CN204362296U - Feedforward and the elimination of feedback convolution are snored the earplug of noise and earplug receiver - Google Patents
Feedforward and the elimination of feedback convolution are snored the earplug of noise and earplug receiver Download PDFInfo
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- CN204362296U CN204362296U CN201520083768.XU CN201520083768U CN204362296U CN 204362296 U CN204362296 U CN 204362296U CN 201520083768 U CN201520083768 U CN 201520083768U CN 204362296 U CN204362296 U CN 204362296U
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- 230000008030 elimination Effects 0.000 title claims abstract description 23
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 23
- 238000006757 chemical reactions by type Methods 0.000 claims abstract description 27
- 206010041235 Snoring Diseases 0.000 claims abstract description 17
- 238000004088 simulation Methods 0.000 claims description 13
- 238000002955 isolation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000005802 health problem Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003860 sleep quality Effects 0.000 description 1
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Abstract
The utility model discloses a kind of feedforward and the elimination of feedback convolution to snore the earplug of noise and earplug receiver, described earplug comprises earplug bodies; The inside of earplug bodies is provided with reaction type microphone, loud speaker and circuit board, and circuit board is provided with the core circuit, rechargeable battery and the charging circuit that connect in turn; The outside of earplug bodies is provided with feed forward type microphone and can conductive contact point A, can be connected with charging circuit by conductive contact point A; Feed forward type microphone, reaction type microphone are all connected with core circuit with loud speaker; Described earplug receiver comprises receiver main body, be provided with in receiver main body can conductive contact point B and with can the compact power that is connected of conductive contact point B; When earplug is placed in receiver, can conductive contact point B with can be connected by conductive contact point A.The utility model can effectively eliminate snoring noise, wears Energy and comfort, without the need to external cord, avoids electric wire to endanger personal safety around neck.
Description
Technical field
The utility model relates to a kind of feedforward and the elimination of feedback convolution and to snore the earplug of noise and earplug receiver, belongs to earplug noise reduction technology field.
Background technology
For the people of the people, particularly difficulty falling asleep of sleep, the noise of other people snoring often reduces their sleep quality, even may cause health problem time serious.Therefore, most people can select some sound arresters to keep out noise, but these sound arresters still exist following problem:
1, ear lid: cover ear isolation snoring noise, but not good to the isolation effect of low-frequency noise;
2, pleasant earplug: not good to the isolation effect of snoring noise Middle and low frequency noise, and wear uncomfortable;
3, active noise silencing earphone: can isolate snoring low-frequency noise, but the electronic control circuit and the battery case that need the external heaviness of electric wire, therefore wear uncomfortable, may cause having difficulty in going to sleep, and electric wire have the risk strangling user in dream;
4, bluetooth earplug: the rechargeable battery with embedding, but need electric wire come and go earplug to another side, wear uncomfortable, may cause having difficulty in going to sleep, and there is no active noise silencing, not good to low-frequency noise isolation effect.
At present, sound arrester can't be taken into account and effectively keep out enriching low frequency noise component and wearing these two demands of comfortable safety in snoring noise.
Utility model content
The purpose of this utility model is, the earplug providing a kind of feedforward and the elimination of feedback convolution to snore noise and earplug receiver, earplug effectively can eliminate the low-frequency noise in snoring noise, and wears Energy and comfort, without the need to external cord, avoid electric wire around the problem of neck harm personal safety.
The technical solution of the utility model: a kind of feedforward and the elimination of feedback convolution are snored the earplug of noise, comprise earplug bodies; The inside of earplug bodies is provided with reaction type microphone, loud speaker and circuit board, and circuit board is provided with the core circuit, rechargeable battery and the charging circuit that connect in turn; The outside of earplug bodies is provided with feed forward type microphone and can conductive contact point A, can be connected with charging circuit by conductive contact point A; Feed forward type microphone, reaction type microphone are all connected with core circuit with loud speaker; The outside of earplug bodies does not arrange electric wire.
Aforesaid feedforward is snored in the earplug of noise with the elimination of feedback convolution, described core circuit comprises the simulation ANC device, blender and the BTL audio frequency amplifier that connect in turn, feed forward type microphone, reaction type microphone are all connected with simulation ANC device, and loud speaker is connected with BTL audio frequency amplifier.
