CN204903827U - Optical cable in resistant crooked high power capacity car of tensile - Google Patents
Optical cable in resistant crooked high power capacity car of tensile Download PDFInfo
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- CN204903827U CN204903827U CN201520539435.3U CN201520539435U CN204903827U CN 204903827 U CN204903827 U CN 204903827U CN 201520539435 U CN201520539435 U CN 201520539435U CN 204903827 U CN204903827 U CN 204903827U
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Abstract
The utility model discloses an optical cable in resistant crooked high power capacity car of tensile includes optical cable cable core, enhancement layer I and oversheath I from inside to outside in proper order, the optical cable cable core by the optic fibre subelement, strengthen the core, mark the area, the filling layer, constitute around the band, strengthen the core outer loop around a plurality of optic fibre subelements, the optic fibre subelement is cladding filling layer and around the band in proper order outward, winds the band inboard and is equipped with and marks the area, the optic fibre subelement comprises large core fiber, enhancement layer II and oversheath II. The utility model discloses an optical cable has advantages such as safety ring protects, transmission rate is high, data capacity is big, optic fibre intensity is high, optical cable bending property is fabulous.
Description
Technical field
The utility model relates to fiber optic communication field, specifically optical cable in a kind of tension resist bending high power capacity car.
Background technology
Optical fiber cable industry is through the abundant development in nearly 20 years of past, especially under the drive of the extensive communication construction demand in the whole world in recent years, rapidly, the production of optical fiber cable manufacturing firm of China and technical strength are also in quick enhancing, and product development ability and capacity for technological innovation improve further in development.Along with special occasions and numerous emerging fields such as high ferro, track traffic, new forms of energy, ocean development, national defence, the demand of special optical cable is also grown with each passing day.
Above-mentioned special occasions and usual inside cable environment for use are distinguished larger, such as in passenger train compartment, vehicle is in operational process, the compartment moment is in the state of rocking, this is just high to the performance requirement of the overall anti-alternating bending of the oil resistance of optical cable outer jacket, temperature performance and optical cable, and simultaneously due to passenger vehicle high-speed cruising, ensure at any time can transmission of signal effectively, cable machinery requirement of strength is also very high, and such guarantee bus safety runs.In addition, passenger train is inner to be required higher to fiber optic cable flame retardant, and under the prerequisite ensureing flame retardancy, burning gases toxicity, the amount of being fuming all need strict control.Therefore, need to use optical cable in a kind of car meeting above-mentioned requirements of research and development.
Utility model content
For solving the problems of the technologies described above, the utility model provides optical cable in a kind of tension resist bending high power capacity car, and this optical cable has very high intensity and resist bending performance, also has jumbo its communication ability.
The technical solution adopted in the utility model is: optical cable in a kind of tension resist bending high power capacity car, comprise optical cable core, enhancement Layer I and oversheath I from inside to outside successively, described optical cable core is made up of optical fiber subelement, strengthening core, indicating strip, packed layer, twining package tape, described strengthening core is outer around some optical fiber subelements, described optical fiber subelement outer coated packed layer and twining package tape successively, be provided with indicating strip inside described twining package tape, described optical fiber subelement is made up of large core fiber, enhancement Layer II and oversheath II.
Wherein, described large core fiber surface coating one deck ETFE material, forms ETFE and tightly overlaps large core fiber.
Preferably, described oversheath I and oversheath II adopt thermoplastic elastic material, and described enhancement Layer I and enhancement Layer II adopt high-modulus aramid fiber, and packed layer adopts PP rope, and described twining package tape is polyester belt.
The method for making of optical cable in above-mentioned tension resist bending high power capacity car, comprise the steps: that (1) makes optical fiber subelement: get out ETFE and tightly overlap large core fiber and the many high-modulus aramid fibers as enhancement Layer II, outside high-modulus aramid fiber, first extrude oversheath II jointly form a satisfactory optical cable blank pipe of external diameter, after adjustment mould concentricity, ETFE is tightly overlapped large core fiber and pierce into core rod, traction is to wheeled traction, regulate extrusion molding amount until infrared caliper show current external diameter stablize and met the demands time, by dish production on optical cable; (2) strengthen core retainer plate and mould operation: penetrated core rod after getting out zinc-coated wire, open extruding machine extrusion molding, adjustment extrusion molding amount, produces the satisfactory strengthening core of external diameter stand-by; (3) optical cable core is made: the strengthening core make twining package tape, indicating strip, step (2) and the several PP ropes as packed layer are ready to, the several fibers subelement that step (1) makes is arranged in cage in order simultaneously, involves and fix to winding machine; Opening winding machine uses polyester belt to carry out wrapped as twining package tape, and control that wrapped lap width is polyester belt width 10% ~ 15%; Optical cable core after wrapped is received on cable dish stand-by; (4) extrusion molding oversheath I: using ready several aramid fibers as enhancement Layer I, be stranded in outside optical cable core, control twisting pitch is 10 ~ 15cm; Then regulate extrusion molding amount, outside aramid fiber enhancement Layer I, extrude oversheath I, obtain the satisfactory finished cable of external diameter, start the take-up of upper cable dish.
The utility model has the advantages that: 1, this optical cable uses large core diameter multimode optical fiber, while guarantee fiber strength, to possess more high speed, more jumbo its communication ability;
2, this optical cable adopts ETFE material as the secondary buffer layer of large core diameter multimode optical fiber, possesses high-low temperature resistant, anticorrosive, high strength, the excellent properties such as fire-retardant;
3, adopt halogen-free environmental thermoplastic elastic material as oversheath, optical cable is made to have oil resistant, wear-resisting, resist bending, low temperature resistant and corrosion resistance, also there is excellent anti-flammability and the ultralow amount of being fuming simultaneously, meet optical cable toxicity index in car that English mark BS6853 specifies;
4, this optical cable adopts dry type structure, and cable configuration is compact, adopts tightly packaged fiber convenient construction, clean and safe.
Accompanying drawing explanation
Fig. 1 is the utility model cable configuration schematic diagram;
Fig. 2 is optical fiber sub-unit structure schematic diagram in Fig. 1;
In figure, 1, oversheath I, 2, optical fiber subelement, 3, indicating strip, 4, strengthening core, 5, twining package tape, 6, packed layer, 7, enhancement Layer I, 8, oversheath II, 9, enhancement Layer II, 10, large core fiber.
Embodiment
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is further described, but protection domain of the present utility model is not limited thereto.
As depicted in figs. 1 and 2, optical cable in a kind of tension resist bending high power capacity car, comprise optical cable core, enhancement Layer I 7 and oversheath I 1 from inside to outside successively, optical cable core is made up of optical fiber subelement, strengthening core 4, indicating strip 3, packed layer 6, twining package tape 5, strengthening core 4 is outer around some optical fiber subelements, optical fiber subelement outer coated packed layer 6 and twining package tape 5(polyester belt successively), be provided with indicating strip 3 inside twining package tape 5, optical fiber subelement is made up of large core fiber 10, enhancement Layer II 9 and oversheath II 8.Wherein, enhancement Layer I and enhancement Layer II preferably adopt high-modulus aramid fiber, packed layer preferably adopts PP to restrict, the ETFE that large core fiber selects surface coating one deck ETFE material to be formed tightly overlaps large core diameter multimode optical fiber, because use large core diameter multimode optical fiber as data carrier, and use ETFE tightly to overlap, mechanical fiber optic performance, oil resistant, corrosion-resistant can be strengthened, be conducive to it and be used in various carrying railway car internal environment (tightly can overlap external diameter by choice for use 0.5mm or 0.9mm, conveniently be connected with various quick coupler).
Oversheath I and oversheath II all adopt thermoplastic elastic material, because it possesses good oil resistant, resistance to chemical corrosion, resist bending, wear-resisting, resistance to low temperature, in addition, this material guards is used to make finished cable by harsh combustibility test, high burning transmittance can be reached.
In order at utmost overcome intermode dispersion, increase transmission range, the utility model adopts the large core diameter multimode optical fiber of complete quartzy material (silica core, silica clad) graded refractive index, and core diameter/covering size is 200/230(μm).ETFE material has high physical strength, excellent creep-resistant property, good corrosion resistance and balance of mechanical properties, and brittle temperature is low to moderate-100 DEG C.In order to increase fiber strength, large core diameter multimode optical fiber surface coating one deck ethylene tetrafluoroethylene ETFE material coating (hard-pressed bale layer), form ETFE and tightly overlap large core diameter multimode optical fiber, this optical fiber possesses the mechanical property being much better than conventional multi-mode fiber, add that the larger intensity of diameter is higher, less to the susceptibility of static fatigue and microbend loss, be convenient to form the optical cable that structure more simplifies, cost performance is higher.
For 4 core optical cables, the concrete manufacturing process of optical cable in above-mentioned tension resist bending high power capacity car is described below:
1, optical fiber subelement is made:
A, get out tight tube fiber pay off rack and aramid fiber pay-off-stand, ETFE tightly overlapped large core diameter multimode optical fiber and install on each comfortable pay off rack of high-modulus aramid fiber of enhancement Layer II, regulating ETFE tightly to overlap large core diameter multimode optical fiber laying tension is 1.0 ~ 1.2N, high-modulus aramid fiber laying tension is regulated to be 1.5 ~ 2.0N, and keeping the laying tension of many high-modulus aramid fibers consistent, deviation is no more than 1%.; B, open first joint warm water tank, regulate water temperature to be about 30 DEG C, open second section normal temperature cold rinse bank; C, select suitable extruded mould to install, open extruding machine extrusion molding oversheath II, according to extruding pipe material end surface shape adjustment mould concentricity, it is stand-by to close extrusion molding; D, by ETFE tight tube fiber from dish tool stand-by to head through tracked by guide wheel; E, by 4 line density 1000Den aramid fibers through tracked by guide wheel to head place, through core rod, and open extruding machine extrusion molding, the optical cable blank pipe (oversheath II is together with the high-modulus aramid fiber of inner reinforcing layer II) extruded is cooled through warm water tank, cold rinse bank, slowly leads in the wheeled traction of production line; F, adjustment extrusion molding amount make optical cable blank pipe external diameter be stabilized within the scope of 2.0 ± 0.1mm, wall thickness 0.3 ~ 0.4mm, and reaffirm the concentricity situation of optical cable blank pipe end face in wheeled traction place and check optical cable surface lettering situation; G, ETFE tightly overlapped large core diameter multimode optical fiber pierce into core rod, and on hand traction to wheeled traction, regulate extrusion molding amount until infrared caliper show current external diameter stablize and met the demands time, by dish production on optical cable;
2, strengthen core retainer plate and mould operation:
A, adjustment strengthening core pay off rack tension force are 30 ~ 40N, are installed by 1.0mm zinc-coated wire and lead to head place stand-by along strengthening core traction wheel; B, select suitable plsitive mold and install, concentricity adjusting; Regulate extruding machine processing temperature 130 ~ 180 DEG C simultaneously, open first joint warm water tank, regulate water temperature to be about 30 DEG C, open second section normal temperature cold rinse bank; C, 1.0mm zinc-coated wire is penetrated core rod, open extruding machine thermoplastic elastic material and extrude strengthening core sheath, through first joint warm water tank, second section cold rinse bank, strengthening core is manually led to wheeled traction place, check the concentricity situation of sheath end face, and carry out die sleeve position adjustments until concentricity meets the demands; D, adjustment extrusion molding amount, make strengthening core external diameter be stabilized in 1.65 ± 0.1mm, just can coil take-up above after confirming strengthening core surface cover polymer amount;
3, optical cable core is made:
A, 8 PP rope to be installed at pay off rack, regulate each laying tension 1.5 ~ 2N; Indicating strip is installed on special pay off rack, regulates laying tension 1 ~ 2N; 20mm polyester belt is installed on winding machine, regulates wrapped tension force 3 ~ 7N; 4 optical fiber subelements are installed by subunit jacket surface lettering order in cage, regulate laying tension 1.5 ~ 2N, involve fix to winding machine stand-by; B, cover is moulded after strengthening core be arranged on strengthening core pay off rack, regulate laying tension 40 ~ 50N, manually involve along strengthening core traction wheel, through extrusion head (this operation not installation mold, does not relate to extrusion molding), fix stand-by; C, 20mm polyester belt is used to carry out wrapped, control that wrapped lap width is polyester belt width 10% ~ 15%; Optical cable core after wrapped is received on cable dish stand-by;
4, extrusion molding oversheath I
A, adjustment Extruder temperature range of control 130 ~ 180 DEG C, open first joint hot water storgae simultaneously, be set to 30 DEG C; B, on aramid fiber machine, install 6 line density 1420Den enhancement Layer aramid fibers as enhancement Layer I, adjustment of tonicity 1.5 ~ 2N, leads to head place stand-by; C, select suitable mould to install, by aramid fiber through core rod, opening extrusion molding, blank pipe will be extruded and manually lead to wheeled traction place, carrying out concentricity adjustment according to extruding blank pipe; D, optical cable core imported core rod and opens aramid fiber pay-off-stand, carry out aramid fiber using aramid fiber as enhancement Layer I stranded, and control twisting pitch is 10 ~ 15cm; E, halogen-free environment-friendly type thermoplastic elastic material is extruded outside enhancement Layer I as oversheath I, regulate extrusion molding amount to make finished cable external diameter control at 9.0 ± 0.5mm, within wall thickness 1.2 ± 0.1mm scope, check lettering, start the take-up of upper cable dish.
