CN207473146U - A kind of resistance to micro-bend armored optical cables of FTTA - Google Patents
A kind of resistance to micro-bend armored optical cables of FTTA Download PDFInfo
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- CN207473146U CN207473146U CN201720947419.7U CN201720947419U CN207473146U CN 207473146 U CN207473146 U CN 207473146U CN 201720947419 U CN201720947419 U CN 201720947419U CN 207473146 U CN207473146 U CN 207473146U
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- packaged fiber
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Abstract
The utility model discloses a kind of resistance to micro-bend armored optical cables of FTTA, and layer, armored hose, tightly packaged fiber A, tightly packaged fiber B are drawn including oversheath, Kev；The tightly packaged fiber A uses G657A2 tightly packaged fibers, and the tightly packaged fiber B uses G657B3 tightly packaged fibers；The oversheath is uvioresistant (UV) low smoke halogen-free (LSZH types：Low Smoke Zero Halogen) cable material；The Kev draws layer using 6 strands of aramid fibers as non-metal reinforcement member, and the armored hose becomes internal diameter 2.2mm, the stainless steel helix tube of outer diameter 2.8mm using stainless steel band screw winding；Two tightly packaged fiber A arranged side by side and tightly packaged fiber B are provided in the armored hose；The utility model uses small line footpath sheath, Kev, which is configured, draws layer and armored hose, built-in two G657 type bend-insensitive tightly packaged fibers, transport information capacity big, efficiency of transmission is high, has counter-bending, distortion, pulling force, side pressure, high/low temperature cycle, standard compliant optical characteristics index.
Description
Technical field
The utility model is related to armored optical cable technical equipment field, more particularly to a kind of resistance to micro-bend armored optical cables of FTTA.
Background technology
It is run parallel, therefore network operation and maintenance cost are constantly climbed as cellular cell quantity increases heterogeneous networks technology
It rises.Far end radio frequency system can cut operating costs, and use FTTA (optical fiber to antenna) technology, and far end radio frequency equipment is assembled to
To aerial head, the network installation mode for realize innovation, flexibly facing the future.Base station mode continues to use the BBU+RRU (base band of 3G
Processing unit+radio frequency remoto module) construction model, it needs to be connected with optical fiber between RRU and BBU, a BBU can support multiple
RRU can well solve large complicated groups of building covering, therefore dragging optical cable plays key player in mobile communications.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of resistance to micro-bend armored optical cables of FTTA, for existing skill
Deficiency in art, using small line footpath sheath, configuration Kev draws layer and armored hose, built-in two G657 bend-insensitive hard-pressed bale light
Fibre, the resistance to micro-bend armored optical cables of FTTA as dragging optical cable.
In order to achieve the above objectives, the technical solution of the utility model is as follows：A kind of resistance to micro-bend armored optical cables of FTTA, including outer
Sheath, Kev draw layer, armored hose, tightly packaged fiber A, tightly packaged fiber B, it is characterised in that：
The armored optical cable is the small line footpath optical cables of 4.8mm, is disposed with oversheath from outside to inside, Kev draws layer, armouring
Hose, tightly packaged fiber A and tightly packaged fiber B, the tightly packaged fiber A use G657A2 tightly packaged fibers, and the tightly packaged fiber B is used
G657B3 tightly packaged fibers；The oversheath is uvioresistant (UV) low smoke halogen-free (LSZH types：Low Smoke Zero
Halogen) cable material；The Kev draws layer using 6 strands of aramid fibers as non-metal reinforcement member, and the armored hose uses
Stainless steel band screw winding becomes internal diameter 2.2mm, the stainless steel helix tube of outer diameter 2.8mm；It is provided with simultaneously in the armored hose
Two tightly packaged fiber A of row and tightly packaged fiber B.
The tightly packaged fiber A4 it is resistance to it is micro-bend can reach 7.5mm, the tightly packaged fiber B5 is resistance to micro-bend to can reach 15mm；Make armouring
Optical cable does not influence the transmission of fiber-optic signal during Long-term bend, improves the fibre junction performance in Optical Access Network.
The oversheath is anti-UV low smoke and zero halogens (LSZH) sheath, has excellent fire resistance and flame retardant property, is a kind of
Polylefin thermoplatic composite material containing fire retardant, does not discharge hydracid toxin, good corrosion resistance, have good mechanical performance,
Processing performance and flame retardant property；Added with uvioresistant particle in the oversheath, play the role of antiultraviolet, be particularly suitable for
It is applied in outdoor environment, optical cable is effectively prevent to crack.
The Kev draws the main tension original paper that layer is armored optical cable, and optical cable is on the one hand made to have higher tension machinery by force
Degree, while when impact and side pressure of the optical cable by external force, cushioning effect can be played together with oversheath, it is tight so as to protect
Packet optical fiber, increases the service life of base station optical cable, and the armored optical cable can reach tensile strength long-term 600N, short-term 800N.
The armored hose protects tightly packaged fiber A and B, can highly prevent the destruction caused by various mechanical stresses, make light
Cable have high tensile, resistance to compression, it is resistance to it is micro-bend, can resist improperly torsion damage etc. mechanical performances, compressive resistance can reach for a long time
3000N, short-term 5000N.
The operation principle of the utility model is：It, can be very using BBU+RRU Multi channels using FTTA Technology designs
The in-door covering of large stadium is solved well；Armored fiber optic is used between RRU (radio frequency remoto module) and BBU (baseband processing unit)
Connection, transport information capacity is big, and efficiency of transmission is high；Meet counter-bending, distortion, pulling force, side pressure, high/low temperature cycle, comply with standard
Optical characteristics index；In the prior art, the public demand to mobile data has been more than that the data of network operator supply for the first time
Should be able to power, force network operator invest improve 3G and 4G mobile networks speed, and far end radio frequency system can reduce operation into
This, innovation, the flexible and network installation mode that faces the future are realized using FTTA (optical fiber to antenna) technology；Pass through optical fiber
Excellent transmission characteristic and realize zooming out for baseband signal and radiofrequency signal, so as to facilitate Cell Site Placement, more preferably rationally
Utilize carrier frequency resource, be industry development direction；Optical fiber is remote and the characteristics of rapid deployment, makes the position of TD-SCDMA antennas
It puts adjustment no longer to be restricted by base station, can build standard cellular structure according to base station ambient enviroment feature, it is excellent to reduce network
The difficulty of change；Base band and radio frequency it is separated, engineering construction is allowed to be provided with very strong flexibility, accelerate engineering construction into
Degree.
Through the above technical solutions, the advantageous effect of technical solutions of the utility model is：Using small line footpath sheath, configuration is triumphant
Husband draws layer and armored hose, built-in two G657 type bend-insensitive tightly packaged fibers, the resistance to micro-bend armours of FTTA as dragging optical cable
Fill optical cable；Transport information capacity is big, and efficiency of transmission is high, has counter-bending, distortion, pulling force, side pressure, high/low temperature cycle, meets mark
Accurate optical characteristics index.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the resistance to micro-bend armored optical cable cross-sectional views of a kind of FTTA disclosed in the utility model embodiment.
Corresponding component title of the number represented by with letter in figure：
1. 2. Kev of oversheath draws 3. armored hose of layer, 4. tightly packaged fiber A
5. tightly packaged fiber B
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
According to Fig. 1, the utility model provides a kind of resistance to micro-bend armored optical cables of FTTA, including oversheath 1, Kev draw layer 2,
Armored hose 3, tightly packaged fiber A4, tightly packaged fiber B5.
The armored optical cable is the small line footpath optical cables of 4.8mm, is disposed with oversheath 1 from outside to inside, Kev draws layer 2, armour
It fills hose 3, tightly packaged fiber A4 and tightly packaged fiber B5, the tightly packaged fiber A4 and uses G657A2 tightly packaged fibers, the tightly packaged fiber
B5 uses G657B3 tightly packaged fibers；The oversheath 1 is uvioresistant (UV) low smoke halogen-free (LSZH types：Low Smoke
Zero Halogen) cable material；The Kev draws layer 2 using 6 strands of aramid fibers as non-metal reinforcement member, the armoured soft
Pipe 3 becomes internal diameter 2.2mm, the stainless steel helix tube of outer diameter 2.8mm using stainless steel band screw winding；In the armored hose 3
It is provided with two tightly packaged fiber A4 arranged side by side and tightly packaged fiber B5.
The tightly packaged fiber A it is resistance to it is micro-bend can reach 7.5mm, the tightly packaged fiber B5 is resistance to micro-bend to can reach 15mm；Make armouring
Optical cable does not influence the transmission of fiber-optic signal during Long-term bend, improves the fibre junction performance in Optical Access Network.
