CN2836015Y - Automatic anemometer tester - Google Patents
Automatic anemometer tester Download PDFInfo
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- CN2836015Y CN2836015Y CN 200520110470 CN200520110470U CN2836015Y CN 2836015 Y CN2836015 Y CN 2836015Y CN 200520110470 CN200520110470 CN 200520110470 CN 200520110470 U CN200520110470 U CN 200520110470U CN 2836015 Y CN2836015 Y CN 2836015Y
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Abstract
The utility model discloses a kind of wind speed instrument automatic detection device, by wind-tunnel, a plurality of photoelectric sensors, pitot tube, little differential pressure sensor, frequency converter, motor, the analog to digital conversion plate, the digital-to-analog conversion plate, composition such as computing machine and computer peripheral equipment, the a plurality of photoelectric sensors and the little differential pressure sensor that are arranged on the wind-tunnel divide level signal connection mode number conversion plate A/D input interface, pitot tube connects wind-tunnel and little differential pressure sensor, analog to digital conversion plate A/D output interface signal connects the computing machine input interface, the computing machine output signal connects digital-to-analogue change-over panel D/A input interface, the blower fan behind the digital-to-analog conversion plate D/A output interface signal connection frequency converter on control linkage motor and then the connection wind-tunnel.By to the Frequency Converter Control rotating speed of motor; wind table wind speed is tested; realized automatic test; this measurement device precision height, sensitivity and stability are strong, speed governing is steady, reliable, easy to operate; show print data; and the self check defencive function is arranged, and can realize the wind-tunnel far distance controlled, reduce labor intensity and improve working environment.
Description
Affiliated technical field
The utility model relates to instrument and meter test technique automatic field, specifically relates to a kind of wind speed instrument automatic detection device.
Background technology
Wind speed instrument detects, and generally finishes by the wind tunnel test system, and the wind tunnel test system is widely used in departments such as mining industry, meteorology, environmental protection, building traffic, with measurement and the check of carrying out various wind gages, pitot tube.Traditional wind-tunnel is that section is circular closed straight path type wind-tunnel, various photoelectric sensors are installed on the wind-tunnel, pitot tube and blower fan, air pressure when gathering out corresponding wind speed in the wind-tunnel by photoelectric sensor, temperature and rh value, by the wind speed in the pitot tube collection wind-tunnel, according to the air speed value that collects with after the standard wind speed value is compared, regulate the wind speed of blower fan by adjusting rotating speed of motor, make wind speed stable until meeting the demands, current, this detection back data relatively reach the wind speed adjusting and are all finished by artificial craft, exist because artificial factor makes the degree of accuracy of data acquisition and speed governing and accuracy occur deviation easily, the lower shortcoming of sensitivity that causes systematic survey, influenced the stability that wind speed detects, simultaneously artificial manual operation detection system also increases staff's labour intensity, how to make wind speed instrument realize detecting automatically, improve the degree of accuracy and the accuracy of data acquisition and speed governing, closely improving sensitivity and the labour intensity stable and that alleviate the test job personnel measured, is that the present technique field need the urgent problem that solves.
Summary of the invention
The purpose of this utility model provides a kind of wind speed instrument of realizing and detects, improves the degree of accuracy and the accuracy of data acquisition and speed governing automatically, closely improve sensitivity and the stability of measuring, and alleviate the wind speed instrument automatic detection device of test job personnel labor intensity.
In order to achieve the above object, the utility model adopts following constructional device: a kind of wind speed instrument automatic detection device, by wind-tunnel, a plurality of photoelectric sensors, pitot tube, little differential pressure sensor, frequency converter, motor, the analog to digital conversion plate, the digital-to-analog conversion plate, composition such as computing machine and computer peripheral equipment, be characterized in: a plurality of photoelectric sensors that are arranged on the wind tunnel noumenon divide level signal connection mode number conversion plate A/D input interface, pitot tube one end connects wind-tunnel, the other end is connected little differential pressure sensor by rubber tube, the positive pressure connector of pitot tube connects the malleation hole of little differential pressure sensor, and static pressure inlet connects the datum hole of little differential pressure sensor, little differential pressure sensor signal connection mode number conversion plate A/D input interface, analog to digital conversion plate A/D output interface signal connects the computing machine input interface, the computer output interface signal connects digital-to-analogue change-over panel D/A input interface, digital-to-analog conversion plate D/A output interface signal connects frequency converter, the frequency converter signal controlling connects motor, the motor signal controlling connects the blower fan on the wind tunnel noumenon, and computing machine connects computer peripherals.
