CN208672856U - A kind of interior external application rounded groove optical cable - Google Patents
A kind of interior external application rounded groove optical cable Download PDFInfo
- Publication number
- CN208672856U CN208672856U CN201821024107.XU CN201821024107U CN208672856U CN 208672856 U CN208672856 U CN 208672856U CN 201821024107 U CN201821024107 U CN 201821024107U CN 208672856 U CN208672856 U CN 208672856U
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- optical cable
- external application
- oversheath
- rounded groove
- optical fiber
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Abstract
The utility model relates to a kind of indoor external application rounded groove optical cables, it includes oversheath (1), a flat cavity is formed among the oversheath (1), at least one optical fiber (3) and material water-proof material (4) are coated in flat cavity, the optical fiber (3) and material water-proof material (4) pine are placed in flat cavity, it is symmetrically arranged with two reinforcements (2) at left and right sides of the flat cavity, the reinforcer (2) is combined closely with oversheath (1).The beneficial effects of the utility model are: structure is simple, cable outer diameter is small, light-weight, anti-torsion performance is good, fiber transmission performance is excellent, small outer diameter with indoor butterfly-shape optical cable and the fiber transmission performance for having both outdoor loosely shielded optical cable, the advantages of combining indoor butterfly-shape optical cable and outdoor optical cable is suitable for indoor and outdoor and lays.
Description
Technical field
The utility model relates to a kind of indoor external application rounded groove optical cables.
Background technique
It with the universal of broadband access and promotes, optical cable access demand further increases in recent years.Next-generation communication network
Developing direction future will be FTTH/O (fiber to the home), FTTR (optical fiber is to wirelessly) and all-optical network epoch；Optical cable field future
Developing direction be miniaturization, easily construction and it is easy to maintain, be currently with small size fiber unit (Microbundle), flexibility, entirely
The various covered-wire optical cables that dry type beam tube technology and suitable fiber to the home use are leading.At present using it is more be flat
Formula butterfly optical cable exists in use process and occupies that pipeline resource is big, and bendability difference and optical cable laying are easy to appear distortion problem,
Optical fiber and optical cable are fixed modes simultaneously, and certain influence is brought to the performance of optical fiber.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, laying property for the above-mentioned prior art
The excellent indoor external application rounded groove optical cable of energy.
The technical scheme in the invention for solving the above technical problem are as follows: a kind of interior external application rounded groove optical cable, it
Including oversheath, a flat cavity is formed among the oversheath, and at least one optical fiber is coated in flat cavity and is blocked water
Material, the optical fiber and material water-proof material pine are placed in flat cavity, and two are symmetrically arranged at left and right sides of the flat cavity and is added
Strong part, the reinforcer are combined closely with oversheath.
Preferably, the cross section of the oversheath is circle.
Preferably, the surface of outer sheath offers notch.
Preferably, the reinforcer be metal material or nonmetallic materials, metal material be phosphating steel wire or stainless steel wire,
Nonmetallic materials are FRP, KFRP or virtue wheel yarn.
Preferably, the material water-proof material is water blocking yarn, water-proofing powder or the virtue wheel that blocks water.
Preferably, the optical fiber using dispersion-unshifted single mode fiber G.652 or counter-bending single mode optical fiber G.657.
Preferably, the quantity of the optical fiber is 1~4.
Preferably, the material of the oversheath is flame-retardant sheath material LSZH.
Compared with the prior art, the advantages of the utility model are:
1, the utility model cable machinery performance is good, is applicable to indoor and outdoor and lays, and outdoor registers one's residence, hangs and corridor cloth
Line；
2, the utility model optical fiber is in pine set free state inside optical cable, and optical fiber is not answered substantially inside optical cable
Power exists, and the fade performance index of optical fiber is better than conventional butterfly optical cable, and mechanical performance and the environmental performance of entire optical cable are superior to
Conventional butterfly optical cable；
3, the optical cable of the utility model circular cross-section is easy to cable installation in pipe, subtracts and has descended pipeline laying cost, avoids and alleviates
The distortion of optical cable, improves laying quality；
4, it is blocked water mode around the utility model optical fiber using this dry type of water blocking yarn, without removing ointment before cable connection
With cleaning optical fiber, installation effectiveness is improved, reduces mounting cost；
5, the utility model ensures that parallel reinforcer and sheath are combined closely using the mold core die sleeve of special designing, and light
Fine, water blocking yarn and sheath are loose set mode, can ensure that optical cable reinforcer elder generation stress when being stretched power in this way, it is ensured that optical cable
Tensile property.
A kind of indoor external application rounded groove optical cable of the utility model, compact-sized, cable outer diameter is small, tensile strength
The advantages of height, easy for construction, indoor and outdoor all can be used, and combine outdoor pine set cable and conventional flat butterfly optical cable, optical cable was both
It is loose set mode, and has had both all advantages of butterfly optical cable, meanwhile, optical cable shape improves the resistance to torsion of optical cable using circle
Can and performance be laid in the duct.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of indoor external application rounded groove optical cable of the utility model.
Fig. 2 is the sectional view of mold core in a kind of manufacturing method of indoor external application rounded groove optical cable of the utility model.
Fig. 3 is the sectional view of die sleeve in a kind of manufacturing method of indoor external application rounded groove optical cable of the utility model.
Wherein:
Oversheath 1
Reinforcer 2
Optical fiber 3
Material water-proof material 4
Notch 5
Indoor external application rounded groove optical cable 6
Mold core 7
Stainless steel flat tube 8
Die sleeve 9.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figure 1, one of the present embodiment interior external application rounded groove optical cable, it includes oversheath 1, the outer shield
A flat cavity is formed among set 1, is coated at least one optical fiber 3 and material water-proof material 4,3 He of optical fiber in flat cavity
4 pine of material water-proof material is placed in flat cavity, is symmetrically arranged with two reinforcements 2, the reinforcement at left and right sides of the flat cavity
Part 2 is combined closely with oversheath 1；
The cross section of the oversheath 1 is circle；
1 surface of oversheath offers notch 5, convenient for stripping optical fiber when construction；
The notch 5 has twice, the both ends symmetrical above and below for being set to flat cavity of twice notch 5；
The reinforcer 2 can be metal material or nonmetallic materials, and wherein metal material can be phosphating steel wire or stainless steel
Silk, nonmetallic materials can be FRP, KFRP or virtue wheel yarn；
The material water-proof material 4 can be water blocking yarn, water-proofing powder or the stemness water-blocking materials such as virtue wheel that block water；
The optical fiber 3 using dispersion-unshifted single mode fiber G.652 or counter-bending single mode optical fiber G.657；
The quantity of the optical fiber 3 is 1~4；
The material of the oversheath 1 is flame-retardant sheath material LSZH.
A kind of manufacturing method of interior external application rounded groove optical cable, it the following steps are included:
Step 1: optical fiber coloring
Optical fiber is released from the pay off rack of constant laying tension, laying tension is 55 ± 5g, passes through ink application system
Painting is covered with one layer of coloring layer, then so that coloring layer is solidificated in optical fiber surface by a ultravoilet light curing apparatus, then by constant
The take-up stand receipts of takeup tension are wound on disk tool, and takeup tension is 55 ± 5g；
Step 2: sheath
Pay off rack of the optical fiber after coloring together with reinforcer through constant-tension to be released, the laying tension of optical fiber is 55 ±
5g, the laying tension of reinforcer are 10N ± 2N, by extruding machine, are configured with the mold core 7 being adapted with jacket structure on extruding machine
With die sleeve 9, subsequent optical cable is drawn through sink cooling system, is cooled and shaped oversheath, goes later using blow-dry device
After the steam of surface of outer sheath, word is sprayed in cable surface by coding inker, then pass through the take-up stand of constant takeup tension
Receipts are wound on disk tool, and takeup tension is 15 ± 2N；
Stainless steel flat tube 8 is inlayed on mold core 7, stainless steel flat tube 8 is located among mold core 7, the cable-through hole of two reinforcers 2
Positioned at the two sides of stainless steel flat tube 8, stainless steel flat tube 8 stretches out 7 end face of mold core, in this way in sheath extrusion process, reinforcer 2 with
Oversheath 1 is combined closely, and will form the cavity of a flat in the centre of oversheath 1, and optical fiber 3 and material water-proof material 4 are loosely
It is placed in the cavity of flat.
In addition to the implementation, the utility model further includes having other embodiments, all to use equivalents or equivalent
The technical solution that alternative is formed, should all fall within the protection scope of the utility model claims.
Claims (8)
1. a kind of interior external application rounded groove optical cable, it is characterised in that: it includes oversheath (1), the intermediate shape of the oversheath (1)
At a flat cavity, it is coated at least one optical fiber (3) and material water-proof material (4) in flat cavity, the optical fiber (3) and blocks water
Material (4) pine is placed in flat cavity, is symmetrically arranged with two reinforcements (2), the reinforcement at left and right sides of the flat cavity
Part (2) is combined closely with oversheath (1).
2. a kind of indoor external application rounded groove optical cable according to claim 1, it is characterised in that: the oversheath (1)
Cross section is circle.
3. a kind of indoor external application rounded groove optical cable according to claim 1, it is characterised in that: oversheath (1) table
Face offers notch (5).
4. a kind of indoor external application rounded groove optical cable according to claim 1, it is characterised in that: the reinforcer (2) is
Metal material or nonmetallic materials, metal material are phosphating steel wire or stainless steel wire, and nonmetallic materials FRP, KFRP or virtue are taken turns
Yarn.
5. a kind of indoor external application rounded groove optical cable according to claim 1, it is characterised in that: the material water-proof material (4)
For water blocking yarn, water-proofing powder or the virtue wheel that blocks water.
6. a kind of indoor external application rounded groove optical cable according to claim 1, it is characterised in that: the optical fiber (3) uses
Dispersion-unshifted single mode fiber G.652 or counter-bending single mode optical fiber G.657.
7. a kind of indoor external application rounded groove optical cable according to claim 1, it is characterised in that: the number of the optical fiber (3)
Amount is 1~4.
8. a kind of indoor external application rounded groove optical cable according to claim 1, it is characterised in that: the oversheath (1)
Material is flame-retardant sheath material LSZH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821024107.XU CN208672856U (en) | 2018-06-30 | 2018-06-30 | A kind of interior external application rounded groove optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821024107.XU CN208672856U (en) | 2018-06-30 | 2018-06-30 | A kind of interior external application rounded groove optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672856U true CN208672856U (en) | 2019-03-29 |
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ID=65826144
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821024107.XU Active CN208672856U (en) | 2018-06-30 | 2018-06-30 | A kind of interior external application rounded groove optical cable |
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| Country | Link |
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| CN (1) | CN208672856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614338A (en) * | 2018-06-30 | 2018-10-02 | 法尔胜泓昇集团有限公司 | - kind of indoor external application rounded groove optical cable and its manufacturing method |
-
2018
- 2018-06-30 CN CN201821024107.XU patent/CN208672856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614338A (en) * | 2018-06-30 | 2018-10-02 | 法尔胜泓昇集团有限公司 | - kind of indoor external application rounded groove optical cable and its manufacturing method |
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