CN104504971B - A kind of sound transmission demonstrator - Google Patents
A kind of sound transmission demonstrator Download PDFInfo
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- CN104504971B CN104504971B CN201410544029.6A CN201410544029A CN104504971B CN 104504971 B CN104504971 B CN 104504971B CN 201410544029 A CN201410544029 A CN 201410544029A CN 104504971 B CN104504971 B CN 104504971B
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- pump
- air chamber
- sounding body
- sound
- storage container
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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
- G09B23/14—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for acoustics
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Algebra (AREA)
- Business, Economics & Management (AREA)
- Acoustics & Sound (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Devices For Dispensing Beverages (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of sound transmission demonstrator, including open liquid storage container, sounding body, air chamber I and remote control, it is characterized in that, the sounding body is arranged in liquid storage container, sounding body is connected with air chamber I, pump drainage liquid device I is provided with the air chamber I, sounding body and pump drainage the liquid device I is by remote control control.The present invention is by liquid storage container, sounding body, air chamber I and the isostructural combined innovation of remote control there is provided one kind is simple in construction, and easy to operate, demonstration is accurate, and anti-interference is good, clear and intuitive and can demonstrate the sound transmission demonstrator of a variety of physical phenomenons.
Description
Technical field
The present invention relates to the technical field of teaching aid, more specifically to a kind of sound transmission demonstrator.
Background technology
In physical teaching course, the principle of sound transmission is exactly one of course.In order to which demonstrating sound is in liquid
The property of middle propagation, teacher generally requires to complete by the teaching aid of sound transmission.In some teaching aids, sounding body therein is all
Fixing device is needed to be fixed so that sounding body has the structure contacted with other media, it is difficult to which demonstrating sound is in a liquid
, there is the problem of degree of accuracy that demonstrating sound propagates in a liquid is low in the property of propagation.And in the teaching aid with suspension structure,
Because structure is unreasonable, magnetic interference therein is than more serious, it is also difficult to the property that demonstrating sound is propagated in a vacuum.But
General teaching aid of the prior art is also difficult to the property that demonstrating sound is propagated in a liquid.Such as Chinese patent notification number CN
A kind of 101593446 A, publication date on December 02nd, 2009, entitled sound transmission teaching aid of innovation and creation, Patent Case is public
A kind of teaching aid of sound transmission has been driven, has passed through container, syringe and the isostructural combined innovation of buzzer so that student can be straight
Sight ground perception demonstration air-borne sound ability, but the work vacuumized during the teaching aid of the Patent Case by syringe, take out
Vacuum is small, exist can not effectively demonstrating sound propagation property the problem of.And for example such as Chinese patent Authorization Notice No. CN
202332014 U, authorized announcement date 2012 year 07 month 11 days, the entitled teaching device of sound propagation test of innovation and creation should
Patent Case discloses a kind of teaching aid of sound transmission, passes through vial, electric bell, bottom plate, cover plate and the isostructural combination of vavuum pump
Innovation, the teaching aid realizes the purpose that sound can not be propagated in vacuum environment and can propagated in atmosphere, but the patent
The electric bell of case is connected by fixing device with cover plate, when demonstrating sound is propagated, and the sound of electric bell passes through fixing device and cover plate,
Or can outwardly propagate, exist can not effectively demonstrating sound propagation property the problem of.And for example such as Chinese patent mandate
The U of notification number CN 202917067, authorized announcement date 2013 year 05 month 01 day, the entitled sound transmission demonstrator of innovation and creation,
The Patent Case discloses the acoustic propagation demonstrator in a kind of physics teaching, by vacuum (-tight) housing, electromagnetic suspension sound source, by microphone, nothing
Line telephone transmitters and the isostructural combined innovation of wireless receiving loudspeaker, can absolutely prove the property of sound transmission, still
Magnetic field interference easily occurs for the electromagnetic suspension apparatus of the Patent Case and called part, when demonstrating sound is propagated, there is demonstration sound
The problem of sound propagation property is inaccurate, while magnetic levitation system is arranged in vacuum (-tight) housing, when demonstrating sound is propagated in a liquid,
Easily occur electric shock and other safety accidents.The present invention passes through liquid storage container, sounding body, air chamber I and the isostructural combination of remote control
Innovation is easy to operate there is provided one kind is simple in construction, and demonstration is accurate, and anti-interference is good, clear and intuitive and can demonstrate a variety of physics
The sound transmission demonstrator of phenomenon.
The content of the invention
The present invention solves what general teaching aid in the prior art was propagated without effectively solution interference free performance difference and demonstrating sound
The inaccurate technical problem of property passes through liquid storage container, sounding body, air chamber I and remote control there is provided a kind of sound transmission demonstrator
The structure innovation of device etc., realizes that the demonstrator has simple in construction, easy to operate, and demonstration is accurate, and anti-interference is good, clear and intuitive
The characteristics of with a variety of physical phenomenons can be demonstrated.
In order to solve above-mentioned technical problem, the present invention takes following technical proposals：A kind of sound transmission demonstrator,
Including open liquid storage container, sounding body, air chamber I and remote control, it is characterised in that the sounding body is arranged on liquid storage container
In, sounding body is connected with air chamber I, provided with pump drainage liquid device I in the air chamber I, sounding body and pump drainage the liquid dress
I is put by remote control control.
In demonstration, a certain amount of running water first is poured into toward liquid storage container, sounding body, sounding body hair are opened by remote control
Go out the sound, student can hear sound, illustrate that sound makes what can be propagated by air；Then by sounding body and air chamber I mono-
Rise and be put into liquid storage container, sounding body and air chamber I float on the surface, and student can hear sound, show that sound passes through the water surface
It can be propagated with air；Pump drainage liquid device I is started by remote control again, the running water in liquid storage container is gradually taken out
Enter in air chamber I, air chamber I and sounding body are gradually sunk in running water, until air chamber I and sounding body are suspended in water completely
When, pump drainage liquid device I is stopped, and student remains able to hear the sound that sounding body is sent, show sound by running water,
The water surface and air can be propagated；Pump drainage liquid device I is again started up, air chamber I and sounding body is sunk under water, Xue Shengyi
So can acoustic, show sound by running water, the water surface and air, or can be propagated when liquid storage container and air, with
On demonstration can propagate when showing sound in water.Change running water into other liquid afterwards, and carry out sound transmission
Lecture experiment, student still can be with acoustic.Summary, it was demonstrated that sound can be propagated in a liquid, while this is drilled
Show instrument can as demonstrating submarine boat principle demonstrator.
Liquid storage container, simple in construction, the experimental liquid for storing the demonstrator；Sounding body, for the sound source of the demonstrator；
Remote control, work and cut-off for controlling sounding body and pump drainage liquid device, while the demonstrator by remote control to sounding
It is the physical phenomenon that can be propagated in a liquid that the control of body and pump drainage liquid device, which also demonstrates electromagnetic signal,；Remote control, sky
Air cavity I and pump drainage liquid device are combined, realize sounding body by floatation suspension in a liquid, and demonstration when, pump drainage liquid
Device is stopped, and compared with making the structure of sound source leaching in a liquid by other external force such as magnetic field force, had both avoided other and has consolidated
Determine contact of the device with sound source, it also avoid interference of the magnetic field force to demonstration instrument, performance is stable, improves the standard of presentation process
True property.
Preferably, the pump drainage liquid device I is made up of suction pump I and draining pump I, the suction pump I and draining pump I
Power supply be dc source, the drinking-water pipe of the suction pump I and draining pump I drainpipe are arranged in liquid storage container, are taken out
Water pump I delivery port and draining pump I water inlet are arranged in air chamber I, and the suction pump I and draining pump I are by remote control
Device is controlled.Dc source, effectively prevent interference during to sounding body running；The pump drainage liquid device have it is simple in construction and into
The characteristics of this is low, while suction pump I and draining pump I can also be combined into one to the water pump of structure, the water pump has simultaneously to be taken out
Water and drain function so that structure is compacter, cost is relatively low.
Preferably, the sounding body is provided with indicator lamp I.Indicator lamp I is bright, shows sounding body running；Conversely, indicator lamp
I extinguishes, and shows that sounding body is stopped so that presentation process is visual in image, while also showing that light is to propagate in a liquid
Physical phenomenon.
Preferably, the liquid storage container and air chamber I are made of clear material.In demonstration, facilitate student side entirely
Position observation experiment, it is ensured that the efficiency of demonstration.
Preferably, described demonstrator also includes sound receiver, air chamber II and loudspeaker, the sound receiver
It is arranged in liquid storage container, sound receiver is adapted with sounding body, is connected with loudspeaker by wireless signal, the air chamber
II is connected with sound receiver, and pump drainage liquid device II, sound receiver and the pump drainage liquid device are provided with air chamber II
II is by remote control control.Sound receiver and air chamber II are also placed in liquid storage container, the sound transmission of sounding body is realized
With reception completely in a liquid, and by transmission of wireless signals into loudspeaker, the sound of sounding body can be amplified, the sound is more
Greatly, apparent, it is to avoid the transmittance process of liquid storage container and air, demonstration is more accurate more convenient.
Preferably, the pump drainage liquid device II is made up of suction pump II and draining pump II, the suction pump II and row
Water pump II power supply is dc source, and the drinking-water pipe of the suction pump II and draining pump II drainpipe are arranged at liquid storage appearance
In device, suction pump II delivery port and draining pump II water inlet are arranged in air chamber II, the suction pump II and draining
Pump II is by remote control control.
Preferably, the sound receiver is provided with indicator lamp II.
Preferably, the air chamber II is made of clear material.
A kind of above-mentioned technical scheme due to taking, sound transmission demonstrator that the present invention is provided has such beneficial effect
Really：
1. being combined by remote control, air chamber I, pump drainage liquid device and sounding body, realize that sounding body passes through buoyancy
Float on a liquid, it is to avoid contacts of other fixing devices with sound source, the accuracy of presentation process is improved, while with passing through magnetic
Other external force such as field force compare the structure of sound source leaching in a liquid, it also avoid interference of the magnetic field force to demonstration instrument；
2. being combined by remote control, sounding body and liquid storage container, realize that magnetic field signal can be propagated in a liquid
Physical phenomenon；
3. being combined by air chamber II, sound receiver and loudspeaker, in presentation process, realize that student can be accurate
The sound that sounding body is sent clearly is heard, while sounding body and sound receiver float on a liquid, it is ensured that demonstration
Accuracy；
4. the pump drainage liquid device being made up of suction pump, draining pump and dc source so that the demonstrator has anti-interference
The characteristics of property is good；
5. pass through sounding body, sound receiver and the isostructural innovation of two indicator lamps so that student can clearly know
Sound is sent from sounding body, and raising presentation process is more visual in image, and also illustrate that light can be passed in a liquid
The physical phenomenon broadcast.
Brief description of the drawings
Accompanying drawing 1 is the first structural representation of the invention；
Accompanying drawing 2 for accompanying drawing 1 of the present invention A to enlarged drawing；
Accompanying drawing 3 is second of structural representation of the invention；
Accompanying drawing 4 for accompanying drawing 3 of the present invention B to enlarged drawing.
In figure：Liquid storage container, 1 sounding body, 2 air chamber I, 3 remote controls, 4 suction pump I, 5 draining pump I, 6 indicate
Lamp I, 7 sound receivers, 8 air chamber II, 9 loudspeakers, 10 suction pump II, 11 draining pump II, 12 indicator lamp II, 13.
Embodiment
Refering to accompanying drawing, the present invention is described in further detail：
Embodiment one：With reference to accompanying drawing 1, liquid storage container 1, sounding body 2, the sky of a kind of sound transmission demonstrator, including opening
Air cavity I3 and remote control 4, sounding body 2 are arranged in liquid storage container 1, and sounding body 2 is connected with air chamber I3, are provided with air chamber I3
Pump drainage liquid device I, sounding body 2 and pump drainage liquid device I are controlled by remote control 4.
Embodiment two：With reference to attached Fig. 1 and 2, a kind of sound transmission demonstrator, including open liquid storage container 1, sounding body 2,
Air chamber I3 and remote control 4, sounding body 2 are provided with indicator lamp I7, and sounding body 2 is arranged in liquid storage container 1, sounding body 2 and sky
Air cavity I3 is connected, and is made up of in air chamber I3 provided with pump drainage liquid device I, pump drainage liquid device I suction pump I5 and draining pump I6,
Suction pump I5 and draining pump I6 power supply are dc source, and suction pump I5 drinking-water pipe and draining pump I6 drainpipe are respectively provided with
In liquid storage container 1, suction pump I5 delivery port and draining pump I6 water inlet are arranged in air chamber I3, sounding body 2, are taken out
Water pump I5 and draining pump I6 are controlled by remote control 4, and liquid storage container 1 and air chamber I3 are made of clear material.
Embodiment three：With reference to accompanying drawing 3, liquid storage container 1, sounding body 2, the sky of a kind of sound transmission demonstrator, including opening
Air cavity I3, remote control 4, sound receiver 8, air chamber II9 and loudspeaker 10, sounding body 2 and sound receiver 8 are arranged at storage
In liquid container 1, sounding body 2 is connected with air chamber I3, and pump drainage liquid device I, sound receiver 8 and sounding are provided with air chamber I3
Body 2 is adapted, and is connected with loudspeaker 10 by wireless signal, and air chamber II9 is connected with sound receiver 8, is set in air chamber II9
There is pump drainage liquid device II, sounding body 2, pump drainage liquid device I, sound receiver 8 and pump drainage liquid device II are by remote control 4
Control.
Example IV：With reference to accompanying drawing 2,3 and 4, liquid storage container 1, the sounding body of a kind of sound transmission demonstrator, including opening
2nd, air chamber I3, remote control 4, sound receiver 8, air chamber II9 and loudspeaker 10, sounding body 2 are provided with indicator lamp I7, sound
Receiver 8 is provided with indicator lamp II13, and sounding body 2 and sound receiver 8 are arranged in liquid storage container 1, sounding body 2 and air chamber
I3 is connected, and is made up of, draws water suction pump I5 and draining pump I6 provided with pump drainage liquid device I, pump drainage liquid device I in air chamber I3
Pump I5 and draining pump I6 power supply are dc source, and suction pump I5 drinking-water pipe and draining pump I6 drainpipe are arranged at storage
In liquid container 1, suction pump I5 delivery port and draining pump I6 water inlet are arranged in air chamber I3, sound receiver 8 with
Sounding body 2 is adapted, and is connected with loudspeaker 10 by wireless signal, and air chamber II9 is connected with sound receiver 8, air chamber II9
It is interior to be made up of provided with pump drainage liquid device II, pump drainage liquid device II suction pump II11 and draining pump II12, suction pump II11 and
Draining pump II12 power supply is dc source, and suction pump II11 drinking-water pipe and draining pump II12 drainpipe are arranged at storage
In liquid container 1, suction pump II11 delivery port and draining pump II12 water inlet are arranged in air chamber II9, sounding body 2,
Suction pump I5, draining pump I6, sound receiver 8, suction pump II11 and draining pump II12 are controlled by remote control 4, liquid storage container
1st, air chamber I3 and air chamber II9 are made of clear material.
Above-described four specific embodiments, the present invention is described in detail.Specific implementation used herein
Example is set forth to the principle and embodiment of the present invention, and the explanation of embodiment is only intended to the core for helping to understand the present invention
Thought.It should be pointed out that for those skilled in the art, not departing from the premise of core concept of the present invention
Under, some modifications, such as size and shape of liquid storage container and two air chambers, each water pump can also be carried out to the present invention
Particular technique parameter etc. carry out some modification or claim carries out the combination of some feasibilities, it should fall in the present invention
Within scope of the claims.
Claims (5)
1. a kind of sound transmission demonstrator, including open liquid storage container（1）, sounding body（2）, air chamber I（3）And remote control
（4）, it is characterised in that the sounding body（2）It is arranged on liquid storage container（1）In, sounding body（2）With air chamber I（3）It is connected, institute
State air chamber I（3）It is interior to be provided with pump drainage liquid device I, the sounding body（2）With pump drainage liquid device I by remote control（4）Control
System, described demonstrator also includes sound receiver（8）, air chamber II（9）And loudspeaker（10）, the sound receiver（8）
It is arranged on liquid storage container（1）In, sound receiver（8）With sounding body（2）It is adapted, with loudspeaker（10）Pass through wireless signal phase
Even, the air chamber II（9）With sound receiver（8）It is connected, air chamber II（9）It is interior to be provided with pump drainage liquid device II, the sound
Sound receiver（8）With pump drainage liquid device II by remote control（4）Control, the pump drainage liquid device I is by suction pump I（5）With
Draining pump I（6）Composition, the suction pump I（5）With draining pump I（6）Power supply be dc source, the suction pump I（5）'s
Drinking-water pipe and draining pump I（6）Drainpipe be arranged at liquid storage container（1）In, suction pump I（5）Delivery port and draining pump I
（6）Water inlet be arranged at air chamber I（3）In, the suction pump I（5）With draining pump I（6）By remote control（4）Control；
Or the pump drainage liquid device II is by suction pump II（11）With draining pump II（12）Composition, the suction pump II（11）And draining pump
II（12）Power supply be dc source, the suction pump II（11）Drinking-water pipe and draining pump II（12）Drainpipe be respectively provided with
In liquid storage container（1）In, suction pump II（11）Delivery port and draining pump II（12）Water inlet be arranged at air chamber II（9）
In, the suction pump II（11）With draining pump II（12）By remote control（4）Control.
2. a kind of sound transmission demonstrator according to claim 1, it is characterised in that the sounding body（2）Provided with finger
Show lamp I（7）.
3. a kind of sound transmission demonstrator according to claim 1, it is characterised in that the liquid storage container（1）And air
Chamber I（3）It is made of clear material.
4. a kind of sound transmission demonstrator according to claim 1, it is characterised in that the sound receiver（8）It is provided with
Indicator lamp II（13）.
5. a kind of sound transmission demonstrator according to claim 1, it is characterised in that the air chamber II（9）By transparent
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544029.6A CN104504971B (en) | 2014-10-15 | 2014-10-15 | A kind of sound transmission demonstrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544029.6A CN104504971B (en) | 2014-10-15 | 2014-10-15 | A kind of sound transmission demonstrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104504971A CN104504971A (en) | 2015-04-08 |
| CN104504971B true CN104504971B (en) | 2017-10-03 |
Family
ID=52946588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410544029.6A Expired - Fee Related CN104504971B (en) | 2014-10-15 | 2014-10-15 | A kind of sound transmission demonstrator |
Country Status (1)
| Country | Link |
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| CN (1) | CN104504971B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2904168Y (en) * | 2006-04-19 | 2007-05-23 | 云南省昆明市第三十中学 | Teaching apparatus for demonstrating sound wave propagation in water |
| CN201392605Y (en) * | 2009-03-24 | 2010-01-27 | 赵明乔 | Sound transmission displayer |
| CN101872568A (en) * | 2009-04-24 | 2010-10-27 | 雷海平 | Liquid transaudient experiment instrument |
| CN202917067U (en) * | 2012-06-09 | 2013-05-01 | 黄声会 | Sound propagation demonstration instrument |
| CN203799542U (en) * | 2014-04-16 | 2014-08-27 | 吴昊 | Buoyancy demonstration device |
| CN203870865U (en) * | 2014-06-10 | 2014-10-08 | 李建荣 | Sound transmission demonstrator |
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2014
- 2014-10-15 CN CN201410544029.6A patent/CN104504971B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104504971A (en) | 2015-04-08 |
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