbitrary embodiment, described center beam tube, its base material are any in polybutylene terephthalate, polypropylene, the steel; And its profile is circular or oval.
In above-mentioned arbitrary embodiment, described interior water-blocking material, its material is any in petroleum jelly, water-proofing powder, the water blocking yarn; Described outer water-blocking material, its material are any or above-mentioned arbitrarily two or more the combination in petroleum jelly, water-proofing powder, the water blocking yarn.
In above-mentioned arbitrary embodiment, described filling member, its base material are tygon or polypropylene.
In above-mentioned arbitrary embodiment, described restrictive coating, its material are any one in tygon, Polyvinylchloride, nylon, the halogen-free polyvinyl.
In above-mentioned arbitrary embodiment, described protective seam, its material are any in steel band, aluminium strip, waterstop, glass fiber tape, nonwoven fabrics, mica tape, the polyester belt.
In above-mentioned arbitrary embodiment, described filling member, reinforcement, light or conductivity unit can be distributed in outside the beam tube of center symmetrical or asymmetricly.
In above-mentioned arbitrary embodiment, light or conductivity unit have one at least.
Further, in above-mentioned arbitrary embodiment, protective seam also can be multilayer, and it also can be the combination of above-mentioned described protective seam and restrictive coating.
Further, in above-mentioned arbitrary embodiment, the pitch of described spiral way is 15mm-1000mm.
Certainly; variation because of the external diameter of center beam tube; the quantity of the reinforcement that matches, light or conductivity unit and filling member can change along with the diameter of himself; and the quantity sum that is not limited to reinforcement in the embodiment, light or conductivity unit and filling member is 12 restriction, and they equally also should be within the protection domain of this patent.
This paper understands exemplary embodiment of the utility model and present preferred implementation specifically, should be appreciated that the utility model design can be by other various forms enforcement utilizations, and they drop in the protection domain of the present utility model equally.
Claims (10)
1. central beam tube type optical cable composite cable, it comprises a center beam tube (3), comprise light transmitting fiber (1) in the beam tube of center, reach interior water-blocking material (2), is the center along center beam tube outer wall with the central beam tube's axis, longitudinal extension also is coated with reinforcement (4) with folk prescription to the mode of wrong direction spiral between spiral or suitable/counterclockwise, reinforcement (4) peripheral hardware matcoveredn (7) has outer water-blocking material (6) in the gap between protective seam (7) and the center beam tube, the outer restrictive coating (8) that is provided with of protective seam (7); It is characterized in that: comprise a light or conductivity unit (9) in the described reinforcement (4) at least.
2. central beam tube type optical cable composite cable according to claim 1 is characterized in that: also comprise filling member in the described reinforcement, filling member is distributed in outside the beam tube of center symmetrical or asymmetricly.
3. central beam tube type optical cable composite cable according to claim 1 is characterized in that: described light or conductivity unit, and it is cable core or the cable conductor that comprises fibre-optic beam tube, cable core or comprise the metal call wire; And described light or conductivity unit are distributed in outside the beam tube of center symmetrical or asymmetricly.
4. central beam tube type optical cable composite cable according to claim 1 is characterized in that: the light transmitting fiber in the beam tube of described center is light transmitting fiber that separates each other or the fibre ribbon of being made up of single light transmitting fiber more than two; Light transmitting fiber in light or the conductivity unit is the light transmitting fiber that separates each other.
5. central beam tube type optical cable composite cable according to claim 1 is characterized in that: described reinforcement is any in stainless steel wire, phosphatization steel wire, zinc-coated wire, the glass fiber reinforced plastics material.
6. central beam tube type optical cable composite cable according to claim 1 is characterized in that: described center beam tube, its base material are any in polybutylene terephthalate, polypropylene, the steel; And its profile is circular or oval.
7. central beam tube type optical cable composite cable according to claim 1 is characterized in that: water-blocking material in described, and its material is any in petroleum jelly, water-proofing powder, the water blocking yarn; Described outer water-blocking material, its material are any or above-mentioned arbitrarily two or more the combination in petroleum jelly, water-proofing powder, the water blocking yarn.
8. central beam tube type optical cable composite cable according to claim 1 is characterized in that: described filling member, its base material are tygon or polypropylene.
9. central beam tube type optical cable composite cable according to claim 1 is characterized in that: described restrictive coating, its material are any one in tygon, Polyvinylchloride, nylon, the halogen-free polyvinyl; Described protective seam, its material are any in steel band, aluminium strip, waterstop, glass fiber tape, nonwoven fabrics, mica tape, the polyester belt.
10. central beam tube type optical cable composite cable according to claim 1 is characterized in that: the pitch of described spiral way is 15mm-1000mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201653175U CN201489158U (en) | 2009-06-24 | 2009-06-24 | Central beam tube type composite optical fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201653175U CN201489158U (en) | 2009-06-24 | 2009-06-24 | Central beam tube type composite optical fiber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489158U true CN201489158U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201653175U Expired - Fee Related CN201489158U (en) | 2009-06-24 | 2009-06-24 | Central beam tube type composite optical fiber cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201489158U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531300A (en) * | 2013-10-08 | 2014-01-22 | 中利科技集团股份有限公司 | Photoelectric hybrid cable with optical fiber ribbon and metal jacket |
| CN103531299A (en) * | 2013-10-08 | 2014-01-22 | 中利科技集团股份有限公司 | Photoelectric hybrid cable with optical fiber ribbon |
-
2009
- 2009-06-24 CN CN2009201653175U patent/CN201489158U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531300A (en) * | 2013-10-08 | 2014-01-22 | 中利科技集团股份有限公司 | Photoelectric hybrid cable with optical fiber ribbon and metal jacket |
| CN103531299A (en) * | 2013-10-08 | 2014-01-22 | 中利科技集团股份有限公司 | Photoelectric hybrid cable with optical fiber ribbon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Zhongli Technology Co., Ltd. Assignor: Shen Qunhua Contract record no.: 2011440020191 Denomination of utility model: Central tube type composite optical cable Granted publication date: 20100526 License type: Exclusive License Record date: 20110530 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20110624 |