CN106157755A - The experimental demonstration device of waveform - Google Patents
The experimental demonstration device of waveform Download PDFInfo
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- CN106157755A CN106157755A CN201610836038.1A CN201610836038A CN106157755A CN 106157755 A CN106157755 A CN 106157755A CN 201610836038 A CN201610836038 A CN 201610836038A CN 106157755 A CN106157755 A CN 106157755A
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- 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
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Abstract
The invention belongs to science popularization and show education and teaching practice activity field, be specifically related to the experimental demonstration device of waveform.This device includes the disc shaped container for holding liquid clear medium, the diapire of this disc shaped container is made of clear material, described disc shaped container top is provided with oscillator, and described oscillator is arranged near the liquid level of transparent liquid medium, and can be according to the frequency impact liquid level set；Described disc shaped container is arranged over a light source, the light beam that this light source sends can pass liquid clear medium and the diapire of disc shaped container, and the solid object surface below disc shaped container forms projection, visitor or learner can be clearly observed the shape of various ripple, thus the understanding of visitor or learner to space self around produced ripple is greatly facilitated.
Description
Technical field
The invention belongs to science popularization and show education and teaching practice activity field, be specifically related to a kind of waveform demonstration dress
Put.
Background technology
In physics, ripple is the disturbance of physical quantity or the physical quantity propagated in a particular form in space.Owing to being with specific
Form propagate, this physical quantity (or its disturbance) becomes the function of locus and time, and is such function, i.e. exists
Time t occurs in the distribution around at the r of space, and in the time, (t+ Δ t) occurs in space (around r+v Δ t) in meeting.V is generally
It is a normal vector, it is simply that about the spread speed of physical quantity (or its disturbance).Physical quantity function is referred to as wave function, and mathematically it is
One solution under the conditions of specific border being wave equation.
The motion that disturbance or the vibration of a certain physical quantity are formed when space pointwise is transmitted is referred to as ripple by us.Multi-form
Although ripple in generation mechanism, circulation way and there is very big difference with the aspect such as the interaction of material, but when propagating
Showing many general character, available identical mathematical method describes and processes.
In education and teaching process are shown in science popularization, usual teacher will draw waveform on blackboard, describes ripple hand and foot
The state of shape, the description of language and the drafting of figure, for learner, cause the difficulty of intuitional instruction.Most commonly seen
It is to be showed by the teaching aid of rope, spring.But, distinct issues are that these teaching aids cannot realize showing the interference of ripple, ripple
Diffraction, the ocular demonstration of standing wave etc. under normal circumstances, this kind of by showing that educational activities need by means of computer media
System shows, and there is the shortcoming that sense of reality is bad, the form of expression is single；And use virtual reality technology, also referred to as spirit border skill
Art or artificial environment, then be utilize computer simulation produce a three-dimensional virtual world, it is provided that user about vision, listen
The simulation of the sense organs such as feel, sense of touch, allows user as being personally on the scene, can observe three-dimensional space in time, without limitation
In things, but have that structure is complicated, cost high, be not easy to and the shortcoming such as audience interaction.
Summary of the invention
It is an object of the invention to provide a kind of waveform apparatus for demonstrating that can intuitively show wave travel characteristic, this device is tied
Structure is simple and cost is relatively low.
For achieving the above object, the invention provides techniques below scheme:
The experimental demonstration device of waveform, including the disc shaped container for holding liquid clear medium, the end of this disc shaped container
Wall is made of clear material, and described disc shaped container top is provided with oscillator, and described oscillator is arranged near the liquid level of transparent liquid medium,
And can be according to the frequency impact liquid level set；Described disc shaped container is arranged over a light source, and the light beam that this light source sends can
Through liquid clear medium and the diapire of disc shaped container, and the solid object surface below disc shaped container forms projection.
Preferably, the described disc shaped container top cover that is provided with spaced above, described top cover passes through connecting rod and disc shaped container
Edge be connected, described light source is arranged on the lower surface of top cover.
Preferably, the upper surface of described top cover is provided with the structure being easy to suspention.
Preferably, described oscillator is fixed on the lower end of connecting rod by overhanging bar.
Preferably, described disc shaped container is circular, and described oscillator is one, and this oscillator is positioned at the center of disc shaped container.
Preferably, the band being arranged concentrically with disc shaped container circular box dam jaggy it is provided with in described disc shaped container.
Preferably, described disc shaped container is circular, and described oscillator is two, and two oscillators are about the axis pair of disc shaped container
Claim to arrange.
Preferably, described disc shaped container is strip, and described oscillator is one, and this oscillator deflection disc shaped container is wherein
One end is arranged.
Preferably, described liquid clear medium is water or colourless silicone oil.
Preferably, described disc shaped container is made up of clear glass.
The method have technical effect that:
1), the present invention devise the experimental demonstration device of waveform by simple structure and means, simple to operation, demonstration
Effect is clear and intuitive.Owing to disc shaped container is transparence, irradiated by light source above it, can in the bottom of device, as
On face, forming apparent image, therefore visitor or learner can be clearly observed the shape of various ripple, thus greatly
Promote greatly the understanding of visitor or learner ripple produced to the space around self.
2), the present invention is in addition to can demonstrating circular ripple, it is also possible to the demonstration interference of ripple, the diffraction of ripple and standing wave phenomena.
3), this device use hang and spotlight projection to combine, can be logical according to using on-the-spot situation
Cross and change the height that apparatus for demonstrating hangs, adjust the size of projection picture, can accomplish that large area projection is shown, be especially suitable for
Use in science popularization venue.
4), the present invention have interactive, visitor or learner are it could be visually observed that along with the difference of disc shaped container
Different from position with oscillator quantity, produced waveform is diverse.This dynamic by visitor or learner oneself
Hands and direct viewing, may advantageously facilitate the understanding to waveform in teaching process of visitor or learner；Also improve simultaneously and drill
Interactive and interesting during showing, substantially increases bandwagon effect and quality of instruction.
5), oscillator power consumption of the present invention few, LED spotlight is energy-conservation, can drill in various places according to actual needs
Show, meet the society need of energy-saving and emission-reduction, and simple in construction, reduce maintenance cost, be suitable for long-term science popularization and show and religion
Activity uses.
Accompanying drawing explanation
Fig. 1 is the perspective view of the waveform apparatus for demonstrating that embodiments of the invention 1 are provided；
Fig. 2 is the perspective view of the waveform apparatus for demonstrating that embodiments of the invention 2 are provided；
Fig. 3 is the perspective view of the waveform apparatus for demonstrating that embodiments of the invention 3 are provided；
Fig. 4 is the perspective view of the waveform apparatus for demonstrating that embodiments of the invention 4 are provided.
The implication of the label symbol in accompanying drawing is as follows:
1-disc shaped container
2-top cover
3-connecting rod
4-light source
5-oscillator
6-overhanging bar
7-circle box dam
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As Figure 1-4, a kind of waveform apparatus for demonstrating, including the disc shaped container 1 for holding liquid clear medium, this dish
The diapire of shape container 1 is made of clear material.This liquid clear medium and transparent material are not limited to water white transparency, are sometimes
Make projection more eye-catching, use coloured liquid clear medium or colored transparent material result more preferably, specifically also need to according to existing
Depending on the photoenvironment of field.Described disc shaped container 1 top is provided with oscillator 5, and described oscillator 5 sets near the liquid level of transparent liquid medium
Put, and can be according to the frequency impact liquid level set；Described disc shaped container 1 is arranged over a light source 4, the light that this light source 4 sends
Bundle can pass liquid clear medium and the diapire of disc shaped container 1, and the solid object surface below disc shaped container 1 forms projection.
Described liquid clear medium is water or colourless silicone oil.Described disc shaped container 1 is made up of clear glass, and described light source 4 is spotlight.
The present invention simple structure and means devise the experimental demonstration device of waveform, and simple to operation, demonstrating effect is the most straight
See.Owing to disc shaped container 1 is transparence, irradiated by the light source 4 above it, can be in the bottom of device, on ground, formed
Apparent image, therefore visitor or learner can be clearly observed the shape of various ripple, thus are greatly facilitated
Visitor or the understanding of learner ripple produced to the space around self.
Embodiment 1
As it is shown in figure 1, legend shows the apparatus for demonstrating structural representation of circular ripple phenomenon.
This apparatus for demonstrating is provided with circular discoid container 1 in connecting rod 3 lower end, fill in described disc shaped container 1 clear water and on
Portion hangs and is provided with 1 oscillator 5, and described oscillator 5 is fixedly mounted in connecting rod 3, and oscillator is positioned at the circle of circular discoid container 1
The heart, it is possible to according to the frequency impact water surface set；Described circular discoid container 1 top is provided with light source 4, and described light source 4 can
To be radiated on disc shaped container 1；Described circular discoid container 1, oscillator 5, light source 4 are linked together by connecting rod 3 and top cover 2
Form an entirety；Described top cover 2 top is provided with suspending rod, can be suspended in the air by device.
Below in conjunction with the accompanying drawings the work process of this apparatus for demonstrating is elaborated.
First, visitor or learner will be full of clear water in circular discoid container 1, open light source 4, now it can be seen that
Light source 4 irradiates lower ground the projection image of circular discoid container 1, and subsequently, visitor or learner start oscillator 5, and oscillator 5 is pressed
According to the water surface in certain frequency impact circular discoid container 1, can be clear by the projection image on ground, visitor or learner
Clear sees circular ripple.
Embodiment 2
As in figure 2 it is shown, legend shows the interference apparatus for demonstrating structural representation of ripple.
This apparatus for demonstrating is provided with circular discoid container 1 in connecting rod 3 lower end, fill in described disc shaped container 1 clear water and on
Portion hangs and is provided with 2 oscillators 5, and described oscillator 5 is fixedly mounted in connecting rod 3, and 2 oscillators are respectively symmetrically and are positioned at circular discoid
The non-home position of container 1, it is possible to according to the frequency impact water surface set；Described circular discoid container 1 top is provided with light
Source 4, described light source 4 can be radiated on disc shaped container 1；Described circular discoid container 1, oscillator 5, light source 4 are by connecting rod 3 and
Top cover 2 is joined together to form an entirety；Described top cover 2 top is provided with suspending rod, can be suspended in the air by device.
Below in conjunction with the accompanying drawings the work process of this apparatus for demonstrating is elaborated.
First, visitor or learner will be full of clear water in circular discoid container 1, open light source 4, now it can be seen that
Light source 4 irradiates lower ground the projection image of circular discoid container 1, and subsequently, visitor or learner start oscillator 5,2 oscillators
5 simultaneously according to the water surface in certain frequency impact circular discoid container 1, by the projection image on ground, visitor or study
Person is it is clear that the interference of ripple.
Embodiment 3
As it is shown on figure 3, legend shows the apparatus for demonstrating structural representation of the diffraction of ripple.
This apparatus for demonstrating is provided with circular discoid container 1 in connecting rod 3 lower end, fill in described disc shaped container 1 clear water and on
Portion hangs and is provided with 1 oscillator 5, and described oscillator 5 is fixedly mounted in connecting rod 3, and oscillator 5 is positioned at the circle of circular discoid container 1
The heart, it is possible to according to the frequency impact water surface set；Circular box dam 7 jaggy it is provided with in described disc shaped container 1, circular
The center of circle of box dam 7 is identical with the center of circle of circular discoid container 1, and described circular discoid container 1 top is provided with light source 4, described light
Source 4 can be radiated on disc shaped container 1；Described circular discoid container 1, oscillator 5, light source 4 are connected by connecting rod 3 and top cover 2
Form an entirety together；Described top cover 2 top is provided with suspending rod, can be suspended in the air by device.
Below in conjunction with the accompanying drawings the work process of this apparatus for demonstrating is elaborated.
First, visitor or learner will be full of clear water in circular discoid container 1, open light source 4, now it can be seen that
Light source 4 irradiates lower ground the projection image of circular discoid container 1, and subsequently, visitor or learner start oscillator 5, and oscillator 5 is pressed
According to the water surface in certain frequency impact circular discoid container 1, can be clear by the projection image on ground, visitor or learner
The clear diffraction seeing ripple.
Embodiment 4
As shown in Figure 4, legend shows standing wave phenomena apparatus for demonstrating structural representation.
This apparatus for demonstrating is provided with track type disc shaped container 1 in connecting rod 3 lower end, fill in described disc shaped container 1 clear water and
Upper suspension is provided with oscillator 5, and described oscillator 5 is fixedly mounted in connecting rod 3, and oscillator 5 is positioned at the one of track type disc shaped container 1
End position, it is possible to according to the frequency impact water surface set；Described track type disc shaped container 1 top is provided with light source 4, described light
Source 4 can be radiated on track type disc shaped container 1；Described track type disc shaped container 1, oscillator 5, light source 4 are by connecting rod 3 and top
Lid 2 is joined together to form an entirety；Described top cover 2 top is provided with suspending rod, can be suspended in the air by device.
Below in conjunction with the accompanying drawings the work process of this apparatus for demonstrating is elaborated.
First, visitor or learner will be full of clear water in circular discoid container 1, open light source 4, now it can be seen that
Light source 4 irradiates lower ground the projection image of circular discoid container 1, and subsequently, visitor or learner start oscillator 5, and oscillator 5 is pressed
According to the water surface in certain frequency impact rectangular disk container 1, can be clear by the projection image on ground, visitor or learner
Clear sees standing wave phenomena.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (10)
1. the experimental demonstration device of a waveform, it is characterised in that: include the disc shaped container for holding liquid clear medium
(1), the diapire of this disc shaped container (1) is made of clear material, and described disc shaped container (1) top is provided with oscillator (5), described oscillator
(5) liquid level near transparent liquid medium is arranged, and can be according to the frequency impact liquid level set；On described disc shaped container (1)
Side is provided with a light source (4), and the light beam that this light source (4) sends can pass liquid clear medium and the diapire of disc shaped container (1), and
Solid object surface in disc shaped container (1) lower section forms projection.
The apparatus for demonstrating of waveform the most according to claim 1, it is characterised in that: described disc shaped container (1) is spaced above to be set
Being equipped with a top cover (2), described top cover (2) is connected with the edge of disc shaped container (1) by connecting rod (3), and described light source (4) is installed
On the lower surface of top cover (2).
The apparatus for demonstrating of waveform the most according to claim 1, it is characterised in that: the upper surface of described top cover (2) is provided with
It is easy to the structure (6) of suspention.
The apparatus for demonstrating of waveform the most according to claim 2, it is characterised in that: described oscillator (5) is solid by overhanging bar (6)
It is scheduled on the lower end of connecting rod (3).
The apparatus for demonstrating of waveform the most according to claim 1, it is characterised in that: described disc shaped container (1) is circular, described
Oscillator (5) is one, and this oscillator (5) is positioned at the center of disc shaped container (1).
The apparatus for demonstrating of waveform the most according to claim 1, it is characterised in that: described disc shaped container is provided with and dish in (1)
The band circular box dam (7) jaggy that shape container (1) is arranged concentrically.
The apparatus for demonstrating of waveform the most according to claim 1, it is characterised in that: described disc shaped container (1) is circular, described
Oscillator (5) is two, and two oscillators (5) are about the axisymmetrical layout of disc shaped container (1).
The apparatus for demonstrating of waveform the most according to claim 1, it is characterised in that: described disc shaped container (1) is strip, institute
Stating oscillator (5) is one, and wherein one end of this oscillator (5) deflection disc shaped container (1) is arranged.
The apparatus for demonstrating of waveform the most according to claim 1, it is characterised in that: described liquid clear medium is water or colourless
Silicone oil.
The apparatus for demonstrating of waveform the most according to claim 1, it is characterised in that: described disc shaped container (1) is by clear glass
Making, described light source (4) is spotlight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836038.1A CN106157755A (en) | 2016-09-20 | 2016-09-20 | The experimental demonstration device of waveform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836038.1A CN106157755A (en) | 2016-09-20 | 2016-09-20 | The experimental demonstration device of waveform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106157755A true CN106157755A (en) | 2016-11-23 |
Family
ID=57341122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610836038.1A Pending CN106157755A (en) | 2016-09-20 | 2016-09-20 | The experimental demonstration device of waveform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106157755A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201845473U (en) * | 2010-10-08 | 2011-05-25 | 吴建伟 | Electromagnetic type water wave interference demonstrator |
| CN103400520A (en) * | 2013-07-29 | 2013-11-20 | 高艺 | Mechanical wave demonstrator |
| CN206524058U (en) * | 2016-09-20 | 2017-09-26 | 合肥通用机械研究院 | The experimental demonstration device of waveform |
-
2016
- 2016-09-20 CN CN201610836038.1A patent/CN106157755A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201845473U (en) * | 2010-10-08 | 2011-05-25 | 吴建伟 | Electromagnetic type water wave interference demonstrator |
| CN103400520A (en) * | 2013-07-29 | 2013-11-20 | 高艺 | Mechanical wave demonstrator |
| CN206524058U (en) * | 2016-09-20 | 2017-09-26 | 合肥通用机械研究院 | The experimental demonstration device of waveform |
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Application publication date: 20161123 |
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| RJ01 | Rejection of invention patent application after publication |