CN102221632A - Piston type Maglev transmission direct-reading multifunctional anemograph - Google Patents
Piston type Maglev transmission direct-reading multifunctional anemograph Download PDFInfo
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- CN102221632A CN102221632A CN 201110054800 CN201110054800A CN102221632A CN 102221632 A CN102221632 A CN 102221632A CN 201110054800 CN201110054800 CN 201110054800 CN 201110054800 A CN201110054800 A CN 201110054800A CN 102221632 A CN102221632 A CN 102221632A
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Abstract
The invention relates to a piston type Maglev transmission direct-reading multifunctional anemograph, which is characterized by comprising a shell, a magnetic piston for wind speed measurement, a wind direction measuring device, a wind temperature measuring unit, a wind humidity measuring unit, a singlechip intelligent display system, a Maglev bearing and a wind speed direct reader. The piston type Maglev transmission direct-reading multifunctional anemograph has the advantages that the piston is adopted for directly measuring force, and the Maglev bearing is adopted for transmission so as to eliminate a plurality of negative effects of the transmission through impellers and mechanical bearings, thereby enlarging the span and improving the response characteristic and limiting conditions; to obtain an accuracy of plus or minus 0.5-0.1 percent by using a third-class (low-grade) pressure criteria for calibration is easy, cheap and time and effort-saving; and the piston type Maglev transmission direct-reading multifunctional anemograph provides beneficial conditions for relevant work with low cost and high efficiency. The change of a working principle provides a novel mode for high level wind speed measurement and device manufacture.
Description
Technical field
But the present invention is a kind of piston magnetic floats the multi-functional wind gage of transmission direct-reading, belongs to meteorological test technical field.
Background technology
Existing wind gage is a principle with the approximate proportional relation of putting in the moving air (wind) of impeller rotation, angular velocity and wind speed.Timing realizes the wind speed and direction measurement when supporting impeller, measured angular speed with framework.Low (wind) speed rubs with mechanical bearing and restricts the establishing scope of its principle; The high-quality wind gage requires wind-tunnel verification, costliness, time-consuming bothersome, and accuracy is ± 5%, is one of factor of the expensive poor efficiency of related work.
Summary of the invention
But what the present invention proposed is the multi-functional wind gage of the floating transmission direct-reading of a kind of piston magnetic, its purpose is intended to overcome the above-mentioned defective that existent technique is deposited, adopt direct dynamometry of piston and magnetic bearing transmission to eliminate the multiple negative interaction of impeller and mechanical bearing transmission, range extension, raising response characteristic and maximum conditions; Obtain ± 0.5%～± 0.1% accuracy with (low-grade) third-class pressure criteria verification, cheap, save time and save trouble; For the related work low-cost high-efficiency provides advantage.
Technical solution of the present invention: it is characterized in that comprising housing, measuring wind speed magnetic force piston, direction measuring apparatus, wind-warm syndrome degree measuring unit, rheumatism degree measuring unit, single-chip microcomputer intelligent display system, magnetic bearing and wind speed direct read device;
Described measuring wind speed comprises target, central shaft, magnetosheath pipe, bushing pipe, magnetic tube, target sleeve pipe and sleeve pipe with the magnetic force piston, wherein magnetic tube, target sleeve pipe are set on the central shaft, target is vertically mounted on the central shaft front end, central shaft constitutes piston boit with a vertical last tube electrode that is contained in, constitute magnetic force piston with tube electrode formation piston exocoel with piston boit with the magnetic tube and the bushing pipe that are fixed in the housing, the target sleeve pipe is introduced empty cabin by the A fairlead, magnetosheath pipe, bushing pipe, sleeve pipe, fastener push the housing inner chamber successively, and sleeve pipe is introduced empty cabin through the B fairlead;
