CN104914530A - Production method for metal-free rat-proof optical cable - Google Patents
Production method for metal-free rat-proof optical cable Download PDFInfo
- Publication number
- CN104914530A CN104914530A CN201510286025.7A CN201510286025A CN104914530A CN 104914530 A CN104914530 A CN 104914530A CN 201510286025 A CN201510286025 A CN 201510286025A CN 104914530 A CN104914530 A CN 104914530A
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- Prior art keywords
- sheath
- cavity
- reinforced pipe
- optical cable
- center sleeve
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/4486—Protective covering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a production method for a metal-free rat-proof optical cable. A central bushing is fixed at the middle part of a PE sheath firstly, and the external circumferential wall of the central bushing is ensured to be closely contacted with the internal wall of the PE sheath; after multiple optical fibers are arranged in the central bushing, fiber paste is fully injected in the central bushing so that the internal wall of the PE sheath is enabled to be completely supported; and then a layer of reinforcing tube is arranged at the external wall of the PE sheath in a sleeving way, multiple cavities are arranged in the reinforcing tube, materials capable of repelling rats, such as capsaicin, are fully injected in the cavities, and the multiple cavities are arranged in a mode that multiple groups of the cavities are distributed along the center of the circle of the reinforcing tube and each group of the cavities comprise multiple cavities which are evenly distributed in the circumferential direction of the reinforcing tube. No metal component is arranged in the reinforcing tube, i.e. the optical fibers arranged at the exact center are not influenced by external moisture under multiple protection of the reinforcing tube, the PE sheath and the central bushing so that stable working performance of the optical cable in mountain water-rich regional areas can be guaranteed and the service life of the optical cable can be prolonged.
Description
Technical field
The present invention relates to fiber optic cable manufacture field, specifically refer to the production method without metal rodent-resistant cable.
Background technology
In daily life, because light is more much lower in the loss of electric wire conduction than electricity in fibre-optic conduction loss, optical fiber is used as the information transmission of long distance.Most optical fiber before use must be coated by which floor operator guards, and namely the cable after coated is called as optical cable, and the protective seam of fiber outer layer and insulation course can prevent surrounding environment to the injury of optical fiber, Ru Shui, fire, electric shock etc.
For the requirement with optical cable laying landform, while meeting optical cable transmission performance, also require that optical cable meets the applicability to laying environment, as the optical cable laying demand fulfillment insect protected at Mountainous Regions destroys, the particularly rodent such as mouse, existing rodent-resistant cable mainly adopts two kinds of forms: 1, adopt chemical method, capsicim is increased in Cable jacket materials, this kind of method meeting environmental concerns in production run and use, as time goes by simultaneously, capsicim easily volatilizees from sheath material, causes optical cable to lose protection against rodents ability; 2, mechanical means is adopted, mainly increase the number of plies of steel-tape armouring and the thickness of steel band, this kind of method increases causing the weight of optical cable, cost raises, and difficulty of construction is large, be not suitable for the built on stilts construction in mountain area especially, simultaneously after oversheath is snapped, steel band is exposed as easy as rolling off a logly in atmosphere to get rusty, and loses anti-rat.
Summary of the invention
The object of the present invention is to provide the production method without metal rodent-resistant cable, with reach be reduced in Mountainous Regions optical cable laying time mouse suffer from etc. the object had a strong impact on is caused to optical cable.
Object of the present invention is achieved through the following technical solutions:
Without the production method of metal rodent-resistant cable, comprise the following steps,
(A), first at the middle part dead center sleeve pipe of PE sheath, ensure the outer circle wall of center sleeve and the inwall close contact of PE sheath simultaneously;
(B), by after in multiple optical fiber centering sleeve pipe, then fill fine cream in center sleeve, PE jacket inner wall is completely supported;
(C) and then at the sheathed one deck reinforced pipe of the outer wall of PE sheath, and in reinforced pipe, offer multiple cavity, the material that capsicim etc. can expel mouse is filled in cavity, and multiple cavity by many groups that distribute along the reinforced pipe center of circle and is often organized cavity to comprise and be evenly distributed on reinforced pipe multiple mode circumferentially and arrange, namely complete the processing of optical cable;
The center sleeve that above-mentioned steps comprises PE sheath and is arranged in the middle part of PE sheath, fine cream is filled with in described center sleeve, and in multiple optical fiber dead center sleeve pipe, the outer wall of described PE sheath is arranged with reinforced pipe, and multiple cavity is had in described reinforced pipe, be filled with capsicim in cavity, described cavity is many groups along the distribution of the reinforced pipe center of circle, and often organizes cavity and comprise and be evenly distributed on reinforced pipe circumferentially multiple.For in prior art, the optical cable laying of Mountainous Regions is vulnerable to the destruction of the rodents such as mouse, cause the sheath of optical cable impaired, and the metallic supports being positioned at sheath is easily subject to cargo sweat, and then shorten the problem in optical cable serviceable life, the present invention in use, when running into mouse and suffering from, mouse baits reinforced pipe until the cavity on reinforced pipe is broken, namely discharge capsicim to stop baiting further of mouse at once, any hardware is not set in reinforced pipe simultaneously, namely at reinforced pipe, under the multiple protective of PE sheath and center sleeve, be positioned at the impact that RC optical fiber can not be subject to extraneous moisture, and then ensure the serviceability that optical cable is stable in water enrichment area area, mountain region, extend the serviceable life of optical cable, in center sleeve, the gap location of multiple optical fiber is all filled with fine cream simultaneously, the effect of mechanical damping can also be played while can being fixed sleeve pipe and optical fiber to a certain extent, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable.
Described PE jacket inner wall is disposed with reticulate pattern composite band, waterstop along the radial inward of described PE sheath, and the outer wall of described center sleeve contacts with the inwall of waterstop.The reticulate pattern composite band radially-inwardly set gradually along PE sheath, waterstop play multi-stage protection effect to sleeve pipe simultaneously; reticulate pattern composite band can further improve the bend performance of optical cable simultaneously; waterstop can prevent from scurrying in optical fiber in the location part aqueous vapor of water enrichment area; while ensureing that serviceability stablized by optical fiber, be reduced in cable bend stressed time optical fiber impaired probability.
The many groups of interlaced settings of described cavity.As preferably; the annular that multiple cavity is formed is crisscross arranged; realize protecting the multilayer of reinforced pipe; namely after the cavity of ground floor destruction makes part capsicim discharge by mouse; secondary is carried out when baiting in the same position of remaining mouse to optical cable, and the capsicim in the cavity of the second layer and cavity can carry out secondary protection to it, the like; the reinforced pipe be set on PE sheath can carry out multiple protective to the core of optical cable, and then reaches the object in the serviceable life extending optical cable.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention is under the multiple protective of reinforced pipe, PE sheath and center sleeve, be positioned at the impact that RC optical fiber can not be subject to extraneous moisture, and then ensure the serviceability that optical cable is stable in water enrichment area area, mountain region, extend the serviceable life of optical cable, in center sleeve, the gap location of multiple optical fiber is all filled with fine cream simultaneously, the effect of mechanical damping can also be played while can being fixed sleeve pipe and optical fiber to a certain extent, final realization ensures the compact of optical cable inner structure, improves the object of the counter-bending and damage-retardation performance of optical cable;
2, the present invention radially-inwardly sets gradually along PE sheath reticulate pattern composite band, waterstop play multi-stage protection effect to sleeve pipe simultaneously, reticulate pattern composite band can further improve the bend performance of optical cable simultaneously, waterstop can prevent from scurrying in optical fiber in the location part aqueous vapor of water enrichment area, while ensureing that serviceability stablized by optical fiber, be reduced in cable bend stressed time optical fiber impaired probability;
3, the present invention is after the cavity of ground floor destruction makes part capsicim discharge by mouse; secondary is carried out when baiting in the same position of remaining mouse to optical cable; capsicim in the cavity of the second layer and cavity can carry out secondary protection to it; the like; the reinforced pipe be set on PE sheath can carry out multiple protective to the core of optical cable, and then reaches the object in the serviceable life extending optical cable.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding parts title in accompanying drawing:
The fine cream of 1-PE sheath, 2-reinforced pipe, 3-cavity, 4-reticulate pattern composite band, 5-waterstop, 6-center sleeve, 7-optical fiber, 8-.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises the following steps,
(A), first at the middle part dead center sleeve pipe 6 of PE sheath 1, ensure the outer circle wall of center sleeve 6 and the inwall close contact of PE sheath 1 simultaneously;
(B), by after in multiple optical fiber 7 centering sleeve pipe 6, then fill fine cream 8 in center sleeve 6, PE sheath 1 inwall is completely supported;
(C) and then at the sheathed one deck reinforced pipe 2 of the outer wall of PE sheath 1, and in reinforced pipe 2, offer multiple cavity 3, the material that capsicim etc. can expel mouse is filled in cavity 3, and multiple cavity 3 by many groups that distribute along reinforced pipe 2 center of circle and is often organized cavity 3 to comprise and be evenly distributed on reinforced pipe 2 multiple mode circumferentially and arrange, namely complete the processing of optical cable;
Comprise PE sheath 1 and be arranged on the center sleeve 6 in the middle part of PE sheath 1, fine cream 8 is filled with in described center sleeve 6, and in multiple optical fiber 7 dead center sleeve pipe 6, the outer wall of described PE sheath 1 is arranged with reinforced pipe 2, and multiple cavity 3 is had in described reinforced pipe 2, be filled with capsicim in cavity 3, described cavity 3 is many groups along the distribution of reinforced pipe 2 center of circle, and often organizes cavity 3 and comprise and be evenly distributed on reinforced pipe 2 circumferentially multiple.
For in prior art, the optical cable laying of Mountainous Regions is vulnerable to the destruction of the rodents such as mouse, cause the sheath of optical cable impaired, and the metallic supports being positioned at sheath is easily subject to cargo sweat, and then shorten the problem in optical cable serviceable life, the present invention is first at the middle part dead center sleeve pipe 6 of PE sheath 1, ensure the outer circle wall of center sleeve 6 and the inwall close contact of PE sheath 1 simultaneously, after in multiple optical fiber 7 centering sleeve pipe 6, fine cream 8 is filled again in center sleeve 6, PE sheath 1 inwall is completely supported, and then at the sheathed one deck reinforced pipe 2 of the outer wall of PE sheath 1, and in reinforced pipe 2, offer multiple cavity 3, the material that capsicim etc. can expel mouse is filled in cavity 3, and by multiple cavity 3 by many groups that distribute along reinforced pipe 2 center of circle, and often organize cavity 3 and comprise and be evenly distributed on reinforced pipe 2 multiple mode circumferentially and arrange, namely the processing of optical cable is completed, and the present invention in use, when running into mouse and suffering from, mouse baits reinforced pipe 2 until the cavity 3 on reinforced pipe 2 is broken, namely discharge capsicim to stop baiting further of mouse at once, any hardware is not set in reinforced pipe 2 simultaneously, namely at reinforced pipe 2, under the multiple protective of PE sheath 1 and center sleeve 6, be positioned at the impact that RC optical fiber 7 can not be subject to extraneous moisture, and then ensure the serviceability that optical cable is stable in water enrichment area area, mountain region, extend the serviceable life of optical cable, in center sleeve 6, the gap location of multiple optical fiber 7 is all filled with fine cream 8 simultaneously, the effect of mechanical damping can also be played while can being fixed sleeve pipe and optical fiber 7 to a certain extent, final realization ensures the compact of optical cable inner structure, improve the object of the counter-bending and damage-retardation performance of optical cable.
Further; the reticulate pattern composite band 4 radially-inwardly set gradually along PE sheath 1, waterstop 5 play multi-stage protection effect to sleeve pipe simultaneously; reticulate pattern composite band 4 can further improve the bend performance of optical cable simultaneously; waterstop 5 can prevent from scurrying in optical fiber 7 in the location part aqueous vapor of water enrichment area; while ensureing optical fiber 7 steady operation performance, be reduced in cable bend stressed time optical fiber 7 impaired probability.
