CN202693611U - Wind direction and speed sensor - Google Patents
Wind direction and speed sensor Download PDFInfo
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- CN202693611U CN202693611U CN 201220269011 CN201220269011U CN202693611U CN 202693611 U CN202693611 U CN 202693611U CN 201220269011 CN201220269011 CN 201220269011 CN 201220269011 U CN201220269011 U CN 201220269011U CN 202693611 U CN202693611 U CN 202693611U
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- velocity
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Abstract
The utility model discloses a wind direction and speed sensor, which comprises a housing, wherein a propeller is arranged at one end of the housing, a tail wing is arranged at the other end of the housing, magnetic steel and a speed measuring coil matched with the magnetic steel are arranged in the housing, the magnetic steel is fixed at one end of a wind speed transmission shaft in the housing detachably, the propeller is fixedly connected with the other end of the wind speed transmission shaft, and the speed measuring coil is fixed on a coil holder in the housing, and electrically connected with a circuit board in the housing. An angle encoder and a wind direction driver are arranged in the housing, the wind direction driver is connected with the tail wing rotationally, a wind direction shaft of the wind direction driver is connected with an angle shaft of the angle encoder by a coupler, and the angle encoder is fixed on an encoder holder in the housing, and electrically connected with the circuit board. The wind direction and speed sensor is simple in structure, high in resolution and wide in application scope.
Description
Technical field
The utility model relates to technology of instrument and meter, specifically, relates to a kind of wind direction and wind velocity sensor.
Background technology
Wind direction and wind velocity sensor is a kind of sensor of measuring atmosphere wind direction and wind speed, be mainly used in the meteorological observation of highway, airport, harbour and boats and ships, for communications and transportation provides accurately, reliable weather information, these information will help the related personnel to determine optimum programme of work, thus the safety of assurance personnel and the vehicles.
Existing wind direction and wind velocity sensor is measured wind direction and is generally adopted code-disc to realize, code-disc is arranged between luminotron and the photosensitive tube, and is fixed on the drive disk assembly of sensor weathervane, can rotate and rotate with respect to luminotron and photosensitive tube by the box haul mark.During working sensor, luminotron produces light source, and the grid on the code-disc produces the effect of printing opacity and shading because of the difference of rotational angle.During printing opacity, the photosensitive tube of correspondence position output high level, during shading, the photosensitive tube output low level of correspondence position.Carry out assembly coding by the high-low level to photosensitive tube output, sensor just can be exported an instant wind angle.
Because the resolution of code-disc is lower, generally only can accomplish 5 ° resolution, so that sensor measurement wind direction error is larger.The angular encoder resolution that is used for measuring rotational angle in the prior art is higher, if can be applied in the sensor, can improve the measuring accuracy of sensor.But, because measuring wind generally is to realize by Hall element in the existing wind direction and wind velocity sensor, Hall element fixed sturcture in sensor is complicated, it is larger to occupy volume, and need central shaft, be arranged on so that the Hall element structure is difficult to match with the angular encoder structure one can measure wind direction, can the sensor of measuring wind in, limited the lifting of sensor performance.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, wind direction and wind velocity sensor that resolution is high.
For realizing above-mentioned technical purpose, the utility model is achieved by the following technical solutions:
A kind of wind direction and wind velocity sensor, comprise housing, one end of housing is provided with screw propeller, the other end of housing is provided with empennage, the velocity coils that in housing, is provided with magnet steel and matches with magnet steel, the detachable end that is fixed on the wind speed transmission shaft in the housing of magnet steel, the other end of wind speed transmission shaft is fixedly connected with screw propeller, velocity coils is fixed on the coil holder in the housing, and is electrically connected with circuit board in being arranged on housing; In housing, also be provided with angular encoder and wind direction driver, wind direction driver and empennage are rotationally connected, the wind direction axle of wind direction driver is connected by shaft coupling with the angle axle of angular encoder, and angular encoder is fixed on the interior scrambler seat of housing, and is electrically connected with circuit board.
