CN107941452A - A kind of wind-force measure and control device and its control method - Google Patents
A kind of wind-force measure and control device and its control method Download PDFInfo
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- CN107941452A CN107941452A CN201711415147.7A CN201711415147A CN107941452A CN 107941452 A CN107941452 A CN 107941452A CN 201711415147 A CN201711415147 A CN 201711415147A CN 107941452 A CN107941452 A CN 107941452A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
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Abstract
The present invention provides a kind of wind-force measure and control device, including experiment ball, the testing tube of both ends open, microcontroller and key-press module, display module, power module and the infrared distance measurement module with the monolithic mechatronics respectively；The experiment ball is arranged in the testing tube, and the test side of the infrared distance measurement module is set close to one end of testing tube, and the other end of the testing tube is equipped with wind turbine, the air outlet face experiment ball of wind turbine；Infrared distance measurement module, for real-time test experience ball in the position of the interior intracavitary of testing tube, and is transferred to the microcontroller by the positional information detected；Microcontroller, display module is transferred to for receiving and handling the positional information of infrared distance measurement module, and by handling result, and the rotating speed of wind turbine is controlled using pid algorithm and by pwm signal.The embodiment of the present invention can effectively improve the experiment accuracy rate of wind-force bead system, while improve the convenience of experimental implementation.Present invention also offers a kind of control method of wind-force measure and control device.
Description
Technical field
The present invention relates to wind-tunnel reality observation and control technology field, more particularly, to a kind of wind-force measure and control device and its control method.
Background technology
At present, wind-force bead system is to carry out that aerodynamic experiment is the most frequently used, a kind of most effective pipe-like experimental facilities.
Wind-force bead system is to produce and control in a manual manner air-flow, for the flowing of simulated flight device or entity ambient gas
Situation, and can be used for measuring air-flow to the action effect of entity and observation physical phenomenon.
In the prior art, the cost of manufacture of wind-force bead system is higher, and generally use ultrasonic distance measuring module carries out ranging.
Ultrasonic distance measuring module is by exporting a response signal, the time difference between trigger signal and response signal, to judge object
Distance, but ultrasonic distance measuring module be applied to pipeline in bead small distance measurement, in the smaller situation of relative error
Under, its error is more relatively large than the error of obvious ranging, causes the accurate location for being difficult to detect bead in pipeline；And pipeline
The control of interior bead state is not easy to stablize, and causes pilot process longer；Therefore, the experiment accuracy rate of wind-force bead system is low,
And inconvenient experimental implementation.
The content of the invention
An embodiment of the present invention provides a kind of wind-force measure and control device and its control method, to solve existing wind-force bead system
The experiment accuracy rate of system is low, and the technical problem of inconvenient experimental implementation, to effectively improve the experiment of wind-force bead system standard
True rate, while improve the convenience of experimental implementation.
In order to solve the above technical problem, the present invention provides a kind of wind-force measure and control device, including experiment ball, both ends open
Testing tube, microcontroller and the key-press module with the monolithic mechatronics, display module, power module and infrared respectively
Range finder module；The experiment ball is arranged on the interior intracavitary of the testing tube, and the test side of the infrared distance measurement module is close to the survey
One end of test tube is set, and the other end of the testing tube is equipped with the wind turbine with the monolithic mechatronics, and the wind turbine goes out
Ball is tested described in the face of air port；
The infrared distance measurement module, for detecting the position of interior intracavitary of the experiment ball in the testing tube in real time, and
The positional information detected is transferred to the microcontroller；
The microcontroller, is transmitted for receiving and handling the positional information of the infrared distance measurement module, and by handling result
To the display module, and control using pid algorithm and by pwm signal the rotating speed of the wind turbine；
The key-press module, for triggering the microcontroller setting and adjusting the experiment ball in the inner cavity of the testing tube
Interior position；
The display module, for showing the target position information for testing ball and the positional information detected in real time,
And the experiment ball is maintained at the time on same position；
The power module, for providing power supply for the microcontroller.
Preferably, the wind-force measure and control device further includes the first conical pipe and the second conical pipe of both ends open；
One end of first conical pipe is connected on one end of the testing tube, the horizontal stroke of one end of first conical pipe
Sectional area is more than the cross-sectional area of the other end of first conical pipe, and the test side of the infrared distance measurement module is close to described
The other end of first conical pipe is set；
One end of second conical pipe is connected on the other end of the testing tube, the other end of second conical pipe
Cross-sectional area be more than second conical pipe the other end cross-sectional area, and the assembling is in second conical pipe
The other end on.
