CN204101584U - Wind speed and direction sensing device - Google Patents
Wind speed and direction sensing device Download PDFInfo
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- CN204101584U CN204101584U CN201420452881.6U CN201420452881U CN204101584U CN 204101584 U CN204101584 U CN 204101584U CN 201420452881 U CN201420452881 U CN 201420452881U CN 204101584 U CN204101584 U CN 204101584U
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- wind speed
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- 239000000523 sample Substances 0.000 claims abstract description 41
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000003068 static effect Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of wind speed and direction measuring device, belong to fluid measurement technical field.Comprise porous probe and data acquisition system (DAS), porous probe comprises probe bodies, the head of probe bodies is provided with at least 3 and is the tracting pressuring hole of odd number, the pressure guiding pipe corresponding with tracting pressuring hole quantity is equipped with in probe bodies, data acquisition system (DAS) comprises multiple pressure transducer, and tracting pressuring hole is by pressure guiding pipe Bonding pressure sensor.The utility model no-movable part, reliability are higher, can meet the request for utilization of aircraft or Climate measurement under general condition; Adopt differential pressure pick-up, it does not need to connect to draw reference pressure, comparatively large at wind speed, the angle of attack or yaw angle less time, the differential pressure pick-up that range is less than incoming flow dynamic pressure can measure the change of the angle of attack or yaw angle; When measuring for wind direction, there is no mechanical movable part, therefore there is not the delay because moment of inertia causes, higher to air-flow drift angle response speed.By several baroports of probe bodies side, can witness mark static pressure exactly.
Description
Technical field
The utility model relates to a kind of wind speed and direction measuring device, and especially a kind of air speed for aircraft, the angle of attack, yaw angle or the wind speed and direction sensing device for meteorology, belong to fluid measurement technical field.
Background technology
The general airspeed sensor of current aircraft is pitot, be characterized in measuring accurate, easy to use, but when vehicle flight speeds is lower, flight attitude angle is larger, pitot can not reach the precision of flight needs; Simultaneously existing pitot needs the pressure transducer that stagnation pressure or static pressure to be caused by pressure guiding pipe in flight control computer, causes its volume weight larger.In addition, existing aircraft generally uses the wind vane angle of attack/sideslip sensor to measure the attitude of body relative to air-flow, obtain the angle of attack/yaw angle data, but the existing wind vane angle of attack/sideslip sensor part comprises multiple movable device, Dynamic response is lower, general uses two weathervanes to measure the angle of attack and yaw angle respectively, cannot on same sensor the integrated angle of attack and yaw angle function, and there is interference between two weathervanes, be difficult to realize miniaturization.In addition, the wind-cup type wind gage that meteorological field uses and weathervane measuring wind and wind direction, there is multiple movable part in it equally, and reliability is poor, and volume is large; Meanwhile, there is moment of inertia in wind-cup type wind gage, responds slower.
Porous probe is an existing technology in wind tunnel test field, but existing porous probe is without positioning datum, can only measuring wind wind direction, and probe bodies is separated with sensor.
Utility model content
Technical problem to be solved in the utility model is to overcome prior art defect and provides that a kind of volume is little, sound construction, reaction velocity fast and the wind speed and direction sensing device that measuring accuracy is high.
In order to solve the problems of the technologies described above, the wind speed and direction sensing device that the utility model provides, comprise porous probe and data acquisition system (DAS), described porous probe comprises probe bodies, the head of probe bodies is provided with at least 3 and is the tracting pressuring hole of odd number, be equipped with the pressure guiding pipe corresponding with tracting pressuring hole quantity in probe bodies, data acquisition system (DAS) comprises multiple pressure transducer, and described tracting pressuring hole is by pressure guiding pipe Bonding pressure sensor.
In the utility model, described tracting pressuring hole is 1 center tracting pressuring hole, and all the other tracting pressuring holes centrally outer circumference of tracting pressuring hole distribute symmetrically.
In the utility model, described pressure transducer is differential pressure sensor, and described center tracting pressuring hole connects 1 differential pressure pick-up, and all the other any pair symmetrical tracting pressuring hole connects 1 differential pressure pick-up jointly.
In the utility model, the side of described probe bodies is provided with several baroports, and several baroports described are connected 1 differential pressure pick-up jointly by 1 pressure guiding pipe and center tracting pressuring hole.
In the utility model, described data acquisition system (DAS) comprises processor, signal wire, described pressure transducer connection handling device, described processor connection signal line.
In the utility model, described data acquisition system (DAS) comprises processor, wireless transmitter module, described pressure transducer connection handling device, and described processor connects wireless transmitter module.
In the utility model, described data acquisition system (DAS) comprises wireless transmitter module, and described pressure transducer connects wireless transmitter module.
In the utility model, described data acquisition system (DAS) comprises processor, storer, described pressure transducer connection handling device, described processor connected storage.
In the utility model, described data acquisition system (DAS) comprises storer, described pressure transducer connected storage.
In the utility model, described data acquisition system (DAS) is arranged in the enclosure.
The beneficial effects of the utility model are: (1), compared with the current pitot tube for aircraft, the wind vane angle of attack/sideslip sensor, the utility model wind speed and direction sensing device no-movable part, reliability is higher, comparatively fast can meet the request for utilization of aircraft or Climate measurement under general condition to the response of wind speed and direction change; (2), the utility model adopts differential pressure pick-up, and it does not need to connect to draw reference pressure, comparatively large at wind speed, the angle of attack or yaw angle less time, the differential pressure pick-up that range is less than incoming flow dynamic pressure can measure the change of the angle of attack or yaw angle; Meanwhile, which save number of sensors, reduce the volume of device; (3), owing to adopting integrative-structure, its inner pressure guiding pipe length is shorter, alleviates sensor-based system weight; (4), be integrated with on individual devices wind speed and direction measure function, reduce volume; (5), when measuring for wind direction, there is no mechanical movable part, therefore there is not the delay because moment of inertia causes, higher to air-flow drift angle response speed; (6), the utility model by several baroports of probe bodies side, can witness mark static pressure exactly; (7), by data acquisition system (DAS) arrange in the enclosure, external interference can be shielded better and provide position reference for installing probe; (8), the utility model can be widely used in the attitude measurement of aircraft or spacecraft, meteorological wind speed and direction is measured, wind energy conversion system flow field or Blade Properties test, boats and ships resultant wind to and the field such as flow field, deck, flow field calibration of wind tunnel, there is very high application prospect.
Accompanying drawing explanation
Fig. 1 is the utility model wind speed and direction sensing device schematic appearance;
In Fig. 2, (a) is porous probe portion structural representation, and (b) is porous end of probe tracting pressuring hole distributed architecture schematic diagram;
Fig. 3 is the Embedded data acquisition system structural representation of the utility model wind speed and direction sensing device;
Fig. 4 is Embedded data acquisition system embodiment 1 structural representation of the utility model wind speed and direction sensing device;
Fig. 5 is Embedded data acquisition system embodiment 2 structural representation of the utility model wind speed and direction sensing device;
Fig. 6 is Embedded data acquisition system embodiment 3 structural representation of the utility model wind speed and direction sensing device;
Fig. 7 is Embedded data acquisition system embodiment 4 structural representation of the utility model wind speed and direction sensing device;
Fig. 8 is Embedded data acquisition system embodiment 5 structural representation of the utility model wind speed and direction sensing device;
In figure, 1-porous control pin, 2-Embedded data acquisition system, 3-pressure guiding pipe, 4-probe bodies, 5-baroport, 6-tracting pressuring hole, 7-flexible pipe, 8-pressure transducer, 9-shell, 10-processor, 11-signal wire, 12-wireless communication module, 13-storer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model wind speed and direction sensing device, is made up of porous probe 1 and embedded data system 2.
As shown in Figure 2, porous probe 1 comprises pressure guiding pipe 3, probe bodies 4, baroport 5 and tracting pressuring hole 6, tracting pressuring hole 6 is arranged on the head of probe bodies 4, tracting pressuring hole 6 quantity is 5, in 1 center tracting pressuring hole and 4 tracting pressuring holes 6 centrally tracting pressuring hole circumference distribute symmetrically, the airflow direction reflecting porous end of probe respectively of each hole force value 6; The shape of end of probe and the quantity of tracting pressuring hole 6, distribution form also can use according to reality carry out increasing and decreasing and changing, and usual tracting pressuring hole 6 quantity should be odd number, and its distribution form is with 1 center tracting pressuring hole, all the other centrally tracting pressuring hole circumference distribute symmetrically.Pressure guiding pipe 3 is laid in probe bodies 4, its quantity corresponding with tracting pressuring hole 6 (needing the pressure guiding pipe increased separately for connecting baroport when probe bodies 4 is provided with baroport), and each tracting pressuring hole 6 is connected with pressure guiding pipe 3 respectively; Circumferentially have 8 baroports, 5,8 baroports 5 in the side of probe bodies 4 and jointly connect 1 pressure guiding pipe 3, for by witness mark static pressure data discharge pressure sensor 8; In actual application, the quantity of baroport 5 can carry out the increase and decrease of different number from probe diameter.Probe bodies 4 can be processed into difformity or different bending angles, to increase the precision of measuring wind wind direction or to be applicable to different measuring occasion.
