CN205984374U - Optical cable of fire -resistant ability reinforce - Google Patents
Optical cable of fire -resistant ability reinforce Download PDFInfo
- Publication number
- CN205984374U CN205984374U CN201620495149.6U CN201620495149U CN205984374U CN 205984374 U CN205984374 U CN 205984374U CN 201620495149 U CN201620495149 U CN 201620495149U CN 205984374 U CN205984374 U CN 205984374U
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- CN
- China
- Prior art keywords
- inner sheath
- optical cable
- oversheath
- armor
- utility
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Abstract
The utility model discloses an optical cable of fire -resistant ability reinforce, including oversheath (2), inner sheath (3) of setting in oversheath (2), a plurality of sets up optical link protection sleeve pipe (4) in inner sheath (3) and sets up optic fibre (5) in optical link protection sleeve pipe (4), be equipped with between oversheath (2) and inner sheath (3) lubricant film (1), be equipped with armor (8) in inner sheath (3), inner sheath (3) bond through epoxy layer (7) with armor (8), oversheath (2) outside is equipped with flame retardant coating (9). The beneficial effects of the utility model are that: the utility model discloses a set up the lubricant film and can make the relative rotation of realization between oversheath and the inner sheath, when the optical cable takes place to twist reverse because receiving external force, can reduce the influence that the inner sheath received to the anti -torque capacity of optical cable has been improved, the safe in utilization of optical cable can be effectively protected through setting up the flame retardant coating under the conflagration condition.
Description
Technical field
The utility model is related to optical cable field, specifically, is a kind of strong optical cable of refractory ability.
Background technology
Being surging forward with telecommunications, data service especially IP business is exponentially increased situation, voice, data
It is both needed to transmit with multimedias such as images, so needing bigger network capacity and broader broadband.How user to be passed through high band
Wide, high-quality access way be linked at a high speed, on jumbo backbone network, this has to the successful realization of information superhighway
Decisive meaning.In order to meet the needs of some application requirements supplies of electric power in transmitting procedure for the optical cable, and also to
Resource is laid in saving, has had photoelectric mixed cable at present.But the structure generally existing of photoelectric mixed cable common at present
The feature of tension resistance poor performance, is easily damaged when being squeezed.
Chinese Patent Application No.：A kind of 201010504893 cables disclosing plain conductor and fiber mix, it is two
Increase single-mode fiber, wherein plain conductor is copper of the prior art, aluminium, gold, silver conduction in core, three cores or multicore metallic cable
Material, single-mode fiber is glass optical fiber of the prior art or plastic optical fiber, for transmitting optical signal and ignition of cable signal.This
The structure compressive property of sample is poor, is easily damaged when being squeezed.
Utility model content
The purpose of this utility model is to provide that a kind of structure is simple, can be prevented effectively from optical cable that to turn round bad refractory ability strong
Optical cable.
The utility model is achieved through the following technical solutions：A kind of strong optical cable of refractory ability, including oversheath, is arranged on
Inner sheath in oversheath, several fiber optic protection sleeve pipes of being arranged in inner sheath and the light being arranged in fiber optic protection sleeve pipe
Fibre, is provided with lubricating layer between oversheath and inner sheath, be provided with armor in inner sheath, and inner sheath passes through epoxy resin with armor
Layer bonding, is provided with fireprotection layer outside oversheath.
It is provided with center reinforcemen in described inner sheath.
Described fiber optic protection casing layer twists outside centrally disposed reinforcement.
The center reinforcemen that described center reinforcemen is made for phosphating steel wire.
Described oversheath is the oversheath being made up of PE.
It is filled with fine cream in described lubricating layer.
Described fireprotection layer is the resistance fireprotection layer being made up of AFR/12.
The utility model compared with prior art, has advantages below and beneficial effect：
（1）The utility model passes through setting lubricating layer can be made to realize between oversheath and inner sheath relatively rotating, and work as light
Because when being twisted by external force, can reduce that inner sheath is subject to affects cable, thus improve the anti-twisting property of optical cable,
By arranging armor, it is possible to increase the impact resistance of optical cable, it is to avoid optical cable is because damaged it is also possible to prevent by external force
Toy damages the component within armor, can also increase the mechanical strength of cable by arranging armor, improve LP blades
Ability, the service life of prolongation optical cable, by using epoxy resin layer, inner sheath is bonding with armor, due to epoxy resin tool
There is good adhesive property, it is possible to increase inner sheath and the adhesive strength of armor, also will not lose efficacy under hot conditions, due to ring
Oxygen tree fat also has good dielectric properties, can effectively shield the interference signal in the external world by arranging epoxy resin layer, it is to avoid
Optical signal is disturbed by outer signals, thus improve the antijamming capability of optical signal transmission, and due to epoxy resin
Light weight, it is to avoid optical cable weight is too big, and avoid optical cable transport to lay difficulty；
（2）The utility model passes through to arrange mechanical strength and the anti-pressure ability that center reinforcemen can improve optical cable；
（3）The utility model make use of phosphating steel wire wear-resisting, counter-bending by using phosphating steel wire as center reinforcemen
The strong feature of torsion capacity, improves the bending resistance of optical cable, and the service life of elongation center's reinforcement.
