CN102095895B - Calibration system of wind direction sensor - Google Patents
Calibration system of wind direction sensor Download PDFInfo
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- CN102095895B CN102095895B CN201010586484A CN201010586484A CN102095895B CN 102095895 B CN102095895 B CN 102095895B CN 201010586484 A CN201010586484 A CN 201010586484A CN 201010586484 A CN201010586484 A CN 201010586484A CN 102095895 B CN102095895 B CN 102095895B
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- wind transducer
- photoelectric sensor
- wind
- calibration system
- wind direction
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Abstract
The invention relates to a calibration system of a wind direction sensor, comprising a base. The calibration system is characterized in that the base is provided with a rotating disc, a photoelectric sensor, a control circuit and a driving motor; the edge of the rotating disc is provided with a plurality of through holes at equal intervals; the central position of the rotating disc is provided with a fixed hole; the transmitting end and receiving end of the photoelectric sensor are respectively arranged at the two sides of the rotating disc; and the control circuit is electrically connected with the photoelectric sensor, the driving motor and the wind direction sensor respectively; and the number of the through holes is 36. The calibration method of the calibration system provided by the invention comprises the following steps: a. firstly, judging whether signals are input or not; b. judging whether pulse signals are input or not; and c. reading a wind direction value and sending the wind direction value to an upper personal computer (PC). According to the invention, as the driving motor and the photoelectric sensor are arranged, automatic calibration of the wind direction sensor is realized, and the speed and accuracy of calibration are increased; and for the calibration method provided by the invention, data acquisition is completed automatically, so that the original fussy mode of manual reading is changed.
Description
Technical field
The present invention relates to a kind of wind transducer calibration system, in particular, relate in particular to a kind of wind transducer calibration system that can accomplish automatically the wind transducer detection.
Background technology
Modern society to automatization level require increasingly high; But the calibration of wind transducer in the last few years still rests on the manual calibration stage to a great extent; This calibration steps is consuming time, calibration efficiency is low; But also number appears misreading easily, the system that therefore designs the automatic calibration of cover wind transducer is very necessary.
Summary of the invention
The present invention provides a kind of and can accomplish the wind transducer calibration system that wind transducer is detected automatically in order to overcome the shortcoming of above-mentioned technical matters.
Wind transducer calibration system of the present invention has comprised base fixing and supporting role, it is characterized in that: the drive motor that said base is provided with rolling disc, photoelectric sensor, control circuit and is used to drive turn disc; Edge's spaced set of said rolling disc has some through holes, and the center of rolling disc offers the fixed orifice that is used for fixing wind transducer, and the transmitting terminal of said photoelectric sensor and receiving end are arranged at the both sides up and down of rolling disc respectively; Said control circuit and photoelectric sensor, drive motor and wind transducer all are electrically connected.Base is played a supporting role, and is used to realize to the support of control circuit of rolling disc, photoelectric sensor, drive motor; Rolling disc is placed on the base and can under the driving of drive motor, rotates.Exactly, the transmitting terminal of photoelectric sensor and receiving end are positioned at the upper and lower of through hole, utilize and are arranged on the through hole on the rolling disc, and photoelectric sensor can be realized the detection to the turn disc angle.Control circuit not only is used to realize detection and the control to whole prover, also can realize and the communicating by letter of upper PC.
Wind transducer calibration system of the present invention, the top of said wind transducer is provided with the wind direction bar; Be set with the U-shaped support that is used for fixing the wind direction bar on the said base, the top of this U-shaped support is provided with left vertical rod and right vertical rod, the distance between said left vertical rod and the right vertical rod and the equal diameters of wind direction bar.The purpose that the U-shaped support is set is for the ease of fixing wind transducer, so that realize fast detecting; Left vertical rod on the U-shaped support and the distance between the right vertical rod are set to the equal diameters with the wind direction bar, can guarantee that rolling disc is consistent with the rotational angle of wind transducer.
Wind transducer calibration system of the present invention, the quantity of said through hole are 36; Said base is connected through bearing with rolling disc.Distance between the adjacent two through hole is 10 °, and revolution moves a week, can realize 36 detections to wind transducer output signal; Base is connected through bearing with rolling disc, has just realized that rolling disc can rotate under the drive of drive motor freely.
Wind transducer calibration system of the present invention, said base are provided with and are used for seal case that photoelectric sensor is sealed.Be provided with after the seal case, can guarantee that the electric transducer duty is more stable, avoid taking place maloperation.
Wind transducer calibration system of the present invention, the transmitting terminal of said photoelectric sensor are infrared photocell, and the receiving end of said photoelectric sensor is a phototransistor.Infrared photocell and phototransistor cooperatively interact, and realize the detection to the turn disc angle.
Wind transducer calibration system of the present invention, said control circuit comprised computing and control action microcontroller, be used for the output signal of photoelectric sensor is carried out phase inverter, the motor drive module of shaping and is used to the RS232 communication module of realizing that control circuit is communicated by letter with upper PC; The input end of said microcontroller is provided with the first sensor load module and the second sensor load module that matches with Gray code type wind transducer and voltage-type wind transducer respectively.Microcontroller is used to realize the detection and the computing of data, and realizes the control to whole prover according to operation result and internal processes; Phase inverter can carry out shaping to the pulse signal of photoelectric sensor output, to prevent the maloperation of single-chip microcomputer.The RS232 communication module can realize the communicating by letter of control circuit and upper PC, so that be sent to the data of detected wind transducer in the upper PC and show.
Wind transducer calibration system of the present invention, the model of said microcontroller are ATMEGA16, and the model of said phase inverter is 74LS14, and the communication module of said RS232 is MAX232AESE; Said Gray code type wind transducer is the ZQZ-TF wind transducer, and said voltage-type wind transducer is the EL15-2D wind transducer.The ATMEGA16 single-chip microcomputer is 8 risc instruction set single-chip microcomputers of a kind of low-power consumption, has peripheral hardware in the abundant sheet, built-in 8 path 10 position ADC, and built-in 512 byte EEPROM, the IO driving force is strong, is particularly suitable for the control of low-power consumption type instrument and meter.
The present invention also can be applicable in the digital electronic units such as automatic control of venous transfusion flow, realizes the control to the venous transfusion flow.In the process that is provided with, be separately positioned on the both sides of woven hose to the transmitting terminal of photoelectric sensor and receiving end, be used to realize detection, and partly the flow of soup controlled through control circuit to the medicine liquid droplet number.
A kind of calibration steps based on wind transducer calibration system recited above is characterized in that may further comprise the steps: whether a. at first control circuit has gray code signal or voltage signal to judge to wind transducer; If the signal input is arranged, carries out the b step; If do not have the signal input, then repeated execution of steps a; B. whether order about drive motor and rotate, detecting photoelectric sensor has the pulse signal input, if pulse signal input, execution in step c are arranged; If do not have the pulse signal input, then repeating step b; C. read the numerical value of wind transducer input, and the wind direction value that this numerical value is corresponding compares with actual wind direction value, detect error whether in 5 °; The wind direction value that detects is sent to upper PC; Execution in step d; D. judge whether number of pulse signals is less than or equal to 36, if for being, execution in step b then; If for not, execution in step e then; E. detection of end.
The invention has the beneficial effects as follows: the present invention is through being provided with drive motor that drives turn disc and the photoelectric sensor that is used to detect the turn disc angle; Realized automatic calibration to wind transducer; Not only improved calibration speed, but also guaranteed calibration accuracy wind transducer; Control circuit part among the present invention is provided with the RS232 communication module that can communicate by letter with upper PC, has realized transmission, demonstration and the printout of data, and is practical convenient; Wind transducer calibration steps of the present invention, reading and calculating all and accomplish automatically through control circuit of data changed manual work in the past and read mode.
Description of drawings
Fig. 1 is user mode figure of the present invention;
Fig. 2 is a structure principle chart of the present invention;
Fig. 3 is the schematic diagram of control circuit part;
Fig. 4 is the detection schematic diagram of photoelectric sensor;
Fig. 5 is the connection layout of Gray code type wind transducer and microcontroller;
Fig. 6 is the circuit diagram that detects voltage-type wind transducer part in the control circuit;
Fig. 7 is the peripheral RS232 communication module of microcontroller;
Fig. 8 is the detection schematic diagram of prover;
Among the figure: 1 base, 2 rolling discs, 3 through holes, 4 control circuits, 5 photoelectric sensors, 51 infrared photocells; 52 phototransistors, 6 drive motor, 7 U-shaped supports, 71 left vertical rods, 72 right vertical rods, 8 wind transducers; 9 wind direction bars, 10 seal cases, 11 fixed orifices, 12 voltage sources, 13 microcontrollers, 14 phase inverters; 15 motor drive modules, 16 RS232 communication modules, 17 upper PCs, 18 first sensor load modules, 19 second sensor load modules.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
As depicted in figs. 1 and 2, provided practical constitutional diagram of the present invention and structural drawing respectively, it comprises base 1, rolling disc 2, control circuit 4, photoelectric sensor 5, drive motor 6, U-shaped support 7, wind transducer 8.Shown base 1 mainly plays fixing and supporting role; Rolling disc 2 is arranged on the base 1 and can rotates; In order to guarantee that rolling disc 2 can rotate freely; Rolling disc 2 and base 1 are connected through bearing, and the rolling disc 2 a certain axis that just can wind perpendicular to base 1 rotates freely like this, has guaranteed the accuracy of detection of native system.The center position of rolling disc 2 is provided with the fixed orifice 11 that matches with wind transducer 8, and fixed orifice 11 can be realized the location to wind transducer 8, also can therefrom connect the connecting line between wind direction sensor 8 and the control circuit 4; Every interval, the marginal position place of rolling disc 2 is provided with a through hole 3 for 10 °, amounts to 36, so that realize the detection to rolling disc 2 rotational angles.Photoelectric sensor 5 is fixedly installed on the base 1, and the transmitting terminal of photoelectric sensor 5 and receiving end are separately positioned on the both sides of rolling disc 2, and be as shown in Figure 4; The transmitting terminal of photoelectric sensor 5 is an infrared photocell 51, and receiving end is a phototransistor 52, and the collector of phototransistor 52 connects positive source; Emitter connects ground connection behind the 20K resistance; Signal output part is the emitter of phototransistor 52, in the process of work, blocks if be rotated dish 2 between infrared photocell 51 and the phototransistor 52; Phototransistor 52 ends, the output low level signal; If the through hole 3 of rolling disc 2 is between infrared photocell 51 and phototransistor 52 time, phototransistor 52 conductings, output high level signal; Through detection, realized that rolling disc 2 and the rotational angle that is placed on the wind transducer 8 on the rolling disc 2 detect to the output high level signal.
Shown drive motor 6 is fixedly installed on the base 1, and drive motor 6 is used for rotated dish 2; Can on the output shaft of drive motor 6, fixedly install soft sleeve pipe, this soft sleeve pipe contacts with the lower surface of rolling disc 2, so that realize the driving of 6 pairs of rolling discs 2 of drive motor.The top of wind transducer 8 is a wind direction bar 9, and in the process of using, wind direction bar 9 can be swung along with the change of wind direction.U-shaped support 7 is fixed on the rolling disc 2; The top of U-shaped support 7 is left vertical rod 71 and right vertical rod 72; The distance between left side vertical rod 71 and the right vertical rod 72 and the equal diameters of wind direction bar 9; So just, avoided because the swing of the wind direction bar 9 that rotation caused of rolling disc 29 firm being fixed on the U-shaped support 7 of wind direction bar.The schematic diagram that provides control circuit as shown in Figure 3 comprises microcontroller 13, phase inverter 14, motor drive module 15, RS232 driver module 16, first sensor load module 18, the second sensor load module 19; Microcontroller 13 adopts 8 AVR Series of MCU ATMEGA16 of atmel corps, realizes data acquisition, data operation, to the control of drive motor 6 and uploading of data; The input end of phase inverter 14 is connected with the output terminal of photoelectric sensor 5, is used to realize the shaping to photoelectric sensor 5 output signals, avoids signal jitter.As shown in Figure 7; The model that shown RS232 communication module 16 adopts is MAX232AESE; RS232 communication module 16 is used to realize communicating by letter of control circuit 4 and upper PC 17, in the program of upper PC 17, and carries out the demonstration of relevant data to the data upload of the wind transducer 8 that detects.First sensor load module 18 can be realized respectively being connected with the wind transducer of Gray code type signal with the voltage signal input with the second sensor load module 19; As shown in Figure 5; Provided the CC figure of Gray code type wind transducer and microcontroller 13; 7 of Gray code type wind transducer is connected with the PA0～PA6 port of microcontroller 13 respectively for data line, so that realize reading of 13 pairs of sensors input data of microcontroller.Fig. 6 has provided the schematic diagram of voltage source 12 in the voltage-type wind transducer, can realize the accurate measurement to voltage-type wind transducer output signal through voltage source is set.
The present invention also can be applicable in the digital electronic units such as automatic control of venous transfusion flow, realizes the control to the venous transfusion flow.In the process that is provided with; Be separately positioned on the transmitting terminal of photoelectric sensor and receiving end the both sides of woven hose; Be used to realize detection, and be provided for device that medicinal liquid flow is controlled, and the flow of soup is controlled through the control circuit part to the medicine liquid droplet number.
Calibration steps of the present invention:
Before to the wind transducer calibration; Should be placed on wind direction sensor 8 on the fixed orifice 11 on the rolling disc 2; Be connected the output data line of wind direction sensor 8 with control circuit, carry out then the following step: a. at first control circuit (4) whether have gray code signal or voltage signal to judge to wind transducer (8); If the signal input is arranged, carries out the b step; If do not have the signal input, then repeated execution of steps a; B. whether order about drive motor (6) and rotate, detecting photoelectric sensor (5) has the pulse signal input, if pulse signal input, execution in step c are arranged; If do not have the pulse signal input, then repeating step b; C. read the numerical value of wind transducer (8) input, and the wind direction value that this numerical value is corresponding compares with actual wind direction value, detect error whether in 5 °; The wind direction value that detects is sent to upper PC; Execution in step d; D. judge whether number of pulse signals is less than or equal to 36, if for being, execution in step b then; If for not, execution in step e then; E. detection of end.
Claims (8)
1. wind transducer calibration system; Comprised base (1) fixing and supporting role, it is characterized in that: the drive motor (6) that said base (1) is provided with rolling disc (2), photoelectric sensor (5), control circuit (4) and is used to drive turn disc; Edge's spaced set of said rolling disc (2) has some through holes (3); The center of rolling disc offers the fixed orifice (11) that is used for fixing wind transducer (8), and the transmitting terminal of said photoelectric sensor (5) and receiving end are arranged at the both sides up and down of rolling disc (2) respectively; Said control circuit (4) all is electrically connected with photoelectric sensor (5), drive motor (6) and wind transducer (8).
2. wind transducer calibration system according to claim 1 is characterized in that: the top of said wind transducer (8) is provided with wind direction bar (9); Be set with the U-shaped support (7) that is used for fixing wind direction bar (9) on the said base (1); The top of this U-shaped support (7) is provided with left vertical rod (71) and right vertical rod (72), the distance between said left vertical rod (71) and the right vertical rod (72) and the equal diameters of wind direction bar (9).
3. wind transducer calibration system according to claim 1 and 2 is characterized in that: the quantity of said through hole (3) is 36; Said base (1) is connected through bearing with rolling disc (2).
4. wind transducer calibration system according to claim 1 and 2 is characterized in that: said base (1) is provided with and is used for seal case (10) that photoelectric sensor (5) is sealed.
5. wind transducer calibration system according to claim 1 and 2 is characterized in that: the transmitting terminal of said photoelectric sensor (5) is infrared photocell (51), and the receiving end of said photoelectric sensor (5) is phototransistor (52).
6. wind transducer calibration system according to claim 1 and 2 is characterized in that: said control circuit (4) comprised computing and control action microcontroller (13), be used for the output signal of photoelectric sensor is carried out phase inverter (14), the motor drive module (15) of shaping and is used to the RS232 communication module (16) of realizing that control circuit (4) is communicated by letter with upper PC (17); The input end of said microcontroller (13) is provided with the first sensor load module (18) and the second sensor load module (19) that matches with Gray code type wind transducer and voltage-type wind transducer respectively.
7. wind transducer calibration system according to claim 6 is characterized in that: the model of said microcontroller (13) is ATMEGA16, and the model of said phase inverter is 74LS14, and the communication module of said RS232 (16) is MAX232AESE; Said Gray code type wind transducer is the ZQZ-TF wind transducer, and said voltage-type wind transducer is the EL15-2D wind transducer.
8. calibration steps based on the described wind transducer calibration system of claim 1 is characterized in that may further comprise the steps:
A. at first whether control circuit (4) has gray code signal or voltage signal to judge to wind transducer (8); If the signal input is arranged, carries out the b step; If do not have the signal input, then repeated execution of steps a;
B. whether order about drive motor (6) and rotate, detecting photoelectric sensor (5) has the pulse signal input, if pulse signal input, execution in step c are arranged; If do not have the pulse signal input, then repeating step b;
C. read the numerical value of wind transducer (8) input, and the wind direction value that this numerical value is corresponding compares with actual wind direction value, detect error whether in 5 °; The wind direction value that detects is sent to upper PC; Execution in step d;
D. judge whether number of pulse signals is less than or equal to 36, if for being, execution in step b then; If for not, execution in step e then;
E. detection of end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010586484A CN102095895B (en) | 2010-12-14 | 2010-12-14 | Calibration system of wind direction sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010586484A CN102095895B (en) | 2010-12-14 | 2010-12-14 | Calibration system of wind direction sensor |
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| Publication Number | Publication Date |
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| CN102095895A CN102095895A (en) | 2011-06-15 |
| CN102095895B true CN102095895B (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010586484A Expired - Fee Related CN102095895B (en) | 2010-12-14 | 2010-12-14 | Calibration system of wind direction sensor |
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| CN103912458B (en) * | 2014-04-30 | 2017-04-26 | 北京天源科创风电技术有限责任公司 | Installing tool and wind aligning method for accurate wind aligning of wind indicator of wind generating set |
| CN105242071A (en) * | 2014-11-23 | 2016-01-13 | 龙源（北京）风电工程设计咨询有限公司 | Wind speed and wind direction calibration system |
| CN104330591B (en) * | 2014-11-24 | 2017-07-14 | 中环天仪（天津）气象仪器有限公司 | A kind of automation equipment for being used to examine wind sensor |
| CN106526236A (en) * | 2016-10-31 | 2017-03-22 | 河北科技大学 | Method and device for calibrating current meter flow direction |
| CN107356787B (en) * | 2017-08-04 | 2023-08-04 | 无锡市计量测试院 | Two-dimensional wind speed and direction sensor calibration system and calibration method |
| CN109975581A (en) * | 2017-12-27 | 2019-07-05 | 北京金风科创风电设备有限公司 | Calibration device, wind measuring device and wind generating set |
| TW201946581A (en) * | 2018-05-14 | 2019-12-16 | 瑞士商雀巢製品股份有限公司 | Apparatus for dispensing individual portions of beverage precursor for preparing a beverage therefrom |
| CN110554213B (en) * | 2019-08-24 | 2020-07-14 | 大连理工大学 | Device for ship true wind measurement calibration |
| CN114993886B (en) * | 2022-08-08 | 2022-11-29 | 北京市农林科学院智能装备技术研究中心 | Aerial pesticide application drift measuring device, system and method |
| CN115144616A (en) * | 2022-09-01 | 2022-10-04 | 山东省气象局大气探测技术保障中心(山东省气象计量站) | Wind direction indication value calibrating device and method for ocean anemometer |
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| CN2266740Y (en) * | 1996-01-04 | 1997-11-05 | 山东省科学院海洋仪器仪表研究所 | Propeller type windfinding sensor |
| CN201886036U (en) * | 2010-12-14 | 2011-06-29 | 边文超 | Calibrating device for wind-direction sensor |
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Patent Citations (2)
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|---|---|---|---|---|
| CN2266740Y (en) * | 1996-01-04 | 1997-11-05 | 山东省科学院海洋仪器仪表研究所 | Propeller type windfinding sensor |
| CN201886036U (en) * | 2010-12-14 | 2011-06-29 | 边文超 | Calibrating device for wind-direction sensor |
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