CN206331789U - One kind orientation interference guard sound-producing device - Google Patents
One kind orientation interference guard sound-producing device Download PDFInfo
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- CN206331789U CN206331789U CN201621327643.8U CN201621327643U CN206331789U CN 206331789 U CN206331789 U CN 206331789U CN 201621327643 U CN201621327643 U CN 201621327643U CN 206331789 U CN206331789 U CN 206331789U
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- ultrasonic wave
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Abstract
Interference guard sound-producing device is oriented the utility model discloses one kind, including module, modulation module, audio emission module occur for audio-frequency module, ultrasonic wave；The first input end connection of the input incoming audio signal of audio-frequency module, its output end and modulation module；Module output end occurs for ultrasonic wave and the second input of modulation module is connected；The output end of modulation module connects the audio emission module；The surface of emission of audio emission module is into umbrella.The audio-frequency module input can connect audio storage equipment or sound pick-up outfit.Module, which occurs, for the ultrasonic wave includes generating unit and power adjustment unit.Using the utility model example, the straightline propagation distance of sound and the propagation sectional area of sound can adjust so that the orientation intent propagation of sound is more flexible, it is to avoid other people in the same environment of interference, be conducive to the confidentiality of information, specific aim.
Description
Technical field
The utility model is related to sound-producing device technical field, more particularly to a kind of orientation interference guard sound-producing device.
Background technology
Interference guard sound-producing device is oriented, sound can be directionally sent to user, while avoiding disturbing in same environment
Other people, be particluarly suitable for public space and use.As shown in figure 1, it is a kind of orientation interference guard alarm clock of prior art, including
Sound guidance cylinder, be arranged on sound guidance cylinder end concave mirror, be arranged on sound guidance cylinder roof on suspension, be arranged on it is outstanding
The time set of frame end, the loudspeaker being connected on time set, be arranged on sound guidance cylinder above time display screen and
Key is set, the loudspeaker, time display screen and setting key are connected by wire with the time set, the loudspeaker position
In the focus of the concave mirror.The prior art is the principle of reflection for the reflection characteristic and sound wave for utilizing concave mirror, will be located at recessed
The parallel sound wave of orientation is formed after alarm clock sound source reflection at the mirror foci of face, remaining non-parallel sound wave without concave mirror is then
It can be weakened by the inwall of sound guidance cylinder, so that user is directionally sent to, while without interference with other people.
But, the flexibility of the prior art and expansibility are poor, may be only available for alarm clock, secondly described fixed
To the inwall of the sound guidance cylinder of interference guard alarm clock, due to the finiteness using material, it can not fully absorb anti-without concave mirror
The non-parallel sound wave penetrated, that is, do not ensure that sound will not penetrate sound guidance pipe, still results in sound leakage, bothers it
Other people.
The content of the invention
Technical problem to be solved in the utility model is to orient interference guard sound-producing device there is provided one kind, orients sound
The function of propagation is more flexible, while preferably avoiding to other people interference in same environment.
In order to achieve the above object, a kind of orientation interference guard sound-producing device that the utility model embodiment is provided uses following skill
Art scheme：Occur module, modulation module and audio emission module including audio-frequency module, ultrasonic wave；Wherein, the modulation module
Including first input end, the second input and output end, the first input end of the modulation module is defeated with the audio-frequency module
Go out end connection, the second input of the modulation module is connected with the output end that module occurs for the ultrasonic wave, the modulation mould
The output end of block connects the audio emission module.
Compared with prior art, a kind of orientation interference guard sound-producing device that the utility model embodiment is provided passes through the audio
Module is produced or transmission needs to orient the audio signal for sending destination object to；Occur module by the ultrasonic wave and produce work
For the carrier wave of the audio signal；The audio signal is loaded on the ultrasonic signal by the modulation module, obtained
Audio signal after to modulation；Finally by audio emission module by the audio emission after the modulation to destination object.Solve
Existing orientation interference guard sound-producing device application limitation and the technical problem of sound leakage, so that sound orientation is better achieved
Communication function, and avoid influenceing other people in same environment, it can be widely applied to voice directional spreading and interference guard field.
Further, the audio emission module includes the retractable umbrella surface of emission.
As the improvement project of above-described embodiment, a kind of interference guard sound-producing device that orients that the present embodiment is provided is by audio emission
The surface of emission of module is set to the retractable umbrella surface of emission, and the propagation of sound is adjusted by adjusting the folding of the umbrella surface of emission
Sectional area, can not only make the orientation intent propagation of sound more flexible, and can avoid disturbing other people in same environment,
Be conducive to the confidentiality of information, specific aim.
Further, the audio-frequency module also includes the input for being used to connect audio storage equipment or sound pick-up outfit.
A kind of audio-frequency module of the orientation interference guard sound-producing device provided as the improvement project of above-described embodiment, the present embodiment
Can be with external audio frequency storage device, sound pick-up outfit etc., with expansibility.
Further, the input of the audio-frequency module is USB interface.
Further, module, which occurs, for the ultrasonic wave includes generating unit and the power being connected with generating unit tune
Save unit.
As the improvement project of above-described embodiment, a kind of ultrasonic wave for orientation interference guard sound-producing device that the present embodiment is provided
Generation module also includes power adjustment unit, and the power of the ultrasonic wave of generating unit generation is adjusted by power adjustment unit,
So as to realize the straightline propagation distance of regulation sound.
Brief description of the drawings
Fig. 1 is a kind of sectional structure chart for orienting interference guard alarm clock of prior art；
Fig. 2 is a kind of function structure chart for orientation interference guard sound-producing device that the utility model embodiment is provided；
A kind of workflow diagram for orientation interference guard sound-producing device that Fig. 3 the utility model embodiment is provided.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, a kind of orientation provided the utility model embodiment is anti-
The technical scheme for disturbing sound-producing device is clearly and completely described.
Referring to Fig. 2, it is a kind of function structure chart for orientation interference guard sound-producing device that the utility model embodiment is provided,
Occur module 2, modulation module 3 and audio emission module 4 including audio-frequency module 1, ultrasonic wave.Wherein, the modulation module 3 is wrapped
First input end, the second input and output end are included, the first input end of the modulation module 3 is defeated with the audio-frequency module 1
Go out end connection, the second input of the modulation module 3 is connected with the output end that module 2 occurs for the ultrasonic wave, the modulation
The output end of module 3 connects the audio emission module 4.
The audio-frequency module 1 is used to producing or transmitting audio signal；The ultrasonic wave occurs module 2 and is used as sound for producing
The ultrasonic signal of frequency signal carrier；The modulation module 3 receives the audio signal, ultrasonic signal respectively, and will be described
Audio signal is loaded on the ultrasonic signal, so that the audio signal after being modulated；The audio emission module 4 is used for
Audio signal after the modulation is transmitted to destination object.A kind of orientation interference guard sound-producing device that the present embodiment is provided is employed
Ultrasonic wave as audio signal carrier wave because ultrasonic wave as laser have direction propagation function, and be easily obtained compared with
The acoustic energy of concentration, can realize the orientation intent propagation of sound as carrier wave.
Preferably, the audio emission module 4 includes the retractable umbrella surface of emission.By adjusting the transmitter module
The folding of the umbrella surface of emission determines the propagation sectional area of sound.
Preferably, the audio-frequency module 1 also includes the input for being used to connect audio storage equipment or sound pick-up outfit 7.
Preferably, the input of the audio-frequency module 1 is USB interface.The audio-frequency module 1 can pass through the interfaces such as USB
Connecting mobile phone, USB flash disk etc. has the sound pick-up outfits such as audio storage equipment, or microphone.
Preferably, module 2, which occurs, for the ultrasonic wave includes generating unit 5 and the power being connected with generating unit tune
Save unit 6.The generating unit 5 is used to produce initial ultrasound ripple signal, and the power adjustment unit 6 is used to adjust described initial
The power of ultrasonic signal, so as to obtain the ultrasonic wave of certain power, the straight of sound is determined by adjusting the power of ultrasonic wave
Line propagation distance.Ultrasonic wave can gradually decay during air borne, be left useful audio-frequency information, thus adjustment ultrasonic wave
Power can with so that adjust the effective propagation distance of ultrasonic wave.
Below in conjunction with the special case in the utility model embodiment, a kind of orientation provided the utility model embodiment is anti-
The technical scheme for disturbing sound-producing device is further described.
Orientation interference guard alarm clock special case is chosen herein the utility model is described, comprising the special case but be not limited to the spy
Example, similar embodiment is all within protection domain of the present utility model.
Referring to Fig. 3, it is a kind of workflow diagram for orientation interference guard sound-producing device that the utility model embodiment is provided.
Upon start, audio-frequency module 1, which is produced, needs to orient the audio signal for sending destination object to, or receives external audio storage
The audio signal that equipment or sound pick-up outfit 7 are sent, and the audio signal is exported to modulation module 3.At the same time, ultrasonic wave is sent out
Generating unit 5 in raw module 2 produces initial ultrasound ripple signal, and the initial ultrasound ripple signal is sent into ultrasonic wave
Power adjustment unit 6 in module 2, power adjustment unit 6 obtains certain power after carrying out power adjusting to initial ultrasound ripple
Ultrasonic wave, then ultrasonic wave occur module 2 send the ultrasonic signal after regulation to modulation module 3.Modulation module 3 will be received
To audio signal be loaded on the ultrasonic signal received so that the audio signal after being modulated, and by after modulation
Audio signal is sent to audio emission module 4.The umbrella surface of emission for the folding size that audio emission module 4 is set according to user will
Audio signal after the modulation received is transmitted to destination object, so as to realize the direction propagation of sound.
In this orientation interference guard alarm clock special case, mobile phone can be connected to this reality by user by the USB interface of audio-frequency module 1
With a kind of orientation interference guard sound-producing device of new offer, external speaker of the present apparatus equivalent to mobile phone.Alarm clock is adjusted, this is fixed
User is pointed to the audio emission module 4 of interference guard sound-producing device.When timing time terminates, alarm clock audio is sent to sound by mobile phone
Frequency module 1, ultrasonic wave occurs module 2 and produces suitable ultrasonic wave, the ultrasonic wave that modulation module 3 produces ultrasonic wave sending module 2
And the alarm clock voice modulation after the processing of audio-frequency module 1 is transmitted to user to audio emission module 4 together, is passed to.
In summary, a kind of orientation interference guard sound-producing device of the present utility model, employs ultrasonic wave as audio signal
Carrier wave, make use of the characteristics such as directionality, the centrality of ultrasonic wave, and the straight-line transmitting of sound is adjusted by adjusting the power of ultrasonic wave
Distance is broadcast, the propagation sectional area of sound is adjusted by adjusting the folding of the umbrella surface of emission, neatly can not only be determined sound
Destination object is sent to ground, and can avoid disturbing other people in same environment, is conducive to the confidentiality of information, for
Property.In addition, orientation interference guard sound-producing device described in the utility model can be with external audio frequency storage device, sound pick-up outfit etc., with can
Expansion.
It the above is only a kind of preferred embodiment for orienting interference guard sound-producing device of the utility model, it is noted that on
Preferred embodiment is stated to be not construed as to limitation of the present utility model.Protection domain of the present utility model should be with claim institute
The scope of restriction is defined.For those skilled in the art, spirit of the present utility model and model are not being departed from
In enclosing, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (5)
1. one kind orientation interference guard sound-producing device, it is characterised in that：Including audio-frequency module, ultrasonic wave occur module, modulation module with
And audio emission module；Wherein, the modulation module includes first input end, the second input and output end, the modulation mould
The first input end of block is connected with the output end of the audio-frequency module, the second input and the ultrasonic wave of the modulation module
Occurs the output end connection of module, the output end of the modulation module connects the audio emission module.
2. a kind of orientation interference guard sound-producing device as claimed in claim 1, it is characterised in that：The audio emission module includes can
The umbrella surface of emission of folding.
3. a kind of orientation interference guard sound-producing device as claimed in claim 2, it is characterised in that：The audio-frequency module also includes being used for
Connect the input of audio storage equipment or sound pick-up outfit.
4. a kind of orientation interference guard sound-producing device as claimed in claim 3, it is characterised in that：The input of the audio-frequency module is
USB interface.
5. a kind of orientation interference guard sound-producing device as claimed in claim 1, it is characterised in that：Module, which occurs, for the ultrasonic wave includes
Generating unit and the power adjustment unit being connected with the generating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327643.8U CN206331789U (en) | 2016-12-06 | 2016-12-06 | One kind orientation interference guard sound-producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621327643.8U CN206331789U (en) | 2016-12-06 | 2016-12-06 | One kind orientation interference guard sound-producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331789U true CN206331789U (en) | 2017-07-14 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621327643.8U Expired - Fee Related CN206331789U (en) | 2016-12-06 | 2016-12-06 | One kind orientation interference guard sound-producing device |
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| CN (1) | CN206331789U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107371096A (en) * | 2017-08-28 | 2017-11-21 | 深圳传音通讯有限公司 | The method that orientation broadcast loudspeaker and orientation play audio |
| CN109393664A (en) * | 2018-11-07 | 2019-03-01 | 歌尔科技有限公司 | A kind of bracelet and noise-reduction method with decrease of noise functions |
| CN110070696A (en) * | 2019-06-03 | 2019-07-30 | 杭州聚声科技有限公司 | A kind of acoustic safety fence system |
| CN110070709A (en) * | 2019-05-29 | 2019-07-30 | 杭州聚声科技有限公司 | A kind of pedestrian's street crossing orientation speech prompting system and its method |
| CN110619895A (en) * | 2019-09-06 | 2019-12-27 | Oppo广东移动通信有限公司 | Directional sound production control method and device, sound production equipment, medium and electronic equipment |
-
2016
- 2016-12-06 CN CN201621327643.8U patent/CN206331789U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107371096A (en) * | 2017-08-28 | 2017-11-21 | 深圳传音通讯有限公司 | The method that orientation broadcast loudspeaker and orientation play audio |
| CN109393664A (en) * | 2018-11-07 | 2019-03-01 | 歌尔科技有限公司 | A kind of bracelet and noise-reduction method with decrease of noise functions |
| CN110070709A (en) * | 2019-05-29 | 2019-07-30 | 杭州聚声科技有限公司 | A kind of pedestrian's street crossing orientation speech prompting system and its method |
| CN110070709B (en) * | 2019-05-29 | 2023-10-27 | 杭州聚声科技有限公司 | Pedestrian crossing directional voice prompt system and method thereof |
| CN110070696A (en) * | 2019-06-03 | 2019-07-30 | 杭州聚声科技有限公司 | A kind of acoustic safety fence system |
| CN110619895A (en) * | 2019-09-06 | 2019-12-27 | Oppo广东移动通信有限公司 | Directional sound production control method and device, sound production equipment, medium and electronic equipment |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20201206 |