CN201489159U - Central beam tube type optical fiber cable - Google Patents
Central beam tube type optical fiber cable Download PDFInfo
- Publication number
- CN201489159U CN201489159U CN2009201653230U CN200920165323U CN201489159U CN 201489159 U CN201489159 U CN 201489159U CN 2009201653230 U CN2009201653230 U CN 2009201653230U CN 200920165323 U CN200920165323 U CN 200920165323U CN 201489159 U CN201489159 U CN 201489159U
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- beam tube
- central beam
- type optical
- optical cable
- tube type
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Abstract
The utility model relates to a central beam tube type optical fiber cable in the technical field of optical fiber cables. The optical fiber cable comprises a central beam tube (3), the inner part of which 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 between the protection layer (7) and the central beam tube and a sheath layer (8) is arranged outside the protection layer (7). The optical fiber cable is characterized in that: the reinforcer (4) at least comprises one filling piece (5). In the utility model, the reinforcer directly contacts and spirally coats the central beam tube, thus effectively stopping the contraction of central beam tubes when temperature changes and effectively protecting the light guide fiber. In addition, as the reinforcer is mixed with the nonmetal filling piece, the weight of optical fiber cables is greatly lightened, the requirements for poles and towers and the foundations thereof are lowered and furthermore the cost is saved substantially.
Description
Technical field
The utility model relates to the optical cable technology field, particularly a kind of central beam tube type optical cable that improves structure.
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.
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 to be provided, and it is realized by the following technical solutions:
The central beam tube type optical 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 a filling member 5 in the described reinforcement 4 at least.
Above-mentioned described filling member is distributed in outside the beam tube of center symmetrical or asymmetricly.
Above-mentioned described light transmitting fiber is single light transmitting fiber that separates each other or the fibre ribbon of being made up of single light transmitting fiber more than two.
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.
Above-mentioned described center beam tube, its profile are circular or oval.
Above-mentioned described interior water-blocking material, its material is any in petroleum jelly, water-proofing powder, the water blocking yarn.
Above-mentioned 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,, therefore, alleviated the own wt of optical cable widely, reduced the requirement of shaft tower and ground thereof, therefore, saved cost greatly owing to be mingled with nonmetal filling member in the reinforcement.
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, the central beam tube type optical 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 ten filling members 5 in the described reinforcement 4 at least, and filling member is distributed in symmetrically outside the beam tube of center, the pitch of described spiral is 300mm.
Embodiment two:
Ask for an interview Fig. 2, with embodiment one, difference is substantially: two filling members are reinforced part and replace; Filling member also is to be distributed in symmetrically outside the beam tube of center.
Embodiment three:
Ask for an interview Fig. 3, with embodiment one, difference is substantially: fibre-optic quantity has become 12 by 16; Wherein a filling member is reinforced part and replaces; Filling member also is 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,, therefore, alleviated the own wt of optical cable widely, reduced the requirement of shaft tower and ground thereof, therefore, saved cost greatly owing to be mingled with nonmetal filling member in the reinforcement.
Certainly, in above-mentioned arbitrary embodiment, described filling member can be distributed in outside the beam tube of center symmetrical or asymmetricly.
In above-mentioned arbitrary embodiment, described filling member has one at least.
In above-mentioned arbitrary embodiment, described light transmitting fiber is single light transmitting fiber that separates each other or the fibre ribbon of being made up of single light transmitting fiber more than two.
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.
In above-mentioned arbitrary embodiment, described center beam tube, 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.
In above-mentioned arbitrary embodiment, 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.
Further, in above-mentioned arbitrary embodiment, described 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 reinforcement that matches and the quantity of filling member can change along with the diameter of himself, are 12 restriction and be not limited to the quantity sum of reinforcement and filling member in the embodiment, 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, 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 filling member (5) in the described reinforcement (4) at least.
2. central beam tube type optical cable according to claim 1 is characterized in that: described filling member is distributed in outside the beam tube of center symmetrical or asymmetricly.
3. central beam tube type optical cable according to claim 1 is characterized in that: described light transmitting fiber is single light transmitting fiber that separates each other or the fibre ribbon of being made up of single light transmitting fiber more than two.
4. central beam tube type optical 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.
5. central beam tube type optical 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 described center beam tube, its profile are circular or oval.
6. central beam tube type optical 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.
7. central beam tube type optical cable according to claim 1 is characterized in that: described filling member, its base material are tygon or polypropylene.
8. central beam tube type optical 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.
9. central beam tube type optical cable according to claim 1 is characterized in that: 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 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 |
|---|---|---|---|
| CN2009201653230U CN201489159U (en) | 2009-06-24 | 2009-06-24 | Central beam tube type optical fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201653230U CN201489159U (en) | 2009-06-24 | 2009-06-24 | Central beam tube type optical fiber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489159U true CN201489159U (en) | 2010-05-26 |
Family
ID=42428031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201653230U Expired - Fee Related CN201489159U (en) | 2009-06-24 | 2009-06-24 | Central beam tube type optical fiber cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201489159U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135655A (en) * | 2011-05-06 | 2011-07-27 | 苏州市吴江特种电缆二厂有限公司 | Central loose tube optical cable |
| CN102592746A (en) * | 2012-04-07 | 2012-07-18 | 常熟市谷雷特机械产品设计有限公司 | Photoelectric composite cable with rubber sheath |
| CN103744153A (en) * | 2014-01-02 | 2014-04-23 | 常熟市谷雷特机械产品设计有限公司 | Emergency lighting optical cable and emergency device adopting same |
-
2009
- 2009-06-24 CN CN2009201653230U patent/CN201489159U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135655A (en) * | 2011-05-06 | 2011-07-27 | 苏州市吴江特种电缆二厂有限公司 | Central loose tube optical cable |
| CN102592746A (en) * | 2012-04-07 | 2012-07-18 | 常熟市谷雷特机械产品设计有限公司 | Photoelectric composite cable with rubber sheath |
| CN103744153A (en) * | 2014-01-02 | 2014-04-23 | 常熟市谷雷特机械产品设计有限公司 | Emergency lighting optical cable and emergency device adopting same |
| CN104849826A (en) * | 2014-01-02 | 2015-08-19 | 常熟市谷雷特机械产品设计有限公司 | Emergency rescue illumination optical cable and emergency device employing same |
| CN104865667A (en) * | 2014-01-02 | 2015-08-26 | 常熟市谷雷特机械产品设计有限公司 | Optical cable for emergency rush repair and emergency device using optical cable |
| CN104865668A (en) * | 2014-01-02 | 2015-08-26 | 常熟市谷雷特机械产品设计有限公司 | Optical cable for emergency lighting and emergency device using optical cable |
| CN103744153B (en) * | 2014-01-02 | 2015-09-09 | 长飞光纤光缆股份有限公司 | A kind of emergency lighting optical cable and adopt the emergency set of this optical cable |
| CN104865668B (en) * | 2014-01-02 | 2018-08-14 | 常熟市谷雷特机械产品设计有限公司 | A kind of emergency lighting optical cable and the emergency set using the optical cable |
| CN104865667B (en) * | 2014-01-02 | 2018-08-31 | 江苏华脉光电科技有限公司 | A kind of rush emergency optical cable and the emergency set using the optical cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120624 |