CN212276896U - Conductive side-emitting optical fiber - Google Patents
Conductive side-emitting optical fiber Download PDFInfo
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- CN212276896U CN212276896U CN202021481529.7U CN202021481529U CN212276896U CN 212276896 U CN212276896 U CN 212276896U CN 202021481529 U CN202021481529 U CN 202021481529U CN 212276896 U CN212276896 U CN 212276896U
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Abstract
The utility model discloses a luminous optic fibre of conductible side, including conductor (1), the cover is equipped with sandwich layer (2) and covering (3) by interior and outer in proper order on conductor (1), sandwich layer (2) are made by high luminousness material, covering (3) are made by the printing opacity material, the refracting index of sandwich layer (2) is greater than the refracting index of covering (3). The utility model discloses following beneficial effect has: the compound function of light transmission, electrically conductive can be solved to single cable, and the volume ratio plays prior art's scheme and reduces greatly, has improved the convenience of transportation, wiring installation operation greatly, simultaneously owing to be in the same place wire and optic fibre integration, the stable even side of cable is realized in sandwich layer and cladding cooperation, not only has the decoration effect, still possesses the illumination effect, can provide light in dark environment, makes things convenient for the operation, reduce cost.
Description
Technical Field
The utility model belongs to the optical fiber field especially relates to a luminous optic fibre of conductible side.
Background
The optical fiber is a short-hand writing of optical fiber, is a fiber made of glass or plastic, and can be used as a light conduction tool and can also be used for communication information transmission. The wire is a cable for conducting electricity or heat. However, the optical fiber cannot conduct electricity, the conducting wire cannot be used for information transmission, and when the electric conduction and the information transmission are needed, the optical fiber and the conducting wire can be wrapped into a composite cable only in a multi-wire parallel mode or in a twisted mode. Finished products formed by the two modes are large in size, inconvenient to transport and wire distribution, inconvenient to operate in a dark environment, and inconvenient to operate due to the fact that lighting equipment needs to be erected independently, and the operation cost is increased; meanwhile, the cable is inconvenient to search in a dark environment, and the lighting equipment needs to be carried additionally.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the prior art, the utility model provides a but the luminous optic fibre of conductive side. The novel LED lamp is small in size, convenient to carry and install, and capable of operating without being provided with lighting equipment in a dark environment, cost is reduced, and efficiency is improved.
According to the utility model discloses a can lead luminous optic fibre of electric side that provides, which comprises a conductor, the cover is equipped with sandwich layer and covering by interior and outside in proper order on the conductor, the sandwich layer is made by the high light transmittance material, the covering is made by the printing opacity material, the refracting index of sandwich layer is greater than the refracting index of covering.
Further, the light transmittance of the core layer is 92% -93%.
Further, the light transmittance of the cladding is 60% -70%.
Further, the refractive index of the core layer is 1.49-1.5.
Further, the refractive index of the cladding is 1.35-1.42.
Furthermore, the number of the conductors is two, each conductor is coated with an insulating layer, the two conductors coated with the insulating layers form a lead group, and the core layer is coated on the insulating layers and connected with the insulating layers.
Further, the core layer is made of PMMA material.
Further, the cladding is made of PVDF material.
Further, in the radial direction, the conductor is a copper wire, the diameter of the copper wire is 1.8mm, the insulating layer is cylindrical, the thickness of the insulating layer is 0.1mm, the outer diameter of a cable formed after the insulating layer is coated by the core layer is 5.6mm, the cladding layer is cylindrical, the thickness of the cladding layer is 0.2mm, and the outer diameter of the conductive side light-emitting optical fiber is 6 mm.
Further, the core layer is disposed coaxially with the cladding layer.
Compared with the prior art, the utility model discloses following beneficial effect has: the compound function of light transmission, electrically conductive can be solved to single cable, and the volume ratio plays prior art's scheme and reduces greatly, has improved the convenience of transportation, wiring installation operation greatly, simultaneously owing to be in the same place wire and optic fibre integration, the stable even side of cable is realized in sandwich layer and cladding cooperation and is luminous, not only has the decoration effect, still possesses the illumination or luminous positioning action, can provide light in dark environment, convenient operation, reduce cost.
Drawings
Fig. 1 is a schematic cross-sectional view of a conductive side-emitting optical fiber according to one to two embodiments of the present invention.
In the above drawings: 1. a conductor; 2. a core layer; 3. a cladding layer; 4. an insulating layer.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.
The embodiment of the utility model provides a but light-emitting fiber of electric conduction side, its conductor 1 that will conduct can be integrated together with sandwich layer 2 and covering 3 that supply optical signal to pass through, obtain not only can lead electric, but also can carry out information transmission's single cable of small volume. The light-emitting optical fiber capable of conducting side light-emitting has stable and uniform light-emitting at the outer side, not only has a decoration effect, but also has an illumination or light-emitting positioning effect.
Example one
As shown in fig. 1, the light-emitting optical fiber at the conductive side comprises a conductor 1, wherein the conductor 1 is a copper wire, the number of the conductors 1 is two, and two copper wires can be respectively used as a zero line and a live line, so that one light-emitting optical fiber at the conductive side can smoothly supply power. Every copper line all wraps outward with the endocentric insulating layer 4 of copper line, and two conductors 1 that have wrapped insulating layer 4 form the wire group, and the cover is equipped with sandwich layer 2 and covering 3 in proper order outside the wire group from inside to outside, and sandwich layer 2 is coaxial with covering 3, sandwich layer 2 is made by the high luminousness material, covering 3 is made by the printing opacity material, the refracting index of sandwich layer 2 is greater than the refracting index of covering 3. Electricity is transmitted by conductor 1, and light or light signal are transmitted by core layer 2 that high light transmittance material was made, can reduce the loss of light propagation, and cladding 3 is made by the printing opacity material, because the refracting index of core layer 2 is greater than the refracting index of cladding 3, and most light is reflected back to core layer 2 and is continued the transmission from the refraction of core layer 2 to cladding 3 back total reflection, and other light refract into cladding 3 from core layer 2 to outside scattering goes out cladding 3, realizes even outside luminous effect.
In a possible embodiment, the insulating layer 4 is made of PVC. Excellent electrical insulating property and high chemical stability.
In order to ensure high light transmittance of the core layer 2, in the embodiment, the core layer 2 is selected to be made of PMMA material with light transmittance of 93%, and the high light transmittance core layer 2 can ensure the light emitting distance and has a refractive index of 1.49.
Meanwhile, PVDF material with the light transmittance of 60% and the refractive index of 1.35 is selected to be made into the cladding 3, the light transmittance of the core layer 2 is set to be larger than that of the cladding 3, so that after the conductive side-emitting optical fiber emits light, the core layer 2 and the conductor 1 in the cladding 3 cannot be clearly seen, and meanwhile, light transmitted by the cladding 3 is softer and is not dazzling. Meanwhile, the difference value of the relative refractive indexes of the core layer 2 and the cladding layer 3 is 9.4 percent, and the difference value of the refractive indexes of the core layer 2 and the cladding layer 3 is very small, so that the total reflection of light at the junction of the core layer 2 and the cladding layer 3 is ensured; meanwhile, PVDF is selected as a material of the cladding 3, and the material has the advantages of strong toughness, low friction coefficient, strong corrosion resistance, good aging resistance and good weather and irradiation resistance.
The diameter of the copper wire is 1.8mm, the insulating layer is cylindrical, the thickness of the insulating layer is 0.1mm, the outer diameter of a cable formed after the insulating layer is coated by the core layer is 5.6mm, the coating layer is cylindrical, the thickness of the coating layer is 0.2mm, and the outer diameter of the conductive side light-emitting optical fiber is 6 mm.
Specifically, a manufacturing process of a conductive side-emitting optical fiber is used for producing the conductive side-emitting optical fiber of the present embodiment, and the process steps are as follows:
s1, preparing conductor 1;
s2, coating the core layer 2 outside the conductor 1;
s3, cladding 3 is coated outside the core layer 2 to form a conductive side-emitting optical fiber.
Specifically, S0: preparing a cable extrusion production line which comprises a pay-off device, a first extruder, a second extruder, a first water-cooling machine, a second water-cooling machine, a cable storage device, a meter counting device and a take-up device;
s01: preparing materials for the core layer: selecting 1kg of PMMA material with the light transmittance of 93% and the refractive index of 1.49 as a material of the core layer 2;
s03: coating and batching: 1kg of PVDF material with the light transmittance of 60% and the refractive index of 1.35 is selected as a material of the cladding 3;
s1: preparing two copper wires as conductors 1, coating an insulating layer 4 which is made of PVC and is concentric with the copper wires outside each copper wire, then placing the copper wires in a wire releasing device, and sending core wires into a first extruder by the wire releasing device;
s2: two conductors 1 coated with insulating layers 4 form a lead group, and a core layer 2 is coated outside the lead group; the core layer 2 is proportionally placed into a first extruder, melted and extruded from a first extruder head to coat the conductor 1 penetrating through the first extruder head to form a cable, and the cable is cooled by a first water cooler to obtain an intermediate product; the heating maximum temperature of the core layer 2 in the first extruder is 165 ℃, the extrusion temperature is 145 ℃, and the cooling water temperature is 25 ℃; the rotating speed of the main machine of the first extruder is set to be 26r/min, and the traction speed is 5 m/min; the main parameters for adjusting the wire diameter are two, one is the rotating speed of the main engine, and the other is the traction speed. Under the condition that the speed of the host is not changed, the higher the traction speed is, the thinner the wire diameter is, and otherwise, the thicker the wire diameter is; under the condition that the traction speed is not changed, the faster the host speed is, the more the extruded plastic is, the thicker the wire diameter is, otherwise, the lower the extrusion speed is, the less the extruded plastic is, the thinner the wire diameter is;
s3, coaxially cladding the cladding 3 outside the core layer 2, to form a conductive side-emitting optical fiber: putting a cladding 3 material into a second extruder, extruding and cladding the molten cladding 3 material from a second extruder head to the outside of an intermediate product passing through the second extruder head, then performing water cooling by a second water cooling machine to form a cladding 3 on the outer side of a core layer 2, enabling the core layer 2 and the cladding 3 to be coaxial, and obtaining the conductive side light-emitting optical fiber shown in the figure 1, wherein the diameter of a copper wire is 1.8mm, the thickness of an insulating layer is cylindrical, the thickness of the insulating layer is 0.1mm, the outer diameter of a cable formed after the insulating layer is cladded by the core layer is 5.6mm, the cladding is cylindrical, the thickness of the cladding is 0.2mm, and the outer diameter of the conductive side light-emitting optical fiber is 6 mm; the highest heating temperature of the cladding 3 is 215 ℃, the extrusion temperature is 190 ℃, the cooling water temperature is 25 ℃, the rotating speed of a main machine of the cladding 3 extruder is 10r/min, and the traction speed is 5 m/min;
s4, a containing space for placing the light-emitting optical fiber at the conductive side is arranged in the wire storage device, the light-emitting optical fiber at the conductive side enters the wire storage device for temporary storage, the light-emitting optical fiber at the conductive side output from the wire storage device enters the meter counting device, the meter counting device counts the length of the light-emitting optical fiber, a space for rolling the light-emitting optical fiber at the conductive side is arranged in the wire take-up device, and the light-emitting optical fiber at the conductive side output from the meter counting device is rolled and stored by the wire take-up device.
When the light-emitting optical fiber is used, the light source, namely the LED lamp, is wrapped by the heat-shrinkable tube to form a sleeve, one end of the light-emitting optical fiber at the conductive side is inserted into the sleeve, the other end of the light-emitting optical fiber is communicated with the power supply to be used, after the light is electrified and conducted, the light-emitting distance of the light-emitting optical fiber at the conductive side can reach more than 2 meters, the lighting effect is remarkable, meanwhile, the light is emitted from the side, the position of the light-emitting optical fiber at the conductive side can be quickly positioned when the.
The specific operating parameters of this example are shown in tables 1-2:
| head temperature | Neck temperature | Fuselage three-section | Fuselage two-section | Section of fuselage |
| 145℃ | 155℃ | 150℃ | 160℃ | 165℃ |
| Main unit rotating speed (r/s) | Traction speed (m/min) | Temperature of cooling water | Cable external diameter (mm) | |
| 26 | 5 | 25℃ | 5.6 |
TABLE 1 operating parameters of the first extruder
| Head temperature | Neck temperature | Fuselage three-section | Fuselage two-section | Section of fuselage |
| 190℃ | 200℃ | 205℃ | 210℃ | 215℃ |
| Speed of main engine | Traction rotational speed | Temperature of cooling water | Cable external diameter (mm) | |
| 10 | 5 | 25℃ | 6.0 |
TABLE 2 Secondary extruder operating parameters
Example two
As shown in fig. 1, the light-emitting optical fiber at the conductive side comprises a conductor 1, wherein the conductor 1 is a copper wire, the number of the conductors 1 is two, and two copper wires can be respectively used as a zero line and a live line, so that one light-emitting optical fiber at the conductive side can smoothly supply power. Every copper line all wraps outward with the endocentric insulating layer 4 of copper line, and two conductors 1 that have wrapped insulating layer 4 form the wire group, and the cover is equipped with sandwich layer 2 and covering 3 in proper order outside the wire group from inside to outside, and sandwich layer 2 is coaxial with covering 3, sandwich layer 2 is made by the high luminousness material, covering 3 is made by the printing opacity material, the refracting index of sandwich layer 2 is greater than the refracting index of covering 3. Electricity is transmitted by conductor 1, and light or light signal are transmitted by core layer 2 that high light transmittance material was made, can reduce the loss of light propagation, and cladding 3 is made by the printing opacity material, because the refracting index of core layer 2 is greater than the refracting index of cladding 3, and most light is reflected back to core layer 2 and is continued the transmission from the refraction of core layer 2 to cladding 3 back total reflection, and other light refract into cladding 3 from core layer 2 to outside scattering goes out cladding 3, realizes even outside luminous effect.
In a possible embodiment, the insulating layer 4 is made of PVC. Excellent electrical insulating property and high chemical stability.
In order to ensure high light transmittance of the core layer 2, in this embodiment, the core layer 2 is made of PMMA material with light transmittance of 92%, the core layer 2 with high light transmittance can ensure light emitting distance, and the refractive index is 1.5.
Meanwhile, PVDF material with 70% of light transmittance and 1.42 of refractive index is selected to be made into the cladding 3, the light transmittance of the core layer 2 is set to be larger than that of the cladding 3, so that after the conductive side light-emitting optical fiber emits light, the core layer 2 and the conductor 1 in the cladding 3 cannot be clearly seen, and meanwhile, light transmitted by the cladding 3 is softer and is not dazzling. Meanwhile, the difference between the relative refractive indexes of the core layer 2 and the cladding layer 3 is 5.33 percent, and the difference between the refractive indexes of the core layer 2 and the cladding layer 3 is very small, so that the total reflection of light at the junction of the core layer 2 and the cladding layer 3 is ensured; meanwhile, PVDF is selected as a material of the cladding 3, and the material has the advantages of strong toughness, low friction coefficient, strong corrosion resistance, good aging resistance and good weather and irradiation resistance.
The diameter of the copper wire is 1.8mm, the insulating layer is cylindrical, the thickness of the insulating layer is 0.1mm, the outer diameter of a cable formed after the insulating layer is coated by the core layer is 5.6mm, the coating layer is cylindrical, the thickness of the coating layer is 0.2mm, and the outer diameter of the conductive side light-emitting optical fiber is 6 mm.
Specifically, a manufacturing process of a conductive side-emitting optical fiber is used for producing the conductive side-emitting optical fiber described in this embodiment, and the process steps are as follows:
s1, preparing conductor 1;
s2, coating the core layer 2 outside the conductor 1;
s3, cladding 3 is coated outside the core layer 2 to form a conductive side-emitting optical fiber.
Specifically, S0: preparing a cable extrusion production line which comprises a pay-off device, a first extruder, a second extruder, a first water-cooling machine, a second water-cooling machine, a cable storage device, a meter counting device and a take-up device;
s01: preparing materials for the core layer: according to the weight ratio, 1kg of PMMA material with the light transmittance of 92% and the refractive index of 1.5 is taken as the material of the core layer 2;
s03: coating and batching: 1kg of PVDF material with the light transmittance of 70% and the refractive index of 1.42 is selected as the material of the cladding 3;
s1: preparing two copper wires as conductors 1, coating an insulating layer 4 which is made of PVC and is concentric with the copper wires outside each copper wire, then placing the copper wires in a wire releasing device, and sending core wires into a first extruder by the wire releasing device;
s2: two conductors 1 coated with insulating layers 4 form a lead group, and a core layer 2 is coated outside the lead group; the core layer 2 is proportionally placed into a first extruder, melted and extruded from a first extruder head to coat the conductor 1 penetrating through the first extruder head to form a cable, and the cable is cooled by a first water cooler to obtain an intermediate product; the heating maximum temperature of the core layer 2 in the first extruder is 165 ℃, the extrusion temperature is 145 ℃, and the cooling water temperature is 25 ℃; the rotating speed of the main machine of the first extruder is set to be 26r/min, and the traction speed is 5 m/min; the main parameters for adjusting the wire diameter are two, one is the rotating speed of the main engine, and the other is the traction speed. Under the condition that the speed of the host is not changed, the higher the traction speed is, the thinner the wire diameter is, and otherwise, the thicker the wire diameter is; under the condition that the traction speed is not changed, the faster the host speed is, the more the extruded plastic is, the thicker the wire diameter is, otherwise, the lower the extrusion speed is, the less the extruded plastic is, the thinner the wire diameter is;
s3, coaxially cladding the cladding 3 outside the core layer 2, to form a conductive side-emitting optical fiber: putting a cladding 3 material into a second extruder, extruding and cladding the molten cladding 3 material from a second extruder head to the outside of an intermediate product passing through the second extruder head, then performing water cooling by a second water cooling machine to form a cladding 3 on the outer side of a core layer 2, enabling the core layer 2 and the cladding 3 to be coaxial, and obtaining the conductive side light-emitting optical fiber shown in the figure 1, wherein the diameter of a copper wire is 1.8mm, the thickness of an insulating layer is cylindrical, the thickness of the insulating layer is 0.1mm, the outer diameter of a cable formed after the insulating layer is cladded by the core layer is 5.6mm, the cladding is cylindrical, the thickness of the cladding is 0.2mm, and the outer diameter of the conductive side light-emitting optical fiber is 6 mm; the highest heating temperature of the cladding 3 is 215 ℃, the extrusion temperature is 190 ℃, the cooling water temperature is 25 ℃, the rotating speed of a main machine of the cladding 3 extruder is 10r/min, and the traction speed is 5 m/min;
s4, a containing space for placing the light-emitting optical fiber at the conductive side is arranged in the wire storage device, the light-emitting optical fiber at the conductive side enters the wire storage device for temporary storage, the light-emitting optical fiber at the conductive side output from the wire storage device enters the meter counting device, the meter counting device counts the length of the light-emitting optical fiber, a space for rolling the light-emitting optical fiber at the conductive side is arranged in the wire take-up device, and the light-emitting optical fiber at the conductive side output from the meter counting device is rolled and stored by the wire take-up device.
When the light-emitting optical fiber is used, the light source, namely the LED lamp, is wrapped by the heat-shrinkable tube to form a sleeve, one end of the light-emitting optical fiber at the conductive side is inserted into the sleeve, the other end of the light-emitting optical fiber is communicated with the power supply to be used, after the light is electrified and conducted, the light-emitting distance of the light-emitting optical fiber at the conductive side can reach more than 2 meters, the lighting effect is remarkable, meanwhile, the light is emitted from the side, the position of the light-emitting optical fiber at the conductive side can be quickly positioned when the.
The specific operating parameters of this example are shown in tables 3-4:
TABLE 3 operating parameters of the first extruder
| Head temperature | Neck temperature | Fuselage three-section | Fuselage two-section | Section of fuselage |
| 190℃ | 200℃ | 205℃ | 210℃ | 215℃ |
| Speed of main engine | Traction rotational speed | Temperature of cooling water | Cable external diameter (mm) | |
| 10 | 5 | 25℃ | 6.0 |
TABLE 4 Secondary extruder operating parameters
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. A conductive side-emitting optical fiber, comprising: including conductor (1), by interior and outer cover in proper order on conductor (1) be equipped with sandwich layer (2) and cladding (3), sandwich layer (2) are made by high light transmittance material, cladding (3) are made by the printing opacity material, the refracting index of sandwich layer (2) is greater than the refracting index of cladding (3).
2. A conductive side-emitting optical fiber as claimed in claim 1, wherein: the light transmittance of the core layer (2) is 92% -93%.
3. A conductive side-emitting optical fiber as claimed in claim 1, wherein: the light transmittance of the cladding (3) is 60% -70%.
4. A conductive side-emitting optical fiber as claimed in claim 1, wherein: the refractive index of the core layer (2) is 1.49-1.5.
5. A conductive side-emitting optical fiber as claimed in claim 1, wherein: the refractive index of the cladding (3) is 1.35-1.42.
6. A conductive side-emitting optical fiber as claimed in claim 1, wherein: the number of the conductors (1) is two, each conductor (1) is coated with an insulating layer (4), the two conductors (1) coated with the insulating layers (4) form a lead group, and the core layer (2) is coated on the insulating layers (4) and connected with the insulating layers (4).
7. A conductive side-emitting optical fiber according to claim 2 or 4, wherein: the core layer (2) is made of PMMA material.
8. A conductive side-emitting optical fiber according to claim 3 or 5, wherein: the cladding (3) is made of PVDF material.
9. A conductive side-emitting optical fiber as claimed in claim 6, wherein: according to the radial meter, the conductor (1) is a copper wire, the diameter of the copper wire is 1.8mm, the insulating layer (4) is cylindrical, the thickness of the insulating layer (4) is 0.1mm, the outer diameter of a cable formed after the insulating layer (4) is coated by the core layer (2) is 5.6mm, the cladding (3) is cylindrical, the thickness of the cladding (3) is 0.2mm, and the outer diameter of the light-emitting optical fiber on the conductive side is 6 mm.
10. A conductive side-emitting optical fiber as claimed in claim 1, wherein: the core layer (2) and the cladding layer (3) are coaxially arranged.
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| CN202021481529.7U CN212276896U (en) | 2020-07-23 | 2020-07-23 | Conductive side-emitting optical fiber |
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