Aforesaid wind direction and wind velocity sensor, for simplifying sensor construction, reducing sensor bulk, the wind direction axle of described wind direction driver passes described velocity coils and is connected with described shaft coupling, and then is connected with the angle axle of described angular encoder by shaft coupling.
Aforesaid wind direction and wind velocity sensor, for further simplifying sensor construction, reducing taking the sensor space, described housing is three-port structure, three cavitys that formation is interconnected, described wind direction driver, described velocity coils, described shaft coupling and described angular encoder are successively set in the cavity of housing from top to bottom; The end to described empennage place is arranged in order in the cavity that is arranged on housing from the end at described screw propeller place for described wind speed transmission shaft, described magnet steel and described velocity coils.
Aforesaid wind direction and wind velocity sensor is provided with key at the roof of described empennage, and correspondence is provided with keyway on described wind direction driver, and described empennage and described wind direction driver are rotationally connected by key and keyway.
Aforesaid wind direction and wind velocity sensor is installed and used at other equipment for ease of sensor, is provided with column at described housing.
Aforesaid wind direction and wind velocity sensor on described housing, be arranged with rain cover near an end of described screw propeller, damages sensor element to prevent rainwater from entering sensor internal.
Compared with prior art, advantage of the present utility model and good effect are: the utility model is by arranging angular encoder as the core component of measuring wind direction in sensor, sensor wind direction Measurement Resolution and measuring accuracy have been improved, and consist of the core component of measuring wind by magnet steel and velocity coils, velocity coils need not to arrange central shaft, simple in structure, and small volume, be convenient to be equipped with angular encoder and consist of wind direction and wind velocity sensor together.
After reading by reference to the accompanying drawings embodiment of the present utility model, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model wind direction and wind velocity sensor.
Among above-mentioned each figure, the component names of Reference numeral and correspondence thereof is as follows:
101, housing; 102, cavity; 103, screw propeller; 104, empennage; 105, wind speed transmission shaft; 106, magnet steel; 107, velocity coils; 108, circuit board; 109, wind direction driver; 110, wind direction axle; 111, shaft coupling; 112, angle axle; 113, angular encoder; 114, column; 115, rain cover.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Please refer to Fig. 1, this Figure 1 shows that the structural representation of an embodiment of the utility model wind direction and wind velocity sensor.
As shown in Figure 1, the wind direction and wind velocity sensor of this embodiment includes housing 101, and housing 101 forms a cavity 102." in the cavity 102 " described below is same concept with " in the housing 101 ", points to same space.
Be provided with the screw propeller 103 that is fixed on by nut on the housing 101 at an end of housing 101, be provided with empennage 104 at the other end of housing 101, this empennage 104 can rotate along with wind direction as the weathervane of wind direction and wind velocity sensor.In housing 101 formed cavitys 102, be provided with magnet steel 106, these magnet steel 106 detachable ends that are fixed on the wind speed transmission shaft 105 that is arranged in cavity 102, and the other end of wind speed transmission shaft 105 is fixedly connected with propeller 103 by bearing.Be to realize the measurement to wind speed, being provided with in cavity 102 to match with magnet steel 106 produces the velocity coils 107 of magnetoelectric effect, and this velocity coils 107 is fixed on the coil holder of cavity 102, and is electrically connected with circuit board 108 in being arranged on housing 101.And, in cavity 102, also being provided with angular encoder 113 and wind direction driver 109, angular encoder 113 has angle axle 112, and wind direction driver 109 has wind direction axle 110.Wind direction driver 109 is rotationally connected with empennage 104, and the wind direction axle 110 of wind direction driver 109 is connected by shaft coupling 111 with the angle axle 112 of angular encoder 113.And angular encoder 113 is fixed on the scrambler seat of cavity 102, and is electrically connected with circuit board 108.