Finished cable of the present utility model can make minimum 2 cores (using two optical fiber subelements, two interstitial wires), maximumly can make 12 cores (using 12 optical fiber subelements), and structure and material therefor are consistent.Test proves, the D class bunchy burning that finished cable of the present utility model meets single vertical burning, 70% transmittance, PH >=4.3, IEC60332-3 specifys and BS6853 rail vehicles for transporting passengers designs and fire disasters protection standard scale 13Ib rail vehicles for transporting passengers inside cable flame retardancy, the amount of being fuming and toxicity test in construction; In addition this finished cable after 180,000 alternating bendings optical fiber without fracture and cable outer sheath without breakage; Illustrate that this optical cable possesses extremely excellent repeated bending performance, meet the request for utilization in interior, junction, compartment.
Claims (3)
1. optical cable in a tension resist bending high power capacity car, it is characterized in that, comprise optical cable core, enhancement Layer I and oversheath I from inside to outside successively, described optical cable core is made up of optical fiber subelement, strengthening core, indicating strip, packed layer, twining package tape, described strengthening core is outer around some optical fiber subelements, described optical fiber subelement outer coated packed layer and twining package tape successively, be provided with indicating strip inside described twining package tape, described optical fiber subelement is made up of large core fiber, enhancement Layer II and oversheath II.
2. optical cable in a kind of tension resist bending high power capacity car according to claim 1, is characterized in that, described large core fiber surface coating one deck ETFE material, forms ETFE and tightly overlap large core fiber.
3. optical cable in a kind of tension resist bending high power capacity car according to claim 1, it is characterized in that, described oversheath I and oversheath II adopt thermoplastic elastic material, and described enhancement Layer I and enhancement Layer II adopt high-modulus aramid fiber, packed layer adopts PP rope, and described twining package tape is polyester belt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539435.3U CN204903827U (en) | 2015-07-24 | 2015-07-24 | Optical cable in resistant crooked high power capacity car of tensile |
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|---|---|---|---|
| CN201520539435.3U CN204903827U (en) | 2015-07-24 | 2015-07-24 | Optical cable in resistant crooked high power capacity car of tensile |
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| CN204903827U true CN204903827U (en) | 2015-12-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044865A (en) * | 2015-07-24 | 2015-11-11 | 江苏中天科技股份有限公司 | Tension bending resistance high-capacity optical cable in car and production method thereof |
| CN107643572A (en) * | 2017-09-22 | 2018-01-30 | 烽火通信科技股份有限公司 | A kind of optical cable production line and optical cable production method for reducing optical cable production loss |
| WO2018107928A1 (en) * | 2016-12-16 | 2018-06-21 | 长飞光纤光缆股份有限公司 | Optical fiber cable for vehicles |
-
2015
- 2015-07-24 CN CN201520539435.3U patent/CN204903827U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044865A (en) * | 2015-07-24 | 2015-11-11 | 江苏中天科技股份有限公司 | Tension bending resistance high-capacity optical cable in car and production method thereof |
| WO2018107928A1 (en) * | 2016-12-16 | 2018-06-21 | 长飞光纤光缆股份有限公司 | Optical fiber cable for vehicles |
| CN107643572A (en) * | 2017-09-22 | 2018-01-30 | 烽火通信科技股份有限公司 | A kind of optical cable production line and optical cable production method for reducing optical cable production loss |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160225 Address after: The road town of Rudong County in Jiangsu province 226463 in Nantong City, No. 1 Patentee after: Zhongtian Science and Technology Co., Ltd., Jiangsu Patentee after: Zhongtian Technologies Fiber Optics Co., Ltd. Patentee after: Zhongtian Technologies Submarine Optic Fiber Cable Co., Ltd. Address before: The road town of Rudong County in Jiangsu province 226463 in Nantong City, No. 1 Patentee before: Zhongtian Science and Technology Co., Ltd., Jiangsu |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200904 Address after: The road town of Rudong County in Jiangsu province 226463 in Nantong City, No. 1 Co-patentee after: ZHONGTIAN TECHNOLOGY FIBRE OPTICS Co.,Ltd. Patentee after: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. Address before: The road town of Rudong County in Jiangsu province 226463 in Nantong City, No. 1 Co-patentee before: ZHONGTIAN TECHNOLOGY FIBRE OPTICS Co.,Ltd. Patentee before: JIANGSU ZHONGTIAN TECHNOLOGY Co.,Ltd. Co-patentee before: ZHONGTAN TECHNOLOGY SUBMARINE CABLE Co.,Ltd. |