Preferably, the wind-force measure and control device further includes base, stent and retainer ring；
The testing tube is socketed in the retainer ring, and the retainer ring is fixedly connected on the base by the stent
On.
Preferably, the stent is two, and the retainer ring is two；
Two stents are arranged in parallel, and two retainer rings are arranged in parallel, and the testing tube passes through described in two
Retainer ring is fixedly connected with two stents respectively, and the testing tube is arranged between two stents.
Preferably, the wind-force measure and control device further includes support base, and the support base is fixed on the base,
And the support base is set close to one end of the testing tube, the infrared distance measurement module is installed on the support base.
Preferably, the infrared distance measurement module includes control panel, and the test side of the infrared distance measurement module includes
Transmitting terminal and receiving terminal, the control terminal of the control panel are electrically connected with the transmitting terminal, the input terminal of the control panel with it is described
Receiving terminal is electrically connected, and the output terminal of the control panel is electrically connected with the distance measuring signal end of the microcontroller.
Preferably, the wind-force measure and control device further includes sound and light alarm module, the sound and light alarm module it is defeated
Outlet is electrically connected with the controlling alarm end of the microcontroller.
Preferably, the wind-force measure and control device further includes motor drive module, the motor drive module it is defeated
Enter end to be electrically connected with the air-blower control end of the microcontroller, the output terminal of the motor drive module is electrically connected with the wind turbine.
Preferably, the material of the testing tube is transparent material.
In order to solve identical technical problem, present invention also offers a kind of control applied to above-mentioned wind-force measure and control device
Method processed, comprises the following steps：
Open the power module；
The position of interior intracavitary of the experiment ball in the testing tube is detected in real time, and the positional information detected is transmitted
To the microcontroller；
The positional information of the infrared distance measurement module is received and handled, and handling result is transferred to the display module,
And the rotating speed of the wind turbine is controlled using pid algorithm and by pwm signal；
Trigger the microcontroller setting and adjust the position of interior intracavitary of the experiment ball in the testing tube；
The positional information for showing the target position information of the experiment ball and detecting in real time, and the experiment ball are kept
Time on same position.
Compared with the prior art, the beneficial effect of the embodiment of the present invention is, the present invention provides a kind of wind-force observing and controlling dress
Put, including experiment ball, the testing tube of both ends open, microcontroller and the key-press module with the monolithic mechatronics, aobvious respectively
Show module, power module and infrared distance measurement module；The experiment ball is arranged on the interior intracavitary of the testing tube, the infrared distance measurement
The test side of module is set close to one end of the testing tube, and the other end of the testing tube is equipped with to be electrically connected with the microcontroller
The wind turbine connect, tests ball described in the air outlet face of the wind turbine；The infrared distance measurement module, for detecting the experiment in real time
Ball is transferred to the microcontroller in the position of the interior intracavitary of the testing tube, and by the positional information detected；The microcontroller,
The display module is transferred to for receiving and handling the positional information of the infrared distance measurement module, and by handling result, and
The rotating speed of the wind turbine is controlled using pid algorithm and by pwm signal；The key-press module, sets for triggering the microcontroller
Position that is fixed and adjusting interior intracavitary of the experiment ball in the testing tube；The display module, for showing the experiment ball
Target position information and the positional information that detects in real time, and the experiment ball is maintained at the time on same position；Institute
Power module is stated, for providing power supply for the microcontroller.Constituted by the wind turbine, the testing tube and the experiment ball
The TT＆C system of simple wind-tunnel, and the microcontroller is as core controller, the wind turbine under the control of the microcontroller into
Row rotational speed regulation, so that the experiment ball is located at the diverse location of the interior intracavitary of the testing tube under air force, it is described red
Outer control module launches laser to the experiment ball by test side and receives return light, so as to detect the experiment in real time
Positional information of the ball under the blowing of the wind turbine, compared to ultrasonic distance measuring module, it is high with fast response time, accuracy rate
And the advantages of suitable for small distance measurement, so as to substantially increase the experiment accuracy rate of wind-force bead system；It is meanwhile described aobvious
Show that module can show the positional information detected in real time, so as to facilitate user to directly acquire the current position letter of the experiment ball
Cease and contrasted with default positional information, triggering the microcontroller by the key-press module adjusts turning for the wind turbine
Speed, so that the experiment ball reaches default position and kept for a period of time, and then simply and effectively reaches experiment purpose, and carries
The high reliability of experimental implementation.Present invention also offers a kind of control method of wind-force measure and control device.
