CN104764541B - A kind of production equipment of microspur distributed optical fiber temperature measurement sensor - Google Patents
A kind of production equipment of microspur distributed optical fiber temperature measurement sensor Download PDFInfo
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- CN104764541B CN104764541B CN201510170655.8A CN201510170655A CN104764541B CN 104764541 B CN104764541 B CN 104764541B CN 201510170655 A CN201510170655 A CN 201510170655A CN 104764541 B CN104764541 B CN 104764541B
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- optical fiber
- stepper motor
- stent
- lead screw
- guide rails
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 42
- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 241000239290 Araneae Species 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 24
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000004804 winding Methods 0.000 abstract description 4
- 230000001902 propagating effect Effects 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 9
- 238000001125 extrusion Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
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- 239000010935 stainless steel Substances 0.000 description 1
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- 230000003319 supportive effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses the production equipment and production method of a kind of microspur distributed optical fiber temperature measurement sensor for belonging to optical fiber producing apparatus scope.The production equipment of microspur distributed optical fiber temperature measurement sensor is mainly made of stent, rotation axis, guide rail leading screw, two stepper motors and light pricker disk；Rotation axis and the first stepper motor are installed on the upper strata of stent；Lead screw guide rails and the second stepper motor are fixed on the base of lower floor；Light pricker disk is fixed together by fixing bracket and sliding block；Then light pricker disk along guide rail leading screw does linear uniform motion with sliding block.The production of microspur distributed optical fiber temperature measurement sensor drives plug to rotate by the first stepper motor, while the second stepper motor makes fiber reel horizontal movement, you can by Optical Fiber Winding to plug.The present invention is a kind of distributed, continuous optical fiber temperature sensor technology using optical fiber as the media for detecting and propagating temperature signal, and spatial resolution can improve 400 times.For pouring mass concrete engineering, it can reflect the distribution perpendicular to cooling water pipe direction temperature gradient comprehensively, temperature measurement accuracy is high.
Description
Technical field
The invention belongs to optical fiber producing apparatus scope, more particularly to a kind of production of microspur distributed optical fiber temperature measurement sensor
Equipment and production method.
Background technology
Mass concrete must be often poured in hydraulic engineering, the internal heat of hydration is difficult to distribute, and causes temperature to raise.It is common cold
But water pipe, by water, the snakelike movement in pipe, realizes concrete cooling.Cooling water pipe is nearby there are temperature drop field, away from water pipe nearby
Temperature is low, and distant place temperature is high.The speed of water flowing speed, determines the size of temperature drop field gradient, and too conference causes concrete to split
Seam, the too small requirement that can be reduced efficiency, not reach cooling.
The prior art can not realize the measurement of vertical water pipe direction temperature gradient.Common temperature sensor, its conducting wire draw
Line can fail temperature field.The measurement distance of Bragg grating only has tens centimeters, and measuring point is used in series less than ten, and adjacent two
The spacing of a Bragg grating is restricted.Distributed optical fiber temperature measurement, the time interval that electronic component is converted into electric signal reduce
Spatial accuracy, one meter of only measuring point, can not reflect the change of temperature gradient.
The present invention is based on distributed optical fiber temperature measurement technology, by technique improvement, improves spatial resolution.Distribution type fiber-optic is surveyed
Temperature technique, is a kind of distributed, continuous, functional fiber temperature using optical fiber as the media for detecting and propagating temperature signal
Sensing technology.Laser pulse is propagated in a fiber, and with optical fiber interaction of molecules, the scattering of diversified forms occurs.Utilize Raman
Scattering, luminous energy are converted into thermal vibration, will send a light longer than optical source wavelength；Thermal vibration is converted into luminous energy, will send
One light shorter than optical source wavelength.The offset of wavelength determines by the fixed attribute of optical fiber component, therefore Raman diffused light
Intensity is related with temperature, using this this relation, realizes optical fiber temperature-measurement.It will not fail temperature field, measurement length it is unrestricted, can
To survey the temperature in tens kilometer ranges.Shortcoming is that spatial distribution rate is low, and one meter can only obtain a temperature spot.
This research based on Fiber Optic Pyrometer, develops neither fail temperature field, and can measure intensive temperature in a distributed manner
Degree point, spatial resolution can be brought up to two millimeters of acquisitions, one temperature spot, distance resolution is improved more than 400 times.
The content of the invention
The object of the present invention is to provide a kind of production equipment and production method of microspur distributed optical fiber temperature measurement sensor, its
It is characterized in that, the production equipment of microspur distributed optical fiber temperature measurement sensor is mainly by stent, rotation axis, lead screw guide rails, two steps
Stepper motor and light pricker disk are formed；
The stent is formed by upper and lower two layers, wherein, upper strata is rotating part, and the four columns of stent 5 are fixed on two
On horizontal pillow 8, every horizontal pillow is supported by the bottom support bracket 9 of two；In the rectangle frame center of stent 5 installation 3 rotation axis 3 of rotation axis
One end is connected by shaft joint and the first stepper motor 1, and the other end of rotation axis 3 is fixed on the rectangular of stent 5 by bearing spider
On frame；Lower floor is translation part, in two 9 middle part firm bankings 15 of horizontal pillow, lead screw guide rails 11 is fixed on base 15, in base
15 left end fixes the second stepper motor 2；One end of lead screw guide rails 11 is connected by shaft joint and the second stepper motor 2, leading screw
On the other end spring bearing support plate 8 of guide rail 11；Sliding block 13 is embedded in lead screw guide rails 11 by screw thread, and by the second stepper motor
2 drive the at the uniform velocity pivoting of lead screw guide rails 11, and sliding block 13 does linear uniform motion along lead screw guide rails 11；
The smooth pricker disk is to fix block plate 14 around 6 both ends of light pricker mandrel, and is supported on light pricker disk support column 7, light pricker
Disk support column 7 is fixed on light pricker and tries to get to the heart of a matter on plate 12；Try to get to the heart of a matter plate 12 and sliding block 13 of light pricker is fixed and formed；Then light pricker disk is with sliding block 13
Linear uniform motion is done along lead screw guide rails 11.
First stepper motor, 1 and second stepper motor 2 is in same perpendicular.
The rotation axis is steel pipe.
The stent, base, light pricker try to get to the heart of a matter plate and light pricker disk support column is made of aluminium alloy extrusions.
A kind of production method of microspur distributed optical fiber temperature measurement sensor, it is characterised in that comprise the following steps：
(1) production equipment of optical fiber temperature measuring sensor is installed, bottom support bracket height is adjusted, makes even in the ground of out-of-flatness
On still can keep the stabilization, reliable of integral support operating surface；
(2) by mandrel outer set on the rotating shaft, the position relationship of reasonably combined plug and fiber reel；
(3) one end of optical fiber head and plug is fixed；
(4) while start the first stepper motor 1 and the second stepper motor 2, plug and fiber reel is synchronously driven；
(5) rate travel of plug and fiber reel is matched.
The plug uses pvc pipe.
First stepper motor 1 drives plug to rotate, while the second stepper motor 2 makes fiber reel horizontal movement, will
Optical Fiber Winding is on plug.
The rate travel of step (5) the matching plug and fiber reel determines the first stepper motor 1 and the second stepping electricity
The speed ratio of machine 2 is as follows：
First stepper motor, 1 rotating speed is n1, 2 rotating speed of the second stepper motor is n2, run time t is equal：Taken off from roll of optical fiber
The fiber lengths to get off, which are equal to, twines the fiber lengths onto pvc pipe, the outside diameter d of PVC plugs1, lead screw guide rails outside diameter d2, optical fiber twines
Around pitch h1, leading screw pitch h2, then have：n1×t×h1=n2×t×h2Obtain n1/n2=h2/h1。
The beneficial effects of the invention are as follows the present invention to be based on distributed optical fiber temperature measurement technology, by technique improvement, improves space
Resolution ratio.Distributed optical fiber temperature measurement technology, using optical fiber as the media for detecting and propagating temperature signal, is that one kind is distributed, connects
Continuous, functional fiber temperature sensor technology, for pouring mass concrete engineering, can reflect the change of temperature gradient comprehensively
Change, temperature measurement accuracy is high.
Brief description of the drawings
Fig. 1 is the production equipment structure diagram of microspur distributed optical fiber temperature measurement sensor.
Embodiment
The present invention provides a kind of production equipment and production method of microspur distributed optical fiber temperature measurement sensor, with reference to attached
Figure is explained.
Fig. 1 show the production equipment structure diagram of microspur distributed optical fiber temperature measurement sensor.The microspur distribution light
The production equipment of fine temperature transducer is mainly made of stent, rotation axis, lead screw guide rails, two stepper motors and light pricker disk；Figure
In, stent is formed by upper and lower two layers, wherein, upper strata is rotating part, and the four columns of stent 5 are fixed on two horizontal pillows 8, often
The horizontal pillow of bar is supported by the bottom support bracket 9 of two；In the rectangle frame center of stent 5 installation rotation axis 3 (rotation axis is steel pipe), rotate
One end of axis 3 is connected by shaft joint and the first stepper motor 1, and the other end of rotation axis 3 is fixed on stent 5 by bearing spider
In rectangle frame.Lower floor is translation part, and in two 9 middle part firm bankings 15 of horizontal pillow, lead screw guide rails 11 are fixed on base 15,
The left end of base 15 fixes the second stepper motor 2；One end of lead screw guide rails 11 is solid by shaft joint and the second stepper motor 2
Even, on the other end spring bearing support plate 8 of lead screw guide rails 11；Sliding block 13 by screw thread in the lead screw guide rails 11, during work,
The at the uniform velocity pivoting of lead screw guide rails 11 is driven by the second stepper motor 2, sliding block 13 does linear uniform motion along lead screw guide rails 11；
Then light pricker disk along lead screw guide rails 11 does linear uniform motion with sliding block 13.Wherein the first stepper motor 1 and the second stepping electricity
Machine 2 is in same perpendicular.
The smooth pricker disk is to fix block plate 14 around 6 both ends of light pricker mandrel, and is supported on light pricker disk support column 7, light pricker
Disk support column 7 is fixed on light pricker and tries to get to the heart of a matter on plate 12；Try to get to the heart of a matter plate 12 and sliding block 13 of light pricker is fixed and formed；The stent, base, light pricker
Try to get to the heart of a matter plate and light pricker disk support column is made of aluminium alloy extrusions.
A kind of production method of microspur distributed optical fiber temperature measurement sensor, it is characterised in that comprise the following steps：
(1) production equipment of optical fiber temperature measuring sensor is installed, bottom support bracket height is adjusted, makes even in the ground of out-of-flatness
On still can keep the stabilization, reliable of integral support operating surface；
(2) by mandrel outer set on the rotating shaft, plug uses pvc pipe.It is sleeved on outside pvc pipe in metal (steel pipe) rotation axis,
And fixed with rotation axis, follow shaft to rotate together.Metal rotating shaft is in addition to driving tubing, also as the interior of support pvc pipe
Core, prevents its stress from bending；The position relationship of reasonably combined plug and fiber reel；
(3) one end of optical fiber head and plug is fixed；
(4) while start the first stepper motor 1 and the second stepper motor 2, plug and fiber reel is synchronously driven；
(5) rate travel of plug and fiber reel is matched.
First stepper motor 1 drives plug to rotate, while the second stepper motor 2 makes fiber reel horizontal movement, will
Optical Fiber Winding is on plug.
The rate travel of step (5) the matching plug and fiber reel determines the first stepper motor 1 and the second stepping electricity
The speed ratio of machine 2 is as follows：
First stepper motor, 1 rotating speed is n1, 2 rotating speed of the second stepper motor is n2, run time t is equal：Taken off from roll of optical fiber
The fiber lengths to get off, which are equal to, twines the fiber lengths onto pvc pipe, the outside diameter d of PVC plugs1, lead screw guide rails outside diameter d2, optical fiber twines
Around pitch h1, leading screw pitch h2, then have：
n1×t×h1=n2×t×h2Obtain n1/n2=h2/h1
If the outside diameter d for the PVC plugs that the first stepper motor 1 is driven1=33mm；The silk that second stepper motor 2 is driven
Thick stick guide rail outside diameter d2=20mm；Optical Fiber Winding pitch h1=5mm, optical fiber is away from h2≈ 0.25mm (close fiber optic wind, therefore optical fiber away from
That is fibre diameter), it is calculated：
n1/n2=(h1×d2)/(h2×d1)=0.25/5=1/20.
Wherein, lead screw guide rails are fixed on the base 15 of aluminium alloy extrusions, are on the one hand played a supportive role, and reduce lead screw guide rails
Because of the bending that self gravitation effect produces, avoid causing damage to precision；On the other hand device chassis weight is also increased, is improved steady
It is qualitative.Since whole device is narrow and high, the horizontal pillow of base lower part, considerably increases overall stability.The branch of four feet of horizontal pillow
Seat is height-adjustable so that still can keep the stabilization in instrumentation face even in the ground of out-of-flatness.
| Part | Material | Section specification/mm | Appearance and size/mm |
| Metal shaft | Stainless steel | φ20 | 1300 |
| Stent | Aluminium alloy extrusions | 40×40 | 1220×380×540 |
| Lead screw guide rails | Mild steel | φ20 | 900 (walking journey) |
| Base | Aluminium alloy extrusions | 40×120 | 1200 |
| Horizontal pillow | Aluminium alloy extrusions | 40×120 | 600 |
Fiber reel fixing bracket is fixed on bracket base by two fiber optic coils stents by screw connection.Opened on stent
Hole loads dismountable ball bearing, is pulled down coil axis of the frame between stent to change new coil, whole device with facilitating
After assembling, by four screw holes and the sliding block screw connection in lead screw guide rails of base lower part, whole mechanical part is completed
Assembling.
| Part | Material | Size/mm | Other data/mm |
| Bracket base | Aluminium alloy | 170×70×10 | Screw hole 50 × 30 |
| Fiber optic coils stent | Aluminium alloy | 145×50×10 | Bore size Φ 26 |
| Coil axis | Aluminium alloy | 170 | Shaft size Φ 10 |
The present invention uses stepper motor, and as driver, the controllor for step-by-step motor of use is that one kind can send uniform arteries and veins
The electronic product of signal is rushed, after the signal that it sends enters stepper motor driver, stepper motor institute can be converted into by driver
The heavy current signal needed, drives stepper motor operating.Controllor for step-by-step motor can accurately control stepper motor to turn over often
One angle.Stepper motor is the opened loop control member stepper motor part that electric impulse signal is changed into angular displacement or displacement of the lines.Electricity
The rotating speed of machine, the position stopped being solely dependent upon the frequency and umber of pulse of pulse signal, and from the influence of load change, work as stepping
As soon as driver receives a pulse signal, its Driving Stepping Motor rotates a fixed angle by the direction of setting, is known as
" step angle ", its rotation are run step by step with fixed angle.Can be by controlling pulse number come pilot angle position
Shifting amount, so as to achieve the purpose that accurate positionin；It can control the speed that motor rotates by controlling pulse frequency at the same time and add
Speed, so as to achieve the purpose that speed governing.