Brief description
Fig. 1 is a kind of structural representation of the strong optical cable of refractory ability；
Wherein 1 lubricating layer, 2 oversheaths, 3 inner sheaths, 4 fiber optic protection sleeve pipes, 5 optical fiber, 6 centers are strengthened
Part, 7 epoxy resin layers, 8 armors, 9 fireprotection layers.
Specific embodiment
With reference to embodiment, the utility model is described in further detail, but embodiment of the present utility model is not
It is limited to this.
Embodiment：
As shown in figure 1, in the present embodiment, a kind of strong optical cable of refractory ability, including oversheath 2, it is arranged in oversheath 2
Inner sheath 3, several fiber optic protection sleeve pipes 4 being arranged in inner sheath 3 and the optical fiber 5 being arranged in fiber optic protection sleeve pipe 4,
It is provided with lubricating layer 1 between oversheath 2 and inner sheath 3, can make to realize phase between oversheath and inner sheath by arranging lubricating layer
To rotation, when optical cable because when being twisted by external force, can reduce that inner sheath is subject to affects, thus improve optical cable
Anti-twisting property, be provided with armor 8 in inner sheath 3, by arrange armor 8, it is possible to increase the impact resistance of optical cable, it is to avoid
Optical cable is because damaged by external force it is also possible to prevent toy from damaging the component within armor, by arranging armor 8 also
The mechanical strength of cable, the service life improving erosion prevention, extending optical cable can be increased, inner sheath 3 is passed through with armor 8
Epoxy resin layer 7 bonding, because epoxy resin has good adhesive property, it is possible to increase inner sheath is bonding strong with armor
Degree, also will not lose efficacy under hot conditions, because epoxy resin also has good dielectric properties, by arranging epoxy resin layer energy
Enough interference signals effectively shielding the external world, it is to avoid optical signal is disturbed by outer signals, thus improve optical signal transmission
Antijamming capability, and the light weight due to epoxy resin, it is to avoid optical cable weight is too big, and it is tired to avoid optical cable transport to lay
Difficulty, in the present embodiment, is provided with the fireprotection layer 9 being made up of AFR/12 outside oversheath 2, AFR/12 is a kind of polyene containing fire retardant
Hydrocarbon thermoplastic composite, does not discharge hydracid, has self-extinguishment feature, can reduce the discharge of poisonous corrosive gas and smog in a large number
Produce.It is particularly suitable for using under the public arena requiring to have tight security by the optical cable that this material is made.AFR/12
There is good mechanical performance, processing characteristics and fire resistance, and there is optimum cost performance, by using this fireprotection layer 9 energy
The use safety of enough effective protection optical cables in case of fire.
In the present embodiment, in described inner sheath 3, it is provided with the center reinforcemen 6 being made up of phosphating steel wire, fiber boot
4 layers of pipe twists outside centrally disposed reinforcement 6.
In the present embodiment, described oversheath 2 is the oversheath being made up of PE.
In the present embodiment, in described lubricating layer 1, it is filled with fine cream, graphite powder or lubricating oil.
The above, be only preferred embodiment of the present utility model, and not the utility model is done with any pro forma limit
System, every any simple modification above example made according to technical spirit of the present utility model, equivalent variations, each fall within
Within protection domain of the present utility model.
Claims (7)
1. a kind of strong optical cable of refractory ability it is characterised in that：Including oversheath（2）, be arranged on oversheath（2）Interior inner sheath
（3）, several be arranged on inner sheath（3）Interior fiber optic protection sleeve pipe（4）Be arranged on fiber optic protection sleeve pipe（4）Interior optical fiber
（5）, oversheath（2）With inner sheath（3）Between be provided with lubricating layer（1）, inner sheath（3）Inside it is provided with armor（8）, inner sheath（3）
With armor（8）By epoxy resin layer（7）Bonding, oversheath（2）Outside is provided with fireprotection layer（9）.
2. a kind of strong optical cable of refractory ability according to claim 1 it is characterised in that：Described inner sheath（3）Inside set
There is center reinforcemen（6）.
3. a kind of strong optical cable of refractory ability according to claim 2 it is characterised in that：Described fiber optic protection sleeve pipe
（4）Layer twists centrally disposed reinforcement（6）Outside.
4. a kind of strong optical cable of refractory ability according to claim 2 it is characterised in that：Described center reinforcemen（6）
The center reinforcemen made for phosphating steel wire.
5. a kind of strong optical cable of refractory ability according to claim 1 it is characterised in that：Described oversheath（2）Serve as reasons
The oversheath that PE makes.
6. a kind of strong optical cable of refractory ability according to claim 1 it is characterised in that：Described lubricating layer（1）Inside fill out
It is filled with fine cream.
7. a kind of strong optical cable of refractory ability according to claim 1 it is characterised in that：Described fireprotection layer（9）Serve as reasons
The fireprotection layer that AFR/12 makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620495149.6U CN205984374U (en) | 2016-05-27 | 2016-05-27 | Optical cable of fire -resistant ability reinforce |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620495149.6U CN205984374U (en) | 2016-05-27 | 2016-05-27 | Optical cable of fire -resistant ability reinforce |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205984374U true CN205984374U (en) | 2017-02-22 |
Family
ID=58019069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620495149.6U Expired - Fee Related CN205984374U (en) | 2016-05-27 | 2016-05-27 | Optical cable of fire -resistant ability reinforce |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205984374U (en) |
-
2016
- 2016-05-27 CN CN201620495149.6U patent/CN205984374U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 |