CN110174526A - A kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and detection method - Google Patents
A kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and detection method Download PDFInfo
- Publication number
- CN110174526A CN110174526A CN201910583231.2A CN201910583231A CN110174526A CN 110174526 A CN110174526 A CN 110174526A CN 201910583231 A CN201910583231 A CN 201910583231A CN 110174526 A CN110174526 A CN 110174526A
- Authority
- CN
- China
- Prior art keywords
- wind speed
- hot type
- wind direction
- sensor
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 78
- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 7
- 239000013598 vector Substances 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 31
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 239000000919 ceramic Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 229910001120 nichrome Inorganic materials 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000001259 photo etching Methods 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000000691 measurement method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000005292 diamagnetic effect Effects 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 241001416181 Axis axis Species 0.000 description 1
- 241000234314 Zingiber Species 0.000 description 1
- 235000006886 Zingiber officinale Nutrition 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008542 feiji Substances 0.000 description 1
- 235000008397 ginger Nutrition 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000382 optic material Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The invention discloses a kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and measurement methods.Sensor includes: pedestal, the main stay tube connecting with base engagement 21, the support tube 22 with main stay tube 21 is cooperatively connected in the same direction, the support tube 23 being cooperatively connected vertical with main stay tube 21, the plane hot type fiber grating wind speed wind direction sensor for being separately mounted to the end of support tube 22 and 23, the fiber grating environment temperature sensor being vertically mounted on support tube 22 or 23；Each hot type fiber wind speed wind transducer is made of a resistive heater and four fiber grating temperature sensors.Detection method is that each hot type fiber wind speed wind transducer can measure the wind direction and wind speed of plane parallel with it, then obtain tri-dimensional wind speed wind direction by wind direction Vector modulation and data processing.The present invention has good corrosion-resistant, electromagnetism interference, the characteristic that environment temperature drift effect is weak, measurement accuracy is high and measuring wind speed range is wide, is applicable to the more severe measurement environment of operating condition.
Description
Technical field
The present invention relates to the tri-dimensional wind speed wind direction sensor in sensor field, in particular to a kind of hot type optical fiber three-dimensional wind
Fast wind transducer and detection method.
Background technique
Wind is a kind of very universal natural phenomena, closely related with people's lives, and the inspection for wind speed and direction
It surveys and suffers from highly important meaning in numerous areas such as industrial and agricultural production, communications and transportation, energy development and weather forecasts；At present
Two-D wind speed wind direction is limited to more to the research of wind speed wind direction sensor；In the natural environment, wind is since the movement of air generates
Air-flow, the speed of wind is a three-dimensional space vectors；It is less to the research report of tri-dimensional wind speed wind direction.
Shanghai second Industry Univ in 2010 it is old into et al. propose a kind of there is specific hexahedron structure and 6 unidirectional wind speed
The three-dimensional velocity sensor of sensor composition, realizes the detection to tri-dimensional wind speed wind direction, but specific six sided structures make it is whole
A air velocity transducer structure is excessively complicated.
Harbin University of Science and Technology ginger ancestor pool proposes a kind of three-dimensional fiber grating wind speed wind direction sensor within 2018；When wind is arrived
On wind deflector, wind deflector stress supports rod bending, by detection due to support rod bending bring fibre-optical bending strain, respectively
Detect the wind speed size in X, Y, Z axis, Vector modulation wind speed size and three-dimensional wind direction；Structure has 3 support rods and 3 keep out the wind
Plate, structure can still advanced optimize.
Application number CN201510883889.7 discloses a kind of exchange self-heating type wind speed wind direction sensor and its measurement side
Method, if chief component is usually the perception temperature difference by a heater element and 4 orthogonal arrangements around heater element
Semiconductor thermocouple constitute；The hot type air velocity transducer can be used for detecting the wind speed and direction of two-dimentional wind, but its thermometric
Element is influenced usually using thermocouple vulnerable to environmental magnetic field.
With the instrument that hot type anemobiagraph prepared by hot type measuring principle is for measuring air velocity, because its measurement is accurate
Spend it is high, easy to use, measurement range is wide, high sensitivity and be widely used；Hot type anemobiagraph mostly uses temperature detecting resistance or thermoelectricity
It is even to be used as temperature element, there is being interfered vulnerable to environmental magnetic field, so that sensor reduces the measurement accuracy of wind speed and direction.
Compared with traditional thermometric original part, fiber grating temperature sensor has that high reliablity, anticorrosive, anti-electromagnetism is dry
Disturb, high sensitivity the features such as, be suitble to work in harsh environment.
It is retrieved by open source information as it can be seen that belonging to hot type air velocity transducer using temperature element is arranged around adding thermal resistance
Universal method, but use fiber grating temperature sensor as temperature element for improve air velocity transducer corrosion resistance,
Electromagnetism interference simultaneously there is highly sensitive wind speed wind direction sensor to have not been reported.
Summary of the invention
Object of the present invention is to propose a kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and measurement method, mutually using two
The hot type wind speed wind direction sensor of vertical distribution is converted into the measurement problem to tri-dimensional wind speed wind direction to be mutually perpendicular to two
The measurement problem of the wind speed and direction of plane obtains the tri-dimensional wind speed wind direction of environment to be measured by the method for Vector modulation；Benefit simultaneously
With fiber grating temperature sensor there are the characteristics such as high reliablity, anticorrosive, electromagnetism interference to solve existing hot type wind speed sensing
The problems such as diamagnetic effect of device is poor, and the service life is shorter in the presence of a harsh environment reaches hot type wind speed wind direction sensor with diamagnetic effect
Fruit, the purpose for improving detection accuracy and prolonging the service life.
The technical solution adopted by the present invention is that: a kind of hot type optical fiber tri-dimensional wind speed wind direction sensor, comprising: pedestal, support
3, bar, hot type fiber grating air velocity transducer 2,1 environment temperature sensor.
Further, 3 support rods are with a wherein pile foundation support rod, and in addition two support bar groups are at a kind of mutual
Vertical structure, plane normal respectively correspond X in space coordinates, and Y, (attached drawing selects Y-axis and Z to any two reference axis of Z axis
Axis), and the material of the support rod is the one or more of glass, ceramics, plastics, iron, aluminium, copper and its alloy.
Further, the hot type fiber grating air velocity transducer is mounted on two Gen Feiji by way of inlaying or being bonded
On the end face of plinth support rod.
Further, the hot type fiber grating air velocity transducer is mainly by 1 substrate, 1 resistive heater and 4 light
Fine grating temperature sensor composition；And there are other two kinds of specific structures.
Further, the environment temperature sensor is installed therein one and wherein (selects installation in attached drawing on support rod
On a non-basic support rod).
Further, pass through the temperature of detection circuit real-time monitoring resistive heater, contrast_environment temperature sensor measurement
The environment temperature arrived is automatically adjusted by the voltage to resistive heater, it is ensured that resistive heater temperature and environment temperature
Difference is kept constant；Inhibit the wave length shift of optical fiber under the conditions of varying environment temperature with this.
Further, the environment temperature sensor is placed in one thin set and carries out unilateral fixation, and what is carefully covered is straight
Diameter is 0.5-5mm；Thin cover material is ceramics, stainless steel, glass, plastics, aluminium, iron, copper and its alloy.
Further, the substrate be monocrystalline silicon, silicide, glass, ceramics it is a certain or several by different order
Superposition；Substrate thickness is 0.1-1.0mm.
Further, the resistance wire is formed by techniques such as sputtering, plated film, photoetching, etchings in substrate surface；Its material
For one kind of platinum, tungsten, copper, nichrome, Aludirome；Resistive heater heart position in the substrate, and route is circular row
Cloth, arrangement diameter are 1-10mm.
Further, the fiber grating temperature sensor is fixed using the method for unilateral bonding；The bonding of use
Glue is inorganic ceramic glue.
Further, the fiber grating temperature sensor uses Bragg grating optical fiber；Fiber lengths are 2.5-20mm,
Fiber cross-sections diameter is 0.06-0.125mm；4 fiber grating temperature sensor orthogonal arrangements are divided around resistive heater
Spacing not identical as resistance wire holding, spacing 1-10mm.
Further, the wavelength monitoring region of the fiber grating temperature sensor is the intermediate region of fiber grating；4
Fiber grating temperature sensor uses same specification process, and original wavelength is equal.
Further, windward side or leeward side of the fiber grating temperature sensor in substrate.
The invention also discloses a kind of speed and wind direction measuring method for wind of hot type optical fiber tri-dimensional wind speed wind direction sensor, including with
Lower step:
Hot type optical fiber tri-dimensional wind speed wind direction sensor is placed in a period of time in band measurement environment, detects two support boom ends
Fiber grating wind speed wind direction sensor, until the central wavelength in the wavelength monitoring region of fibre optical sensor reaches steady in sensor
It is fixed；
By detecting the drift value of two groups of obtained (every group 4) fiber grating temperature sensor central wavelength, to two groups of drifts
Value carries out data processing respectively, obtains the real-time wind speed and direction of two two support rod end surfaces；
Two are mutually perpendicular to the wind direction of plane as obtained in step 2), go out to measure the space wind direction of environment through Vector modulation, i.e.,
Determine three-dimensional wind direction；
The three-dimensional wind direction obtained by step 3) compares the angle of two measuring wind speed planes of space wind direction tangent line and step 3),
The lesser one group of measuring wind speed value of angle in wherein wind direction tangent line and two measuring wind speed planes is selected to carry out data processing, in conjunction with wind
Speed is lost with wind speed of the measurement plane under different angle, finally obtains the three-dimensional velocity value of measurement environment.
Beneficial effects of the present invention:
(1) present invention will resolve into the two-D wind speed wind direction for being mutually perpendicular to plane to two for the detection of tri-dimensional wind speed wind direction
The detection to tri-dimensional wind speed wind direction, the structure for the three-dimensional velocity sensor being further simplified are realized in detection；
(2) present invention determines existing heat with characterisitic solutions such as fiber optic materials high reliablity, anticorrosive, electromagnetism interference, sensitivity height
The problems such as diamagnetic effect of formula air velocity transducer is poor, and the service life is shorter in the presence of a harsh environment has hot type wind speed wind direction sensor
Good diamagnetic effect, and the purpose for improving detection accuracy and prolonging the service life.
(3) environment temperature can be compared by the present invention with resistive heater temperature in real time, by resistive heater electricity
Pressure automatically adjusts, it is ensured that resistive heater temperature is kept constant with environment temperature difference, inhibits environment temperature well
Drifting problem, so that air velocity transducer has preferable signal accuracy and biggish measuring wind speed range.
Detailed description of the invention
The advantages of above-mentioned and/or additional aspect of the invention, will be apparent from the description of the embodiment in conjunction with the following figures
Be readily appreciated that, in which:
Fig. 1 is a kind of front view of hot type optical fiber tri-dimensional wind speed wind direction sensor；
Fig. 2 is environment temperature sensor detail view in attached drawing 1；
Fig. 3 is the plan view of hot type fiber grating wind speed wind direction sensor in embodiment 1；
Fig. 4 is the sectional view of hot type fiber grating wind speed wind direction sensor in embodiment 1；
Fig. 5 is the plan view of hot type fiber grating wind speed wind direction sensor in embodiment 2；
Fig. 6 is the sectional view of hot type fiber grating wind speed wind direction sensor in embodiment 2；
Fig. 7 is the plan view of hot type fiber grating wind speed wind direction sensor in embodiment 3；
Fig. 8 is the sectional view of hot type fiber grating wind speed wind direction sensor in embodiment 3；
Fig. 9 is the resistive heater layout viewing of hot type fiber grating wind speed wind direction sensor；
Wherein corresponding relationship of the Fig. 1 into Fig. 8 between appended drawing reference and component names are as follows:
1, pedestal；2, support rod；3, hot type fiber grating wind speed wind direction sensor；4, environment temperature sensor；5, thin set；6, it serves as a contrast
Bottom；7, resistive heater；8, fibre optic temperature sensor；9, bonded adhesives；10, thermal insulation layer；11, substrate table；12；Resistance wire protection
Layer.
