CN204408601U - A kind of sound wave amplifying device - Google Patents
A kind of sound wave amplifying device Download PDFInfo
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- CN204408601U CN204408601U CN201420843238.6U CN201420843238U CN204408601U CN 204408601 U CN204408601 U CN 204408601U CN 201420843238 U CN201420843238 U CN 201420843238U CN 204408601 U CN204408601 U CN 204408601U
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- input transducer
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Abstract
The utility model provides a kind of sound wave amplifying device, it comprises the input transducer, amplifier and the output transducer that are linked in sequence, and the power supply be connected with described amplifier and described output transducer respectively, it also comprises a frame, described input transducer, described amplifier, described output transducer and described power supply are fixedly installed in described frame, and the both sides of described frame arrange a Handheld Division respectively; Described input transducer also arranges an acoustic receiver, and described acoustic receiver comprises a metal pot cover, it is arranged one deck preservative film, and above described preservative film, interval arranges some adhesive tape layers; Described frame also arranges at least one fan on described input transducer side, and its blowing mouth is towards the receive direction of described acoustic receiver; Fan described in each arranges one and enters air channel, described in enter air channel air inlet arrange away from described input transducer; Thus sound enlarging function can be applied to on-the-spot many people's teaching, adapt to noisy teaching environment.
Description
Technical field
The present invention relates to the sound wave amplifying device in sound wave teaching demonstration, in particular, a kind of sound wave amplifying device.
Background technology
The propagation of vibration in air or other materials of sounding body is called sound wave.Sound wave is to all the winds propagated by various medium.Sound wave is a kind of compressional wave, is the pressure vibration propagated in elastic fluid.But when propagating in solids, also can there be compressional wave and shear wave simultaneously.
In teaching, sound wave is more interesting, and it be cannot see and can not touch, but can be changed by acoustic energy, and student is become interested.Such as adopt existing product that acoustic energy is converted to electric energy.
The typical apply that sound wave amplifies is hearing aids (Hearing Aid), and it is one and contributes to hearing disabilities person and improve dysacousis, and then improves and the instrument of his conference communicative competence, unit and instrument etc.Allly in a broad sense effectively sound can be amplified the various devices importing ear into and can see hearing aids as, say that hearing aids is exactly an electroacoustic amplifier in the narrow sense, deaf person is heard sound amplification by it originally to can not hear clearly, unheard sound, this device is exactly hearing aids.Hearing aids today is mainly divided into simulation hearing aids and digital deaf-aid two kinds.Wherein simulation hearing aids is the hearing loss curve shape regardless of patient, carry out unified amplification, and digital deaf-aid compensates accurately according to the hearing loss curve shape of patient to sound.Because the residual hearing protected effect of digital deaf-aid to the compensation effect of hearing and patient all comparatively will simulate hearing aids better, so the main product sold in Present Domestic market is based on digital deaf-aid.Hearing aids can be divided into ear-level hearing aid again, hearing aids from the angle of wearing position and profile, duct-type hearing aids, complete duct-type hearing aids, 100% stealthy hearing aids etc.
But how to utilize ready-made hearing aids, sound enlarging function is applied to on-the-spot many people's teaching, adapting to noisy teaching environment, is the technical issues that need to address.
Summary of the invention
The invention provides a kind of new sound wave amplifying device, technical problem to be solved how sound enlarging function is applied to on-the-spot many people's teaching, adapt to noisy teaching environment, effective placement transducer, amplifier and output transducer, Handheld Division is utilized to be convenient to move sound wave amplifying device, adopt the simply cheap metal pot cover being easy to obtain of structure to strengthen acoustic receiver, preservative film and adhesive tape layer make sound effect visual, the isolated sound wave of fan blowing, enter Duct design and avoid interference.
Technical scheme of the present invention is as follows: a kind of sound wave amplifying device, it comprises the input transducer, amplifier and the output transducer that are linked in sequence, and the power supply be connected with described amplifier and described output transducer respectively, it also comprises a frame, described input transducer, described amplifier, described output transducer and described power supply are fixedly installed in described frame, and the both sides of described frame arrange a Handheld Division respectively; Described input transducer also arranges an acoustic receiver, and described acoustic receiver comprises a metal pot cover, it is arranged one deck preservative film, and above described preservative film, interval arranges some adhesive tape layers; Described frame also arranges at least one fan on described input transducer side, and its blowing mouth is towards the receive direction of described acoustic receiver; Fan described in each arranges one and enters air channel, described in enter air channel air inlet arrange away from described input transducer.Like this, the materials such as metal pot cover, preservative film and adhesive tape layer easily obtain, and be applicable to very much classroom instruction and use, and when pot cover is larger when preservative film is less, can also be stitched together preservative film use easily, convenient and swift.
Preferably, described adhesive tape layer comprises the metal break flour that some Breadth Maximums are less than 0.1 millimeter, for reflective.
Preferably, described metal break flour comprises the metal microspheres that particle diameter is less than 0.05 millimeter.
Preferably, described metal break flour also comprises the metal tetrahedra that Breadth Maximum is less than 0.05 millimeter.
Preferably, described output transducer comprises loudspeaker.
Preferably, described output transducer also arranges the volume control circuit be connected with described loudspeaker, described power supply respectively.
Preferably, described input transducer comprises microphone.
Preferably, described input transducer also arranges the magnetic induction loop be connected with described microphone, described power supply respectively.
Preferably, described frame arranges one without blade fan in described input transducer front.
Preferably, describedly described input transducer is walked around without entering air channel described in blade fan.
Implement the present invention, there is following beneficial effect: sound enlarging function is applied to on-the-spot many people's teaching, be adapted to noisy teaching environment, effectively can place transducer, amplifier and output transducer, Handheld Division can also be utilized to be convenient to move sound wave amplifying device, and, the simply cheap metal pot cover being easy to obtain of structure is adopted to strengthen acoustic receiver, preservative film and adhesive tape layer make sound effect visual, the effect of the isolated sound wave of fan blowing demonstration can also be utilized, and the design entering air channel avoids the interference to metal pot cover and preservative film, metal pot cover, the materials such as preservative film and adhesive tape layer easily obtain, be applicable to very much classroom instruction to use.
Accompanying drawing explanation
Fig. 1 is the overall schematic of one embodiment of the invention;
Fig. 2 is the metal pot cover schematic diagram of another embodiment of the present invention;
Fig. 3 is metal pot cover and the preservative film schematic diagram of another embodiment of the present invention;
Fig. 4 is the schematic diagram of another angle of Fig. 3;
Fig. 5 is metal pot cover and the fan schematic diagram of another embodiment of the present invention.
Embodiment
For better the object, technical solutions and advantages of the present invention being described, below in conjunction with the drawings and specific embodiments, the invention will be further described.
One embodiment of the present of invention are, a kind of sound wave amplifying device, it comprises the input transducer, amplifier and the output transducer that are linked in sequence, and the power supply be connected with described amplifier and described output transducer respectively, preferably, input transducer comprises microphone etc., and it receives sound and is converted into electric wave form, namely acoustic energy is converted into electric energy, reaches amplifier; Amplifier amplification signal, such as amplifier is transistor amplifying circuit, then reaches output transducer; Preferably, output transducer comprises loudspeaker etc., and its transform electrical signals is acoustical signal, is namely acoustic energy electric energy conversion.Preferably, output transducer comprises loudspeaker and earphone, such as wireless headset.
In order to effectively place transducer, amplifier and output transducer, described sound wave amplifying device also comprises a frame, described input transducer, described amplifier, described output transducer and described power supply are fixedly installed in described frame, for ease of carrying described frame, the both sides of described frame arrange a Handheld Division respectively; Described input transducer also arranges an acoustic receiver, and described acoustic receiver comprises a metal pot cover, it is arranged one deck preservative film, and above described preservative film, interval arranges some adhesive tape layers; Dry to utilize fan and demonstrate the effect of isolated sound wave, described frame also arranges at least one fan on described input transducer side, and its blowing mouth is towards the receive direction of described acoustic receiver; In order to avoid the interference to metal pot cover and preservative film, fan described in each arranges one and enters air channel, described in enter air channel air inlet arrange away from described input transducer.Preferably, described in enter air channel and comprise soft wave pipe, be easy to adjustment.
For the ease of exporting the sound wave receiving and obtain, preferably, described output transducer comprises loudspeaker.Preferably, described output transducer also arranges the volume control circuit be connected with described loudspeaker, described power supply respectively.Like this, the volume of sound can be controlled, suppress noise or the sound that screams.
As shown in Figure 1, one embodiment of the present of invention are, a kind of sound wave amplifying device, it comprises the input transducer 200 be linked in sequence, amplifier 300 and output transducer 500, and the power supply 400 be connected with described amplifier and described output transducer respectively, it also comprises a frame 100, described input transducer, described amplifier, described output transducer and described power supply are fixedly installed in described frame, such as, described amplifier 300 is fixedly installed on described power supply 400, described power supply 400 is fixedly installed in described frame 100, the both sides of described frame arrange a Handheld Division respectively, comprise the first Handheld Division 110 and the second Handheld Division 120, for carrying described frame.For the ease of mobile described frame, preferably, described frame also arranges some pulleys, passing described frame, transporting teaching aid to facilitate teacher for sliding.For the ease of fixedly mounting described fan, preferably, described frame also arranges some adjutages, and described adjutage pivot joint is arranged at described frame, and it arranges installation position, for installing described fan; Fan described in adjutage fixed installation one described in each; Air channel is entered for the ease of what fixedly mount described fan, preferably, described adjutage also arranges some fixed bits, air channel is entered described in fixedly mounting, preferably, described in enter air channel bending arrange, its air inlet is arranged at the rear of described metal pot cover, like this, the impact for preservative film that may exist or interference is completely eliminated.Preferably, described fan is arranged at the front of described metal pot cover and described preservative film, described in enter air channel air inlet be arranged at the rear of described metal pot cover and described preservative film.
Described input transducer also arranges an acoustic receiver, and as shown in Figure 2, described acoustic receiver comprises a metal pot cover 210, as shown in Figure 3, metal pot cover 210 is arranged one deck preservative film 220, and above described preservative film, interval arranges some adhesive tape layers 221; In order to obtain better observing effect, preferably, as shown in Figure 3 and Figure 4, the oblique setting of described adhesive tape layer; Preferably, as shown in Figure 3 and Figure 4, the different setting of the width of adhesive tape layer described at least two; Preferably, the different setting of width of each described adhesive tape layer.Preferably, described input transducer comprises microphone.Preferably, described input transducer also arranges the magnetic induction loop be connected with described microphone, described power supply respectively.Such as, described input transducer comprises metal pot cover and microphone.
In order to obtain better reflective observing effect, preferably, described adhesive tape layer comprises the metal break flour that some Breadth Maximums are less than 0.1 millimeter, for reflective.In order to obtain better reflective scintilltion observation effect, preferably, described metal break flour comprises the metal microspheres that particle diameter is less than 0.05 millimeter.In order to obtain better reflective scintilltion observation effect, scatter to all directions by shaking cause reflective, preferably, described metal break flour also comprises the metal tetrahedra that Breadth Maximum is less than 0.05 millimeter.In order to obtain better reflective scintilltion observation effect, such as, described tetrahedron is positive tetrahedron.In order to obtain better reflective scintilltion observation effect, scatter to all directions by shaking cause reflective, preferably, described metal break flour also comprises the metal cylinder that Breadth Maximum is less than 0.05 millimeter.Like this, even the student sat in the back row, also can observe the reflective flicker effect that acoustic wave vibrations causes easily, be particularly suitable for teaching demonstration.
Described frame also arranges at least one fan on described input transducer side, and its blowing mouth is towards the receive direction of described acoustic receiver; Fan described in each arranges one and enters air channel, described in enter air channel air inlet arrange away from described input transducer.As shown in Figure 5, also arrange four fans on described metal pot cover side, its blowing mouth is towards the receive direction of described acoustic receiver, and the blowing direction of such as blowing mouth is perpendicular to described preservative film; As shown in Figure 5, the first fan 231, second fan 232, three fan 233 and the 4th fan 234 are also set on described metal pot cover 210 side; Arrange first enters air channel 241 to first fan 231 below, and the described first air inlet A1 entering air channel 241 is arranged away from described metal pot cover 210; Arrange second enters air channel 242 to second fan 232 below, and the described second air inlet A2 entering air channel 242 is arranged away from described metal pot cover 210; Arrange the 3rd enters air channel 243 to three fan 233 below, and the described 3rd air inlet A3 entering air channel 243 is arranged away from described metal pot cover 210; Arrange the 4th enters air channel 244 to 4th fan 234 below, and the described 4th air inlet A4 entering air channel 244 is arranged away from described metal pot cover 210; Like this, the effect of the isolated sound wave of fan blowing demonstration can be utilized, and the design entering air channel avoids the interference to metal pot cover and preservative film.In order to simplified structure, preferably, described frame arranges one without blade fan in described input transducer front.Preferably, describedly described input transducer is walked around without entering air channel described in blade fan.Without the design of blade fan, the fail safe of teaching demonstration can be strengthened, avoid the flabellum of conventional fan to come off.
Finally to should be noted that; above disclosedly be only present pre-ferred embodiments; the interest field of the present invention can not be limited with this; above embodiment is only in order to illustrate technical scheme of the present invention but not limiting the scope of the invention; although be explained in detail the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement; and do not depart from essence and the scope of technical solution of the present invention, still belong to the scope that the present invention is contained.
Claims (10)
1. a sound wave amplifying device, it comprises the input transducer, amplifier and the output transducer that are linked in sequence, and the power supply be connected with described amplifier and described output transducer respectively, it is characterized in that,
Also comprise a frame, described input transducer, described amplifier, described output transducer and described power supply are fixedly installed in described frame, and the both sides of described frame arrange a Handheld Division respectively;
Described input transducer also arranges an acoustic receiver, and described acoustic receiver comprises a metal pot cover, it is arranged one deck preservative film, and above described preservative film, interval arranges some adhesive tape layers;
Described frame also arranges at least one fan on described input transducer side, and its blowing mouth is towards the receive direction of described acoustic receiver;
Fan described in each arranges one and enters air channel, described in enter air channel air inlet arrange away from described input transducer.
2. sound wave amplifying device according to claim 1, it is characterized in that, described adhesive tape layer comprises the metal break flour that some Breadth Maximums are less than 0.1 millimeter, for reflective.
3. sound wave amplifying device according to claim 2, it is characterized in that, described metal break flour comprises the metal microspheres that particle diameter is less than 0.05 millimeter.
4. sound wave amplifying device according to claim 3, it is characterized in that, described metal break flour also comprises the metal tetrahedra that Breadth Maximum is less than 0.05 millimeter.
5. sound wave amplifying device according to claim 1, it is characterized in that, described output transducer comprises loudspeaker.
6. sound wave amplifying device according to claim 5, it is characterized in that, described output transducer also arranges the volume control circuit be connected with described loudspeaker, described power supply respectively.
7. sound wave amplifying device according to claim 1, it is characterized in that, described input transducer comprises microphone.
8. sound wave amplifying device according to claim 7, it is characterized in that, described input transducer also arranges the magnetic induction loop be connected with described microphone, described power supply respectively.
9. sound wave amplifying device according to claim 1, it is characterized in that, described frame arranges one without blade fan in described input transducer front.
10. sound wave amplifying device according to claim 9, is characterized in that, describedly walks around described input transducer without entering air channel described in blade fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843238.6U CN204408601U (en) | 2014-12-25 | 2014-12-25 | A kind of sound wave amplifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843238.6U CN204408601U (en) | 2014-12-25 | 2014-12-25 | A kind of sound wave amplifying device |
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| Publication Number | Publication Date |
|---|---|
| CN204408601U true CN204408601U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420843238.6U Withdrawn - After Issue CN204408601U (en) | 2014-12-25 | 2014-12-25 | A kind of sound wave amplifying device |
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| Country | Link |
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| CN (1) | CN204408601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581504A (en) * | 2014-12-25 | 2015-04-29 | 惠州学院 | Acoustic-wave amplification device |
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2014
- 2014-12-25 CN CN201420843238.6U patent/CN204408601U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581504A (en) * | 2014-12-25 | 2015-04-29 | 惠州学院 | Acoustic-wave amplification device |
| CN104581504B (en) * | 2014-12-25 | 2018-08-03 | 惠州学院 | A kind of sound wave amplifying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150617 Effective date of abandoning: 20180803 |
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| AV01 | Patent right actively abandoned |