CN221101552U - Visual presentation device of sound amplitude and frequency - Google Patents
Visual presentation device of sound amplitude and frequency Download PDFInfo
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- CN221101552U CN221101552U CN202322841357.XU CN202322841357U CN221101552U CN 221101552 U CN221101552 U CN 221101552U CN 202322841357 U CN202322841357 U CN 202322841357U CN 221101552 U CN221101552 U CN 221101552U
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- 230000000007 visual effect Effects 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000003384 imaging method Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000009191 jumping Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
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Abstract
The utility model provides a visual demonstration device for sound amplitude and frequency, belonging to the technical field of teaching aid equipment; the device comprises a turntable reflecting mirror, at least two acousto-optic reflecting mechanisms are arranged around the turntable reflecting mirror, the acousto-optic reflecting mechanisms emit light to the turntable reflecting mirror while sounding, the turntable reflecting mirror reflects the light to an imaging device, the turntable reflecting mirror converts the sound amplitude emitted by the acousto-optic reflecting mechanisms into jumping light, and the imaging device is used for displaying the jumping light; the utility model can image and embody the vibration of the sound wave in a light form so as to observe the waveform of the vibration of the sound wave, and can compare a plurality of sound sources so as to realize comparison display.
Description
Technical Field
The utility model relates to the technical field of teaching aids, in particular to a visual demonstration device for sound amplitude and frequency.
Background
The sound wave is invisible wave, so that the vibration frequency of the sound wave and the pitch of the sound wave need to be observed, the sound wave is converted into a visible form, and a method for converting the sound wave into light is generally adopted in the prior art, so that the sound wave is imaged and the vibration condition of the sound wave is observed. The acoustic wave ray conversion devices in the prior art are all visual demonstration of a single sound source, lack the function of transverse comparison, and only demonstrate the vibration frequency of the sound source but not the vibration waveform and the flicker frequency of the waveform of the sound source.
Disclosure of utility model
The utility model aims to solve the technical problems that a sound amplitude and frequency visual demonstration device cannot be used for transverse comparison and demonstration of sound vibration waveforms and flicker frequencies of the waveforms in the prior art.
In order to solve the technical problems, the utility model provides the following technical scheme:
The utility model provides a visual presentation device of sound amplitude and frequency, includes the revolving stage speculum, be equipped with two at least acousto-optic reflection mechanism around the revolving stage speculum, the sound production of acousto-optic reflection mechanism simultaneously the emission light extremely the revolving stage speculum, the revolving stage speculum reflects light to image device, the revolving stage speculum will the sound amplitude that the acousto-optic reflection mechanism sent changes the light that beats, image device is used for showing the light that beats.
Preferably, the acousto-optic reflection mechanism comprises sound sources and lasers, the number of the lasers is equal to that of the sound sources, and the lasers and the sound sources are respectively and correspondingly arranged.
Preferably, the demonstration device further comprises a demonstration table, the turntable reflecting mirror and the acousto-optic reflecting mechanism are installed on the demonstration table, a rocking handle is arranged on the demonstration table, the rocking handle is connected with the turntable reflecting mirror through crawler transmission, and the rocking handle is rocked to drive the turntable reflecting mirror to rotate.
Preferably, the number of the acousto-optic reflecting mechanisms is three, and the color of laser light emitted by the laser in each acousto-optic reflecting mechanism is different.
Preferably, a sound source switch is arranged on the sound source, laser switches are arranged on the display table, the number of the laser switches is equal to that of the lasers, and each laser switch is used for controlling each laser correspondingly.
Preferably, a main switch and a scram switch are further arranged on the display stand, the main switch is electrically connected with all the lasers, and the main switch controls the on-off of all the lasers at the same time; the emergency stop switch is electrically connected with all the lasers and all the sound sources, and the emergency stop switch simultaneously controls the opening and closing of all the lasers and all the sound sources.
Preferably, the rotary table reflector comprises a rotary table and a polygon mirror, the polygon mirror is mounted on the rotary table, the rocking handle controls the rotary table to rotate and drives the polygon mirror to rotate, and the number of the surfaces of the mirror in the polygon mirror is two.
Preferably, the tail end of the rocking handle is in transmission connection with a driving gear, the rotary table is in transmission connection with a driven gear through a transmission shaft, and the driving gear is in transmission connection with the driven gear through the crawler belt.
Preferably, a lens is arranged on the sound source, the lens is driven to vibrate when the sound source sounds, the started laser emits laser to the vibrated lens, and the lens reflects the vibrated laser to the turntable reflecting mirror.
Preferably, the imaging device is a curtain or a wall surface, the turntable reflecting mirror reflects the vibrated laser to the curtain or the wall surface, and the curtain or the wall surface displays the vibration condition of the vibrated laser.
Compared with the prior art, the utility model has at least the following beneficial effects:
In the scheme, scientific education demonstration is carried out through visual, clear and accurate experimental phenomena, the aim of contrast display is achieved through simultaneous working of 1-3 sound sources, and the operation is simple and convenient and easy to implement; the turntable reflector can visually demonstrate the waveform of sound vibration generated by sound waves, and the turntable reflector can visually demonstrate and adjust the flicker frequency of the waveform; the application utilizes effective and reasonable space arrangement to integrate the sound source, the reflecting device and the laser into a whole, and utilizes the mechanical transmission device to form a scientific device with simple structure and visual interaction, can simultaneously carry out demonstration and comparison experiments, and is convenient to carry; the application has the advantages of small specific quantity, large display range, high safety, stable effect and vivid phenomenon, and is suitable for indoor large-space display.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the disclosure and to enable a person skilled in the pertinent art to make and use the disclosure.
FIG. 1 is a top view of a visual demonstration device for sound amplitude and frequency according to an embodiment of the present utility model;
Fig. 2 is a side cross-sectional view of a visual presentation of sound amplitude and frequency in accordance with an embodiment of the present utility model.
[ Reference numerals ]
1. A turntable mirror; 2. a laser; 3. a sound source; 4. a rocking handle; 5. a track; 11. a turntable; 12. a polygon mirror.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the utility model, this is for illustrative purposes only and is not intended to limit the utility model to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The present utility model provides a self-classifying dry vibration mill which is described in detail below with reference to the accompanying drawings and specific examples. While the utility model has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the utility model specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It will be understood that the meanings of "on … …", "on … …" and "over … …" in this disclosure should be interpreted in the broadest sense so that "on … …" means not only "directly on" something but also includes the meaning of "on" something with intervening features or layers therebetween, and "on … …" or "over … …" means not only "on" or "over" something, but also may include its meaning of "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1-2, the application provides a visual demonstration device for sound amplitude and frequency, which comprises a demonstration table, wherein a turntable reflector 1 is arranged in the center of the table surface of the demonstration table, at least two sound-light reflecting mechanisms are arranged around the turntable reflector 1, and three sound-light reflecting mechanisms are preferably arranged in the embodiment of the application; the sound-light reflection mechanism can emit light to the turntable reflector 1 when sounding, the turntable reflector 1 can reflect the light to the imaging device, the turntable reflector 1 converts the sound amplitude emitted by the sound-light reflection mechanism into jumping light, and the imaging device is used for displaying the jumping light so as to visually demonstrate the vibration condition of sound waves generated by a sound source.
The acousto-optic reflection mechanism comprises sound sources 3 and lasers 2, the number of the lasers 2 is equal to that of the sound sources 3, the lasers 2 and the sound sources 3 are respectively and correspondingly arranged, and the lasers 2 and the sound sources 3 in each acousto-optic reflection mechanism can ensure that laser energy emitted by the lasers 2 is emitted to the sound sources 3. The lens is arranged on the sound source 3, vibration is generated when the sound source 3 sounds to drive the lens to vibrate, the started laser 2 emits laser to the vibrated lens, and the lens reflects the vibrated laser to the turntable reflector 1.
The laser 2 in each acousto-optic reflecting mechanism emits laser light with different colors, and the embodiment of the application is preferably red, green and blue; the sound source 3 is provided with sound source switches, the display stand is provided with laser switches, the number of the laser switches is equal to that of the lasers 2, each laser switch is respectively corresponding to and controls each laser 2, and the three laser switches are respectively corresponding to and controls the opening and closing of the lasers 2 in the three acousto-optic reflection mechanisms. A main switch and a scram switch are also arranged on the display stand, the main switch is electrically connected with all the lasers 2, and the main switch simultaneously controls the on-off of all the lasers 2; the emergency stop switch is electrically connected with all the lasers 2 and all the sound sources 3, and the emergency stop switch simultaneously controls the opening and closing of all the lasers 2 and all the sound sources 3.
A rocking handle 4 is arranged on the display table, the rocking handle 4 is in transmission connection with the turntable reflecting mirror 1 through a crawler belt 5, and the rocking handle 4 is rocked to drive the turntable reflecting mirror 1 to rotate; the turntable reflector 1 comprises a turntable 11 and a polygon mirror 12, the polygon mirror 12 is arranged on the turntable 11, and the rocking handle 4 controls the turntable 11 to rotate and drives the polygon mirror 12 to rotate, wherein the number of the surfaces of the mirror in the polygon mirror 12 is two. The turntable 11 is provided with a groove for installing the polygon mirror 12, and the polygon mirror 12 in the embodiment of the application can be replaced in real time, and specifically can be a double-sided mirror, a four-sided mirror, a six-sided mirror and an octahedral mirror.
The tail end transmission of rocking handle 4 connects the driving gear, and the revolving stage 11 of revolving stage speculum 1 passes through the transmission shaft transmission and connects driven gear, passes through between driving gear and the driven gear the track 5 transmission is connected, and rocking handle 4 can drive driving gear rotation promptly, and driving gear passes through track 5 and drives driven gear rotation, and driven gear passes through the transmission shaft and drives revolving stage 11 synchronous rotation.
The imaging device is a smooth and flat plane, the imaging device is preferably a curtain or a wall surface, the turntable reflecting mirror 1 reflects the vibrating laser to the curtain or the wall surface, and the curtain or the wall surface displays the vibration condition of the vibrating laser.
The specific working flow of the utility model is as follows:
The lens is stuck on the outer surface of the sound source 3, the sound source 3 switch is turned on to sound and vibrate so as to drive the lens to vibrate, the laser 2 is turned on to emit laser to the lens, the lens reflects the laser, and the vibration of sound is converted into the vibration of laser rays in the process; according to the demonstration requirement, a two/four/six/octahedral mirror is placed on the turntable 11, the rotatable turntable reflector 1 is utilized to secondarily reflect laser to the wall surface or curtain, and the vibration waveform is observed by means of the persistence of vision, so that the comparison demonstration and brief analysis of the characteristics of the pitch, the frequency and the like of the sound vibration waveform are carried out.
The rocking handle 4 is rotated, the turntable 11 is driven to rotate through the transmission of the crawler belt 5, the waveform shown by sound vibration can be visually demonstrated, and the waveform flicker frequency can be adjusted by adjusting the rotation speed of the turntable 11. The other two groups of sound sources 3 and lasers 2 are turned on in the same way, and the laser reflection positions are adjusted, so that three groups of laser waveforms of different sound sources can be simultaneously demonstrated.
The utility model has the technical effects that scientific education demonstration is carried out through visual, clear and accurate experimental phenomena, the aim of contrast display is achieved through simultaneous working of 1-3 sound sources, and the operation is simple and convenient and easy to implement; the turntable reflector can visually demonstrate the waveform of sound vibration generated by sound waves, and the turntable reflector can visually demonstrate and adjust the flicker frequency of the waveform; the utility model utilizes effective and reasonable space arrangement to integrate the sound source, the reflecting device and the laser into a whole, and utilizes the mechanical transmission device to form a scientific device with simple structure and visual interaction, can simultaneously carry out demonstration and comparison experiments, and is convenient to carry; the utility model has the advantages of small specific quantity, large display range, high safety, stable effect and vivid phenomenon, and is suitable for indoor large-space display.
The utility model is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the utility model. In the following description of preferred embodiments of the utility model, specific details are set forth in order to provide a thorough understanding of the utility model, and the utility model will be fully understood to those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present utility model.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The utility model provides a visual presentation device of sound amplitude and frequency, its characterized in that includes the revolving stage speculum, be equipped with two at least acousto-optic reflection mechanisms around the revolving stage speculum, the sound production of acousto-optic reflection mechanism is simultaneously the emission light extremely the revolving stage speculum, the revolving stage speculum is with light reflection to image device, the revolving stage speculum will the sound amplitude that the acousto-optic reflection mechanism sent changes the light that beats into, image device is used for showing the light that beats.
2. The visual demonstration device for sound amplitude and frequency according to claim 1, wherein the sound-light reflection mechanism comprises sound sources and lasers, the number of the lasers is equal to that of the sound sources, and the lasers and the sound sources are respectively and correspondingly arranged.
3. The visual demonstration device for sound amplitude and frequency according to claim 2, further comprising a demonstration table, wherein the turntable reflecting mirror and the sound-light reflecting mechanism are mounted on the demonstration table, a rocking handle is arranged on the demonstration table, the rocking handle is connected with the turntable reflecting mirror through crawler transmission, and the rocking handle is rocked to drive the turntable reflecting mirror to rotate.
4. The visual presentation device of claim 2, wherein there are three of said acousto-optic reflecting mechanisms, each of said acousto-optic reflecting mechanisms emitting a different color of laser light.
5. The visual demonstration device of sound amplitude and frequency according to claim 3, wherein a sound source switch is arranged on the sound source, the laser switches are arranged on the demonstration table, the number of the laser switches is equal to that of the lasers, and each laser switch is used for controlling each laser correspondingly.
6. The visual demonstration device of sound amplitude and frequency according to claim 5, wherein a main switch and a scram switch are further arranged on the demonstration table, the main switch is electrically connected with all the lasers, and the main switch controls the on-off of all the lasers simultaneously; the emergency stop switch is electrically connected with all the lasers and all the sound sources, and the emergency stop switch simultaneously controls the opening and closing of all the lasers and all the sound sources.
7. The visual demonstration device for sound amplitude and frequency according to claim 3, wherein the rotary table reflecting mirror comprises a rotary table and a polygon mirror, the polygon mirror is mounted on the rotary table, the rocking handle controls the rotary table to rotate and drives the polygon mirror to rotate, and the number of the surfaces of the mirror in the polygon mirror is two.
8. The visual demonstration device for sound amplitude and frequency according to claim 7, wherein the tail end of the rocking handle is in transmission connection with a driving gear, the rotary table is in transmission connection with a driven gear through a transmission shaft, and the driving gear and the driven gear are in transmission connection through the crawler belt.
9. The visual demonstration device for sound amplitude and frequency according to claim 2, wherein a lens is arranged on the sound source, the lens is driven to vibrate when the sound source sounds, the laser is started to emit laser to the vibrated lens, and the lens reflects the vibrated laser to the turntable reflecting mirror.
10. The visual presentation device of claim 9, wherein the imaging device is a curtain or wall, the turntable mirror reflects the vibrating laser light to the curtain or wall, and the curtain or wall displays the vibration of the vibrating laser light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322841357.XU CN221101552U (en) | 2023-10-23 | 2023-10-23 | Visual presentation device of sound amplitude and frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322841357.XU CN221101552U (en) | 2023-10-23 | 2023-10-23 | Visual presentation device of sound amplitude and frequency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221101552U true CN221101552U (en) | 2024-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322841357.XU Active CN221101552U (en) | 2023-10-23 | 2023-10-23 | Visual presentation device of sound amplitude and frequency |
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| Country | Link |
|---|---|
| CN (1) | CN221101552U (en) |
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2023
- 2023-10-23 CN CN202322841357.XU patent/CN221101552U/en active Active
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