CN204993794U - Sound system of device of making an uproar falls in area initiative - Google Patents
Sound system of device of making an uproar falls in area initiative Download PDFInfo
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- CN204993794U CN204993794U CN201520712280.9U CN201520712280U CN204993794U CN 204993794 U CN204993794 U CN 204993794U CN 201520712280 U CN201520712280 U CN 201520712280U CN 204993794 U CN204993794 U CN 204993794U
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- 230000005540 biological transmission Effects 0.000 abstract 1
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- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses a sound system of device of making an uproar falls in area initiative is applicable to a supporter of supporting user's head or neck, and it includes: first microphone for gather ambient noise, the speaker for transmission no. 1 is fallen and is made an uproar the signal in order to offset ambient noise, and second microphone for gather the residual noise in order to revise the signal of making an uproar falls, just the second microphone can reach in user's ear remove between the supporter. Compared with the prior art, the utility model discloses a sound system of device of making an uproar falls in area initiative's second microphone can be gathered the residual noise and fall the signal of making an uproar with the correction, and movably locating between user's ear and the supporter, consequently, in the time of on user's ear is located to the second microphone, can gather near the residual noise in user's ear, falling after then revising is made an uproar the signal and can dropped to near the ambient noise in ear minimum, for the user provide one comfortable, quiet environment, can shift up down the second microphone from user's ear afterwards, avoid causing the discomfort for the user.
Description
Technical field
The utility model relates to a kind of active noise reducing device, particularly relates to a kind of sound system with the band active noise reducing device of high noise reduction.
Background technology
Noise, by producing the reverse sound wave equal with ambient noise, neutralizes, thus realizes the effect of noise reduction by active noise reducing device.This noise reduction technology is a kind of technology of Active Noise Control.
Japanese patent application publication No. 07-008558 discloses a kind of comfortable sleeping equipment, comprising: be located at head both sides for monitoring of environmental acoustic pressure the first acoustic pressure monitor, for monitor near ear residual acoustic pressure the second acoustic pressure monitor, for calculating a computing unit of acoustic signals and sending the generation equipment of this acoustic signals.Ambient noise can offset by acoustic signals thus reach the object of noise reduction, and the residual acoustic pressure near the second acoustic pressure monitor monitors ear, acoustic signals can be calibrated further to improve noise reduction.
Although the second acoustic pressure monitor can be calibrated the acoustic signals of noise reduction, be down to minimum to make the acoustic pressure of the second acoustic pressure monitor position, but there is certain distance in the second acoustic pressure monitor position and user's ear position, therefore this comfortable sleeping equipment can not ensure the noise reduction near user's ear, cannot provide a comfortable quiet sleep environment to user.
Therefore, urgently a kind of sound system of band active noise reducing device of high noise reduction, to overcome above-mentioned defect.
Utility model content
The purpose of this utility model is to provide a kind of sound system with the band active noise reducing device of high noise reduction.
For achieving the above object, the utility model provides a kind of sound system with active noise reducing device, is applicable to the supporter of a support user head or neck, comprises: the first microphone, in order to gather ambient noise; Loud speaker, in order to launch a de-noising signal to offset described environmental noise; And second microphone, in order to gather residual noise to revise described de-noising signal, and described second microphone can move between user's ear and described supporter.
Preferably, described supporter is provided with a location division of the described second microphone in location, and described second microphone can be positioned described location division.
Preferably, described second microphone is earphone, earplug or stethoscopic shape, thus can be positioned on described user's ear.
Preferably, described loud speaker and described location division are located on a position of close described user's ear of described supporter, and described first microphone is located on the position away from described user's ear of described supporter.
Preferably, described position point is between described loud speaker and described user's ear.
Preferably, the sound system of described band active noise reducing device also comprises a detecting unit, in order to detect the position of described second microphone.
Preferably, described supporter is head rest, pillow or neckpillow.
