CN101706605A - Central tube bundle optical cable with improved structure - Google Patents

Central tube bundle optical cable with improved structure Download PDF

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Publication number
CN101706605A
CN101706605A CN200910221815A CN200910221815A CN101706605A CN 101706605 A CN101706605 A CN 101706605A CN 200910221815 A CN200910221815 A CN 200910221815A CN 200910221815 A CN200910221815 A CN 200910221815A CN 101706605 A CN101706605 A CN 101706605A
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optical cable
tube type
type optical
central beam
beam tube
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CN200910221815A
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Chinese (zh)
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郑振卫
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Individual
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Individual
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Abstract

The invention relates to the technical field of optical cables, which is an improvement on the traditional central tube optical cable with parallel steel wires. The central tube optical cable with the improved structure comprises optical fiber (1) arranged in a loose tube (2), a waterproof layer (30 arranged outside the loose tube, an armoring layer (4) arranged outside the waterproof layer, a reinforcement member (5) arranged outside the armoring layer, and a coat layer (6) arranged outside the armoring layer; and the reinforcement member is positioned in the coat layer. The central tube optical cable with the improved structure is characterized in that the reinforcement member (5) is tightly attached to the armoring layer. Compared with the optical cable in the prior art, the central tube optical cable with the improved structure has the advantages that the outside diameter can be reduced at least twice the original distance between the reinforcement member and the armoring layer, the consumption amount of the coat layer can be reduced by at least 15 percent, so that the cost is greatly reduced, the product competitiveness is improved, and more resources are saved.

Description

Improve the central beam tube type optical cable of structure
Technical field
The present invention relates to the optical cable technology field, is the improvement of carrying the central beam tube type optical cable of parallel steel wire secretly to existing.
Background technology
Existing central beam tube type optical cable has multiple, stipulated 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 " that a class carries the central beam pipe optical cable of parallel steel wire secretly, its model is to have stipulated also in GYXTW, " the YD/T 981.2-2009 Access Network optical fibre band optical cable second portion: central tubular " that a class carries the central beam pipe optical cable of parallel steel wire secretly, and its model is GYDXTW; The common feature of this two classes optical cable is: they all comprise: be positioned at loose sleeve pipe optical fiber, be coated on the outer water blocking layer of loose sleeve pipe, be coated on the outer steel belt layer of water blocking layer, be positioned at the reinforcement in the steel belt layer outside and be positioned at the outer oversheath of steel belt layer; Reinforcement is positioned at oversheath, reinforcement and steel belt layer and and oversheath between any gap is all arranged.
This two classes optical cable can be described as the simple structure in the present central beam tube type optical cable, and therefore, it is low to have a cost, and external diameter is little, easily lays the advantage that density of optic fibre is big.
This two classes optical cable has all been done qualification to the minor increment at reinforcement edge and oversheath edge in standard, minimum value is 1.0mm; Add the diameter value of reinforcement itself and the distance between reinforcement and the steel belt layer, therefore, the thickness of oversheath is usually more than 2.5mm.And having the optical cable of steel belt layer usually, the minimum diameter of its oversheath requires to be 1.5mm; Therefore cost is higher relatively.
Along with people for improving constantly that cost performance requires, the price of such optical cable of customer requirements can be more cheap, can not reduce any performance of optical cable simultaneously again; For production firm, Continual Improvement also is their unremitting pursue, therefore, also needs to make the consumption of material fewer.
Summary of the invention
The objective of the invention is in order to satisfy above-mentioned requirements, a kind of central beam tube type optical cable that improves structure is provided.It is realized by the following technical solutions:
Improve the central beam tube type optical cable of structure, it comprises the light transmitting fiber 1 that is positioned within the loose sleeve pipe 2, be positioned at water blocking layer 3 outside the loose sleeve pipe, be positioned at armor 4 outside the water blocking layer, be positioned at the reinforcement 5 outside the armor and be positioned at restrictive coating 6 outside the armor; Reinforcement is positioned at restrictive coating; It is characterized in that: reinforcement 5 is close to armor.
The central beam tube type optical cable of above-mentioned described improvement structure is characterized in that being filled with the material that blocks water in the gap within the described loose sleeve pipe; The described material that blocks water is petroleum jelly or water-proofing powder or water blocking yarn.
The central beam tube type optical cable of above-mentioned described improvement structure, the material that it is characterized in that described loose sleeve pipe is parylene's butanediol ester or modified polypropene.
The central beam tube type optical cable of above-mentioned described improvement structure is characterized in that described water blocking layer is waterstop or water blocking yarn or nonwoven fabrics.
The central beam tube type optical cable of above-mentioned described improvement structure is characterized in that described armor is the steel band of the steel band of embossing not or embossing or the not aluminium strip of embossing or the aluminium strip or the glass fiber tape of embossing.
The central beam tube type optical cable of above-mentioned described improvement structure is characterized in that described reinforcement is steel wire or Fibreglass Reinforced Plastics.
The central beam tube type optical cable of above-mentioned described improvement structure is characterized in that described reinforcement is at least two, and reinforcement distributes along the armor outer symmetrical or asymmetricly.
The central beam tube type optical cable of above-mentioned described improvement structure is characterized in that the convex body 7 that protrudes this oversheath edge is arranged on the described oversheath; And some is positioned at described reinforcement within the convex body.
The central beam tube type optical cable of above-mentioned described improvement structure is characterized in that described light transmitting fiber is at least one.
Further, the central beam tube type optical cable of above-mentioned described improvement structure is characterized in that described light transmitting fiber is positioned within the fibre ribbon 11.
Further, the central beam tube type optical cable of above-mentioned described improvement structure is characterized in that described fibre ribbon has one at least; Be positioned within the loose sleeve pipe in stacked mode when having many.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, the material of described oversheath are plastics.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, described convex body can be many; And be distributed in the oversheath edge symmetrical or asymmetricly.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, the diameter of described reinforcement can be identical, also can be inequality.
The central beam tube type optical cable that adopts the present invention to improve structure is compared with optical cable of the prior art, and external diameter can reduce the distance between original reinforcement of twice and the armor at least; The oversheath consumption can reduce 15% at least; Therefore, can reduce cost greatly, improve the power of striving unexpectedly of product, save more resources.
