CN204272228U - Initiatively to eliminate the noise quiet communicator - Google Patents
Initiatively to eliminate the noise quiet communicator Download PDFInfo
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- CN204272228U CN204272228U CN201420818797.1U CN201420818797U CN204272228U CN 204272228 U CN204272228 U CN 204272228U CN 201420818797 U CN201420818797 U CN 201420818797U CN 204272228 U CN204272228 U CN 204272228U
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- noise
- quiet
- communicator
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Abstract
The utility model is applicable to sound arrester field, provide a kind of quiet communicator of initiatively eliminating the noise, comprise the cover body with cavity, be provided with in described cavity for receive sound that user sends and be converted into the signal of telecommunication microphone and for sending anti-phase sound wave with the loud speaker of the sound of offsetting described user and sending, described quiet communicator of initiatively eliminating the noise also comprises the circuit board be electrically connected with described microphone, the wireless communication module be electrical connected with described circuit board and the battery be electrical connected with described circuit board, described loud speaker and described circuit board are electrically connected.By the reflective sound wave that loud speaker sends, to offset the sound that user sends, the sound that can prevent user from sending spreads out of through cover body, realizes sound insulation, to use under quiet environment.And cover body can reduce external acoustic waves enters in the cavity of cover body, so that microphone better receives the sound that user sends, the occasion realized noise is larger is conversed.
Description
Technical field
The utility model belongs to sound arrester field, particularly relates to a kind of quiet communicator of initiatively eliminating the noise.
Background technology
In many public places or secret occasion, need the environment of keeping quite, at this moment will carry out call is can be relatively inconvenient.In the occasion that some need secret to converse, for preventing other people from monitoring, prior art looks for place's quiet environment often, extremely inconvenient.And in the occasion that some noises are larger, when call exchanges, often not easily do not hear, yet relative difficulty of conversing.
Utility model content
The purpose of this utility model is to provide a kind of quiet communicator of initiatively eliminating the noise, and being intended to solve is needing to keep quite environment or the larger occasion of noise, the problem of call inconvenience.
The utility model realizes like this, a kind of quiet communicator of initiatively eliminating the noise, comprise for covering on people's oral area and there is the cover body of cavity, be provided with in described cavity for receive sound that user sends and be converted into audio signal microphone and for sending anti-phase sound wave with the loud speaker of the sound of offsetting described user and sending, described quiet communicator of initiatively eliminating the noise also comprises the circuit board be electrically connected with described microphone, the wireless communication module be electrical connected with described circuit board and the battery be electrical connected with described circuit board, described loud speaker and described circuit board are electrically connected.
Further, described circuit board is installed on bottom described cavity, and described microphone is installed on described circuit board, and described loud speaker is installed on described circuit board.
Further, described loud speaker is multiple, and distribution is arranged at bottom described cavity.
Further, also comprise earphone, described earphone matches with described wireless communication module and is connected.
Further, described covers edge is provided with the sealing flexible glue for people's oral area of fitting.
Further, described cover body also offers air-vent.
Further, the bandage be connected with described cover body is also comprised.
Further, the two ends of described cover body are fixed with connecting ring respectively, and the two ends of described bandage are each passed through two described connecting rings.
Further, also comprise and add broadband, the two ends of described bandage are connected with the described two ends adding broadband respectively.
Further, also comprise broadening band, described broadening band is installed on the medium position of described bandage.
The utility model, by arranging microphone, circuit board and wireless communication module in the cavity of cover body, transfers audio signal to the sound facilitating reception user to send, then transmits through wireless communication module, so that other people can receive voice signal; In cavity, arrange loud speaker, the reflective sound wave sent by loud speaker, to offset the sound that user sends, the sound that can prevent user from sending spreads out of through cover body, realizes sound insulation, to use under quiet environment.And cover in user's oral area by cover body and also can reduce external acoustic waves and enter in the cavity of cover body, so that microphone better receives the sound that user sends, the occasion realized noise is larger is conversed.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of quiet communicator of initiatively eliminating the noise that the utility model embodiment provides;
Fig. 2 be the quiet communicator of initiatively eliminating the noise of Fig. 1 face structural representation;
Fig. 3 is the perspective view in the side-looking direction of the quiet communicator of initiatively eliminating the noise of Fig. 1;
Fig. 4 be the quiet communicator of initiatively eliminating the noise of Fig. 1 wear schematic diagram;
Fig. 5 is the circuit structure block diagram of the quiet communicator of initiatively eliminating the noise of Fig. 1;
Fig. 6 is the distributed architecture schematic diagram of loud speaker in the quiet communicator of initiatively eliminating the noise of Fig. 1;
Fig. 7 is the second distributed architecture schematic diagram of loud speaker in the quiet communicator of initiatively eliminating the noise of Fig. 1;
Fig. 8 is the third distributed architecture schematic diagram of loud speaker in the quiet communicator of initiatively eliminating the noise of Fig. 1;
Fig. 9 is the 4th kind of distributed architecture schematic diagram of loud speaker in the quiet communicator of initiatively eliminating the noise of Fig. 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 2 and Fig. 5, a kind of quiet communicator of initiatively eliminating the noise that the utility model embodiment provides, comprise cover body 10, cover body 10 has cavity 11, the oral area of people can be covered on.Microphone 21 and loud speaker 22 are installed in cavity 11; This quiet communicator of initiatively eliminating the noise also comprises circuit board 30, wireless communication module 25 and battery (not shown); Microphone 21 and circuit board 30 are electrically connected, and loud speaker 22 and circuit board 30 are electrically connected; The sound that microphone 21 sends for receiving user, and the voice signal of reception is converted into audio signal; Loud speaker 22, for sending anti-phase sound wave, namely sends the sound wave contrary with user's sound sound wave, to offset the sound that user sends.Wireless communication module 25 and circuit board 30 are electrical connected, the audio signal transmission that microphone 21 obtains to be gone out, so that other people receive, are convenient to converse.Battery and circuit board 30 are electrical connected, and are used for as each parts, as microphone 21, circuit board 30, wireless communication module 25, loud speaker 22 are powered.
Because sound is propagated by sound wave line of propagation, when there being anti-phase sound wave in sonic transmissions direction, primary sound ripple will being offset, realize noise reduction.In the present embodiment, by arranging microphone 21, circuit board 30 and wireless communication module 25 in the cavity 11 of cover body 10, receive by microphone 21 sound that user sends and transfer audio signal to, then transmit through wireless communication module 25, so that other people can receive voice signal.In cavity 11, arrange loud speaker 22, the reflective sound wave sent by loud speaker 22, to offset the sound that user sends, the sound that can prevent user from sending spreads out of through cover body 10, realizes sound insulation, to use under quiet environment.And cover in user's oral area by cover body 10, also can reduce external acoustic waves enters in the cavity 11 of cover body 10, so that microphone 21 better receives the sound that user sends, the occasion realized noise is larger is conversed.
Further, this quiet communicator of initiatively eliminating the noise also comprises earphone 23, and earphone 23 is connected with wireless communication module 25, to transfer the audio signal that wireless communication module 25 receives to sound wave, is convenient to user and listens to, and conveniently carries out call with other people and exchanges.Earphone 23 can be electrically connected by wire and circuit board 30, thus carries out pairing with wireless communication module 25 and be connected.In the present embodiment, earphone 23 can be the wireless headsets such as bluetooth, also can be wired earphone, answers conversation signal by circuit board 30 and wireless communication module 25.Wireless communication module 25 can be 3G module, 4G module or other wireless communication modules etc.In the present embodiment, earphone 23 is one, and in other embodiments, earphone 23 also can be 2, and namely earphone 23 is at least one.
Circuit board 30 is provided with signal conditioning circuit 31, and signal conditioning circuit 31 and microphone 21 are electrical connected, to nurse one's health the audio signal that microphone 21 obtains, facilitate postorder process.
Circuit board 30 is also provided with voice signal and receives transtation mission circuit 32, voice signal receives transtation mission circuit 32 and is electrical connected with signal conditioning circuit 31, wireless communication module 25 and voice signal receive transtation mission circuit 32 and are electrical connected, and send to be transferred to wireless communication module 25 through voice signal reception transtation mission circuit 32 after the Audio Signal Processing that obtained by microphone 21 of signal conditioning circuit 31.In addition, voice signal receives transtation mission circuit 32 and is electrical connected with earphone 23, thus when wireless communication module 25 receives external audio signal, can receive transtation mission circuit 32 arrangement be sent to earphone 23 through voice signal.
Circuit board 30 is also provided with initiatively sound-deadening and noise-reducing signal inversion circuit 33 and environment noise reduction sound field and amplifies distributor circuit 34, initiatively sound-deadening and noise-reducing signal inversion circuit 33 is electrical connected with signal conditioning circuit 31, environment noise reduction sound field is amplified distributor circuit 34 and is electrical connected with active sound-deadening and noise-reducing signal inversion circuit 33, loud speaker 22 amplifies distributor circuit 34 with environment noise reduction sound field and is connected, thus processed the audio signal of adjustment microphone 21 acquisition according to signal conditioning circuit 31 by active sound-deadening and noise-reducing signal inversion circuit 33, namely according to the sound wave that user sends, produce anti-phase audio signal, amplify distributor circuit 34 through environment noise reduction sound field again to amplify, be resent to loud speaker 22, so that loud speaker 22 correspondence sends anti-phase sound wave, realize better noise reduction.
Loud speaker 22 is at least one, and the anti-phase sound wave sent by loud speaker 22 carries out noise reduction.Preferably, in the present embodiment, loud speaker 22 is multiple, and distribution is arranged on bottom cavity 11.Multiple loud speaker 22 is set, sends anti-phase sound wave at the diverse location of the cavity 11 of cover body 10, better can offset the sound wave that user sounds, better realize sound insulation.In addition, amplify distributor circuit 34 by environment noise reduction sound field and control phase place and the amplitude that each loud speaker 22 sends sound wave respectively, and then carry out noise reduction targetedly, prevent sound from spreading out of outside cover body 10, better to realize sound insulation.Preferably, multiple loud speaker 22 can need distribution to be arranged on bottom cavity by noise elimination sound field.
Further, in the present embodiment, circuit board 30 is installed on bottom the cavity 11 of cover body 10, and microphone 21 is installed on circuit board 30, and loud speaker 22 is installed on circuit board 30.Facilitate processing and fabricating, and be convenient for carrying.In other embodiments, also loud speaker 22 and microphone 21 can be directly installed on bottom the cavity 11 of cover body 10, then be connected with circuit board 30 by wire.
See also Fig. 6, multiple loud speaker 22 is arranged in row's distribution.Refer to Fig. 7, multiple loud speaker 22 can also be arranged in two row's distributions.Refer to Fig. 8, multiple loud speaker 22 can also be arranged in polygon in distribution, and namely multiple loud speakers 22 line is successively polygon.Refer to Fig. 9, multiple loud speaker 22 can also be arranged in ovalize distribution.Certainly, multiple loud speaker 22 can also use other distribution mode.Thus make multiple loud speaker 22 realize better anti-phase sound field, be conducive to better realizing sound insulation.
Further, this quiet communicator of initiatively eliminating the noise also comprises the monitoring microphone (not shown) for detecting outside environmental sounds, thus also can send anti-phase sound wave for outside environmental sounds by loud speaker 22, prevent environmental noise from entering in the cavity 11 of cover body 10, and affect microphone 21, to converse more clearly.Further, microphone 21 is provided with sound insulation cylinder (not shown), intercepts direction sound wave by sound insulation cylinder, thus only receives the sound that sends of user.
Preferably, microphone 21 can be positioned at the center bottom cover body 10 cavity 11, thus just to the mouth position of user, the sound receiving user send so that better.In the present embodiment, employ a microphone 21 and carry out the sound that monitoring reception user sends, in other embodiments, multiple microphone 21 also can be used sound that collaborative monitoring reception user sends and ambient noise feedback signal, better to obtain various tone sources signal; Namely microphone 21 at least uses one.
Refer to Fig. 1, Fig. 2 and Fig. 3, cover body 10 edge is provided with the sealing flexible glue 12 for people's oral area of fitting.To be fitted the oral area of people by sealing flexible glue 12, and then can prevent sound wave from spreading out of further, better realize sound insulation.Further, cover body 10 also offers air-vent.Because people can produce air-flow when speaking, and this quiet communicator of initiatively eliminating the noise covers on people's oral area, sealing flexible glue 12 fit people's oral area time, annular seal space can be formed, people is made to feel uncomfortable when speaking, even when air pressure is larger in the fluid sealant formed, people can be affected and speak or cause people to speak.And on cover body 10, offer air-vent 13, the air-flow that people speaks can be discharged, ensure the comfortableness used, people can not be affected simultaneously and speak.Owing to being provided with the loud speaker 22 sending anti-phase sound wave in cavity 11, also can prevent one's voice in speech from spreading out of from air-vent 13.Preferably, air-vent 13 can be arranged on the down either side region of cover body 10.In other embodiment, air-vent 13 also can be arranged on other region of cover body.
Refer to Fig. 1, Fig. 3 and Fig. 4, further, this quiet communicator of initiatively eliminating the noise also comprises the bandage 41 be connected with cover body 10.Thus head people can be tied up by bandage 41 quiet communicator of this initiatively being eliminated the noise.Further, the two ends of cover body 10 are fixed with connecting ring 45 respectively, and the two ends of bandage 41 are each passed through two connecting rings 45.Like this, when quiet communicator of this initiatively being eliminated the noise is tied up at head, the neck of middle part around people of bandage 42 can be made, then tie up connected for the two ends of bandage 41 head part, so that quiet communicator of more stably this initiatively being eliminated the noise is tied up head part.In other embodiments, also cover body can be tied up head people with the bandage of other modes.In further embodiments, cover body directly can also be fixed on the helmet, thus when helmat belt is head part, cover body covers the oral area of people.