Compared with prior art, first microphone of the sound system of band active noise reducing device of the present utility model can gather ambient noise, this ambient noise is supplied to loud speaker, loud speaker is made to launch a de-noising signal to offset this ambient noise, ambient noise by the first microphone position is offset to minimum, the sound system of this band active noise reducing device also comprises second microphone, in order to gather residual noise to revise above-mentioned de-noising signal, and it is located between user's ear and supporter movably, therefore when second microphone is located on user's ear, the residual noise near user's ear can be gathered, then the environmental noise near ear can be down to minimum by revised de-noising signal, to user provide one comfortable, quiet environment, second microphone can be moved down from user's ear subsequently, avoid causing discomfort to user.
By following description also by reference to the accompanying drawings, the utility model will become more clear, and these accompanying drawings are for explaining embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation that the sound system of the band active noise reducing device of the utility model first embodiment is located in neckpillow.
Fig. 2 is another structural representation that the sound system of the band active noise reducing device of the utility model first embodiment is located in neckpillow.
Fig. 3 is the structural representation that the sound system of the band active noise reducing device of the utility model second embodiment is located on head rest.
Fig. 4 is another structural representation that the sound system of the band active noise reducing device of the utility model second embodiment is located on head rest.
Fig. 5 is the structural representation that the sound system of the band active noise reducing device of the utility model the 3rd embodiment is located on pillow.
Fig. 6 is another structural representation that the sound system of the band active noise reducing device of the utility model the 3rd embodiment is located on pillow.
Fig. 7 is the structural representation of the second microphone of the sound system of the band active noise reducing device of the utility model the 4th embodiment.
Embodiment
Set forth the several different most preferred embodiment of the utility model below with reference to the accompanying drawings, wherein in different figure, identical label represents identical parts.As mentioned above, essence of the present utility model is to provide a kind of sound system with the band active noise reducing device of high noise reduction.
As shown in figs. 1 to 6, the sound system 10 of band active noise reducing device of the present utility model is located at the supporter that can support user's head or neck, and supporter can be neckpillow 22 as shown in Fig. 1 ~ 2, head rest 24 as shown in figs. 34 or the pillow 26 as shown in Fig. 5 ~ 6.The sound system 10 of this band active noise reducing device comprises: the first microphone 12, in order to gather ambient noise; Loud speaker 16, in order to launch a de-noising signal to offset environmental noise; And second microphone 14, in order to gather residual noise to revise de-noising signal, and second microphone 14 can move between user's ear and above-mentioned supporter.
Compared with prior art, first microphone 12 of the sound system 10 of band active noise reducing device of the present utility model can gather ambient noise, this ambient noise is supplied to loud speaker 16, loud speaker 16 is made to launch a de-noising signal to offset this ambient noise, ambient noise by the first microphone 12 position is offset to minimum, the sound system 10 of this band active noise reducing device also comprises second microphone 14, in order to gather residual noise to revise above-mentioned de-noising signal, and it is located between user's ear and supporter movably, therefore when second microphone 14 is located on user's ear, the residual noise near user's ear can be gathered, then the environmental noise near ear can be down to minimum by revised de-noising signal, to user provide one comfortable, quiet environment, second microphone 14 can be moved down from user's ear subsequently, avoid causing discomfort to user.
Fig. 1 ~ 2 illustrate the first embodiment of the present utility model, are namely provided with the neckpillow 22 of sound system 10 of band active noise reducing device, and this neckpillow 22 roughly takes the shape of the letter U and neck in order to support user.Particularly, loud speaker 16 and second microphone 14 are located on a position of close user's ear of neckpillow 22, and second microphone 14 is between loud speaker 16 and user's ear, the first microphone 12 be located at neckpillow 22 away from a position of user's ear.More specifically, U-shaped neckpillow 22 has the two ends of close user's ear, and the upper surface at these two ends is located at by two loud speakers 16, and two second microphones 14 are located at the inner side of two loud speakers 16 respectively, and the lateral surface of neckpillow 22 is located at by two the first microphones 12.
Preferably, neckpillow 22 is provided with a location division (not shown) of location second microphone 14, i.e. the position at second microphone 14 place in Fig. 1, and second microphone 14 can be positioned location division.And second microphone 14 is in earphone, earplug or stethoscopic shape, thus can be positioned on user's ear, the shape of second microphone 14 in earplug that Fig. 7 shows.
Preferably, the sound system 10 of band active noise reducing device also comprises a detecting unit and a computing unit (not shown), and detecting unit is in order to detect the position of second microphone 14, and computing unit is in order to calculate de-noising signal.When second microphone 14 is positioned on user's ear, the positional information of second microphone 14 is sent to computing unit by detecting unit, the de-noising signal that computing unit calculates can the environmental noise of now second microphone 14 position (user's ear) be offset extremely minimum, if second microphone 14 is moved on the location division of neckpillow 22, detecting unit detects the change in location of second microphone 14 and the positional information of now second microphone 14 is sent to computing unit, computing unit calculates the changing value of residual noise when second microphone 14 moves to location division from user's ear, according to the residual noise that this changing value and second microphone 14 gather on location division, computing unit calculates a de-noising signal, the environmental noise that this de-noising signal can be offset near user's ear is equally extremely minimum, and do not need second microphone 14 to be worn on for a long time on user's ear.
Fig. 3 ~ 4 illustrate the second embodiment of the present utility model, as figure, with the first embodiment unlike, band active noise reducing device sound system 10 be located on head rest 24.Particularly, as shown in Figure 3, the both sides of head rest 24 near user's ear are located at by two loud speakers 16, two second microphones 14 are positioned the inner side of loud speaker 16 respectively, namely, between loud speaker 16 and user's ear, the both sides of head rest 24 away from user's ear are located at by the first microphone 12, certainly, in other embodiments, the first microphone 12 also can be located at supporting member by 24 seat body or sofa body on.Again as shown in Figure 4, the shape of two second microphones 14 also in earplug, and can shift out to be positioned on user's ear from head rest 24.
Fig. 5 ~ 6 illustrate the 3rd embodiment of the present utility model, as figure, with the second embodiment unlike, band active noise reducing device sound system 10 be located on pillow 26.Certainly, in other embodiments, the sound system 10 of this band active noise reducing device can be located on other supporters, as cap etc.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (7)
1. the sound system with active noise reducing device, is applicable to the supporter of a support user head or neck, it is characterized in that, comprising:
First microphone, in order to gather ambient noise;
Loud speaker, in order to launch a de-noising signal to offset described environmental noise; And
Second microphone, in order to gather residual noise to revise described de-noising signal, and described second microphone can move between user's ear and described supporter.
2. the sound system of band active noise reducing device as claimed in claim 1, is characterized in that: described supporter is provided with a location division of the described second microphone in location, and described second microphone can be positioned described location division.
3. the sound system of the band active noise reducing device as described in any one of claim 1 or 2, is characterized in that: described second microphone is earphone, earplug or stethoscopic shape, thus can be positioned on described user's ear.
4. the sound system of band active noise reducing device as claimed in claim 2, it is characterized in that: described loud speaker and described location division are located on a position of close described user's ear of described supporter, and described first microphone is located on the position away from described user's ear of described supporter.
5. the sound system of the band active noise reducing device as described in any one of claim 2 or 4, is characterized in that: described position point is between described loud speaker and described user's ear.
6. the sound system of band active noise reducing device as claimed in claim 1, is characterized in that: also comprise a detecting unit, in order to detect the position of described second microphone.
7. the sound system of band active noise reducing device as claimed in claim 1, is characterized in that: described supporter is head rest, pillow or neckpillow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712280.9U CN204993794U (en) | 2015-09-15 | 2015-09-15 | Sound system of device of making an uproar falls in area initiative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712280.9U CN204993794U (en) | 2015-09-15 | 2015-09-15 | Sound system of device of making an uproar falls in area initiative |
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| Publication Number | Publication Date |
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| CN204993794U true CN204993794U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520712280.9U Expired - Fee Related CN204993794U (en) | 2015-09-15 | 2015-09-15 | Sound system of device of making an uproar falls in area initiative |
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| CN (1) | CN204993794U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106254989A (en) * | 2016-08-31 | 2016-12-21 | 宁波浙大电子有限公司 | A kind of noise cancelling headphone and noise-reduction method thereof |
| WO2017147884A1 (en) * | 2016-03-03 | 2017-09-08 | 邱琦 | Neck pillow |
| CN107959912A (en) * | 2017-11-20 | 2018-04-24 | 东华大学 | A kind of multifunctional sound box with two kinds of noise reducing sound box and noise reducer |
| CN108093337A (en) * | 2017-12-23 | 2018-05-29 | 广州市尊浪电器有限公司 | Noise reducing sound box component |
| CN108810719A (en) * | 2018-08-29 | 2018-11-13 | 歌尔科技有限公司 | A kind of noise-reduction method, neckstrap formula earphone and storage medium |
| CN109664848A (en) * | 2017-10-13 | 2019-04-23 | 松下电器（美国）知识产权公司 | Oise damping means and noise control method |
| CN110493692A (en) * | 2015-10-13 | 2019-11-22 | 索尼公司 | Information processing unit |
| CN110481401A (en) * | 2018-05-15 | 2019-11-22 | 中国船舶重工集团公司第七一一研究所 | Active noise reduction headrest |
| CN110689873A (en) * | 2018-07-06 | 2020-01-14 | 广州小鹏汽车科技有限公司 | Active noise reduction method, device, equipment and medium |
| CN110719550A (en) * | 2019-10-21 | 2020-01-21 | 南京南大电子智慧型服务机器人研究院有限公司 | Virtual microphone optimization design method of double-channel active noise reduction headrest |
| WO2022047905A1 (en) * | 2020-09-01 | 2022-03-10 | 苏州中科速衡电子有限公司 | Active noise reduction module of acoustoelectric sensor and sound monitor |
-
2015
- 2015-09-15 CN CN201520712280.9U patent/CN204993794U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110493692A (en) * | 2015-10-13 | 2019-11-22 | 索尼公司 | Information processing unit |
| WO2017147884A1 (en) * | 2016-03-03 | 2017-09-08 | 邱琦 | Neck pillow |
| CN106254989A (en) * | 2016-08-31 | 2016-12-21 | 宁波浙大电子有限公司 | A kind of noise cancelling headphone and noise-reduction method thereof |
| CN109664848A (en) * | 2017-10-13 | 2019-04-23 | 松下电器（美国）知识产权公司 | Oise damping means and noise control method |
| CN107959912A (en) * | 2017-11-20 | 2018-04-24 | 东华大学 | A kind of multifunctional sound box with two kinds of noise reducing sound box and noise reducer |
| CN108093337A (en) * | 2017-12-23 | 2018-05-29 | 广州市尊浪电器有限公司 | Noise reducing sound box component |
| CN108093337B (en) * | 2017-12-23 | 2019-08-02 | 广州市尊浪电器有限公司 | Noise reducing sound box component |
| CN110481401A (en) * | 2018-05-15 | 2019-11-22 | 中国船舶重工集团公司第七一一研究所 | Active noise reduction headrest |
| CN110689873A (en) * | 2018-07-06 | 2020-01-14 | 广州小鹏汽车科技有限公司 | Active noise reduction method, device, equipment and medium |
| CN108810719A (en) * | 2018-08-29 | 2018-11-13 | 歌尔科技有限公司 | A kind of noise-reduction method, neckstrap formula earphone and storage medium |
| CN110719550A (en) * | 2019-10-21 | 2020-01-21 | 南京南大电子智慧型服务机器人研究院有限公司 | Virtual microphone optimization design method of double-channel active noise reduction headrest |
| WO2022047905A1 (en) * | 2020-09-01 | 2022-03-10 | 苏州中科速衡电子有限公司 | Active noise reduction module of acoustoelectric sensor and sound monitor |
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| C14 | Grant of patent or utility model | ||
| 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: 20160120 |