Described direction measuring apparatus comprises rudder, supporting, level and moving electrode, first fixed electrode, second fixed electrode, its centered rudder is contained on the housing, north arrow, level and first fixed electrode, second fixed electrode are glued respectively in supporting, and moving electrode is introduced empty cabin by lead-in wire through the F fairlead;
Described wind-warm syndrome degree measuring unit adopts temperature survey to make up with semiconductor thermistor and unbalanced bridge;
Described moisture measurement unit adopts three cartridge scattered field capacitors as humidity sensor, and is glued on rudder, and electric wire is through the empty cabin of E fairlead 3 introducings separately respectively, and described three cartridge scattered field capacitors comprise A capacitor, B capacitor, C capacitor;
Described single-chip microcomputer intelligent display system is made of template A/D converter, single-chip microcomputer PI, parallel interface I/0, program storage EPROM, light-emitting diode display, record utensil, and measurement and calculating and data form and working routine deposit EPROM in and be subjected to Keyboard Control;
Described magnetic bearing comprises circular magnetic sheet, isolating pad, circular magnetic sheet, big magnetic tube, little magnetic tube and load-bearing pillar, wherein circular magnetic sheet and circular magnetic sheet repel each other, big magnetic tube is inhaled mutually with little magnetic tube, little magnetic tube, circular magnetic sheet and load-bearing pillar gluing are one, circular magnetic sheet is combined into tumbler with big magnetic tube, carrying complete machine magnetic levitation is that rotate on surface level at the center at circular magnetic sheet and little magnetic tube with above the load-bearing pillar with the load-bearing pillar;
Wind speed direct read device 31 adopts on target the fixedly trip frame of digital display calliper, the fixing main scale of digital display calliper on casing, the straight-line displacement of target drives the direct reading of trip frame displacement completion bit shift measurement and digital Display Realization wind speed under the wind action, and scale divisions is 0.01mm.
Advantage of the present invention is: adopt direct dynamometry of piston and magnetic bearing transmission to eliminate the multiple negative interaction of impeller and mechanical bearing transmission, range extension (span), raising response characteristic (response characteristic) and maximum conditions (limiting conditions); With (low-grade) third-class pressure criteria verification obtain ± 0.5%～± 0.1% accuracy not difficult, cheap, save time and save trouble; For the related work low-cost high-efficiency provides advantage.A kind of change of principle of work is created high level for measuring wind speed and device manufacturing new pattern is provided.
Description of drawings
Accompanying drawing 1 is a structural representation of the present invention.
Accompanying drawing 2 is measuring bridge synoptic diagram of electric capacity of the present invention.
Accompanying drawing 3 is wind direction measuring bridge synoptic diagram of the present invention.
Accompanying drawing 4 is temperature measuring bridge synoptic diagram of the present invention.
Accompanying drawing 5 is wind speed direct-reading hypotenuse amplification principle synoptic diagram of the present invention,
But accompanying drawing 6 is the floating multi-functional wind gage synoptic diagram of transmission direct-reading of the piston magnetic of the another kind of profile of the present invention.
Accompanying drawing 7 is wind direction measuring principle synoptic diagram of the present invention.
Accompanying drawing 8 is moisture measurements of the present invention with three cartridge scattered field formula electric capacity synoptic diagram.
Accompanying drawing 9 is three grades of scattered field capacitance measurements of the present invention conspectuses.
Accompanying drawing 10 is housing 1 left views of the present invention.
Accompanying drawing 11 is single-chip microcomputer intelligent display system 16 synoptic diagram.
