CN107103822A - A kind of ultrasonic experiment equipment for possessing a variety of detection functions and its application - Google Patents
A kind of ultrasonic experiment equipment for possessing a variety of detection functions and its application Download PDFInfo
- Publication number
- CN107103822A CN107103822A CN201710429558.5A CN201710429558A CN107103822A CN 107103822 A CN107103822 A CN 107103822A CN 201710429558 A CN201710429558 A CN 201710429558A CN 107103822 A CN107103822 A CN 107103822A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000006870 function Effects 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims description 17
- 230000001276 controlling effect Effects 0.000 claims description 12
- 230000008859 change Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims description 3
- 230000002337 anti-port Effects 0.000 claims description 3
- 230000009711 regulatory function Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/14—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for acoustics
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/08—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring roughness or irregularity of surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H5/00—Measuring propagation velocity of ultrasonic, sonic or infrasonic waves, e.g. of pressure waves
Abstract
The invention discloses a kind of ultrasonic experiment equipment for possessing a variety of detection functions, on its guidance panel set ultrasonic sensor, balk board, guide track transmission mechanism, the first display module for showing ultrasonic ranging value, for show ultrasonic wave from be transmitted into receive round trip time value the second display module, A/D module and D/A module；The ultrasonic sensor is arranged on sensor stand, and sensor stand is arranged on the first sliding block, and the first sliding block is slidably mounted on the first guide rail, and the first guide rail is fixed on guidance panel；Balk board is arranged in guide track transmission mechanism；The waveform experiment of Sound Velocity Measurements, the experiment of object flatness detection, and observation ultrasonic sensor feedback signal can be carried out using this experimental facilities.
Description
Technical field
The invention belongs to teaching experimental equipment technical field, and in particular to a kind of ultrasonic wave for possessing a variety of detection functions is real
Test equipment.
Background technology
Due to ultrasonic wave in industry and the application in the field such as scientific research widely, so by ultrasonic applications in physics
In the teaching of experiment basis course, it appears particularly important.On experiment content, traditional experiment is laid particular emphasis on adjusts ripple using oscillograph
Shape, is needed to shake handwheel to move ultrasonic sensor during regulation measurement distance, and many links are itself has an increased to experiment measurement
The error brought during with manual movement；And experimental facilities function is single, area occupied is larger, it is impossible to meet teaching request.
The content of the invention
The desired limitation aimed to overcome that in existing experimental method of the present invention possesses a variety of detection work(there is provided one kind
The ultrasonic experiment equipment of energy.
The present invention is achieved by the following technical solutions：
A kind of ultrasonic experiment equipment for possessing a variety of detection functions, it includes casing, guidance panel, controller, ultrasound
Wave sensor, balk board, guide track transmission mechanism, the first display module for showing ultrasonic ranging value, for showing ultrasound
Ripple receives the second display module and A/D module of round trip time value from being transmitted into；
First display module, the second display module, controller, A/D module are inlaid on guidance panel, the operation
Panel is arranged on casing；
The ultrasonic sensor is arranged on sensor stand, and sensor stand is arranged on the first sliding block, and first slides
Block is slidably mounted on the first guide rail, and the first guide rail is fixed on guidance panel；
The guide track transmission mechanism is arranged on the probe side of ultrasonic sensor, and guide track transmission mechanism is slowed down including direct current
Motor, the second guide rail, the second sliding block, timing belt, driven pulley, driving pulley and driven pulley fixing device；Driving pulley with
DC speed-reducing output shaft is connected, and driven pulley peace turns in driven pulley fixing device, DC speed-reducing and driven belt
Wheel fixing device is fixed on guidance panel, and timing belt is arranged on driving pulley and driven pulley, and the second guide rail is erected at master
Between movable belt pulley and driven pulley, the second sliding block is slidably mounted on the second guide rail, and the second sliding block is fastenedly connected with timing belt,
So that the second sliding block on the second guide rail with synchronous Tape movement；There is slot, the balk board is assigned into vertically on second sliding block
In the slot of sliding block, balk board and the second guide rail are perpendicular, and first guide rail and the second guide rail are perpendicular；In the second guide rail
One end of close ultrasonic sensor be provided with the first limit switch, in one end of the remote ultrasonic sensor of the second guide rail
It is provided with the second limit switch；
The side of casing be provided with for control the first movable button that balk board moves to ultrasonic sensor direction, with
And for controlling balk board to the second movable button moved away from ultrasonic sensor direction；
The ultrasonic wave emission switch for controlling ultrasonic sensor open and-shut mode is additionally provided with guidance panel；
Ultrasonic sensor connects controller, controller input connection ultrasonic wave emission switch, first by A/D module
Limit switch, the second limit switch, the first movable button and the second movable button, controller output end connection direct current slow down electric
Machine；Controller is according to the switching signal of ultrasonic wave emission switch, control ultrasonic sensor open and close；Controller is received
After first movable button trigger signal, controller control DC speed-reducing operating makes balk board to ultrasonic sensor direction
It is mobile；Controller is received after the second movable button trigger signal, controller control DC speed-reducing antiport, makes obstacle
Plate is moved to away from ultrasonic sensor direction.
In the above-mentioned technical solutions, the controller uses PLC, PLC to be transistor output type, its model Mitsubishi
FX2N-36MT, the A/D module model FX2N-4AD, the ultrasonic sensor model LM-112-010-DAC.
In the above-mentioned technical solutions, the controller uses single-chip microcomputer.
In the above-mentioned technical solutions, sensor stand has three rotary freedom regulatory functions, and sensor stand includes
Support, the first steering wheel, the first U-shaped frame, the second steering wheel, the second U-shaped frame and by the 3rd servo driving of mounting ultrasonic probe
Rotating disk, the support is fixed on the first steering wheel by steering wheel disk, and the first steering wheel is arranged on the first U-shaped frame, the first U-shaped frame
It is fastenedly connected with the second steering wheel, the second steering wheel is arranged on the second U-shaped frame, and the second U-shaped frame is fixed on rotating disk, and rotating disk is arranged on
On first sliding block；The direction of rotation of first steering wheel, the second steering wheel and the 3rd steering wheel is mutually perpendicular to；
Body side be provided with for control the first steering wheel the first servos control button, for controlling the second steering wheel
Second servos control button and the 3rd servos control button for controlling the 3rd steering wheel；First servos control button, second
Servos control button and the 3rd servos control button are connected with controller；In use, input of the controller according to three buttons
Signal controls three steering wheel actions respectively, makes ultrasonic sensor probe alignment target object.
In the above-mentioned technical solutions, D/A module, the output end connection D/A module of controller, DA are additionally provided with guidance panel
Module has the output line for being used for connecting oscillograph；The output line of D/A module is connected to oscillograph, and controller will by D/A module
The ultrasonic sensor data signal received is converted to analog signal output to oscillograph, and observation ultrasound is carried out by oscillograph
The waveform experiment of wave sensor feedback signal.
Sound Velocity Measurements are carried out using the described ultrasonic experiment equipment for possessing a variety of detection functions, application method is such as
Under：
Step one：First, the first movable button is pressed, controller is received after the first movable button trigger signal, controlled
Device control DC speed-reducing operating, makes the second sliding block drive balk board to be moved to ultrasonic sensor direction, and make the second cunning
Block touches the first limit switch, and controller is received after the trigger signal of the first limit switch, and controller control direct current slows down electric
Machine stops, and now balk board returns to original position；
Step 2：Open ultrasonic wave emission switch, the ultrasonic sensor probe that the first display module of record is shown to barrier
Hinder the ultrasonic wave that the distance value s1 and the second display module of plate are shown from the time value t1 for being transmitted into reception round trip；
Step 3：Ultrasonic wave emission switch is closed, the second movable button is pressed, by balk board to away from ultrasonic sensor
A segment distance is moved in direction, is then again turned on ultrasonic wave emission switch, the record ultrasonic wave that now the first display module is shown
The ultrasonic wave that the distance value s2 and the second display module of sensor probe to balk board are shown is from being transmitted into reception round trip
Time value t2；
Step 4：The distance of repeat step three, insufficiency of accommodation plate and ultrasonic sensor, records some groups first display moulds
The ultrasonic wave that the distance value sn and the second display module of the ultrasonic sensor probe that block is shown to balk board are shown is from transmitting
To the time value tn for receiving round trip, the calculating of the velocity of sound is carried out using these data.
Detection object flatness experiment is carried out using the described ultrasonic experiment equipment for possessing a variety of detection functions, is used
Method is as follows：
First, the balk board of different flatness is changed, by pressing the first movable button and the second movable button by obstacle
Plate is moved in the middle part of the second guide rail；Then ultrasonic wave emission switch is opened, promotes the first sliding block to be moved along the first guide rail, is seen simultaneously
The numerical value change on the first display module is examined, numerical value change exceedes certain limit, then this balk board out-of-flatness；By relatively more different
The numerical value change of balk board, carrys out the different obstacle plate flatness sizes of comparison.
The advantages of the present invention are：
The ultrasonic experiment equipment of the present invention has a variety of detection functions, enriches the operability of experiment, and this experiment
Equipment is integrated the subjects such as machinery, electrical control, physics, mathematics, is conducive to manipulative ability, the observation energy of training student
Power, logical thinking ability and data-handling capacity, can comprehensive training student.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention one.
Fig. 2 is the structural representation of the guide track transmission mechanism in the embodiment of the present invention one.
Fig. 3 is the circuit connection structure schematic diagram of the embodiment of the present invention one.
Fig. 4 is the structural representation of the sensor stand of the embodiment of the present invention two.
Fig. 5 is the structural representation of the control button of three steering wheels of the embodiment of the present invention two.
Fig. 6 is the circuit connection structure schematic diagram of the embodiment of the present invention three.
Embodiment
Technical scheme is further illustrated with reference to specific embodiment.
Embodiment one：
As illustrated in fig. 1 and 2, a kind of ultrasonic experiment equipment for possessing a variety of detection functions, it includes casing (or box body)
1st, guidance panel 12, controller 5, ultrasonic sensor 4, balk board 6, guide track transmission mechanism, for showing ultrasonic ranging value
The first display module 10, for show ultrasonic wave from be transmitted into receive round trip time value the second display module 13 and AD
Module 7；
First display module 10, the second display module 13, controller 5, A/D module 7 are inlaid on guidance panel 12,
The guidance panel 12 is arranged on casing 1；
The ultrasonic sensor 4 is arranged on sensor stand 3, and sensor stand 3 is arranged on the first sliding block 2, the
One sliding block 2 is slidably mounted on the first guide rail 2-1, and the first guide rail 2-1 is fixed on guidance panel 12；
The guide track transmission mechanism is arranged on the probe side of ultrasonic sensor 4, as shown in Fig. 2 guide track transmission mechanism
Including DC speed-reducing 15, the second guide rail 19, the second sliding block 20, timing belt 25, driven pulley 27, driving pulley 28 and driven
Belt wheel fixing device 26；Driving pulley 28 is connected with the output shaft of DC speed-reducing 15, and the peace of driven pulley 27 turns in driven pulley
In fixing device 26, DC speed-reducing 15 and driven pulley fixing device 26 are fixed on guidance panel 12, and timing belt 25 is pacified
On driving pulley 28 and driven pulley 27, the second guide rail 19 is erected between driving pulley 28 and driven pulley 27, and second
Sliding block 20 is slidably mounted on the second guide rail 19, and the second sliding block 20 is fastenedly connected with timing belt 25, so that the second sliding block 20 exists
Moved on second guide rail 19 with timing belt 25；There is slot, the balk board 6 assigns into sliding block 20 vertically on second sliding block 20
In slot, balk board and the second guide rail 19 are perpendicular, and the first guide rail 2-1 and the second guide rail 19 are perpendicular；Led second
One end (that is, in Fig. 1, the left end of the second guide rail 19) of the close ultrasonic sensor 4 of rail 19 is provided with the first limit switch 21,
One end (that is, in Fig. 1, the right-hand member of the second guide rail 19) of the remote ultrasonic sensor 4 of second guide rail 19 is provided with the second limit
Bit switch 18；
The side of casing 1 is provided with the first movable button for controlling balk board to be moved to ultrasonic sensor direction
16 and for control balk board to away from ultrasonic sensor direction move the second movable button 17；I.e. first movement is pressed
The movable button 17 of button 16 and second controls the rotating of DC speed-reducing 15, to control the moving direction of balk board 6；
The ultrasonic wave emission switch for controlling the open and-shut mode of ultrasonic sensor 4 is additionally provided with guidance panel 12
11；
Referring to accompanying drawing 3, ultrasonic sensor connects controller, the connection ultrasonic wave transmitting of controller input by A/D module
The 11, first limit switch 21, the second limit switch 18, the first movable button 16 and the second movable button 17 are switched, controller is defeated
Go out end connection DC speed-reducing 15；Controller controls ultrasonic sensor according to the switching signal of ultrasonic wave emission switch 11
Open and close；Controller is received after the trigger signal of the first movable button 16, controller control DC speed-reducing operating, is made
Balk board is moved to ultrasonic sensor direction；Controller is received after the trigger signal of the second movable button 17, controller control
DC speed-reducing antiport, makes balk board be moved to away from ultrasonic sensor direction.
The controller uses PLC, PLC to be transistor output type, its model mitsubishi FX2N -36MT, the A/D module
Model FX2N-4AD, the ultrasonic sensor model LM-112-010-DAC.
The controller can also use single-chip microcomputer.
Sound Velocity Measurements are carried out using the ultrasonic experiment equipment of the present embodiment, application method is as follows：
Step one：First, the first movable button 16 is pressed, controller is received after the trigger signal of the first movable button 16,
Controller control DC speed-reducing operating, makes the second sliding block 20 drive balk board 6 to be moved to the direction of ultrasonic sensor 4, and
The second sliding block 20 is set to touch the first limit switch 21, controller is received after the trigger signal of the first limit switch 21, controller
DC speed-reducing is controlled to stop, now balk board returns to original position；
Step 2：Open ultrasonic wave emission switch 11, the ultrasonic sensor probe of record the first display module 10 display
The ultrasonic wave shown to the distance value s1 of balk board and the second display module 13 is from being transmitted into the time value that receives round trip
t1；
Step 3：Ultrasonic wave emission switch 11 is closed, the second movable button 17 is pressed, by balk board 6 to away from ultrasonic wave
Sensor orientation moves a segment distance (unclamping after the second movable button 17, balk board both stopped), is then again turned on ultrasonic wave
Emission switch 11, record now the first display module 10 display ultrasonic sensor probe to balk board distance value s2 and
The ultrasonic wave that second display module 13 is shown receives the time value t2 of round trip from being transmitted into；
Step 4：Repeat step three, the distance of insufficiency of accommodation plate 6 and ultrasonic sensor, records some groups first and shows
The ultrasonic wave that the ultrasonic sensor probe that module 10 is shown is shown to the distance value sn of balk board and the second display module 13
From the time value tn for being transmitted into reception round trip, these data are utilized to carry out the calculating of the velocity of sound.
Detection object flatness experiment is carried out using the ultrasonic experiment equipment of the present embodiment, application method is as follows：
First, the balk board 6 of different flatness is changed, will by pressing the first movable button 16 and the second movable button 17
Balk board is moved to the middle part of the second guide rail 19；Then ultrasonic wave emission switch 11 is opened, the first sliding block 2 is promoted along the first guide rail 2-
1 movement, while observing the numerical value change on the first display module 10, numerical value change exceedes certain limit, then this balk board is uneven
It is whole；By the numerical value change of relatively more different balk boards, carry out the different obstacle plate flatness sizes of comparison.
Case lid 8 is additionally provided with casing 1, case lid 8 is hinged on the side of casing 1 by hinge；When without using this equipment,
Balk board 6 is removed, case lid 8 is covered.
Embodiment two：
As shown in figure 4, the difference of embodiment two and embodiment one is：Sensor stand 3 in embodiment one has
Have three rotary freedom regulatory functions, sensor stand 3 include the support 3-1 that mounting ultrasonic pops one's head in, the first steering wheel 3-2,
First U-shaped frame 3-3, the second steering wheel 3-4, the second U-shaped frame 3-5 and the rotating disk 3-6 by the 3rd servo driving, the support 3-1
It is fixed on the first steering wheel 3-2 that (support 3-1 is fastenedly connected by screw with steering wheel disk, steering wheel disk and the first rudder by steering wheel disk
Machine 3-2 is tightly connected with), the first steering wheel 3-2 is arranged on the first U-shaped frame 3-3, the first U-shaped frame 3-3 and the second steering wheel
3-4 is fastenedly connected, and the second steering wheel 3-4 is arranged on the second U-shaped frame 3-5, and the second U-shaped frame 3-5 is fixed on rotating disk 3-6, rotating disk
On the first sliding block 2.First steering wheel 3-2, the second steering wheel 3-4 and the 3rd steering wheel direction of rotation are mutually perpendicular to, i.e., and first
Steering wheel 3-2 realizes that being rotated around X-axis of support 3-1, the second steering wheel 3-4 realize that support 3-1 rotates around Y-axis, the 3rd steering wheel realizes branch
Frame 3-1 rotates about the z axis；
As shown in figure 5, being provided with three control buttons for controlling three steering wheels respectively in the side of casing 1：Control first
First servos control button 22 of steering wheel, the second servos control button 23 for controlling the second steering wheel and control the 3rd steering wheel
3rd servos control button 24；First servos control button 22, the second servos control button 23 and the 3rd servos control button 24
It is connected with controller.In use, controller controls three steering wheel actions respectively according to the input signal of three buttons, so that real
The angular adjustment of existing ultrasonic sensor 4.
The ultrasonic experiment equipment of the present embodiment can be applied in real work, in ultrasonic sensor measurement range,
The distance of ultrasonic sensor 4 and target object is measured, method of testing is：By controlling three buttons to control three steering wheels respectively
Action, so as to realize the angular adjustment of ultrasonic sensor 4, makes the alignment probe target object of ultrasonic sensor 4, opens ultrasound
I.e. the distance between display ultrasonic sensor and target object are worth on ripple emission switch 11, the first display module 10.
Embodiment three：
On the basis of embodiment one, D/A module is additionally provided with guidance panel 12, referring to accompanying drawing 6, the output of controller
End connection D/A module, D/A module has the output line for being used for connecting oscillograph；
The output line of D/A module is connected to oscillograph, and controller is digital by the ultrasonic sensor received by D/A module
Signal is converted to analog signal output to oscillograph, and the waveform for observe ultrasonic sensor feedback signal by oscillograph is real
Test.
Exemplary description is done to the present invention above, it should explanation, in the situation for the core for not departing from the present invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent substitution of creative work equal
Fall into protection scope of the present invention.
Claims (7)
1. a kind of ultrasonic experiment equipment for possessing a variety of detection functions, it is characterised in that：It includes casing, guidance panel, control
Device processed, ultrasonic sensor, balk board, guide track transmission mechanism, the first display module for showing ultrasonic ranging value, it is used for
Display ultrasonic wave receives the second display module and A/D module of round trip time value from being transmitted into；
First display module, the second display module, controller, A/D module are inlaid on guidance panel, the guidance panel
On casing；
The ultrasonic sensor is arranged on sensor stand, and sensor stand is arranged on the first sliding block, and the first sliding block is slided
Dynamic to be arranged on the first guide rail, the first guide rail is fixed on guidance panel；
The guide track transmission mechanism is arranged on the probe side of ultrasonic sensor, and guide track transmission mechanism includes direct current deceleration electricity
Machine, the second guide rail, the second sliding block, timing belt, driven pulley, driving pulley and driven pulley fixing device；Driving pulley with it is straight
Reducing motor output shaft connection is flowed, driven pulley peace turns in driven pulley fixing device, DC speed-reducing and driven pulley
Fixing device is fixed on guidance panel, and timing belt is arranged on driving pulley and driven pulley, and the second guide rail is erected at actively
Between belt wheel and driven pulley, the second sliding block is slidably mounted on the second guide rail, and the second sliding block is fastenedly connected with timing belt, with
Make the second sliding block on the second guide rail with synchronous Tape movement；There is slot, the balk board assigns into cunning vertically on second sliding block
In the slot of block, balk board and the second guide rail are perpendicular, and first guide rail and the second guide rail are perpendicular；In the second guide rail
One end close to ultrasonic sensor is provided with the first limit switch, is set in one end of the remote ultrasonic sensor of the second guide rail
It is equipped with the second limit switch；
The side of casing is provided with the first movable button, Yi Jiyong for controlling balk board to be moved to ultrasonic sensor direction
In control balk board to the second movable button away from the movement of ultrasonic sensor direction；
The ultrasonic wave emission switch for controlling ultrasonic sensor open and-shut mode is additionally provided with guidance panel；
Ultrasonic sensor connects controller by A/D module, controller input connection ultrasonic wave emission switch, first spacing
Switch, the second limit switch, the first movable button and the second movable button, controller output end connection DC speed-reducing；Control
Device processed is according to the switching signal of ultrasonic wave emission switch, control ultrasonic sensor open and close；Controller receives first
After movable button trigger signal, controller control DC speed-reducing operating makes balk board be moved to ultrasonic sensor direction；
Controller is received after the second movable button trigger signal, controller control DC speed-reducing antiport, make balk board to
Away from the movement of ultrasonic sensor direction.
2. the ultrasonic experiment equipment according to claim 1 for possessing a variety of detection functions, it is characterised in that：The control
Device uses PLC, PLC to be transistor output type, its model mitsubishi FX2N -36MT, the A/D module model FX2N-4AD, institute
State ultrasonic sensor model LM-112-010-DAC.
3. the ultrasonic experiment equipment according to claim 1 for possessing a variety of detection functions, it is characterised in that：The control
Device uses single-chip microcomputer.
4. the ultrasonic experiment equipment according to claim 1 for possessing a variety of detection functions, it is characterised in that：Sensor branch
Frame has three rotary freedom regulatory functions, support of the sensor stand including mounting ultrasonic probe, the first steering wheel, first
U-shaped frame, the second steering wheel, the second U-shaped frame and the rotating disk by the 3rd servo driving, the support are fixed on by steering wheel disk
On one steering wheel, the first steering wheel is arranged on the first U-shaped frame, and the first U-shaped frame is fastenedly connected with the second steering wheel, and the second steering wheel is arranged on
On second U-shaped frame, the second U-shaped frame is fixed on rotating disk, and rotating disk is arranged on the first sliding block；First steering wheel, the second steering wheel and
The direction of rotation of three steering wheels is mutually perpendicular to；
Body side is provided with the first servos control button for the first steering wheel of control, second for the second steering wheel of control
Servos control button and the 3rd servos control button for controlling the 3rd steering wheel；First servos control button, the second steering wheel
Control button and the 3rd servos control button are connected with controller；In use, input signal of the controller according to three buttons
Three steering wheel actions are controlled respectively, make ultrasonic sensor probe alignment target object.
5. the ultrasonic experiment equipment according to claim 1 for possessing a variety of detection functions, it is characterised in that：Guidance panel
On be additionally provided with D/A module, the output end connection D/A module of controller, D/A module has the output line for being used for connecting oscillograph；DA
The output line of module is connected to oscillograph, and controller is converted to the ultrasonic sensor data signal received by D/A module
Analog signal output is to oscillograph, and the waveform for observe ultrasonic sensor feedback signal by oscillograph is tested.
6. the ultrasonic experiment equipment for possessing a variety of detection functions described in application claim 1 carries out Sound Velocity Measurements, its
It is characterised by, application method is as follows：
Step one：First, the first movable button is pressed, controller is received after the first movable button trigger signal, controller control
DC speed-reducing operating processed, makes the second sliding block drive balk board to be moved to ultrasonic sensor direction, and touch the second sliding block
Encounter the first limit switch, controller is received after the trigger signal of the first limit switch, controller control DC speed-reducing is stopped
Only, now balk board returns to original position；
Step 2：Open ultrasonic wave emission switch, the ultrasonic sensor probe that the first display module of record is shown to balk board
Distance value s1 and the ultrasonic wave that shows of the second display module from being transmitted into the time value t1 that receives round trip；
Step 3：Ultrasonic wave emission switch is closed, the second movable button is pressed, by balk board to away from ultrasonic sensor direction
A mobile segment distance, is then again turned on ultrasonic wave emission switch, the record supersonic sensing that now the first display module is shown
Device probe to balk board the ultrasonic wave that shows of distance value s2 and the second display module from be transmitted into reception round trip when
Between value t2；
Step 4：The distance of repeat step three, insufficiency of accommodation plate and ultrasonic sensor, records some groups of the first display modules and shows
The ultrasonic wave that the distance value sn and the second display module of the ultrasonic sensor probe shown to balk board are shown is connect from being transmitted into
The time value tn of round trip is received, the calculating of the velocity of sound is carried out using these data.
It is real that 7. the ultrasonic experiment equipment for possessing a variety of detection functions described in application claim 1 carries out detection object flatness
Test, it is characterised in that：
First, the balk board of different flatness is changed, balk board is moved by pressing the first movable button and the second movable button
Move in the middle part of the second guide rail；Then ultrasonic wave emission switch is opened, promotes the first sliding block to be moved along the first guide rail, while observation the
Numerical value change on one display module, numerical value change exceedes certain limit, then this balk board out-of-flatness；Pass through relatively more different obstacles
The numerical value change of plate, carrys out the different obstacle plate flatness sizes of comparison.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429558.5A CN107103822A (en) | 2017-06-08 | 2017-06-08 | A kind of ultrasonic experiment equipment for possessing a variety of detection functions and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710429558.5A CN107103822A (en) | 2017-06-08 | 2017-06-08 | A kind of ultrasonic experiment equipment for possessing a variety of detection functions and its application |
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| CN107103822A true CN107103822A (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710429558.5A Pending CN107103822A (en) | 2017-06-08 | 2017-06-08 | A kind of ultrasonic experiment equipment for possessing a variety of detection functions and its application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147507A (en) * | 2018-09-01 | 2019-01-04 | 哈尔滨工程大学 | A kind of modularization Sonar system experiment device for teaching |
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