CN208125971U - A kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number - Google Patents
A kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number Download PDFInfo
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- CN208125971U CN208125971U CN201820286797.XU CN201820286797U CN208125971U CN 208125971 U CN208125971 U CN 208125971U CN 201820286797 U CN201820286797 U CN 201820286797U CN 208125971 U CN208125971 U CN 208125971U
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Abstract
The utility model discloses a kind of miniature bending resistance mouse bite preventing spiral armor optical cables of Multi-core number, including microbeam pipe unit, water blocking layer, spiral armor layer, enhancement layer and oversheath, there is gap between the microbeam pipe unit and spiral armor layer, water blocking layer is filled in gap, it is twisted outside the spiral armor layer to have enhancement layer, the outer extrusion molding oversheath of the enhancement layer, the microbeam pipe unit includes the microbeam pipe of several colored optical fibers and extrusion molding outside colored optical fiber.The utility model optical cable has compact-sized, the advantage convenient, soft, light, size is small of constructing, while also having the advantage of anti-collapse, impact resistance, resistance to damaged by rats.
Description
Technical field
The utility model relates to fiber optic cable manufacture technical field, specifically a kind of miniature bending resistance mouse bite preventing spiral armor of Multi-core number
Optical cable.
Background technique
As FTTH builds the propulsion of tide in global range, in some more mountain areas, mouse suffers from more serious country in light
Cable is registered one's residence in terms of laying, if also often being bitten broken by mouse using conventional FTTH wiring optical cable, being influenced the positive normal open of signal
Letter, brings unusual inconvenience to user；In addition consider that abroad pipeline resource is limited, optical cable integrally needs to reach smaller ruler
Very little, bigger core number requirement；Therefore, comprehensively consider the special geological surrounding and pipeline resource situation of abroad some countries, need
A kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number is developed, has lesser size, Multi-core number, blocks water, is soft easy
The features such as bending, mouse bite preventing.
And existing " mouse bite preventing armor optical cable ", optical cable integral core number are smaller, overall dimensions are larger to reach 10mm or more, curved
Bilge radius is poor, and light unit structure type is that the additional stainless steel band armor of butterfly optical cable or tight tube fiber add steel band armor,
Or using rodent-proof material come protection against rodents；After core number increase, optical cable overall dimensions also be will increase very much, very for some pipeline resources
Nervous country, using such cable runs, will cause very big waste to pipeline resource.
Utility model content
To solve the above problems, the utility model provides a kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number, system
Optical cable have lesser size, Multi-core number, block water, the features such as soft pliable is bent, mouse bite preventing.
The technical solution adopted in the utility model is：A kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number, including
Microbeam pipe unit, water blocking layer, spiral armor layer, enhancement layer and oversheath, have between the microbeam pipe unit and spiral armor layer
Gap, fills water blocking layer in gap, twisted outside the spiral armor layer to have enhancement layer, the outer extrusion molding oversheath of the enhancement layer, institute
Stating microbeam pipe unit includes the microbeam pipe of several colored optical fibers and extrusion molding outside colored optical fiber.
Spiral armor layer choosing spiral armor pipe, internal diameter are（2.4±0.1）Mm, outer diameter are（3.0±0.1）Mm, spiral shell
Revolve armor pipe gap（0.2±0.1）Mm, spiral armor Guan Youyi root steel wire spiral armor form.
Contain 24 colored optical fibers inside the microbeam pipe, microbeam pipe using oil resistant, tension elastomeric material extrusion molding and
At（For example, TPU- thermoplastic polyurethane, PVC- polyvinyl chloride elastomer, TPEE- thermoplastic polyester elastomer etc.）, can manually open
Stripping, without stripping tool, disposable strip length 5m or more.
Water blocking yarn is filled in gap between the microbeam pipe unit and spiral armor layer as water blocking layer.
The spiral armor layer uses 304 stainless steel wire spiral armors, increases optical cable entirety lateral pressure resistant performance.
The enhancement layer uses high-modulus aramid fiber, and optical cable is made to have tensile property.
The oversheath selects super soft flame retardant polyurethane, and optical cable is made to have bending, fire-retardant, abrasion resistance properties.
The utility model has the beneficial effects that：1, it has selected microbeam pipe as basic light unit, 24 light is placed in 1 root canal
Fibre, microbeam pipe unit overall dimensions are 1.8 ± 0.1mm, replace transmission PBT material using the super flexible body material of oil resistant, tension
Material, light unit bending radius are 5D.
2, selected microbeam pipe unit has very outstanding stripping performance, can be 5 meters of stripping sheath directly unarmed, construction
It is very convenient.
3, using stainless steel wire spiral armor, mouse bite preventing, 24 core optical cable overall dimensions are only 5.0 ± 0.1mm, compare same core
Number is reduced by about 1/2 using steel band longitudinal wrap armor cable size, and resistance to lateral pressure can reach 8000N.