Description of drawings
Fig. 1 is one section a perspective exploded view of the invention process example one;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is one section a perspective exploded view of the invention process example two;
Fig. 4 is the front view of Fig. 3;
Fig. 5 is one section a perspective exploded view of the invention process example three;
Fig. 6 is the front view of Fig. 5;
Fig. 7 is one section a perspective exploded view of the invention process example four;
Fig. 8 is the front view of Fig. 7.
Embodiment
Below in conjunction with embodiment the present invention is described in detail.
Embodiment one
See also Fig. 1 and Fig. 2, improve the central beam tube type optical cable of structure, it comprises the light transmitting fiber 1 that is positioned within the loose sleeve pipe 2, be positioned at water blocking layer 3 outside the loose sleeve pipe, be positioned at armor 4 outside the water blocking layer, be positioned at the reinforcement 5 outside the armor and be positioned at restrictive coating 6 outside the armor; Reinforcement is positioned at restrictive coating; It is characterized in that: reinforcement 5 is close to armor; The material of pine sleeve pipe is parylene's butanediol ester; Water blocking layer is a waterstop; Armor is the steel band of embossing; Reinforcement is a steel wire; Reinforcement is two, and reinforcement distributes along the armor outer symmetrically; Light transmitting fiber has four.
The central beam tube type optical cable that adopts the present invention to improve structure is compared with optical cable of the prior art, and external diameter can reduce the distance between original reinforcement of twice and the armor at least; The oversheath consumption has reduced 15%; Therefore, can reduce cost greatly, improve the power of striving unexpectedly of product, save more resources.
Embodiment two
See also Fig. 3 and Fig. 4, basic difference is: described reinforcement has four with implementing one, and asymmetric distributes along the armor outer.
Because increased the quantity of reinforcement, therefore, the diameter of reinforcement can reduce relatively, therefore, the entire outer diameter of optical cable can further be dwindled, and can save the material consumption of oversheath more; The consumption of oversheath can reduce 25%.
Embodiment three
See also Fig. 5 and Fig. 6, basic with implementing one, difference is: two convex bodies 7 that protrude this oversheath edge are arranged on the described oversheath; And some is positioned at described reinforcement within the convex body; And the convex body distributes symmetrically along the outer jacket edge.
Because the existence of convex body, and reinforcement has part to be positioned at the convex body, therefore, the thickness of cable outer sheath can attenuate, therefore, and on arbitrary xsect, the position of cable size maximum, minimizing value are the distance between original reinforcement of twice and the armor, and the size of position minimizing is more in addition; So can save the material consumption of oversheath more; The consumption of oversheath can reduce 40%; Reach the lower purpose of cost.
Embodiment four
See also Fig. 7 and Fig. 8, basic with implementing three, difference is: described light transmitting fiber is positioned within the fibre ribbon 11; Optical fiber has four; Fibre ribbon is positioned within the loose sleeve pipe in stacked mode.
Because fibre ribbon is positioned in the loose sleeve pipe, therefore, except that having above-mentioned advantage, the fibre core density of optical cable is higher.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment also can be filled with the material that blocks water in the gap within the described loose sleeve pipe; The described material that blocks water is petroleum jelly or water-proofing powder or water blocking yarn.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, the material of described loose sleeve pipe can be parylene's butanediol ester or modified polypropene.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, described water blocking layer can be waterstop or water blocking yarn or nonwoven fabrics.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, described armor can be the steel band of the steel band of embossing not or embossing or the not aluminium strip of embossing or the aluminium strip or the glass fiber tape of embossing.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, described reinforcement can be steel wire or Fibreglass Reinforced Plastics.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, described reinforcement is at least two, and reinforcement distributes along the armor outer symmetrical or asymmetricly.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment can be provided with the convex body 7 that protrudes this oversheath edge on the described oversheath; And some is positioned at described reinforcement within the convex body.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, described light transmitting fiber are at least one.
Further, the central beam tube type optical cable of above-mentioned described improvement structure is characterized in that described light transmitting fiber is positioned within the fibre ribbon 11.
Further, the central beam tube type optical cable of above-mentioned described improvement structure is characterized in that described fibre ribbon has one at least; Be positioned within the loose sleeve pipe in stacked mode when having many.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, the material of described oversheath are plastics.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, described convex body can be many; And be distributed in the oversheath edge symmetrical or asymmetricly.
Certainly, the central beam tube type optical cable of the improvement structure described in above-mentioned arbitrary embodiment, the diameter of described reinforcement can be identical, also can be inequality.
This paper understands exemplary embodiment of the present invention and present preferred implementation specifically, should be appreciated that the present invention conceives can implement utilization by other various forms, and they drop in protection scope of the present invention equally.

