CN110596835A - Tensile lightning protection optical cable for base station iron tower - Google Patents
Tensile lightning protection optical cable for base station iron tower Download PDFInfo
- Publication number
- CN110596835A CN110596835A CN201910794164.9A CN201910794164A CN110596835A CN 110596835 A CN110596835 A CN 110596835A CN 201910794164 A CN201910794164 A CN 201910794164A CN 110596835 A CN110596835 A CN 110596835A
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- Prior art keywords
- wall
- tensile
- optical cable
- lightning protection
- base station
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Classifications
-
- 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
- G02B6/4415—Cables for special applications
-
- 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
- G02B6/443—Protective covering
-
- 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
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Communication Cables (AREA)
Abstract
The invention discloses a tensile lightning protection optical cable for a base station iron tower, which belongs to the technical field of optical cables and comprises a central reinforcement, wherein an optical fiber unit is arranged in a loose tube, an inner sheath is arranged on the outer wall of the loose tube, a glass fiber net layer is arranged on the outer wall of the inner sheath, a waterproof layer is arranged on the outer wall of the glass fiber net layer, a second tensile elastic sleeve matched with the first tensile elastic sleeve is arranged on the outer wall of the first tensile elastic sleeve, a water blocking tape is arranged on the outer wall of the second tensile elastic sleeve, and a flame-retardant polyvinyl chloride sheath is arranged on the outer wall of the water blocking tape. The optical cable has excellent lightning protection and waterproof performance.
Description
Technical Field
The invention relates to the technical field of optical cables, in particular to a tensile lightning protection optical cable for a base station iron tower.
Background
At present, optical cables are widely used for communication facilities in industrial production and building engineering, and the existing optical cables for base station iron towers have the following defects when in use: 1. the existing optical cable is poor in lightning protection effect, equipment connected with the optical cable is mobile communication equipment and not power equipment, so that communication equipment is damaged once the optical cable is struck by lightning, and rainwater can enter the optical cable when the optical cable is struck by lightning, so that the problem that the signal transmission performance of the optical cable is deteriorated easily after the optical cable is in water is caused; 2. the optical cable is used on the base station iron tower vertically, so that the requirement on tensile resistance is high, the existing optical cable cannot meet the use requirement due to the fact that the tensile resistance cannot be achieved, and therefore the tensile lightning protection optical cable for the base station iron tower is provided.
Disclosure of Invention
The invention aims to provide a tensile lightning protection optical cable for a base station iron tower, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a base station is tensile lightning protection optical cable for iron tower, includes central reinforcement, central reinforcement outer wall ring array evenly is provided with the loose tube, the intraductal optic fibre unit that is provided with of loose tube, loose tube outer wall is provided with the inner sheath, it has the fine cream that blocks water to fill between inner sheath inner wall and the central reinforcement outer wall, the inner sheath outer wall is provided with the glass fiber stratum reticulare, glass fiber stratum reticulare outer wall is provided with the waterproof layer, the waterproof layer outer wall is provided with tensile elastic sleeve one, tensile elastic sleeve one outer wall is provided with matched with tensile elastic sleeve two, tensile elastic sleeve outer wall is provided with the waterproofing area, the waterproofing area outer wall is provided with fire-retardant polyvinyl chloride sheath.
Further, an outer wall of the tensile elastic sleeve is uniformly and fixedly provided with a first annular elastic bulge in an equal distance, an inner wall of the tensile elastic sleeve is uniformly and fixedly provided with a second annular elastic bulge in an equal distance, and the first annular elastic bulge and the second annular elastic bulge are mutually staggered, attached and connected together.
Further, a water blocking material is filled between the loose tube and the optical fiber unit.
Furthermore, an assembly cavity is longitudinally formed in the inner sheath in an annular array mode, and a non-metal reinforcing part is fixedly embedded in the assembly cavity.
Furthermore, the outer wall of the flame-retardant polyvinyl chloride sheath is uniformly provided with wear-resistant bulges in an annular array.
Further, arc-shaped fixing grooves matched with the loose tubes are formed in the outer wall of the central reinforcing piece and the inner wall of the inner sheath.
