CN209446850U - A kind of interior circular optical cable - Google Patents
A kind of interior circular optical cable Download PDFInfo
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- CN209446850U CN209446850U CN201822079287.8U CN201822079287U CN209446850U CN 209446850 U CN209446850 U CN 209446850U CN 201822079287 U CN201822079287 U CN 201822079287U CN 209446850 U CN209446850 U CN 209446850U
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- circular optical
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Abstract
The utility model relates to a kind of indoor circular optical cables, including tight tube fiber, assistant reinforcement part, separation layer, fireprotection layer and fire-retardant outer jacket, assistant reinforcement part is coated on the outside of tight tube fiber, wrapped ceramic fireproof composite band forms separation layer outside assistant reinforcement part, wrapped mica tape forms fireprotection layer outside separation layer, extrudes to form fire-retardant outer jacket outside fireprotection layer.The indoor circular optical cable of the utility model has excellent high temperature resistance, flame resistance energy and insulation performance, can guarantee that communication is smooth under 3000 DEG C or more high temperature and under fire condition, and use suitable for the laying forceful electric power magnetic environment.
Description
Technical field
The utility model belongs to fiber optic cable manufacture technology and apparatus field, in particular to indoor circular optical cable.
Background technique
Attention with society to security against fire and hidden danger will necessarily propose the fire retardant performance of our inside cables
Higher requirement.In fire, the inflammable cable of indoor confined space can become the maximum accomplice of fire spreading.It is generated big
Dense smoke is measured, so that judging fire source, fire extinguishing becomes a hang-up rapidly.Indoor circular optical cable is as common leading in cable, tool
There is the features such as diameter is small, light-weight, is widely used in the connection of tail optical fiber, wire jumper or other optical device equipment.But for fear of to straight
The requirement of diameter and weight, the matching fire retardant jacket of prior art production, which is often difficult to reach fireproof under thermal-flame, specifically to be wanted
It asks, the integrality of optical cable itself is caused to be destroyed, and then lead to route communication disruption in case of fire.
Utility model content
The purpose of this utility model be in order to solve the above problem, the utility model provide a kind of diameter it is small, it is light-weight, fire prevention
The good safety cage's inner circular optical cable of flame retardant property.
According to the utility model, a kind of indoor circular optical cable is provided, including tight tube fiber, assistant reinforcement part, separation layer, anti-
Fire bed and fire-retardant outer jacket, assistant reinforcement part are coated on the outside of tight tube fiber, and wrapped ceramic fire prevention is resistance to outside assistant reinforcement part
Fiery composite band forms separation layer, and wrapped mica tape forms fireprotection layer outside separation layer, extrudes to form fire-retardant outer jacket outside fireprotection layer.
Wherein, ceramic fireproof composite band with a thickness of 0.1~0.3mm, width is 10~15mm, wrapped overlapping
Rate is 15%~35%.
Wherein, mica tape with a thickness of 0.05~0.2mm, width is 12~20mm, wrapped Duplication is 15%~
35%.
Wherein, assistant reinforcement part is aramid yarn.
Wherein, tight tube fiber include tight sleeve layer and by tight sleeve layer wrap up optical fiber, tight sleeve layer be LSZH material layer, thickness degree
For 0.2~0.35mm.
Wherein, fire-retardant outer jacket be low-smoke and halogen-free flame retardant polyolefin jacket, fire-retardant outer jacket with a thickness of 0.5mm.
Wherein, optical fiber be surface be equipped with color coating colored optical fiber or be true qualities optical fiber.
The utility model has the following beneficial effects:
1. the indoor circular optical cable of the utility model has excellent high temperature resistance, can guarantee at 3000 DEG C or more
It is worked normally under high temperature；And there is good flame resistance energy, there is no the volatilizations of harmful vapors when chance open fire burns, and in fire
Still guarantee that communication is smooth in the case of calamity.
2. the indoor circular optical cable of the utility model has good insulation performance, using optical cable in forceful electric power magnetic environment
Laying uses.
3. the indoor circular optical cable of the utility model has relatively small bending radius, having necessary cable machinery
While energy, diameter is accomplished smaller.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows the sectional view of the indoor circular optical cable according to the utility model embodiment.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
As shown in Figure 1, a kind of interior circular optical cable, including tight tube fiber, assistant reinforcement part 1, separation layer 4,5 and of fireprotection layer
Fire-retardant outer jacket 6, assistant reinforcement part 1 are coated on the outside of tight tube fiber, and wrapped ceramic fireproof is multiple outside assistant reinforcement part 1
Crossed belt forms separation layer 4, and wrapped mica tape forms fireprotection layer 5 outside separation layer 4, extrudes to form fire-retardant outer jacket 6 outside fireprotection layer 5.
Tight tube fiber includes tight sleeve layer 2 and the single optical fiber that is wrapped up by tight sleeve layer 2.Tight sleeve layer is low smoke and zero halogen (LSZH) material
The bed of material, layer is with a thickness of 0.2~0.35mm.In the utility model, tight sleeve layer is closely coated with optical fiber and plays directly to optical fiber
Protective effect；Assistant reinforcement part plays good buffer protection function to tight sleeve layer；The wrapped packet of separation layer and fireprotection layer
It covers and not only provides insulation protection for optical cable, and play the role of outstanding fire-proof and thermal-insulation, fire-retardant outer jacket is optical cable
Provide certain flame retardant effect.
Separation layer by thickness × width specifications be 0.2 × 12mm ceramic fireproof composite band it is wrapped form, it is wrapped
Duplication be 15%~35%.After the completion of wrapped, the thickness of separation layer can be controlled in 0.1~0.2mm, and can be guaranteed
Ceramic fireproof composite band can be by hard, the complete shell by Low fire ceramic shape rapidly under 650 DEG C~3000 DEG C high temperature
Body, the hard shell armouring after burning can play good fire-proof and thermal-insulation protective effect to cable interior component, and unlikely
In hurting internal optical fiber.Fireprotection layer is formed by the mica tape that thickness × width specifications are 0.1 × 15mm through wrapped, wrapped weight
Folded rate is 15%~35%.After wrapped, the thickness of fireprotection layer can be controlled in 0.5mm-0.8mm.Mica tape has excellent resistance to
High temperature and flame resistance energy, when meeting open fire burning, there is no the volatilizations of harmful vapors, have ensured lightguide cable link in fire condition
Under communication it is unimpeded.Above two material also each has good insulating effect, conducive to laying of the optical cable in forceful electric power magnetic environment
It uses.
Assistant reinforcement part is aramid yarn, the thickness 1.0-1.2mm of entire assistant reinforcement part.In a specific embodiment
In, the specification of aramid yarn is selected as 8 1610dtex types.Assistant reinforcement part can tight sleeve layer play good buffer protection function,
Reduce ceramic fireproof composite band influences in high temperature qualitative change bring.
Fire-retardant outer jacket 6 is low-smoke and halogen-free flame retardant polyolefin jacket, in the utility model fire-retardant outer jacket 6 with a thickness of
0.5mm has certain flame retardant property, and the laying that can be suitable for indoor environment uses.
A kind of production method of interior circular optical cable, comprising the following steps:
Tight tube fiber is superscribed into assistant reinforcement part through guide wheel with fixed speed；The wrapped ceramics chemoprevention outside assistant reinforcement part
Fiery fire resisting composite band forms separation layer, ceramic fireproof composite band with a thickness of 0.2mm, width 12mm, wrapped weight
Folded rate is 15%~35%.
Wrapped cloud bar mother forms fireprotection layer outside separation layer, and mica tape is single side gold mica tape, with a thickness of 0.1mm, width
For 15mm, wrapped Duplication is 15%~35%.Low-smoke halide-free fireproof composite polyolefine material, shape are extruded outside the fireprotection layer of formation
At fire-retardant outer jacket.
Round inside cable provided by the utility model will be done further in detail by way of specific embodiment below
Thin explanation.
Circular optical cable X1 in embodiment Room 1
The inside center of indoor circular optical cable X1 is not have a cated true qualities optical fiber.Being wrapped in outer fiber is thickness
The LSZH optical fiber for spending 0.2mm is fixed.Optical fiber 8 1610dtex type aramid yarns of fixed external package.The outside of aramid yarn is by thickness
For 0.05mm, width be 12mm ceramic fireproof composite band with the wrapped formation separation layer of 15% Duplication.Separation layer
Outside by with a thickness of 0.05mm, single side gold mica tape that width is 20mm with 15% Duplication around being bundled into fireprotection layer.Fireprotection layer
Outside be to extrude the low-smoke and halogen-free flame retardant polyolefin jacket with a thickness of 0.5mm to be formed.