Above-mentioned described photoelectric sensor comprises optical pressure sensor, temperature sensor and humidity sensor.
Principle of work of the present utility model is such: before system brings into operation, the pitot tube and the little differential pressure sensor that will be connected with wind-tunnel are connected with rubber tube, the positive pressure connector of pitot tube, static pressure inlet are connected with datum hole with the malleation hole of little differential pressure sensor respectively, respectively circuit communication computer system, little differential pressure sensor, baroceptor, temperature sensor, relative humidity sensor, frequency converter, motor and wind tunnel fan again, the output valve of little differential pressure sensor is as fixed point voltage when at first gathering the wind speed of 0m/s in the wind-tunnel.Gather the air pressure in the wind-tunnel simultaneously, temperature and rh value, with these initial value input analog-to-digital converter input computing machines, calculate initial coefficients K0, by the wind speed in the pitot tube collection wind-tunnel, be introduced into high-precision little differential pressure sensor, obtain to import computing machine again after differential pressure signal imports the analog to digital conversion plate into, calculate corresponding air speed value V0, air pressure when gathering out corresponding wind speed in the wind-tunnel, temperature and rh value, the input computing machine draws corresponding COEFFICIENT K 1, obtain total correction factor K according to K0 and K1,, obtain the actual wind speed V of institute's measuring point according to correction factor K and air speed value V, actual wind speed V compared with the standard wind speed value that pre-deposits computing machine draw deviate, if deviate meets the demands, then computing machine output control signal changes next test point over to and detects.If deviate goes beyond the scope, then by computing machine output control, output signal to frequency converter by the digital-to-analog conversion plate, because wind tunnel speed is directly proportional with motor speed, therefore can regulate wind speed by regulating motor speed, make wind speed stable until meeting the demands, the utility model can realize that single-point detects and controlled wind speed automatically, this device can also be realized the multiple spot fixed point continuous detecting and the control of wind table simultaneously, computing machine and peripheral hardware thereof can be preserved, search the data manipulation that to carry out needs, and can show the regression curve interface, observe regression curve, curvilinear equation, the linearity is printed regression curve and correlation graph and data.
Owing to adopted the said structure principle; make the utility model adopt advanced ac variable speed technology; the differential pressure signal input computing machine of introducing the collection of high precision little differential pressure sensor carries out data processing; utilize the abundant software and hardware function of robot calculator; output frequency in conjunction with the automatic control of conversion device of fuzzy intelligence; by to the Frequency Converter Control rotating speed of motor; can realize the speed governing of fixing a point; automatic speed regulation; the starting speed governing; can be directly used in the test of wind table; so both reduced the artificial collimation error; make test again; mapping; page order is finished; realized automatic test; this device acquired signal precision height; sensitivity and the stability measured have been improved; have digital the demonstration; speed governing is steady; reliable; power saving; easy to operate; etc. characteristics, and has overcurrent; overvoltage; under-voltage; the overheated defencive function that waits can be realized the wind-tunnel far distance controlled; promptly reduce labor intensity, improve working environment again.
Description of drawings
Fig. 1 is a structural principle synoptic diagram of the present utility model
Embodiment
Can see clearly to find out structural principle of the present utility model from Fig. 1, a kind of wind speed instrument automatic detection device, by wind-tunnel 5, pressure photoelectric sensor 4, temperature photoelectric sensor 3, humidity photoelectric sensor 2, pitot tube 6, little differential pressure sensor 9, frequency converter 8, motor 7, analog to digital conversion plate 1, computing machine 11 and computing machine such as establish at composition, be arranged on the pressure photoelectric sensor 4 on wind-tunnel 5 bodies, temperature photoelectric sensor 3, the A/D input interface of 2 fens level signal connection modes of humidity photoelectric sensor number conversion plate 1, pitot tube 6 one ends connect wind-tunnel 5, the other end is connected little differential pressure sensor 9 by rubber tube, the positive pressure connector of pitot tube 6 connects the malleation hole of little differential pressure sensor 9, and static pressure inlet connects the datum hole of little differential pressure sensor 9, the A/D input interface of little differential pressure sensor 9 signal connection mode number conversion plates 1, the A/D output interface signal of analog to digital conversion plate 1 connects computing machine 10 input interfaces, computing machine 10 output interface signals connect the D/A input interface of digital-to-analogue change-over panel 10, the D/A output interface signal of digital-to-analog conversion plate 10 connects frequency converter 8, frequency converter 8 signal controlling connect motor 7, motor 7 signal controlling connect the blower fan on wind-tunnel 1 body, and computing machine 10 connects computer peripherals.