As preferably; the annular that multiple cavity 3 is formed is crisscross arranged; realize protecting the multilayer of reinforced pipe 2; namely after the cavity 3 of ground floor destruction makes part capsicim discharge by mouse; secondary is carried out when baiting in the same position of remaining mouse to optical cable; capsicim in the cavity 3 of the second layer and cavity 3 can carry out secondary protection to it; the like; the reinforced pipe 2 be set on PE sheath 1 can carry out multiple protective to the core of optical cable, and then reaches the object in the serviceable life extending optical cable.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. without the production method of metal rodent-resistant cable, it is characterized in that: comprise the following steps,
(A), first at middle part dead center sleeve pipe (6) of PE sheath (1), ensure the outer circle wall of center sleeve (6) and the inwall close contact of PE sheath (1) simultaneously;
(B), by after in multiple optical fiber (7) centering sleeve pipe (6), then fill fine cream (8) in center sleeve (6), PE sheath (1) inwall is completely supported;
(C) and then the sheathed one deck reinforced pipe (2) of the outer wall of PE sheath (1), and multiple cavity (3) is offered in reinforced pipe (2), the material that capsicim etc. can expel mouse is filled in cavity (3), and by multiple cavity (3) by often organizing cavity (3) and comprise along many groups of the distribution of reinforced pipe (2) center of circle and be evenly distributed on reinforced pipe (2) multiple mode circumferentially and arrange, namely complete the processing of optical cable;
Above-mentioned steps comprises PE sheath (1) and is arranged on the center sleeve (6) at PE sheath (1) middle part, fine cream (8) is filled with in described center sleeve (6), and in multiple optical fiber (7) dead center sleeve pipe (6), the outer wall of described PE sheath (1) is arranged with reinforced pipe (2), and multiple cavity (3) is had in described reinforced pipe (2), cavity is filled with capsicim in (3), described cavity (3) is many groups along the distribution of reinforced pipe (2) center of circle, and often organize cavity (3) and comprise and be evenly distributed on reinforced pipe (2) circumferentially multiple.
2. the production method without metal rodent-resistant cable according to claim 1, it is characterized in that: the radial inward along described PE sheath (1) on described PE sheath (1) inwall is disposed with reticulate pattern composite band (4), waterstop (5), and the outer wall of described center sleeve (6) contacts with the inwall of waterstop (5).
3. the production method without metal rodent-resistant cable according to claim 1, is characterized in that: described cavity (3) the interlaced setting of many groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510286025.7A CN104914530A (en) | 2015-05-29 | 2015-05-29 | Production method for metal-free rat-proof optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510286025.7A CN104914530A (en) | 2015-05-29 | 2015-05-29 | Production method for metal-free rat-proof optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN104914530A true CN104914530A (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510286025.7A Pending CN104914530A (en) | 2015-05-29 | 2015-05-29 | Production method for metal-free rat-proof optical cable |
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| CN (1) | CN104914530A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761678A (en) * | 2018-05-22 | 2018-11-06 | 安徽电信器材贸易工业有限责任公司 | A kind of high-strength light wearability communications optical cable |
| CN108802925A (en) * | 2016-04-14 | 2018-11-13 | 杭州富通通信技术股份有限公司 | A kind of optical cable |
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| CN201876584U (en) * | 2010-11-27 | 2011-06-22 | 山东太平洋光缆有限公司 | Non-metallic reinforced center bundle outdoor cable |
| CN201886813U (en) * | 2010-12-22 | 2011-06-29 | 江苏宏图高科技股份有限公司 | Ratproof cable with double-layer protective sleeve |
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| CN204130242U (en) * | 2014-03-18 | 2015-01-28 | 安徽金阳电器科技发展有限责任公司 | A kind of anti-insect bite shielded type cable with cross rubber skeleton |
| CN104616799A (en) * | 2015-01-31 | 2015-05-13 | 安徽红旗电缆集团有限公司 | Rat-proof and termite-proof cable |
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2015
- 2015-05-29 CN CN201510286025.7A patent/CN104914530A/en active Pending
Patent Citations (8)
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| CN1885080A (en) * | 2006-06-28 | 2006-12-27 | 双塔集团吴江特种光电线缆厂 | Cable jacket material capable of preventing mouse and bird |
| CN201876584U (en) * | 2010-11-27 | 2011-06-22 | 山东太平洋光缆有限公司 | Non-metallic reinforced center bundle outdoor cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108802925A (en) * | 2016-04-14 | 2018-11-13 | 杭州富通通信技术股份有限公司 | A kind of optical cable |
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| CN108828737A (en) * | 2016-04-14 | 2018-11-16 | 杭州富通通信技术股份有限公司 | A kind of optical cable |
| CN108761678A (en) * | 2018-05-22 | 2018-11-06 | 安徽电信器材贸易工业有限责任公司 | A kind of high-strength light wearability communications optical cable |
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Application publication date: 20150916 |