CN206179332U - Undulant demonstration appearance of vibration - Google Patents
Undulant demonstration appearance of vibration Download PDFInfo
- Publication number
- CN206179332U CN206179332U CN201621043024.6U CN201621043024U CN206179332U CN 206179332 U CN206179332 U CN 206179332U CN 201621043024 U CN201621043024 U CN 201621043024U CN 206179332 U CN206179332 U CN 206179332U
- Authority
- CN
- China
- Prior art keywords
- cross bar
- vibration
- optical axis
- display screen
- electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model provides an undulant demonstration appearance of vibration, the horizontal pole of this demonstration appearance passes through the screw fixation on the support, and make the horizontal pole perpendicular with left optical axis, the horizontal pole passes through the screw fixation on the smooth epaxial slider in the left optical axis and the right side with the support, the horizontal pole can slide along left optical axis and right optical axis parallel with the support together, the horizontal pole motor is fixed on the crossbeam, the eccentric shaft that the horizontal pole motor passes through on the runner is nested with the spout on the support, the axle and the axle of turning right of turning left is installed between middle cross beam and entablature, rolling belt around turn left the axle with turn right epaxial, rolling belt is last be carved with with rotation direction vertically vertical line, rolling belt motor, horizontal pole motor, vibration frequency display screen, wave speed display screen are connected with automatically controlled board electricity. The beneficial effects are that whole demonstration appearance small in size, the quality is light, and portable is adsorbable on the blackboard. And can directly read on the display screen, can demonstrate the efferent echo and form the relation between principle and each parameter. Instrument easy operation saves teacher's time of imparting knowledge to students, and teaching effects is good, is suitable for popularization and application.
Description
Technical field
This utility model is related to a kind of physics teaching demonstrating instrument, particularly a kind of vibration and wave motion demonstrator.
Background technology
It is important content in physics teaching that oscillation and wave is moved, student only rely on classroom teacher's explanation be difficult to understand for it is abstract
Theoretical and rule, it is therefore necessary to experimental demonstration is carried out on classroom to improve teaching efficiency.Prior art exists corresponding
Deficiency, such as：" laser scanning method simple harmonic oscillation sine curve demonstrator (application number CN201520443974.7) " is adopted and is got meter ready
When device as vibration source, the device frequency is unadjustable or range of accommodation is very little, using six prisms drive produce curve
Discontinuously, breakpoint is had between each eyeglass；" a kind of simple harmonic oscillation demonstrator (application number CN201521082225.2) " adopts
Leading screw drives, and speed is slower, and intuitive visual phenomenon is not obvious；A kind of " simple harmonic vibration presentation device (application number
CN201420059072.9) " can substantially be decayed because friction has its amplitude as vibration source using spring, and single bullet
Spring cannot change frequency." a kind of image shake apparatus for demonstrating (application number CN201520815926.6) of physics teaching " is adopted
Driven by shaking, speed is unstable, and dolly frequency of vibration is constant with paper tape velocity of rotation relation, it is impossible to demonstrate different frequency and velocity of wave
When waveform change.Above-mentioned prior art is required for being placed on desk and just can be tested, it is impossible to hang on blackboard, more than student
When heel row student it is invisible, all without numerical display device, it is impossible to quantitative display wavelength, velocity of wave and frequency and wavelength,
Relation between velocity of wave and frequency three.
The content of the invention
For the deficiency in structure in prior art, the purpose of this utility model is to provide a kind of vibration and wave motion demonstrator,
The demonstrator structure is compact, complete function, and compact is easy to carry, simple to operate, and phenomenon substantially, can adsorb in blackboard
Upper respectively to adjust and show for all classmate's viewings, frequency of vibration and velocity of wave, experiment effect is good, is suitable to popularization and application.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of vibration and wave motion demonstrator.Wherein：
The demonstrator includes sill, middle cross beam, entablature, left optical axis, right optical axis, support, cross bar, left rotary shaft, right spindle, rolling
Band, vertical line, cross point, rolling translator, cross bar motor, runner, eccentric shaft, chute, electric-controlled plate, switch, rolling translator are adjusted
Fast knob, cross bar electric machine speed regulation knob, Magnet, frequency of vibration display screen, velocity of wave display screen, slide block.
The sill, middle cross beam, entablature, left optical axis, right optical axis are interconnected to constitute the framework of demonstrator, and cross bar leads to
Cross screw to be fixed on support, and make cross bar vertical with left optical axis, cross bar is screwed in left optical axis and right light with support
On slide block on axle, cross bar can together along left optical axis and right optical axis parallel sliding with support, and cross bar motor is fixed on crossbeam,
Cross bar motor is nested with the chute on support by the eccentric shaft on runner, and left rotary shaft and right spindle are arranged on middle cross beam and upper horizontal stroke
Between beam, scrolling bands are wound in left rotary shaft and right spindle, and the vertical line vertical with rotation direction is carved with scrolling bands；Roll translator
It is fixed on sill, rolls translator and be connected with left rotary shaft and drive left rotary shaft to rotate, electric-controlled plate is arranged on sill, electricity
Switch, scrolling bands electric machine speed regulation knob, cross bar electric machine speed regulation knob are housed on control plate；Sill and entablature two ends are respectively mounted
There is Magnet, frequency of vibration display screen, velocity of wave display screen are arranged on entablature, roll translator, cross bar motor, frequency of vibration and show
Display screen, velocity of wave display screen are electrically connected with electric-controlled plate.
Effect of the present utility model is：
(1) a whole set of demonstrator can adsorb on the blackboard for having irony backboard or any irony plane, be easy to many people simultaneously
Viewing.
(2) compact, it is lightweight, it is easy to carry, teacher can take instrument to any desired classroom and teach, and not receive
Space limits.
(3) frequency of vibration velocity of wave motion can change.
(4) frequency of vibration velocity of wave motion can be directly displayed.
(5) it is easy for installation, it is simple to operate.
(6) the rotating vector description i.e. simple harmonic oscillation of simple harmonic oscillation and the relation of circular motion, one-dimensional simple harmonic quantity can be demonstrated
Vibration, simple harmonic oscillation and an one-dimensional dynamic circuit connector into two dimension fluctuation etc..
Description of the drawings
Fig. 1 is the structural representation of this utility model demonstrator.
In figure：
1st, sill 2, middle cross beam 3, entablature 4, left optical axis 5, right optical axis
6th, support 7, cross bar 8, left rotary shaft 9, right spindle 10, scrolling bands
11st, vertical line 12, cross point 13, rolling translator 14, cross bar motor
15th, runner 16, eccentric shaft 17, chute 18, electric-controlled plate 19, switch
20th, scrolling bands electric machine speed regulation knob 21, cross bar electric machine speed regulation knob 22, Magnet
23rd, frequency of vibration display screen 24, velocity of wave display screen 25, slide block
Specific embodiment
It is illustrated with reference to the vibration and wave motion demonstrator structure of the present utility model of accompanying drawing.
The design philosophy of vibration and wave motion demonstrator of the present utility model is to solve the dynamic phase of oscillation and wave in physics teaching inside the Pass
The class demonstration problem of appearance.
As shown in figure 1, vibration and wave motion demonstrator structure of the present utility model is, the demonstrator includes sill 1, middle cross beam
2nd, entablature 3, left optical axis 4, right optical axis 5, support 6, cross bar 7, left rotary shaft 8, right spindle 9, scrolling bands 10, vertical line 11, cross point
12nd, translator 13, cross bar motor 14, runner 15, eccentric shaft 16, chute 17, electric-controlled plate 18, switch 19, rolling translator are rolled
Speed governing knob 20, cross bar electric machine speed regulation knob 21, Magnet 22, frequency of vibration display screen 23, velocity of wave display screen 24, slide block 25.
What the function of vibration and wave motion demonstrator of the present utility model was realized in：
The sill 1, middle cross beam 2, entablature 3, left optical axis 4, right optical axis 5 constitute demonstrator framework, cross bar 7 with
Frame 6 can be fixed on crossbeam 1 together along left optical axis 4 and the parallel sliding of right optical axis 5, cross bar motor 14, and cross bar motor 14 is by turning
Eccentric shaft 16 on wheel 15 is nested with the chute 17 on support 6.Left rotary shaft 8 and right spindle 9 are arranged on middle cross beam 2 and entablature 3
Between, scrolling bands 10 are wound in left rotary shaft 8 and right spindle 9, and the vertical line 11 vertical with rotation direction is decorated with scrolling bands 10.Roll
Translator 13 is fixed on sill 1, is rolled translator 13 and is connected with left rotary shaft 8 and drives left rotary shaft 8 to rotate.Electric-controlled plate 18 is pacified
It is mounted on sill 1, equipped with switch 19, scrolling bands electric machine speed regulation knob 20, cross bar electric machine speed regulation knob 21 on electric-controlled plate 18.Under
Crossbeam 1 and the two ends of entablature 3 are separately installed with Magnet 22, in the vertical plane for having irony backboard, wrap for by the absorption of a whole set of instrument
Include on blackboard and blank, be easy to many people to watch.Frequency of vibration display screen 23, velocity of wave display screen 24 are arranged on entablature 3.Cross bar
Motor 14 is that rotating speed is adjustable, measurable motor, and by the cross bar electric machine speed regulation knob 21 on electric-controlled plate 18 rotating speed is controlled, its per second turn
Dynamic week number is displayed on frequency of vibration display screen 24 in the form of frequency.Control and the rotating speed for adjusting cross bar motor 14 are to change
Become the frequency of vibration of cross bar 7.It is that rotating speed is adjustable, measurable motor to roll translator 13, electric by the scrolling bands 10 on electric-controlled plate 18
Machine speed governing knob 20 controls rotating speed, and control and the rotating speed for adjusting rolling translator 13 are to change vertical line 11 in scrolling bands 10
Translational speed, equivalent to velocity of wave is changed, after rolling radius computing of the rotating speed of translator 13 through electric-controlled plate 18 according to left rotary shaft 8
The point-to-point speed of vertical line 11 is converted to, is displayed on velocity of wave display screen 24.Electric-controlled plate 18 is power supply supply, the circuit of a whole set of instrument
Control, signals collecting and computing maincenter, are converted into exterior power supply the electric power for rolling translator 13, cross bar motor 14, collection rolling
Dynamic translator 13, the rotary speed information of cross bar motor 14 are simultaneously processed, and be respectively displayed on velocity of wave display screen 24 and frequency of vibration is aobvious
In display screen 23.Cross bar 7 and scrolling bands 10 are same color, and the color of vertical line 11 will have with the color of cross bar 7 and scrolling bands 10
Obvious contrast, such as：Cross bar 7 and scrolling bands 10 are black, and vertical line 11 is white；Or cross bar 7 and scrolling bands 10 are white, are erected
Line 11 is black.Vertical line 11 in scrolling bands 10 can draw a plurality of.
The basic operational steps of vibration and wave motion demonstrator of the present utility model：
Demonstrator is adsorbed on blackboard, first by scrolling bands electric machine speed regulation knob 20, cross bar electric machine speed regulation by Magnet 22
Knob 21 is all adjusted to minimum, then opens switch 19, and cross bar electric machine speed regulation knob 21 is tuned up slowly, makes the frequency of vibration of cross bar 7 gradually
Increase, you can the circular motion of demonstration runner 15 is converted into the simple harmonic oscillation of cross bar 7, the rotating speed of runner 15 determines frequency of vibration.
Scrolling bands electric machine speed regulation knob 20 is slowly tuned up, makes scrolling bands 10 ramp up motion, due to the visual persistence phenomenon of human eye, can
To observe that the movement locus in cross point 12 are exactly two dimension fluctuation, scrolling bands electric machine speed regulation knob 20, cross bar motor is adjusted to adjust respectively
Fast knob 21, and the frequency of vibration of cross bar 7 is read from frequency of vibration display screen 23, vertical line 11 is read from velocity of wave display screen 24
Movement velocity, this can just demonstrate the formation basic theory of oscillation and wave, and the pass between frequency of vibration, wavelength and speed three
System.
Claims (6)
1. a kind of vibration and wave motion demonstrator, is characterized in that：The demonstrator include sill (1), middle cross beam (2), entablature (3),
Left optical axis (4), right optical axis (5), support (6), cross bar (7), left rotary shaft (8), right spindle (9), scrolling bands (10), vertical line (11),
Cross point (12), rolling translator (13), cross bar motor (14), runner (15), eccentric shaft (16), chute (17), electric-controlled plate
(18), switch (19), scrolling bands electric machine speed regulation knob (20), cross bar electric machine speed regulation knob (21), Magnet (22), frequency of vibration show
Display screen (23), velocity of wave display screen (24), slide block (25)；
The sill (1), middle cross beam (2), entablature (3), left optical axis (4), right optical axis (5) are interconnected to constitute demonstrator
Framework, cross bar (7) is screwed on support (6), and makes cross bar (7) vertical with left optical axis (4), cross bar (7) and support
(6) it is screwed on the slide block (25) on left optical axis (4) and right optical axis (5), cross bar (7) can be together with support (6)
Along left optical axis (4) and right optical axis (5) parallel sliding, cross bar motor (14) is fixed on crossbeam (1), and cross bar motor (14) is by turning
Eccentric shaft (16) on wheel (15) is nested with the chute (17) on support (6), and left rotary shaft (8) and right spindle (9) are installed in middle horizontal stroke
Between beam (2) and entablature (3), scrolling bands (10) are wound in left rotary shaft (8) and right spindle (9), be carved with scrolling bands (10) with
The vertical vertical line of rotation direction (11)；Roll translator (13) to be fixed on sill (1), roll translator (13) and left rotary shaft
(8) it is connected and drive left rotary shaft (8) to rotate, electric-controlled plate (18) is equipped with switch on sill (1), on electric-controlled plate (18)
(19), scrolling bands electric machine speed regulation knob (20), cross bar electric machine speed regulation knob (21)；Sill (1) and entablature (3) two ends are distinguished
Magnet (22) is installed, frequency of vibration display screen (23), velocity of wave display screen (24) roll translator on entablature (3)
(13), cross bar motor (14), frequency of vibration display screen (23), velocity of wave display screen (24) are electrically connected with electric-controlled plate (18).
2. vibration and wave motion demonstrator according to claim 1, is characterized in that：Cross bar motor (14) for rotating speed it is adjustable, can survey
Motor, rotating speed is controlled by cross bar electric machine speed regulation knob (21) on electric-controlled plate (18), rotation week number per second is with the shape of frequency
Formula is displayed on frequency of vibration display screen (24).
3. vibration and wave motion demonstrator according to claim 1, is characterized in that：Rolling translator (13) can for rotating speed
Tune, measurable motor, by scrolling bands electric machine speed regulation knob (20) on electric-controlled plate (18) rotating speed is controlled, and rotating speed is through electric-controlled plate
(18) according to the point-to-point speed that vertical line (11) are converted to after the radius computing of left rotary shaft (8), it is displayed on velocity of wave display screen (24).
4. vibration and wave motion demonstrator according to claim 1, is characterized in that：The electric-controlled plate (18) is vibration and wave motion demonstration
The power supply of instrument, control, signals collecting and computing maincenter, external power supply rolling translator (13), cross bar motor (14) are converted into
Power supply, collection rolls translator (13), the rotary speed information of cross bar motor (14) and simultaneously processed, be respectively displayed on velocity of wave and show
On screen (24) and frequency of vibration display screen (23).
5. vibration and wave motion demonstrator according to claim 1, is characterized in that：The cross bar (7) and scrolling bands (10) are same
A kind of coloured parts, color and the color of cross bar (7) and scrolling bands (10) of vertical line (11) will have obvious contrast.
6. vibration and wave motion demonstrator according to claim 1, is characterized in that：Vertical line (11) on the scrolling bands (10) is carved
Have a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043024.6U CN206179332U (en) | 2016-09-08 | 2016-09-08 | Undulant demonstration appearance of vibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621043024.6U CN206179332U (en) | 2016-09-08 | 2016-09-08 | Undulant demonstration appearance of vibration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206179332U true CN206179332U (en) | 2017-05-17 |
Family
ID=58675429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621043024.6U Withdrawn - After Issue CN206179332U (en) | 2016-09-08 | 2016-09-08 | Undulant demonstration appearance of vibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206179332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128235A (en) * | 2016-09-08 | 2016-11-16 | 天津城建大学 | Vibration and wave motion demonstrator |
-
2016
- 2016-09-08 CN CN201621043024.6U patent/CN206179332U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128235A (en) * | 2016-09-08 | 2016-11-16 | 天津城建大学 | Vibration and wave motion demonstrator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208498061U (en) | A kind of adjustable display device for education | |
| CN209357283U (en) | A kind of interactive teaching demonstration instrument | |
| CN204759842U (en) | Laser scanning method simple harmonic vibration sine curve demonstration appearance | |
| CN108591722A (en) | A kind of adjustable education and instruction auxiliary device of double screen | |
| CN211015987U (en) | Think political affairs classroom and use education equipment | |
| CN206877575U (en) | A kind of physical optics demonstrator | |
| CN106128235B (en) | Vibration and wave motion demonstrator | |
| CN206179332U (en) | Undulant demonstration appearance of vibration | |
| CN209928692U (en) | Novel animation specialty teaching demonstration board | |
| CN214279196U (en) | Novel demonstration device for multimedia | |
| CN107393378A (en) | A kind of adjustable sine wave apparatus for demonstrating of broadcasting speed | |
| CN205211259U (en) | A simple harmonic vibration demonstrating instrument | |
| CN110706524A (en) | Open type demonstration device for English teaching | |
| CN202003547U (en) | Coriolis force demonstration instrument | |
| CN210446109U (en) | Mathematics teaching aid | |
| CN209199385U (en) | A kind of tow sides show the teaching display board of word content | |
| CN209103612U (en) | A kind of novel and multifunctional science of economic management teaching equipment | |
| CN212391924U (en) | Magnetic rope standing wave demonstrator | |
| CN206411884U (en) | A kind of art education teaching demonstration device | |
| CN206451367U (en) | A kind of Teaching of Economics showing stand | |
| CN210836634U (en) | English vocabulary kind contrast explanation presentation device | |
| CN203910096U (en) | Mechanical wave demonstrator | |
| CN212847381U (en) | Cam mechanism teaching demonstration device | |
| CN210348834U (en) | Foreign chinese teaching presentation device with rotary mechanism | |
| CN209528373U (en) | A kind of artificial intelligence system-IT item of hardware teaching innovation experimental applications platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170517 Effective date of abandoning: 20180710 |