CN105776840A - Optical fiber perform outer diameter stabilizing device and method based on electric controller - Google Patents
Optical fiber perform outer diameter stabilizing device and method based on electric controller Download PDFInfo
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- CN105776840A CN105776840A CN201610296811.XA CN201610296811A CN105776840A CN 105776840 A CN105776840 A CN 105776840A CN 201610296811 A CN201610296811 A CN 201610296811A CN 105776840 A CN105776840 A CN 105776840A
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- measuring instrument
- laser type
- heating furnace
- electric power
- external diameter
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The invention discloses an optical fiber perform outer diameter stabilizing device and method based on an electric controller and relates to the field of manufacturing optical fiber performs. The device comprises a glass muffle tube for accommodating a glass particle sedimentary body, a heating furnace for heating the glass particle sedimentary body is arranged in the middle of the glass muffle tube, a first laser type outer diameter measuring instrument is arranged above the heating furnace, a second laser type outer diameter measuring instrument is arranged under the heating furnace, the electric controller is arranged on one side of the heating furnace, the electric controller is electrically connected with the heating furnace, the first laser type outer diameter measuring instrument and the second laser type outer diameter measuring instrument are both connected with the electric controller, and the electric controller is used for controlling electric power of the heating furnace. The optical fiber perform outer diameter stabilizing device can stabilize the outer diameter of the heated glass particle sedimentary body, so that the outer diameter of the optical fiber perform in the length direction is also stabilized, and the outer diameter accuracy of an optical fiber is improved.
Description
Technical field
The present invention relates to the manufacture field of preform, be specifically related to external diameter stabilising arrangement and the method for the preform of a kind of electrically-based controller.
Background technology
The manufacture method of optical fiber is usually and first manufactures preform, then at wire-drawing process, preform is pulled into the optical fiber that external diameter is 125 μm.Wire-drawing process also carries out while the external diameter of optical fiber being monitored various control.When changing bigger due to the external diameter of preform length direction, it is impossible to tracing control, result in the external diameter generation large variation of optical fiber.It is therefore desirable to the external diameter variation of preform length direction is little.
The manufacture method of preform is after generally glass granules being deposited, then is heated processing to it, forms transparent vitreous body.Glass microbead deposit is longer drum, is heated when being perpendicular to central axis direction processing.When glass microbead deposit becomes clear glass, due to high-temperature heating, the decrease in viscosity of glass.The temperature stabilization of general heat treated or electrical power stabilization, therefore, when the top of glass microbead deposit is heated, due to reduction and the deadweight of viscosity, preform bar stretching external diameter attenuates, and the external diameter variation resulting in preform length direction is bigger.
Summary of the invention
The invention aims to overcome the deficiency of above-mentioned background technology, external diameter stabilising arrangement and the method for the preform of a kind of electrically-based controller are provided, the external diameter of the glass microbead deposit after can stably heating, therefore the external diameter of preform length direction is also stable, it is possible to increase the outer-diameter accuracy of optical fiber.
The present invention provides the external diameter stabilising arrangement of the preform of a kind of electrically-based controller, this device includes the glass muffle tube for placing glass microbead deposit, the heating furnace for heating glass microbead deposit it is provided with in the middle part of glass muffle tube, described heating furnace be arranged above the first laser type external measuring instrument, heating furnace be installed below the second laser type external measuring instrument, the side of heating furnace is provided with electric power controller, electric power controller electrically connects with heating furnace, first laser type external measuring instrument, second laser type external measuring instrument is all connected with electric power controller, electric power controller is for controlling the electric power of heating furnace.
On the basis of technique scheme, the external diameter measurement to the glass microbead deposit before heating above heating furnace of the described first laser type external measuring instrument, and send the measurements to electric power controller, electric power controller controls, regulates the electric power of heating furnace according to the measurement result of the first laser type external measuring instrument, the external diameter making the glass microbead deposit after heating is stable, and indicates the second laser type external measuring instrument measurement.
On the basis of technique scheme, the external diameter measurement to the glass microbead deposit after heating below heating furnace of the described second laser type external measuring instrument, and send the measurements to electric power controller, whether the external diameter that electric power controller examines the glass microbead deposit after heating according to the measurement result of the second laser type external measuring instrument is stable.
On the basis of technique scheme, described first laser type external measuring instrument is arranged on the surface of heating furnace.
On the basis of technique scheme, within described first laser type external measuring instrument is arranged on the surface 50mm of heating furnace.
On the basis of technique scheme, described second laser type external measuring instrument is arranged on the underface of heating furnace.
On the basis of technique scheme, within described second laser type external measuring instrument is arranged on the underface 50mm of heating furnace.
The present invention also provides for the external diameter antihunt means of the preform of a kind of electrically-based controller being applied to said apparatus, comprises the following steps:
The external diameter measurement to the glass microbead deposit before heating above heating furnace of A, the first laser type external measuring instrument, and send the measurements to electric power controller, electric power controller controls, regulates the electric power of heating furnace according to the measurement result of the first laser type external measuring instrument, the external diameter making the glass microbead deposit after heating is stable, and indicates the second laser type external measuring instrument measurement；
The external diameter measurement to the glass microbead deposit after heating below heating furnace of B, the second laser type external measuring instrument, and send the measurements to electric power controller, whether the external diameter that electric power controller examines the glass microbead deposit after heating according to the measurement result of the second laser type external measuring instrument is stable, if unstable, continue executing with step A, B.
Compared with prior art, advantages of the present invention is as follows:
Electric power controller in the present invention controls, regulates the electric power of heating furnace according to the measurement result of the first laser type external measuring instrument, and the external diameter making the glass microbead deposit before heating is stable；Whether the external diameter that electric power controller examines the glass microbead deposit after heating according to the measurement result of the second laser type external measuring instrument is stable.The present invention can stably heat after the external diameter of glass microbead deposit, therefore the external diameter of preform length direction is also stable, it is possible to increase the outer-diameter accuracy of optical fiber.
Accompanying drawing explanation
Fig. 1 is the structural representation of the external diameter stabilising arrangement of the preform of electrically-based controller in the embodiment of the present invention.
Accompanying drawing labelling: 1-glass muffle tube, 2-glass microbead deposit, 3-the first laser type external measuring instrument, 4-heating furnace, 5-the second laser type external measuring instrument, 6-electric power controller.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Shown in Figure 1, the embodiment of the present invention provides the external diameter stabilising arrangement of the preform of a kind of electrically-based controller, this device includes the glass muffle tube 1 for placing glass microbead deposit 2, the heating furnace 4 for heating glass microbead deposit 2 it is provided with in the middle part of glass muffle tube 1, first laser type external measuring instrument 3 is installed within the surface 50mm of heating furnace 4, second laser type external measuring instrument 5 is installed within the underface 50mm of heating furnace 4, the side of heating furnace 4 is provided with electric power controller 6, electric power controller 6 electrically connects with heating furnace 4, first laser type external measuring instrument 3, second laser type external measuring instrument 5 is all connected with electric power controller 6, electric power controller 6 is for controlling the electric power of heating furnace 4.
The embodiment of the present invention also provides for the external diameter antihunt means of the preform of a kind of electrically-based controller being applied to said apparatus, comprises the following steps:
The external diameter measurement to the glass microbead deposit 2 before heating above heating furnace 4 of A, the first laser type external measuring instrument 3, and send the measurements to electric power controller 6, electric power controller 6 controls, regulates the electric power of heating furnace 4 according to the measurement result of the first laser type external measuring instrument 3, the external diameter making the glass microbead deposit after heating 2 is stable, and indicates the second laser type external measuring instrument 5 to measure；
The external diameter measurement to the glass microbead deposit 2 after heating below heating furnace 4 of B, the second laser type external measuring instrument 5, and send the measurements to electric power controller 6, whether the external diameter that electric power controller 6 examines the glass microbead deposit 2 after heating according to the measurement result of the second laser type external measuring instrument 5 is stable, if unstable, continue executing with step A, B.
The embodiment of the present invention can be carried out various modifications and variations by those skilled in the art, if these amendments and modification are within the scope of the claims in the present invention and equivalent technologies thereof, then these amendments and modification are also within protection scope of the present invention.
The prior art that the content not being described in detail in description is known to the skilled person.
Claims (8)
1. the external diameter stabilising arrangement of the preform of an electrically-based controller, this device includes the glass muffle tube (1) for placing glass microbead deposit (2), glass muffle tube (1) middle part is provided with the heating furnace (4) for heating glass microbead deposit (2), it is characterized in that: described heating furnace (4) be arranged above the first laser type external measuring instrument (3), heating furnace (4) be installed below the second laser type external measuring instrument (5), the side of heating furnace (4) is provided with electric power controller (6), electric power controller (6) electrically connects with heating furnace (4), first laser type external measuring instrument (3), second laser type external measuring instrument (5) is all connected with electric power controller (6), electric power controller (6) is used for controlling the electric power of heating furnace (4).
2. the external diameter stabilising arrangement of the preform of electrically-based controller as claimed in claim 1, it is characterized in that: the external diameter measurement to the glass microbead deposit (2) before the heating of heating furnace (4) top of the described first laser type external measuring instrument (3), and send the measurements to electric power controller (6), electric power controller (6) controls according to the measurement result of the first laser type external measuring instrument (3), regulate the electric power of heating furnace (4), the external diameter making the glass microbead deposit after heating (2) is stable, and indicate the second laser type external measuring instrument (5) measurement.
