CN205880292U - Indoor outdoor general type duct fiber cable - Google Patents
Indoor outdoor general type duct fiber cable Download PDFInfo
- Publication number
- CN205880292U CN205880292U CN201620546364.4U CN201620546364U CN205880292U CN 205880292 U CN205880292 U CN 205880292U CN 201620546364 U CN201620546364 U CN 201620546364U CN 205880292 U CN205880292 U CN 205880292U
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- China
- Prior art keywords
- cable core
- cable
- indoor
- core
- outdoor
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Abstract
The utility model discloses an indoor outdoor general type duct fiber cable, including cable core, non -woven fabrics block water area and oversheath layer, the cable core includes that optic fibre sinle silk, QFRP strengthen core and cladding at the fire -retardant sheath of the low smoke and zero halogen in the outside, and the cross -section of the fire -retardant sheath of low smoke and zero halogen is 8 fonts, and two QFRP strengthen the core setting at the both ends of cable core, and an at least optic fibre sinle silk sets up in the centre of cable core, and there are non -woven fabrics block water area and oversheath layer in the outside of cable core cladding in proper order. It has compromise the characteristics that optical cable turning radius is little of registering one's residence, easily lays, and simple structure, anti bending property is good, and the stable performance is reliable under the long -term service conditions in open air.
Description
Technical field
This utility model relates to communications optical cable technical field, especially relates to the indoor and outdoor that a kind of FTTH registers one's residence general
Type duct optical cable.
Background technology
FTTH registers one's residence with optical cable commonly used dish leading in cable, when installing in the environment of indoor, general by vertical
The optical cable that in vertical shaft, building, hidden pipe, indoor bright pipe, wire casing or the solid mode of indoor nail are laid uses the single dish of white sheath to introduce
Optical cable, and when installing in an outdoor environment, typically adopted by optical cable built on stilts, that lay along skin, the solid mode of outdoor nail
With the self-bearing type single dish leading in cable of black sheath.But, existing dish indoor optical cable in actual use, easily
Affected by the adverse circumstances such as moist invasion and attack and rainwater immersion, cause transmitting procedure is easily generated interference, in turn result in network and pass
The unfavorable factors such as defeated speed is slow, weak effect.
Utility model content
This utility model is for the deficiencies in the prior art, and it is general that technical problem to be solved is to provide a kind of indoor and outdoor
Type duct optical cable, it has taken into account the feature that indoor optical cable radius of turn is little, has easily laid, simple in construction, and bending resistance is good,
Under the conditions of outdoor life-time service stable and reliable for performance.
This utility model is to make above-mentioned technical problem be addressed by the following technical programs.
The universal duct optical cable in indoor and outdoor, including cable core, non-woven fabrics waterstop and external sheath layer, cable core includes optical fiber cable
Core, QFRP strengthening core and be coated on outside low-smoke halogen-free flame-retardant sheath, the cross section of low-smoke halogen-free flame-retardant sheath is 8-shaped, two
Individual QFRP strengthening core is arranged on the two ends of cable core, and at least optical fiber cable core is arranged on the centre of cable core, and the outside of cable core is successively
It is coated with non-woven fabrics waterstop and external sheath layer.
As preferably, optical fiber cable core is coloring G657A2 optical fiber.
As preferably, external sheath layer be linear low density polyethylene, medium density polyethylene, high density polyethylene (HDPE) or low cigarette without
The fire-retardant material-structure of halogen.
As preferably, the outside of non-woven fabrics waterstop is coated with enhancing yarn, and strengthening yarn is aramid fiber yarn or glass fibre
Yarn.
As preferably, the outside of optical fiber cable core is provided with flexible sheath.
As preferably, flexible sheath is polyurethane material-structure.
As preferably, between non-woven fabrics waterstop and external sheath layer, it is provided with tear rope along optical fiber cable core axis direction.
The beneficial effects of the utility model:
1. the feature that indoor optical cable radius of turn is little taken into account by this optical cable, improves the power of bearing, and bending resistance is good, optical fiber
Minimum bending radius reaches 7.5mm, beneficially optical cable construction wiring, simple in construction, and strengthening core uses QFRP to be greatly improved optical cable
Tensile strength, strengthens the reliability of optical cable, stable and reliable for performance in life-time service out of doors.
The most with low cost, there is higher cost performance, fire resistance is good, meets international and national standard, can be suitable for flexibly
Various job sites environment, Logistics networks construction quality.
3. this optical cable is applicable between machine room and machine room wiring or machine room and a connecting wiring use of registering one's residence, and has waterproof, moistureproof
Performance, in the service life of extended fiber core, solves existing dish indoor optical cable during installing and using because of use occasion
Inclement condition, such as humidity, rainwater etc. easily cause and produce interference in transmitting procedure, thus cause that network transfer speeds is slow, effect
The unfavorable factors such as difference.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-cable core, 2-non-woven fabrics waterstop, 3-external sheath layer, 4-optical fiber cable core, 5-QFRP strengthening core, the low cigarette of 6-
Halogen-free flameproof sheath.
Detailed description of the invention
Below by embodiment and combine accompanying drawing this utility model is described in detail.