When airflow direction and porous probe 1 head form an angle, tracting pressuring hole 6 records different pressure, each hole force value and airflow direction constituting-functions relation, and this function is calibrated by wind tunnel experiment and obtained; Pressure guiding pipe 3 is communicated with tracting pressuring hole 6, air pressure is caused the pressure transducer 8 in Embedded data acquisition system 2.
As shown in Figure 3, Embedded data acquisition system 2 is made up of flexible pipe 7, pressure transducer 8, shell 9, processor 10 and signal wire 11.The quantity of flexible pipe 7 is corresponding with the quantity of pressure guiding pipe 3, and one end of flexible pipe 7 connects pressure guiding pipe 3, other end Bonding pressure sensor 8.The quantity of pressure transducer 8 is determined by the quantity of tracting pressuring hole 6 on porous probe 1, in the present embodiment, pressure transducer 8 adopts differential pressure pick-up, differential pressure pick-up is provided with the input of two-way detection signal, wherein center tracting pressuring hole 6 is connected 1 differential pressure pick-up jointly with 8 baroports, the tracting pressuring hole 6 being positioned at left and right is connected to 1 differential pressure pick-up jointly, be positioned at upper and lower tracting pressuring hole 6 and be jointly connected to 1 differential pressure pick-up, namely the quantity of pressure transducer 8 is 3, differential pressure pick-up is adopted not need to connect reference pressure, larger at wind speed, the angle of attack or yaw angle less time, the differential pressure pick-up that range is less than incoming flow dynamic pressure can measure the change of the angle of attack or yaw angle, in addition, adopt and save the quantity that differential pressure pick-up can save sensor, reduce the volume of device.Pressure transducer 8 connection handling device 10, processor 10 connection signal line 11, processor 10 reads the data of pressure transducer 8, and resolve, utilize known each hole force value and the funtcional relationship of airflow direction, calculate wind speed and direction value and other physical quantitys, as dynamic pressure, static pressure, barometer altitude, temperature, atmospheric density etc., exported by signal wire 11.The processor that processor 10 can be understood for single-chip microcomputer, ARM, FPGA, DSP or other those skilled in that art; The data that processor 10 calculates export, and its form can be RS232, RS485, CAN or other communication interfaces understood for those skilled in the art.Embedded data acquisition system 2 can be arranged in shell 9; shell 9 act as protection sensor; shield external interference and provide position reference for installing probe; shell 9 can be processed into different shapes to adapt to different mounting meanss and probe geometries, can omit shell 9 in special application scenario.
Can change for its quantity of the pressure transducer of different model in actual application.Above-mentioned, pressure transducer 8 also can adopt common pressure transducer, its quantity is 6, and wherein 5 tracting pressuring holes 6 are connected respectively 5 pressure transducers, 8,8 baroports 5 and jointly connect 1 pressure transducer 8.
As shown in Figure 4, as the modified embodiment of Embedded data acquisition system 2, the pressure transducer 8 in Embedded data acquisition system can direct output pressure signal, exports this pressure signal to host computer, thus omit processor 10 by signal wire 11.
As shown in Figure 5, as the modified embodiment of Embedded data acquisition system 2, in Embedded data acquisition system, processor 10 is communicated with wireless communication module 12, and wind speed and direction data are emitted to host computer by wireless communication module 12 after treatment.
As shown in Figure 6, as the modified embodiment of Embedded data acquisition system 2, in Embedded data acquisition system, pressure transducer 8 is directly communicated with wireless communication module 12, and wind speed and direction data are emitted to host computer by wireless communication module 12.
As shown in Figure 7, as the modified embodiment of Embedded data acquisition system 2, in Embedded data acquisition system, processor 10 is communicated with storer 13, and wind speed and direction data are directly stored in storer 13 after treatment.After collection completes, the data of storer can reach host computer process by signal wire, or use moveable storage medium, utilize computing machine to read.
As shown in Figure 8, as the modified embodiment of Embedded data acquisition system 2, in Embedded data acquisition system, pressure transducer 8 is directly communicated with storer 13, and wind speed and direction data are directly stored in storer 13.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, can also make some improvement under the prerequisite not departing from the utility model principle, these improvement also should be considered as protection domain of the present utility model.
Claims (10)
1. a wind speed and direction sensing device, it is characterized in that: comprise porous probe (1) and data acquisition system (DAS) (2), described porous probe (1) comprises probe bodies (4), the head of probe bodies (4) is provided with at least 3 and is the tracting pressuring hole (6) of odd number, the pressure guiding pipe (3) corresponding with tracting pressuring hole (6) quantity is equipped with in probe bodies (4), described data acquisition system (DAS) (2) comprises multiple pressure transducer (8), and described tracting pressuring hole (6) is by pressure guiding pipe (3) Bonding pressure sensor (8).
2. wind speed and direction sensing device according to claim 1, it is characterized in that: described tracting pressuring hole (6) is in 1 center tracting pressuring hole (6), and all the other tracting pressuring holes (6) centrally tracting pressuring hole (6) outer circumference distribute symmetrically.
3. wind speed and direction sensing device according to claim 2, it is characterized in that: described pressure transducer (8) is differential pressure sensor, described center tracting pressuring hole (6) connects 1 differential pressure pick-up, and all the other any pair symmetrical tracting pressuring hole (6) connects 1 differential pressure pick-up jointly.
4. wind speed and direction sensing device according to claim 3, it is characterized in that: the side of described probe bodies (4) is provided with several baroports (5), described several baroports (5) are connected 1 differential pressure pick-up by 1 pressure guiding pipe (3) jointly with center tracting pressuring hole (6).
5. the wind speed and direction sensing device according to any one of Claims 1-4, it is characterized in that: described data acquisition system (DAS) (2) comprises processor (10), signal wire (11), described pressure transducer (8) connection handling device (10), described processor (10) connection signal line (11).
6. the wind speed and direction sensing device according to any one of Claims 1-4, it is characterized in that: described data acquisition system (DAS) (2) comprises processor (10), wireless transmitter module (12), described pressure transducer (8) connection handling device (10), described processor (10) connects wireless transmitter module (12).
7. the wind speed and direction sensing device according to any one of Claims 1-4, it is characterized in that: described data acquisition system (DAS) (2) comprises wireless transmitter module (12), described pressure transducer (8) connects wireless transmitter module (12).
8. the wind speed and direction sensing device according to any one of Claims 1-4, it is characterized in that: described data acquisition system (DAS) (2) comprises processor (10), storer (13), described pressure transducer (8) connection handling device (10), described processor (10) connected storage (13).
9. the wind speed and direction sensing device according to any one of Claims 1-4, it is characterized in that: described data acquisition system (DAS) (2) comprises storer (13), described pressure transducer (8) connected storage (13).
10. wind speed and direction sensing device according to claim 6, is characterized in that: described data acquisition system (DAS) (2) is arranged in shell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452881.6U CN204101584U (en) | 2014-08-12 | 2014-08-12 | Wind speed and direction sensing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452881.6U CN204101584U (en) | 2014-08-12 | 2014-08-12 | Wind speed and direction sensing device |
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| Publication Number | Publication Date |
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| CN204101584U true CN204101584U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420452881.6U Expired - Lifetime CN204101584U (en) | 2014-08-12 | 2014-08-12 | Wind speed and direction sensing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155473A (en) * | 2014-08-12 | 2014-11-19 | 南京航空航天大学 | Wind speed and wind direction sensing device |
| CN104897360A (en) * | 2015-06-10 | 2015-09-09 | 中国空气动力研究与发展中心低速空气动力研究所 | Wireless measuring method for direction field |
| CN105258914A (en) * | 2015-11-13 | 2016-01-20 | 中国空气动力研究与发展中心低速空气动力研究所 | Low-speed wind tunnel flow field test micropressure measurement system |
| CN106828846A (en) * | 2017-01-13 | 2017-06-13 | 南京航空航天大学 | A kind of active flow control system and its method in stern flight-deck flow field |
-
2014
- 2014-08-12 CN CN201420452881.6U patent/CN204101584U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155473A (en) * | 2014-08-12 | 2014-11-19 | 南京航空航天大学 | Wind speed and wind direction sensing device |
| CN104897360A (en) * | 2015-06-10 | 2015-09-09 | 中国空气动力研究与发展中心低速空气动力研究所 | Wireless measuring method for direction field |
| CN105258914A (en) * | 2015-11-13 | 2016-01-20 | 中国空气动力研究与发展中心低速空气动力研究所 | Low-speed wind tunnel flow field test micropressure measurement system |
| CN106828846A (en) * | 2017-01-13 | 2017-06-13 | 南京航空航天大学 | A kind of active flow control system and its method in stern flight-deck flow field |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150114 |