Aforesaid feedforward is snored in the earplug of noise with the elimination of feedback convolution, described simulation ANC device comprises Differential Input variable gain amplifier A, Differential Input variable gain amplifier B, phase controller A and phase controller B, feed forward type microphone and phase controller A are all connected with Differential Input variable gain amplifier A, reaction type microphone and phase controller B are all connected with Differential Input variable gain amplifier B, and phase controller A is all connected with blender with phase controller B.
Aforesaid feedforward is snored in the earplug of noise with the elimination of feedback convolution, and described core circuit also comprises Time delay control module; Time delay control module is connected with Differential Input variable gain amplifier A and Differential Input variable gain amplifier B.
Aforesaid feedforward is snored in the earplug of noise with the elimination of feedback convolution, the storage device that described core circuit also comprises single wire digital control interface and is connected with single wire digital control interface, storage device is connected with Differential Input variable gain amplifier A and Differential Input variable gain amplifier B.
Aforesaid feedforward is snored in the earplug of noise with the elimination of feedback convolution, and described earplug bodies is half In-Ear.
To snore the receiver of earplug of noise for receiving aforesaid feedforward and the elimination of feedback convolution, comprising receiver main body, be provided with in receiver main body can conductive contact point B and with can the compact power that is connected of conductive contact point B; When earplug is placed in receiver, can conductive contact point B with can be connected by conductive contact point A, utilize compact power to charge to the rechargeable battery in earplug.
In aforesaid earplug receiver, compact power is provided with charging inlet, and this charging inlet connects power supply adaptor and charges to compact power.
In aforesaid earplug receiver, charging inlet is micro USB interface.
In aforesaid earplug receiver, receiver main body is provided with LED.
Compared with prior art, the utility model earplug can effectively be eliminated and all audio frequencies, particularly low-frequency noise that are associated in noise of snoring; Earplug adopts half In-Ear, and shell is made up of flexible material, makes to wear Energy and comfort, and internal circuit can be protected again not to be damaged; The built-in all electronic circuits of earplug and battery, when being placed in receiver, earplug automatic charging, without the need to external cord, battery case, avoids electric wire around the problem of neck harm personal safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the left earplug of embodiment 1 and embodiment 2;
Fig. 2 is the structural representation of the right earplug of embodiment 1 and embodiment 2;
Fig. 3 is the earplug external overall structural representation of embodiment 1 and embodiment 2;
Fig. 4 is the structural representation of the core circuit of embodiment 1;
Fig. 5 is the structural representation of the core circuit of embodiment 2;
Fig. 6 is the structural representation of the core circuit of embodiment 3;
Fig. 7 is the internal structure schematic diagram of the receiver of embodiment 4;
Fig. 8 is the external structure schematic diagram of the receiver of embodiment 4;
Fig. 9 is the connection diagram of the compact power charging of the receiver of embodiment 4.
Reference numeral: 1-left earplug main body, the left reaction type microphone of 10-, 11-left speaker, the left feed forward type microphone of 12-, the left circuit board of 13-, the left core circuit of 14-, the left rechargeable battery of 15-, the left charging circuit of 16-, a 17-left side can conductive contact point A, 2-right earplug main body, the right reaction type microphone of 20-, the right loud speaker of 21-, the right feed forward type microphone of 22-, the right circuit board of 23-, the right core circuit of 24-, the right rechargeable battery of 25-, the right charging circuit of 26-, the 27-right side can conductive contact point A, 3-receiver main body, 31-compact power, a 32-left side can conductive contact point B, the 33-right side can conductive contact point B, 34-charging inlet, the left groove of 35-, the right groove of 36-, 37-LED lamp, 38-power supply adaptor.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment 1 of the present utility model: a kind of feedforward and the elimination of feedback convolution are snored the earplug of noise, as shown in Figure 3, comprises half In-Ear left earplug main body 1 and right earplug main body 2.
As shown in Figure 1, the inside of left earplug main body 1 is provided with left reaction type microphone 10, left speaker 11 and left circuit board 13, and left circuit board 13 is provided with the left core circuit 14, left rechargeable battery 15 and the left charging circuit 16 that connect in turn; The outside of left earplug main body 1 is provided with left feed forward type microphone 12 and a left side can conductive contact point A17, and a left side can be connected with left charging circuit 16 by conductive contact point A17; Left feed forward type microphone 12, left reaction type microphone 10 are all connected with left core circuit 14 with left speaker 11; The outside of earplug bodies does not arrange electric wire.
As shown in Figure 2, the inside of right earplug main body 2 is provided with right reaction type microphone 20, right loud speaker 21 and right circuit board 23, and right circuit board 23 is provided with the right core circuit 24, right rechargeable battery 25 and the right charging circuit 26 that connect in turn; The outside of right earplug main body 2 is provided with right feed forward type microphone 22 and the right side can conductive contact point A27, and the right side can be connected with right charging circuit 26 by conductive contact point A27; Right feed forward type microphone 22, right reaction type microphone 20 are all connected with right core circuit 24 with right loud speaker 21; The outside of earplug bodies does not arrange electric wire.
The structural representation of described left core circuit 14, right core circuit 24 as shown in Figure 4, include the simulation ANC device, blender and the BTL audio frequency amplifier that connect in turn, feed forward type microphone, reaction type microphone are all connected with simulation ANC device, and loud speaker is connected with BTL audio frequency amplifier.
Simulation ANC device receives and processes the noise signal from feed forward type microphone and reaction type microphone, two noise signals after process is exported to the input of blender; Blender mixes this two noise signals, and mixed signal is exported to the input of described BTL audio frequency amplifier; BTL audio frequency amplifier amplifies mixed signal, and drives loud speaker to play described signal, eliminates extraneous snoring noise.
Embodiment 2 of the present utility model: a kind of feedforward and the elimination of feedback convolution are snored the earplug of noise, comprises half In-Ear left earplug main body 1 and right earplug main body 2.
As shown in Figure 1, the inside of left earplug main body 1 is provided with left reaction type microphone 10, left speaker 11 and left circuit board 13, and left circuit board 13 is provided with the left core circuit 14, left rechargeable battery 15 and the left charging circuit 16 that connect in turn; The outside of left earplug main body 1 is provided with left feed forward type microphone 12 and a left side can conductive contact point A17, and a left side can be connected with left charging circuit 16 by conductive contact point A17; Left feed forward type microphone 12, left reaction type microphone 10 are all connected with left core circuit 14 with left speaker 11; The outside of earplug bodies does not arrange electric wire.
As shown in Figure 2, the inside of right earplug main body 2 is provided with right reaction type microphone 20, right loud speaker 21 and right circuit board 23, and right circuit board 23 is provided with the right core circuit 24, right rechargeable battery 25 and the right charging circuit 26 that connect in turn; The outside of right earplug main body 2 is provided with right feed forward type microphone 22 and the right side can conductive contact point A27, and the right side can be connected with right charging circuit 26 by conductive contact point A27; Right feed forward type microphone 22, right reaction type microphone 20 are all connected with right core circuit 24 with right loud speaker 21; The outside of earplug bodies does not arrange electric wire.
The structural representation of described left core circuit 14, right core circuit 24 as shown in Figure 5, comprises Time delay control module, simulation ANC device, blender and BTL audio frequency amplifier; Simulation ANC device, blender are connected in turn with BTL audio frequency amplifier, and Time delay control module, feed forward type microphone and reaction type microphone are all connected with simulation ANC device, and loud speaker is connected with BTL audio frequency amplifier.
Described simulation ANC device comprises Differential Input variable gain amplifier A, Differential Input variable gain amplifier B, phase controller A and phase controller B, feed forward type microphone, Time delay control module and phase controller A are all connected with Differential Input variable gain amplifier A, reaction type microphone, Time delay control module and phase controller B are all connected with Differential Input variable gain amplifier B, and phase controller A is all connected with blender with phase controller B.
Differential Input variable gain amplifier A receives and amplifies the noise signal of feed forward type microphone, and phase controller A is by the phase overturn 180 degree of the feed forward type noise signal after amplification; Differential Input variable gain amplifier B receives and amplifies the noise signal of reaction type microphone, and phase controller B is by the phase overturn 180 degree of the reaction type noise signal after amplification; Two noise signals after upset export the input of blender to, and blender mixes this two noise signals, and mixed noise signal is exported to the input of BTL audio frequency amplifier; BTL audio frequency amplifier amplifies mixed signal, and drives loud speaker to play described signal, eliminates extraneous snoring noise.
Time delay control module can control there is different time of delay from the noise signal of feed forward type microphone and reaction type microphone.
Embodiment 3 of the present utility model: a kind of feedforward and the elimination of feedback convolution are snored the earplug of noise, the difference of itself and embodiment 2 is only: as shown in Figure 6, the storage device that described core circuit also comprises single wire digital control interface and is connected with single wire digital control interface, storage device is connected with Differential Input variable gain amplifier A and Differential Input variable gain amplifier B, adopt computer numeral control method de-tuned earplug except effect of making an uproar, replace staff adjust the de-tuned earplug of variable resistor except effect of making an uproar.
In above-described embodiment 1,2 and 3, SOC technology can be passed through by the module integration on core circuit on a chip.
Embodiment 4 of the present utility model: a kind ofly to snore the receiver of earplug of noise for receiving described in embodiment 1,2 or 3 feedforward and the elimination of feedback convolution, as shown in Figure 7, comprise receiver main body 3, the groove mated with left earplug main body 1 and right earplug main body 2 is respectively equipped with in receiver main body 3, being provided with a left side in left groove 35 can conductive contact point B32, and being provided with the right side in right groove 36 can conductive contact point B33; When earplug is placed in receiver, a left side conductive contact point B32 and a left side can contact and be electrically connected by conductive contact point A17, and the right side conductive contact point B33 and the right side can contact and be electrically connected by conductive contact point A27.
As shown in Figure 7, Figure 8, compact power 31 is also provided with in receiver main body 3, compact power 31 and a left side can conductive contact point B32, the right side can be connected by conductive contact point B33, and compact power 31 is provided with charging inlet 34, and this charging inlet 34 can be micro USB interface; Receiver main body 3 is provided with LED 37.
As shown in Figure 9, charging inlet 34 connects power supply adaptor 38 and charges to compact power 31, and during charging, the LED 37 on receiver can be bright.
When earplug is placed in receiver, compact power 31 sequentially passes through a left side conductive contact point B32, a left side can be connected to left charging circuit 16 by conductive contact point A17, charges to the left rechargeable battery 15 of left earplug; Compact power 31 sequentially passes through the right side simultaneously conductive contact point B33, the right side can be connected to right charging circuit 26 by conductive contact point A27, charges to the right rechargeable battery 25 of right earplug.During charging, the LED 37 on receiver can be bright.
When earplug leaves receiver, earplug can the connection of conductive contact point B the stopping of conductive contact point A and receiver, earplug detects this change, and the rechargeable battery of earplug provides electric energy for core circuit, start core circuit, the switching device on earplug can be saved.
Claims (10)
1. feedforward and the elimination of feedback convolution are snored the earplug of noise, it is characterized in that: comprise earplug bodies; The inside of earplug bodies is provided with reaction type microphone, loud speaker and circuit board, and circuit board is provided with the core circuit, rechargeable battery and the charging circuit that connect in turn; The outside of earplug bodies is provided with feed forward type microphone and can conductive contact point A, can be connected with charging circuit by conductive contact point A; Feed forward type microphone, reaction type microphone are all connected with core circuit with loud speaker.
2. feedforward according to claim 1 and the elimination of feedback convolution are snored the earplug of noise, it is characterized in that: described core circuit comprises the simulation ANC device, blender and the BTL audio frequency amplifier that connect in turn, feed forward type microphone, reaction type microphone are all connected with simulation ANC device, and loud speaker is connected with BTL audio frequency amplifier.
3. feedforward according to claim 2 and the elimination of feedback convolution are snored the earplug of noise, it is characterized in that: described simulation ANC device comprises Differential Input variable gain amplifier A, Differential Input variable gain amplifier B, phase controller A and phase controller B, feed forward type microphone and phase controller A are all connected with Differential Input variable gain amplifier A, reaction type microphone and phase controller B are all connected with Differential Input variable gain amplifier B, and phase controller A is all connected with blender with phase controller B.
4. feedforward according to claim 3 and the elimination of feedback convolution are snored the earplug of noise, it is characterized in that: described core circuit also comprises Time delay control module; Time delay control module is connected with Differential Input variable gain amplifier A and Differential Input variable gain amplifier B.
5. want the feedforward described in 3 or 4 and the elimination of feedback convolution to snore the earplug of noise according to right, it is characterized in that: the storage device that described core circuit also comprises single wire digital control interface and is connected with single wire digital control interface, storage device is connected with Differential Input variable gain amplifier A and Differential Input variable gain amplifier B.
6. feedforward according to claim 1 and the elimination of feedback convolution are snored the earplug of noise, it is characterized in that: described earplug bodies is half In-Ear.
7. to snore the receiver of earplug of noise for receiving feedforward described in claim 1 ~ 6 any one and the elimination of feedback convolution for one kind, it is characterized in that: comprise receiver main body, be provided with in receiver main body can conductive contact point B and with can the compact power that is connected of conductive contact point B; When earplug is placed in receiver, can conductive contact point B with can be connected by conductive contact point A, utilize compact power to charge to the rechargeable battery in earplug.
8. earplug receiver according to claim 7, is characterized in that: compact power is provided with charging inlet, and this charging inlet connects power supply adaptor and charges to compact power.
9. earplug receiver according to claim 8, is characterized in that: charging inlet is micro USB interface.
10. the earplug receiver according to claim 7 or 8, is characterized in that: receiver main body is provided with LED.
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CN201520083768.XU CN204362296U (en) | 2015-02-05 | 2015-02-05 | Feedforward and the elimination of feedback convolution are snored the earplug of noise and earplug receiver |
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CN201520083768.XU CN204362296U (en) | 2015-02-05 | 2015-02-05 | Feedforward and the elimination of feedback convolution are snored the earplug of noise and earplug receiver |
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CN106073978A (en) * | 2016-07-26 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of device for preventing snoring and snore relieving method |
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CN108076402A (en) * | 2016-11-10 | 2018-05-25 | 美律电子(深圳)有限公司 | Anti-noise earphone |
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2015
- 2015-02-05 CN CN201520083768.XU patent/CN204362296U/en not_active Expired - Fee Related
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US11690428B2 (en) | 2015-09-30 | 2023-07-04 | Apple Inc. | Portable listening device with accelerometer |
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US10681446B2 (en) | 2015-09-30 | 2020-06-09 | Apple Inc. | Earbud case with pairing button |
US11944172B2 (en) | 2015-09-30 | 2024-04-02 | Apple Inc. | Portable listening device with sensors |
CN114885244A (en) * | 2015-09-30 | 2022-08-09 | 苹果公司 | Earplug with acoustic insert |
CN110430494A (en) * | 2015-09-30 | 2019-11-08 | 苹果公司 | Earplug with acoustics insertion piece |
US10880630B2 (en) | 2015-09-30 | 2020-12-29 | Apple Inc. | Wireless earbud |
CN105163238A (en) * | 2015-10-17 | 2015-12-16 | 深圳跃豁达科技有限公司 | Earphone capable of actively performing deep noise reduction |
CN106073978A (en) * | 2016-07-26 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of device for preventing snoring and snore relieving method |
CN106073978B (en) * | 2016-07-26 | 2018-07-03 | 京东方科技集团股份有限公司 | A kind of device for preventing snoring and snore relieving method |
CN108076402A (en) * | 2016-11-10 | 2018-05-25 | 美律电子(深圳)有限公司 | Anti-noise earphone |
CN108086518A (en) * | 2017-12-23 | 2018-05-29 | 广州市尊浪电器有限公司 | Active room noise shielding system |
WO2020061820A1 (en) * | 2018-09-26 | 2020-04-02 | 深圳市魅动智能股份有限公司 | Bluetooth earbud, bluetooth earphone, and charging case |
WO2020061819A1 (en) * | 2018-09-26 | 2020-04-02 | 深圳市魅动智能股份有限公司 | Bluetooth earplug, bluetooth earphone and charging box |
CN112040357A (en) * | 2020-05-09 | 2020-12-04 | 珠海市杰理科技股份有限公司 | True wireless earphone and active noise reduction training circuit, chip and system thereof |
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