The oversheath 1 is anti-UV low smoke and zero halogens (LSZH) sheath, has excellent fire resistance and flame retardant property, is a kind of
Polylefin thermoplatic composite material containing fire retardant, does not discharge hydracid toxin, good corrosion resistance, have good mechanical performance,
Processing performance and flame retardant property；Added with uvioresistant particle in the oversheath 1, play the role of antiultraviolet, be particularly suitable for
It is applied in outdoor environment, optical cable is effectively prevent to crack.
The Kev draws the main tension original paper that layer 2 is armored optical cable, and optical cable is on the one hand made to have higher tension machinery
Intensity, while when impact and side pressure of the optical cable by external force, cushioning effect can be played together with oversheath 1, so as to protect
Tightly packaged fiber increases the service life of base station optical cable, and the armored optical cable can reach the long-term 600N of tensile strength, in short term
800N。
The armored hose protects tightly packaged fiber A4 and B5, can highly prevent the destruction caused by various mechanical stresses, make
Optical cable have high tensile, resistance to compression, it is resistance to it is micro-bend, can resist improperly torsion damage etc. mechanical performances, compressive resistance can reach for a long time
3000N, short-term 5000N.
By above-mentioned specific embodiment, the beneficial effects of the utility model are：Using small line footpath sheath, configuration Kev draws layer
And armored hose, built-in two G657 type bend-insensitive tightly packaged fibers, the resistance to micro-bend armored optical cables of FTTA as dragging optical cable；
Transport information capacity is big, and efficiency of transmission is high, has counter-bending, distortion, pulling force, side pressure, high/low temperature cycle, standard compliant optics
Characteristic index.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the 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 range consistent with features of novelty.
Claims (2)
1. a kind of resistance to micro-bend armored optical cables of FTTA, which is characterized in that draw layer, armored hose, tightly packaged fiber including oversheath, Kev
A, tightly packaged fiber B；The armored optical cable be the small line footpath optical cables of 4.8mm, be disposed with from outside to inside oversheath, Kev draw layer,
Armored hose, tightly packaged fiber A and tightly packaged fiber B, the tightly packaged fiber A use G657A2 tightly packaged fibers, and the tightly packaged fiber B is adopted
With G657B3 tightly packaged fibers；The oversheath is uvioresistant low smoke halogen-free cable material；The Kev draws layer to use 6 strands of virtues
Synthetic fibre fiber becomes internal diameter 2.2mm, outer diameter as non-metal reinforcement member, the armored hose using stainless steel band screw winding
The stainless steel helix tube of 2.8mm；Two tightly packaged fiber A arranged side by side and tightly packaged fiber B are provided in the armored hose.
2. the resistance to micro-bend armored optical cables of a kind of FTTA according to claim 1, which is characterized in that the oversheath is uvioresistant
Line low smoke and zero halogen sheath, the oversheath are the polylefin thermoplatic composite material added with fire retardant and uvioresistant particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947419.7U CN207473146U (en) | 2017-08-01 | 2017-08-01 | A kind of resistance to micro-bend armored optical cables of FTTA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720947419.7U CN207473146U (en) | 2017-08-01 | 2017-08-01 | A kind of resistance to micro-bend armored optical cables of FTTA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207473146U true CN207473146U (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720947419.7U Active CN207473146U (en) | 2017-08-01 | 2017-08-01 | A kind of resistance to micro-bend armored optical cables of FTTA |
Country Status (1)
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| CN (1) | CN207473146U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917527A (en) * | 2019-03-18 | 2019-06-21 | 深圳市特发信息光电技术有限公司 | A kind of miniature high intensity resists micro-bend stainless steel tube armored optical cable and its processing technology |
| CN113687483A (en) * | 2021-09-02 | 2021-11-23 | 江苏特宝利尔特种电缆有限公司 | Six-core high-temperature-resistant low-smoke optical fiber cable and preparation method thereof |
-
2017
- 2017-08-01 CN CN201720947419.7U patent/CN207473146U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109917527A (en) * | 2019-03-18 | 2019-06-21 | 深圳市特发信息光电技术有限公司 | A kind of miniature high intensity resists micro-bend stainless steel tube armored optical cable and its processing technology |
| CN113687483A (en) * | 2021-09-02 | 2021-11-23 | 江苏特宝利尔特种电缆有限公司 | Six-core high-temperature-resistant low-smoke optical fiber cable and preparation method thereof |
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