4, using water blocking yarn, optical cable integrally meets the requirement that blocks water.
5, oversheath uses flame retardant polyurethane sheath, soft, environmentally friendly, fire-retardant, wear-resisting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Wherein：1, enhancement layer, 2, spiral armor layer, 3, optical fiber, 4, microbeam pipe, 5, water blocking yarn, 6, oversheath.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is made below in conjunction with embodiment and attached drawing further
It is described in detail, which is only used for explaining the utility model, does not constitute the restriction to scope of protection of the utility model.
As shown in Figure 1, a kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number, including microbeam pipe unit, water blocking layer
5, spiral armor layer 2, enhancement layer 1 and oversheath 6 have gap, fill resistance in gap between microbeam pipe unit and spiral armor layer 2
For water yarn as water blocking layer 5, spiral armor layer 2 is twisted outside enhancement layer 1, the outer extrusion molding oversheath 6 of enhancement layer 1.
Microbeam pipe unit include 24 colored optical fibers 3 and using oil resistant, tension elastomeric material extrusion molding in colored optical fiber
Outer microbeam pipe 4, microbeam pipe are formed using the elastomeric material extrusion molding of oil resistant, tension（For example, TPU- thermoplastic polyurethane,
PVC- polyvinyl chloride elastomer, TPEE- thermoplastic polyester elastomer etc.）, by improving elastomeric material tearing strength, microbeam
Pipe can unarmed stripping, without stripping tool, disposable strip length is more than 5m or more.
Spiral armor layer 2 selects spiral armor pipe, and internal diameter is（2.4±0.1）Mm, outer diameter are（3.0±0.1）Mm, spiral
Armor pipe gap（0.2±0.1）Mm, spiral armor Guan Youyi root steel wire spiral armor form.
Spiral armor layer 2 uses 304 stainless steel wire spiral armors, and bending property is excellent, and stainless steel wire salt spray resistance is anti-to get rusty,
Increase optical cable entirety lateral pressure resistant performance.
Enhancement layer 1 uses high-modulus aramid fiber, light-weight, while optical cable being made to have excellent tensile property.
Oversheath 6 selects super soft flame retardant polyurethane, and optical cable is made to have bending, fire-retardant, abrasion resistance properties.
The above-mentioned miniature bending resistance mouse bite preventing spiral armor fiber optic cable production method of Multi-core number, includes the following steps：
（1）The production of microbeam pipe unit
24 colored optical fibers are mounted in optical fiber pay-off rack, 0.8 ~ 1.0N of laying tension is adjusted, is involved by dancing wheel
It is stand-by to head；
Extruding machine temperature control is opened, extrusion temperature is controlled at 135 ~ 155 DEG C, suitable microbeam pipe extruded mould is installed, to
Each area's temperature of extruding machine reaches technique and requires i.e. extrudable adjusting eccentric, and outer diameter is adjusted to 1.8 ± 0.1mm；Optical fiber is penetrated, is led
To take-up stand, presentation quality is checked, it is desirable that phenomena such as microbeam pipe surface is without ring, point, de- material checks the concentricity of end face
It is whether qualified, when apparent size, the stripping performance of product meet technique require that disk production microbeam pipe unit can be gone up；
（2）The production of spiral armor layer
Microbeam pipe unit is mounted on loose tube pay-off frame, adjusting laying tension is 1.5N ~ 2N, is involved by dancing wheel to machine
It is stand-by at head；
Water blocking yarn is mounted on aramid fiber pay-off-stand, adjusting laying tension is 2N ~ 2.5N, is involved to stand-by at head；Using
Dry type water blocking yarn blocks water, compared with waterproof paste blocks water, it is more environmentally-friendly, clean, construct it is convenient；
Suitable spiral armor mold is installed, starts armor equipment, spiral armor pipe outside diameter is regulated, by spiral armor pipe
Adjusting the dimensions to inner/outer diameter is（2.4±0.1）mm/（3.0±0.1）Mm, armor pipe gap（0.2±0.1）mm；Spiral armour
After first pipe outside diameter size regulates, microbeam pipe unit is penetrated in spiral armor pipe with water blocking yarn, checks microbeam pipe unit in spiral shell
Elasticity situation inside armor pipe is revolved, cuts 5m spiral armor pipe, microbeam pipe unit can be extracted out easily, when spiral armor tube exterior ruler
Very little, microbeam pipe elasticity in spiral armor pipe, which meets, can go up disk production spiral armor layer after technique requires；
（3）Oversheath production
Spiral armor pipe is attached to loose tube pay-off frame, adjusting laying tension is 5 ~ 8N, is involved to stand-by at head；It will reinforce
Layer aramid fiber is installed to aramid fiber pay-off-stand, adjusts 1.5 ~ 2N of laying tension, involves to stand-by at head；
Extruding machine temperature control is opened, processing temperature is arranged at 150 ~ 180 DEG C, assembles suitable oversheath extruded mould, penetrate
Spiral armor pipe, aramid fiber are twisted, after reaching requirement to Extruder temperature, adjust oversheath bias with outer diameter, outer diameter is adjusted
To 5.0 ± 0.1mm, the concentricity of product surface presentation quality and each element in end face is checked, confirm that the errorless disk that can go up produces
The miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number is made.
The utility model optical cable solves multifiber and is placed in a root canal, and microbeam pipe overall dimensions are less than 1.8mm, micro-
Beam tube bending radius is less than the technical problem of 5D；Solve original Multi-core number anti-rat-bite optical cable, the larger problem of size, the 24 of exploitation
Core anti-rat-bite optical cable, overall dimensions are less than 5.0mm；Solves anti-rat-bite optical cable entirety block-water performance；Solves light unit sheath
Whole stripping performance, without stripping tool, light unit can manually stripping 5m, construction be convenient；Solves original mouse bite preventing light
Cable uses steel band armor, optical cable bending property poor, and sheath material adds protection against rodents material, there is Peculiar Smell；The utility model
The anti-rat-bite optical cable of exploitation uses stainless steel wire spiral armor, and bending property is excellent, and bending radius is less than 10D, using super soft poly-
Urethane sheath, Environment-friendlywear-resistant wear-resistant.
The optical cable of the utility model is routed suitable for pipeline laying, is especially suitable for that mouse suffers from more serious country and ground
Area, pipeline resource old residential area transformation in short supply.Simultaneously this optical cable have it is compact-sized, construct it is convenient it is soft, light, size is small
The advantages of, while also there is the advantage of anti-collapse, impact resistance, resistance to damaged by rats, extend to outdoor application.The optical cable applies also for
Communications equipment room, comprehensive building wiring, local area network, national defence war preparedness, fibre optical sensor, measuring instrument, optical communication equipment connection, base station
Zoom out equal applications.
Claims (6)
1. a kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number, which is characterized in that including microbeam pipe unit, water blocking layer,
Spiral armor layer, enhancement layer and oversheath have gap, fill and block water in gap between the microbeam pipe unit and spiral armor layer
Layer, the spiral armor layer is twisted outside enhancement layer, and the outer extrusion molding oversheath of the enhancement layer, the microbeam pipe unit includes 24
The microbeam pipe of colored optical fiber and extrusion molding outside colored optical fiber, the microbeam pipe using oil resistant, tension elastomeric material extrusion molding and
At, can unarmed stripping, without stripping tool, disposable strip length 5m or more.
2. the miniature bending resistance mouse bite preventing spiral armor optical cable of a kind of Multi-core number according to claim 1, which is characterized in that described
Spiral armor layer choosing spiral armor pipe, internal diameter are（2.4±0.1）Mm, outer diameter are（3.0±0.1）Mm, spiral armor pipe gap
（0.2±0.1）mm.
3. the miniature bending resistance mouse bite preventing spiral armor optical cable of a kind of Multi-core number according to claim 1, which is characterized in that described
Water blocking yarn is filled in gap between microbeam pipe unit and spiral armor layer as water blocking layer.
4. the miniature bending resistance mouse bite preventing spiral armor optical cable of a kind of Multi-core number according to claim 1, which is characterized in that described
Spiral armor layer uses 304 stainless steel wire spiral armors, increases optical cable entirety lateral pressure resistant performance.
5. the miniature bending resistance mouse bite preventing spiral armor optical cable of a kind of Multi-core number according to claim 1, which is characterized in that described
Enhancement layer uses high-modulus aramid fiber, and optical cable is made to have tensile property.
6. the miniature bending resistance mouse bite preventing spiral armor optical cable of a kind of Multi-core number according to claim 1, which is characterized in that described
Oversheath selects super soft flame retardant polyurethane, and optical cable is made to have bending, fire-retardant, abrasion resistance properties.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820286797.XU CN208125971U (en) | 2018-03-01 | 2018-03-01 | A kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820286797.XU CN208125971U (en) | 2018-03-01 | 2018-03-01 | A kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number |
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| CN208125971U true CN208125971U (en) | 2018-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107528A (en) * | 2018-03-01 | 2018-06-01 | 江苏中天科技股份有限公司 | A kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number and preparation method thereof |
-
2018
- 2018-03-01 CN CN201820286797.XU patent/CN208125971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107528A (en) * | 2018-03-01 | 2018-06-01 | 江苏中天科技股份有限公司 | A kind of miniature bending resistance mouse bite preventing spiral armor optical cable of Multi-core number and preparation method thereof |
| CN108107528B (en) * | 2018-03-01 | 2024-03-29 | 江苏中天科技股份有限公司 | Multi-core miniature bending-resistant rat-bite-resistant spiral armor optical cable and manufacturing method thereof |
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