Further, this quiet communicator of initiatively eliminating the noise also comprises and adds broadband 43, and the two ends of bandage 41 are connected with the two ends adding broadband 43 respectively.The width adding broadband 43 is greater than the width of bandage 41, to reduce the pressure of bandage 41 pairs of numbers of people, makes people feel more comfortable.Bandage 41 can use elastic webbing, thus adapts to different people's uses.Add broadband 43 and also can use elastic webbing.In like manner, further, this quiet communicator of initiatively eliminating the noise also comprises broadening band 42, and broadening band 42 is installed on the medium position of bandage 41.The width of broadening band 42 is greater than the width of bandage 41, to reduce the pressure of bandage 41 pairs of person necks, makes people feel more comfortable.
Further, circuit board 30 can also use flexible PCB 30, is arranged on by circuit board 30 and adds in broadband 43 or broadening band 42.Certainly, battery can be directly installed on circuit board 30, also can be fixed on cover body 10.Preferably, in cover body 10, be also lined with acoustic material, as used the material such as Sound-proof material, foamed plastics, thus better realize sound insulation, improving soundproof effect.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a quiet communicator of initiatively eliminating the noise, comprise for covering on people's oral area and there is the cover body of cavity, it is characterized in that, be provided with in described cavity for receive sound that user sends and be converted into audio signal microphone and for sending anti-phase sound wave with the loud speaker of the sound of offsetting described user and sending, described quiet communicator of initiatively eliminating the noise also comprises the circuit board be electrically connected with described microphone, the wireless communication module be electrical connected with described circuit board and the battery be electrical connected with described circuit board, described loud speaker and described circuit board are electrically connected.
2. quiet communicator of initiatively eliminating the noise as claimed in claim 1, it is characterized in that, described circuit board is installed on bottom described cavity, and described microphone is installed on described circuit board, and described loud speaker is installed on described circuit board.
3. quiet communicator of initiatively eliminating the noise as claimed in claim 1, it is characterized in that, described loud speaker is multiple, and distribution is arranged at bottom described cavity.
4. quiet communicator of initiatively eliminating the noise as claimed in claim 1, it is characterized in that, also comprise earphone, described earphone matches with described wireless communication module and is connected.
5. the quiet communicator of initiatively eliminating the noise as described in any one of claim 1-4, is characterized in that, described covers edge is provided with the sealing flexible glue for people's oral area of fitting.
6. quiet communicator of initiatively eliminating the noise as claimed in claim 5, is characterized in that, described cover body also offers air-vent.
7. the quiet communicator of initiatively eliminating the noise as described in any one of claim 1-4, is characterized in that, also comprises the bandage be connected with described cover body.
8. quiet communicator of initiatively eliminating the noise as claimed in claim 7, it is characterized in that, the two ends of described cover body are fixed with connecting ring respectively, and the two ends of described bandage are each passed through two described connecting rings.
9. quiet communicator of initiatively eliminating the noise as claimed in claim 8, it is characterized in that, also comprise and add broadband, the two ends of described bandage are connected with the described two ends adding broadband respectively.
10. quiet communicator of initiatively eliminating the noise as claimed in claim 8, it is characterized in that, also comprise broadening band, described broadening band is installed on the medium position of described bandage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420818797.1U CN204272228U (en) | 2014-12-19 | 2014-12-19 | Initiatively to eliminate the noise quiet communicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420818797.1U CN204272228U (en) | 2014-12-19 | 2014-12-19 | Initiatively to eliminate the noise quiet communicator |
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| Publication Number | Publication Date |
|---|---|
| CN204272228U true CN204272228U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420818797.1U Active CN204272228U (en) | 2014-12-19 | 2014-12-19 | Initiatively to eliminate the noise quiet communicator |
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| Country | Link |
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| CN (1) | CN204272228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763697A (en) * | 2014-12-19 | 2016-07-13 | 武君 | Active sound-cancelling and muting call communication device |
| CN109874082A (en) * | 2019-03-18 | 2019-06-11 | 深圳市沃特沃德股份有限公司 | The mounting structure and electronic equipment of loudspeaker and microphone |
-
2014
- 2014-12-19 CN CN201420818797.1U patent/CN204272228U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763697A (en) * | 2014-12-19 | 2016-07-13 | 武君 | Active sound-cancelling and muting call communication device |
| CN109874082A (en) * | 2019-03-18 | 2019-06-11 | 深圳市沃特沃德股份有限公司 | The mounting structure and electronic equipment of loudspeaker and microphone |
| CN109874082B (en) * | 2019-03-18 | 2021-02-09 | 深圳市沃特沃德股份有限公司 | Mounting structure and electronic equipment of loudspeaker and microphone |
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