CN104478209B - The device of cooling tube helium consumption is reduced in a kind of optical fiber production process - Google Patents
The device of cooling tube helium consumption is reduced in a kind of optical fiber production process Download PDFInfo
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- CN104478209B CN104478209B CN201410701289.XA CN201410701289A CN104478209B CN 104478209 B CN104478209 B CN 104478209B CN 201410701289 A CN201410701289 A CN 201410701289A CN 104478209 B CN104478209 B CN 104478209B
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- cooling tube
- optical fiber
- production process
- mobile platform
- fiber production
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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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
- C03B37/02718—Thermal treatment of the fibre during the drawing process, e.g. cooling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2205/00—Fibre drawing or extruding details
- C03B2205/50—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket
- C03B2205/51—Cooling the drawn fibre using liquid coolant prior to coating, e.g. indirect cooling via cooling jacket using liquified or cryogenic gas
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal 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)
- Light Guides In General And Applications Therefor (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
A kind of device the present invention relates to reduce cooling tube helium consumption in optical fiber production process, it is connected with cooling tube, including fibre diameter measurement head, mobile platform connecting bracket, the upper connector and flexible pipe of disc-shaped, one end of the flexible pipe is connected with cooling tube, the other end is connected by the upper connector with mobile platform connecting bracket, the mobile platform connecting bracket is affixed with fibre diameter measurement head, hole of the diameter less than cooling bore is provided with the middle part of the upper connector, the signal that the mobile platform connecting bracket receives fibre diameter measurement head produces displacement corresponding with the signal.Have the beneficial effect that：The leakage rate of helium can be reduced, helium is saved；Can ensure without impinging on optical fiber simultaneously, it is ensured that the security in optical fiber production process.
Description
Technical field
The dress of cooling tube helium consumption is reduced the present invention relates to optical fiber production field, more particularly in optical fiber production process
Put.
Background technology
In optical fiber production process, optical fiber from heating furnace out when temperature it is very high, reach mould be coated before, it is necessary to
Optical fiber is cooled down by cooling tube, and helium plays a part of to transmit heat wherein.
When optical fiber is by cooling tube, the heat of optical fiber passes to cooling tube by heat transfer medium -- helium, and cooling tube is passed again
Cooling water is passed, cooling water takes away heat.In the case where cooling water temperature and pipe structure for cooling are certain, amount of helium it is many
Directly affect the efficiency of optical fiber radiating less, amount of helium is sufficient, radiating efficiency is high, temperature when optical fiber reaches die station and mould compared with
It is low, disclosure satisfy that technological requirement；Amount of helium is not enough, and radiating efficiency is low, and temperature during optical fiber arrival die station and mould is higher, meets
Not technological requirement.
As seen from Figure 2, helium is passed through from cooling tube bottom, and cooling tube lower end passes through connector with die station and mould
Connection, the state in sealing, does not have helium leakage；It is in unlimited state that cooling tube is suitable for reading（Opening diameter 10mm）,
Have helium leakage.So in order to ensure to have in cooling tube the helium of abundance, it is necessary to lasting toward being passed through helium in cooling tube.
But in optical fiber production process, optical fiber the position of cooling tube be constantly it is slowly varying, as shown in Figure 3.
Just start optical fiber " original position " in the example shown during production, with the carrying out of production, optical fiber may be displaced to shown in figure
Several " possible positions ".If so reducing cooling tube bore suitable for reading, it is easy to cause optical fiber to be encountered in process of production
The inwall of cooling tube and cause scrapping for optical fiber, dangerous.
Helium is a kind of rare strategic resource, and China uses helium as the long-term dependence on import of Pin Hai states, in recent years enterprise
The cost of gas is also riseing year by year.So it is particularly significant and significant thing to save helium.
The content of the invention
Present invention aim to overcome that the deficiency of above prior art, there is provided a kind of optical fiber life of reduction optical fiber production cost
The device of cooling tube helium consumption is reduced during product, specifically there is following technical scheme to realize：
The device of cooling tube helium consumption is reduced in the optical fiber production process, is connected with cooling tube, including fibre diameter
Measurement head, mobile platform connecting bracket, the upper connector and flexible pipe of disc-shaped, one end of the flexible pipe are connected with cooling tube,
The other end is connected by the upper connector with mobile platform connecting bracket, and the mobile platform connecting bracket is surveyed with fibre diameter
Amount is affixed, and hole of the diameter less than cooling bore, the mobile platform connecting bracket are provided with the middle part of the upper connector
The signal for receiving fibre diameter measurement head produces displacement corresponding with the signal.
The further design of device that cooling tube helium consumption is reduced in the optical fiber production process is, the hole it is interior
Footpath is less than cooling tube radius.
The further design of device that cooling tube helium consumption is reduced in the optical fiber production process is, upper connector with
Mobile platform connecting bracket is flexibly connected.
The further design of the device of reduction cooling tube helium consumption is in the optical fiber production process, the upper connection
Device periphery is provided with the step of annular, and the mobile platform connecting bracket is provided with corresponding with the step with the contact site of connector
Step surface.
The further design of the device of reduction cooling tube helium consumption is in the optical fiber production process, the upper connection
The outer wall of device is 3-5mm with the spacing of mobile platform connecting bracket inwall.
The further design that the device of cooling tube helium consumption is reduced in the optical fiber production process is, also including one
Lower connector, the flexible pipe is connected by the lower connector relative to one end of cooling tube with cooling tube.
The further design of the device of reduction cooling tube helium consumption is in the optical fiber production process, the flexible pipe
Two ends are respectively correspondingly affixed with upper connector, lower connector by a clip.
The further design that the device of cooling tube helium consumption is reduced in the optical fiber production process is, in the clip
Sealing ring is respectively equipped with, realizes that flexible pipe and upper connector, lower connector are tightly connected.
The further design that the device of cooling tube helium consumption is reduced in the optical fiber production process is that the flexible pipe is
Corrugated flexible hose.
The further design of the device of reduction cooling tube helium consumption is in the optical fiber production process, the cooling tube
A diameter of 10mm, a diameter of 3.5-4.5mm in the hole.
Advantages of the present invention is as follows：
The device that cooling tube helium consumption is reduced in the optical fiber production process that the present invention is provided can in optical fiber production process
To reduce the leakage rate of helium, helium is saved；Can ensure without impinging on optical fiber simultaneously, it is ensured that the peace in optical fiber production process
Quan Xing.
Brief description of the drawings
The structural representation of the device of cooling tube helium consumption is reduced in the optical fiber production process that Fig. 1 is provided for the present invention.
The cooling device that Fig. 2 is used by existing optical fiber production field.
Fig. 3 be optical fiber production process in cooling tube position view.
In figure, 1- fibre diameters measurement head 1,2- mobile platform connecting brackets, the upper connectors of 3-, 4- sealing rings, 5- ripples
Flexible pipe, 6- clips, 7- lower connectors, 8- cooling tubes.
Specific embodiment
The present invention program is described in detail below in conjunction with the accompanying drawings.
The device of the helium consumption of cooling tube 8 is reduced in the optical fiber production process that the present embodiment is provided, is connected with cooling tube 8.
The device is mainly made up of fibre diameter measurement head 1, the upper connector 3 of mobile platform connecting bracket 2, disc-shaped and flexible pipe,
Referring to Fig. 1.One end of flexible pipe is connected with cooling tube 8, and the other end is connected by upper connector 3 with mobile platform connecting bracket 2.Move
Moving platform connecting bracket 2 is affixed with fibre diameter measurement head 1.The periphery of upper connector 3 is provided with the step of annular, mobile platform connection
Support 2 is provided with step surface corresponding with step with the contact site of connector.In optical fiber production process, optical fiber passes through fibre diameter
Measurement head 1.Under original state, the axial location of optical fiber is in the center of the axial direction of fibre diameter measurement head 1.Mobile platform branch
Frame is communicated to connect with fibre diameter measurement head 1.This example flexible pipe uses corrugated flexible hose 5.
The middle part of upper connector 3 is provided with hole of the diameter less than the radius of cooling tube 8.In the present embodiment, the Kong Weiyi taper holes,
A diameter of 10mm of cooling tube 8, a diameter of 4mm in hole, as shown in Figure 1.The outer wall of upper connector 3 is connected branch with mobile platform
The spacing of the inwall of frame 2 is 3-5mm.
In order to avoid optical fiber and the edge grazing in above-mentioned hole, the position of the continuous detection fiber of fibre diameter measurement head 1, and
Send the signal with fiber position information.Mobile platform support is produced after the signal that fibre diameter measurement head 1 sends is received
Corresponding with signal displacement, it is ensured that optical fiber navigates within the center of fibre diameter measurement head 1 all the time, with fiber position
Movement and constantly move, and then drive it is upper connector 3 is moved, flexible pipe produces a certain degree of deformation immediately, alleviate, it is ensured that
The safety in production of optical fiber.Sealing is connected through a screw thread between lower connector 7 and cooling tube 8, lower connector 7 does not have with cooling tube 8
There is relative displacement.
While fibre diameter measurement head 1 and upper connector 3 are moved, in order to avoid upper connector 3 directly with cooling
Pipe 8 is affixed and carry rigid power, the present embodiment is additionally arranged corrugated flexible hose 5 and the lower connector 7 being attached thereto, will
Corrugated flexible hose 5 is connected by lower connector 7 with cooling tube 8, has effectively acted as the cushioning effect of power.
On the other hand, the two ends of flexible pipe are respectively correspondingly affixed with upper connector 3, lower connector 7 by a clip 6,
And sealing ring 4 is respectively provided with the corresponding clip 6 realizes that flexible pipe and upper connector 3, lower connector 7 are tightly connected, prevent
Helium produces the phenomenon of waste because of leakage.