Specific embodiment
Below in conjunction with specific embodiment 1-3 the present invention is described in detail；It should be noted that described in following embodiments
The combination of technical characteristic or technical characteristic is not construed as isolated, they can be combined with each other to reaching more preferable
Technical effect.
Embodiment 1
The embodiment of the present invention 1 is described in conjunction with Fig. 1-4: a kind of hot type optical fiber tri-dimensional wind speed wind direction sensor, comprising: pedestal 1,3
The environment temperature sensor 4 of hot type fiber grating air velocity transducer 3,1 of a support rod 2,2.
In embodiment 1,3 support rods 2 are with a wherein pile foundation support rod 22, in addition two support rods (23/
23) a kind of orthogonal structure is formed, plane normal respectively corresponds X in space coordinates, Y, any two reference axis of Z axis
(attached drawing selects Y-axis and Z axis), and the material of the support rod 2 is one kind of glass, ceramics, plastics, iron, aluminium, copper and its alloy
Or it is several.
In embodiment 1, the hot type fiber grating air velocity transducer 3 is mounted on two by way of inlaying or being bonded
On the end face of non-basic support rod (22/23).
In embodiment 1, environment temperature sensor 4 is installed therein one and wherein (selects installation in attached drawing on support rod 2
On a non-basic support rod (22/23)).
In embodiment 1, environment temperature sensor 4 is placed in one thin set 5 and carries out unilateral fixation, thin set 5
Diameter is 0.5-5mm；5 materials of thin set are ceramics, stainless steel, glass, plastics, aluminium, iron, copper and its alloy.
In embodiment 1, hot type fiber grating air velocity transducer 3 is mainly by 1 substrate, 6,1 resistive heater 7 and 4
Fiber grating temperature sensor 8 forms；And there are other two kinds of specific structures.
In embodiment 1, substrate 6 be monocrystalline silicon, silicide, glass, ceramics it is a certain or several by different order
Superposition；Substrate 6 is with a thickness of 0.1-1.0mm.
In embodiment 1, the resistive heater 7 is by techniques such as sputtering, plated film, photoetching, etchings in 6 surface shape of substrate
At；Its material is one kind of platinum, tungsten, copper, nichrome, Aludirome；The heart position, and line in the substrate of resistive heater 7
Road is circular arrangement, and arrangement diameter is 1-10mm.
In embodiment 1, the fiber grating temperature sensor 8 is fixed using the method for unilateral bonding；It uses
Bonded adhesives 9 is inorganic ceramic glue.
In embodiment 1, the fiber grating temperature sensor 8 uses Bragg grating optical fiber；Fiber lengths are 2.5-
20mm, fiber cross-sections diameter are 0.06-0.125mm；48 orthogonal arrangements of fiber grating temperature sensor were at resistive heater 7 weeks
It encloses, and keeps identical spacing with resistive heater 7 respectively.
In embodiment 1, the wavelength monitoring region of the fiber grating temperature sensor 8 is the middle area of fiber grating
Domain；4 fiber grating temperature sensors 8 use same specification process, and original wavelength is equal.
In example 1, windward side or leeward side of the fiber grating temperature sensor 8 in substrate 6.
In embodiment 1,7 surface of resistive heater applies thermal insulation layer 10, and material is silicon oxide powder；Silica powder
Slurry is made in end, is coated in 2 surface of resistive heater, then carry out heat-agglomerating, finally carries out Darkening process；Negligible adding thermal resistance
The heating effect of 7 pairs of sensor internals of silk.
Embodiment 2
The embodiment of the present invention 2 is described in conjunction with Fig. 5 and Fig. 6: a kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and measurement method,
Its construction improves above-described embodiment, and the fiber grating temperature sensor 8, resistive heater 7 and thin set 5 are located at lining
6 windward side of bottom；Fibre optic temperature sensor 8 is placed in thin set 5, and thin set 5 is by way of bonding on fixed substrate 6.
In example 2, fibre optic temperature sensor 8 is placed in one thin set 5 and carries out unilateral fixation, thin set 5
Diameter is 0.5-5mm；5 materials of thin set are ceramics, stainless steel, glass, plastics, aluminium, iron, copper and its alloy.
In example 2, there is resistance wire protective layer 12 on the resistive heater surface, and material is alkali-free glass film；
Slurry is made with alkali-free glass powder, is equably coated on resistive heater 7, heats glass powder in the environment of 350-400 DEG C
To liquid, resistive heater protective layer 12 is formed after cooling.
Embodiment 3
The embodiment of the present invention 3 is described in conjunction with Fig. 5 and Fig. 6: a kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and measurement method,
Its construction is improved in above-described embodiment, and the fiber grating temperature sensor 8, resistive heater 7 and thin set 5 are located at
6 windward side of substrate.
In embodiment 3, fibre optic temperature sensor 8 is placed in one thin set 5 and carries out unilateral fixation, thin set 5
Diameter is 0.5-5mm；5 materials of thin set are ceramics, stainless steel, glass, plastics, aluminium, iron, copper and its alloy.
In embodiment 3, on substrate table 11, thin set 5 passes through for fibre optic temperature sensor 8, resistive heater 7 and thin set 5
The mode of bonding is fixed on substrate table 11, and 11 material of substrate table is a certain kind of monocrystalline silicon, silicide, glass, ceramics
Or several superpositions by different order；Substrate 6 is with a thickness of 0.1-10mm；Same material can be used in substrate table 11 and substrate 6.
In embodiment 3, the substrate table 7 uses non-solid structure；Substrate table 7 is connected by unorganic glass glue 5 and substrate 1
It is connected together, to reduce the heat that resistive heater 2 conducts substrate 1, while also accelerating response speed.
The present invention also provides a kind of embodiments: a kind of wind speed and direction measurement of hot type optical fiber tri-dimensional wind speed wind direction sensor
Method, comprising the following steps:
Step 100: hot type optical fiber tri-dimensional wind speed wind direction sensor being placed in a period of time in band measurement environment, detects two supports
The fiber grating wind speed wind direction sensor of boom end, up to the middle cardiac wave in the wavelength monitoring region of in sensor fibre optical sensor
Length reaches stable；
Step 200: the drift value by detecting two groups of obtained (every group 4) fiber grating temperature sensor central wavelength, it is right
Two groups of drift values carry out data processing respectively, obtain the real-time wind speed and direction of two two support rod end surfaces；
Step 300: two are mutually perpendicular to the wind direction of plane according to obtained in step 200, go out to measure environment through Vector modulation
Space wind direction determines three-dimensional wind direction；
Step 400: obtained three-dimensional wind direction compares the angle of two measuring wind speed planes of space wind direction tangent line and step 300,
The lesser one group of measuring wind speed value of angle in wherein wind direction tangent line and two measuring wind speed planes is selected to carry out data processing, in conjunction with wind
Speed is lost with wind speed of the measurement plane under different angle, finally obtains the three-dimensional velocity value of measurement environment.
In above-mentioned steps, pass through the temperature of detection circuit real-time monitoring resistive heater, contrast_environment temperature sensor
The environment temperature measured is automatically adjusted by the voltage to resistive heater, it is ensured that resistive heater temperature and environment
Temperature gap is kept constant；Inhibit the wave length shift problem of optical fiber under the conditions of varying environment temperature with this.
Although the embodiment of the present invention is had been presented for herein, for it will be appreciated by those skilled in the art that this hair
Bright patent is not limited to the details of above-mentioned exemplary embodiment, and in the feelings of the spirit or essential attributes without departing substantially from the invention patent
Under condition, the invention patent can be realized with other assembling forms；Above-described embodiment is only exemplary, the model of the invention patent
It encloses and is indicated by the appended claims rather than the foregoing description, it is intended that by the meaning and model of the condition of equivalent for falling in claim
All changes in enclosing are included in the invention patent；It should not be using the embodiments herein as the restriction of interest field of the present invention.
Claims (13)
1. a kind of hot type optical fiber tri-dimensional wind speed wind direction sensor, which is characterized in that connect including pedestal, with the base engagement
Main stay tube 21 connects with the support tube 22 that the main stay tube 21 is cooperatively connected in the same direction, cooperation vertical with the main stay tube 21
The support tube 23 that connects, the plane hot type fiber wind speed wind direction for being separately mounted to 23 end of the support tube 22 and the support tube pass
Sensor, the fiber grating environment temperature sensor being vertically mounted on the support tube 22 or support tube 23.
2. hot type optical fiber tri-dimensional wind speed wind direction sensor as described in claim 1, which is characterized in that the support tube 22 and institute
State support tube 23 and form a kind of orthogonal structure, normal line of butt end respectively corresponds X in space coordinates, Y, Z axis it is any
Two reference axis, the material of the support tube are the one or more of glass, ceramics, plastics, iron, aluminium, copper and its alloy.
3. hot type optical fiber tri-dimensional wind speed wind direction sensor as described in claim 1, which is characterized in that the hot type fiber grating
Wind speed wind direction sensor is mounted on the end face of support tube 22 and support tube 23 by way of inlaying or being bonded.
4. hot type optical fiber tri-dimensional wind speed wind direction sensor as described in claim 1, which is characterized in that the hot type fiber grating
Wind speed wind direction sensor is mainly made of 1 substrate, 1 resistive heater and 4 fiber grating temperature sensors.
5. hot type optical fiber tri-dimensional wind speed wind direction sensor as described in claim 1, which is characterized in that the environment temperature sensing
Device is placed in thin set and carries out unilateral fixation, and the diameter carefully covered is 0.5-5mm；Thin cover material be stainless steel, glass, aluminium,
Iron, copper and its alloy.
6. hot type optical fiber tri-dimensional wind speed wind direction sensor as described in claim 1, which is characterized in that real-time by detection circuit
The temperature for monitoring the resistive heater compares the environment temperature that the environment temperature sensor measures, by adding to described
The voltage of hot water radiation wire automatically adjusts, it is ensured that the resistive heater temperature and environment temperature difference keep constant constant difference
Control model inhibits the wave length shift problem of optical fiber under the conditions of varying environment temperature.
7. hot type fiber wind speed wind transducer as claimed in claim 4, which is characterized in that the substrate is monocrystalline silicon, silicon
The a certain or several superposition by different order of compound, glass, ceramics；Substrate thickness is 0.1-1.0mm.
8. hot type fiber wind speed wind transducer as claimed in claim 4, which is characterized in that the resistance wire by sputtering,
The techniques such as plated film, photoetching, etching are formed in substrate surface；Its material be platinum, tungsten, copper, nichrome, Aludirome one
Kind；Heart position, arrangement diameter are 1-10mm to resistive heater in the substrate.
9. hot type fiber wind speed wind transducer as claimed in claim 4, which is characterized in that the fiber grating temperature sensor
Device is fixed using the method for unilateral bonding；The bonded adhesives used is inorganic ceramic glue.
10. hot type fiber wind speed wind transducer as claimed in claim 4, which is characterized in that the optical fiber grating temperature passes
Sensor uses Bragg grating optical fiber；Fiber lengths are 2.5-20mm, and fiber cross-sections diameter is 0.06-0.125mm；Fiber grating
Temperature sensor spacing identical as resistance wire holding respectively, spacing 1-10mm.
11. hot type fiber wind speed wind transducer as claimed in claim 4, which is characterized in that the hot type fiber grating temperature
The wavelength monitoring region for spending sensor is the intermediate region of fiber grating；Four fiber grating temperature sensors use same specification work
Skill processing, and original wavelength is equal.
12. hot type fiber grating wind speed wind direction sensor as claimed in claim 4, which is characterized in that the fiber grating temperature
Sensor is spent in the windward side or leeward side of substrate.
13. the wind speed and direction detection method of hot type optical fiber tri-dimensional wind speed wind direction sensor according to claim 1, feature
It is: the following steps are included:
1) the hot type optical fiber tri-dimensional wind speed wind direction sensor is placed in a period of time in environment to be measured, until the hot type light
The central wavelength in the wavelength monitoring region of each fibre optical sensor reaches stable in fine grating temperature sensor, detects two support tubes
Two groups of (every group 4) fiber grating temperature sensors that the hot type fiber grating wind speed wind direction sensor of end detects
The drift value of device central wavelength calculates two real-time wind speed and directions for being respectively perpendicular to two support tube planes；
2) as obtained in step 1) two be mutually perpendicular to the wind speed and direction of plane, through Vector modulation go out measure environment space
Wind direction determines three-dimensional wind direction；
3) the space wind direction obtained by step 2) compares the folder of two measuring wind speed planes of space wind direction tangent line and step 2
Angle selects the lesser one group of measuring wind speed value of angle in wherein wind direction tangent line and two measuring wind speed planes to carry out data processing, knot
It closes wind speed and measures wind speed of the plane under different angle and be lost, finally obtain the three-dimensional velocity value of measurement environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910583231.2A CN110174526A (en) | 2019-07-01 | 2019-07-01 | A kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910583231.2A CN110174526A (en) | 2019-07-01 | 2019-07-01 | A kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110174526A true CN110174526A (en) | 2019-08-27 |
Family
ID=67699562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910583231.2A Pending CN110174526A (en) | 2019-07-01 | 2019-07-01 | A kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110174526A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609150A (en) * | 2019-10-28 | 2019-12-24 | 广州极飞科技有限公司 | Wind speed and direction measuring device and outdoor detection station |
| CN113504387A (en) * | 2021-09-08 | 2021-10-15 | 江苏正金建筑装饰工程有限公司 | Wind power measuring instrument used in curtain wall engineering |
| CN113652979A (en) * | 2021-08-25 | 2021-11-16 | 吉林建筑大学 | Adjustable windbreak for bridge construction |
| CN113777344A (en) * | 2021-09-15 | 2021-12-10 | 中国科学院苏州纳米技术与纳米仿生研究所 | Wind speed and direction sensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090165551A1 (en) * | 2006-03-16 | 2009-07-02 | Thomas Bosselmann | Flowmeter for Determining a Flow Direction |
| CN104090121A (en) * | 2014-07-09 | 2014-10-08 | 东南大学 | Three-dimensional integrated front-face wind-feeling heat type wind speed and direction sensor device and packaging method |
| CN105547371A (en) * | 2016-01-19 | 2016-05-04 | 东南大学 | Two-dimensional thermal-type wind speed and directions sensor based on ceramic packaging, and manufacturing method therefor |
| CN105675916A (en) * | 2016-01-19 | 2016-06-15 | 东南大学 | High-sensitivity 2D thermal type anemometer and preparation method thereof |
| CN107505477A (en) * | 2017-09-26 | 2017-12-22 | 哈尔滨航士科技发展有限公司 | A kind of three-dimensional fiber Bragg grating wind speed wind direction sensor and system |
-
2019
- 2019-07-01 CN CN201910583231.2A patent/CN110174526A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090165551A1 (en) * | 2006-03-16 | 2009-07-02 | Thomas Bosselmann | Flowmeter for Determining a Flow Direction |
| CN104090121A (en) * | 2014-07-09 | 2014-10-08 | 东南大学 | Three-dimensional integrated front-face wind-feeling heat type wind speed and direction sensor device and packaging method |
| CN105547371A (en) * | 2016-01-19 | 2016-05-04 | 东南大学 | Two-dimensional thermal-type wind speed and directions sensor based on ceramic packaging, and manufacturing method therefor |
| CN105675916A (en) * | 2016-01-19 | 2016-06-15 | 东南大学 | High-sensitivity 2D thermal type anemometer and preparation method thereof |
| CN107505477A (en) * | 2017-09-26 | 2017-12-22 | 哈尔滨航士科技发展有限公司 | A kind of three-dimensional fiber Bragg grating wind speed wind direction sensor and system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609150A (en) * | 2019-10-28 | 2019-12-24 | 广州极飞科技有限公司 | Wind speed and direction measuring device and outdoor detection station |
| CN113652979A (en) * | 2021-08-25 | 2021-11-16 | 吉林建筑大学 | Adjustable windbreak for bridge construction |
| CN113504387A (en) * | 2021-09-08 | 2021-10-15 | 江苏正金建筑装饰工程有限公司 | Wind power measuring instrument used in curtain wall engineering |
| CN113504387B (en) * | 2021-09-08 | 2021-11-09 | 江苏正金建筑装饰工程有限公司 | Wind power measuring instrument used in curtain wall engineering |
| CN113777344A (en) * | 2021-09-15 | 2021-12-10 | 中国科学院苏州纳米技术与纳米仿生研究所 | Wind speed and direction sensor |
| CN113777344B (en) * | 2021-09-15 | 2024-04-19 | 中国科学院苏州纳米技术与纳米仿生研究所 | Wind speed and direction sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110174526A (en) | A kind of hot type optical fiber tri-dimensional wind speed wind direction sensor and detection method | |
| CN104730283B (en) | A kind of tri-dimensional wind speed wind direction sensor based on MEMS technology and preparation method thereof | |
| US4577976A (en) | Multi-layered thin film heat transfer gauge | |
| CN110174527A (en) | A kind of hot type fiber grating wind speed wind direction sensor and detection method | |
| CN106017696B (en) | Thermal resistance thin film thermoelectric heap-type transient heat flow meter and preparation method | |
| CN107505477B (en) | Three-dimensional fiber Bragg grating wind speed and direction sensor and system | |
| CN101271164B (en) | Guiding type wind direction and wind velocity sensor | |
| CN108845005A (en) | Suitable for heating the embedded cavity measuring sensor of plate channel two-phase flow | |
| US3592055A (en) | Directional sensor | |
| CN108548608A (en) | A kind of 3D write-throughs aluminium oxide ceramics film heat flux sensor and preparation method thereof | |
| CN107907561A (en) | The device and measuring method of multipath reflection laser optical lever metal linear expansion coefficient measurement | |
| CN110398610B (en) | Flow velocity detection method and probe of optical fiber hot wire flow velocity sensor | |
| JPS6325562A (en) | Thermal action type wind-speed measuring transducer having directivity | |
| CN105203825B (en) | The preparation method of micro- measuring electrode and the measuring method of thermoelectrical potential and relevant apparatus | |
| Fujiwara et al. | All-optical fiber anemometer based on the pitot-static tube | |
| CN108917587A (en) | A kind of resistance-strain type curvature sensor based on favour stone full-bridge principle | |
| US2395192A (en) | Resistance thermometer | |
| Winkler | Design and calibration of stagnation temperature probes for use at high supersonic speeds and elevated temperatures | |
| CN103345003B (en) | Sonde anti-radiation device and method for obtaining medium altitude temperature by sonde | |
| CN206223808U (en) | A kind of air flow rate sensor | |
| CN109839211B (en) | Distributed optical fiber water body temperature and flow velocity distribution measuring device | |
| CN1936513A (en) | Gas-mass-flow up-down-stream temperature distribution secondary differential measuring method, sensor and flowmeter | |
| CN209342746U (en) | A kind of double heating electrode wide-range air velocity transducers | |
| CN110542491A (en) | Temperature transmission efficiency test system and method for optical fiber composite lead of transformer | |
| CN109470365A (en) | A kind of device and calibration method for calibrating thermal microscope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190827 |