3. the external diameter stabilising arrangement of the preform of electrically-based controller as claimed in claim 2, it is characterized in that: the external diameter measurement to the glass microbead deposit (2) after the heating of heating furnace (4) lower section of the described second laser type external measuring instrument (5), and send the measurements to electric power controller (6), whether the external diameter that electric power controller (6) examines the glass microbead deposit (2) after heating according to the measurement result of the second laser type external measuring instrument (5) is stable.
4. the external diameter stabilising arrangement of the preform of electrically-based controller as claimed in claim 1, it is characterised in that: described first laser type external measuring instrument (3) is arranged on the surface of heating furnace (4).
5. the external diameter stabilising arrangement of the preform of electrically-based controller as claimed in claim 4, it is characterised in that: within described first laser type external measuring instrument (3) is arranged on the surface 50mm of heating furnace (4).
6. the external diameter stabilising arrangement of the preform of electrically-based controller as claimed in claim 1, it is characterised in that: described second laser type external measuring instrument (5) is arranged on the underface of heating furnace (4).
7. the external diameter stabilising arrangement of the preform of electrically-based controller as claimed in claim 6, it is characterised in that: within described second laser type external measuring instrument (5) is arranged on the underface 50mm of heating furnace (4).
8. the external diameter antihunt means of the preform of the electrically-based controller being applied to device described in claim 1, it is characterised in that comprise the following steps:
The external diameter measurement to the glass microbead deposit (2) before the heating of heating furnace (4) top of A, the first laser type external measuring instrument (3), and send the measurements to electric power controller (6), electric power controller (6) controls, regulates the electric power of heating furnace (4) according to the measurement result of the first laser type external measuring instrument (3), the external diameter making the glass microbead deposit after heating (2) is stable, and indicates the second laser type external measuring instrument (5) measurement；
The external diameter measurement to the glass microbead deposit (2) after the heating of heating furnace (4) lower section of B, the second laser type external measuring instrument (5), and send the measurements to electric power controller (6), whether the external diameter that electric power controller (6) examines the glass microbead deposit (2) after heating according to the measurement result of the second laser type external measuring instrument (5) is stable, if unstable, continue executing with step A, B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296811.XA CN105776840A (en) | 2016-05-06 | 2016-05-06 | Optical fiber perform outer diameter stabilizing device and method based on electric controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610296811.XA CN105776840A (en) | 2016-05-06 | 2016-05-06 | Optical fiber perform outer diameter stabilizing device and method based on electric controller |
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| Publication Number | Publication Date |
|---|---|
| CN105776840A true CN105776840A (en) | 2016-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610296811.XA Pending CN105776840A (en) | 2016-05-06 | 2016-05-06 | Optical fiber perform outer diameter stabilizing device and method based on electric controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821564A (en) * | 2018-07-30 | 2018-11-16 | 浙江富通光纤技术有限公司 | The manufacturing method of preform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61295252A (en) * | 1985-06-21 | 1986-12-26 | Mitsubishi Cable Ind Ltd | Automatic drawing device for parent material for optical fiber |
| JPH05147971A (en) * | 1991-11-27 | 1993-06-15 | Shin Etsu Chem Co Ltd | Method for controlling stretching of glass rod |
| JP2005145765A (en) * | 2003-11-17 | 2005-06-09 | Hitachi Cable Ltd | Method for controlling outer diameter of glass preform and apparatus for drawing glass preform |
| CN1860082A (en) * | 2003-09-30 | 2006-11-08 | 信越化学工业株式会社 | Method for drawing optical fiber preform |
-
2016
- 2016-05-06 CN CN201610296811.XA patent/CN105776840A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61295252A (en) * | 1985-06-21 | 1986-12-26 | Mitsubishi Cable Ind Ltd | Automatic drawing device for parent material for optical fiber |
| JPH05147971A (en) * | 1991-11-27 | 1993-06-15 | Shin Etsu Chem Co Ltd | Method for controlling stretching of glass rod |
| CN1860082A (en) * | 2003-09-30 | 2006-11-08 | 信越化学工业株式会社 | Method for drawing optical fiber preform |
| JP2005145765A (en) * | 2003-11-17 | 2005-06-09 | Hitachi Cable Ltd | Method for controlling outer diameter of glass preform and apparatus for drawing glass preform |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821564A (en) * | 2018-07-30 | 2018-11-16 | 浙江富通光纤技术有限公司 | The manufacturing method of preform |
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Application publication date: 20160720 |