CN100422708C - Near-ground turbulence flow profiler and measuring method thereof - Google Patents
Near-ground turbulence flow profiler and measuring method thereof Download PDFInfo
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- CN100422708C CN100422708C CNB2004100660972A CN200410066097A CN100422708C CN 100422708 C CN100422708 C CN 100422708C CN B2004100660972 A CNB2004100660972 A CN B2004100660972A CN 200410066097 A CN200410066097 A CN 200410066097A CN 100422708 C CN100422708 C CN 100422708C
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Abstract
The present invention discloses a perigee turbulence profiler and a measuring method thereof. The profiler comprises a temperature sensor (16), a humidity sensor (17), an ultrasound wind speed sensor (19) and a temperature fluctuation sensor (20), a computer (23) and a power supply (22), wherein the temperature sensor (16), the humidity sensor (17), the ultrasound wind speed sensor (19) and the temperature fluctuation sensor (20) are arranged on a measuring rod; the computer (23) and the power supply (22) are electrically connected; particularly, a base (3) of the measuring rod is provided with rolling wheels and a hydraulic lifting device (2) which is provided with a lifting table (1); the lifting table is provided with the measuring rod (18) provided with the sensors according to height of 2<n> meters (n is equal to 0 or 1 or 2 or 3 or 4); interface components (21) are connected between the sensors and the computer (23) in series. In the method, the analog quantity signals of the sensors are received and processed; particularly, the sensors to be collected and parameters and time slices thereof are respectively set; the frequency of collection is determined according to the objects of the collected sensors, and data changed into digital quantity are processed and sent to an output device of the computer. The present invention has the advantages of simple structure and practicality and is convenient to carry out actual measurement to perigee turbulence.
Description
Technical field
The present invention relates to a kind of turbulent flow instrument and survey method, especially near-ground turbulence flow profiler and measuring method.
Background technology
All the time be not in the earth atmosphere of turbulent motion state, its structure and physical parameter are experiencing the random variation on space and the various yardsticks of time.This variation has caused new course of conveying such as energy in the atmosphere, momentum and material composition, and it is referred to as turbulent flow and carries, the big several magnitude of conveying that its transfer rate causes than molecule thermal motion.When light wave is propagated in atmosphere, can be subjected to the influence of atmospheric turbulence and produce various effects, as flicker, phase fluctuation etc., therefore when these problems of research, the research of atmospheric turbulence be all the time must and important.At first, because atmospheric turbulence plays destructive effects to the propagation of light wave, so if can fully grasp the rule of turbulence effect, just can be correctly and properly and use laser engineering that foundation is provided, the information of utilizing turbulence effect to provide also is provided simultaneously carries out the remote sensing of turbulence characteristics and atmospheric properties and provide fundamental basis.Secondly, atmospheric turbulence all has very significant effects to propagation in atmosphere such as sound wave, electromagnetic wave and light waves, especially along with the dynamic (dynamical) progress of Modern Nonlinear, atmospheric turbulence may played the part of important role in the sudden change of various spatial and temporal scales Atmospheric processes and predictability thereof.Therefore, status and the meaning of atmospheric turbulence research in atmospheric science becomes increasingly conspicuous, and move as the atmospheric turbulence near the ground of one of atmospheric turbulence pith, because of it is subjected to the influence on ground bigger, local property is stronger, transmission to laser has bigger influence, so present people are in order to understand and grasp the motion of its optical turbulence, distribute, the rule of diffusion, various trials and effort have been done, once disclosing a kind of atmospheric remote sensing detecting devices of advanced person that uses as " atmospheric science " magazine the 22nd volume the 4th interim " determining CHARACTERISTICS OF THE ATMOSPHERIC BOUNDARY LAYER by the ground remote sensing data " literary composition of publishing in July, 1998 comes atmospheric turbulence is observed, these atmospheric remote sensing detecting devicess are respectively the phased array acoustic radar of French Remtech company, the radio acoustic radar of the lower atmosphere layer wind-warm syndrome profiler of U.S. Radian company and Italian Irone company, but, they are respectively 100 meters because of being subjected to its minimum measuring height, the restriction of 60 meters and 100 meters, and can't observe the atmospheric turbulence in space below 60 meters, let alone observation apart from the face of land subaerial atmospheric turbulence of 16 meters, its detection blind zone has covered the near surface turbulence more than the strong several magnitude of high-altitude turbulent flow fully.Though the device of the extreme low-altitude turbulent flow of may observe is arranged, a kind of iron tower observation device of describing as " weather and Environmental Studies " magazine of publishing in Dec, 2000 the 5th volume the 4th interim " observational study that coastal waters surface layer atmospheric turbulence structure and flux are carried during the South Sea monsoon burst in 1998 " literary composition, this installs high 18 meters, be built in the edge of island reef dish, temperature, humidity, ultrasonic wind speed and temperature fluctuation sensor are installed on its many semi-girders.But this device also exists weak point, the one, and the construction cost of iron tower is too high, and can not arbitrarily move, and can't satisfy the requirement of observing in different places as required; The 2nd, also very inconvenient to maintenance, the replacing of tower upper sensor.
Summary of the invention
The technical problem to be solved in the present invention is the limitation that overcomes above-mentioned various prior art schemes, provides a kind of simple in structure, practical, near-ground turbulence flow profiler easy to use and measuring method.
Near-ground turbulence flow profiler comprises temperature, humidity, ultrasonic wind speed, the temperature fluctuation sensor that places on the sounding rod, and computing machine that is electrically connected with it and power supply, particularly be equipped with roller and hydraulic pressure lifting device on the base of (1), said sounding rod, on the said hydraulic pressure lifting device lifting table is housed, said lifting table is by 2
nThe height of (n=0,1,2,3,4) rice is provided with measuring staff, is equipped with temperature, humidity, ultrasonic wind speed, temperature fluctuation sensor on the said measuring staff respectively; (2), said temperature, humidity, ultrasonic wind speed, temperature fluctuation sensor and said intercomputer be serially connected with interface unit, said interface unit is made of operating voltage conversion assignments device, transducing signal breakout box and hydraulic lifting controller; (3), said hydraulic lifting controller is connected with the hydraulic lifting controlling receiver of said hydraulic pressure lifting device through emitting antenna.
Further improvement as near-ground turbulence flow profiler, the bottom of described base has travel(l)ing rest and roller, one end of said travel(l)ing rest through rotating shaft be connected movingly with base, the other end is connected with hydraulic pressure lifting device through bracing frame, said roller is rotor wheel and deflecting roller, said rotor wheel places base and travel(l)ing rest junction, and said deflecting roller places the other end of base and travel(l)ing rest respectively; Four sides of described base all have folding formula support rail, an end of said support rail through rotating shaft be connected with base with register pin, the other end is equipped with the adjustable diameter and screw adjusting bar that has supporting disk on it; Described lifting table is the telescopiform telescope support, and the top of said telescope support has platform; Be equipped with the temperature and humidity sensor on the measuring staff of described 1 meter height, be equipped with temperature, humidity, ultrasonic air velocity transducer on the measuring staff of 8 meters height, all be equipped with the temperature fluctuation sensor on the measuring staff of 1 meter, 2 meters, 4 meters, 8 meters and 16 meters height; Described operating voltage conversion assignments device is the USB2006JD terminal strip, and ground wire, J29 pin jointing temp sensor, the J30 pin that the input termination power of said USB2006JD terminal strip, the J28 pin of output terminal connect above-mentioned each sensor connects humidity sensor, the J31 pin connects ultrasonic air velocity transducer, J32 pin jointing temp fluctuation sensor; Described transducing signal breakout box is the USB2006JD terminal strip, the J1 of said USB2006JD terminal strip～five temperature fluctuation sensors of J5 pin tap, J6, two temperature sensors of J7 pin tap, J8, two humidity sensors of J9 pin tap, J10 pin connect ultrasonic air velocity transducer, the input end of the output termination USB2006 data collecting card of USB2006JD terminal strip; The generic radio wave transmitter that described hydraulic lifting controller is transmission frequency 150MHz, the input termination USB interface of computer that transmits of said transmitter, the output terminal of hydraulic lifting controlling receiver is electrically connected with the hydraulic pump of hydraulic pressure lifting device.
The measuring method of near-ground turbulence flow profiler comprises the analog signals of receiving sensor and it is handled, particularly it is finished according to the following steps: the timeslice of the parameter of (1), the sensor of set to need gathering respectively, this sensor, this sensor output produces the time reference of this sensor of acquisition time; (2), according to the object of pick-up transducers, determine the number of times gathered, for temperature or humidity or wind speed and direction, gather 20 times or 40 times, for temperature fluctuation, then gather 500 times; (3), the data that convert digital quantity to are handled, promptly, sort by size, after casting out end to end each data of four times, ask its average, ask its variance for the data of temperature fluctuation for the data of temperature or humidity or wind speed and direction; (4), the data after will handling are sent to the output unit of computing machine.
As the further improvement of the measuring method of near-ground turbulence flow profiler, the output unit of described computing machine is a screen display.
Beneficial effect with respect to prior art is that one will be equipped with the measuring staff of temperature, humidity, ultrasonic wind speed, temperature fluctuation sensor by 2
n(n=0,1,2,3,4) Mi height places on the lifting table, and lifting table is the telescopiform telescope support, and be connected with the hydraulic pressure lifting device on being fixed on the base that has roller, this just makes it can survey the atmospheric turbulence below 16 meters near the ground, can be transferred to the detection that turbulent flow is carried out in different places as required easily again, its cost is also low, and is also convenient to the maintenance of its upper sensor; They are two years old, each sensor and intercomputer are provided with interface unit, not only make mutual connection become simple, and wiring is also because of the standard of putting into different categories, neat, also can be easy to provides corresponding operating voltage at the size of distance between different sensors and itself and power supply; They are three years old, the hydraulic pressure lifting device of decision lifting table lifting is subjected to the wireless remote control of the hydraulic lifting controller in the interface unit, except that can controlling at a distance, and also save line therebetween simultaneously, avoided the control signal of low-voltage very easily to produce the difficult problem of decay through the transmission of long distance; They are four years old, the base that has travel(l)ing rest and rotor wheel, deflecting roller, and with its folding formula support rail that is connected with register pin through rotating shaft, the platform that is positioned at the telescope support top, make sounding rod both simple in structure, be convenient to move, after telescopiform telescope support that again can be thereon and measuring staff full extension are opened, under the assistance that does not need external force, just firmly tower voluntarily, also be easy in time each sensor on the measuring staff be overhauled, maintains, greatly promoted the convenience of using; Its five, operating voltage conversion assignments device and transducing signal breakout box are all selected the USB2006JD terminal strip for use, make its electric connecting member much also succinct, have reduced failure rate widely; Its six, the measuring method program of having stationed in the computing machine has guaranteed on the basis of existing device, can survey and note the objective circumstances of near surface turbulence truly.
Description of drawings
Below in conjunction with accompanying drawing optimal way of the present invention is described in further detail.
Fig. 1 is a kind of basic structure synoptic diagram of sounding rod among the present invention;
Fig. 2 is the expansion synoptic diagram of sounding rod among Fig. 1;
Fig. 3 is a kind of embodiment circuit structure diagram of the present invention;
Fig. 4 is the process flow diagram of measuring method of the present invention;
Fig. 5 is to use the present invention to measure temperature changing curve diagram in one day, and wherein, horizontal ordinate is the time, and ordinate is a temperature;
Fig. 6 is to use the present invention to measure moisture curve figure in one day, and wherein, horizontal ordinate is the time, and ordinate is a humidity;
Fig. 7 is to use the present invention to measure wind direction change curve in one day, and wherein, horizontal ordinate is the time, and ordinate is an angle;
Fig. 8 is to use the present invention to measure wind speed change curve in one day, and wherein, horizontal ordinate is the time, and ordinate is a speed;
Fig. 9 is to use the present invention to measure temperature fluctuation change curve in one day, and wherein, horizontal ordinate is the time, and ordinate is C
n 2/ m
-2/3
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, fixedly connected the hydraulic pressure lifting device 2 that lifting table 1 is housed on it on the base 3, lifting table 1 is tetrahedral five joint telescopiform telescope supports, its top has platform 10, on this five joints telescopiform telescope support, press 1 meter, 2 meters, 4 meters, the height of 8 meters and 16 meters is provided with five measuring staffs 18 respectively, wherein, be equipped with temperature sensor 16 and humidity sensor 17 on the measuring staff 18 of 1 meter height, be equipped with temperature sensor 16 on the measuring staff 18 of 8 meters height, humidity sensor 17,19,1 meters of ultrasonic air velocity transducers, 2 meters, 4 meters, all be equipped with temperature fluctuation sensor 20 on the measuring staff 18 of 8 meters and 16 meters height.The travel(l)ing rest 7 that the bottom of base 3 is equipped with rotor wheel 5, deflecting roller 4 respectively and is connected movingly through rotating shaft 6 and its, deflecting roller 4 is equipped with in the bottom of travel(l)ing rest 7 other ends, bracing frame 9 is equipped with on top, and be connected with hydraulic pressure lifting device 2 through it, also be equipped with hydraulic pressure support 8 at travel(l) ing rest 7 and 2 of hydraulic pressure lifting devices.Four sides of base 3 all have folding formula support rail 11, an end of this support rail 11 through rotating shaft 14 be connected with base 3 with register pin 15, the other end is equipped with the adjustable diameter and screw adjusting bar 13 that has supporting disk 12 on it.Temperature on aforementioned five measuring staffs 18, humidity, ultrasonic wind speed, temperature fluctuation sensor 16,17,19,20 and 23 in computing machine be serially connected with by operating voltage conversion assignments device 211, the interface unit 21 that transducing signal breakout box 212 and hydraulic lifting controller 213 constitute, wherein, operating voltage conversion assignments device 211 is the USB2006JD terminal strip, the input termination power 22 of this USB2006JD terminal strip, the J28 pin of output terminal connects the ground wire of above-mentioned each sensor, J29 pin jointing temp sensor 16, the J30 pin connects humidity sensor 17, the J31 pin connects ultrasonic air velocity transducer 19, J32 pin jointing temp fluctuation sensor 20; Transducing signal breakout box 212 and operating voltage conversion assignments device 211 are together with a USB2006JD terminal strip, the J1 of this plate～five temperature fluctuation sensors 20 of J5 pin tap, J6, two temperature sensors 16 of J7 pin tap, J8, two humidity sensors 17 of J9 pin tap, J10 pin connect ultrasonic air velocity transducer 19, the input end of the output termination USB2006 data collecting card of USB2006JD terminal strip, the USB interface of the output termination computing machine 23 of USB2006 data collecting card; Hydraulic lifting controller 213 is the generic radio wave transmitter of transmission frequency 150MHz, it is connected with the hydraulic lifting controlling receiver of hydraulic pressure lifting device 2 through emitting antenna, another USB interface of the input termination computing machine 23 that transmits of this transmitter, the output terminal of hydraulic lifting controlling receiver is electrically connected with the hydraulic pump of hydraulic pressure lifting device 2.
Referring to Fig. 4, the measuring method of near-ground turbulence flow profiler and the workflow of instrument are as follows: after the near-ground turbulence flow profiler energising, computing machine 23 is to each subroutine of having stationed in its own functional part and the internal memory, and USB2006 data collecting card etc. presets initial value, promptly sets its initialization state (step 100).Then, in step 110, computing machine 23 is waited for user's selection, if the user selects parameter setting, then computing machine 23 wait for once more the user select one of following or two or full choosing (step 170): 1. respectively the passage of 10 sensors of need collection is set (step 180), promptly set two temperature sensors 16, two humidity sensors 17, passages that ultrasonic air velocity transducer 19 and five temperature fluctuation sensors 20 are used and the order when it is gathered, 2. each is revised (step 190) with the kind sensor in surveying calibrated error down with environment, 3. set timeslice (step 200) various sensor acquisition; Afterwards, return step 110.If the user selects to gather, then computing machine 23 runs to step 120, check whether 10 passages have been gathered all? if not intact, then carry out data acquisition (step 130); Then, does computing machine 23 check that the timeslice of the sensor of gathering is zero (step 140)? promptly for temperature or humidity or wind speed and direction, whether gathered 20 times or 40 times? for temperature fluctuation, whether gathered 500 times? if non-, then go back to step 130 and proceed to gather; If yes, then handle, promptly, sort, after casting out end to end each data of four times, ask its average by its size for the data of the temperature that collects or humidity or wind speed and direction in the step 150 pair data of having gathered.For the data of the temperature fluctuation that collects, call and calculate variance 1/n * ∑ (T
1-T
2)
2Subroutine, to obtain the variance of the temperature fluctuation data of having gathered, the T in the formula
1, T
2The temperature difference (directly being exported by temperature fluctuation sensor 20), the n that are at 2 are the number that collects.Then, go back to step 120; If all gathered at 10 passages of step 120 inspection, then change step 160, with the data after gathering and handling send the screen display of computing machine 23 to show and harddisk memory stores, and will turn to step 120 after the channel counter zero clearing, the data of 10 passages of continuation circle collection; The result of detection in one sky is shown in Fig. 5～9.If the user selects to withdraw from step 110, then change step 210, computing machine 23 power cut-offs.
Obviously, those skilled in the art can carry out various changes and modification to near-ground turbulence flow profiler of the present invention and measuring method and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (5)
1. near-ground turbulence flow profiler, comprise the temperature sensor (16) that places on the measuring staff, humidity sensor (17), ultrasonic air velocity transducer (19) and temperature fluctuation sensor (20), and with said temperature sensor (16), humidity sensor (17), computing machine (23) and power supply (22) that ultrasonic air velocity transducer (19) and temperature fluctuation sensor (20) are electrically connected, wherein, the base of described measuring staff (3) is gone up fixedly connected hydraulic pressure lifting device (2), lifting table (1) is housed on the described hydraulic pressure lifting device (2), described lifting table (1) is by 1 meter, 2 meters, 4 meters, the height of 8 meters and 16 meters is provided with measuring staff (18), wherein be equipped with temperature sensor (16) and humidity sensor (17) on the measuring staff of 1 meter height (18), be equipped with temperature sensor (16) on the measuring staff of 8 meters height (18), humidity sensor (17) and ultrasonic air velocity transducer (19), 1 meter, 2 meters, 4 meters, all be equipped with temperature fluctuation sensor (20) on the measuring staff of 8 meters and 16 meters height (18), described temperature sensor (16), humidity sensor (17), be serially connected with interface unit (21) between ultrasonic air velocity transducer (19) and temperature fluctuation sensor (20) and described computing machine (23), described interface unit (21) is by operating voltage conversion assignments device (211), transducing signal breakout box (212) and hydraulic lifting controller (213) constitute, described hydraulic lifting controller (213) is connected through the hydraulic lifting controlling receiver of emitting antenna with described hydraulic pressure lifting device (2), it is characterized in that:
The bottom of described base (3) has travel(l)ing rest (7) and roller, one end of described travel(l)ing rest (7) through first rotating shaft (6) be connected movingly with base (3), the other end is connected with hydraulic pressure lifting device (2) through bracing frame (9), described roller is rotor wheel (5) and deflecting roller (4), described rotor wheel (5) places base (3) and travel(l)ing rest (7) junction, described deflecting roller (4) places the bottom that has bracing frame (9) one ends of travel(l)ing rest (7), also is equipped with deflecting roller (4) in the bottom of the base (3) that is connected with travel(l)ing rest (7);
Four sides of described base (3) all have folding formula support rail (11), an end of described support rail (11) through second rotating shaft (14) be connected with base (3) with register pin (15), the other end is equipped with the adjustable diameter and screw adjusting bar (13) that has supporting disk (12) on it.
2. near-ground turbulence flow profiler according to claim 1 is characterized in that lifting table (1) is the telescopiform telescope support, and the top of described telescope support has platform (10).
3. near-ground turbulence flow profiler according to claim 1 is characterized in that operating voltage conversion assignments device (211) is the USB2006JD terminal strip.
4. near-ground turbulence flow profiler according to claim 1, it is characterized in that transducing signal breakout box (212) is the USB2006JD terminal strip, the J1 of described USB2006JD terminal strip～five temperature fluctuation sensors of J5 pin tap (20), J6, two temperature sensors of J7 pin tap (16), J8, two humidity sensors of J9 pin tap (17), J10 pin connect ultrasonic air velocity transducer (19), the input end of the output termination USB2006 data collecting card of USB2006JD terminal strip.
5. near-ground turbulence flow profiler according to claim 1, it is characterized in that hydraulic lifting controller (213) is the generic radio wave transmitter of transmission frequency 150MHz, the USB interface of the input termination computing machine (23) that transmits of described transmitter, the output terminal of hydraulic lifting controlling receiver is electrically connected with the hydraulic pump of hydraulic pressure lifting device (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100660972A CN100422708C (en) | 2004-12-14 | 2004-12-14 | Near-ground turbulence flow profiler and measuring method thereof |
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| CNB2004100660972A CN100422708C (en) | 2004-12-14 | 2004-12-14 | Near-ground turbulence flow profiler and measuring method thereof |
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| CN1789945A CN1789945A (en) | 2006-06-21 |
| CN100422708C true CN100422708C (en) | 2008-10-01 |
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| CN101702037B (en) * | 2009-11-13 | 2012-08-29 | 中国科学院东北地理与农业生态研究所 | Method for obtaining surface layer meteorological element profile cross-sectional data based on remote control airship |
| CN102323574B (en) * | 2011-06-25 | 2013-03-06 | 中国航天科工集团第二研究院二十三所 | Wind profile radar signal processing method |
| CN102445320B (en) * | 2011-09-21 | 2013-12-04 | 哈尔滨工业大学 | Experimental device for attenuating isotropic turbulence |
| CN103496430B (en) * | 2013-09-23 | 2017-01-25 | 浙江海洋学院 | Bulk cargo board supporting frame |
| TWI784625B (en) * | 2021-07-20 | 2022-11-21 | 國立中央大學 | Method for detecting atmospheric turbulence and detection device of atmospheric turbulence |
| CN113820094B (en) * | 2021-11-23 | 2022-02-22 | 中国飞机强度研究所 | Environment field measuring device and method for indoor blowing test of airplane |
| CN114413536A (en) * | 2021-12-15 | 2022-04-29 | 合肥通用机械研究院有限公司 | Heat load calculation method, detector, refrigeration control method and system for ice rink |
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