CN217504993U - Optical fiber surface temperature monitoring and controlling device - Google Patents
Optical fiber surface temperature monitoring and controlling device Download PDFInfo
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- CN217504993U CN217504993U CN202221423287.5U CN202221423287U CN217504993U CN 217504993 U CN217504993 U CN 217504993U CN 202221423287 U CN202221423287 U CN 202221423287U CN 217504993 U CN217504993 U CN 217504993U
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Abstract
The utility model discloses an optical fiber surface temperature monitoring and controlling device, which comprises a rod feeding device, a graphite furnace, a diameter measuring instrument, a coating device, a coating curing device and a fiber collecting device which are arranged in sequence from top to bottom; a heating furnace is arranged above the coating device, a temperature measuring instrument is arranged between the coating device and the heating furnace, and the temperature measuring instrument measures the surface temperature of the optical fiber needing to enter the coating device; the temperature measuring instrument and the heating furnace are both connected with a control cabinet, and the control cabinet controls the heating furnace to increase and decrease the temperature according to data fed back by the temperature measuring instrument. A temperature measuring instrument is arranged above the coating device, the temperature of the optical fiber before entering the coating device can be measured, and if the temperature of the optical fiber is lower at the moment, the control cabinet controls the heating furnace to be heated, so that the subsequent optical fiber is heated again; if the temperature on the optical fiber before entering the coating device is higher, the control cabinet controls the heating furnace to cool down, so that the temperature of the subsequent optical fiber is lowered, the temperature of the optical fiber entering the coating device is ensured to be constant, and the better adhesion effect of the hard coating and the optical fiber is ensured.
Description
Technical Field
The utility model belongs to the technical field of the optic fibre is made, a optic fibre surface temperature monitoring and controlling means is related to.
Background
Hard-coated optical fiber is made by solidifying a hard plastic on the surface of quartz, and the refractive index is lower than that of quartz, thereby providing a large numerical aperture (NA ═ 0.37,0.39, 0.46). The degree of adhesion of the hard coating to the quartz determines the mechanical and long-term reliability properties of the optical fiber. The quartz melted by the graphite furnace has a certain distance from the coating device, and the distance can cause the surface of the quartz to be cooler and have a larger temperature difference with the coating, thereby influencing the adhesion of the subsequent coating.
Disclosure of Invention
The utility model aims at having foretell problem to current technique, provided an optic fibre surface temperature monitoring and controlling means.
In order to achieve the purpose, the device can be realized by the following technical scheme that the device for monitoring and controlling the surface temperature of the optical fiber comprises a rod feeding device, a graphite furnace, a diameter gauge, a coating device, a coating curing device and an optical fiber collecting device which are sequentially arranged from top to bottom; a heating furnace is arranged above the coating device, a temperature measuring instrument is arranged between the coating device and the heating furnace, and the temperature measuring instrument measures the surface temperature of the optical fiber needing to enter the coating device; the temperature measuring instrument and the heating furnace are both connected with a control cabinet, and the control cabinet controls the heating furnace to increase and decrease the temperature according to data fed back by the temperature measuring instrument.
More specifically, the thermometer is arranged 8-12cm above the applicator.
More specifically, the thermometer is positioned 10cm above the applicator.
Further specifically, the temperature measuring instrument is a non-contact infrared temperature measuring instrument.
Further specifically, the diameter measuring instrument is a laser diameter measuring instrument.
More specifically, the diameter measuring instrument is an image type diameter measuring instrument.
Further specifically, the coating and curing device is an ultraviolet curing oven.
More specifically, the fiber collecting device comprises a guide wheel, a traction wheel and an optical fiber disc.
More specifically, tensioning wheels are arranged on two sides of the traction wheel.
Further specifically, the optical fiber disc is connected with a motor.
The utility model relates to an optic fibre surface temperature monitoring and controlling means can realize following technological effect: the temperature measuring instrument is arranged above the coating device, the temperature of the optical fiber before entering the coating device can be measured, and if the temperature of the optical fiber is lower at the moment, the control cabinet controls the heating furnace to heat up, so that the subsequent optical fiber is heated again, and the temperature of the optical fiber entering the coating device is ensured to be stable; if the temperature on the optical fiber before entering the coating device is higher, the control cabinet controls the heating furnace to cool down, so that the temperature of the subsequent optical fiber is lowered, the temperature of the optical fiber entering the coating device is ensured to be constant, and the better adhesion effect of the hard coating and the optical fiber is ensured.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural diagram of the novel fiber collecting device;
in the figure: 1. a rod feeding device; 11. performing a rod; 2. a graphite furnace; 3. a diameter gauge; 4. heating furnace; 5. a temperature measuring instrument; 6. a control cabinet; 7. an applicator; 8. coating and curing the device; 9. a fiber collecting device; 91. a guide wheel; 92. a traction wheel; 93. an optical fiber reel; 94. a tension wheel; 10. an optical fiber.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
An optical fiber surface temperature monitoring and control device is shown in figure 1 and comprises a rod feeding device 1, a graphite furnace 2, a diameter measuring instrument 3, a coating device 7, a coating curing device 8 and a fiber collecting device 9 which are arranged from top to bottom in sequence; a heating furnace 4 is arranged above the coating device 7, a temperature measuring instrument 5 is arranged between the coating device 7 and the heating furnace 4, and the temperature measuring instrument 5 measures the surface temperature of the optical fiber which needs to enter the coating device 7; the temperature measuring instrument 5 and the heating furnace 4 are both connected with a control cabinet 6, and the control cabinet 6 controls the heating furnace 4 to increase or decrease the temperature according to data fed back by the temperature measuring instrument 5. The temperature measuring instrument 5 is arranged above the coating device 7, the temperature of the optical fiber 10 before entering the coating device 7 can be measured, if the temperature of the optical fiber 10 is lower, the control cabinet 6 controls the heating furnace 4 to heat up, so that the subsequent optical fiber 10 is heated again, and the temperature stability of the optical fiber 10 entering the coating device 7 is ensured; if the temperature of the optical fiber 10 before entering the coating device 7 is higher, the control cabinet 6 controls the heating furnace 4 to cool down, so that the subsequent optical fiber 10 is cooled down, the temperature of the optical fiber 10 entering the coating device 7 is ensured to be constant, and the better adhesion effect of the hard coating and the optical fiber 10 is ensured.
For better temperature measurement of the optical fiber 10 exiting from the graphite furnace 2, the temperature measuring instrument 5 is arranged 8-12cm above the coating device 7, more specifically, the temperature measuring instrument 5 is arranged 10cm above the coating device 7.
The diameter gauge 3 is set as a laser diameter gauge or an image type diameter gauge.
The thermometer 5 is a non-contact infrared thermometer.
The hard coating is adhered to the optical fiber 10 in the coating device 7 and cured in the coating curing device 8, further, the coating curing device 8 adopts an ultraviolet curing oven, the ultraviolet curing oven irradiates the hard coating through an internal ultraviolet lamp with specific frequency, the fast curing in a short time is realized through a non-contact means, and the cured hard coating has good strength.
As shown in fig. 1 and 2, the fiber collecting device 9 includes two guide wheels 91, two traction wheels 92, and an optical fiber disc 93, wherein a screening wheel is disposed between the two traction wheels 92, and the two traction wheels 92 have the same structure and are disposed symmetrically with respect to the center of the screening wheel. The optical fiber tray 93 is connected with a motor, and drives the optical fiber tray 93 to rotate so as to collect the optical fibers 10. The optical fiber 10 penetrating out of the ultraviolet curing furnace reaches the fiber collecting device 9, is guided by the guide wheel 91, and is drawn to the optical fiber disc 93 by the traction wheel 92, tension wheels 94 are arranged on two sides of the traction wheel 92, a belt for connecting the two tension wheels and a motor for transmitting power are arranged on the tension wheels 94, the belt is attached to the traction wheel 92, when the motor drives the traction optical fiber 10, the optical fiber 10 bypasses between the belt and the traction wheel 92, and the motor drives the traction wheel 92 to rotate, so that the optical fiber 10 is drawn, wound and collected in the optical fiber disc 93.
Before the control cabinet 6 controls the heating furnace 4 to heat up or cool down, the temperature in the heating furnace 4 is unchanged; after the control cabinet 6 controls the heating furnace 4 to heat up or cool down, the temperature in the heating furnace 4 is kept unchanged until the control cabinet 6 controls the heating furnace 4 to heat up or cool down next time.
The device comprises the following specific working steps:
as shown in fig. 1 and 2, the rod feeding device 1 slowly pushes the prepared optical fiber preform 11 into the graphite furnace 2, the optical fiber preform 11 is heated to a molten fluid at a high temperature of 3000 ℃ in the graphite furnace 2, the fluid drops and is drawn by gravity to form an optical fiber 10, the molded optical fiber 10 passes through a diameter gauge 3 downwards, the diameter gauge 3 is used for detecting the outer diameter of the optical fiber 10, and the diameter gauge 3 is a laser diameter gauge or an image type diameter gauge. The optical fiber 10 after diameter measurement passes through the heating furnace 4 downwards, the temperature in the heating furnace 4 is kept constant, the temperature measuring instrument 5 measures the temperature of the surface of the optical fiber 10 penetrating out of the heating furnace 4 and feeds the measured temperature back to the control cabinet 6, the control cabinet 6 compares the measured surface temperature of the optical fiber 10 with the set temperature, and if the surface temperature of the optical fiber 10 is lower than the set temperature, the control cabinet 6 controls the heating furnace 4 to heat the subsequent optical fiber 10; if the surface temperature of the optical fiber 10 is higher than the set temperature, the control cabinet 6 controls the heating furnace 4 to cool down, and the subsequent optical fiber 10 is cooled down; the temperature of the optical fiber 10 is ensured to be stable before entering the coating device 7, and the adhesion effect of the hard coating and the optical fiber 10 is ensured; the optical fiber 10 that has passed out of the heating furnace 4 enters the coating device 7, and is coated on the surface with the coating material in the coating device 7 to form a hard coating layer that protects the surface of the optical fiber 10 from damage. After the hard coating is formed, the optical fiber 10 continues to pass through the coating and curing device 8, and the hard coating is cured in the coating and curing device 8, wherein the coating and curing device 8 adopts an ultraviolet curing furnace, the ultraviolet curing furnace irradiates the hard coating through an internal ultraviolet lamp with specific frequency, the fast curing in a short time is realized through a non-contact means, and the cured hard coating has good strength. The optical fiber 10 passing through the coating and curing device 8 is finally connected to the fiber collecting device 9, and the fiber collecting device 9 applies a traction force to the optical fiber 10, so that the optical fiber 10 can be continuously pulled out from the graphite furnace 2, and sustainable production is realized.
The utility model relates to an optical fiber surface temperature monitoring and control device, which can realize the following technical effects, and is provided with a temperature measuring instrument 5 which can measure the temperature of an optical fiber 10 before entering a coating device 7; the heating furnace 4 is arranged to heat or cool the optical fiber 10 with the temperature lower than the measuring temperature or higher than the measuring temperature; the control cabinet 6 is arranged, and the heating furnace 4 can be automatically controlled to be heated or cooled according to the temperature measured by the temperature measuring instrument 5.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (10)
1. An optical fiber surface temperature monitoring and control device, characterized by: comprises a rod feeding device (1), a graphite furnace (2), a diameter measuring instrument (3), a coating device (7), a coating curing device (8) and a fiber collecting device (9) which are arranged from top to bottom in sequence; a heating furnace (4) is arranged above the coating device (7), a temperature measuring instrument (5) is arranged between the coating device (7) and the heating furnace (4), and the temperature measuring instrument (5) measures the surface temperature of the optical fiber (10) which needs to enter the coating device (7); the temperature measuring instrument (5) and the heating furnace (4) are both connected with a control cabinet (6), and the control cabinet (6) controls the heating furnace (4) to increase and decrease the temperature according to data fed back by the temperature measuring instrument (5).
2. The optical fiber surface temperature monitoring and control device of claim 1, wherein: the temperature measuring instrument (5) is arranged 8-12cm above the coating device (7).
3. The optical fiber surface temperature monitoring and control device of claim 2, wherein: the temperature measuring instrument (5) is arranged 10cm above the coating device (7).
4. The optical fiber surface temperature monitoring and control device of claim 1, wherein: the thermometer (5) is a non-contact infrared thermometer.
5. The optical fiber surface temperature monitoring and control device of claim 1, wherein: the diameter measuring instrument (3) is a laser diameter measuring instrument.
6. The optical fiber surface temperature monitoring and control device of claim 1, wherein: the diameter measuring instrument (3) is an image type diameter measuring instrument.
7. The optical fiber surface temperature monitoring and control device of claim 1, wherein: the coating and curing device (8) is set as an ultraviolet curing furnace.
8. The optical fiber surface temperature monitoring and control device of claim 1, wherein: the fiber collecting device (9) comprises a guide wheel (91), a traction wheel (92) and an optical fiber disc (93).
9. The optical fiber surface temperature monitoring and control device of claim 8, wherein: and tensioning wheels (94) are arranged on two sides of the traction wheel (92).
10. The optical fiber surface temperature monitoring and control device of claim 8, wherein: the optical fiber disc (93) is connected with a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221423287.5U CN217504993U (en) | 2022-06-08 | 2022-06-08 | Optical fiber surface temperature monitoring and controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221423287.5U CN217504993U (en) | 2022-06-08 | 2022-06-08 | Optical fiber surface temperature monitoring and controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217504993U true CN217504993U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221423287.5U Active CN217504993U (en) | 2022-06-08 | 2022-06-08 | Optical fiber surface temperature monitoring and controlling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217504993U (en) |
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2022
- 2022-06-08 CN CN202221423287.5U patent/CN217504993U/en active Active
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