CN206524058U - The experimental demonstration device of waveform - Google Patents
The experimental demonstration device of waveform Download PDFInfo
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- CN206524058U CN206524058U CN201621065741.9U CN201621065741U CN206524058U CN 206524058 U CN206524058 U CN 206524058U CN 201621065741 U CN201621065741 U CN 201621065741U CN 206524058 U CN206524058 U CN 206524058U
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Abstract
The utility model belongs to science popularization displaying education and teaching practice activity field, and in particular to the experimental demonstration device of waveform.The present apparatus includes the disc shaped container for being used to hold liquid clear medium, the bottom wall of the disc shaped container is made of clear material, the disc shaped container top is provided with oscillator, and the oscillator is set close to the liquid level of transparent liquid medium, and can impact liquid level according to the frequency of setting；A light source is provided with above the disc shaped container, the light beam that the light source is sent can be through liquid clear medium and the bottom wall of disc shaped container, and the solid object surface formation projection below disc shaped container, visitor or learner can be clearly observed the shape of various ripples, so that the understanding of visitor or learner to ripple produced by the space around itself is greatly facilitated.
Description
Technical field
The utility model belongs to science popularization displaying education and teaching practice activity field, and in particular to a kind of waveform demonstration
Device.
Background technology
In physics, ripple is the disturbance of the physical quantity or physical quantity propagated in a particular form in space.Due to being with specific
Form propagate, this physical quantity (or its disturbance) turns into locus and the function of time, and is such function, that is, exists
The distribution of time t surroundings at the r of space, in the time, (t+ Δs t) appears in space (around r+v Δs t) for meeting.V is generally
It is a normal vector, is exactly the spread speed about physical quantity (or its disturbance).Physics flow function is referred to as wave function, and mathematically it is
One be wave equation the solution under the conditions of specific border.
The motion referred to as ripple that we form the disturbance of a certain physical quantity or vibration when space pointwise is transmitted.Multi-form
Although ripple there is very big difference in terms of generation mechanism, circulation way and interaction with material, when propagating
Many general character are shown, can be described and be handled with identical mathematical method.
In science popularization displaying education and teaching process, usual teacher will draw waveform on blackboard, try to describe ripple
The state of shape, the description of language and the drafting of figure, for learner, cause the difficulty of object teaching.Most commonly seen
It is to be showed by the teaching aid of rope, spring.But, distinct issues are that these teaching aids can not realize the interference of displaying ripple, ripple
Diffraction, standing wave etc. ocular demonstration under normal circumstances, it is this kind of by showing that educational activities are needed by means of computer media
System is showed, and haves the shortcomings that the sense of reality is bad, the form of expression is single；And virtual reality technology is used, also referred to as clever border skill
Art or artificial environment, then be using computer simulation produce a three dimensions virtual world there is provided user on vision, listen
The simulation of the sense organs such as feel, tactile, allows user as being personally on the scene, can in time, observe three-dimensional space without limitation
Interior things, but have that complicated, cost is high, be not easy to and the shortcomings of audience interaction.
The content of the invention
The purpose of this utility model, which is to provide, a kind of can intuitively show the waveform apparatus for demonstrating of wave travel characteristic, the dress
Put simple in construction and cost is relatively low.
To achieve the above object, the utility model provides following technical scheme：
The experimental demonstration device of waveform, including for holding the disc shaped container of liquid clear medium, the bottom of the disc shaped container
Wall is made of clear material, and the disc shaped container top is provided with oscillator, and the oscillator is set close to the liquid level of transparent liquid medium,
And liquid level can be impacted according to the frequency of setting；A light source is provided with above the disc shaped container, the light beam that the light source is sent can
Through liquid clear medium and the bottom wall of disc shaped container, and the solid object surface formation projection below disc shaped container.
It is preferred that, a top cover is arranged at intervals with above the disc shaped container, the top cover passes through connecting rod and disc shaped container
Edge be connected, the light source be arranged on top cover lower surface on.
It is preferred that, the upper surface of the top cover is provided with the structure for being easy to suspention.
It is preferred that, the oscillator is fixed on the lower end of connecting rod by overhanging bar.
It is preferred that, the disc shaped container is circle, and the oscillator is one, and the oscillator is located at the center of disc shaped container.
It is preferred that, provided with the band circular box dam jaggy being arranged concentrically with disc shaped container in the disc shaped container.
It is preferred that, the disc shaped container is circle, and the oscillator is two, and axis pair of two oscillators on disc shaped container
Claim arrangement.
It is preferred that, the disc shaped container is strip, and the oscillator is one, and oscillator deviation disc shaped container is wherein
One end is set.
It is preferred that, the liquid clear medium is water or colourless silicone oil.
It is preferred that, the disc shaped container is made up of clear glass.
It is of the present utility model to have technical effect that：
1), the utility model devises the experimental demonstration device of waveform with simple structure and means, simple to operate,
Demonstrating effect is clear and intuitive.Because disc shaped container is transparence, irradiated by light source above it, can in the bottom of device,
As on ground, high-visible image is formed, therefore visitor or learner can be clearly observed the shape of various ripples, from
And the understanding of visitor or learner to ripple produced by the space around itself is greatly facilitated.
2), the utility model can also demonstrate the interference of ripple, the diffraction of ripple and standing wave existing in addition to it can demonstrate circular ripple
As.
3), the present apparatus is combined using hang and spotlight projection, can be led to according to the situation using scene
The height for changing apparatus for demonstrating suspension is crossed, to adjust the size of projected image, large area projection displaying can be accomplished, be especially suitable for
Used in science popularization venue.
4), the utility model has interactive, and visitor or learner are it could be visually observed that with disc shaped container
Different and oscillator quantity and the difference of position, produced waveform is entirely different.It is this by visitor or learner from
Oneself starts and direct viewing, may advantageously facilitate the understanding of visitor or learner to waveform in teaching process；Also improve simultaneously
Interactive and interest in presentation process, substantially increases bandwagon effect and quality of instruction.
5), the utility model oscillator power consumption is few, and LED optically focused streetlamp energy-savings can enter in various places according to actual needs
Row demonstration, meets the society need of energy-saving and emission-reduction, and simple in construction, reduces maintenance cost, is suitable for long-term science popularization displaying
Used with education activities.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram for the waveform apparatus for demonstrating that embodiment 1 of the present utility model is provided；
Fig. 2 is the dimensional structure diagram for the waveform apparatus for demonstrating that embodiment 2 of the present utility model is provided；
Fig. 3 is the dimensional structure diagram for the waveform apparatus for demonstrating that embodiment 3 of the present utility model is provided；
Fig. 4 is the dimensional structure diagram for the waveform apparatus for demonstrating that embodiment 4 of the present utility model is provided.
The implication of label symbol in accompanying drawing is as follows：
1- disc shaped containers
2- top covers
3- connecting rods
4- light sources
5- oscillators
6- overhanging bars
7- circle box dams
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing.
As Figure 1-4, a kind of waveform apparatus for demonstrating, including for holding the disc shaped container 1 of liquid clear medium, the disk
The bottom wall of shape container 1 is made of clear material.The liquid clear medium and transparent material are not limited to water white transparency, sometimes for
Make projection more eye-catching, more preferably, specifically also needed to according to existing using coloured liquid clear medium or colored transparent material result
Depending on the photoenvironment of field.The top of disc shaped container 1 is provided with oscillator 5, and the oscillator 5 is set close to the liquid level of transparent liquid medium
Put, and liquid level can be impacted according to the frequency of setting；The top of disc shaped container 1 is provided with a light source 4, the light that the light source 4 is sent
Beam can pass through the bottom wall of liquid clear medium and disc shaped container 1, and the solid object surface formation projection below disc shaped container 1.
The liquid clear medium is water or colourless silicone oil.The disc shaped container 1 is made up of clear glass, and the light source 4 is spotlight.
The utility model devises the experimental demonstration device of waveform with simple structure and means, and simple to operate, demonstrating effect is clear
It is clear directly perceived.Due to disc shaped container 1 be transparence, irradiated by the light source 4 above it, can on the bottom of device, such as ground,
High-visible image is formed, therefore visitor or learner can be clearly observed the shape of various ripples, so as to promote significantly
The understanding of visitor or learner to ripple produced by the space around itself is entered.
Embodiment 1
As shown in figure 1, the apparatus for demonstrating structural representation of the circular ripple phenomenon of legend displaying.
The apparatus for demonstrating is provided with circular discoid container 1 in the lower end of connecting rod 3, fill in the disc shaped container 1 clear water and on
Portion's suspension is provided with 1 oscillator 5, and the oscillator 5 is fixedly mounted in connecting rod 3, and oscillator is located at the circle of circular discoid container 1
The heart, it is possible to impact the water surface according to the frequency of setting；The top of circular discoid container 1 is provided with light source 4, and the light source 4 can
To be radiated on disc shaped container 1；The circular discoid container 1, oscillator 5, light source 4 are linked together by connecting rod 3 and top cover 2
Form an entirety；The top of top cover 2 is provided with suspending rod, can be by device suspention in the air.
The course of work to the apparatus for demonstrating elaborates below in conjunction with the accompanying drawings.
First, visitor or learner will be full of clear water in circular discoid container 1, open light source 4, now can see
There is the projection image of circular discoid container 1 on the lower ground of the irradiation of light source 4, and then, visitor or learner start oscillator 5, and oscillator 5 is pressed
According to the water surface in certain frequency impact circular discoid container 1, by the projection image on ground, visitor or learner can be clear
Clear sees circular ripple.
Embodiment 2
As shown in Fig. 2 legend shows the interference apparatus for demonstrating structural representation of ripple.
The apparatus for demonstrating is provided with circular discoid container 1 in the lower end of connecting rod 3, fill in the disc shaped container 1 clear water and on
Portion's suspension is provided with 2 oscillators 5, and the oscillator 5 is fixedly mounted in connecting rod 3, and 2 oscillators are respectively symmetrically located at circular discoid
The non-home position of container 1, it is possible to impact the water surface according to the frequency of setting；The top of circular discoid container 1 is provided with light
Source 4, the light source 4 can be radiated on disc shaped container 1；The circular discoid container 1, oscillator 5, light source 4 pass through the and of connecting rod 3
Top cover 2 is joined together to form an entirety；The top of top cover 2 is provided with suspending rod, can be by device suspention in the air.
The course of work to the apparatus for demonstrating elaborates below in conjunction with the accompanying drawings.
First, visitor or learner will be full of clear water in circular discoid container 1, open light source 4, now can see
There is the projection image of circular discoid container 1 on the lower ground of the irradiation of light source 4, and then, visitor or learner start oscillator 5,2 oscillators
5 impact the water surface in circular discoid container 1, by the projection image on ground, visitor or study according to certain frequency simultaneously
Person is clear that the interference of ripple.
Embodiment 3
As shown in figure 3, the apparatus for demonstrating structural representation of the diffraction phenomena of legend displaying ripple.
The apparatus for demonstrating is provided with circular discoid container 1 in the lower end of connecting rod 3, fill in the disc shaped container 1 clear water and on
Portion's suspension is provided with 1 oscillator 5, and the oscillator 5 is fixedly mounted in connecting rod 3, and oscillator 5 is located at the circle of circular discoid container 1
The heart, it is possible to impact the water surface according to the frequency of setting；Circular box dam 7 jaggy is provided with the disc shaped container 1, it is circular
The center of circle of box dam 7 is identical with the center of circle of circular discoid container 1, and the top of circular discoid container 1 is provided with light source 4, the light
Source 4 can be radiated on disc shaped container 1；The circular discoid container 1, oscillator 5, light source 4 are connected by connecting rod 3 and top cover 2
An entirety is formed together；The top of top cover 2 is provided with suspending rod, can be by device suspention in the air.
The course of work to the apparatus for demonstrating elaborates below in conjunction with the accompanying drawings.
First, visitor or learner will be full of clear water in circular discoid container 1, open light source 4, now can see
There is the projection image of circular discoid container 1 on the lower ground of the irradiation of light source 4, and then, visitor or learner start oscillator 5, and oscillator 5 is pressed
According to the water surface in certain frequency impact circular discoid container 1, by the projection image on ground, visitor or learner can be clear
The clear diffraction phenomena for seeing ripple.
Embodiment 4
As shown in figure 4, legend shows standing wave phenomena apparatus for demonstrating structural representation.
The apparatus for demonstrating is provided with track type disc shaped container 1 in the lower end of connecting rod 3, fill in the disc shaped container 1 clear water and
Upper suspension is provided with oscillator 5, and the oscillator 5 is fixedly mounted in connecting rod 3, and oscillator 5 is located at the one of track type disc shaped container 1
End position, it is possible to impact the water surface according to the frequency of setting；The top of track type disc shaped container 1 is provided with light source 4, the light
Source 4 can be radiated on track type disc shaped container 1；The track type disc shaped container 1, oscillator 5, light source 4 pass through connecting rod 3 and top
Lid 2 is joined together to form an entirety；The top of top cover 2 is provided with suspending rod, can be by device suspention in the air.
The course of work to the apparatus for demonstrating elaborates below in conjunction with the accompanying drawings.
First, visitor or learner will be full of clear water in circular discoid container 1, open light source 4, now can see
There is the projection image of circular discoid container 1 on the lower ground of the irradiation of light source 4, and then, visitor or learner start oscillator 5, and oscillator 5 is pressed
According to the water surface in certain frequency impact rectangular disk container 1, by the projection image on ground, visitor or learner can be clear
Clear sees standing wave phenomena.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of experimental demonstration device of waveform, it is characterised in that：Including the disc shaped container for holding liquid clear medium
(1), the bottom wall of the disc shaped container (1) is made of clear material, and disc shaped container (1) top is provided with oscillator (5), the oscillator
(5) liquid level close to transparent liquid medium is set, and can impact liquid level according to the frequency of setting；On the disc shaped container (1)
Side is provided with a light source (4), and the light beam that the light source (4) is sent can pass through the bottom wall of liquid clear medium and disc shaped container (1), and
Solid object surface formation projection below disc shaped container (1).
2. the experimental demonstration device of waveform according to claim 1, it is characterised in that：Between above the disc shaped container (1)
Every being provided with a top cover (2), the top cover (2) is connected by connecting rod (3) with the edge of disc shaped container (1), the light source (4)
On the lower surface of top cover (2).
3. the experimental demonstration device of waveform according to claim 2, it is characterised in that：On the upper surface of the top cover (2)
Provided with the structure for being easy to suspention.
4. the experimental demonstration device of waveform according to claim 2, it is characterised in that：The oscillator (5) passes through overhanging bar
(6) it is fixed on the lower end of connecting rod (3).
5. the experimental demonstration device of waveform according to claim 1, it is characterised in that：The disc shaped container (1) is circle,
The oscillator (5) is one, and the oscillator (5) is located at the center of disc shaped container (1).
6. the experimental demonstration device of waveform according to claim 1, it is characterised in that：It is provided with the disc shaped container (1)
The band circular box dam (7) jaggy being arranged concentrically with disc shaped container (1).
7. the experimental demonstration device of waveform according to claim 1, it is characterised in that：The disc shaped container (1) is circle,
The oscillator (5) is two, and two oscillators (5) are arranged on the axisymmetrical of disc shaped container (1).
8. the experimental demonstration device of waveform according to claim 1, it is characterised in that：The disc shaped container (1) is strip
Shape, the oscillator (5) is one, and wherein one end of the oscillator (5) deviation disc shaped container (1) is set.
9. the experimental demonstration device of waveform according to claim 1, it is characterised in that：The liquid clear medium be water or
Colourless silicone oil.
10. the experimental demonstration device of waveform according to claim 1, it is characterised in that：The disc shaped container (1) is by transparent
Glass is made, and the light source (4) is spotlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065741.9U CN206524058U (en) | 2016-09-20 | 2016-09-20 | The experimental demonstration device of waveform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065741.9U CN206524058U (en) | 2016-09-20 | 2016-09-20 | The experimental demonstration device of waveform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206524058U true CN206524058U (en) | 2017-09-26 |
Family
ID=59889065
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621065741.9U Active CN206524058U (en) | 2016-09-20 | 2016-09-20 | The experimental demonstration device of waveform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206524058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157755A (en) * | 2016-09-20 | 2016-11-23 | 合肥通用机械研究院 | The experimental demonstration device of waveform |
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2016
- 2016-09-20 CN CN201621065741.9U patent/CN206524058U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157755A (en) * | 2016-09-20 | 2016-11-23 | 合肥通用机械研究院 | The experimental demonstration device of waveform |
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Address after: 230031 No. 888 Changjiang West Road, Shushan District, Anhui, Hefei Patentee after: HEFEI GENERAL MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 230031 No. 888 Changjiang West Road, Shushan District, Anhui, Hefei Patentee before: HEFEI GENERAL MACHINERY Research Institute |