Brief description of the drawings
Fig. 1 is the structure diagram of the wind-force measure and control device in the embodiment of the present invention；
Fig. 2 is the structure diagram of another angle of the wind-force measure and control device in the embodiment of the present invention；
Fig. 3 is the circuit structure diagram of the wind-force measure and control device in the embodiment of the present invention；
Fig. 4 is the program flow diagram of the wind-force measure and control device in the embodiment of the present invention；
Fig. 5 is the flow diagram of the control method of the wind-force measure and control device in the embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1 to Fig. 3, the present invention provides a kind of wind-force measure and control device, includes the test of experiment ball 23, both ends open
Pipe 22, microcontroller 10 and the key-press module 14 being electrically connected respectively with the microcontroller 10, display module 13, power module and
Infrared distance measurement module 11；The experiment ball 23 is arranged on the interior intracavitary of the testing tube 22, the detection of the infrared distance measurement module 11
End is set close to one end of the testing tube 22, and the other end of the testing tube 22 is equipped with what is be electrically connected with the microcontroller 10
Wind turbine 12, experiment ball 23 described in the air outlet face of the wind turbine 12；
The infrared distance measurement module 11, for detecting the position of interior intracavitary of the experiment ball 23 in the testing tube 22 in real time
Put, and the positional information detected is transferred to the microcontroller 10；
The microcontroller 10, for receiving and handling the positional information of the infrared distance measurement module 11, and by handling result
The display module 13 is transferred to, and the rotating speed of the wind turbine 12 is controlled using pid algorithm and by pwm signal；
The key-press module 14, the experiment ball 23 is set and adjusts in the testing tube for triggering the microcontroller 10
The position of 22 interior intracavitary；
The display module 13, for the position letter for showing the target position information of the experiment ball 23 and detecting in real time
Breath, and the experiment ball 23 are maintained at the time on same position；
The power module, for providing power supply for the microcontroller 10.
In embodiments of the present invention, constituted simply by the wind turbine 12, the testing tube 22 and the experiment ball 23
The TT＆C system of wind-tunnel, and the microcontroller 10 is used as core controller, the wind turbine 12 is under the control of the microcontroller 10
Rotational speed regulation is carried out, so that the experiment ball 23 is located at the diverse location of the interior intracavitary of the testing tube 22 under air force,
The infrared control module launches laser to the experiment ball 23 by test side and receives return light, so as to detect in real time
The experiment ball 23 blows lower positional information the wind turbine 12, and compared to ultrasonic distance measuring module, it has the response fast
Degree is fast, accuracy rate is high and the advantages of being measured suitable for small distance, so that the experiment for substantially increasing wind-force bead system is accurate
Rate；Meanwhile the display module 13 can show the positional information detected in real time, so as to facilitate user to directly acquire the reality
Test the current positional information of ball 23 and contrasted with default positional information, the monolithic is triggered by the key-press module 14
Machine 10 adjusts the rotating speed of the wind turbine 12, so that the experiment ball 23 reaches default position and keeps a period of time, Jin Erjian
Experiment purpose is singly effectively achieved, and improves the reliability of experimental implementation.
In the present embodiment, it should be noted that the microcontroller 10 is STM32F1 series monolithics 10, the monolithic
Machine 10 controls the motor of the wind turbine 12 to work with PWM mode, so that the rotating speed of the wind turbine 12 is controlled, the wind-force observing and controlling dress
The program flow diagram put is as shown in Figure 4.The microcontroller 10 detects the experiment ball in real time by the infrared distance measurement module 11
23 in the position of the interior intracavitary of the testing tube 22 and are handled, and output exports corresponding pwm signal, is controlled by pwm signal
The wind turbine 12 is rotated, so that the air force of friction speed is produced, so that the experiment ball 23 reaches default target
Position.10 cost of microcontroller is relatively low, easy to operate, so as to reduce the cost of the aerofoil control device, and improves institute
State reliability and convenience that wind-force measure and control device is used for teaching experiment.
It should be understood that STM32 microcontrollers 10 represent 32 8-digit microcontrollers of ARM Cortex-M kernels, there is high property
Can, real-time, low-power consumption, the advantages that easy to low voltage operating, while is also easy to develop.Wherein enhanced serial clock frequency
Reach 72MHz, be the highest product of performance in similar product；Basic model clock frequency is 36MHz, is obtained with the price of 16 products
It is the optimal selection of 32 product users to the performance being substantially improved than 16 products.All built-in 32K to the 128K's of two series
Flash memory, the difference is that the combination of the maximum capacity and Peripheral Interface of SRAM.During clock frequency 72MHz, code is performed from flash memory,
STM32 power consumption 36mA, are 32 in the markets products least in power-consuming, equivalent to 0.5mA/MHz.And the display module 13 includes
But it is not limited to OLED liquid crystal displays, LED display module etc..
In addition, the OLED liquid crystal displays are different from traditional LCD display modes, it is very thin without backlight, use
Coating of organic material and glass substrate, when have electric current by when, these organic materials will shine.And OLED display screen
It can be made lighter and thinner, visible angle bigger, and electric energy can be saved significantly on.
In the present embodiment, the wind turbine 12 is direct current aerofoil fan, it, which combines L298N modules, simply and effectively to lead to
The PWM mode for crossing the microcontroller 10 is controlled, so that the cost of the wind-force measure and control device is reduced, and the direct current axis
The rotating speed control of flow fan is more accurate, and the microcontroller 10 can efficiently control the turning so as to reaching control of direct current aerofoil fan
Make the experiment ball 23 and reach default target location.
The speed control principle of the wind turbine 12 is the PWM ripples that output different duty is controlled by the microcontroller 10 so that
The equivalent voltage for being added in the motor both ends of the wind turbine 12 is proportional to the duty cycle of PWM ripples.PWM ripples are by STM32 microcontrollers 10
Timer output in master control, runs determine the cycle of PWM ripples and accounting for for PWM ripples under the pattern that counts up, by master control
Empty ratio, therefore the microcontroller 10 can control the PWM ripples of output controllable duty ratio, exporting the PWM ripples of more big space rates can make
The rotating speed of motor is precisely controlled.
Referring to Fig. 1 and Fig. 2, in embodiments of the present invention, the wind-force measure and control device further includes the first cone of both ends open
24 and second conical pipe 25 of shape pipe；One end of first conical pipe 24 is connected on one end of the testing tube 22, and described
The cross-sectional area of one end of one conical pipe 24 is more than the cross-sectional area of the other end of first conical pipe 24, and the infrared survey
Test side away from module 11 is set close to the other end of first conical pipe 24；One end of second conical pipe 25 is connected to
On the other end of the testing tube 22, the cross-sectional area of the other end of second conical pipe 25 is more than second conical pipe 25
The other end cross-sectional area, and the wind turbine 12 be installed on second conical pipe 25 the other end on.First taper
Pipe 24, second conical pipe 25 and the testing tube 22 constitute venturi tube structure, and the wind turbine 12 is close to described second
Conical pipe 25 is set, enable to the air of outside by second conical pipe 25 the larger opening of cross-sectional area quickly into
Enter the interior intracavitary to the testing tube 22, so as to meet requirement of experiment.
Referring to Fig. 1 and Fig. 2, in embodiments of the present invention, the wind-force measure and control device further includes base 20, stent 26 and consolidates
Determine ring 27；The testing tube 22 is socketed in the retainer ring 27, and the retainer ring 27 is fixedly connected on by the stent 26
On the base 20.The interference fit of testing tube 22 is socketed in the retainer ring 27, so that the testing tube 22 is fixed on
On the base 20, consequently facilitating the progress of experimental implementation.
Referring to Fig. 1 and Fig. 2, in embodiments of the present invention, the stent 26 is two, and the retainer ring 27 is two；Two
A stent 26 is arranged in parallel, and two retainer rings 27 are arranged in parallel, and the testing tube 22 passes through two fixations
Ring 27 is fixedly connected with two stents 26 respectively, and the testing tube 22 is arranged between two stents 26, so that
Obtaining the testing tube 22 can be firmly secured on the base 20, and then improve the reliability of experimental implementation.
Referring to Fig. 1 and Fig. 2, in embodiments of the present invention, the wind-force measure and control device further includes support base 28, the support
Seat 28 is fixed on the base 20, and the support base 28 is set close to one end of the testing tube 22, the infrared distance measurement
Module 11 is installed on the support base 28, so that the infrared distance measurement module 11 can directly detect the experiment ball
23, and then improve the accuracy of experiment.
Referring to Fig. 1 to Fig. 3, in embodiments of the present invention, the infrared distance measurement module 11 includes control panel, the infrared survey
Test side away from module 11 includes transmitting terminal and receiving terminal, and the control terminal of the control panel is electrically connected with the transmitting terminal, described
The input terminal of control panel is electrically connected with the receiving terminal, the distance measuring signal end of the output terminal of the control panel and the microcontroller 10
It is electrically connected.
In embodiments of the present invention, it should be noted that the infrared distance measurement module 11 uses GY-53 infrared distance measurement modules
11.GY-53 infrared distance measurement modules 11 are the infrared planning sensor assemblies of a low-cost digital.Its operating voltage 3-5V, power consumption
It is small, it is small, it is easy for installation.The operation principle of the infrared distance measurement module 11 is：The hair of the infrared distance measurement module 11
Penetrate end and send infrared LED and shine, after being irradiated to testee, return light is received by MCU, and MCU calculates the time difference, obtain away from
From.Directly export distance value.This module have two ways read data, i.e. serial ports UART (Transistor-Transistor Logic level)+PWM (line) or
Chip I IC patterns, the baud rate of serial ports have 9600bps and 115200bps, can configure, and have continuous, inquiry output two ways,
Also can power down preservation setting.Relative to ultrasonic distance measuring module of the prior art, it is super by launching after a trigger signal
Sound wave, when ultrasonic projection to object reflects, module exports a response signal, with trigger signal and response signal
Between time difference, to judge the distance of object, measurement small distance, in the case where relative error is smaller, application condition is bright
Aobvious, therefore, the infrared distance measurement module 11 can substantially increase the experiment accuracy rate of wind-force bead system.
Referring to Fig. 3, in embodiments of the present invention, the wind-force measure and control device further includes sound and light alarm module 15, the sound
The output terminal of light alarm module 15 is electrically connected with the controlling alarm end of the microcontroller 10.When the infrared distance measurement module 11 detects
When to the target location of the experiment ball 23 and the position consistency detected in real time and stablizing, the bee of the sound and light alarm module 15
Ring device can send alarm, while the LED light of the sound and light alarm module 15 can also be lighted, to have prompted the experiment ball 23
Reach target location.
Referring to Fig. 3, in embodiments of the present invention, the wind-force measure and control device further includes motor drive module 17, the electricity
The input terminal of machine drive module 17 is electrically connected with 12 control terminal of wind turbine of the microcontroller 10, the motor drive module 17 it is defeated
Outlet is electrically connected with the wind turbine 12.
In embodiments of the present invention, 17 operating voltage of motor drive module is 12V.The microcontroller 10 and peripheral core
The operating voltage of piece circuit is 5V, and electric current 0.2A, voltage phase difference is larger, if using dual power supply 6V and 18-20V, can be met
Need, but need rectification, filtering, voltage stabilizing respectively.In conclusion the present invention powers using with power supply adaptor power supply, can be with
Meet the need of work of different voltages grade.
Referring to Fig. 1 and Fig. 2, in embodiments of the present invention, the material of the testing tube 22 is transparent material.The transparent material
Material includes but not limited to transparent acrylic, consequently facilitating user observes the position of the experiment ball 23 in the testing tube 22
Put.
Referring to Fig. 1 and Fig. 2, in embodiments of the present invention, the wind-force measure and control device further includes support plate 21, the support
One end of plate 21 is connected on the base 20, and the support plate 21 is vertical with the base 20.So that in experiment, user
Directly the base 20 and the support plate 21 are holded up, so that the testing tube 22 and horizontal plane, the experiment ball 23
Positioned at the bottom of the testing tube 22, when the wind turbine 12 starts, blow the experiment ball 23 and move upwards and be maintained at same
One position.
Referring to Fig. 4 and Fig. 5, in order to solve identical technical problem, it is applied to above-mentioned wind present invention also offers a kind of
The control method of power measure and control device, comprises the following steps：
S1, open the power module；
S2, the position for detecting interior intracavitary of the experiment ball 23 in the testing tube 22 in real time, and the position that will be detected
Information is transferred to the microcontroller 10；
The positional information of S3, reception and the processing infrared distance measurement module 11, and handling result is transferred to the display
Module 13, and control using pid algorithm and by pwm signal the rotating speed of the wind turbine 12；
S4, the triggering microcontroller 10 set and adjust the position of interior intracavitary of the experiment ball 23 in the testing tube 22
Put；
S5, the display target position information for testing ball 23 and the positional information detected in real time, and the experiment
Ball 23 is maintained at the time on same position.
In embodiments of the present invention, the experimental procedure of the wind-force measure and control device is：
Open the power module；
The position of interior intracavitary of the experiment ball 23 in the testing tube 22, and the positional information that will be detected are detected in real time
It is transferred to the microcontroller 10；
The positional information of the infrared distance measurement module 11 is received and handled, and handling result is transferred to the display module
13, and control using pid algorithm and by pwm signal the rotating speed of the wind turbine 12；
Trigger the position that the microcontroller 10 set and adjusted interior intracavitary of the experiment ball 23 in the testing tube 22；
The positional information for showing the target position information of the experiment ball 23 and detecting in real time, and the experiment ball 23
The time being maintained on same position.
The microcontroller 10 combines pid control algorithm, and the output phase answers the PWM ripples of duty cycle to control the rotating speed of motor to produce
Different wind-force, so that the psychomotor task of experiment 23 complete design of ball.The principle of PID control be according to systematic error,
Integrated by formula contrast example P, I differential D carries out computing, finally obtains output quantity.Ratio P can realize that the quick of system rings
Should；Integration I can reduce steady-state error；The variation tendency of differential D energy forecasting system errors, and then load regulation.
To sum up, the present invention provides a kind of wind-force measure and control device, including the testing tube 22 of experiment ball 23, both ends open, list
Piece machine 10 and the key-press module 14 being electrically connected respectively with the microcontroller 10, display module 13, power module and infrared survey
Away from module 11；The experiment ball 23 is arranged on the interior intracavitary of the testing tube 22, and the test side of the infrared distance measurement module 11 is close
One end of the testing tube 22 is set, and the other end of the testing tube 22 is equipped with the wind turbine being electrically connected with the microcontroller 10
12, experiment ball 23 described in the air outlet face of the wind turbine 12；The infrared distance measurement module 11, for detecting the experiment in real time
Ball 23 is transferred to the microcontroller 10 in the position of the interior intracavitary of the testing tube 22, and by the positional information detected；It is described
Microcontroller 10, described show is transferred to for receiving and handling the positional information of the infrared distance measurement module 11, and by handling result
Show module 13, and the rotating speed of the wind turbine 12 is controlled using pid algorithm and by pwm signal；The key-press module 14, is used for
Trigger the position that the microcontroller 10 set and adjusted interior intracavitary of the experiment ball 23 in the testing tube 22；The display mould
Block 13, for the positional information for showing the target position information of the experiment ball 23 and detecting in real time, and the experiment ball
23 are maintained at the time on same position；The power module, for providing power supply for the microcontroller 10.Pass through the wind turbine
12nd, the testing tube 22 and the experiment ball 23 constitute the TT＆C system of simple wind-tunnel, and the microcontroller 10 is used as core
Controller, the wind turbine 12 carry out rotational speed regulation under the control of the microcontroller 10, so that the experiment ball 23 is moved in air
It is located at the diverse location of the interior intracavitary of the testing tube 22 under power, the infrared control module passes through test side and launches laser to institute
State on experiment ball 23 and receive return light, so as to detect position of the experiment ball 23 under the blowing of the wind turbine 12 in real time
Information, compared to ultrasonic distance measuring module, it is high and excellent suitable for small distance measurement with fast response time, accuracy rate
Point, so as to substantially increase the experiment accuracy rate of wind-force bead system；Meanwhile the display module 13 can show real-time detection
The positional information arrived, thus facilitate user directly acquire the current positional information of the experiment ball 23 and with default positional information
Contrasted, the rotating speed that the microcontroller 10 adjusts the wind turbine 12 is triggered by the key-press module 14, so that the experiment
Ball 23 reaches default position and is kept for a period of time, and then simply and effectively reaches experiment purpose, and improves experimental implementation
Reliability.Present invention also offers a kind of control method of wind-force measure and control device.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention cannot being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and is weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random
AccessMemory, RAM) etc..
Claims (10)
1. a kind of wind-force measure and control device, it is characterised in that including experiment ball, the testing tube of both ends open, microcontroller and difference
With key-press module, display module, power module and the infrared distance measurement module of the monolithic mechatronics；The experiment ball is arranged on
The interior intracavitary of the testing tube, the test side of the infrared distance measurement module are set close to one end of the testing tube, the test
The other end of pipe is equipped with the wind turbine with the monolithic mechatronics, and ball is tested described in the air outlet face of the wind turbine；
The infrared distance measurement module, for detecting the position of interior intracavitary of the experiment ball in the testing tube in real time, and will inspection
The positional information measured is transferred to the microcontroller；
The microcontroller, institute is transferred to for receiving and handling the positional information of the infrared distance measurement module, and by handling result
Display module is stated, and the rotating speed of the wind turbine is controlled using pid algorithm and by pwm signal；
The key-press module, for triggering microcontroller setting and adjusting interior intracavitary of the experiment ball in the testing tube
Position；
The display module, for the positional information for showing the target position information of the experiment ball and detecting in real time, and
The experiment ball is maintained at the time on same position；
The power module, for providing power supply for the microcontroller.
2. wind-force measure and control device as claimed in claim 1, it is characterised in that the wind-force measure and control device further includes both ends open
The first conical pipe and the second conical pipe；
One end of first conical pipe is connected on one end of the testing tube, the cross section of one end of first conical pipe
Product is more than the cross-sectional area of the other end of first conical pipe, and the test side of the infrared distance measurement module is close to described first
The other end of conical pipe is set；
One end of second conical pipe is connected on the other end of the testing tube, the horizontal stroke of the other end of second conical pipe
Sectional area is more than the cross-sectional area of the other end of second conical pipe, and the assembling is in the another of second conical pipe
On one end.
3. wind-force measure and control device as claimed in claim 1 or 2, it is characterised in that the wind-force measure and control device further include base,
Stent and retainer ring；
The testing tube is socketed in the retainer ring, and the retainer ring is fixedly connected on the base by the stent.
4. wind-force measure and control device as claimed in claim 3, it is characterised in that the stent is two, and the retainer ring is two
It is a；
Two stents are arranged in parallel, and two retainer rings are arranged in parallel, and the testing tube passes through two fixations
Ring is fixedly connected with two stents respectively, and the testing tube is arranged between two stents.
5. wind-force measure and control device as claimed in claim 1, it is characterised in that the wind-force measure and control device further includes support base,
The support base is fixed on the base, and the support base is set close to one end of the testing tube, the infrared distance measurement
Module is installed on the support base.
6. the wind-force measure and control device as described in claim 1 or 5, it is characterised in that the infrared distance measurement module includes control panel,
The test side of the infrared distance measurement module includes transmitting terminal and receiving terminal, and the control terminal of the control panel is electrically connected with the transmitting terminal
Connect, the input terminal of the control panel is electrically connected with the receiving terminal, the ranging of the output terminal of the control panel and the microcontroller
Signal end is electrically connected.
7. wind-force measure and control device as claimed in claim 1, it is characterised in that the wind-force measure and control device further includes sound-light alarm
Module, the output terminal of the sound and light alarm module are electrically connected with the controlling alarm end of the microcontroller.
8. wind-force measure and control device as claimed in claim 1, it is characterised in that the wind-force measure and control device further includes motor driving
Module, the input terminal of the motor drive module are electrically connected with the air-blower control end of the microcontroller, the motor drive module
Output terminal be electrically connected with the wind turbine.
9. wind-force measure and control device as claimed in claim 1, it is characterised in that the material of the testing tube is transparent material.
A kind of 10. control method being applied to such as claim 1~9 any one of them wind-force measure and control device, it is characterised in that
Comprise the following steps：
Open the power module；
The position of interior intracavitary of the experiment ball in the testing tube is detected in real time, and the positional information detected is transferred to institute
State microcontroller；
The positional information of the infrared distance measurement module is received and handled, and handling result is transferred to the display module, and
The rotating speed of the wind turbine is controlled using pid algorithm and by pwm signal；
Trigger the microcontroller setting and adjust the position of interior intracavitary of the experiment ball in the testing tube；
The positional information for showing the target position information of the experiment ball and detecting in real time, and the experiment ball are maintained at same
Time on one position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711415147.7A CN107941452A (en) | 2017-12-21 | 2017-12-21 | A kind of wind-force measure and control device and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711415147.7A CN107941452A (en) | 2017-12-21 | 2017-12-21 | A kind of wind-force measure and control device and its control method |
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Family
ID=61939891
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| CN201711415147.7A Pending CN107941452A (en) | 2017-12-21 | 2017-12-21 | A kind of wind-force measure and control device and its control method |
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