CN103728463A - Ultrasonic wind meter and measuring method - Google Patents

Ultrasonic wind meter and measuring method Download PDF

Info

Publication number
CN103728463A
CN103728463A CN201310747370.7A CN201310747370A CN103728463A CN 103728463 A CN103728463 A CN 103728463A CN 201310747370 A CN201310747370 A CN 201310747370A CN 103728463 A CN103728463 A CN 103728463A
Authority
CN
China
Prior art keywords
module
ultrasound wave
main control
ultrasonic
wind speed
Prior art date
Application number
CN201310747370.7A
Other languages
Chinese (zh)
Other versions
CN103728463B (en
Inventor
张自嘉
陆健
张丽萍
李贺
Original Assignee
南京信息工程大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 南京信息工程大学 filed Critical 南京信息工程大学
Priority to CN201310747370.7A priority Critical patent/CN103728463B/en
Publication of CN103728463A publication Critical patent/CN103728463A/en
Application granted granted Critical
Publication of CN103728463B publication Critical patent/CN103728463B/en

Links

Abstract

The invention provides an ultrasonic wind meter and a measuring method. The ultrasonic wind meter comprises a meter shell, a wind speed and direction measuring module, a direction correction module and a main control module. According to the ultrasonic wind meter and the measuring method, one ultrasonic transmitter and three ultrasonic receivers are adopted, a circuit structure is made to be simpler, and the wind speed and direction can be measured by only sending ultrasonic waves for one time. The ultrasonic wind meter is provided with the direction correction module, the mounting direction of equipment does not need to be taken into consideration when the equipment is mounted, a measuring direction can be corrected to a preset direction in a measuring process, the mounting flow is simplified, and accuracy of measuring is improved. The ultrasonic wind meter is simple in circuit design, easy and convenient to mount, simple in measuring method and accurate in measuring result.

Description

Ultrasound bearing and measuring method

technical field:

The present invention relates to wind speed and direction fields of measurement, relate in particular to the measuring method of a kind of ultrasound bearing and wind speed and direction.

background technology:

Anemoscope all plays an important role at meteorology, civil aviaton, highway, agricultural and new energy field.Ultrasonic type anemoscope has become the main flow of anemoscope application and development at present.

Current ultrasonic type anemoclinograph is mainly the measuring principle based on time difference method and phase difference method, device is in design, often need ultrasonic sensor to be placed in the direction identical with geographical north and south, thing, when user uses, often need to proofread and correct and install according to predefined direction and geographical north and south, east-west direction, if installation direction generation error, can cause measurement result to make a mistake.Meanwhile, existing ultrasonic wind velocity indicator adopts timesharing principle mostly, and a pair of ultrasonic transducer sending and receiving signal in turn, needs to measure often, and circuit structure is complicated, often owing to repeatedly measuring and causing measurement result to have error.

summary of the invention:

The object of the present invention is to provide that a kind of circuit structure is simple, simple installation, measurement result ultrasound bearing accurately.

Another object of the present invention is to provide a kind of measuring method of wind speed and direction, the method measuring process is easy, result is accurate.

Technical scheme of the present invention is as follows:

Ultrasound bearing comprises casing, wind speed and direction measurement module, correction for direction module and a main control module,

Described casing comprises mounting box and lower mounting box, and upper mounting box is connected by support with lower mounting box, and described lower mounting box below is provided with installation column, for supporting fixation;

Wind speed and direction measurement module comprises a ultrasound wave emission sensor and three ultrasound wave receiving sensors, and they are connected with main control module respectively; Described correction for direction module is also connected with main control module;

Described main control module and correction for direction module are placed in lower mounting box, three ultrasound wave receiving sensors are embedded in lower mounting box and are equilateral triangle and distribute, ultrasound wave emission sensor is embedded in mounting box, ultrasound wave emission sensor is positioned at directly over three ultrasound wave receiving sensors, and the corresponding center that is positioned at the equilateral triangle of three ultrasound wave receiving sensors formation.

Described main control module comprises CPLD/FPGA controller, power module, RS485 interface module, ultrasonic drive circuit, temperature compensation module, signal conditioning circuit and threshold value comparator circuit, described power module, RS485 interface module, temperature compensation module, ultrasonic drive circuit and threshold value comparator circuit are all connected with CPLD/FPGA controller, described power module is also connected with ultrasonic drive circuit module, described ultrasound wave emission sensor is connected with ultrasonic drive circuit module, and described ultrasound wave receiving sensor is connected with signal conditioning circuit.

Correction for direction module comprises a magnetometric sensor.Ultrasound wave emission sensor and ultrasound wave receiving sensor have certain radiation direction angle of release.

Utilize above-mentioned anemometer to carry out the method for wind speed and direction measurement, comprise the following steps:

1) main control module obtains ambient temperature data, according to calculating, determines temperature compensation;

2) main control module generation signal makes ultrasound wave emission sensor send pulse signal, and starts the counter corresponding with ultrasound wave receiving sensor in main control module simultaneously;

3) when ultrasonic pulse signal is received by three ultrasound wave receiving sensors respectively, the signal receiving amplifies processing through follow-up signal modulate circuit separately respectively, and produce each self-corresponding counter interruption stop signal through threshold value comparator circuit, obtain respectively ultrasonic pulse and receive institute's elapsed time from sending to Bei Ge road ultrasonic receiver;

4) main control module obtains data by magnetometric sensor and carries out wind speed and direction correction, and obtains surveyed wind speed and direction;

5) main control module is exported data by RS485 interface module.

the present invention has following beneficial effect:

1. ultrasound bearing of the present invention adopts a ultrasonic transmitter and three ultrasonic receivers, makes circuit structure simpler.In measuring process, only by once sending ultrasound wave, just can measure wind speed and direction.

2. ultrasound bearing of the present invention has correction for direction module, can, without the problem of considering equipment installation direction when equipment is installed, in measuring process, can realize direction of measurement is adapted to the direction pre-establishing, simplify the flow process of installing, improved the accuracy of measuring.

3. ultrasound bearing circuit design of the present invention is simple, cost is low, and circuit adopts modular design.

4. environmental suitability of the present invention is strong.Upper mounting box can block sleet and sand and dust, reduces the impact of foreign matter on measuring wind speed, goes up mounting box simultaneously and also can stop the interference of the wind in vertical direction, has improved whole system measuring accuracy.

accompanying drawing explanation:

Fig. 1 is the structural representation of ultrasound bearing.

The plan structure schematic diagram of Fig. 2 ultrasound bearing.

Fig. 3 is main control module the electric circuit constitute block diagram.

Fig. 4 utilizes magnetometric sensor to be proofreaied and correct surveying parameter by wind speed and direction measuring device of the present invention, thereby draws the Method And Principle schematic diagram of the wind speed and direction parameter under actual environment condition.

Fig. 5 is ultrasound wave emission sensor transmitting driving circuit of the present invention.

Fig. 6 is ultrasound wave sensor-lodging modulate circuit of the present invention and threshold value comparator circuit schematic diagram.

Fig. 7 is correction for direction modular circuit schematic diagram of the present invention.

Fig. 8 is temperature-compensation circuit schematic diagram.

In figure: the upper mounting box of 1-; 21-support; 22-support; 23-support; 31-ultrasound wave receiving sensor A; 32-ultrasound wave receiving sensor B; 33-ultrasound wave receiving sensor C; 4-ultrasound wave emission sensor; 5. descend mounting box; 6. column is installed.

embodiment:

Below in conjunction with the drawings and specific embodiments, the present invention will be described.

As shown in Figure 1 and Figure 2, ultrasound bearing of the present invention comprises casing, wind speed and direction measurement module, correction for direction module and main control module.

Casing comprises mounting box 1 and lower mounting box 5, and upper mounting box 1 is connected by support 3 with lower mounting box 5, and lower mounting box 5 bottoms are connected to installs on column 6, column is installed and is used for supporting fixation.Upper mounting box 1 is oppositely arranged with lower mounting box 5, and connects as one by three supports.

Wind speed and direction measurement module comprises a ultrasound wave emission sensor 4 and three ultrasound wave receiving sensor A, B, C, and they are connected with main control module respectively; Correction for direction module is also connected with main control module;

Main control module and correction for direction module are placed in lower mounting box 5, three ultrasound wave receiving sensors are embedded in lower mounting box 5 and are equilateral triangle and distribute, ultrasound wave emission sensor 4 is embedded in mounting box 1, ultrasound wave emission sensor 4 is positioned at directly over three ultrasound wave receiving sensors, and the corresponding center that is positioned at the equilateral triangle of three ultrasound wave receiving sensors formation.Its orthogonal projection is positioned at leg-of-mutton center.

As shown in Figure 3, main control module comprises: CPLD/FPGA controller, power module, RS485 interface module, ultrasonic drive circuit, temperature compensation module, signal conditioning circuit and threshold value comparator circuit, described power module, RS485 interface module, temperature compensation module, ultrasonic drive circuit and threshold value comparator circuit are all connected with CPLD/FPGA controller.

Ultrasonic transmitter in the present embodiment/ultrasonic receiver selects to have certain radiation direction angle of release, can be reliable and stable with the ultrasonic pulse signal that guarantees to be sent by ultrasonic transmitter by ultrasonic receiver, received.

The ultrasound wave transmitting/receiving sensor of selecting in the present invention has higher sensitivity and has certain angle of release, and adopting model is the transmitting-receiving integrated sensor of DYA-125-02A, forms wind speed and direction measurement module.

In main control module of the present invention, CPLD/FPGA controller adopts the CPLD chip EPM240T100C5 of altera corp, its stable performance, low-power consumption, cost performance are high, have can parallel processing characteristic, can realize the signal of 3 road ultrasound wave modulate circuits is processed simultaneously.

In Fig. 5, provided above-mentioned ultrasonic drive circuit (being ultrasound wave emission sensor transmitting driving circuit).In figure, QU1 is connected with the I/O pin of controller CPLD, by controller CPLD, produced the break-make of Signal-controlled switch triode Q1, thereby make the secondary of transformer T1 produce the DC pulse voltage of 120V left and right, drive ultrasonic transmitter FS1 to produce one section of ultrasonic pulse signal.

Above-mentioned signal conditioning circuit (being ultrasound wave sensor-lodging modulate circuit) and threshold value comparator circuit schematic diagram in Fig. 6, have been provided.In figure, ultrasonic receiver FS2 receives the ultrasonic signal that ultrasonic transmitter sends, the two-stage amplifying circuit that signal forms via operational amplifier U1 amplifies processes generation subsequent conditioning circuit required voltage signal, and deliver to the threshold value comparator circuit that comparer U2 forms and produce timing look-at-me, look-at-me is sent into the port that CPLD is connected with INT2 and is processed.

As shown in Figure 7, in the present invention, adopting model is the magnetometric sensor formation correction for direction module of LSM303DLM, and this chip adopts I2C agreement to carry out data transmission, has higher data transmission rate.Its circuit theory diagrams as shown in Figure 7.This chip controls port is directly connected with CPLD with FPDP pin, and CPLD produces interruption control signal by INT1 and INT2 pin and reads current installation position angular data, and direction sensor passes through I 2c interface is sent data into CPLD and is processed realization to correction for direction.