Among the figure: the 1st, housing, the 2nd, bushing pipe, the 3rd, fastener, the 4th, the sky cabin, the 5th, target, the 6th, central shaft, the 7th, the magnetosheath pipe, the 8th, magnetic tube, the 9th, the target sleeve pipe, the 10th, sleeve pipe, the 11st, rudder, the 12nd, supporting, the 13rd, compass, the 14th, level, the 15th, silver-plated aciculiform connector, the 16th, (single-chip microcomputer intelligence) display system, the 17th, circular magnetic sheet, the 18th, isolating pad, the 19th, circular magnetic sheet, the 20th, big magnetic tube, the 21st, little magnetic tube, the 22nd, load-bearing pillar (having vertical rectangular channel to insert pilot hole) for supporting 12, the 23rd, tripod or band micro actuator spider, 24,25,26 is three grades of scattered field electric capacity (humidity sensor), the 27th, semiconductor thermistor (temperature sensor), the 28th, moving electrode, 29, the 30th, fixed electrode, the 31st, the wind speed direct read device, the 32nd, wire hole, the 33rd, wire hole, the 34th, wire hole, the 35th, wire hole, the 36th, entrance hole, the 37th, tube electrode.
Embodiment
Contrast accompanying drawing, its structure are to comprise housing, measuring wind speed magnetic force piston, direction measuring apparatus, wind-warm syndrome degree measuring unit, rheumatism degree measuring unit, single-chip microcomputer intelligent display system, magnetic bearing and wind speed direct read device;
Described measuring wind speed comprises target 5 with the magnetic force piston, central shaft 6, magnetosheath pipe 7, bushing pipe 2, magnetic tube 8, target sleeve pipe 9 and sleeve pipe 10, wherein magnetic tube 8, target sleeve pipe 9 is set on the central shaft 6, target 5 is vertically mounted on central shaft 6 front ends, central shaft 6 constitutes piston boit with a vertical last tube electrode 37 that is contained in, constitute magnetic force piston with tube electrode 37 formation piston exocoels with piston boit with the magnetic tube 8 and the bushing pipe 2 that are fixed in the housing, target sleeve pipe 9 is introduced empty cabin 4 by A fairlead 32, magnetosheath pipe 7, bushing pipe 2, sleeve pipe 10, fastener 3 pushes housing 1 inner chamber successively, and sleeve pipe 10 is introduced empty cabin 4 through B fairlead 33;
Described direction measuring apparatus comprises rudder 11, supporting 12, level 14 and moving electrode 28, first fixed electrode 29, second fixed electrode 30, its centered rudder 11 is contained on the housing 1, north arrow 13, level 14 and first fixed electrode 29, second fixed electrode 30 gluing are respectively supporting on 12, and moving electrode 28 is introduced empty cabin 4 by lead-in wire through F fairlead 36;
Described wind-warm syndrome degree measuring unit adopts temperature survey to make up with semiconductor thermistor 27 and unbalanced bridge;
Described moisture measurement unit adopts three cartridge scattered field capacitors as humidity sensor, glued on rudder 11, and electric wire is through the empty cabin 4 of E fairlead 35 introducings separately respectively, and described three cartridge scattered field capacitors comprise A capacitor 24, B capacitor 25, C capacitor 26;
Described single-chip microcomputer intelligent display system is made of template A/D converter, single-chip microcomputer PI, parallel interface I/0, program storage EPROM, light-emitting diode display, record utensil, and measurement and calculating and data form and working routine deposit EPROM in and be subjected to Keyboard Control;
Described magnetic bearing comprises circular magnetic sheet 17, isolating pad 18, circular magnetic sheet 19, big magnetic tube 20, little magnetic tube 21 and load-bearing pillar 22, wherein circular magnetic sheet 17 repels each other with circular magnetic sheet 19, big magnetic tube 20 is inhaled mutually with little magnetic tube 21, little magnetic tube 21, circular magnetic sheet 19 are one with load-bearing pillar 22 gluings, circular magnetic sheet 17 is combined into tumbler with big magnetic tube 20, the magnetic levitation of carrying complete machine with little magnetic tube 21 with above the load-bearing pillar 22, is that center on surface level rotate with load-bearing pillar 22 at circular magnetic sheet 19;
Wind speed direct read device 31 adopts on target 5 the fixedly trip frame of digital display calliper, the fixing main scale of digital display calliper on casing, the straight-line displacement of target drives the direct reading of trip frame displacement completion bit shift measurement and digital Display Realization wind speed under the wind action, and scale divisions is 0.01mm.