Claims (2)
1. wind speed instrument automatic detection device, by wind-tunnel, a plurality of photoelectric sensors, pitot tube, little differential pressure sensor, frequency converter, motor, the analog to digital conversion plate, the digital-to-analog conversion plate, computing machine and computer peripheral equipment are formed, it is characterized in that: be arranged on the A/D input interface that a plurality of photoelectric sensors on wind-tunnel (5) body divide level signal connection mode number conversion plate (1), pitot tube (6) one ends connect wind-tunnel (5), the other end is connected little differential pressure sensor (9) by rubber tube, the positive pressure connector of pitot tube (6) connects the malleation hole of little differential pressure sensor (9), and static pressure inlet connects the datum hole of little differential pressure sensor (9), the A/D input interface of little differential pressure sensor (9) signal connection mode number conversion plate (1), the A/D output interface signal of analog to digital conversion plate (1) connects computing machine (11) input interface, computing machine (11) output interface signal connects the D/A input interface of digital-to-analogue change-over panel (10), the D/A output interface signal of digital-to-analog conversion plate (10) connects frequency converter (8), frequency converter (8) signal controlling connects motor (7), motor (7) signal controlling connects the blower fan on wind-tunnel (5) body, and computing machine (11) connects computer peripherals.
2. wind speed instrument automatic detection device according to claim 1 is characterized in that: described photoelectric sensor comprises pressure transducer (4), temperature sensor (3) and humidity sensor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520110470 CN2836015Y (en) | 2005-06-28 | 2005-06-28 | Automatic anemometer tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520110470 CN2836015Y (en) | 2005-06-28 | 2005-06-28 | Automatic anemometer tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2836015Y true CN2836015Y (en) | 2006-11-08 |
Family
ID=37300668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520110470 Expired - Fee Related CN2836015Y (en) | 2005-06-28 | 2005-06-28 | Automatic anemometer tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2836015Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100578231C (en) * | 2006-12-28 | 2010-01-06 | 山东省科学院海洋仪器仪表研究所 | Wind analog device |
| CN102564727A (en) * | 2011-12-29 | 2012-07-11 | 中国科学院长春光学精密机械与物理研究所 | Wind resistance simulation test device for aviation photoelectric measuring device |
| CN103675354A (en) * | 2013-11-19 | 2014-03-26 | 中国大唐集团科学技术研究院有限公司 | Anemometer fault detection method and system |
| CN103675356A (en) * | 2013-11-19 | 2014-03-26 | 中国大唐集团科学技术研究院有限公司 | Anemometer fault detection method and system on the basis of particle swarm optimization |
| CN103675357A (en) * | 2013-11-19 | 2014-03-26 | 中国大唐集团科学技术研究院有限公司 | Anemometer fault warning method and system |
| CN105242073A (en) * | 2015-10-26 | 2016-01-13 | 南京航空航天大学 | Constant temperature hot wire wind-velocity indicator detection system |
-
2005
- 2005-06-28 CN CN 200520110470 patent/CN2836015Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100578231C (en) * | 2006-12-28 | 2010-01-06 | 山东省科学院海洋仪器仪表研究所 | Wind analog device |
| CN102564727A (en) * | 2011-12-29 | 2012-07-11 | 中国科学院长春光学精密机械与物理研究所 | Wind resistance simulation test device for aviation photoelectric measuring device |
| CN103675354A (en) * | 2013-11-19 | 2014-03-26 | 中国大唐集团科学技术研究院有限公司 | Anemometer fault detection method and system |
| CN103675356A (en) * | 2013-11-19 | 2014-03-26 | 中国大唐集团科学技术研究院有限公司 | Anemometer fault detection method and system on the basis of particle swarm optimization |
| CN103675357A (en) * | 2013-11-19 | 2014-03-26 | 中国大唐集团科学技术研究院有限公司 | Anemometer fault warning method and system |
| CN103675357B (en) * | 2013-11-19 | 2016-06-01 | 中国大唐集团科学技术研究院有限公司 | The method of anemoscope fault pre-alarming and system |
| CN105242073A (en) * | 2015-10-26 | 2016-01-13 | 南京航空航天大学 | Constant temperature hot wire wind-velocity indicator detection system |
| CN105242073B (en) * | 2015-10-26 | 2018-08-28 | 南京航空航天大学 | Thermostatic type hot-wire anemometer detecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Jun Document name: Notification that Application Deemed not to be Proposed |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061108 Termination date: 20100628 |