In anemoscope measuring process, master controller need to obtain current ambient temperature data and comes that in real time measuring unit is carried out to temperature compensation and guarantee measuring accuracy.Temperature compensation module in the present invention mainly comprises temperature sensing circuit and low temperature compensation circuit, temperature sensing circuit adopts digital temperature sensor DS18B20 chip to form detection module, its low temperature temperature-measuring range can reach-55 degrees Celsius, temperature measurement error is less than 0.5 degree Celsius, measuring accuracy is high, in use, without any need for peripheral cell, temperature measurement circuit is simple, and it is directly connected with CPLD controller.Figure 8 shows that low temperature compensation circuit, heating wire H1 is positioned over respectively in mounting box and lower mounting box, realization is heated the region between upper and lower mounting box, and compensating circuit control end Con1 is directly connected with CPLD, controls heating wire work by gauge tap triode Q5 break-make.

Ultrasound bearing of the present invention is carried out the measuring method of wind speed and direction, specifically comprises the following steps:

In Fig. 4, be two coordinate systems, coordinate system when dotted line is actual installation, solid line is the coordinate system that will be adapted to.In following steps, step (4) and step (5) are to carry out calculation of wind speed wind direction value for solid line coordinate system, and other are to carry out according to dotted line coordinate system.

(1) master controller CPLD/FPGA obtains temperature compensation module data, judges whether to carry out temperature compensation, and by compensation, making the velocity of sound in measuring process, maintain all the time steady state value is 340m/s.The computing formula of temperature compensation is as follows:

Wherein for the velocity of sound, for current ring increases temperature value;

(2) by master controller CPLD/FPGA, producing signal makes ultrasonic drive circuit module drive ultrasonic transmitter send pulse signal, and start master controller CPLD/FPGA inside simultaneously with 3 counters that ultrasonic receiver is corresponding, when ultrasonic pulse signal is received by the ultrasonic receiver in lower mounting box respectively;

(3) signal that ultrasonic receiver receives amplifies processing through follow-up signal modulate circuit separately respectively, and produce each self-corresponding counter interruption stop signal through threshold value comparator circuit, obtain respectively ultrasonic pulse and receive the elapsed time t of institute from sending to Bei Ge road ultrasonic receiver, by calculating, can obtain the air speed value component on each limit in the equilateral triangle structure that 3 ultrasonic receivers form:

Wherein be air speed value on the equilateral triangle structure top that forms of 3 ultrasonic receivers, c is the velocity of sound, and t is that ultrasonic pulse signal sends to by ultrasonic receiver and receives the time of being propagated from ultrasonic transmitter, the angle, maximum cross-section of the space structure forming for ultrasonic transmitter and 3 ultrasonic receivers.

(4) master controller obtains corresponding data by magnetometric sensor and carries out wind speed and direction correction and obtain surveyed wind speed and direction;

(5) last master controller is sent data by RS485 interface module.

Fig. 4 utilizes magnetometric sensor to be proofreaied and correct surveying parameter by wind speed and direction measuring device of the present invention, thereby draws the Method And Principle schematic diagram of the wind speed and direction parameter under actual environment condition.Wherein X, Y dotted line coordinate are whole wind speed and direction measuring device geographic orientation pointed while installing, and X, Y dotted line coordinate are for take the coordinate system that sensors A sets up on assigned direction.Solid line coordinate is the coordinate on actual geographic north and south, east-west direction, wherein angle r is the deflection angle on the actual installation direction measured of magnetometric sensor and geographical north and south, east-west direction, and in Fig. 4, A, B, C are 3 ultrasonic receivers on lower mounting box in Fig. 1 schematic diagram.Angle a is the angle, maximum cross-section of the space structure of ultrasonic transmitter and 3 ultrasonic receiver formations.

As shown in Figure 4, establishing ultrasonic pulse signal that the ultrasonic transmitter in upper mounting box sends arrives ultrasonic receiver A, the B in lower mounting box, the time that C propagates and is: .

According to formula , can draw the wind speed component value of air speed value on each limit of equilateral triangle of A, B, C composition:

According to equilateral triangle fundamental theorem, can obtain the wind speed component value of the wind direction shown in figure in installation direction X, Y-direction :

The data that read according to magnetometric sensor, can obtain the direction of actual geographic north and south, thing and the angle of deviation r of installation direction, can draw the air speed value component of actual wind according to this deflection angle , and can draw wind direction according to this air speed value air quantity:

The principle synthetic according to vector, can draw the value of actual wind speed and wind direction:

Claims (7)

1. a ultrasound bearing, is characterized in that: comprise casing, wind speed and direction measurement module, correction for direction module and main control module,
Described casing comprises mounting box and lower mounting box, and upper mounting box is connected by support with lower mounting box, and described lower mounting box below is provided with installation column, for supporting fixation;
Wind speed and direction measurement module comprises a ultrasound wave emission sensor and three ultrasound wave receiving sensors, and they are connected with main control module respectively; Described correction for direction module is also connected with main control module;
Described main control module and correction for direction module are placed in lower mounting box, three ultrasound wave receiving sensors are embedded in lower mounting box and are equilateral triangle and distribute, ultrasound wave emission sensor is embedded in mounting box, ultrasound wave emission sensor is positioned at directly over three ultrasound wave receiving sensors, and the corresponding center that is positioned at the equilateral triangle of three ultrasound wave receiving sensors formation.
2. ultrasound bearing as claimed in claim 1, it is characterized in that: described main control module comprises CPLD/FPGA controller, power module, RS485 interface module, ultrasonic drive circuit, temperature compensation module, signal conditioning circuit and threshold value comparator circuit, described power module, RS485 interface module, temperature compensation module, ultrasonic drive circuit and threshold value comparator circuit are all connected with CPLD/FPGA controller, described power module is also connected with ultrasonic drive circuit module, described ultrasound wave emission sensor is connected with ultrasonic drive circuit module, described ultrasound wave receiving sensor is connected with signal conditioning circuit.
3. ultrasound bearing as claimed in claim 1 or 2, is characterized in that: described correction for direction module comprises a magnetometric sensor.
4. ultrasound bearing as claimed in claim 1 or 2, is characterized in that: described ultrasound wave emission sensor and ultrasound wave receiving sensor have certain radiation direction angle of release.
5. a method of utilizing the described anemometer of one of claim 1 to 4 to carry out wind speed and direction measurement, comprises the following steps:
Main control module obtains ambient temperature data, according to calculating, determines temperature compensation;
Main control module produces signal makes ultrasound wave emission sensor send pulse signal, and starts the counter corresponding with ultrasound wave receiving sensor in main control module simultaneously;
When ultrasonic pulse signal is received by three ultrasound wave receiving sensors respectively, the signal receiving amplifies processing through follow-up signal modulate circuit separately respectively, and produce each self-corresponding counter interruption stop signal through threshold value comparator circuit, obtain respectively ultrasonic pulse and receive institute's elapsed time from sending to Bei Ge road ultrasonic receiver;
Main control module obtains data by magnetometric sensor and carries out wind speed and direction correction, and obtains surveyed wind speed and direction;
Main control module is exported data by RS485 interface module.
6. the measuring method of wind speed and direction as claimed in claim 5, it is characterized in that: in described step (1), main control module obtains the ambient temperature data of Current Temperatures compensating circuit module, determine whether to carry out corresponding temperature compensation, by compensation, making the velocity of sound in measuring process, maintain all the time steady state value is 340m/s;
The computing formula of temperature compensation is as follows:
Wherein for the velocity of sound, for current environmental temperature value.
7. the measuring method of wind speed and direction as claimed in claim 6, it is characterized in that: in described step (4), the ultrasonic pulse signal that the ultrasound wave emission sensor obtaining by measurement is sent arrives the time that three road ultrasound wave receiving sensor device A, B, C propagate and is: , angle r is the deflection angle on the actual installation direction measured of magnetometric sensor and geographical north and south, east-west direction,
C is the velocity of sound, can draw the wind speed component value of air speed value on each limit of equilateral triangle of A, B, C composition:
According to equilateral triangle fundamental theorem, can obtain the wind speed component value of the wind direction shown in figure in installation direction X, Y-direction :
The data that read according to magnetometric sensor, can obtain the direction of actual geographic north and south, thing and the angle of deviation r of installation direction, can draw the air speed value component of actual wind according to this deflection angle , and can draw wind direction according to this air speed value air quantity:
The principle synthetic according to vector, can draw the value of actual wind speed and wind direction:
CN201310747370.7A 2013-12-31 2013-12-31 Ultrasonic wind meter and measuring method CN103728463B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310747370.7A CN103728463B (en) 2013-12-31 2013-12-31 Ultrasonic wind meter and measuring method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310747370.7A CN103728463B (en) 2013-12-31 2013-12-31 Ultrasonic wind meter and measuring method

Publications (2)

Publication Number Publication Date
CN103728463A true CN103728463A (en) 2014-04-16
CN103728463B CN103728463B (en) 2015-12-09

Family

ID=50452625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310747370.7A CN103728463B (en) 2013-12-31 2013-12-31 Ultrasonic wind meter and measuring method

Country Status (1)

Country Link
CN (1) CN103728463B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897924A (en) * 2015-04-30 2015-09-09 中国科学技术大学 Two-dimensional reflection type supersonic wave wind speed anemoscope and measuring method
CN104897925A (en) * 2015-06-24 2015-09-09 吉林大学 Ultrasonic wind speed and direction measurement device and measurement method
WO2015166428A1 (en) * 2014-04-30 2015-11-05 北京爱信德科技有限公司 Ultrasound wind measurement device and method
CN105223380A (en) * 2015-10-19 2016-01-06 国家电网公司 Transmission line of electricity ultrasound wave self-correcting wind speed and direction monitoring system
CN106405146A (en) * 2016-09-10 2017-02-15 浙江大学 Wind speed and wind direction measuring method based on ultrasonic resonance principles
CN109425752A (en) * 2017-08-23 2019-03-05 高雄应用科技大学 Ultrasonic wind speed measuring device
CN109813930A (en) * 2019-03-12 2019-05-28 吉林大学 Speed and wind direction measuring method for wind based on reflecting type ultrasonic sensor array
CN109991441A (en) * 2019-05-06 2019-07-09 南京俊禄科技有限公司 A kind of automatic calibrating method of wind direction speed instrument
CN110346600A (en) * 2019-08-21 2019-10-18 南京信息工程大学 A kind of ultrasonic wind speed and direction measurement method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890488A (en) * 1988-03-03 1990-01-02 Simecsol Ultrasonic anemometer
CN101750516A (en) * 2009-12-24 2010-06-23 北京汉能华科技有限公司 Anemometer and method for measuring wind speed and wind direction
CN102175887A (en) * 2011-01-26 2011-09-07 南京信息工程大学 Mobile ultrasonic anemoclinograph and method for measuring wind speed and direction
CN202133677U (en) * 2011-05-13 2012-02-01 西南交通大学 Air pressure correction ultrasonic anemoclinograph framework
JP5029993B2 (en) * 2008-03-24 2012-09-19 光進電気工業株式会社 Ultrasonic wind speed device
CN203643467U (en) * 2013-12-31 2014-06-11 南京信息工程大学 Ultrasonic wind meter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4890488A (en) * 1988-03-03 1990-01-02 Simecsol Ultrasonic anemometer
JP5029993B2 (en) * 2008-03-24 2012-09-19 光進電気工業株式会社 Ultrasonic wind speed device
CN101750516A (en) * 2009-12-24 2010-06-23 北京汉能华科技有限公司 Anemometer and method for measuring wind speed and wind direction
CN102175887A (en) * 2011-01-26 2011-09-07 南京信息工程大学 Mobile ultrasonic anemoclinograph and method for measuring wind speed and direction
CN202133677U (en) * 2011-05-13 2012-02-01 西南交通大学 Air pressure correction ultrasonic anemoclinograph framework
CN203643467U (en) * 2013-12-31 2014-06-11 南京信息工程大学 Ultrasonic wind meter

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015166428A1 (en) * 2014-04-30 2015-11-05 北京爱信德科技有限公司 Ultrasound wind measurement device and method
CN104897924A (en) * 2015-04-30 2015-09-09 中国科学技术大学 Two-dimensional reflection type supersonic wave wind speed anemoscope and measuring method
CN104897924B (en) * 2015-04-30 2017-11-07 中国科学技术大学 A kind of two-dimentional reflecting type ultrasonic anemoclinograph and measuring method
CN104897925A (en) * 2015-06-24 2015-09-09 吉林大学 Ultrasonic wind speed and direction measurement device and measurement method
CN104897925B (en) * 2015-06-24 2017-11-24 吉林大学 Ultrasonic wind speed and direction measuring device and measuring method
CN105223380A (en) * 2015-10-19 2016-01-06 国家电网公司 Transmission line of electricity ultrasound wave self-correcting wind speed and direction monitoring system
CN106405146A (en) * 2016-09-10 2017-02-15 浙江大学 Wind speed and wind direction measuring method based on ultrasonic resonance principles
CN109425752A (en) * 2017-08-23 2019-03-05 高雄应用科技大学 Ultrasonic wind speed measuring device
CN109813930A (en) * 2019-03-12 2019-05-28 吉林大学 Speed and wind direction measuring method for wind based on reflecting type ultrasonic sensor array
CN109813930B (en) * 2019-03-12 2020-12-22 吉林大学 Wind speed and direction measuring method based on reflective ultrasonic sensor array
CN109991441A (en) * 2019-05-06 2019-07-09 南京俊禄科技有限公司 A kind of automatic calibrating method of wind direction speed instrument
CN110346600A (en) * 2019-08-21 2019-10-18 南京信息工程大学 A kind of ultrasonic wind speed and direction measurement method

Also Published As

Publication number Publication date
CN103728463B (en) 2015-12-09

Similar Documents

Publication Publication Date Title
EP2901539B1 (en) System, method and apparatus for generating layout of devices in solar installations
CN102252646B (en) Dam and side slope three-dimensional continuous deformation monitoring system
CN102538742B (en) Deformation measurement and early warning system and method integrating satellite positioning and accelerometer
CN103630705B (en) A kind of measuring method utilizing solid state two dimensional wind speed and direction measuring instrument
US8972180B1 (en) Method and apparatus for managing multiple sensors in a navigation system
Han et al. Two-dimensional ultrasonic anemometer using the directivity angle of an ultrasonic sensor
CN102360088B (en) Air data computer and realization method thereof
US9970799B2 (en) System of ultrasonic consumption meters with pressure sensors
CN103163324B (en) A kind of wind energy turbine set three-dimensional ultrasonic wind speed system for detecting temperature and measuring method thereof
CN202329893U (en) Wireless testing sensor of pumping unit indicator diagram
CN104897924B (en) A kind of two-dimentional reflecting type ultrasonic anemoclinograph and measuring method
CN201589784U (en) Parallel three-dimensional wind-measuring sensor
CN105628117A (en) Radar channel flow measurement system and method
CN203744915U (en) System for monitoring dam body
CN105163386A (en) Indoor positioning system and method based on wireless beacons
CN108318092B (en) Flow measuring device for non-full pipe drainage pipeline
CN102997846A (en) Full-airplane horizontal measurement method based on work space measurement location system
CN102226931B (en) Vehicle detection device
CN204142233U (en) A kind of intelligent land area measuring device
CN202339352U (en) High-accuracy solid-state wind speed and direction measuring device
CN101692097A (en) Anemoclinograph wind meter
US8718971B2 (en) System for determining the airspeed of an aircraft
CN103472503B (en) Sonde and upper air wind finding method based on INS
CN104183155A (en) Device for detecting parking space in parking lot and detection method
CN104239959A (en) Geographical disaster prediction system

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151209

Termination date: 20181231

CF01 Termination of patent right due to non-payment of annual fee