Claims (10)

1. improve the central beam tube type optical cable of structure, it comprises the light transmitting fiber (1) that is positioned within the loose sleeve pipe (2), be positioned at water blocking layer (3) outside the loose sleeve pipe, be positioned at armor (4) outside the water blocking layer, be positioned at the reinforcement (5) outside the armor and be positioned at restrictive coating (6) outside the armor; Reinforcement is positioned at restrictive coating; It is characterized in that: reinforcement (5) is close to armor.
2. according to the central beam tube type optical cable of the described improvement structure of claim 1, it is characterized in that: be filled with the material that blocks water in the gap within the described loose sleeve pipe; The described material that blocks water is petroleum jelly or water-proofing powder or water blocking yarn.
3. according to the central beam tube type optical cable of the described improvement structure of claim 1, it is characterized in that: the material of described loose sleeve pipe is parylene's butanediol ester or modified polypropene; Described water blocking layer is waterstop or water blocking yarn or nonwoven fabrics; Described armor is the steel band of the steel band of not embossing or embossing or the not aluminium strip of embossing or the aluminium strip or the glass fiber tape of embossing; Described reinforcement is steel wire or Fibreglass Reinforced Plastics; The material of described oversheath is plastics.
4. according to the central beam tube type optical cable of the described improvement structure of claim 1, it is characterized in that: described reinforcement is at least two, and reinforcement distributes along the armor outer symmetrical or asymmetricly.
5. according to the central beam tube type optical cable of the described improvement structure of claim 1, it is characterized in that: the convex body (7) that protrudes this oversheath edge is arranged on the described oversheath; And some is positioned at described reinforcement within the convex body.
6. according to the central beam tube type optical cable of the described improvement structure of claim 1, it is characterized in that: described light transmitting fiber is at least one.
7. according to the central beam tube type optical cable of the described improvement structure of claim 6, it is characterized in that: described light transmitting fiber is positioned within the fibre ribbon (11).
8. according to the central beam tube type optical cable of the described improvement structure of claim 7, it is characterized in that: described fibre ribbon has one at least; Be positioned within the loose sleeve pipe in stacked mode when having many.
9. according to the central beam tube type optical cable of the described improvement structure of claim 1, it is characterized in that: described convex body can be many; And be distributed in the oversheath edge symmetrical or asymmetricly.
10. according to the central beam tube type optical cable of the described improvement structure of claim 1, it is characterized in that: the diameter of described reinforcement is identical or inequality.
CN200910221815A 2009-11-11 2009-11-11 Central tube bundle optical cable with improved structure Pending CN101706605A (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101825753A (en) * 2010-05-18 2010-09-08 吴江市胜信光电科技有限公司 Novel parallel steel wire center beam tube ribbon optical cable
CN102081207A (en) * 2011-01-18 2011-06-01 江苏长飞中利光纤光缆有限公司 Central tube optical cable with compact structure
CN102162890A (en) * 2011-05-18 2011-08-24 江苏长飞中利光纤光缆有限公司 Central-tube type optical cable
CN102393547A (en) * 2011-12-08 2012-03-28 南京烽火藤仓光通信有限公司 Optical fiber bundle and manufacturing method thereof
CN102590967A (en) * 2012-04-07 2012-07-18 常熟市谷雷特机械产品设计有限公司 Leading-in optical cable
CN104765118A (en) * 2015-04-23 2015-07-08 龚利芬 Waterproof loose tube and optical cable using loose tube
CN105785528A (en) * 2014-06-26 2016-07-20 尹红 Nonmetal optical cable capable of preventing lightening
CN106383389A (en) * 2016-07-13 2017-02-08 周海燕 Manufacturing method of water blocking powder half-dry type optical cable
CN106950668A (en) * 2015-04-23 2017-07-14 龚利芬 A kind of central-beam tube type fiber optic cable and preparation method

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101825753A (en) * 2010-05-18 2010-09-08 吴江市胜信光电科技有限公司 Novel parallel steel wire center beam tube ribbon optical cable
CN102081207A (en) * 2011-01-18 2011-06-01 江苏长飞中利光纤光缆有限公司 Central tube optical cable with compact structure
CN102162890A (en) * 2011-05-18 2011-08-24 江苏长飞中利光纤光缆有限公司 Central-tube type optical cable
CN102393547A (en) * 2011-12-08 2012-03-28 南京烽火藤仓光通信有限公司 Optical fiber bundle and manufacturing method thereof
CN102590967A (en) * 2012-04-07 2012-07-18 常熟市谷雷特机械产品设计有限公司 Leading-in optical cable
CN105785528A (en) * 2014-06-26 2016-07-20 尹红 Nonmetal optical cable capable of preventing lightening
CN105785528B (en) * 2014-06-26 2019-01-01 湖南神通光电科技有限责任公司 A kind of non-metallic optical fiber cables that can be anti-lightning strike
CN104765118A (en) * 2015-04-23 2015-07-08 龚利芬 Waterproof loose tube and optical cable using loose tube
CN106950668A (en) * 2015-04-23 2017-07-14 龚利芬 A kind of central-beam tube type fiber optic cable and preparation method
CN107357012A (en) * 2015-04-23 2017-11-17 龚利芬 A kind of waterproof Loose tube and the optical cable using the Loose tube
CN104765118B (en) * 2015-04-23 2017-11-28 浙江江山博奥电气有限公司 Waterproof Loose tube and the optical cable using the Loose tube
CN107462958A (en) * 2015-04-23 2017-12-12 龚利芬 Waterproof Loose tube and the optical cable using the Loose tube
CN106383389A (en) * 2016-07-13 2017-02-08 周海燕 Manufacturing method of water blocking powder half-dry type optical cable

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Application publication date: 20100512