CN207602102U - A kind of ultrasonic wave teaching experimental equipment - Google Patents
A kind of ultrasonic wave teaching experimental equipment Download PDFInfo
- Publication number
- CN207602102U CN207602102U CN201720671714.4U CN201720671714U CN207602102U CN 207602102 U CN207602102 U CN 207602102U CN 201720671714 U CN201720671714 U CN 201720671714U CN 207602102 U CN207602102 U CN 207602102U
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- CN
- China
- Prior art keywords
- guide rail
- module
- ultrasonic sensor
- sliding block
- operation panel
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- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The utility model discloses a kind of ultrasonic wave teaching experimental equipment, on operation panel set ultrasonic sensor, balk board, guide track transmission mechanism, for show ultrasonic ranging value the first display module, for show ultrasonic wave from be emitted to receive round trip time value the second display module, A/D module and D/A module；The ultrasonic sensor is mounted on sensor stand, and sensor stand is mounted 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 operation panel；Balk board is arranged in guide track transmission mechanism；The waveform that Sound Velocity Measurements, the experiment of object flatness detection and observation ultrasonic sensor feedback signal can be carried out using this experimental facilities is tested.
Description
Technical field
The utility model belongs to teaching experimental equipment technical field, and in particular to a kind of ultrasonic wave teaching experimental equipment.
Background technology
Since ultrasonic wave is general in being widely used for the fields such as industry and scientific research, 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 wave using oscillograph
Shape needs to shake handwheel when adjusting measurement distance to move ultrasonic sensor, is measured to experiment and itself has an increased many links
With the error brought during manual movement；And experimental facilities function is single, area occupied is larger, it is impossible to meet teaching request.
Utility model content
The desired limitation aimed to overcome that in existing experimental method of the utility model provides a kind of ultrasonic wave teaching
Experimental facilities.
The utility model is achieved through the following technical solutions：
A kind of ultrasonic wave teaching experimental equipment, including babinet, operation panel, controller, ultrasonic sensor, obstacle
Plate, guide track transmission mechanism, for show ultrasonic ranging value the first display module, for show ultrasonic wave from be emitted to receive
Second display module of round trip time value, A/D module；
First display module, the second display module, controller, A/D module are inlaid on operation panel, the operation
Panel is mounted on babinet；
The ultrasonic sensor is mounted on sensor stand, and sensor stand is mounted 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 operation panel；
The guide track transmission mechanism is mounted 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, synchronous belt, driven pulley, driving pulley and driven pulley fixing device；Driving pulley with
DC speed-reducing exports axis connection, and driven pulley peace turns in driven pulley fixing device, DC speed-reducing and driven belt
Wheel fixing device is fixed on operation panel, and synchronous belt is mounted 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 synchronous belt,
So that the second sliding block moves on the second guide rail with synchronous belt；There is slot, the balk board assigns 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 separate ultrasonic sensor of the second guide rail
It is provided with the second limit switch；
The side of babinet be provided with for control first movement button that balk board moves to ultrasonic sensor direction, with
And for controlling balk board to the second movable button far from the movement of ultrasonic sensor direction；
The ultrasonic wave emission switch for controlling ultrasonic sensor open and-shut mode is additionally provided on operation panel；
Ultrasonic sensor connects controller, controller input terminal connection ultrasonic wave emission switch, first by A/D module
Limit switch, the second limit switch, first movement button and the second movable button, controller output end connection direct current slow down electric
Machine；
D/A module, the output terminal connection D/A module of controller are additionally provided on operation panel, D/A module has to connect
The output line of oscillograph；The output line of D/A module is connected to oscillograph.
It the advantages of the utility model and has the beneficial effect that：
The ultrasonic wave teaching experimental equipment of the utility model has a variety of detection functions, enriches the operability of experiment, and
And this experimental facilities is integrated the subjects such as machinery, electrical control, physics, mathematics, is conducive to the energy of starting of training student
Power, observation ability, logical thinking ability and data-handling capacity, can comprehensive training student.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment one.
Fig. 2 is the structure diagram of the guide track transmission mechanism in the utility model embodiment one.
Fig. 3 is the schematic diagram of circuit connection structure of the utility model embodiment one.
Specific embodiment
The technical solution of the utility model is further illustrated with reference to specific embodiment.
Embodiment one：
As illustrated in fig. 1 and 2, a kind of ultrasonic wave teaching experimental equipment, including babinet (or box body) 1, operation panel 12, control
Device 5 processed, ultrasonic sensor 4, balk board 6, guide track transmission mechanism, the first display module for showing ultrasonic ranging value
10th, the second display module 13 of round trip time value and A/D module 7 are received for showing ultrasonic wave from being emitted to；
First display module 10, the second display module 13, controller 5, A/D module 7 are inlaid on operation panel 12,
The operation panel 12 is mounted on babinet 1；
The ultrasonic sensor 4 is mounted on sensor stand 3, and sensor stand 3 is mounted 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 operation panel 12；
The guide track transmission mechanism is mounted 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, synchronous belt 25, driven pulley 27, driving pulley 28 and from
Movable belt pulley fixing device 26；Driving pulley 28 exports axis connection with DC speed-reducing 15, and the peace of driven pulley 27 turns in driven belt
It takes turns in fixing device 26, DC speed-reducing 15 and driven pulley fixing device 26 are fixed on operation panel 12, synchronous belt 25
On driving pulley 28 and driven pulley 27, the second guide rail 19 is erected between driving pulley 28 and driven pulley 27, the
Two sliding blocks 20 are slidably mounted on the second guide rail 19, and the second sliding block 20 is fastenedly connected with synchronous belt 25, so that the second sliding block 20
It is moved on the second guide rail 19 with synchronous belt 25；There is slot, the balk board 6 assigns into sliding block 20 vertically on second sliding block 20
Slot in, 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；Second
One end (that is, in Fig. 1, the left end of the second guide rail 19) of the close ultrasonic sensor 4 of guide rail 19 is provided with the first limit switch
21, in one end of the separate ultrasonic sensor 4 of the second guide rail 19, (that is, in Fig. 1, the right end of the second guide rail 19) is provided with second
Limit switch 18；
The side of babinet 1 is provided with the first movement button for balk board to be controlled to be moved to ultrasonic sensor direction
16 and for control balk board to far from ultrasonic sensor direction movement the second movable button 17；I.e. first movement is pressed
16 and second movable button 17 of button controls 15 rotating of DC speed-reducing, to control the moving direction of balk board 6；
The ultrasonic wave emission switch for controlling 4 open and-shut mode of ultrasonic sensor is additionally provided on operation panel 12
11；
Referring to attached drawing 3, ultrasonic sensor connects controller, the connection ultrasonic wave transmitting of controller input terminal by A/D module
The 11, first limit switch 21, the second limit switch 18,16 and second movable button 17 of first movement button are switched, controller is defeated
Outlet connects DC speed-reducing 15；Controller controls ultrasonic sensor according to the switching signal of ultrasonic wave emission switch 11
It opens and closes；After controller receives 16 trigger signal of first movement button, controller control DC speed-reducing operating makes
Balk board is moved to ultrasonic sensor direction；After controller receives 17 trigger signal of the second movable button, controller control
DC speed-reducing antiport makes balk board be moved to far from ultrasonic sensor direction.
The controller use PLC, PLC be transistor output type, model mitsubishi FX2N -36MT, the AD modules
Model FX2N-4AD, the ultrasonic sensor model LM-112-010-DAC.
Microcontroller can also be used in the controller.
Sound Velocity Measurements are carried out using the ultrasonic wave teaching experimental equipment of the present embodiment, application method is as follows：
Step 1：First, first movement button 16 is pressed, after controller receives 16 trigger signal of first movement button,
Controller control DC speed-reducing operating, makes the second sliding block 20 that balk board 6 be driven to be moved to 4 direction of ultrasonic sensor, and
The second sliding block 20 is made to touch the first limit switch 21, after controller receives the trigger signal of the first limit switch 21, controller
DC speed-reducing is controlled to stop, balk board returns to initial position at this time；
Step 2：Open ultrasonic wave emission switch 11, the ultrasonic sensor probe of record the first display module 10 display
To the ultrasonic wave that the distance value s1 of balk board and the second display module 13 are shown from being emitted to the time value that receives round trip
t1；
Step 3：Ultrasonic wave emission switch 11 is closed, presses the second movable button 17, by balk board 6 to far from ultrasonic wave
Sensor orientation moves a distance (after unclamping the second movable button 17, balk board both stopped), is then again turned on ultrasonic wave
Emission switch 11, record at this time the first display module 10 display ultrasonic sensor probe to balk board distance value s2 with
And second display module 13 show ultrasonic wave from be emitted to receive round trip time value t2；
Step 4：Step 3 is repeated, the distance of insufficiency of accommodation plate 6 and ultrasonic sensor records several 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 emitted to reception round trip, these data is utilized to carry out the calculating of the velocity of sound.
The experiment of object flatness is detected using the ultrasonic wave teaching experimental equipment of the present embodiment, application method is as follows：
First, the balk board 6 of different flatness is replaced, by pressing 16 and second movable button 17 of first movement button
Balk board is moved to 19 middle part of the second guide rail；Then ultrasonic wave emission switch 11 is opened, pushes the first sliding block 2 along the first guide rail
2-1 is moved, while observes the numerical value change on the first display module 10, and numerical value change is more than a certain range, then this balk board is not
It is smooth；By comparing the numerical value change of different balk boards, carry out the different obstacle plate flatness sizes of comparison.
Case lid 8 is additionally provided on babinet 1, case lid 8 is hinged on 1 side of babinet by hinge；When without using this equipment,
Balk board 6 is removed, covers case lid 8.
Embodiment two：
On the basis of embodiment one, D/A module, the output terminal connection DA moulds of controller are additionally provided on operation panel 12
Block, D/A module have the output line 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 that observation ultrasonic sensor feedback signal is carried out by oscillograph is real
It tests.
Illustrative description has been done to the utility model above, it should explanation, in the core for not departing from the utility model
In the case of the heart, it is any it is simple deformation, modification or other skilled in the art can not spend creative work etc.
The scope of protection of the utility model is each fallen with replacing.
Claims (1)
1. a kind of ultrasonic wave teaching experimental equipment, it is characterised in that：It includes babinet, operation panel, controller, supersonic sensing
Device, balk board, guide track transmission mechanism, for show ultrasonic ranging value the first display module, for showing ultrasonic wave from hair
It is mapped to the second display module for receiving round trip time value, A/D module；
First display module, the second display module, controller, A/D module are inlaid on operation panel, the operation panel
On babinet；
The ultrasonic sensor is mounted on sensor stand, and sensor stand is mounted on the first sliding block, and the first sliding block is slided
Dynamic to be mounted on the first guide rail, the first guide rail is fixed on operation panel；
The guide track transmission mechanism is mounted 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, synchronous 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 operation panel, and synchronous belt is mounted 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 synchronous belt, with
The second sliding block is made to be moved on the second guide rail with synchronous belt；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 of ultrasonic sensor is provided with the first limit switch, is set in one end of the separate ultrasonic sensor of the second guide rail
It is equipped with the second limit switch；
The side of babinet is provided with first movement button, Yi Jiyong for balk board to be controlled to be moved to ultrasonic sensor direction
In control balk board to the second movable button far from the movement of ultrasonic sensor direction；
The ultrasonic wave emission switch for controlling ultrasonic sensor open and-shut mode is additionally provided on operation panel；
Ultrasonic sensor connects controller, controller input terminal connection ultrasonic wave emission switch, the first limiting by A/D module
Switch, the second limit switch, first movement button and the second movable button, controller output end connection DC speed-reducing；
D/A module, the output terminal connection D/A module of controller are additionally provided on operation panel, D/A module has to connect oscillography
The output line of device；The output line of D/A module is connected to oscillograph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671714.4U CN207602102U (en) | 2017-06-08 | 2017-06-08 | A kind of ultrasonic wave teaching experimental equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671714.4U CN207602102U (en) | 2017-06-08 | 2017-06-08 | A kind of ultrasonic wave teaching experimental equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602102U true CN207602102U (en) | 2018-07-10 |
Family
ID=62753030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720671714.4U Expired - Fee Related CN207602102U (en) | 2017-06-08 | 2017-06-08 | A kind of ultrasonic wave teaching experimental equipment |
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| Country | Link |
|---|---|
| CN (1) | CN207602102U (en) |
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 |
-
2017
- 2017-06-08 CN CN201720671714.4U patent/CN207602102U/en not_active Expired - Fee Related
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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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 Termination date: 20190608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |