CN104330591A - Automation device for testing wind sensor - Google Patents
Automation device for testing wind sensor Download PDFInfo
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- CN104330591A CN104330591A CN201410678722.2A CN201410678722A CN104330591A CN 104330591 A CN104330591 A CN 104330591A CN 201410678722 A CN201410678722 A CN 201410678722A CN 104330591 A CN104330591 A CN 104330591A
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Abstract
The invention relates to an automation device for testing a wind sensor. The body of the automation device comprises a wind sensor mounting seat, a locating pin, a wind hole locating block, a support arm, a transverse plate, a body fastening block, a transverse plate fixing sleeve, a rotating shaft, a flat key, a planar thrust bearing, a rotating shaft sleeve, a reduction gearbox connecting sleeve, a main bearing pre-tightening ring, an auxiliary bearing pre-tightening ring, a reduction gearbox, a deep groove bearing, a worm wheel, a reduction gearbox bottom plate, a worm, a worm seal cover, a worm pre-tightening ring, a coupling, a step motor mounting seat and a step motor; the control part comprises a device controller, a liquid crystal screen, keys, a step motor driver and the wind sensor. Compared with the prior art, the automation device realizes to automatically test the wind speed and wind direction of the wind sensor; the automation device replaces the previous manual operation mode of operators, reduces the influence of manual factors on the data precision in the testing stage and greatly improves the wind direction and wind speed testing precision.
Description
Technical field
The present invention relates to the inspection machine to Weather wind way wind speed, particularly relating to a kind of for checking the automation equipment of wind sensor.
Background technology
According to National Meteorological Bureau's requirement, each office of province will carry out the Measurement Verification Work of anemoclinograph every year.Present stage, China's Meteorological Field wind direction and wind velocity sensor was mechanical type wind speed wind direction sensor, its verifying attachment is old-fashioned manual operation equipment, its shortcoming is that testing accuracy is low, automaticity is not high, complicated operation, function singleness, artificial interference affects assay, can not meet modern weather industry examination requirements.Along with the development of science and technology, ultrasonic aerovane compact conformation, precision are high, mechanical driving member, can the advantage such as long time running, will use as a new generation of China wind speed wind direction sensor.Along with ultrasonic aerovane is in the popularization gradually of meteorological department, its inspection machine and old-fashioned manual operation equipment are essentially different.Therefore it is a kind of for checking the automation equipment of wind sensor to be badly in need of development.
Summary of the invention
In view of prior art Problems existing and defect, the present invention proposes a kind of for checking the automation equipment of wind sensor.
The technical scheme that the present invention takes is: a kind of for checking the automation equipment of wind sensor, it is characterized in that: this device is made up of main part and control section two large divisions, main part comprises wind sensor fixed part, wind-tunnel fixed part, main element and gear reduction parts, and its stroke sensor fixed part comprises wind sensor mount pad and register pin; Wind-tunnel fixed part comprises wind-tunnel locating piece, sway brace, transverse slat, main body fastening block and transverse slat fixed cover; Main element comprises turning axle, flat key, plain thrust bearing, turning axle overcoat, reducer casing adapter sleeve, the main circle of bearing pre-tightened and bearing pre-tightened secondary circle; Gear reduction parts comprise reducer casing, zanjon bearing, worm gear, reduction gearbox bottom board, worm screw, worm screw capping, the pre-collar of worm screw, shaft coupling, stepper motor mount pad and stepper motor; Wherein register pin is arranged on wind sensor mount pad top, wind sensor mount pad is installed on the rotary shaft by screw thread, turning axle is inserted in plain thrust bearing and turning axle overcoat successively from bottom to top and enters reducer casing by the center pit of transverse slat and reducer casing adapter sleeve, reducer casing adapter sleeve is fixed by screw thread and turning axle overcoat, and screwing in minor thread hole, turning axle overcoat side with jackscrew, anti-locking apparatus gets loose; Be each passed through two transverse slat fixed covers with two dormant bolts transverse slat is threaded with reducer casing by reducer casing adapter sleeve; Turbine is positioned in the middle of two zanjon bearings, is inserted in turning axle from bottom to top successively, utilizes flat key to fix on the rotary shaft, worm gear for transmitting torque; Reduction gearbox bottom board is bolted on bottom reducer casing; The main circle of bearing pre-tightened and bearing pre-tightened secondary circle screw in turning axle bottom thread and fix; Reducer casing lateral aperture puts into worm screw, is bolted with worm screw capping; Two pre-collars of worm screw being installed at worm thread position, rotating degree of tightness for regulating worm screw; Stepper motor mount pad is bolted on reducer casing side, and for fixing stepper motor, stepper motor is connected with worm screw by shaft coupling, for transmission; Two main body fastening blocks by bolt through transverse slat be connected bottom two sway braces fastening; Two wind-tunnel locating pieces are connected fastening by wind-tunnel mounting hole bolt with sway brace top.
Control section of the present invention comprises Setup Controller, liquid crystal display, button, stepper motor driver, wind sensor, described Setup Controller comprises Master control chip, crystal oscillating circuit, artificial circuit, buffer circuit, power circuit and serial communication circuit, wherein: crystal oscillating circuit, artificial circuit are connected with Master control chip respectively with power circuit, and Master control chip is connected with liquid crystal display by LCD Interface; Master control chip is connected with button by button control interface, and be connected with stepper motor driver by stepper motor interface after Master control chip is connected with buffer circuit, stepper motor driver is connected with stepper motor; Master control chip is connected with wind sensor, wind-tunnel and printer/PC respectively by three serial ports in serial communication circuit.
The beneficial effect that the present invention produces is: achieve the inspection automation of wind sensor wind speed and direction, the manually-operated mode of operating personnel before instead of, alleviate the impact of testing stage human factor for the data precision, drastically increase the precision of wind direction and wind velocity inspection.Compared with prior art, namely this device can meet ultrasonic aerovane examination requirements, can also meet the examination requirements of mechanical type wind speed wind direction sensor.
The wind sensor wind direction angle precision that this device adopts is 0.1 °, adopt the accurate worm gear of 180:1, worm screw, there is the features such as volume is little, lightweight, its ratio of gear is large, precision is high, the nothing that operates steadily impact, running accuracy can being met higher than being tested the examination requirements of wind sensor wind direction precision.This device requires that speed is low in the running, and drive original paper carrying quality light, stepper motor is as execution unit, its control performance is excellent, stride value not by external electromagnetic influences, in low output torque large, cost performance is high, by driver, and can to meet this verifying attachment routine use.
Accompanying drawing explanation
Fig. 1 is this apparatus main body part-structure stereographic map;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the exploded view of Fig. 1;
Fig. 4 is that this apparatus control portion divides catenation principle block diagram;
Fig. 5 is Setup Controller catenation principle block diagram in Fig. 4;
Fig. 6 is the schematic diagram of stepper motor driver circuit in Fig. 4;
Fig. 7 is the schematic diagram of Master control chip in Fig. 5;
Fig. 8 is the schematic diagram of crystal oscillating circuit in Fig. 5;
Fig. 9 is the schematic diagram of artificial circuit in Fig. 5;
Figure 10 is the schematic diagram of power circuit in Fig. 5;
Figure 11 is the schematic diagram of buffer circuit in Fig. 5;
Figure 12 is the schematic diagram of serial communication circuit in Fig. 5;
Figure 13 is the schematic diagram of LCD Interface circuit in Fig. 5;
Figure 14 is the schematic diagram of keystroke interface circuit in Fig. 5;
Figure 15 is the schematic diagram of stepper motor interface circuit in Fig. 5;
Figure 16 is the primary control program process flow diagram of this device;
Figure 17 is stepper motor pulsed drive subroutine flow chart in Figure 16.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, Figure 2 and Figure 3, this device is made up of main part and control section two large divisions, main part comprises wind sensor fixed part, wind-tunnel fixed part, main element and gear reduction parts, and its stroke sensor fixed part comprises wind sensor mount pad 1 and register pin 2; Wind-tunnel fixed part comprises wind-tunnel locating piece 7, sway brace 8, transverse slat 9, main body fastening block 10 and transverse slat fixed cover 11; Main element comprises turning axle 3, flat key 4, plain thrust bearing 5, turning axle overcoat 6, reducer casing adapter sleeve 12, the main circle 23 of bearing pre-tightened and bearing pre-tightened secondary circle 24; Gear reduction parts comprise reducer casing 13, zanjon bearing 20, worm gear 21, reduction gearbox bottom board 22, worm screw 14, worm screw capping 15, the pre-collar 16 of worm screw, shaft coupling 17, stepper motor mount pad 18 and stepper motor 19; Wherein register pin 2 is arranged on wind sensor mount pad 1 top, wind sensor mount pad 1 is arranged on turning axle 3 by screw thread, turning axle 3 is inserted in plain thrust bearing 5 and turning axle overcoat 6 successively from bottom to top and enters reducer casing 13 by the center pit of transverse slat 9 and reducer casing adapter sleeve 12, reducer casing adapter sleeve 12 is fixed by screw thread and turning axle overcoat 6, and screwing in minor thread hole, turning axle overcoat 6 side with jackscrew, anti-locking apparatus gets loose; Be each passed through two transverse slat fixed covers 11 with two dormant bolts transverse slat 9 is threaded with reducer casing 13 by reducer casing adapter sleeve 12; Turbine 21 is positioned in the middle of two zanjon bearings 20, is inserted in turning axle 3 from bottom to top successively, utilizes flat key 4 to be fixed on turning axle 3 by worm gear 21, for transmitting torque; Reduction gearbox bottom board 22 is bolted on bottom reducer casing 13; The main circle 23 of bearing pre-tightened and bearing pre-tightened secondary circle 24 screw in turning axle 3 bottom thread and fix; Reducer casing 13 lateral aperture puts into worm screw 14, is bolted with worm screw capping 15; Two pre-collars 16 of worm screw being installed at worm screw 14 screw thread position, rotating degree of tightness for regulating worm screw 14; Stepper motor mount pad 18 is bolted on reducer casing 13 side, and for fixing stepper motor 19, stepper motor 19 is connected with worm screw 14, for transmission by shaft coupling 17; Two main body fastening blocks 10 by bolt through transverse slat 9 be connected bottom two sway braces 8 fastening; Two wind-tunnel locating pieces 7 are connected fastening by wind-tunnel mounting hole bolt with sway brace 8 top.
Apparatus main body part of the present invention is hollow rotating shaft main body sinkage type structure, and because wind sensor data line bit is in bottom, the turning axle of hollow design is convenient to the wiring of wind sensor.It is outside that apparatus main body is all positioned at wind-tunnel measurements position after being installed by wind-tunnel stationary installation, thus subtract and can't do without unnecessary inspection interference.Turning axle adopts the motion of two zanjon bearings, a plain thrust bearing, to turning axle, thus drives wind sensor mount pad that wind sensor is rotated by stepper motor, shaft coupling, worm screw, worm gear transmission power.For the stability that holding device is long-term, worm and gear parts clearance, axial runout are equipped with tunable arrangement.Wind sensor mount pad requires to design according to the wind sensor installation dimension be verified, wind sensor refers to that north side (i.e. wind direction zero point) is arranged and is provided with register pin, and tested wind sensor is bolted connection with wind sensor mount pad after connecting data line.
Wind-tunnel fixed part is according to the requirement of meteorological equipment test stone, be verified device measuring end and should be placed in wind-tunnel center, because ultrasonic aerovane increases to some extent than mechanical type height, in conjunction with existing meteorological wind tunnel design feature, the fixed part of wind-tunnel adopts sunk type design, verifying attachment can be made to be arranged on wind turbine apparatus, to effectively reduce verify error, improve the accuracy of inspection.
As shown in Figure 4 and Figure 5, control section of the present invention comprises Setup Controller, liquid crystal display, button, stepper motor driver, wind sensor, described Setup Controller comprises Master control chip, crystal oscillating circuit, artificial circuit, buffer circuit, power circuit and serial communication circuit, wherein: crystal oscillating circuit, artificial circuit are connected with Master control chip respectively with power circuit, and Master control chip is connected with liquid crystal display by LCD Interface; Master control chip is connected with button by button control interface, and be connected with stepper motor driver by stepper motor interface after Master control chip is connected with buffer circuit, stepper motor driver is connected with stepper motor; Master control chip is connected with wind sensor, wind-tunnel and printer/PC respectively by three serial ports in serial communication circuit.
As shown in Figure 6, stepper motor driver circuit of the present invention adopts two integrated chips, be respectively L297 integrated chip U2 and L298N integrated chip U3, 3 pin of L297 integrated chip U2 and 4 pin are by being connected ground connection after electric capacity C150, connect+5V power supply after being connected with one end of resistance R80 simultaneously, 6 pin of L297 integrated chip U2 are connected with the other end of resistance R80, simultaneously by ground connection after contact resistance R90, one end of 5 pin contact resistance R70 of L297 integrated chip U2 and one end of electric capacity C140, the other end of resistance R70 receives 1 pin of connector K6, ground connection after the other end of electric capacity C140 is connected with 2 pin of connector K6, 3 pin of connector K6 connect+5V power supply, 7 pin of L297 integrated chip U2 connect+5V power supply, 10 pin of L297 integrated chip U2, 11 pin respectively with 8 pin of L298N integrated chip U3, 7 pin connect, and respectively by contact resistance R50, the ground connection while of after resistance R40,17 pin of L297 integrated chip U2, 16 pin, 15 pin, 14 pin, 13 pin, 12 pin respectively with 1 pin of L298N integrated chip U3, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin connect, 18 pin of L297 integrated chip U2 and one end of resistance R100, + 5V power supply is connect after one end of electric capacity C170 and 15 pin of L298N integrated chip U3 connect, the other end ground connection of electric capacity C170, the other end of resistance R100 connects 19 pin of L297 integrated chip U2 and one end of electric capacity C160, the other end of electric capacity C160 is connected rear ground connection with 20 pin of L297 integrated chip U2, the 14 pin ground connection of L298N integrated chip U3,13 pin of L298N integrated chip U3 connect one end of electric capacity C180, one end of electric capacity C190, the negative pole of diode D1, the negative pole of diode D2, connect+5V power supply after the negative pole of diode D3 and the negative pole of diode D4, the other end of electric capacity C180 is connected rear ground connection, the positive pole of diode D1 with the other end of electric capacity C190, the positive pole of diode D2, the positive pole of diode D3, the positive pole of diode D4 connects the negative pole of diode D5 respectively, the negative pole of diode D6, the negative pole of diode D7, the negative pole of diode D8, the positive pole of diode D5, the positive pole of diode D6, the ground connection while of after the positive pole of diode D7 and the positive pole of diode D8 connect.
As shown in Figure 7, main control chip employing has the STM32F103RCT6 chip of ARM processor and is provided with application program, after 13 pin connection electric capacity C8 of STM32F103RCT6 chip, be connected with 12 pin of STM32F103RCT6 chip again, ground connection after connecting, after 19 pin connection electric capacity C14 of STM32F103RCT6 chip, be connected with 18 pin of STM32F103RCT6 chip again, ground connection after connecting, ground connection after 28 pin contact resistance R16 of STM32F103RCT6 chip, 32 pin of STM32F103RCT6 chip are connected to 7 pin of STM32F103RCT6 chip by resistance R8, be connected with 31 pin of STM32F103RCT6 chip by electric capacity C6 again simultaneously, ground connection after connecting, 48 pin of STM32F103RCT6 chip connect electric capacity C4, ground connection after being simultaneously connected with 47 pin of STM32F103RCT6 chip, 60 pin of STM32F103RCT6 chip are by resistance R1 ground connection, 64 pin of STM32F103RCT6 chip connect electric capacity C2, ground connection after being simultaneously connected with 63 pin of STM32F103RCT6 chip.
As shown in Figure 7 and Figure 8, the crystal oscillating circuit of Setup Controller adopts photoelectrical coupler crystal oscillator Y1,1 pin of crystal oscillator Y1,2 pin connect electric capacity C5, electric capacity C1 respectively, the ground connection while of after connecting, receive 6 pin of STM32F103RCT6 chip behind one end of simultaneously 1 pin of crystal oscillator Y1 contact resistance R2 again, after the other end of the 2 pin contact resistance R2 of crystal oscillator Y1, receive 5 pin of STM32F103RCT6 chip.
As shown in figures 7 and 9, the artificial circuit of Setup Controller comprises a connector P3, the 1 pin ground connection of connector P3,3 pin of connector P3,4 pin receive 49 pin, 46 pin of STM32F103RCT6 chip respectively, 5 pin of connector P3 receive 7 pin of STM32F103RCT6 chip by contact resistance R14,6 pin of connector P3 receive the VCC end of STM32F103RCT6 chip by contact resistance R15.
As illustrated in fig. 7 and fig. 10, the power circuit of Setup Controller adopts an a LM2576 voltage stabilizer U7 and LT1117 voltage stabilizer U9, 1 pin of LM2576 voltage stabilizer U7 connects the negative pole of diode D15 and the positive pole of electrochemical capacitor C23, the positive pole of diode D15 connects 20V power supply by resettable fuse F1, the negative pole of electrochemical capacitor C23 and 3 pin of LM2576 voltage stabilizer U7, 5 pin, the ground connection while of after the positive pole of diode D16 and the negative pole of electrochemical capacitor C24 connect, 2 pin of LM2576 voltage stabilizer U7 connect the negative pole of electrochemical capacitor C16, the positive pole of electrochemical capacitor C24 and 4 pin of LM2576 voltage stabilizer U7 are connected again by inductance L 2, connect again the positive pole of electrochemical capacitor C25 and 3 pin of LT1117 voltage stabilizer U9 simultaneously, the positive pole of electrochemical capacitor C26 is connect after 2 pin of LT1117 voltage stabilizer U9 are connected with 4 pin, the positive pole of electrochemical capacitor C18 and one end of inductance L 1, and connect VCC end together, one end of other end connecting resistance R19 of inductance and 13 pin of STM32F103RCT6 chip, the other end of resistance R19 is connected with the negative pole of electrochemical capacitor C18 by electric capacity C17, ground connection after connecting, the negative pole of electrochemical capacitor C26 simultaneously, 1 pin of LT1117 voltage stabilizer U9 and the negative pole ground connection respectively of electrochemical capacitor C25.
As seen in figs. 7 and 11, the buffer circuit of Setup Controller adopts a TLP521-4 photoelectrical coupler U20, 1 pin of photoelectrical coupler U20, 3 pin, 5 pin, 7 pin, 10 pin, 12 pin, 14 pin, 16 pin are respectively by resistance R21, resistance R21, resistance R26, resistance R30, resistance R32, resistance R33, resistance R31, resistance R27 connects, VCC end is connect after connection, 10 pin of photoelectrical coupler U20 simultaneously, 12 pin, 14 pin, 16 pin receive again 9 pin of L297 integrated chip U2 in motor driver circuit respectively, 8 pin, 2 pin and 1 pin, 2 pin of photoelectrical coupler U20, 4 pin, 6 pin, 8 pin receive 62 pin of STM32F103RCT6 chip respectively, 61 pin, 59 pin and 58 pin, 9 pin of photoelectrical coupler U20, 11 pin, ground connection after 13 pin and 15 pin connect.
As shown in figures 7 and 12, the serial communication circuit of Setup Controller adopts two SP3232EEEA chips, be respectively SP3232EEEA chip U4 and SP3232EEEA chip U40, 1 pin of SP3232EEEA chip U4 is connected electric capacity C12 with 3 pin, 4 pin are connected electric capacity C11 with 5 pin, 2 pin and 6 pin are respectively by electric capacity C10, electric capacity C13 connects, ground connection after connecting, 7 pin are connected 1 pin and 2 pin of first serial P9 with 8 pin, the 3 pin ground connection of first serial P9, 9 pin of SP3232EEEA chip U4, 10 pin, 11 pin, 12 pin connect 43 pin of STM32F103RCT6 chip respectively, 42 pin, 16 pin, 17 pin, 13 pin of SP3232EEEA chip U4, 14 pin connect 1 pin of second serial P8 respectively, 2 pin, the 3 pin ground connection of second serial P8, 15 pin of SP3232EEEA chip U4 connect ground connection behind one end of electric capacity C9, VCC end is connect after the other end of the 16 pin connection electric capacity C9 of SP3232EEEA chip U4, 1 pin of SP3232EEEA chip U40 is connected electric capacity C120 with 3 pin, 4 pin are connected electric capacity C110 with 5 pin, 2 pin are connected respectively by electric capacity C100, electric capacity C130 with 6 pin, ground connection after connecting, 7 pin are connected 1 pin and 2 pin of the 3rd serial ports P7 with 8 pin, the 3 pin ground connection of the 3rd serial ports P7,9 pin of SP3232EEEA chip U40,10 pin connect 30 pin, 29 pin of STM32F103RCT6 chip respectively, 15 pin of SP3232EEEA chip U40 connect ground connection behind one end of electric capacity C90, connect VCC end after the other end of the 16 pin connection electric capacity C90 of SP3232EEEA chip U40.
As shown in figs. 7 and 13, LCD Interface circuit adopts a LCD Interface P15, the 1 pin ground connection of LCD Interface P15,2 pin connect VCC end after being connected with 3 pin, 4 pin to 24 pin receive 23 pin, 22 pin, 21 pin, 20 pin, 41 pin, 8 pin, 9 pin, 10 pin, 11 pin, 24 pin, 25 pin, 37 pin, 38 pin, 39 pin, 40 pin, 51 pin, 52 pin, 53 pin, 2 pin, 3 pin, 4 pin of STM32F103RCT6 chip respectively.
As shown in Fig. 7 and Figure 14, keystroke interface circuit adopts a keystroke interface P10,1 pin of keystroke interface P10,2 pin, 3 pin, 4 add, 5 pin connect VCC end respectively after contact resistance R5, resistance R6, resistance R12, resistance R13, resistance R17 together, are connected respectively to again 36 pin, 35 pin, 34 pin, 33 pin, 14 pin of STM32F103RCT6 chip simultaneously.
As shown in Figure 6 and Figure 15, stepper motor interface circuit adopts a stepper motor interface P11,1 pin of stepper motor interface P11 connects 5V power supply, and 2 pin, 3 pin, 4 pin, 5 pin receive 1 pin, 2 pin, 8 pin, 9 pin of L297 integrated chip U2 in stepper motor driver circuit respectively.
As shown in figure 16, the application program of this device comprises primary control program and stepper motor pulsed drive subroutine, primary control program has following steps: after initialization, control section coupling arrangement controller, if successful connection, apparatus main body member reset, wind direction or wind speed inspection are selected, if select wind direction inspection, different air speed value is sent into wind-tunnel, send into stepper motor driver by needing pulse corresponding to the angle value of inspection and call stepper motor pulsed drive subroutine, then wind sensor data are read, if read data success, then calculate angle value and wind sensor anglec of rotation deviation, then deviate is shown in liquid crystal display, data are saved to database, print if select, namely examining report is printed, if select wind speed inspection, the air speed value that need check sends into wind-tunnel, calculation of wind speed value and wind sensor measuring wind value deviation, and then deviate is shown in liquid crystal display, data are saved to database, prints, namely print examining report if select,
As shown in figure 17, stepper motor pulsed drive subroutine has the following steps: first judge whether direction input is rotating forward, if rotate forward, the pulse motor that the anglec of rotation of setting is corresponding rotates forward; Otherwise the pulse motor reversion that the anglec of rotation of setting is corresponding, if terminate, then turns back to primary control program.
Setup Controller of the present invention as the control core of automation equipment of inspection wind sensor, its work such as function controllable device main element automated operation and data transmission and processing.Setup Controller is by serial ports 1(P9), serial ports 2(P8) with wind-tunnel and wind sensor communication, for the data message controlling wind-tunnel and wind sensor and needed for gathering, by serial ports 3(P7) check data can be reached the external unit such as printer, PC, be convenient to management from now on and inspection.Setup Controller is connected with liquid crystal display with button by keystroke interface (P10), LCD Interface (P15), and button is used for input wind tunnel speed numerical value and the anglec of rotation of needs and the input to Setup Controller control command.Liquid crystal display can show current air speed value, rotation angle value, the instant wind speed of wind sensor, the instant wind direction value of wind sensor and device duty etc., thus the human-computer interaction interface that structure one is friendly.Setup Controller connects stepper motor driver by stepper motor interface (P11), controls to drive the stepper motor being positioned at main element.
Design concept of the present invention: first this apparatus main body is arranged on XXXX wind-tunnel relevant position by operating personnel, when inspection starts, by being manually placed on wind sensor mount pad after being connected by wind sensor data line, utilize register pin that probe north pointer direction is right against wind-tunnel air intake position.When needs are checked, the anglec of rotation of specifying and direction thereof is selected by operating personnel, corresponding pulse is sent by Setup Controller control step motor driver, Driving Stepping Motor rotates, for gear reduction parts provide power to drive turning axle to rotate, be placed in the sensor on turning axle and carry out radial rotating according to the instruction of operating personnel, now wind sensor probe measurement direction and wind-tunnel air intake direction have a certain degree.Compared the difference of the data Angle that stepper motor angle of rotation angle value and wind sensor self detect by Setup Controller calculation process, and result is presented on liquid crystal display.When needs inspection wind sensor air speed value, need operating personnel's operative installations controller to change wind-tunnel by serial ports 2 to be correlated with wind speed parameter, by Setup Controller calculation process, the air speed data that wind sensor self detects is compared with wind tunnel speed data operation, and result is presented on liquid crystal display.Thus realize the object of wind sensor automatic gauging wind speed and direction.
Claims (10)
1. one kind for checking the automation equipment of wind sensor, it is characterized in that: this device is made up of main part and control section two large divisions, main part comprises wind sensor fixed part, wind-tunnel fixed part, main element and gear reduction parts, and its stroke sensor fixed part comprises wind sensor mount pad (1) and register pin (2); Wind-tunnel fixed part comprises wind-tunnel locating piece (7), sway brace (8), transverse slat (9), main body fastening block (10) and transverse slat fixed cover (11); Main element comprises turning axle (3), flat key (4), plain thrust bearing (5), turning axle overcoat (6), reducer casing adapter sleeve (12), the main circle of bearing pre-tightened (23) and bearing pre-tightened secondary circle (24); Gear reduction parts comprise reducer casing (13), zanjon bearing (20), worm gear (21), reduction gearbox bottom board (22), worm screw (14), worm screw capping (15), the pre-collar of worm screw (16), shaft coupling (17), stepper motor mount pad (18) and stepper motor (19); Wherein register pin (2) is arranged on wind sensor mount pad (1) top, wind sensor mount pad (1) is arranged on turning axle (3) by screw thread, turning axle (3) is inserted in plain thrust bearing (5) and turning axle overcoat (6) successively from bottom to top and enters reducer casing (13) by the center pit of transverse slat (9) and reducer casing adapter sleeve (12), reducer casing adapter sleeve (12) is fixed by screw thread and turning axle overcoat (6), and screwing in minor thread hole, turning axle overcoat (6) side with jackscrew, anti-locking apparatus gets loose; Be each passed through two transverse slat fixed covers (11) with two dormant bolts transverse slat (9) is threaded with reducer casing (13) by reducer casing adapter sleeve (12); Turbine (21) is positioned in the middle of two zanjon bearings (20), is inserted in turning axle (3) successively from bottom to top, utilizes flat key (4) to be fixed on turning axle (3) by worm gear (21), for transmitting torque; Reduction gearbox bottom board (22) is bolted on reducer casing (13) bottom; The main circle of bearing pre-tightened (23) and bearing pre-tightened secondary circle (24) screw in turning axle (3) bottom thread and fix; Reducer casing (13) lateral aperture puts into worm screw (14), is bolted with worm screw capping (15); Two pre-collars of worm screw (16) being installed at worm screw (14) screw thread position, rotating degree of tightness for regulating worm screw (14); Stepper motor mount pad (18) is bolted on reducer casing (13) side, and for fixing stepper motor (19), stepper motor (19) is connected, for transmission with worm screw (14) by shaft coupling (17); Two main body fastening blocks (10) are connected fastening through transverse slat (9) with two sway brace (8) bottoms by bolt; Two wind-tunnel locating pieces (7) are connected fastening by wind-tunnel mounting hole bolt with sway brace (8) top.
2. according to claim 1 a kind of for checking the automation equipment of wind sensor, it is characterized in that: described control section comprises Setup Controller, liquid crystal display, button, stepper motor driver, wind sensor, described Setup Controller comprises Master control chip, crystal oscillating circuit, artificial circuit, buffer circuit, power circuit and serial communication circuit, wherein: crystal oscillating circuit, artificial circuit are connected with Master control chip respectively with power circuit, and Master control chip is connected with liquid crystal display by LCD Interface; Master control chip is connected with button by button control interface, and be connected with stepper motor driver by stepper motor interface after Master control chip is connected with buffer circuit, stepper motor driver is connected with stepper motor; Master control chip is connected with wind sensor, wind-tunnel and printer/PC respectively by three serial ports in serial communication circuit.
3. according to claim 2 a kind of for checking the automation equipment of wind sensor, it is characterized in that: stepper motor driver circuit adopts two integrated chips, be respectively L297 integrated chip U2 and L298N integrated chip U3, 3 pin of L297 integrated chip U2 and 4 pin are by being connected ground connection after electric capacity C150, connect+5V power supply after being connected with one end of resistance R80 simultaneously, 6 pin of L297 integrated chip U2 are connected with the other end of resistance R80, simultaneously by ground connection after contact resistance R90, one end of 5 pin contact resistance R70 of L297 integrated chip U2 and one end of electric capacity C140, the other end of resistance R70 receives 1 pin of connector K6, ground connection after the other end of electric capacity C140 is connected with 2 pin of connector K6, 3 pin of connector K6 connect+5V power supply, 7 pin of L297 integrated chip U2 connect+5V power supply, 10 pin of L297 integrated chip U2, 11 pin respectively with 8 pin of L298N integrated chip U3, 7 pin connect, and respectively by contact resistance R50, the ground connection while of after resistance R40,17 pin of L297 integrated chip U2, 16 pin, 15 pin, 14 pin, 13 pin, 12 pin respectively with 1 pin of L298N integrated chip U3, 2 pin, 3 pin, 4 pin, 5 pin, 6 pin connect, 18 pin of L297 integrated chip U2 and one end of resistance R100, + 5V power supply is connect after one end of electric capacity C170 and 15 pin of L298N integrated chip U3 connect, the other end ground connection of electric capacity C170, the other end of resistance R100 connects 19 pin of L297 integrated chip U2 and one end of electric capacity C160, the other end of electric capacity C160 is connected rear ground connection with 20 pin of L297 integrated chip U2, the 14 pin ground connection of L298N integrated chip U3,13 pin of L298N integrated chip U3 connect one end of electric capacity C180, one end of electric capacity C190, the negative pole of diode D1, the negative pole of diode D2, connect+5V power supply after the negative pole of diode D3 and the negative pole of diode D4, the other end of electric capacity C180 is connected rear ground connection, the positive pole of diode D1 with the other end of electric capacity C190, the positive pole of diode D2, the positive pole of diode D3, the positive pole of diode D4 connects the negative pole of diode D5 respectively, the negative pole of diode D6, the negative pole of diode D7, the negative pole of diode D8, the positive pole of diode D5, the positive pole of diode D6, the ground connection while of after the positive pole of diode D7 and the positive pole of diode D8 connect.
4. according to claim 3 a kind of for checking the automation equipment of wind sensor, it is characterized in that: main control chip employing has the STM32F103RCT6 chip of ARM processor and is provided with application program, after 13 pin connection electric capacity C8 of STM32F103RCT6 chip, be connected with 12 pin of STM32F103RCT6 chip again, ground connection after connecting, after 19 pin connection electric capacity C14 of STM32F103RCT6 chip, be connected with 18 pin of STM32F103RCT6 chip again, ground connection after connecting, ground connection after 28 pin contact resistance R16 of STM32F103RCT6 chip, 32 pin of STM32F103RCT6 chip are connected to 7 pin of STM32F103RCT6 chip by resistance R8, be connected with 31 pin of STM32F103RCT6 chip by electric capacity C6 again simultaneously, ground connection after connecting, 48 pin of STM32F103RCT6 chip connect electric capacity C4, ground connection after being simultaneously connected with 47 pin of STM32F103RCT6 chip, 60 pin of STM32F103RCT6 chip are by resistance R1 ground connection, 64 pin of STM32F103RCT6 chip connect electric capacity C2, ground connection after being simultaneously connected with 63 pin of STM32F103RCT6 chip.
5. according to claim 4 a kind of for checking the automation equipment of wind sensor, it is characterized in that: the crystal oscillating circuit of Setup Controller adopts photoelectrical coupler crystal oscillator Y1,1 pin of crystal oscillator Y1,2 pin connect electric capacity C5, electric capacity C1 respectively, the ground connection while of after connecting, receive 6 pin of STM32F103RCT6 chip behind one end of simultaneously 1 pin of crystal oscillator Y1 contact resistance R2 again, after the other end of the 2 pin contact resistance R2 of crystal oscillator Y1, receive 5 pin of STM32F103RCT6 chip;
The artificial circuit of Setup Controller comprises a connector P3, the 1 pin ground connection of connector P3,3 pin of connector P3,4 pin receive 49 pin, 46 pin of STM32F103RCT6 chip respectively, 5 pin of connector P3 receive 7 pin of STM32F103RCT6 chip by contact resistance R14,6 pin of connector P3 receive the VCC end of STM32F103RCT6 chip by contact resistance R15.
6. according to claim 5 a kind of for checking the automation equipment of wind sensor, it is characterized in that: the power circuit of Setup Controller adopts an a LM2576 voltage stabilizer U7 and LT1117 voltage stabilizer U9, 1 pin of LM2576 voltage stabilizer U7 connects the negative pole of diode D15 and the positive pole of electrochemical capacitor C23, the positive pole of diode D15 connects 20V power supply by resettable fuse F1, the negative pole of electrochemical capacitor C23 and 3 pin of LM2576 voltage stabilizer U7, 5 pin, the ground connection while of after the positive pole of diode D16 and the negative pole of electrochemical capacitor C24 connect, 2 pin of LM2576 voltage stabilizer U7 connect the negative pole of electrochemical capacitor C16, the positive pole of electrochemical capacitor C24 and 4 pin of LM2576 voltage stabilizer U7 are connected again by inductance L 2, connect again the positive pole of electrochemical capacitor C25 and 3 pin of LT1117 voltage stabilizer U9 simultaneously, the positive pole of electrochemical capacitor C26 is connect after 2 pin of LT1117 voltage stabilizer U9 are connected with 4 pin, the positive pole of electrochemical capacitor C18 and one end of inductance L 1, and connect VCC end together, one end of other end connecting resistance R19 of inductance and 13 pin of STM32F103RCT6 chip, the other end of resistance R19 is connected with the negative pole of electrochemical capacitor C18 by electric capacity C17, ground connection after connecting, the negative pole of electrochemical capacitor C26 simultaneously, 1 pin of LT1117 voltage stabilizer U9 and the negative pole ground connection respectively of electrochemical capacitor C25.
7. according to claim 6 a kind of for checking the automation equipment of wind sensor, it is characterized in that: the buffer circuit of Setup Controller adopts a TLP521-4 photoelectrical coupler U20, 1 pin of photoelectrical coupler U20, 3 pin, 5 pin, 7 pin, 10 pin, 12 pin, 14 pin, 16 pin are respectively by resistance R21, resistance R21, resistance R26, resistance R30, resistance R32, resistance R33, resistance R31, resistance R27 connects, VCC end is connect after connection, 10 pin of photoelectrical coupler U20 simultaneously, 12 pin, 14 pin, 16 pin receive again 9 pin of L297 integrated chip U2 in motor driver circuit respectively, 8 pin, 2 pin and 1 pin, 2 pin of photoelectrical coupler U20, 4 pin, 6 pin, 8 pin receive 62 pin of STM32F103RCT6 chip respectively, 61 pin, 59 pin and 58 pin, 9 pin of photoelectrical coupler U20, 11 pin, ground connection after 13 pin and 15 pin connect.
8. according to claim 7 a kind of for checking the automation equipment of wind sensor, it is characterized in that: the serial communication circuit of Setup Controller adopts two SP3232EEEA chips, be respectively SP3232EEEA chip U4 and SP3232EEEA chip U40, 1 pin of SP3232EEEA chip U4 is connected electric capacity C12 with 3 pin, 4 pin are connected electric capacity C11 with 5 pin, 2 pin and 6 pin are respectively by electric capacity C10, electric capacity C13 connects, ground connection after connecting, 7 pin are connected 1 pin and 2 pin of first serial P9 with 8 pin, the 3 pin ground connection of first serial P9, 9 pin of SP3232EEEA chip U4, 10 pin, 11 pin, 12 pin connect 43 pin of STM32F103RCT6 chip respectively, 42 pin, 16 pin, 17 pin, 13 pin of SP3232EEEA chip U4, 14 pin connect 1 pin of second serial P8 respectively, 2 pin, the 3 pin ground connection of second serial P8, 15 pin of SP3232EEEA chip U4 connect ground connection behind one end of electric capacity C9, VCC end is connect after the other end of the 16 pin connection electric capacity C9 of SP3232EEEA chip U4,
1 pin of SP3232EEEA chip U40 is connected electric capacity C120 with 3 pin, 4 pin are connected electric capacity C110 with 5 pin, 2 pin are connected respectively by electric capacity C100, electric capacity C130 with 6 pin, ground connection after connecting, 7 pin are connected 1 pin and 2 pin of the 3rd serial ports P7 with 8 pin, the 3 pin ground connection of the 3rd serial ports P7,9 pin of SP3232EEEA chip U40,10 pin connect 30 pin, 29 pin of STM32F103RCT6 chip respectively, 15 pin of SP3232EEEA chip U40 connect ground connection behind one end of electric capacity C90, connect VCC end after the other end of the 16 pin connection electric capacity C90 of SP3232EEEA chip U40.
9. according to claim 8 a kind of for checking the automation equipment of wind sensor, it is characterized in that: LCD Interface circuit adopts a LCD Interface P15, the 1 pin ground connection of LCD Interface P15,2 pin connect VCC end after being connected with 3 pin, 4 pin to 24 pin receive 23 pin, 22 pin, 21 pin, 20 pin, 41 pin, 8 pin, 9 pin, 10 pin, 11 pin, 24 pin, 25 pin, 37 pin, 38 pin, 39 pin, 40 pin, 51 pin, 52 pin, 53 pin, 2 pin, 3 pin, 4 pin of STM32F103RCT6 chip respectively;
Keystroke interface circuit adopts a keystroke interface P10,1 pin of keystroke interface P10,2 pin, 3 pin, 4 add, 5 pin connect VCC end respectively after contact resistance R5, resistance R6, resistance R12, resistance R13, resistance R17 together, are connected respectively to again 36 pin, 35 pin, 34 pin, 33 pin, 14 pin of STM32F103RCT6 chip simultaneously;
Stepper motor interface circuit adopts a stepper motor interface P11, and 1 pin of stepper motor interface P11 connects 5V power supply, and 2 pin, 3 pin, 4 pin, 5 pin receive 1 pin, 2 pin, 8 pin, 9 pin of L297 integrated chip U2 in stepper motor driver circuit respectively.
10. according to claim 9 a kind of for checking the automation equipment of wind sensor, it is characterized in that: the application program of this device comprises primary control program and stepper motor pulsed drive subroutine, primary control program has following steps: after initialization, control assembly coupling arrangement controller, if successful connection, apparatus main body member reset, wind direction or wind speed inspection are selected, if select wind direction inspection, different air speed value is sent into wind-tunnel, send into stepper motor driver by needing pulse corresponding to the angle value of inspection and call stepper motor pulsed drive subroutine, then wind sensor data are read, if read data success, then calculate angle value and wind sensor anglec of rotation deviation, then deviate is shown in liquid crystal display, data are saved to database, print if select, namely examining report is printed, if select wind speed inspection, the air speed value that need check sends into wind-tunnel, calculation of wind speed value and wind sensor measuring wind value deviation, and then deviate is shown in liquid crystal display, data are saved to database, prints, namely print examining report if select,
Stepper motor pulsed drive subroutine has the following steps: first judge whether direction input is rotating forward, if rotate forward, the pulse motor that the anglec of rotation of setting is corresponding rotates forward; Otherwise the pulse motor reversion that the anglec of rotation of setting is corresponding, if terminate, then turns back to primary control program.
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| CN109342768A (en) * | 2018-09-13 | 2019-02-15 | 蚌埠市龙子湖区金力传感器厂 | A kind of air velocity transducer detection device |
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| CN109633208A (en) * | 2019-01-22 | 2019-04-16 | 四川省气象探测数据中心 | Air velocity transducer quality determining method and device |
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| CN109738672B (en) * | 2019-04-02 | 2019-06-25 | 潍柴动力股份有限公司 | A kind of paddle wheel anemometer caliberating device |
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