CN210572928U - Novel field emergency optical cable - Google Patents
Novel field emergency optical cable Download PDFInfo
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- CN210572928U CN210572928U CN201921635794.3U CN201921635794U CN210572928U CN 210572928 U CN210572928 U CN 210572928U CN 201921635794 U CN201921635794 U CN 201921635794U CN 210572928 U CN210572928 U CN 210572928U
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Abstract
The utility model belongs to the technical field of the communication optical cable, a novel emergent optical cable of field operations is related to. The utility model is technically characterized in that the cable core is a combined cable core with a plurality of optical fiber units, the optical fiber units are uniformly arranged around the central reinforcement unit and are formed in one step; a nonmetal central reinforcement unit is adopted in the cable core; the optical fiber sheath of the optical fiber unit is provided with the V-shaped fiber stripping groove, so that optical fiber connection during construction is facilitated. The utility model relates to an optical fiber core number is many, the compliance is good, resistance to compression and shock resistance are good resistant harsh environment multicore armor optical cable, can be used for urgent, abominable environment such as army individual soldier's quick wiring, on-vehicle wiring, broadcast television relay, emergency repair, temporary communication system, LAN wiring, computer lab allotment, be a safety, longe-lived, the strong emergent optical cable of resistance to compression shock resistance, the damaged communication line of emergency rescue is regarded as emergent substitution optical cable when specially adapted army war.
Description
Technical Field
The utility model belongs to the technical field of the communication optical cable, in particular to novel emergent optical cable of field operations.
Background
Compared with copper cable communication, the optical fiber communication has the advantages of large transmission capacity, low transmission loss, small size, light weight, electromagnetic interference resistance, small channel crosstalk and good confidentiality; therefore, the application of the optical fiber communication to army field communication and disaster relief emergency communication has great advantages in the future. In the environments such as battlefields, disaster sites, sudden public safety sites and the like, factors such as vehicle or mountain falling stones and the like, such as damage caused by smashing and pressing, severe climate change, damage of wild animals and the like exist, and the requirement on the density of an optical fiber core is higher and higher, so that the conventional common optical cable is difficult to meet the application requirement of the special environment. In order to solve the problems, a field emergency optical cable with a novel structure needs to be designed, a tight-buffered optical fiber and a combined cable core structure is adopted, and an optical cable armored by a stainless steel hose is adopted, so that the field emergency optical cable becomes an important development trend of future emergency communication optical cables.
SUMMERY OF THE UTILITY MODEL
According to the background art the requirement, the utility model aims to solve the technical problem that a novel field emergency optical cable is provided, the technical scheme of the utility model as follows:
1-2 or 3-4 mutually parallel tightly sleeved optical fibers are coated by an optical fiber sheath 3 with an oval cross section to form an optical fiber unit with an oval cross section, and 6-8 optical fiber units are uniformly distributed around the central reinforcing member unit by taking the central reinforcing member unit as the center to form an internal structure of the multi-optical fiber unit combined cable core with the optical fiber units uniformly distributed around the central reinforcing member unit;
the tight-buffered optical fiber is an optical fiber with the outer surface of a colored optical fiber 1 coated with a tight-buffered layer 2, the central reinforcing part unit is a central reinforcing part unit with a circular cross section, which is formed by extruding a non-metal reinforcing part extrusion cushion layer 6 on the surface of a non-metal central reinforcing part 5 with a circular cross section, and the reinforcing part extrusion cushion layer 6 is a buffer layer of the central reinforcing part;
the outer surface of an optical fiber sheath 3 with an oval cross section of each optical fiber unit is provided with a longitudinal fiber stripping groove 4, and a cable core water-blocking tensile layer 7, a cable core coating layer 8 and an inner sheath 9 are sequentially coated on the outer surface of the inner structure of the multi-optical fiber unit combined cable core from inside to outside to form a multi-optical fiber unit combined cable core; the armor layer 10 is coated on the inner sheath 9, and the outer sheath 11 is coated on the armor layer 10 to form a novel field emergency optical cable;
the colored optical fiber 1 is a bending-resistant optical fiber which is colored, and the optical fiber is marked by a chromatogram;
the tight sleeve layer 2 is a layer of acrylic resin coated on the colored optical fiber 1 in an ultraviolet curing mode, or a layer of nylon material, low-smoke halogen-free material (LSZH), polyvinyl chloride (PVC) or thermoplastic polyurethane elastomer rubber (TPU) extruded on the colored optical fiber 1 by an extruding machine;
the optical fiber sheath 3 with the oval cross section is an extruded tight-sleeved optical fiber inner protective layer, the optical fiber sheaths 3 of 6-8 optical fiber units are simultaneously extruded and formed in the same die, and when the optical fiber sheaths 3 are extruded, longitudinal V-shaped fiber stripping grooves 4 are formed on the outer side surfaces of the optical fiber sheaths 3;
the central reinforcement 5 is made of Fiber Reinforced Plastic (FRP) or Kevlar Fiber Reinforced Plastic (KFRP) and has the characteristics of softness and light weight, the reinforcement extrusion cushion layer 6 is used as a buffer layer of the central reinforcement 5 and extruded on the outer surface of the central reinforcement 5, and the reinforcement extrusion cushion layer 6 is made of nylon material, low-smoke halogen-free material (LSZH), polyvinyl chloride (PVC) or thermoplastic polyurethane elastomer rubber (TPU);
the cable core water-blocking tensile layer 7 is made of water-blocking aramid yarns, and the structure of the cable core water-blocking tensile layer 7 is that the water-blocking aramid yarns are parallelly arranged on the outer surface of the inner structure of a multi-optical fiber unit combined cable core consisting of 6-8 optical fiber units and a central reinforcement unit, or a layer of water-blocking aramid yarns are twisted on the outer surface of the inner structure of the multi-optical fiber unit combined cable core in a spiral twisting mode;
the cable core coating layer 8 is an extruded layer of low-smoke halogen-free material;
the inner sheath 9 is made of thermoplastic polyurethane elastomer (TPU) sheath material, and the inner sheath 9 is a TPU layer extruded on the cable core coating layer 8;
the armor layer 10 is a metal hose armor layer, the material of the armor layer 10 is a metal stainless steel spiral pipe, the armor layer 10 performs mechanical protection on the cable core, and strengthens and protects optical fiber units in the inner cable core, so that the optical cable has high pressure resistance, and the influence of external rolling on optical signal transmission of the optical fibers is avoided;
the outer sheath 11 is made of thermoplastic polyurethane elastomer (TPU) sheath materials, the outer sheath 11 is a TPU layer extruded on the armor layer 10 and covering the armor layer 10, and the extruded TPU improves the oil resistance, the wear resistance, the cutting resistance, the corrosion resistance, the ultraviolet ray aging resistance, the high and low temperature resistance and the flame retardant property of the optical cable.
The utility model is characterized in that the cable core is made into a multi-optical fiber unit combined cable core, the optical fiber units are uniformly arranged around the central reinforcement unit, and the number of the optical fiber cores in the cable core is large by one-step forming; in the multi-optical fiber unit combined cable core, the nonmetal central reinforcement unit is adopted, so that the multi-optical fiber unit combined cable core has the characteristics of high tensile force resistance, light weight and excellent bending performance; the optical fiber sheath 3 of the optical fiber unit is provided with the V-shaped fiber stripping groove 4, so that the stripping efficiency of the optical fiber is improved, and the optical fiber splicing is convenient during construction.
The utility model adopts the above technical scheme, following technological effect has:
1. the utility model adopts the bending-resistant optical fiber, has small bending radius, and is suitable for complex severe environments such as field operations, emergency disaster relief and the like;
2. the tight-buffered optical fiber is coated and manufactured by acrylic resin, or a layer of nylon material, low-smoke halogen-free material, polyvinyl chloride or thermoplastic polyurethane elastomer rubber is extruded to the colored optical fiber 1 by a 30-plastic extruding machine to be used as the tight-buffered layer 2, so that the production efficiency is high, and the protection effect on the optical fiber is excellent;
3. the nonmetal central reinforcement unit is adopted, so that the nonmetal central reinforcement unit has the characteristics of high tensile force resistance, light weight and excellent bending performance;
4. the multi-optical fiber unit combined cable core is adopted, the optical fiber units surround the central reinforcement unit and are formed in one step, the number of optical fiber cores in the cable core is large, and the production efficiency is high;
5. the optical fiber jacket 3 of the optical fiber unit in the multi-optical fiber unit combined cable core is provided with the fiber stripping groove 4, so that the stripping efficiency of the optical fiber is improved, and the splicing is convenient;
6. the multi-optical fiber unit combined type cable core outer reinforcement, namely the cable core water-blocking tensile layer, adopts water-blocking aramid yarns, so that the tensile and water-blocking performance of the optical cable is improved;
7. the armor layer adopts the metal spiral pipe, the protection of the cable core is enhanced, the side pressure resistance of the optical cable is improved, and the optical cable has excellent bending resistance;
8. the outer sheath of the optical cable is made of thermoplastic polyurethane elastomer rubber (TPU) material, and has the capabilities of low smoke, zero halogen, flame retardance, low toxicity, oil resistance, wear resistance, cutting resistance, corrosion resistance, ultraviolet aging resistance, salt mist resistance and humidity resistance;
9. the optical cable adopts a full-dry structure, can be vertically laid, is clean and sanitary in connection and has high efficiency.
The utility model has the advantages that: the utility model discloses a multi-fiber unit combined cable core, in the cable core evenly arrange a plurality of optical fiber unit in around central reinforcement unit and with the multi-fiber unit combined cable core of extruding fashioned multicore number of extruding machine and mould one time, the novel field emergency optical cable of making with multi-fiber unit combined cable core is that the optical fiber core is many, the compliance is good, resistance to compression and shock resistance are good resistant harsh environment multicore armor optical cable, can be used for the individual soldier of army to lay wire fast, on-vehicle wiring, broadcast television rebroadcasting, emergency repair, interim communication system, LAN wiring, urgent and abominable environment such as computer lab accent are one kind safety, long service life, the emergent optical cable that rescues destroyed when specially adapted army war is as emergent substitution optical cable.
Drawings
Fig. 1 is a schematic cross-sectional structure view of a novel field emergency optical cable.
In the figure, 1 is a colored optical fiber, 2 is a tight sleeve layer, 3 is an optical fiber sheath, 4 is a fiber stripping groove, 5 is a central reinforcing piece, 6 is a reinforcing piece extrusion cushion layer, 7 is a cable core water-blocking tensile layer, 8 is a cable core coating layer, 9 is a sheath, 10 is an armor layer, and 11 is an outer sheath.
Detailed Description
The technical solution of the present invention will be described in detail and fully with reference to the following embodiments and accompanying drawings. The embodiment is the novel field emergency optical cable shown in fig. 1 and provided with 6 optical fiber units, each optical fiber unit comprises 2 optical fibers, the number of the optical fibers is 12, 2 tightly sleeved optical fibers which are parallel to each other are coated by an optical fiber sheath 3 with an oval cross section to form an optical fiber unit with an oval cross section, the 6 optical fiber units are uniformly distributed around the central reinforcing member unit by taking the central reinforcing member unit as the center, and the internal structure of the multi-optical fiber unit combined cable core with the optical fiber units uniformly distributed around the central reinforcing member unit is formed.
The tight-buffered optical fiber is an optical fiber with the outer surface of the colored optical fiber 1 coated with the tight-buffered layer 2, the central reinforcing part unit is a central reinforcing part unit with a circular cross section formed by extruding a non-metal reinforcing part extrusion cushion layer 6 on the surface of a non-metal central reinforcing part 5 with a circular cross section, and the reinforcing part extrusion cushion layer 6 serves as a central reinforcing part buffer layer.
The outer surface of an optical fiber sheath 3 with an oval cross section of each optical fiber unit is provided with a longitudinal fiber stripping groove 4, and a cable core water-blocking tensile layer 7, a cable core coating layer 8 and an inner sheath 9 are sequentially coated on the outer surface of the inner structure of the combined cable core of the plurality of optical fiber units from inside to outside to form a multi-optical fiber unit combined cable core; armor 10 cladding is on inner sheath 9, and the cladding of oversheath 11 constitutes a novel emergent optical cable of field operations on armor 10.
The colored optical fiber 1 is a bending-resistant optical fiber which is colored, the optical fiber is marked by a color spectrum, and the tight-buffered layer 2 is a layer of acrylic resin which is coated on the colored optical fiber 1 in an ultraviolet curing mode.
The optical fiber sheath 3 with the oval cross section is an extruded tight-sleeved optical fiber inner protective layer, the optical fiber sheaths 3 of 6 optical fiber units are simultaneously extruded and formed in the same die, and when the optical fiber sheath 3 is extruded, a longitudinal V-shaped fiber stripping groove 4 is formed on the outer side surface of the optical fiber sheath 3;
the material of central reinforcement 5 is Fibre Reinforced Plastic (FRP), has soft and light in weight's characteristics, and the crowded bed course of reinforcement 6 extrudes at the surface of central reinforcement 5 as central reinforcement buffer layer, and the material of the crowded bed course of reinforcement 6 is non-metallic low smoke and no halogen material.
The cable core water-blocking tensile layer 7 is made of water-blocking aramid yarns, and the structure of the cable core water-blocking tensile layer 7 is that the water-blocking aramid yarns are parallelly arranged on the outer surface of the internal structure of the combined cable core of the multi-optical fiber unit consisting of the 6 optical fiber units and the central reinforcement unit. The cable core coating layer 8 is a layer of extruded low-smoke halogen-free material. The inner sheath 9 is made of thermoplastic polyurethane elastomer (TPU) sheath material, and the inner sheath 9 is a TPU layer extruded on the cable core coating layer 8.
Armor 10 is the metal collapsible tube armor, and the material of armor 10 is the metal stainless steel spiral pipe, and armor 10 carries out mechanical protection to the cable core, strengthens the protection to the fiber unit in the cable core of inside, makes the optical cable have high compressive property, avoids outside rolling to cause the influence to the optical signal transmission of optic fibre.
The outer sheath 11 is made of thermoplastic polyurethane elastomer (TPU) sheath materials, the outer sheath 11 is a TPU layer which is extruded on the armor layer 10 and wraps the armor layer 10, and the extruded TPU improves the oil resistance, the wear resistance, the cutting resistance, the corrosion resistance, the ultraviolet ray aging resistance, the high and low temperature resistance and the flame retardant property of the optical cable.
The utility model discloses a novel field operation emergency optical cable which has 6 optical fiber units, each optical fiber unit contains 2 optical fibers, the optical fiber core number of which is 12 cores, the utility model discloses a typical structure phi 10.6mm circular cross section field operation emergency optical cable, wherein optical fiber adopts the mode of bend-resistant single mode fiber or bend-resistant multimode fiber or the mixture of single mode fiber and multimode fiber, the external diameter of tight-buffered optical fiber is 0.5 +/-0.05 mm, totally 12 cores, wherein two cores are one optical fiber unit, the optical fiber unit is an oval structure with a short axis of 1.5mm and a long axis of 1.8 mm; the central reinforcement 5 is FRP of phi 1.0mm, the crowded bed course thickness of FRP is 0.5mm, the parallel aramid yarn that blocks water of filling up of combined cable core structure surface is as cable core tensile layer that blocks water, the inner sheath thickness of cable core is 0.5mm, the inner sheath external diameter is phi 6.2mm, the stainless steel metal armor hose internal diameter of metal armor is phi 6.9mm, external diameter phi 7.6mm, oversheath thickness is 1.5 mm.
The utility model discloses adapt to place demands such as special office of provincial and municipal communication, army, broadcasting and TV, also be applicable to for military use field communication system fast wiring or receive and release repeatedly, still be applicable to emergency such as emergency wire laying, on-vehicle wiring, broadcast television relay emergency repair, interim communication system, LAN wiring, computer lab transfer, emergency wire laying in the circuit in disaster relief area.
Claims (9)
1. A novel field emergency optical cable is characterized in that 1-2 or 3-4 mutually parallel tight-sleeved optical fibers are coated by an optical fiber sheath (3) with an oval cross section to form an optical fiber unit with the oval cross section, 6-8 optical fiber units are uniformly distributed around the central reinforcement unit by taking the central reinforcement unit as the center, and an internal structure of a multi-optical fiber unit combined cable core with the optical fiber units uniformly distributed around the central reinforcement unit is formed;
the tight-buffered optical fiber is an optical fiber of which the outer surface of a colored optical fiber (1) is coated with a tight-buffered layer (2), the central reinforcing part unit is a central reinforcing part unit with a circular cross section, which is formed by extruding a non-metal reinforcing part extrusion cushion layer (6) on the surface of a non-metal central reinforcing part (5) with a circular cross section, and the reinforcing part extrusion cushion layer (6) is a buffer layer of the central reinforcing part;
a longitudinal fiber stripping groove (4) is formed in the outer surface of an optical fiber sheath (3) with an oval cross section of each optical fiber unit, and a cable core water-blocking tensile layer (7), a cable core coating layer (8) and an inner sheath (9) are sequentially coated on the outer surface of the inner structure of the multi-optical fiber unit combined cable core from inside to outside to form the multi-optical fiber unit combined cable core; armor (10) cladding is on inner sheath (9), and oversheath (11) cladding constitutes a novel emergent optical cable of field operations on armor (10).
2. The novel field emergency optical cable according to claim 1, wherein the colored optical fiber (1) is a bend-resistant optical fiber which is colored, and the optical fiber is identified by a color spectrum.
3. A novel field emergency optical cable according to claim 1, wherein the tight-buffered layer (2) is a layer of acrylic resin coated on the colored optical fiber (1) by means of uv curing, or a layer of nylon, low smoke halogen-free, polyvinyl chloride or thermoplastic polyurethane elastomer rubber extruded on the colored optical fiber (1) by means of an extruder.
4. The novel field emergency optical cable according to claim 1, wherein the optical fiber sheath (3) with the oval cross section is an extruded tight-buffered optical fiber inner sheath, the optical fiber sheaths (3) of 6-8 optical fiber units are simultaneously extruded and formed in the same die, and when the optical fiber sheath (3) is extruded, the outer side surface of the optical fiber sheath (3) forms a longitudinal V-shaped fiber stripping groove (4).
5. A novel field emergency optical cable according to claim 1, wherein the central reinforcement (5) is made of fiber reinforced composite material or kevlar fiber reinforced plastic, and the reinforcement extrusion cushion layer (6) is made of nylon material, low smoke halogen-free material, polyvinyl chloride or thermoplastic polyurethane elastomer rubber.
6. The novel field emergency optical cable according to claim 1, wherein the cable core water-blocking tensile layer (7) is made of water-blocking aramid yarns, and the cable core water-blocking tensile layer (7) is structured such that the water-blocking aramid yarns are parallelly placed on the outer surface of the inner structure of the multi-fiber unit combined cable core formed by 6-8 fiber units and a central reinforcement unit, or one layer of water-blocking aramid yarns is stranded on the outer surface of the inner structure of the multi-fiber unit combined cable core in a spiral stranding manner.
7. A novel field emergency optical cable according to claim 1, wherein the cable core cladding (8) is an extruded low smoke zero halogen layer.
8. A novel field emergency optical cable according to claim 1, wherein the inner sheath (9) and the outer sheath (11) are made of thermoplastic polyurethane elastomer rubber sheath material, the inner sheath (9) is made of thermoplastic polyurethane elastomer rubber layer extruded on the cable core cladding (8), and the outer sheath (11) is made of thermoplastic polyurethane elastomer rubber layer extruded on the armor layer (10) and cladding the armor layer (10).
9. The novel field emergency optical cable according to claim 1, wherein the armor layer (10) is a metal hose armor layer, and the material of the armor layer (10) is a metal stainless steel spiral pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635794.3U CN210572928U (en) | 2019-09-29 | 2019-09-29 | Novel field emergency optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921635794.3U CN210572928U (en) | 2019-09-29 | 2019-09-29 | Novel field emergency optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN210572928U true CN210572928U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921635794.3U Expired - Fee Related CN210572928U (en) | 2019-09-29 | 2019-09-29 | Novel field emergency optical cable |
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| CN (1) | CN210572928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114755773A (en) * | 2021-08-31 | 2022-07-15 | 南京华信藤仓光通信有限公司 | Winding superposed super-large core number ribbon optical cable and manufacturing method thereof |
-
2019
- 2019-09-29 CN CN201921635794.3U patent/CN210572928U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114755773A (en) * | 2021-08-31 | 2022-07-15 | 南京华信藤仓光通信有限公司 | Winding superposed super-large core number ribbon optical cable and manufacturing method thereof |
| CN114755773B (en) * | 2021-08-31 | 2023-01-31 | 南京华信藤仓光通信有限公司 | Winding superposed super-large core number ribbon optical cable and manufacturing method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |