CN207367447U - Laser-marking simple harmonic motion apparatus for demonstrating - Google Patents
Laser-marking simple harmonic motion apparatus for demonstrating Download PDFInfo
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- CN207367447U CN207367447U CN201720666404.3U CN201720666404U CN207367447U CN 207367447 U CN207367447 U CN 207367447U CN 201720666404 U CN201720666404 U CN 201720666404U CN 207367447 U CN207367447 U CN 207367447U
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Abstract
It the utility model is related to laser-marking simple harmonic motion apparatus for demonstrating, the top of supporting rack sets up a cross bar, cross bar intersects with the beam vertical of supporting rack, laser module is hung on below cross bar by rope, and upper end and the triangle structure of cross bar of rope, folder clamp one end of experiment paper, experiment paper is located at the underface of laser module, the side arrangement motor of folder, installs reel in the shaft of motor, and the spiral on reel is connected with folder；Motor drives reel uniform rotation, traction folder linear motion by shaft, and folder clamps experiment paper with its uniform motion, and, laser module does reciprocally swinging along perpendicular to the direction of experiment paper uniform motion in experiment paper uniform motion at the same time；Laser beam of the laser module transmitting with energy, is radiated on the experiment paper of underface so that burn mark occurs in experiment paper；Paper uniform motion speed is tested by controlling, obtains sinogram picture of different shapes, can the further relation of the movement velocity of research experiment paper and image shape.
Description
Technical field
It the utility model is related to a kind of apparatus for experimental teaching, more particularly to a kind of laser-marking simple harmonic motion demonstration
Device, belongs to teaching equipment technical field.
Background technology
At present, in order to demonstrate simple harmonic motion, traditional experimental provision uses the form of " hourglass pendulum ".With the time into
OK, sand is constantly reduced so that the quality of hourglass constantly mitigates, and variable is belonged on stricti jurise, has run counter in experiment and has put
The principle of animal body mass conservation, i.e. quality changes the movement that will cause hourglass center of gravity, so as to cause pendulum length to change, this is
An important factor for causing experimental image inaccurate.
Moreover, in order to simulate the uniform motion of cardboard, cardboard is dragged using manual mostly in traditional experimental provision.Using
This mode is it is difficult to ensure that the uniform motion of cardboard, so as to have impact on the precision of experimental demonstration image.More importantly, hourglass pendulum is
Using the curve of sand drift displaying simple harmonic motion, should " sand drift curve " be unfavorable for carrying out it is further it is qualitative, determine quantifier elimination.And
It is unfavorable for the clean and tidy health of experimental situation.
In order to make experiment simple, accurate, ensure that the effect of demonstration is accurate, beautiful, easy to demonstration graph as in-depth study,
Also ensure that experimental place is clean and tidy, health.Need comprehensively to improve experimental provision.
Utility model content
The purpose of the utility model is to overcome the shortcomings of the prior art, there is provided a kind of laser-marking simple harmonic motion demonstration
Device.
The purpose of this utility model is achieved through the following technical solutions：
Laser-marking simple harmonic motion apparatus for demonstrating, feature are：Including the laser module for launching laser beam, supporting rack,
Cross bar, folder, experiment paper, spool and motor, the top of supporting rack set up the beam vertical of a cross bar, cross bar and supporting rack
Intersecting, laser module is hung on below cross bar by rope, and upper end and the triangle structure of cross bar of rope, folder clamp reality
One end of paper is tested, experiment paper is located at the underface of laser module, and the side of folder arranges motor, volume is installed in the shaft of motor
Tin, the spiral on reel is connected with folder, can draw experiment paper movement.
Further, above-mentioned laser-marking simple harmonic motion apparatus for demonstrating, wherein, the swaying direction of the laser module hangs down
Directly in the direction of motion of experiment paper.
Further, above-mentioned laser-marking simple harmonic motion apparatus for demonstrating, wherein, the motor and speed regulation unit electricity
Property connection.
Further, above-mentioned laser-marking simple harmonic motion apparatus for demonstrating, wherein, the rope is light weight rope.
Further, above-mentioned laser-marking simple harmonic motion apparatus for demonstrating, wherein, it is disposed with immediately ahead of described device anti-
Shield.
The utility model has significant advantages and beneficial effects compared with prior art, embodies in the following areas：
1. being fixed with cross bar on supporting rack, the beam vertical of cross bar and supporting rack intersects, and the upper end of light weight rope with
The triangle structure of cross bar, this structure can ensure laser module in swing process all the time perpendicular to the movement side of experiment paper
To；
2. motor can drive reel to operate, so as to draw folder linear motion, and then experiment paper uniform motion is driven；
The main function of folder is the paper for clamping experiment, drives experiment paper to move therewith, and facilitate readily replaceable paper；
3. the laser beam of laser module output power 3W or so, quickly easily can mark burn mark on experiment paper；Profit
Burn mark is produced on experiment paper with laser beam, experiment paper uniform motion is driven by motor so that experimental image is accurately beautiful, significantly
Conventional efficient is improved, is more conducive to carry out simple harmonic motion the further investigation of qualitative, quantitative；
4. motor is electrically connected with speed regulation unit, in addition to power necessary to can be provided for experimental provision, may be used also
With the size by varying output voltage, achieve the purpose that regulation motor speed；Paper uniform motion speed is tested by controlling, can
Obtain sinogram picture of different shapes, and then can the further relation of the movement velocity of research experiment paper and image shape.
Brief description of the drawings
Fig. 1：The structure diagram of laser-marking simple harmonic motion apparatus for demonstrating；
Fig. 2：The structure diagram of protective cover.
Embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, it is detailed now to compare attached drawing
Illustrate specific embodiment.
As shown in Figure 1, laser-marking simple harmonic motion apparatus for demonstrating, including for launching laser module 40, the branch of laser beam
Support 20, cross bar 21, folder 50, experiment paper 10, spool 60 and motor 70, the top of supporting rack 20 set up a cross bar 21,
Cross bar 21 intersects with the beam vertical of supporting rack, and laser module 40 is hung on the lower section of cross bar 21 by rope 30, rope 30 it is upper
End and 21 triangle structure of cross bar, rope 30 are light weight rope, and folder 50 clamps one end of experiment paper 10, tests 10, paper
In the underface of laser module 40, the side arrangement motor 70 of folder 50, motor 70 is electrically connected with speed regulation unit 80, electricity
Reel 60 is installed, the spiral on reel 60 is connected with folder 50, can draw and test paper 10 and move, laser group in the shaft 71 of machine 70
The direction of motion of the swaying direction of part 40 perpendicular to experiment paper 10.
As shown in Fig. 2, being disposed with protective cover 90 immediately ahead of device, protective cover 90 can be to avoid laser in experiment to student
Radiation injury caused by eyesight.
It is fixed with cross bar 21 on supporting rack 20, the beam vertical of cross bar 21 and supporting rack 20 intersects, and light weight rope 30
Upper end and 21 triangle structure of cross bar, this structure can ensure laser module 40 in swing process all the time perpendicular to reality
Test the direction of motion of paper 10.
The main function of folder 50 is the paper for clamping experiment, drives experiment paper 10 to move therewith, and convenient easy
Replace paper.Motor 70 can drive reel 60 to operate, and move along a straight line so as to draw folder 50, and then drive experiment paper at the uniform velocity
Movement.
Motor 70 is electrically connected with speed regulation unit 80, in addition to power necessary to can be provided for experimental provision, also
It can achieve the purpose that regulation motor speed by varying the size of output voltage.
Laser module 40 includes independent current source module, switch, the first-class key component of laser.And found through overtesting, work(
The laser beam of rate 3W or so quickly easily can mark burn mark on experiment paper.
During concrete application, motor 70 drives 60 uniform rotation of reel by shaft 71, moves along a straight line so as to draw folder 50,
Folder clamps experiment paper 10 with its uniform motion, and while 10 uniform motion of paper is tested, laser module 40 is along perpendicular to reality
Do reciprocally swinging in the direction for testing 10 uniform motion of paper；Laser beam of the transmitting of laser module 40 with energy, is radiated at underface
Test on paper 10 so that burn mark occurs in experiment paper；By control test 10 uniform motion speed of paper, can obtain it is of different shapes just
String image, and then can the further relation of the movement velocity of research experiment paper and image shape.
Burn mark is produced on experiment paper using laser beam, experiment paper uniform motion is driven by motor so that experimental image essence
It is really beautiful, conventional efficient is substantially increased, is more conducive to carry out simple harmonic motion the further investigation of qualitative, quantitative.
It should be noted that：Above description is merely a prefered embodiment of the utility model, is not limited to this practicality
New interest field；Description more than at the same time, should can understand and implement for the special personage of correlative technology field, therefore its
It should be included in claim without departing from the lower equivalent change or modification completed of the revealed spirit of the utility model
In.
Claims (5)
1. laser-marking simple harmonic motion apparatus for demonstrating, it is characterised in that：Including the laser module for launching laser beam, support
Frame, cross bar, folder, experiment paper, spool and motor, the top of supporting rack set up the crossbeam of a cross bar, cross bar and supporting rack
Intersect vertically, laser module is hung on below cross bar by rope, upper end and the triangle structure of cross bar of rope, folder folder
One end of paper is firmly tested, experiment paper is located at the underface of laser module, and the side of folder is arranged motor, installed in the shaft of motor
Reel, the spiral on reel are connected with folder, can draw experiment paper movement.
2. laser-marking simple harmonic motion apparatus for demonstrating according to claim 1, it is characterised in that：The pendulum of the laser module
The direction of motion of the dynamic direction perpendicular to experiment paper.
3. laser-marking simple harmonic motion apparatus for demonstrating according to claim 1, it is characterised in that：The motor and speed tune
Unit is saved to be electrically connected.
4. laser-marking simple harmonic motion apparatus for demonstrating according to claim 1, it is characterised in that：The rope is lightweight rope
Rope.
5. laser-marking simple harmonic motion apparatus for demonstrating according to claim 1, it is characterised in that：The front of described device
It is disposed with protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720666404.3U CN207367447U (en) | 2017-06-09 | 2017-06-09 | Laser-marking simple harmonic motion apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720666404.3U CN207367447U (en) | 2017-06-09 | 2017-06-09 | Laser-marking simple harmonic motion apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207367447U true CN207367447U (en) | 2018-05-15 |
Family
ID=62423921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720666404.3U Active CN207367447U (en) | 2017-06-09 | 2017-06-09 | Laser-marking simple harmonic motion apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207367447U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997707A (en) * | 2017-06-09 | 2017-08-01 | 温州大学 | Laser-marking simple harmonic motion apparatus for demonstrating and its method |
-
2017
- 2017-06-09 CN CN201720666404.3U patent/CN207367447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106997707A (en) * | 2017-06-09 | 2017-08-01 | 温州大学 | Laser-marking simple harmonic motion apparatus for demonstrating and its method |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200716 Address after: Room 127, block B, 1 / F, building 1, Jianxin 221, shenzhuan Road, Qingpu District, Shanghai, 201714 Patentee after: SHANGHAI SUNPUMP PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 325000 Zhejiang Economic Development Zone, Ouhai, South East Road, No. 38, Wenzhou National University Science Park Incubator Patentee before: Wenzhou University |