Claims (1)
1. a kind of production equipment of microspur distributed optical fiber temperature measurement sensor, the production of microspur distributed optical fiber temperature measurement sensor are set
It is standby to be mainly made of stent, rotation axis, lead screw guide rails, two stepper motors and light pricker disk；It is characterized in that,
The stent is formed by upper and lower two layers, wherein, upper strata is rotating part, and the four columns of stent (5) are fixed on two horizontal strokes
Rest the head on (9), every horizontal pillow is supported by two root bottom part bearings (10)；In the rectangle frame center of stent (5) installation rotation axis (3), turn
One end of moving axis (3) is connected by shaft joint and the first stepper motor (1), and the other end of rotation axis (3) is fixed by bearing spider
In the rectangle frame of stent (5)；
Lower floor is translation part, and the firm banking (15) in the middle part of two horizontal pillows (9), lead screw guide rails are fixed on base (15)
(11), the second stepper motor (2) is fixed in the left end of base (15)；One end of lead screw guide rails (11) passes through shaft joint and second step
Stepper motor (2) is connected, and the other end of lead screw guide rails (11) is supported on bearing support plate (8)；Sliding block (13) is embedded in silk by screw thread
On thick stick guide rail (11), and lead screw guide rails (11) at the uniform velocity pivoting is driven by the second stepper motor (2), sliding block (13) is along leading screw
Guide rail (11) does linear uniform motion；First stepper motor (1) is with the second stepper motor (2) in same perpendicular；
The smooth pricker disk is the fixation block plate (14) around light pricker mandrel (6) both ends, and is supported on light pricker disk support column (7), light
Pricker disk support column (7) is fixed on light pricker and tries to get to the heart of a matter on plate (12)；Light pricker is tried to get to the heart of a matter, and plate (12) and sliding block (13) are fixed to be formed；Then light pricker disk
As sliding block (13) along lead screw guide rails (11) does linear uniform motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510170655.8A CN104764541B (en) | 2015-04-10 | 2015-04-10 | A kind of production equipment of microspur distributed optical fiber temperature measurement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170655.8A CN104764541B (en) | 2015-04-10 | 2015-04-10 | A kind of production equipment of microspur distributed optical fiber temperature measurement sensor |
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| CN104764541A CN104764541A (en) | 2015-07-08 |
| CN104764541B true CN104764541B (en) | 2018-04-20 |
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| CN110255301B (en) * | 2019-05-05 | 2020-11-10 | 东莞理工学院 | Distributed optical fiber sensing BFRP intelligent rib production device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108873A (en) * | 1984-12-17 | 1986-06-10 | 卡维·皮雷利公司 | Be used to make the method and the production line of the ordinary optical fiber cable that has the open helix grooves cable core |
| CN201334273Y (en) * | 2008-09-11 | 2009-10-28 | 上海欧达电气成套设备工程有限公司 | Fiber ribbon take-up and winding device |
| CN203976141U (en) * | 2014-07-17 | 2014-12-03 | 洛阳名特设备技术有限公司 | A kind of textile rope wind |
-
2015
- 2015-04-10 CN CN201510170655.8A patent/CN104764541B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85108873A (en) * | 1984-12-17 | 1986-06-10 | 卡维·皮雷利公司 | Be used to make the method and the production line of the ordinary optical fiber cable that has the open helix grooves cable core |
| US4620412A (en) * | 1984-12-17 | 1986-11-04 | Societa Cavi Pirelli S.P.A. | Process and apparatus for inserting optical fibers in helical grooves of a cable core |
| CN201334273Y (en) * | 2008-09-11 | 2009-10-28 | 上海欧达电气成套设备工程有限公司 | Fiber ribbon take-up and winding device |
| CN203976141U (en) * | 2014-07-17 | 2014-12-03 | 洛阳名特设备技术有限公司 | A kind of textile rope wind |
Non-Patent Citations (1)
| Title |
|---|
| 光纤绕线机精密控制系统的研究;赵晋洪;《中国优秀博硕士学位论文全文数据库（硕士） 信息科技辑》;20050615;第27、28页 * |
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