By angular encoder 113 is set as the core component of measuring wind direction in sensor, can improve sensor wind direction Measurement Resolution and measuring accuracy, and consist of the core component of measuring wind by magnet steel 106 and velocity coils 107, because velocity coils 107 need not to arrange central shaft, simple in structure, and small volume is convenient to be equipped with together with angular encoder 113 and is consisted of wind direction and wind velocity sensor.
In this embodiment, for simplifying sensor construction, reducing sensor bulk, housing 101 is three-port structure, three cavitys that formation is interconnected, wind direction driver 109, velocity coils 107, shaft coupling 111 and angular encoder 113 are successively set in the cavity 102 of housing 101 from top to bottom, and the end to 104 empennage places is arranged in order in the cavity 102 that is arranged on housing 101 and wind speed transmission shaft 105, magnet steel 106 and velocity coils 107 are from the end at screw propeller 103 places.And the wind direction axle 110 of wind direction driver 109 passes velocity coils 107 and is connected with shaft coupling 111, and then is connected with the angle axle 112 of angular encoder 113 by shaft coupling 11, and further compactness arranges each parts, reduces taking the sensor space.
In addition, in this embodiment, install and use at other equipment for ease of sensor, on housing 101, also be provided with column 114, specifically, column 114 is arranged on the lower end of three way type housing 101, is convenient to sensor sleeve is located on the mast of ship for example, carries out the measurement of wind speed and direction at sea.
And, on housing 101, be arranged with rain cover 115 near an end of screw propeller 103, can prevent effectively that rainwater from entering sensor internal and damaging sensor element.
The principle of the sensor measurement wind speed of this embodiment is: tested wind drives screw propeller 103 rotations, and the rotation of screw propeller 103 drives magnet steel 106 rotations by wind speed transmission shaft 105.According to magnetoelectric effect, after magnet steel 106 rotations, will in velocity coils 107, produce sinusoidal voltage, the generation frequency of this voltage is directly proportional with wind speed.Voltage collection circuit in the circuit board 108 gathers the generation frequency of this voltage, can obtain air speed value and the output of tested wind according to the algorithm of setting.By selecting suitable wind direction coefficient to revise, can be so that the measuring wind speed precision reaches ± 0.5m/s.
And the principle of the sensor measurement wind direction of this embodiment is: tested wind drives empennage 104 rotations, thereby driving wind direction driver 109 rotates, by the transmission of wind direction axle 110 and angle axle 112, drive angular encoder 113 and produce the angle voltage that becomes certain relation with wind direction.Related circuit in the circuit board 108 gathers this angle voltage signal, can calculate wind direction numerical value and the output of tested wind according to the algorithm of setting, and the wind direction measuring accuracy can reach ± 3 °, resolution is 1 °.
Above embodiment is only in order to illustrating the technical solution of the utility model, but not limits it; Although with reference to previous embodiment the utility model is had been described in detail, for the person of ordinary skill of the art, still can make amendment to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the utility model technical scheme required for protection.
Claims (6)
1. wind direction and wind velocity sensor, comprise housing, one end of housing is provided with screw propeller, the other end of housing is provided with empennage, it is characterized in that, the velocity coils that is provided with magnet steel and matches with magnet steel in housing, the detachable end that is fixed on the wind speed transmission shaft in the housing of magnet steel, the other end of wind speed transmission shaft is fixedly connected with screw propeller, and velocity coils is fixed on the coil holder in the housing, and is electrically connected with circuit board in being arranged on housing; In housing, also be provided with angular encoder and wind direction driver, wind direction driver and empennage are rotationally connected, the wind direction axle of wind direction driver is connected by shaft coupling with the angle axle of angular encoder, and angular encoder is fixed on the interior scrambler seat of housing, and is electrically connected with circuit board.
2. wind direction and wind velocity sensor according to claim 1 is characterized in that, the wind direction axle of described wind direction driver passes described velocity coils and is connected with described shaft coupling, and then is connected with the angle axle of described angular encoder by shaft coupling.
3. wind direction and wind velocity sensor according to claim 1, it is characterized in that, described housing is three-port structure, forms three cavitys that are interconnected, and described wind direction driver, described velocity coils, described shaft coupling and described angular encoder are successively set in the cavity of housing from top to bottom; The end to described empennage place is arranged in order in the cavity that is arranged on housing from the end at described screw propeller place for described wind speed transmission shaft, described magnet steel and described velocity coils.
4. wind direction and wind velocity sensor according to claim 3 is characterized in that, is provided with key at the roof of described empennage, and correspondence is provided with keyway on described wind direction driver, and described empennage and described wind direction driver are rotationally connected by key and keyway.
5. each described wind direction and wind velocity sensor in 4 according to claim 1 is characterized in that, is provided with column at described housing.
6. each described wind direction and wind velocity sensor in 4 according to claim 1 is characterized in that, on described housing, be arranged with rain cover near an end of described screw propeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220269011 CN202693611U (en) | 2012-06-08 | 2012-06-08 | Wind direction and speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220269011 CN202693611U (en) | 2012-06-08 | 2012-06-08 | Wind direction and speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693611U true CN202693611U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220269011 Expired - Fee Related CN202693611U (en) | 2012-06-08 | 2012-06-08 | Wind direction and speed sensor |
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| Country | Link |
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| CN (1) | CN202693611U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267873A (en) * | 2013-05-31 | 2013-08-28 | 山东省科学院海洋仪器仪表研究所 | Fault detecting system and method for propeller type anemometry sensor |
| CN106053875A (en) * | 2016-07-28 | 2016-10-26 | 无锡信大气象传感网科技有限公司 | Wind speed anemoscope for use in such weather as wind, snow, and ice freezing |
| CN106597008A (en) * | 2016-12-05 | 2017-04-26 | 北京普华亿能风电技术有限公司 | Wind measuring method resistant to wind shadow of an anemometer tower |
| CN107015020A (en) * | 2017-04-26 | 2017-08-04 | 中国气象科学研究院 | Prop type anemometer |
| CN107015019A (en) * | 2017-04-26 | 2017-08-04 | 中国气象科学研究院 | A kind of prop type anemometer |
| CN107389976A (en) * | 2017-09-11 | 2017-11-24 | 郑兴 | A kind of instrument and meter detects wind direction detector |
| CN111239435A (en) * | 2020-01-22 | 2020-06-05 | 微特技术有限公司 | Wind speed and wind direction integrated detection sensor |
-
2012
- 2012-06-08 CN CN 201220269011 patent/CN202693611U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267873A (en) * | 2013-05-31 | 2013-08-28 | 山东省科学院海洋仪器仪表研究所 | Fault detecting system and method for propeller type anemometry sensor |
| CN106053875A (en) * | 2016-07-28 | 2016-10-26 | 无锡信大气象传感网科技有限公司 | Wind speed anemoscope for use in such weather as wind, snow, and ice freezing |
| CN106053875B (en) * | 2016-07-28 | 2018-12-07 | 浙江凯尔奇电器有限公司 | Anemoclinograph is used under a kind of wind and snow freezing weather |
| CN106597008A (en) * | 2016-12-05 | 2017-04-26 | 北京普华亿能风电技术有限公司 | Wind measuring method resistant to wind shadow of an anemometer tower |
| CN107015020A (en) * | 2017-04-26 | 2017-08-04 | 中国气象科学研究院 | Prop type anemometer |
| CN107015019A (en) * | 2017-04-26 | 2017-08-04 | 中国气象科学研究院 | A kind of prop type anemometer |
| CN107015019B (en) * | 2017-04-26 | 2023-09-15 | 中国气象科学研究院 | Propeller type anemometer |
| CN107015020B (en) * | 2017-04-26 | 2023-09-26 | 中国气象科学研究院 | Propeller type anemometer |
| CN107389976A (en) * | 2017-09-11 | 2017-11-24 | 郑兴 | A kind of instrument and meter detects wind direction detector |
| CN111239435A (en) * | 2020-01-22 | 2020-06-05 | 微特技术有限公司 | Wind speed and wind direction integrated detection sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130608 |