CN206818932U - A kind of nonmetallic shielding heat insulation and moisture-proof optical cable - Google Patents
A kind of nonmetallic shielding heat insulation and moisture-proof optical cable Download PDFInfo
- Publication number
- CN206818932U CN206818932U CN201720505661.9U CN201720505661U CN206818932U CN 206818932 U CN206818932 U CN 206818932U CN 201720505661 U CN201720505661 U CN 201720505661U CN 206818932 U CN206818932 U CN 206818932U
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- China
- Prior art keywords
- moisture
- reinforcer
- proof
- smis
- pbt
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Abstract
The utility model discloses a kind of nonmetallic shielding heat insulation and moisture-proof optical cable, including SMIS reinforcer, cable core and restrictive coating；Cable core uniform ring is set around SMIS reinforcer, and restrictive coating is coated on outside cable core, filled with the cable cream that blocks water between restrictive coating and SMIS reinforcer；Cable core includes colored optical fiber, PBT modelings pipe, fine cream；PBT modeling pipes are coated on outside colored optical fiber, and fine cream is filled between PBT modelings pipe and colored optical fiber, 3 10 colored optical fibers are included in each PBT modelings pipe；Restrictive coating includes aluminium-plastic tape, PE sheaths, pressure-resistant moisture-proof layer, composite steel-plastic belt, PE outer jackets；The material of pressure-resistant moisture-proof layer is high-temperature polyester band, and thickness is 0.4mm 1.2mm.The utility model is rational in infrastructure, and mechanical strength is good, and anti-pressure ability is good, using high-temperature polyester band, can greatly improve heat insulation and moisture-proof performance, improve weatherability, ensure that the stability of the utility model transmission signal.
Description
Technical field
It the utility model is related to optical fiber production field, more particularly to a kind of nonmetallic shielding heat insulation and moisture-proof optical cable.
Background technology
With the continuous development of communication industry, optical cable is widely used, conventional layer-stranding cable, such as People's Republic of China (PRC)
Communication industry standard YD/T 901-2001《The core net layer-twisted type outdoor optical cable for communication of optical cable one》Described in, typically by
Cable core, cable core protective layer, sheath are formed；Cable core is to be twisted by some Loose tubes for including optical fiber around a center reinforcemen
Conjunction forms, certainly, it is necessary to core number it is less when, part Loose tube can be substituted using gasket for packing, all or portion in cable core
Material water-proof material can be also filled in subdivided gap；Cable core protective layer can be the material such as material water-proof material, steel band, aluminium strip, even can also be
The composite bed of plastic sheath is coated with steel band or aluminium strip, and is coated with the materials such as steel wire, steel band or aluminium strip in the sheath again
The further composite bed of material；Sheath is usually plastics, and what is often used has polyethylene, low smoke and zero halogen polyethylene etc..Traditional optical cable
With certain block-water performance, but performance has to be strengthened in terms of heat insulation and moisture-proof, causes optical cable easily by external climate environment shadow
Ring.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of nonmetallic shielding heat insulation and moisture-proof optical cable, for existing
There is the deficiency in technology, using pressure-resistant moisture-proof layer, solve existing optical cable is easily influenceed by external climate environment, in heat insulation and moisture-proof
Aspect performance has the problem of to be strengthened.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：A kind of nonmetallic shielding heat insulation and moisture-proof optical cable, bag
Include SMIS reinforcer, cable core and restrictive coating；The cable core uniform ring is set around the SMIS reinforcer, and the restrictive coating is with SMIS
Centered on reinforcer, it is coated on outside the cable core, filled with the cable cream that blocks water between the restrictive coating and the SMIS reinforcer；Institute
Stating cable core includes colored optical fiber, PBT modelings pipe, fine cream；PBT modeling pipe is coated on outside the colored optical fiber, the PBT modelings pipe and
The fine cream is filled between the colored optical fiber, 3-10 root colored optical fibers are included in each PBT modelings pipe；The restrictive coating
Including aluminium-plastic tape, PE sheaths, pressure-resistant moisture-proof layer, composite steel-plastic belt, PE outer jackets；The restrictive coating is from internal layer to outer layer
It is followed successively by aluminium-plastic tape, PE sheaths, pressure-resistant moisture-proof layer, composite steel-plastic belt, PE outer jackets；The material of the pressure-resistant moisture-proof layer
For high-temperature polyester band, thickness 0.4mm-1.2mm.
As a kind of preferred scheme of the present utility model, the SMIS reinforcer is twisted by phosphating steel wire, in described
The line footpath of core reinforcer is 2-5mm.
As a kind of preferred scheme of the present utility model, the PE sheaths are made up of medium density polyethylene material；It is described
PE outer jackets are made up of low-smoke halogen-free polyethylene material.
As a kind of preferred scheme of the present utility model, coated between the pressure-resistant moisture-proof layer and the composite steel-plastic belt
There is polyurethane adhesive.
As a kind of preferred scheme of the present utility model, the cable core is 6.
Pass through above-mentioned technical proposal, the beneficial effect of technical solutions of the utility model are：The utility model is rational in infrastructure, machine
Tool intensity is good, and anti-pressure ability is good, using high-temperature polyester band, can greatly improve heat insulation and moisture-proof performance of the present utility model, improves
Weatherability of the present utility model, ensure that the stability of the utility model transmission signal, though PE outer jackets occur it is damaged, it is right
The influence very little of internal cable core, service life length.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Corresponding component title of the numeral represented by with letter in figure：
2. composite steel-plastic belt of 1.PE outer jackets, 3. pressure-resistant moisture-proof layer
The cable core of 5. aluminium-plastic tape of 4.PE sheaths 6.