The universal duct optical cable in this utility model indoor and outdoor as shown in Figure 1, it is applicable between machine room and machine room wiring
Or machine room and a connecting wiring use of registering one's residence, simple in construction, beneficially optical cable construction wiring, various job sites ring can be suitable for flexibly
Border, stable and reliable for performance in life-time service out of doors.Cable core 1, non-woven fabrics waterstop 2 and external sheath layer 3, cable core is included in structure
1 includes optical fiber cable core 4, QFRP strengthening core 5 and is coated on the low-smoke halogen-free flame-retardant sheath 6 in outside, and optical fiber cable core 4 uses coloring
G657A2 optical fiber, compared with other single-mode fiber, G657A2 fibre-optical bending is insensitive, possesses good bending resistance,
Being prone to the wiring of indoor various optical cable constructions, minimum bending radius reaches 7.5mm.In order to improve mechanical performance, play preferably guarantor
Protecting effect, can arrange flexible sheath in the outside of optical fiber cable core 4, flexible sheath selects polyurethane material-structure.Low smoke and zero halogen hinders
The cross section of combustion sheath 6 is 8-shaped, and two QFRP strengthening cores 5 are arranged on the two ends of cable core 1, and at least optical fiber cable core 4 is arranged on
As reinforcement, the QFRP strengthening core 5 that the centre of cable core 1, employing stretch-proof and bendability are good ensures that optical cable has excellent holding
Pulling force and compressive resistance performance, significantly improve stability and the reliability of optical cable.The outside of cable core 1 is coated with non-woven fabrics successively
Waterstop 2 and external sheath layer 3, external sheath layer 3 may select linear low density polyethylene, medium density polyethylene, high density polyethylene (HDPE)
Or low-smoke non-halogen flame-retardant material-structure, improve the pliability of optical cable, wire laying mode is flexible, it is possible to effective guarantee photoconduction transmission
It is not easily susceptible to environmental effect.It is coated with enhancing yarn in the outside of non-woven fabrics waterstop 2, strengthens yarn and select aramid fiber yarn or glass
Silvalin, can improve the mechanical strength of non-woven fabrics waterstop 2, it is also possible to edge between non-woven fabrics waterstop 2 and external sheath layer 3
Optical fiber cable core 4 axis direction arranges tear rope, it is simple to strip off optical cable during construction, and tear rope may be provided on enhancing yarn.This optical cable
The overall environmental protection flame retardant material that uses, excellent bendability, Anti-pull-press performance, strong-electromagnetic field interference pressure, anti-so that it is be common to
Indoor and outdoor comprehensive wiring.
This utility model is not limited to above-described preferred implementation, can obtain based on those skilled in the art
The known technology known or use is caned the various deformation of equivalence replacement and the embodiment of change, every base in prior art
Conceive, within should be included in protection domain of the present utility model in spirit of the present utility model or technology.
Claims (7)
1. the universal duct optical cable in indoor and outdoor, is characterized in that: include cable core (1), non-woven fabrics waterstop (2) and external sheath layer
(3), cable core (1) includes optical fiber cable core (4), QFRP strengthening core (5) and is coated on the low-smoke halogen-free flame-retardant sheath (6) in outside, low
The cross section of cigarette halogen-free flameproof sheath (6) is 8-shaped, and two QFRP strengthening cores (5) are arranged on the two ends of cable core (1), at least one
Optical fiber cable core (4) is arranged on the centre of cable core (1), and the outside of cable core (1) is coated with non-woven fabrics waterstop (2) and oversheath successively
Layer (3).
The universal duct optical cable in indoor and outdoor the most according to claim 1, is characterized in that: optical fiber cable core (4) is coloring
G657A2 optical fiber.
The universal duct optical cable in indoor and outdoor the most according to claim 1, is characterized in that: external sheath layer (3) is for the lowest
Density polyethylene, medium density polyethylene, high density polyethylene (HDPE) or low-smoke non-halogen flame-retardant material-structure.
The universal duct optical cable in indoor and outdoor the most according to claim 1, is characterized in that: outside non-woven fabrics waterstop (2)
Side is coated with enhancing yarn, and strengthening yarn is aramid fiber yarn or glass fiber yarn.
The universal duct optical cable in indoor and outdoor the most according to claim 1, is characterized in that: the outside of optical fiber cable core (4) sets
Flexible sheath.
The universal duct optical cable in indoor and outdoor the most according to claim 5, is characterized in that: flexible sheath is polyurethane material
Structure.
The universal duct optical cable in indoor and outdoor the most according to claim 1, is characterized in that: at non-woven fabrics waterstop (2) and
It is provided with tear rope along optical fiber cable core (4) axis direction between external sheath layer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546364.4U CN205880292U (en) | 2016-06-06 | 2016-06-06 | Indoor outdoor general type duct fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620546364.4U CN205880292U (en) | 2016-06-06 | 2016-06-06 | Indoor outdoor general type duct fiber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205880292U true CN205880292U (en) | 2017-01-11 |
Family
ID=57689984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620546364.4U Expired - Fee Related CN205880292U (en) | 2016-06-06 | 2016-06-06 | Indoor outdoor general type duct fiber cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205880292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007414A (en) * | 2019-05-07 | 2019-07-12 | 成都亨通光通信有限公司 | Light-duty cell is registered one's residence leading in cable |
-
2016
- 2016-06-06 CN CN201620546364.4U patent/CN205880292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007414A (en) * | 2019-05-07 | 2019-07-12 | 成都亨通光通信有限公司 | Light-duty cell is registered one's residence leading in cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20200606 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |