CN201984080U - Movable type ultrasonic wave anemorumbograph - Google Patents

Movable type ultrasonic wave anemorumbograph Download PDF

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Publication number
CN201984080U
CN201984080U CN2011200258956U CN201120025895U CN201984080U CN 201984080 U CN201984080 U CN 201984080U CN 2011200258956 U CN2011200258956 U CN 2011200258956U CN 201120025895 U CN201120025895 U CN 201120025895U CN 201984080 U CN201984080 U CN 201984080U
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China
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ultrasonic wave
ultrasonic
circuit board
control circuit
microprocessor
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CN2011200258956U
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张自嘉
葛志鑫
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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Abstract

The utility model discloses a movable type ultrasonic wave anemorumbograph which comprises an ultrasonic wave wind speed and wind direction measuring unit, a movable type system carrier speed measuring unit and a carrier direction measuring unit. The wind speed and wind direction measuring unit comprises a substrate, a control circuit board, six measuring arms and six ultrasonic wave transmitting/receiving sensors, the six measuring arms are respectively connected with the substrate to form inclined angles of 60 degrees sequentially, and each measuring arm is provided with one ultrasonic wave sensor. The system carrier speed measuring unit and the carrier direction measuring unit comprise a speed sensor and a direction measuring part which are respectively connected with the control circuit board. The control circuit board comprises a power supply, a microprocessor, an accessory circuit, an ultrasonic wave transmitting drive circuit and an ultrasonic wave receiving circuit. The ultrasonic wave transmitting drive circuit and the ultrasonic wave receiving circuit are connected with the control end and the interrupt end of the microprocessor. The movable type ultrasonic wave anemorumbograph can be used for wind speed and wind direction measurement in the stationary type or movable type meteorological observation fields such as navigation and cars.

Description

The mobile ultrasonic anemoclinograph
Technical field
The utility model relates to the wind speed and direction field of measuring technique, particularly a kind of mobile ultrasonic wind speed bearing, be a kind of applicable to steamer, automobile or gas on-site monitoring etc. the wind speed and direction surveying instrument under the portable or fixed situation.
Background technology
Present existing anemoclinograph is mainly fixed anemometer; And detect and the measurement of dangerous gas and the fields such as construction of portable weather station in environment measuring, navigation, industrial air channel, because it is mobile that the direction of detection system itself and speed etc. are engraved in when all being, and conventional fixed formula anemometer is not owing to measure and revise aspects such as direction and speed, therefore, fixed anemoclinograph can't satisfy the wind speed and direction measurement application under the portable situation of system in the applied environments such as steamer, automobile, wind energy turbine set; And traditional mechanical anemometer is owing to exist sealing problem, makes that anemoscope may operate as normal in northern sandstorm weather, also can be because of freezing the generation of phenomenons such as moving component is stuck under low temperature environment; Simultaneously, the mechanical type anemometer is owing to exist shortcoming such as mechanical wear, the serviceable life of having reduced instrument; The heat-sensitive type anemoscope is not suitable for measuring higher slightly wind speed because be subjected to the influence of variation of ambient temperature easily again; The ultrasound wave anemometer of Shi Yonging in recent years, owing to use 8/16 to wait the low level single-chip microcomputer as microprocessor, the system that makes all can cause certain restriction and error aspect data processing, communication, the measuring accuracy; In addition, because the existence of ultrasonic sensor shadow effect is surveyed wind and can be caused big survey two errors in the plane.
Summary of the invention
The purpose of this utility model is to provide a kind of mobile ultrasonic wind speed and wind direction measuring instrument.This instrument is measured the mistiming that arrives receiving end with positive and negative two different directions ultrasonic waves transmitted of air flow by relatively-stationary three pairs of ultrasonic emitting/receiving sensor, utilize time difference method to calculate the speed of air flow, and utilize instrument speed measuring sensor and orientation measurement parts that the data of system are revised, thereby obtain the wind speed and direction parameter on the three dimensions and represent wind speed and direction parameter in the plane of wind speed and direction under the actual environment condition.
For achieving the above object, the utility model provides a kind of mobile ultrasonic anemoclinograph, it comprises ultrasound wave tri-dimensional wind speed wind direction measuring unit, portable system bearer rate measuring unit and system carrier direction detection unit, wherein, described ultrasound wave tri-dimensional wind speed wind direction measuring unit comprises pedestal, control circuit board, three long gage beams and three short gage beams and six ultrasonic emitting/receiving sensors, six gage beams link to each other with pedestal respectively, and become 60 degree angles successively between long and short gage beam and the contact that pedestal links to each other; Six gage beams are installed a ultrasonic emitting/receiving sensor away from an end of pedestal, become the sensor on 180 two gage beams of spending also to become 180 degree relatively relatively, and the distance between the paired sensor all equates; Described control circuit board comprises power supply, microprocessor and accessory circuit, ultrasonic emitting driving circuit and signal receiving circuit, and described ultrasonic emitting driving circuit, signal receiving circuit connect the control end and the middle broken ends of fractured bone of microprocessor respectively.
The velocity survey unit of portable system of the present utility model carrier comprises a speed pickup, and is connected with control circuit board by lead.The direction detection unit of described portable system carrier comprises direction detection parts, and is connected with microprocessor by the RS232 interface.
The mobile ultrasonic anemoclinograph that the utility model provides also comprises the temperature sensor that is installed on the control circuit board, and this temperature sensor links to each other with microprocessor, is used for measures ambient temperature, and imports measurement result into microprocessor.Accordingly, also be provided with the low-temperature heat circuit on described control circuit board, this low-temperature heat circuit is connected with the control end of microprocessor.
The mobile ultrasonic anemoclinograph that the utility model provides also comprises liquid crystal display and button, and they link to each other with the input and output circuit of microprocessor respectively.
The mobile ultrasonic anemoclinograph that the utility model provides is provided with the interface circuit of communicating by letter with host computer.
The control circuit board of the mobile ultrasonic anemoclinograph that the utility model provides is installed in the pedestal.
Said apparatus utilizes portable carrier speed of system and direction detection unit that the survey parameter is revised, thereby draws the method for the wind speed and direction parameter under the actual environment condition.Specific step comprises:
Utilize three pairs of ultrasonic emitting/receiving sensors to measure wind speed and direction parameter in the three dimensions;
Utilize system portable carrier velocity survey unit to measure portable carrier translational speed at that time;
Utilize system portable carrier direction detection unit to measure portable carrier direction parameter at that time;
In conjunction with speed of measuring and direction parameter, according to three-dimensional space vectors add, subtraction, the wind speed and direction parameter that ultrasound wave tri-dimensional wind speed wind direction measuring unit is measured is carried out the correction of portable situation, thereby draws the wind speed and direction parameter under the actual environment condition.
The utility model compared with prior art has following advantage:
1, utilize velocity survey element and directional component to carry out the correction of systematic survey data, not only solve fixed instrument and can't satisfy the technical matters that wind speed and direction is measured under the portable situation, adopt reliable direction detection parts to carry out the direction location of system simultaneously, the place such as solved in the mountain area and be blocked and accurately to obtain the technical matters of bearing data.
2, the ultrasonic signal that adopts high frequency has not only improved the measuring accuracy and the resolution of system as measuring with signal and in conjunction with the microprocessor that adopts high primary frequency, has also improved the communication capacity of system; Simultaneously, adopt the unique circuit design to reduce of the influence of the shadow effect of ultrasonic sensor to measuring accuracy; Solved that the prior art measuring accuracy is low, automaticity high-technology problem not.
3, utilize ultrasonic technology to carry out the measurement of wind speed and direction,, therefore be not subject to the influence of environment, can be applicable to the measurement of the wind speed and direction under the adverse weather condition owing to there is not action component; Solved prior art serviceable life short, be subjected to the technical matterss such as influence of environmental baseline easily.
Description of drawings
Fig. 1 is a mobile ultrasonic anemoclinograph structure composition frame chart;
Fig. 2 is the circuit of measurement and control theory diagram;
Fig. 3 is a ultrasound wave tri-dimensional wind speed wind direction measuring unit structural representation;
Fig. 4 is ultrasonic sensor emission driving circuit figure;
Fig. 5 is a ultrasound wave receiving circuit schematic diagram;
Fig. 6 is a speed pickup input signal treatment circuit schematic diagram;
Fig. 7 is the low-temperature heat circuit theory diagrams;
Fig. 8 is the program flow chart that wind speed and direction is measured under the portable situation.
Embodiment
Below in conjunction with accompanying drawing utility model is further described:
Be mobile ultrasonic anemoclinograph structure composition frame chart of the present utility model as shown in Figure 1, its ultrasonic wind speed and direction measuring unit is responsible for measuring the wind speed and direction parameter under the situation of movement, the translational speed number of carrier when system's bearer rate measuring unit is responsible for measuring system and is moved, the direction parameter of carrier when system is responsible for measuring system in carrier orientation measurement unit and moves, system control unit then is responsible for the wind speed and direction parameter that situation of movement is surveyed is down carried out system's correction, and then calculates the wind speed and direction parameter under the actual environment condition.The structural representation of the ultrasound wave tri-dimensional wind speed wind direction measuring unit in the mobile ultrasonic anemoclinograph that provides for the utility model is provided, the ultrasonic wind speed and direction measuring unit that the utility model provides comprises pedestal 1, control circuit board and six gage beams that are installed on the pedestal: first gage beam 21, second gage beam 22, the 3rd gage beam 23, the 4th gage beam 24, the 5th gage beam 25, the 6th gage beam 26, six gage beams comprise three isometric long gage beams and three isometric short gage beams, 60 degree of being separated by successively between length gage beam and the contact that pedestal links to each other.On each gage beam, respectively settle a ultrasonic emitting/receiving sensor away from an end of pedestal, be respectively: first ultrasonic emitting/receiving sensor 31, second ultrasonic emitting/receiving sensor 32, the 3rd ultrasonic emitting/receiving sensor 33, the 4th ultrasonic emitting/receiving sensor 34, the 5th ultrasonic emitting/receiving sensor 35, the 6th ultrasonic emitting/receiving sensor 36, and be relatively 180 the degree angles two gage beams on sensor also become 180 the degree angles install relatively, promptly 31 with 34 one-tenth 180 the degree angles install relatively, 32 with 35 one-tenth 180 the degree angles install relatively, 33 with 36 one-tenth 180 the degree angles install relatively, promptly a long gage beam and a short gage beam partner, totally three pairs of gage beams; 31,32,33 with surface level become respectively positive 45 the degree angles, 34,35,36 with surface level become to bear respectively 45 the degree angles, and the distance between the three pairs of sensors all equates, such structural design can reduce the influence of the shadow effect of ultrasonic sensor to wind speed and direction measuring accuracy in the plane greatly, also can measure simultaneously the wind speed and direction parameter in the three dimensions, thus avoided traditional anemoscope can only measurement plane in the shortcoming of wind speed and direction parameter.Ultrasonic emitting/receiving sensor is connected by lead with control circuit board, and control circuit board is installed in the pedestal 1.Be the suitable movability requirement of the structure make anemoclinograph, three short gage beams are formed through twice bending is moulding by firmer material such as stainless steel, copper in the utility model, and long gage beam then bends moulding forming by same material through three times.
Ultrasonic emitting/receiving sensor of selecting for use in the utility model is the ultrasonic sensor FUS-200A with less temperature-coefficient of sound velocity and acoustic impedance, not only can be used as and transmit, also can be used as simultaneously the receiving sensor of ultrasonic signal, therefore, solved the difficulty of discrete installation ultrasonic emitting of conventional ultrasonic wave and receiving sensor.Perhaps also can use the ultrasonic sensor of higher centre frequency, but also can require the emissive power of system to increase to some extent simultaneously.
The microprocessor that adopts on the control circuit board in the utility model is ARM, here select the s3c2440 microprocessor of Samsung for use, its dominant frequency can reach 533MHz, and the incoming frequency of timer makes the timing accuracy of system and measuring accuracy that significantly lifting all be arranged more than more can reaching up to 50MHz.Microprocessor is formed on the control circuit board as the core set of system, Figure 2 shows that the theory diagram of control circuit board and accessory circuit.
The emission driving circuit and the receiving circuit of ultrasonic wind speed and direction measuring unit have been provided among Fig. 4 and Fig. 5.NPN triode among Fig. 4 sends pulse by microprocessor and controls its conducting and end, thereby makes power encourage ultrasonic sensor to produce ultrasonic signal behind transformer.Because ultrasonic emitting/and receiving sensor FUS-200A adopts is single probe form, and therefore, Fig. 4 links to each other with A point among Fig. 5, and the TOUT0 among Fig. 4 all links to each other with the I/O pin of microprocessor with B among Fig. 5; Wherein the major function of transformer is impedance matching and power transmission, and the 12V DC voltage is converted to dc pulse voltage about 50V.
The mobile ultrasonic anemoclinograph can adopt RS485 or RS232 interface circuit and host computer to communicate.In addition, the connection input circuit of integrated speed pickup also on the control circuit board, these circuit theory diagrams as shown in Figure 6, main processing and the transmission of being responsible for the speed pickup input signal, system utilizes speed pickup to the gear (or groove) of ferromagnetic material during through sensor element surface, the voltage that induces this principle that can change, thus produce voltage difference, promptly provide one can measure pulse signal, and the frequency of this measuring-signal is directly proportional with rotating speed.Adopt Hall element N1H-5C-70 as speed pickup in the native system, perhaps use the better speed pickup of other precision to replace, the output signal of speed pickup links to each other with control circuit board through lead; It is same because may there be various interference etc. in actual application environment, therefore, be integrated with the treatment circuit of speed pickup input signal on the control circuit board, be illustrated in figure 6 as this Signal Processing circuit theory diagrams, this signal processing circuit comprises circuit such as current/voltage conversion, shaping, then is connected to the I/O pin of microprocessor.
Because system is when mobile, the direction of himself may change at any time, and therefore, it also is necessary that the direction of system self is detected.Modern technologies are surveyed direction can probably be summed up as two kinds of methods: a kind of is to utilize the GPS positioning system, another kind is the compass class orientation measurement parts that utilize the intrinsic magnetic force of the earth to be developed into, native system adopts has the core component of the electronic compass FNN-3300 of digital communicating ability as the measuring system direction parameter, and be connected with microprocessor by the RS232 interface circuit, make communication have more reliability.
The system of considering may be in 0 0Carry out the detection of wind speed and direction in the environment below the C, because 0 0The following environment of C may make the surface of sensor freeze and cause the measuring accuracy variation of instrument, therefore, also be integrated with ambient temperature detection circuit and low-temperature heat circuit on the control circuit, the core of temperature sensing circuit is digital sensor LM92, and temperature error is less than 1 0C, this temperature sensor are I 2C interface, easy to use, also can the higher temperature sensor of service precision.Figure 7 shows that the low-temperature heat circuit theory diagrams, heating part wherein adopts the heating plate of 12v voltage supply, heating plate can be attached on the inwall of gage beam, respectively install one group at six gage beams near an end of ultrasonic sensor, and install two groups on the control circuit board in pedestal, control end wherein all is connected to the control mouth GPB3 of microprocessor.Be lower than 5 when detecting environment temperature 0During C, this low-temperature heat circuit carries out heating work to the residing gage beam inner region of ultrasonic sensor under the control of microprocessor, is higher than 25 and work as temperature 0During C, this low-temperature heat circuit stops heating work through microprocessor control; The low work that influences system can not crossed because of residing environment temperature by the system that makes.
Power unit provides electric energy for total system, can adopt the form with accumulator rectifier filtering usually, for convenience, can use the storage battery power supply of automobile, steamer etc. self.
Keyboard portion can a kind of utilization ultrasonic measurement wind speed and direction, and utilizes portable carrier speed of system and direction detection unit that the survey parameter is revised, thereby draws the method for the wind speed and direction parameter under the actual environment condition.Described method comprises:
Comprise reset, being provided with etc. of System self-test, communication frequency.
The mobile ultrasonic anemoclinograph that the utility model provides is simple in structure, precision is high, automaticity is high, no rotatable components, overcome the traditional type anemoscope and can not be applied to carry out under the portable situation shortcoming that wind speed and direction is measured, the wind speed and direction that not only can be applicable under the situation of movement is measured, the wind speed and direction that also can be applicable under the fixed situation is measured, and has overcome traditional mechanical formula instrument simultaneously and has relied on action component to carry out defectives such as measuring wind speed and serviceable life is short.In addition, the mobile ultrasonic anemoclinograph that the utility model provides is because the structural design thought that has adopted the speed and wind direction measuring method for wind in the three dimensions and reduced the sensor shadow effect, and the system that makes is enhanced to the measuring accuracy of the wind speed and direction in the plane; Simultaneously, the mobile ultrasonic anemoclinograph that the utility model provides has been owing to adopted measures such as low-temperature heat and structure sealing, makes it not only can be 0 0Use in the low temperature environment below the C, and all have bigger applicability, also overcome simultaneously owing to of the influence of weather conditions such as sand and dust to Instrument measuring precision in fields such as dangerous gas detection, navigation, the detections of industrial air channel; Not only improve the measuring accuracy of mobile ultrasonic anemoclinograph, also enlarged the range of application of ultrasonic wind speed and direction instrument simultaneously.
The above only is a preferable implementation method of the present utility model; not in order to restriction the utility model; all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (7)

1. mobile ultrasonic anemoclinograph, it is characterized in that: it comprises ultrasound wave tri-dimensional wind speed wind direction measuring unit, portable system bearer rate measuring unit and system carrier direction detection unit, wherein, described ultrasound wave tri-dimensional wind speed wind direction measuring unit comprises pedestal, control circuit board, three long gage beams and three short gage beams and six ultrasonic emitting/receiving sensors, six gage beams link to each other with pedestal respectively, and become 60 degree angles successively between long and short gage beam and the contact that pedestal links to each other; Six gage beams are installed a ultrasonic emitting/receiving sensor away from an end of pedestal, become the sensor on 180 two gage beams of spending also to become 180 degree relatively relatively, and the distance between the paired sensor all equates; Described control circuit board comprises power supply, microprocessor and accessory circuit, ultrasonic emitting driving circuit and signal receiving circuit, and described ultrasonic emitting driving circuit, signal receiving circuit connect the control end and the middle broken ends of fractured bone of microprocessor respectively.
2. mobile ultrasonic anemoclinograph according to claim 1 is characterized in that: the velocity survey unit of described portable system carrier comprises a speed pickup, and is connected with control circuit board by lead.
3. mobile ultrasonic anemoclinograph according to claim 1 and 2 is characterized in that: the direction detection unit of described portable system carrier comprises direction detection parts, and is connected with microprocessor by the RS232 interface.
4. mobile ultrasonic anemoclinograph according to claim 3 is characterized in that: this instrument also is provided with temperature sensor, and this temperature sensor links to each other with microprocessor; Accordingly, the low-temperature heat circuit also is installed on described control circuit board.
5. mobile ultrasonic anemoclinograph according to claim 3 is characterized in that: this instrument also comprises liquid crystal display and button, and they link to each other with the input and output circuit of microprocessor respectively.
6. mobile ultrasonic anemoclinograph according to claim 3 is characterized in that: described control circuit board also is provided with the interface circuit of communicating by letter with host computer.
7. mobile ultrasonic anemoclinograph according to claim 3 is characterized in that: described control circuit board is installed in the described pedestal.
CN2011200258956U 2011-01-26 2011-01-26 Movable type ultrasonic wave anemorumbograph Expired - Fee Related CN201984080U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN103871228A (en) * 2014-02-25 2014-06-18 国家电网公司 RS232 data transmission circuit for monitoring ultrasonic wind speed in wind power plant
GB2520330A (en) * 2013-11-18 2015-05-20 Meggitt Uk Ltd Ultrasonic airspeed and direction sensor system
CN105116166A (en) * 2015-09-23 2015-12-02 李铎 Ultrasonic anemograph
CN106018877A (en) * 2016-08-09 2016-10-12 北京雨根科技有限公司 Ultrasonic two-dimensional wind direction and wind speed sensor
CN110095826A (en) * 2018-01-30 2019-08-06 上海泽铭环境科技有限公司 Mobile weather station
RU215717U1 (en) * 2022-10-18 2022-12-22 Акционерное общество "ЛОМО" ACOUSTIC ANEMOMETER

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102175887B (en) * 2011-01-26 2013-05-29 南京信息工程大学 Mobile ultrasonic anemoclinograph and method for measuring wind speed and direction
GB2520330A (en) * 2013-11-18 2015-05-20 Meggitt Uk Ltd Ultrasonic airspeed and direction sensor system
US9612252B2 (en) 2013-11-18 2017-04-04 Meggitt (Uk) Limited Ultrasonic airspeed and direction sensor system
GB2520330B (en) * 2013-11-18 2017-04-19 Meggitt (Uk) Ltd Ultrasonic airspeed and direction sensor system
CN103871228A (en) * 2014-02-25 2014-06-18 国家电网公司 RS232 data transmission circuit for monitoring ultrasonic wind speed in wind power plant
CN105116166A (en) * 2015-09-23 2015-12-02 李铎 Ultrasonic anemograph
CN106018877A (en) * 2016-08-09 2016-10-12 北京雨根科技有限公司 Ultrasonic two-dimensional wind direction and wind speed sensor
CN110095826A (en) * 2018-01-30 2019-08-06 上海泽铭环境科技有限公司 Mobile weather station
RU215717U1 (en) * 2022-10-18 2022-12-22 Акционерное общество "ЛОМО" ACOUSTIC ANEMOMETER

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

Granted publication date: 20110921

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