Described central shaft 6 adopts air traffic control centre's axle.
Magnetic bearing is that the center is installed on tripod or the band micro actuator spider 23 with load-bearing pillar 22.
Among Fig. 2: Cx=R1/R2Cs, (A, D power supply, C, D output)
With V-F type voltage-to-digit converter or displacement digital quantizer output Δ f1.
Among Fig. 3: what reality was represented is two electric bridges, and all the other are identical except that first fixed electrode 29, second fixed electrode 30; Drive the moving electrode 28 of differential capacitor during rudder 11 rotates, the face that overlaps with first fixed electrode 29, second fixed electrode 30 in the supporting 12 changes with C
* 1, C
* 2Tolerance is measured C
* 1, C
* 2(=R1/R4 * R2/R3 * Cj), produce frequency Δ f2 with V-F type voltage-to-digit converter or angle-to-digit converter, the wind direction that characterizes with rudder 11 corners as can be known
(E is a power supply, C, D output)
Among Fig. 4: E is a power supply, and C, D are output current Im
With V～F voltage-to-digit converter output Δ f
3
The contrast Fig. 5, be a helical AC in the AB section of housing 1 cylindrical, condition be among the right-angle triangle ABC β be 5 ° 42 ', AB/BC=0.0998, AC are 10.02 to the enlargement factor of AB.Wherein L is wind gage range (being magnetic force piston meter stroke);
Five equilibrium does above-mentioned condition helical (AC) k (k 〉=4) bar in the hope of making things convenient for direct-reading on the AB section circumference of housing 1 cylindrical.
6, four LED demonstrations of contrast accompanying drawing are contained on Fig. 1, but on the shell of the floating multi-functional aerovane of transmission direct-reading of signal piston magnetic, add transparent material protection (shell), leaded (commentaries on classics) wiring in Fig. 1 sky cabin 4 of institute; Is that wind direction shows from a left side from right first LED, and second LED is that wind speed shows (or change into " level "), and the 3rd LED is that temperature shows, the 4th LED is the air humidity demonstration.
During enforcement, be directly proportional, measure conversion displacement Δ x, Δ x and PV according to the momentum of moving air (wind) and the quality PVF (P～atmospheric density, V～wind speed, F～target area) and the amassing of flow velocity V of interior moving air of unit interval
2Be directly proportional, wherein the atmospheric density P whole world in the engineering all determines not to be measure to determine by calculating, and the negligible amount of influence makes that p is a constant K
0Condition set up in measurement range.Therefore, Δ x and KV
2Be directly proportional, determine target, magnetosheath pipe, magnetic tube and target sleeve pipe, sleeve pipe correlation technique parameters such as (target sleeve pipe 9, sleeve pipe 10 combination capacitors are displacement x measurement sensor) with this foundation.
Prepare: contrast Fig. 1,
1) shell 1, and left view such as Fig. 2 illustrate and bushing pipe 2, target 5, and rudder 11, isolating pad 18 1 is reinstated unsaturated polyester resin reinforcing glass fiber [same prescription (BB)] mold pressing and is produced standby;
2) measuring wind speed comprises target 5, central shaft 6, magnetosheath pipe 7, bushing pipe 2, magnetic tube 8, target sleeve pipe 9 and sleeve pipe 10 combinations with magnetic force piston and displacement measurement.Wherein central shaft 6 usefulness 1Cr18Ni9Ti make; Magnetosheath pipe 7, magnetic tube 8 can show one-piece construction with Fig. 1 as required, also can be made up of more piece.The target 5 displacement x measurement electric capacity that target sleeve pipe 9, sleeve pipe 10 synthesize.