7. the SMIS reinforcer of colored optical fiber 8..
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment
With reference to Fig. 1, the utility model provides a kind of nonmetallic shielding heat insulation and moisture-proof optical cable, including SMIS reinforcer 8, cable
Core 6 and restrictive coating.SMIS reinforcer 8 is preferably twisted by phosphating steel wire, and the line footpath of SMIS reinforcer 8 is 2-5mm, intensity
Good, tension distortion resistance is strong, can play good supporting role.The uniform ring of cable core 6 is set around SMIS reinforcer 8, cable core 6
For 6.Restrictive coating is coated on outside cable core 6 centered on SMIS reinforcer 8, filled with resistance between restrictive coating and SMIS reinforcer 8
Water cable cream.Cable core 6 includes colored optical fiber 7, PBT modelings pipe, fine cream.PBT modeling pipes are coated on outside colored optical fiber 7, PBT modelings pipe and coloring
Fine cream is filled between optical fiber 7,3-10 roots colored optical fiber 7 is included in each PBT modelings pipe.Restrictive coating includes aluminium-plastic tape, PE
Sheath 4, pressure-resistant moisture-proof layer 3, composite steel-plastic belt 52, PE outer jackets 1.Restrictive coating is followed successively by plastic-aluminum combined from internal layer to outer layer
Band, PE sheaths 4, pressure-resistant moisture-proof layer 3, composite steel-plastic belt 52, PE outer jackets 1.PE sheaths 4 can be by medium density polyethylene material
Material is made；PE outer jackets 1 can be made up of low-smoke halogen-free polyethylene material, and the thickness of PE outer jackets 1 is 3-8mm, barrier propterty
It is good, excellent fireproof performance.The material of pressure-resistant moisture-proof layer 3 is high-temperature polyester band, thickness 0.4mm-1.2mm.
In order to further lift performance of the present utility model, it is coated between pressure-resistant moisture-proof layer 3 and composite steel-plastic belt 52
On the one hand polyurethane adhesive, polyurethane adhesive can further lift humidity resistance of the present utility model, while can make pressure-resistant gear tide
Layer 3 and the combination of composite steel-plastic belt 52 are closer, and avoid cable temperature distortion.
By above-mentioned specific embodiment, the beneficial effects of the utility model are：The utility model is rational in infrastructure, mechanical strength
Good, anti-pressure ability is good, using high-temperature polyester band, can greatly improve heat insulation and moisture-proof performance of the present utility model, improves this reality
With new weatherability, the stability of the utility model transmission signal is ensure that, even if breakage occur in PE outer jackets 1, to inside
Cable core 6 influence very little, service life length.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (5)
1. a kind of nonmetallic shielding heat insulation and moisture-proof optical cable, it is characterised in that including SMIS reinforcer, cable core and restrictive coating；It is described
Cable core uniform ring is set around the SMIS reinforcer, and the restrictive coating is coated on outside the cable core centered on SMIS reinforcer,
Filled with the cable cream that blocks water between the restrictive coating and the SMIS reinforcer；The cable core includes colored optical fiber, PBT modelings pipe, fibre
Cream；The PBT modelings pipe is coated on outside the colored optical fiber, and the fibre is filled between the PBT modelings pipe and the colored optical fiber
Cream, each PBT, which is moulded in pipe, includes 3-10 root colored optical fibers；The restrictive coating includes aluminium-plastic tape, PE sheaths, pressure-resistant
Moisture-proof layer, composite steel-plastic belt, PE outer jackets；The restrictive coating is followed successively by aluminium-plastic tape, PE sheaths, resistance to from internal layer to outer layer
Press moisture-proof layer, composite steel-plastic belt, PE outer jackets；The material of the pressure-resistant moisture-proof layer is high-temperature polyester band, thickness 0.4mm-
1.2mm。
2. nonmetallic shielding heat insulation and moisture-proof optical cable according to claim 1, it is characterised in that the SMIS reinforcer is by phosphorus
Change steel wire to be twisted, the line footpath of the SMIS reinforcer is 2-5mm.
3. nonmetallic shielding heat insulation and moisture-proof optical cable according to claim 2, it is characterised in that the PE sheaths are close in being
Degree polythene material is made；The PE outer jackets are made up of low-smoke halogen-free polyethylene material.
4. nonmetallic shielding heat insulation and moisture-proof optical cable according to claim 3, it is characterised in that in the pressure-resistant moisture-proof layer and
Polyurethane adhesive is coated between the composite steel-plastic belt.
5. nonmetallic shielding heat insulation and moisture-proof optical cable according to claim 4, it is characterised in that the cable core is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720505661.9U CN206818932U (en) | 2017-05-09 | 2017-05-09 | A kind of nonmetallic shielding heat insulation and moisture-proof optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720505661.9U CN206818932U (en) | 2017-05-09 | 2017-05-09 | A kind of nonmetallic shielding heat insulation and moisture-proof optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206818932U true CN206818932U (en) | 2017-12-29 |
Family
ID=60755371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720505661.9U Expired - Fee Related CN206818932U (en) | 2017-05-09 | 2017-05-09 | A kind of nonmetallic shielding heat insulation and moisture-proof optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206818932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959994A (en) * | 2019-03-18 | 2019-07-02 | 合肥鎏通网络科技有限公司 | A kind of buried optical fiber cables damp proof insulation set and preparation method thereof |
-
2017
- 2017-05-09 CN CN201720505661.9U patent/CN206818932U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959994A (en) * | 2019-03-18 | 2019-07-02 | 合肥鎏通网络科技有限公司 | A kind of buried optical fiber cables damp proof insulation set and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20200509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |