CN206894871U - A kind of external audio directional loudspeaker - Google Patents
A kind of external audio directional loudspeaker Download PDFInfo
- Publication number
- CN206894871U CN206894871U CN201720508157.4U CN201720508157U CN206894871U CN 206894871 U CN206894871 U CN 206894871U CN 201720508157 U CN201720508157 U CN 201720508157U CN 206894871 U CN206894871 U CN 206894871U
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- circuit
- external audio
- directional loudspeaker
- acoustical generator
- generator array
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- 230000005236 sound signal Effects 0.000 claims abstract description 24
- 230000003321 amplification Effects 0.000 claims abstract description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 13
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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Abstract
The utility model discloses a kind of external audio directional loudspeaker, including：AUX interface circuits, USB mode interface circuit, bluetooth mode interface circuit, WIFI mode interface circuits, audio signal processing circuit, orient acoustical generator array；The AUX interface circuits, USB mode interface circuit, bluetooth mode interface circuit, WIFI mode interfaces circuit are connected by the audio signal processing circuit with the orientation acoustical generator array；The audio signal processing circuit includes signal modulation circuit and power amplification circuit, and the signal modulation circuit is connected with the power amplification circuit input；The output end of power amplification circuit is connected with orientation acoustical generator array；The orientation acoustical generator array is at least two ultrasonic transducers, or is at least two MEMSs.Technical scheme provided by the utility model can provide a variety of connected modes, meet different user's requests, so as to improve Consumer's Experience.
Description
Technical field
The utility model belongs to loudspeaker field, more particularly to a kind of external audio directional loudspeaker.
Background technology
Traditional audio tweeter, which directly amplifies audio signal in backward surrounding air, to be propagated, and its sound field is each to space
Individual direction radiation, directive property are poor.When people play music, film by electronic equipments such as mobile phone, computers, the people of surrounding is
It can hear, it is difficult to ensure privacy.On the other hand, a kind of solution is to take earphone, another method is exactly to use audio frequency directional
Loudspeaker.And the audio directional loudspeaker of circumscribed uses more convenient in fixed-sites such as family, offices, therefore make
It is higher with frequency, it is also more popular with users.
A current circumscribed audio directional loudspeaker generally only wireline interface, when its with mobile phone, computer etc. electronics
When equipment connects, fixed connected mode can only be used.If connecting line is damaged or lost, loudspeaker cannot use, so as to
Great inconvenience is brought to user, and Consumer's Experience is poor.
Utility model content
The utility model aims to provide a kind of external audio directional loudspeaker, using the teaching of the invention it is possible to provide a variety of connected modes, meets not
Same user's request, so as to improve Consumer's Experience.
To reach above-mentioned purpose, the technical solution adopted in the utility model is as follows：
A kind of external audio directional loudspeaker, including：AUX interface circuits, USB mode interface circuit, bluetooth mode interface
Circuit, WIFI mode interface circuits, audio signal processing circuit, orient acoustical generator array；The AUX interface circuits, USB mode
Interface circuit, bluetooth mode interface circuit, WIFI mode interfaces circuit by the audio signal processing circuit with it is described fixed
Connected to acoustical generator array；The audio signal processing circuit includes signal modulation circuit and power amplification circuit, the signal
Modulation circuit is connected with the power amplification circuit input；The output end of power amplification circuit connects with orientation acoustical generator array
Connect；The orientation acoustical generator array is at least two ultrasonic transducers, or is at least two MEMSs.
Preferably, the orientation acoustical generator array is in planar arrangement, and positioned at the external audio directional loudspeaker just
Face.
Preferably, the orientation acoustical generator array rectangular array arrangement.
Preferably, the front of the external audio directional loudspeaker is round rectangle.
Preferably, the outer surface of the external audio directional loudspeaker is arranged to add to the raised and concave figures of friction.
Further, in addition to：Contact action interface, the contact action interface are located at the orientation acoustical generator array
Same plane.
Preferably, the contact action interface is located at the external audio directional loudspeaker front center position, described fixed
To acoustical generator array distribution around the contact action interface.
Further, in addition to：Wireless router.
External audio directional loudspeaker provided by the utility model, due to being respectively provided with AUX interfaces in inside loudspeakers
Circuit, USB mode interface circuit, bluetooth mode interface circuit and WIFI mode interface circuits so that loudspeaker can use
AUX, USB mode, bluetooth or WIFI are connected with electronic equipments such as mobile phone, computers, realize the variation of connected mode；Simultaneously
Audio signal processing circuit is employed, audio signal is loaded into ultrasonic signal, by orienting acoustical generator array by telecommunications
Number acoustical signal is converted to, due to the aerial nonlinear propagation effects of ultrasonic signal, is finally capable of the audible sound of output directional
Signal.The utility model can provide a variety of connected modes, meet different user's requests, so as to improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is the circuit structure block diagram of the utility model embodiment；
Fig. 2 is a kind of front view of the utility model embodiment；
Fig. 3 is another front view of the utility model embodiment；
Fig. 4 is the workflow diagram of the utility model embodiment；
Fig. 5 is the schematic diagram that the utility model is connected with mobile phone by WIFI；
Wherein, 1- orients acoustical generator, 2- contact actions interface, 3- mobile phones.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.
Fig. 1 is the circuit structure block diagram of the external audio directional loudspeaker of the utility model.The external audio directional loudspeaker,
Including：AUX interface circuits, USB mode interface circuit, bluetooth mode interface circuit, WIFI mode interface circuits, at audio signal
Circuit is managed, orients acoustical generator array；The AUX interface circuits, USB mode interface circuit, bluetooth mode interface circuit, WIFI moulds
Formula interface circuit is used to receive audio signal, and is connected by the audio signal processing circuit and the orientation acoustical generator array
Connect；The audio signal processing circuit includes signal modulation circuit and power amplification circuit, the signal modulation circuit with it is described
Power amplification circuit input connects；The output end of power amplification circuit is connected with orientation acoustical generator array；The orientation sounding
Device array is at least two ultrasonic transducers, or is at least two MEMSs.The audio signal processing circuit is by interface
The signal of circuit output carries out signal modulation and power amplification, i.e., audio signal is loaded into ultrasonic signal, further according to institute
Multiple is needed to amplify ultrasonic modulation carrier signal；Acoustical generator array is oriented to be used for the electricity after audio signal processing circuit is handled
Signal is converted to acoustical signal, audible sound wave beam of the output with directive property.
In the utility model, by audio signal processing circuit by audible sound audio signal loading into ultrasonic signal,
A series of edges are produced using the aerial nonlinear propagation effects of ultrasound, then by ultrasound transducer array or MEMS array
The end-fire virtual sound source of propagation axis distribution, these virtual sound sources are otherwise known as parametric array, and they are narrow at one by sound control
Long regional spread, and then form the audible acoustic beam for possessing high directivity.
As shown in Fig. 2 the orientation acoustical generator array in the present embodiment is in planar arrangement, using a kind of preferred scheme, in square
Shape array arrangement, and positioned at the front of loudspeaker, the front view of loudspeaker is round rectangle.By to orienting acoustical generator array
The design of planar arrangement structure, the sensing angle that can make the audible sound wave beam with directive property of output are ± 10 ° so that are raised one's voice
The output audio of device is more preferable.
As shown in figure 3, can also be in one contact action interface of loudspeaker frontal design, the contact action interface and orientation
Acoustical generator array is generally aligned in the same plane, and is located at the external audio directional loudspeaker front center position, orients acoustical generator battle array
Column distribution is around contact action interface.
Various functions can be increased according to user's request in the contact action interface, for example, can be with the company of display loudspeaker
State is connect, calendar, memorandum etc. can also be shown.In addition, in order to improve the hand-held sense of touch of loudspeaker and lift its security, also
The raised and concave figures of friction can be arranged to add in loudspeaker outer surface, the raised and concave figures can be designed to certain pattern, make
It is more attractive in appearance to obtain loudspeaker outer surface.
Fig. 4 is the workflow diagram of the external audio directional loudspeaker of the utility model.After loudspeaker is powered, to four interfaces
Circuit carries out initialization operation, and this four interface circuits are respectively that AUX interface circuits, USB mode interface circuit, bluetooth mode connect
Mouth circuit and WIFI mode interface circuits, four kinds of interface circuits are used to receive the audio signal in mobile phone, and user can select one
Kind mode connects mobile phone and loudspeaker.When loudspeaker is connected using WIFI patterns with mobile phone, can also be set in inside loudspeakers
A wireless router is put, for connecting the network signal on mobile phone, so there is no need to extra LAN, to realize
The optimization collocation of resource.After loudspeaker connects to network, user can also obtain various moneys using network according to their needs
Source.Further, it is also possible to reminding unit is set in loudspeaker, for reminding the connection status of user's current speaker and mobile phone,
When successful connection, the prompt tone of successful connection is sent；When connection failure, the prompt tone of connection failure is sent, and resets weight
New connection.
Fig. 5 is the schematic diagram that the external audio directional loudspeaker of the utility model is connected with mobile phone by WIFI.Specifically connect
The method of connecing is to install supporting external audio directional loudspeaker APP on mobile phone first, is mainly used to realize the choosing of acoustical signal
Select, loudspeaker switch control etc. function；Then the connecting valve of loudspeaker and mobile phone in APP is opened, due to being set in loudspeaker
Wireless router, the network signal that can be directly connected on mobile phone, loudspeaker with after mobile phone successful connection, you can pass through
WIFI is controlled using APP to external audio directional loudspeaker, convenient stable.
External audio directional loudspeaker provided by the utility model, due to being respectively provided with AUX interfaces in inside loudspeakers
Circuit, USB mode interface circuit, bluetooth mode interface circuit and WIFI mode interface circuits so that loudspeaker can use
AUX, USB mode, bluetooth or WIFI are connected with electronic equipments such as mobile phone, computers, realize the variation of connected mode；Simultaneously
Audio signal processing circuit is employed, audio signal is loaded into ultrasonic signal, by orienting acoustical generator array by telecommunications
Number acoustical signal is converted to, due to the aerial nonlinear propagation effects of ultrasonic signal, is finally capable of the audible sound of output directional
Signal.The utility model can provide a variety of connected modes, meet different user's requests, so as to improve Consumer's Experience.
Certainly, the utility model can also have other various embodiments, without departing substantially from the utility model spirit and its essence
In the case of, those skilled in the art can make various corresponding changes and deformation, but these phases according to the utility model
The change and deformation answered should all belong to the scope of the claims appended by the utility model.
Claims (8)
- A kind of 1. external audio directional loudspeaker, it is characterised in that including：AUX interface circuits, USB mode interface circuit, bluetooth mode interface circuit, WIFI mode interface circuits, at audio signal Circuit is managed, orients acoustical generator array；The AUX interface circuits, USB mode interface circuit, bluetooth mode interface circuit, WIFI moulds Formula interface circuit is connected by the audio signal processing circuit with the orientation acoustical generator array；The Audio Signal Processing Circuit includes signal modulation circuit and power amplification circuit, and the signal modulation circuit connects with the power amplification circuit input Connect；The output end of power amplification circuit is connected with orientation acoustical generator array；The orientation acoustical generator array is at least two ultrasounds Transducer, or be at least two MEMSs.
- 2. external audio directional loudspeaker according to claim 1, it is characterised in that the orientation acoustical generator array is in flat Face is arranged, and positioned at the front of the external audio directional loudspeaker.
- 3. external audio directional loudspeaker according to claim 2, it is characterised in that the orientation acoustical generator array is in square Shape array arrangement.
- 4. external audio directional loudspeaker according to claim 1, it is characterised in that the external audio directional loudspeaker Front be round rectangle.
- 5. external audio directional loudspeaker according to claim 1, it is characterised in that the external audio directional loudspeaker Outer surface be arranged to add to friction raised and concave figures.
- 6. external audio directional loudspeaker according to claim 2, it is characterised in that also include：Contact action interface, institute Contact action interface is stated to be generally aligned in the same plane with the orientation acoustical generator array.
- 7. external audio directional loudspeaker according to claim 6, it is characterised in that the contact action interface is located at institute External audio directional loudspeaker front center position is stated, the orientation acoustical generator array distribution is in the week at the contact action interface Enclose.
- 8. external audio directional loudspeaker according to claim 1, it is characterised in that also include：Wireless router.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508157.4U CN206894871U (en) | 2017-05-09 | 2017-05-09 | A kind of external audio directional loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720508157.4U CN206894871U (en) | 2017-05-09 | 2017-05-09 | A kind of external audio directional loudspeaker |
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| Publication Number | Publication Date |
|---|---|
| CN206894871U true CN206894871U (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720508157.4U Expired - Fee Related CN206894871U (en) | 2017-05-09 | 2017-05-09 | A kind of external audio directional loudspeaker |
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| CN (1) | CN206894871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937210A (en) * | 2017-05-09 | 2017-07-07 | 成都泰声科技有限公司 | A kind of external audio directional loudspeaker |
-
2017
- 2017-05-09 CN CN201720508157.4U patent/CN206894871U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106937210A (en) * | 2017-05-09 | 2017-07-07 | 成都泰声科技有限公司 | A kind of external audio directional loudspeaker |
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| GR01 | Patent grant | ||
| 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: 20180116 |