The outer diameter of the tight sleeve layer of interior circular optical cable X1 is 0.6mm, and the outer diameter of aramid yarn assistant reinforcement part layer is
3.0mm, separation layer with a thickness of 0.2mm, fireprotection layer with a thickness of 0.1mm, fire-retardant external sheath layer with a thickness of 0.5mm, optical cable
Diameter is 3.8mm.
Circular optical cable X2 in embodiment Room 2
The inside center of indoor circular optical cable X3 is the colourless optical fiber for not setting coating.Including the thickness in outer fiber
It is fixed for the LSZH optical fiber of 0.35mm.The fixed outside of optical fiber includes 12 1500dtex type aramid yarns.The outside of aramid yarn by
With a thickness of 0.3mm, the wrapped formation separation layer of Duplication for the ceramic fireproof composite band meaning 35% that width is 12mm.Isolation
The outside of layer is by with a thickness of 0.1mm, width is the single side gold mica tape of 14mm with the wrapped formation fireprotection layer of 18% Duplication.It is anti-
The outside of fire bed is to extrude the low-smoke and halogen-free flame retardant polyolefin jacket with a thickness of 0.5mm to be formed.
The outer diameter of the tight sleeve layer of interior circular optical cable X1 is 0.4mm, and the outer diameter of aramid yarn assistant reinforcement part layer is
2.8mm, separation layer with a thickness of 0.3mm, fireprotection layer with a thickness of 0.15mm, fire-retardant external sheath layer with a thickness of 0.5mm, optical cable
Diameter is 3.75mm.
Indoor circular optical cable X1 and X2 is tested for the property, test experiments and shown in test result is as follows.
Table 1: the performance test data of circular optical cable
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (7)
1. circular optical cable in Room, which is characterized in that including tight tube fiber, assistant reinforcement part (1), separation layer (4), fireprotection layer (5)
With fire-retardant outer jacket (6), the assistant reinforcement part (1) is coated on the outside of the tight tube fiber, and the assistant reinforcement part (1) is outside
Wrapped ceramic fireproof composite band is formed the separation layer (4), and wrapped mica tape forms described anti-outside the separation layer (4)
Fire bed (5), the fireprotection layer (5) extrude to form the fire-retardant outer jacket (6) outside.
2. interior circular optical cable as described in claim 1, which is characterized in that
Ceramic fireproof composite band with a thickness of 0.1~0.3mm, width is 10~15mm, and wrapped Duplication is 15%
~35%.
3. interior circular optical cable as described in claim 1, which is characterized in that
Mica tape with a thickness of 0.05~0.2mm, width is 12~20mm, and wrapped Duplication is 15%~35%.
4. interior circular optical cable as described in claim 1, which is characterized in that
The assistant reinforcement part (1) is aramid yarn.
5. interior circular optical cable as described in claim 1, which is characterized in that
The tight tube fiber include tight sleeve layer (2) and by the tight sleeve layer (2) wrap up optical fiber (3), tight sleeve layer (2) be LSZH material
The bed of material, layer is with a thickness of 0.2~0.35mm.
6. interior circular optical cable as described in claim 1, which is characterized in that
The fire-retardant outer jacket (6) be low-smoke and halogen-free flame retardant polyolefin jacket, the fire-retardant outer jacket (6) with a thickness of 0.5mm.
7. interior circular optical cable as claimed in claim 5, which is characterized in that
The optical fiber be surface be equipped with color coating colored optical fiber or be true qualities optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822079287.8U CN209446850U (en) | 2018-12-11 | 2018-12-11 | A kind of interior circular optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822079287.8U CN209446850U (en) | 2018-12-11 | 2018-12-11 | A kind of interior circular optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN209446850U true CN209446850U (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822079287.8U Active CN209446850U (en) | 2018-12-11 | 2018-12-11 | A kind of interior circular optical cable |
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| CN (1) | CN209446850U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782401A (en) * | 2018-12-11 | 2019-05-21 | 通鼎互联信息股份有限公司 | Indoor circular optical cable and preparation method thereof |
-
2018
- 2018-12-11 CN CN201822079287.8U patent/CN209446850U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109782401A (en) * | 2018-12-11 | 2019-05-21 | 通鼎互联信息股份有限公司 | Indoor circular optical cable and preparation method thereof |
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