3) wind direction is measured moving electrode 28, supporting 12, first fixed electrode 29 at top, 30 multiple measurement of second fixed electrode with rudder 11, housing 1 bottom, wherein supports 12 usefulness 1Cr18Ni9Ti and makes, and three electrodes are formed differential capacitor, and synoptic diagram such as Fig. 7-3.In the principle of Fig. 7, Fig. 3 signal, measurement range is (2X60 a °=) 120 ° when R=2r, and when being circular as if moving electrode 28, second fixed electrode 29, electric capacity is zero in the time of positive and negative 60 °.If when three electrodes were square, electric capacity was non-vanishing.Measurement range requires greater than 120 ° of conditions, can according to Fig. 7 principle at radius be on the circumference of R symmetrical y1, y2 acquire 29 ' and 30 ';
4) (wind) temperature survey is with semiconductor thermistor 27 and unbalanced bridge combination, as Fig. 4;
5) (wind) moisture measurement illustrates that by the combination of 1Cr18Ni9Ti paper tinsel measuring circuit is illustrated as Fig. 9 as Fig. 8 with three cartridge scattered field capacitors 24,25,26;
6) 16 signals of single-chip microcomputer intelligent display system are as Figure 11, by A/D converter (as 7135), single-chip microcomputer PI (as: 8031), parallel interface: I/O (as: 8155), program storage EPROM (as: 2764), light-emitting diode display, record utensil (as: mini-printer, with another microcomputer communication and tape or the like), keyboard is (for operation, as: work is selected, data initialization) or the like constitute, what measurement and calculating and data form and working routine or the like were available in all varieties deposits EPROM in and is subjected to Keyboard Control, needs only power supply and has signal delta x input measurement and related works such as record and demonstration to carry out automatically;
7) magnetic bearing is with the hole 38 of Figure 10 signal, pilot hole 39, circular magnetic sheet 17 among Fig. 1, isolating pad 18, circular magnetic sheet 19, big magnetic tube 20, little magnetic tube 21, (1Cr18Ni9Ti system) load-bearing pillar 22 is formed, wherein circular magnetic sheet 17 repels each other with circular magnetic sheet 19, big magnetic tube 20 is inhaled mutually with little magnetic tube 21, little magnetic tube 21, circular magnetic sheet 19 is an one with load-bearing pillar 22 gluings, the result is by the tumbler of circular magnetic sheet 17 with big magnetic tube 20 combinations, the magnetic levitation of carrying complete machine by circular magnetic sheet 19 with little magnetic tube 21 with can be that rotate freely on surface level at the center with load-bearing pillar 22 above the load-bearing pillar 22.The magnetic induction density B of magnet steel is generally 2000～7000 Gausses, customization cycle, is generally 10～15 days on the market;
8) aluminium alloy system is used in supporting 12, insert load-bearing pillar 22 inside add the lateral pin localization part be vertical rectangle (with the vertical rectangular opening on the load-bearing pillar 22 be loose fit), vertical component is horizontal rectangle, horizontal component for dull and stereotyped and make north arrow 13, level 14, fixed electrode, pilot hole;
9) suite north arrow 13, level 14, (silver-plated aciculiform) connector 15, tripod or band micro actuator spider etc. are asked special manufacturer or supplier's supply;
The preparation method of 10) wind speed direct-reading, wind speed direct-reading function is a kind of incessantly.Comprise whether disposing wind speed direct-reading function, to the technical requirement of direct-reading function, price, moulding or the like by user or market expectations decision.The present invention proposes three realizations of two kinds of principles wind speed direct-read method with example and states as follows:
Principle 1. hypotenuses amplify, and method is to use hypotenuse and right-angle side relation.Amplify target 5 displacement x, signal is scale as Fig. 5 with the helical of carrying out the scale number among Fig. 5, and the terminal of target 5 is an indicator, obtains wind speed and read function again under the condition that does not increase any device.Be good at simple economy;
Verification (also claiming to demarcate or scale): with support support " mover ", make target 5 vertically on surface level, give target 5 with the acting force of different values (Δ F), measurement one to one and record diagram 6 signal measuring circuit outputs (Δ f1) with third-class pressure criteria, obtain Δ F and Δ f1 form one to one, convert by target 5 lifting surface area FV and wind speed Δ V relation, formulating Δ f1 and Δ V form one to one, in fact is exactly Δ x and K Δ V
2Become form one to one, it is write EPROM, finish the wind speed calibration; With angle scale, scale division value≤0.5 of a diameter greater than shell 1 length, hang plumb line at shell 1 afterbody (or connector 15 central points), the load-bearing pillar 22 of the magnetic bearing complete machine that installs is put the angle scale central point overlap the position, artificial rotation tumbler, measurement and record corner β and Fig. 3 illustrate measuring circuit output (Δ f2) to obtain, obtain Δ β and Δ f2 form one to one, it is write EPROM, finish the wind direction calibration; Air themperature and humidity scale are continued to use the existing standard device calibration of measurement technology research institution, and the corresponding form that obtains is write EPROM one by one, finish the temperature and humidity calibration.
But piston magnetic of the present invention floats the multi-functional wind gage course of work of transmission direct-reading:
With north arrow 13, level 14 be as the criterion adjust tripod or band fine setting spider 23 make supporting 12 with the surface level of 13 one-tenths lines of north arrow on, reliably peg graft, send electricity, (button) to put duty connector 15 and (single-chip microcomputer intelligence) display system 16.When calm, temperature and humidity show timesharing, when wind is arranged, " mover " will be that the center is rotated with the wind with " stator ", target 5 will with wind speed in various degree be pushed into shell 1, timesharing automatically shows wind direction, wind speed, temperature and humidity measurement result and record or teletransmission, can realize operatorless continuous coverage with the uninterrupted power source support.The wind speed direct-reading is only with being observation, comparing or just in case the reply of fault.
Claims (3)
1. but the floating multi-functional wind gage of transmission direct-reading of piston magnetic is characterized in that comprising housing, measuring wind speed magnetic force piston, direction measuring apparatus, wind-warm syndrome degree measuring unit, rheumatism degree measuring unit, single-chip microcomputer intelligent display system, magnetic bearing and wind speed direct read device;
Described measuring wind speed comprises target, central shaft, magnetosheath pipe, bushing pipe, magnetic tube, target sleeve pipe and sleeve pipe with the magnetic force piston, wherein magnetic tube, target sleeve pipe are set on the central shaft, target is vertically mounted on the central shaft front end, central shaft constitutes piston boit with a vertical last tube electrode that is contained in, constitute magnetic force piston with tube electrode formation piston exocoel with piston boit with the magnetic tube and the bushing pipe that are fixed in the housing, the target sleeve pipe is introduced empty cabin by the A fairlead, magnetosheath pipe, bushing pipe, sleeve pipe, fastener push the housing inner chamber successively, and sleeve pipe is introduced empty cabin through the B fairlead;
Described direction measuring apparatus comprises rudder, supporting, level and moving electrode, first fixed electrode, second fixed electrode, its centered rudder is contained on the housing, north arrow, level and first fixed electrode, second fixed electrode are glued respectively in supporting, and moving electrode is introduced empty cabin by lead-in wire through the F fairlead;
Described wind-warm syndrome degree measuring unit adopts temperature survey to make up with semiconductor thermistor and unbalanced bridge;
Described moisture measurement unit adopts three cartridge scattered field capacitors as humidity sensor, and is glued on rudder, and electric wire is through the empty cabin of E fairlead 3 introducings separately respectively, and described three cartridge scattered field capacitors comprise A capacitor, B capacitor, C capacitor;
Described single-chip microcomputer intelligent display system is made of template A/D converter, single-chip microcomputer PI, parallel interface I/O, program storage EPROM, light-emitting diode display, record utensil, and measurement and calculating and data form and working routine deposit EPROM in and be subjected to Keyboard Control;
Described magnetic bearing comprises circular magnetic sheet, isolating pad, circular magnetic sheet, big magnetic tube, little magnetic tube and load-bearing pillar, wherein circular magnetic sheet and circular magnetic sheet repel each other, big magnetic tube is inhaled mutually with little magnetic tube, little magnetic tube, circular magnetic sheet and load-bearing pillar gluing are one, circular magnetic sheet is combined into tumbler with big magnetic tube, carrying complete machine magnetic levitation is that rotate on surface level at the center at circular magnetic sheet and little magnetic tube with above the load-bearing pillar with the load-bearing pillar;
Wind speed direct read device 31 adopts on target the fixedly trip frame of digital display calliper, the fixing main scale of digital display calliper on casing, the straight-line displacement of target drives the direct reading of trip frame displacement completion bit shift measurement and digital Display Realization wind speed under the wind action, and scale divisions is 0.01mm.
2. but a kind of piston magnetic according to claim 1 floats the multi-functional wind gage of transmission direct-reading, it is characterized in that described central shaft adopts air traffic control centre's axle.
3. but a kind of piston magnetic according to claim 1 floats the multi-functional wind gage of transmission direct-reading, it is characterized in that magnetic bearing is that the center is installed on tripod or the band micro actuator spider with the load-bearing pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110054800 CN102221632B (en) | 2011-03-07 | 2011-03-07 | Piston type Maglev transmission direct-reading multifunctional anemograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110054800 CN102221632B (en) | 2011-03-07 | 2011-03-07 | Piston type Maglev transmission direct-reading multifunctional anemograph |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102221632A true CN102221632A (en) | 2011-10-19 |
| CN102221632B CN102221632B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110054800 Expired - Fee Related CN102221632B (en) | 2011-03-07 | 2011-03-07 | Piston type Maglev transmission direct-reading multifunctional anemograph |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI481873B (en) * | 2013-03-22 | 2015-04-21 | Giga Byte Tech Co Ltd | Air velocity measuring system and method thereof |
| CN107462743A (en) * | 2017-08-08 | 2017-12-12 | 北京卫星环境工程研究所 | Suitable for the wind speed calibration apparatus and scaling method under low pressure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2321006Y (en) * | 1998-03-03 | 1999-05-26 | 中国科学院林业部兰州沙漠研究所 | Wind-speed and- direction automatic collector |
| US20060117844A1 (en) * | 2002-11-06 | 2006-06-08 | Siegfried Birkle | Measuring element for determining a flow rate |
| CN101405579A (en) * | 2006-03-16 | 2009-04-08 | 西门子公司 | Flowmeter for determining a flow direction |
| CN201945602U (en) * | 2011-03-07 | 2011-08-24 | 河海大学 | Piston type magnetic transmission and direct reading multifunctional anemometer |
-
2011
- 2011-03-07 CN CN 201110054800 patent/CN102221632B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2321006Y (en) * | 1998-03-03 | 1999-05-26 | 中国科学院林业部兰州沙漠研究所 | Wind-speed and- direction automatic collector |
| US20060117844A1 (en) * | 2002-11-06 | 2006-06-08 | Siegfried Birkle | Measuring element for determining a flow rate |
| CN101405579A (en) * | 2006-03-16 | 2009-04-08 | 西门子公司 | Flowmeter for determining a flow direction |
| CN201945602U (en) * | 2011-03-07 | 2011-08-24 | 河海大学 | Piston type magnetic transmission and direct reading multifunctional anemometer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI481873B (en) * | 2013-03-22 | 2015-04-21 | Giga Byte Tech Co Ltd | Air velocity measuring system and method thereof |
| CN107462743A (en) * | 2017-08-08 | 2017-12-12 | 北京卫星环境工程研究所 | Suitable for the wind speed calibration apparatus and scaling method under low pressure |
| CN107462743B (en) * | 2017-08-08 | 2020-04-17 | 北京卫星环境工程研究所 | Wind speed calibration device and calibration method suitable for low air pressure |
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| Publication number | Publication date |
|---|---|
| CN102221632B (en) | 2012-12-05 |
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