Furthermore, the number of the loose tubes is three, and the three loose tubes are distributed on the outer wall of the central reinforcement along the annular array.
Compared with the prior art, the invention has the beneficial effects that:
1) the optical cable adopts a metal-free structural design to effectively play a role in preventing lightning from being introduced, and meanwhile, the optical cable adopts the water-blocking tape to play a role in first-layer waterproof performance, when the water-blocking tape is damaged, the arranged waterproof layer can prevent water from entering to the minimum, and meanwhile, the water-blocking paste and the water-blocking material in the optical cable are matched, so that the problem that the transmission performance of the optical cable is deteriorated due to the entering water is avoided, and the optical cable has excellent lightning protection and waterproof performances;
2) the invention adopts the central reinforcement which is made of aramid yarn or aramid rope, has good flexibility and reduces the tensile force which needs to be born during construction and vertical laying, adopts the non-metal reinforcement to well improve the contraction performance of the inner sheath of the optical cable while playing a role of tensile force, is provided with the first tensile elastic sleeve and the second tensile elastic sleeve, greatly improves the tensile force capability of the optical cable by matching the first annular elastic bulge and the second annular elastic bulge, buffers the tensile force and prolongs the service life, and the glass fiber net layer has high strength and high toughness, further improves the tensile force and the bending resistance of the optical cable, and simultaneously improves the overall strength of the optical cable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the tensile elastic sleeve of the invention.
In the figure: 1. a central reinforcement; 2. loosening the sleeve; 3. an optical fiber unit; 4. an inner sheath; 5. water-blocking fiber paste; 6. a non-metallic reinforcement; 7. a fiberglass mesh layer; 8. a waterproof layer; 9. a tensile elastic sleeve I; 91. the annular elastic bulge I; 10. a second tensile elastic sleeve; 101. a second annular elastic bulge; 11. a water blocking tape; 12. a flame retardant polyvinyl chloride sheath; 121. wear-resistant protrusions; 13. a water-blocking material.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a tensile lightning protection optical cable for a base station iron tower, please refer to fig. 1, comprises a central reinforcing member 1, wherein the central reinforcing member 1 can be made of aramid yarn or aramid rope, has high strength and good flexibility, can reduce the tensile force required to be borne by the optical cable, improves the bending property of the optical cable, and is convenient for laying and using the optical cable;
referring to fig. 1, loose tubes 2 are uniformly arranged in an annular array on the outer wall of a central reinforcement 1, and the loose tubes 2 are used for protecting internal optical fiber units 3;
referring to fig. 1, an optical fiber unit 3 is disposed in the loose tube 2, and the optical fiber unit 3 may be an optical fiber, an optical fiber bundle or an optical fiber ribbon, which belongs to the prior art and is not limited herein;
referring to fig. 1, an inner sheath 4 is arranged on the outer wall of the loose tube 2, water-blocking fiber paste 5 is filled between the inner wall of the inner sheath 4 and the outer wall of the central reinforcement 1, and the water-blocking fiber paste 5 makes the interior more compact and plays a role in blocking water;
referring to fig. 1, the glass fiber mesh layer 7 is disposed on the outer wall of the inner sheath 4, and the glass fiber mesh layer 7 has high strength and high toughness, so as to further improve the tensile and bending resistance of the optical cable, and also improve the overall strength of the optical cable;
referring to fig. 1, a waterproof layer 8 is arranged on the outer wall of a glass fiber net layer 7, the waterproof layer 8 can be made of a high water absorption resin layer, the high water absorption resin layer is insoluble in water and insoluble in organic solvents, can absorb water several hundred times to several thousand times of the weight of the high water absorption resin layer, is strong in water retention, and cannot be extruded out even if pressure is applied, so that the high water absorption resin in a wound part can exert a sealing effect due to expansion in case of damage of the outer wall of the optical cable, and water can be prevented from entering to the minimum;
referring to fig. 1, a first tensile elastic sleeve 9 is arranged on the outer wall of the waterproof layer 8, a second tensile elastic sleeve 10 matched with the first tensile elastic sleeve 9 is arranged on the outer wall of the first tensile elastic sleeve 9, and the first tensile elastic sleeve 9 and the second tensile elastic sleeve 10 are matched with each other to improve the tensile property of the optical cable;
referring to fig. 1, the outer wall of the second tensile elastic sleeve 10 is provided with a water blocking tape 11, the water blocking tape 11 may be woven by polyester non-woven fabric, and in practical situations, in order to further improve the water blocking performance, and a waterproof ointment is coated on the exterior of the water blocking tape 11 to further prevent water, the outer wall of the water blocking tape 11 is provided with a flame retardant polyvinyl chloride sheath 12.
As shown in fig. 2: the outer wall of the first tensile elastic sleeve 9 is uniformly and fixedly provided with first annular elastic bulges 91 at equal intervals, the inner wall of the second tensile elastic sleeve 10 is uniformly and fixedly provided with second annular elastic bulges 101 at equal intervals, the first annular elastic bulges 91 and the second annular elastic bulges 101 are mutually staggered, attached and connected together, the first annular elastic bulges 91 and the second annular elastic bulges 101 are both made of elastic materials, and the tensile property of the optical cable is improved through mutual meshing force of the first annular elastic bulges 91 and the second annular elastic bulges 101;
as shown in fig. 1: a water blocking material 13 is filled between the loose tube 2 and the optical fiber unit 3, and the water blocking material 13 can be one or more of ointment, water blocking powder and a water blocking rope;
as shown in fig. 1: an assembly cavity is longitudinally formed in the inner sheath 4 in an annular array, a nonmetal reinforcing part 6 is fixedly embedded in the assembly cavity, the nonmetal reinforcing part 6 improves the tensile property of the optical cable, the nonmetal reinforcing part 6 is disclosed in the prior art, for example, in the patent number ' CN201420340683.0 ', the invention is disclosed to comprise a cable core, a reinforcing part and a protective layer, the protective layer is coated outside the cable core and the reinforcing part, the protective layer is composed of a water blocking tape, a ceramic fiber tape and an outer sheath, ' two parallel nonmetal reinforcing parts are embedded in the sheath, and the shrinkage property of the optical cable sheath is well improved while the tensile effect is achieved;
as shown in fig. 1: the wear-resistant protrusions 121 are uniformly arranged on the outer wall of the flame-retardant polyvinyl chloride sheath 12 in an annular array, the wear-resistant protrusions 121 can be bonded to the outer wall of the flame-retardant polyvinyl chloride sheath 12 through waterproof glue layers, the wear-resistant protrusions 121 improve the wear resistance of the flame-retardant polyvinyl chloride sheath 12 and prolong the service life, and the wear-resistant protrusions 121 can be made of wear-resistant rubber materials;
as shown in fig. 1: arc-shaped fixing grooves matched with the loose tubes 2 are formed in the outer wall of the central reinforcing part 1 and the inner wall of the inner sheath 4, and a certain limiting effect is achieved on the loose tubes 2;
as shown in fig. 1: the number of the loose tubes 2 is three, and the loose tubes 2 are distributed on the outer wall of the central reinforcement member 1 along the annular array and used for protecting the internal optical fiber units 3.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a base station is tensile lightning protection optical cable for iron tower, includes central reinforcement (1), its characterized in that: center reinforcement (1) outer wall annular array evenly is provided with loose sleeve pipe (2), be provided with optical fiber unit (3) in loose sleeve pipe (2), loose sleeve pipe (2) outer wall is provided with inner sheath (4), it has fine cream (5) of blocking water to fill between inner sheath (4) inner wall and center reinforcement (1) outer wall, inner sheath (4) outer wall is provided with glass fiber net layer (7), glass fiber net layer (7) outer wall is provided with waterproof layer (8), waterproof layer (8) outer wall is provided with tensile elastic sleeve (9), tensile elastic sleeve (9) outer wall is provided with matched with tensile elastic sleeve two (10), tensile elastic sleeve two (10) outer wall is provided with water blocking area (11), water blocking area (11) outer wall is provided with fire-retardant polyvinyl chloride sheath (12).