Through experiment, in the case where process conditions are certain：The diameter of bore 10mm of cooling tube 8, the length of cooling tube 8
1.2m, quantity 8, by 18 DEG C of the temperature of the cooling water of cooling tube 8, the speed of drawing optical fibers production is 2000m/min, is not increased
When the moral that adds helium saves device：The usage amount of helium is 6L/min in the case of optical fiber steady production, increases helium and saves device
Afterwards：The usage amount of helium is 3L/min in the case of optical fiber steady production.As seen from the above, the device can both reduce helium
The leakage rate of gas, saves helium, also ensure that the security in optical fiber production process.
Claims (7)
1. the device of cooling tube helium consumption is reduced in a kind of optical fiber production process, is connected with cooling tube, it is characterised in that including
Fibre diameter measurement head, mobile platform connecting bracket, the upper connector and flexible pipe of disc-shaped, one end and the cooling of the flexible pipe
Pipe is connected, and the other end is connected by the upper connector with mobile platform connecting bracket, the mobile platform connecting bracket and light
Fine diameter measurement head is affixed, and hole of the diameter less than cooling bore, the mobile platform are provided with the middle part of the upper connector
The signal that connecting bracket receives fibre diameter measurement head produces displacement corresponding with the signal, the device to connect under also including one
Device is connect, the flexible pipe is connected by the lower connector relative to one end of cooling tube with cooling tube, the two ends point of the flexible pipe
It is accordingly not affixed with upper connector, lower connector by a clip, sealing ring is respectively equipped with the clip, realize flexible pipe
It is tightly connected with upper connector, lower connector.
2. the device of cooling tube helium consumption is reduced in optical fiber production process according to claim 1, it is characterised in that described
The internal diameter in hole is less than cooling tube radius.
3. the device of cooling tube helium consumption is reduced in optical fiber production process according to claim 1, it is characterised in that above connected
Device is connect to be flexibly connected with mobile platform connecting bracket.
4. the device of cooling tube helium consumption is reduced in optical fiber production process according to claim 3, it is characterised in that described
Upper connector periphery is provided with the step of annular, and the mobile platform connecting bracket is provided with and the step with the contact site of connector
Corresponding step surface.
5. the device of cooling tube helium consumption is reduced in optical fiber production process according to claim 4, it is characterised in that described
The outer wall of upper connector is 3-5mm with the spacing of mobile platform connecting bracket inwall.
6. the device of cooling tube helium consumption, its feature are reduced in the optical fiber production process according to claim any one of 1-5
It is that the flexible pipe is corrugated flexible hose.
7. the device of cooling tube helium consumption, its feature are reduced in the optical fiber production process according to claim any one of 1-5
It is a diameter of 10mm of the cooling tube, a diameter of 3.5-4.5mm in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701289.XA CN104478209B (en) | 2014-11-28 | 2014-11-28 | The device of cooling tube helium consumption is reduced in a kind of optical fiber production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701289.XA CN104478209B (en) | 2014-11-28 | 2014-11-28 | The device of cooling tube helium consumption is reduced in a kind of optical fiber production process |
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| Publication Number | Publication Date |
|---|---|
| CN104478209A CN104478209A (en) | 2015-04-01 |
| CN104478209B true CN104478209B (en) | 2017-06-16 |
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| CN201410701289.XA Active CN104478209B (en) | 2014-11-28 | 2014-11-28 | The device of cooling tube helium consumption is reduced in a kind of optical fiber production process |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105236732B (en) * | 2015-08-31 | 2017-10-24 | 中天科技光纤有限公司 | A kind of optical fiber drawing cooling system |
| CN105293456A (en) * | 2015-11-24 | 2016-02-03 | 安徽万瑞冷电科技有限公司 | Efficient helium gas recovery apparatus |
| CN112811809B (en) * | 2021-01-14 | 2022-11-25 | 烽火通信科技股份有限公司 | Optical fiber drawing furnace with low helium consumption |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4022131A1 (en) * | 1990-07-11 | 1992-01-16 | Kabelmetal Electro Gmbh | METHOD AND DEVICE FOR DRAWING AN OPTICAL FIBER FROM A SOLID PREFORM |
| JP2003119045A (en) * | 2001-10-12 | 2003-04-23 | Furukawa Electric Co Ltd:The | Method for drawing optical fiber |
| CN201477226U (en) * | 2009-08-31 | 2010-05-19 | 常州南方通信科技有限公司 | Online fiber optical grating manufacturing device |
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| CN104478209A (en) | 2015-04-01 |
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| CB02 | Change of applicant information |
Address after: 210038 No. 76, Xingang Avenue, Nanjing economic and Technological Development Zone, Nanjing, Jiangsu Applicant after: NANJING WASIN FUJIKURA OPTICAL COMMUNICATION LTD. Address before: 210038 No. 76, Xingang Avenue, Nanjing economic and Technological Development Zone, Nanjing, Jiangsu Applicant before: Nanjing Fiberhome Fujikura Optical Communication Ltd. |
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