CN209215416U - A kind of two-dimensional ultrasonic anemometer - Google Patents
A kind of two-dimensional ultrasonic anemometer Download PDFInfo
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- CN209215416U CN209215416U CN201821006781.5U CN201821006781U CN209215416U CN 209215416 U CN209215416 U CN 209215416U CN 201821006781 U CN201821006781 U CN 201821006781U CN 209215416 U CN209215416 U CN 209215416U
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- transmitting terminal
- dimensional ultrasonic
- receiving end
- ultrasonic anemometer
- main casing
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- 101100015456 Litomosoides carinii GP22 gene Proteins 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000523 sample Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002463 transducing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The utility model proposes a kind of two-dimensional ultrasonic anemometers, including data line, main casing and five energy converters, one is transmitting terminal in five energy converters, remaining four energy converter is receiving end, four receiving ends are respectively correspondingly set to square four vertex position, the transmitting terminal is located at the surface of the square center point, the receiving end and transmitting terminal and is communicated to connect by data line and main casing.The utility model has the advantages that the two-dimensional ultrasonic anemometer of the utility model is located at two station ultrasonic wave anemometers in main machine body relative to sonic probe, the support column in shell and shell is eliminated, so as to greatly reduce the error due to caused by Turbulent Flow Effects；Influence to wind speed is smaller, reduces influence of the ultrasonic wind meter structure to wind speed significantly, to reduce survey wind error.
Description
Technical field
The invention belongs to ultrasound wind technical field more particularly to a kind of two-dimensional ultrasonic anemometers.
Background technique
The precise measurement of wind speed and direction is the theme of multiple kens, such as agricultural, meteorological, aviation, multiple necks such as navigation
The precise measurement of wind speed and direction all plays an important role in domain.Ultrasonic wind meter is steady due to no mechanical rotary part, performance
The advantages that determining is widely used, but there is also certain errors for the measurement due to itself turbulence characteristic to wind speed.By many years
Research finds that in ultrasonic wind meter, the flowing in sound wave is distorted mainly as caused by the shadow effect of energy converter, this
It is since wind is caused by the impact on energy converter leeward.And the shadow effect of ultrasonic transducer depends on sound wave path
The stability of geometry, wind direction and atmosphere.Especially when wind direction is parallel with energy converter survey wind direction, this influence reaches most
Greatly.
Summary of the invention
The purpose of the present invention is to overcome the deficiency in the prior art, provides a kind of two-dimensional ultrasonic anemometer, specifically by with
Lower technical solution is realized:
The two-dimensional ultrasonic anemometer, including data line, main casing and five energy converters, in five energy converters
One is transmitting terminal, remaining four energy converter is receiving end, and four receiving ends are respectively correspondingly set to square four
Vertex position, the transmitting terminal are located at the surface of the square center point, and the receiving end and transmitting terminal pass through data line
It is communicated to connect with main casing.
The two-dimensional ultrasonic anemometer it is further design be, line and receiving end between transmitting terminal and receiving end
The angle of the plane of place square is
The further design of the two-dimensional ultrasonic anemometer is that the transmitting terminal is the ultrasound that angle is directed toward with 90 °
Wave transmitting terminal.
The two-dimensional ultrasonic anemometer it is further design be, be integrated in main casing control circuit with communicate electricity
Road.
The further design of the two-dimensional ultrasonic anemometer is that the control circuit uses GP22, to control transducing
The driving signal of device, and the return signal of energy converter is received, the computing relay time.
The further design of the two-dimensional ultrasonic anemometer is that the telecommunication circuit uses STM32F103ZET6,
The STM32F103ZET6 reception delay time calculates air speed data, and output wind speed data.
The further design of the two-dimensional ultrasonic anemometer is that the spacing of the adjacent receiving end is 70.7mm, hair
Penetrating the distance between end and receiving end is 82mm.
The advantages of the utility model, is as follows:
The two-dimensional ultrasonic anemometer of the utility model is located at two station ultrasonic waves in main machine body relative to sonic probe and surveys
Bearing eliminates the support column in shell and shell, so as to greatly reduce the error due to caused by Turbulent Flow Effects.And
Transmitting terminal and receiving end be not in the two-dimensional ultrasonic anemometer of same level, compared to transmitting terminal and receiving end in same level
For the two-dimensional ultrasonic anemometer in face, the influence to wind speed is smaller, reduces ultrasonic wind meter structure significantly to wind speed
It influences, to reduce survey wind error.
Detailed description of the invention
Fig. 1 is two-dimensional ultrasonic anemometer transducer architecture figure.
Fig. 2 is two-dimensional ultrasonic anemometer transducer array geometrical analysis figure.
Fig. 3 is that two-dimensional ultrasonic surveys wind schematic diagram.
Specific embodiment
Technical solution of the present invention is further illustrated with attached drawing in conjunction with specific embodiments.
Such as Fig. 1, two-dimensional ultrasonic anemometer provided in this embodiment, mainly by data line (1,2,3,4,5), main casing 6
And five energy converters.One is transmitting terminal in five energy converters, remaining four energy converter is receiving end, four receiving end difference
Accordingly be set to square four vertex position, referring to fig. 2 in r1, r2, r3 and r4.Transmitting terminal t is located at pros
The surface of shape central point.Receiving end (r1, r2, r3, r4) and transmitting terminal t are communicated to connect by data line and main casing.
Line between transmitting terminal and receiving end and the angle of the plane of square where receiving end are In the present embodiment,It is 52.4 °.
Transmitting terminal in the present embodiment is the ultrasonic wave transmitting terminal that angle is directed toward with 90 °.
Further, control circuit and telecommunication circuit are integrated in main casing.Control circuit uses GP22 in the present embodiment
It realizes, GP22 controls the driving signal of energy converter, and receives the return signal of energy converter, computing relay time.Telecommunication circuit
It is realized using STM32F103ZET6, the STM32F103ZET6 reception delay time calculates air speed data, and exports wind
Fast data.
Such as Fig. 2, for α in the direction angle range of ultrasonic wave transmitting terminal, size should be within 90 °.M is transmitting terminal and receiving end
The distance between be 82mm, transmitting terminal r1, r2 and transmitting terminal r3, r4 are located at x-axis, on y-axis position, and r1, r2, r3, r4
The square that side length is 70.7mm is formed, transmitting terminal t is located at square center position 65mm.
Such as Fig. 3, transmitting terminal constitutes isosceles triangle, and a length of M of waist with two receiving ends on the same axis, and base angle isTransition time of the sound wave from ultrasonic wave transmitting terminal to receiving end is T, i.e.,
T=T '+△ T (1)
Wherein T is the transition time of ultrasonic wave under windless condition, and △ T is delay time.It is obtained according to mathematics geometrical analysis method
The calculating of wind speed such as formula (1), (2), (3) are shown out:
Then V is found out according to formula (4) respectivelyxAnd VyWind speed on direction obtains actual wind speed size by formula (5) are as follows:
The size of wind direction is finally acquired by formula (6):
The present embodiment is located at the design method outside main machine body using ultrasonic probe, avoids host housing to wind speed
It influences, the interference to wind flow is reduced from contour structures.And since wind most in real life is all parallel
With the wind on ground.On the other hand, the present embodiment uses transmitting terminal and receiving end not in the design method of same level, so that two
Dimension ultrasonic wind meter reaches minimum to the influence degree of wind speed, so that two-dimensional ultrasonic anemometer be made to reduce wind in structure
The measurement error of speed.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (7)
1. a kind of two-dimensional ultrasonic anemometer, it is characterised in that including data line, main casing and five energy converters, described five
One is transmitting terminal in energy converter, remaining four energy converter is receiving end, and four receiving ends are respectively correspondingly set to a pros
Four vertex positions of shape, the transmitting terminal are located at the surface of the square center point, and the receiving end and transmitting terminal are logical
It crosses data line and main casing communicates to connect.
2. two-dimensional ultrasonic anemometer according to claim 1, it is characterised in that the line between transmitting terminal and receiving end
The angle of square plane is with receiving end place
3. two-dimensional ultrasonic anemometer according to claim 1, it is characterised in that the transmitting terminal is with 90 ° of direction angles
Ultrasonic wave transmitting terminal.
4. two-dimensional ultrasonic anemometer according to claim 1, it is characterised in that be integrated in main casing control circuit with
Telecommunication circuit.
5. two-dimensional ultrasonic anemometer according to claim 4, it is characterised in that the control circuit uses GP22, with control
The driving signal of energy converter processed, and the return signal of energy converter is received, the computing relay time.
6. two-dimensional ultrasonic anemometer according to claim 5, it is characterised in that the telecommunication circuit uses
STM32F103ZET6, STM32F103ZET6 the reception delay time calculate air speed data, and output wind speed data.
7. two-dimensional ultrasonic anemometer according to claim 2, it is characterised in that the spacing of the adjacent receiving end is
70.7mm, the distance between transmitting terminal and receiving end are 82mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006781.5U CN209215416U (en) | 2018-06-27 | 2018-06-27 | A kind of two-dimensional ultrasonic anemometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821006781.5U CN209215416U (en) | 2018-06-27 | 2018-06-27 | A kind of two-dimensional ultrasonic anemometer |
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| Publication Number | Publication Date |
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| CN209215416U true CN209215416U (en) | 2019-08-06 |
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| CN201821006781.5U Active CN209215416U (en) | 2018-06-27 | 2018-06-27 | A kind of two-dimensional ultrasonic anemometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561744A (en) * | 2020-07-17 | 2023-01-03 | 深圳市安卫普科技有限公司 | Nonlinear node detection method and detector |
-
2018
- 2018-06-27 CN CN201821006781.5U patent/CN209215416U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115561744A (en) * | 2020-07-17 | 2023-01-03 | 深圳市安卫普科技有限公司 | Nonlinear node detection method and detector |
| CN115561744B (en) * | 2020-07-17 | 2023-11-17 | 深圳市安卫普科技有限公司 | Nonlinear node detection method and detector |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231213 Address after: 211500 No. 59 Wang Qiao Road, Xiongzhou Street, Liuhe District, Nanjing City, Jiangsu Province Patentee after: Nanjing Xiaoyang Electronic Technology Co.,Ltd. Address before: No. 219, ningliu Road, Jiangbei new district, Nanjing, Jiangsu 210019 Patentee before: Nanjing University of Information Science and Technology |
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| TR01 | Transfer of patent right |