2. The tensile lightning protection optical cable for the base station iron tower according to claim 1, wherein: tensile elastic sleeve (9) outer wall equidistance is evenly fixed and is provided with annular elastic bulge one (91), tensile elastic sleeve two (10) inner wall equidistance is evenly fixed and is provided with annular elastic bulge two (101), and annular elastic bulge one (91) and annular elastic bulge two (101) crisscross laminating each other link together.
3. The tensile lightning protection optical cable for the base station iron tower according to claim 1, wherein: and a water blocking material (13) is filled between the loose tube (2) and the optical fiber unit (3).
4. The tensile lightning protection optical cable for the base station iron tower according to claim 1, wherein: an assembly cavity is longitudinally formed in the inner sheath (4) in an annular array mode, and a nonmetal reinforcing piece (6) is fixedly embedded in the assembly cavity.
5. The tensile lightning protection optical cable for the base station iron tower according to claim 1, wherein: the outer wall of the flame-retardant polyvinyl chloride sheath (12) is uniformly provided with wear-resistant bulges (121) in an annular array.
6. The tensile lightning protection optical cable for the base station iron tower according to claim 1, wherein: the outer wall of the central reinforcement (1) and the inner wall of the inner sheath (4) are both provided with arc-shaped fixing grooves matched with the loose tubes (2).
7. The tensile lightning protection optical cable for the base station iron tower according to claim 1, wherein: the number of the loose tubes (2) is three, and the three loose tubes (2) are distributed on the outer wall of the central reinforcement (1) along the annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794164.9A CN110596835A (en) | 2019-08-27 | 2019-08-27 | Tensile lightning protection optical cable for base station iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794164.9A CN110596835A (en) | 2019-08-27 | 2019-08-27 | Tensile lightning protection optical cable for base station iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110596835A true CN110596835A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910794164.9A Pending CN110596835A (en) | 2019-08-27 | 2019-08-27 | Tensile lightning protection optical cable for base station iron tower |
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| Country | Link |
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| CN (1) | CN110596835A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671646A (en) * | 2021-08-04 | 2021-11-19 | 富通集团（嘉善）通信技术有限公司 | Submarine optical cable |
| CN113703106A (en) * | 2021-07-27 | 2021-11-26 | 杭州富通通信技术股份有限公司 | Optical cable |
| CN113703108A (en) * | 2021-07-27 | 2021-11-26 | 杭州富通通信技术股份有限公司 | Meshing optical cable |
| CN114185138A (en) * | 2021-12-10 | 2022-03-15 | 深圳新澳科电缆有限公司 | Submarine optical cable |
| CN115128751A (en) * | 2022-07-25 | 2022-09-30 | 宏安集团有限公司 | Multi-scene composite wiring optical cable |
-
2019
- 2019-08-27 CN CN201910794164.9A patent/CN110596835A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113703106A (en) * | 2021-07-27 | 2021-11-26 | 杭州富通通信技术股份有限公司 | Optical cable |
| CN113703108A (en) * | 2021-07-27 | 2021-11-26 | 杭州富通通信技术股份有限公司 | Meshing optical cable |
| CN113671646A (en) * | 2021-08-04 | 2021-11-19 | 富通集团（嘉善）通信技术有限公司 | Submarine optical cable |
| CN113671646B (en) * | 2021-08-04 | 2023-10-24 | 富通集团（嘉善）通信技术有限公司 | Submarine optical cable |
| CN114185138A (en) * | 2021-12-10 | 2022-03-15 | 深圳新澳科电缆有限公司 | Submarine optical cable |
| CN114185138B (en) * | 2021-12-10 | 2023-08-01 | 深圳新澳科电缆有限公司 | Submarine optical cable |
| CN115128751A (en) * | 2022-07-25 | 2022-09-30 | 宏安集团有限公司 | Multi-scene composite wiring optical cable |
| CN115128751B (en) * | 2022-07-25 | 2024-03-15 | 宏安集团有限公司 | Multi-scene composite wiring optical cable |
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