CN205081922U - Automatic motion bluetooth headset who falls function of making an uproar in area - Google Patents
Automatic motion bluetooth headset who falls function of making an uproar in area Download PDFInfo
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- CN205081922U CN205081922U CN201520733793.8U CN201520733793U CN205081922U CN 205081922 U CN205081922 U CN 205081922U CN 201520733793 U CN201520733793 U CN 201520733793U CN 205081922 U CN205081922 U CN 205081922U
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Abstract
The utility model provides an automatic motion bluetooth headset who falls function of making an uproar in area, include: meet audio source, it is right the audio noise of audio source output carries out the neutralization and falls the automatic noise reduction module who makes an uproar, with automatic noise reduction module connects, for the USB of the automatic noise reduction module power supply module of charging. The embodiment of the utility model provides a through setting up automatic noise reduction module, realized that it falls and make an uproar to carry out the neutralization to the audio noise, avoid receiving the effect of noise jamming. In addition, through USB charge the module can realize anytime and anywhere to the motion bluetooth headset charge and data transmission. The embodiment of the utility model provides a realize simply need not increasing extra hardware, effectively reduce cost has stronger ease for use and practicality.
Description
Technical field
The utility model relates to earphone, particularly relates to a kind of motion bluetooth earphone with automatic decrease of noise functions.
Background technology
Electronic equipment is more and more universal, and electronic equipment is just towards diversified development, and a lot of electronic equipment has simultaneously takes pictures, the function such as audio and video playing and network browsing.When using electronic equipment to carry out audio and video playing, often use earphone, earphone can be used for listening to audio, but also have received noise in the process of listening to audio.Particularly when Mike's Received signal strength appended by earphone or when receiving FM signal, noise jamming is especially serious.
Utility model content
The utility model object is to provide a kind of motion bluetooth earphone with automatic decrease of noise functions, solves if be intended to the problem being subject to noise jamming when using earphone listening to audio.
The utility model provides a kind of motion bluetooth earphone with automatic decrease of noise functions, comprising:
Connect audio-source, during the audio-frequency noise exported described audio-source carries out and the automatic noise reduction module of noise reduction;
Being connected with described automatic noise reduction module, is the USB charging module that described automatic noise reduction module is powered.
In said structure, described automatic noise reduction module comprises a control master chip U1, and described control master chip U1 comprises:
L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P and R channel negative feedback end MIC3P, voice call end MIC4P and dead end MIC5P;
Described L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P and R channel negative feedback end MIC3P, voice call end MIC4P and dead end MIC5P connect described audio-source respectively by electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5 and electric capacity C6.
In said structure, described USB charging module comprises a USB charging chip U2, and described USB charging chip U2 comprises:
Second charge data positive signal end USB_dp and the second charge data negative signal end USB_dm;
Described second charge data positive signal end USB_dp meets the first charge data positive signal end USB_DP of described control master chip U1, and described second charge data negative signal end USB_dm meets the first charge data negative signal end USB_DM of described control master chip U1.
In said structure, the motion bluetooth earphone of the automatic decrease of noise functions of described band also comprises:
Be connected with described automatic noise reduction module, in order to carry out the bluetooth module of data interaction with external electronic device.
In said structure, described bluetooth module adopts Bluetooth chip U3, and the second receiving terminal pin LX_UART_rx, the second transmission ends pin LX_UART_tx, second of described Bluetooth chip U3 eliminate the first receiving terminal pin LX_UART_RX, the first transmission ends pin LX_UART_TX, the first elimination transmitting terminal pin LX_UART_CTS and first request transmitting terminal pin LX_UART_PTS that transmitting terminal pin LX_UART_cts and second request transmitting terminal pin LX_UART_pts meets control master chip U1 respectively.
The utility model embodiment, by arranging automatic noise reduction module, achieves in carrying out audio-frequency noise and noise reduction, avoids the effect being subject to noise jamming.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of a kind of motion bluetooth earphone inside with automatic decrease of noise functions of the utility model;
Fig. 2 is the circuit connection structure schematic diagram of a kind of motion bluetooth earphone inside with automatic decrease of noise functions of the utility model.
Embodiment
In order to make the technical problems to be solved in the utility model, technical scheme and beneficial effect 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.
Fig. 1 shows the modular structure of a kind of motion bluetooth earphone with automatic decrease of noise functions of the utility model, for convenience of explanation, illustrate only the part relevant to the utility model embodiment.
A kind of motion bluetooth earphone 10 with automatic decrease of noise functions comprises automatic noise reduction module 101, USB charging module 102 and bluetooth module 103.Automatic noise reduction module 101 was both connected with USB charging module 102, was connected again with bluetooth module 103.And automatic noise reduction module 101 connects audio-source.USB charging module 102 is powered directly to automatic noise reduction module 101, and powers indirectly to bluetooth module 103 by automatic noise reduction module 101 and the connection of bluetooth module 103.The effect of automatic noise reduction module 101 is the interference that automatically can reduce noise when user uses earphone listening to audio, makes user experience auditory effect better.And the effect of bluetooth module 103 can carry out Bluetooth matching with other electronic equipment such as mobile phone, flat board etc., play the effect of data cube computation or call.
Fig. 2 shows the circuit connection structure of a kind of motion bluetooth earphone with automatic decrease of noise functions that the utility model embodiment provides, and for convenience of explanation, illustrate only the part relevant to the utility model embodiment.
As the utility model one embodiment, automatic noise reduction module 101 comprises a control master chip U1, the left side of described control master chip U1 is provided with multiple pin, is respectively L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P, R channel negative feedback end MIC3P, voice call end MIC4P, dead end MIC5P, the first charge data positive signal end USB_DP and the first charge data negative signal end USB_DM.L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P, R channel negative feedback end MIC3P, voice call end MIC4P, dead end MIC5P, the first charge data positive signal end USB_DP and the first charge data negative signal end USB_DM present under be arranged in order.The right side of control master chip U1 is provided with multiple pin equally, and it is respectively the first receiving terminal pin LX_UART_RX, the first transmission ends pin LX_UART_TX, first and eliminates transmitting terminal pin LX_UART_CTS and first request transmitting terminal pin LX_UART_PTS.First receiving terminal pin LX_UART_RX, the first transmission ends pin LX_UART_TX, first eliminate transmitting terminal pin LX_UART_CTS and first request transmitting terminal pin LX_UART_PTS be also present under be arranged in order.In the present embodiment, control the main control chip that master chip U1 have employed model AV3200, certainly, the model of main control chip does not limit, and also can as long as can reach the function controlled described in master chip U1 with the present embodiment.
L channel positive feedback end MIC0P on described control master chip U1, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P, R channel negative feedback end MIC3P, voice call end MIC4P and dead end MIC5P connect described audio-source respectively by electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5 and electric capacity C6, and the capacity of each electric capacity and C1, C2, C3, C4, C5 and C6 is 1uF.
L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P and R channel negative feedback end MIC3P role are decrease of noise functions, namely equal reverse sound wave can be produced according to the ambient noise of sound when audio-source is entered into controlled master chip U1 by L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P and R channel negative feedback end MIC3P, noise is neutralized, thus realizes the effect of noise reduction.Because motion bluetooth earphone has L channel and R channel, each sound channel controls its audio frequency by two terminals, namely L channel positive feedback end MIC0P and L channel negative feedback end MIC1P controls L channel, and in L channel positive feedback end MIC0P and L channel negative feedback end MIC1P, having one to be degeneration factor for positive feedback system and one, both complement each other; Similarly, R channel positive feedback end MIC2P and R channel negative feedback end MIC3P control R channel, and have in R channel positive feedback end MIC2P and R channel negative feedback end MIC3P one for positive feedback system and one be degeneration factor, both complement each other.Voice call end MIC4P role is call function, and namely the microphone of motion bluetooth earphone carries out language transmission by controlling voice call end MIC4P on master chip U1.Dead end MIC5P is dead end, spare terminal can be done use, satisfy the demand when motion bluetooth earphone needs to arrange dead end MIC5P by programming during extra increase function, or dead end MIC5P also can be allowed to supplement in time when any audio terminal in L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P, R channel negative feedback end MIC3P and voice call end MIC4P breaks down.
As the utility model one embodiment, USB charging module 102 comprises a USB charging chip U2, described USB charging chip U2 comprises the second charge data positive signal end USB_dp and the second charge data negative signal end USB_dm, and described second charge data positive signal end USB_dp and the second charge data negative signal end USB_dm connects respectively and controls the first charge data positive signal end USB_DP on master chip U1 and the first charge data negative signal end USB_DM.The line of the second charge data positive signal end USB_dp, the second charge data negative signal end USB_dm, the first charge data positive signal end USB_DP and the first charge data negative signal end USB_DM forms loop in the lump, thus plays and power and the effect of transfer of data to controlling master chip U1.
As the utility model one embodiment, bluetooth module 103 comprises a Bluetooth chip U3, described Bluetooth chip U3 is provided with multiple pin, and it is respectively the second receiving terminal pin LX_UART_rx, the second transmission ends pin LX_UART_tx, second and eliminates transmitting terminal pin LX_UART_cts and second request transmitting terminal pin LX_UART_pts.Described second receiving terminal pin LX_UART_rx, described second transmission ends pin LX_UART_tx, described second eliminate transmitting terminal pin LX_UART_cts and described second request transmitting terminal pin LX_UART_pts present under be arranged in order.The second receiving terminal pin LX_UART_rx on Bluetooth chip U3, the second transmission ends pin LX_UART_tx, second eliminate transmitting terminal pin LX_UART_cts and second request transmitting terminal pin LX_UART_pts and meet the first receiving terminal pin LX_UART_RX, the first transmission ends pin LX_UART_TX controlled on master chip U1, the first elimination transmitting terminal pin LX_UART_CTS and first request transmitting terminal pin LX_UART_PTS respectively.Control master chip U1 and control Bluetooth chip U3 by the first receiving terminal pin LX_UART_RX, the first transmission ends pin LX_UART_TX, the first elimination transmitting terminal pin LX_UART_CTS and first request transmitting terminal pin LX_UART_PTS function separately, thus realize motion bluetooth earphone can carry out Bluetooth matching and data interaction function by Bluetooth chip U3 and outside electronic equipment etc.In the present embodiment, Bluetooth chip U3 have employed bluetooth drive circuit chip CC256X, and certainly, the model of Bluetooth chip does not limit, and also can with the function described in the present embodiment Bluetooth chip U3 as long as can reach.
The operation principle of a kind of motion bluetooth earphone with automatic decrease of noise functions that the utility model provides is:
First opening movement bluetooth earphone, because L channel positive feedback end MIC0P and L channel negative feedback end MIC1P connects audio-source respectively by electric capacity C1, C2, controlling L channel when there being outside noise to disturb by the L channel positive feedback end MIC0P in the middle of automatic noise reduction module control master chip U1 and L channel negative feedback end MIC1P, making in it and noise; Equally, R channel positive feedback end MIC2P and R channel negative feedback end MIC3P connects audio-source respectively by electric capacity C3, C4, R channel is controlled by the R channel positive feedback end MIC2P in the middle of automatic noise reduction module control master chip U1 and R channel negative feedback end MIC3P, make in it and noise, serve the effect of automatic noise reduction, user can enjoy more beautiful tonequality when answering audio frequency.Meanwhile, call pin and voice call end MIC4P connect audio-source by electric capacity C5, can realize the function of carrying out language transmission with outside.
Secondly, second receiving terminal pin LX_UART_rx, the second transmission ends pin LX_UART_tx of Bluetooth chip U3, the second elimination transmitting terminal pin LX_UART_cts and second request transmitting terminal pin LX_UART_pts meet the first receiving terminal pin LX_UART_RX, the first transmission ends pin LX_UART_TX controlled on master chip U1, first respectively and eliminate transmitting terminal pin LX_UART_CTS and first request transmitting terminal pin LX_UART_PTS, make motion bluetooth earphone can be carried out the function of Bluetooth matching and data interaction by Bluetooth chip U3 and outside electronic equipment etc.
Again, in use, the second charge data positive signal end USB_dp of USB charging chip U2 and the second charge data negative signal end USB_dm connects respectively and controls the first charge data positive signal end USB_DP on master chip U1 and the first charge data negative signal end USB_DM, can realize giving automatic noise reduction module 101 by USB charging module 102 anywhere or anytime to charge, or USB interface can carry out the effect of transfer of data when being linked in the middle of electronic equipment, such as, for motion bluetooth earphone increases the song etc. that user oneself likes.
In sum, the utility model embodiment, by arranging automatic noise reduction module, achieves in carrying out audio-frequency noise and noise reduction, avoids the effect being subject to noise jamming.In automatic noise reduction module, equal reverse sound wave is produced according to the ambient noise of sound by L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P and R channel negative feedback end MIC3P, can realize in motion bluetooth earphone is when there being outside noise to disturb and noise, automatically noise reduction, thus the tonequality that earphone is play is better.By being provided with bluetooth module, may be used for carrying out Bluetooth matching and data interaction with other electronic equipment outside.In addition, can realize charging and transfer of data to motion bluetooth earphone whenever and wherever possible by USB charging module.The utility model embodiment realizes simple, and not needing increases extra hardware, effectively can reduce costs, have stronger ease for use and practicality.
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 (5)
1. be with a motion bluetooth earphone for automatic decrease of noise functions, it is characterized in that, comprising:
Connect audio-source, during the audio-frequency noise exported described audio-source carries out and the automatic noise reduction module of noise reduction;
Being connected with described automatic noise reduction module, is the USB charging module that described automatic noise reduction module is powered.
2. the motion bluetooth earphone of the automatic decrease of noise functions of band as claimed in claim 1, it is characterized in that, described automatic noise reduction module comprises a control master chip U1, and described control master chip U1 comprises:
L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P and R channel negative feedback end MIC3P, voice call end MIC4P and dead end MIC5P;
Described L channel positive feedback end MIC0P, L channel negative feedback end MIC1P, R channel positive feedback end MIC2P and R channel negative feedback end MIC3P, voice call end MIC4P and dead end MIC5P connect described audio-source respectively by electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5 and electric capacity C6.
3. the motion bluetooth earphone of the automatic decrease of noise functions of band as claimed in claim 2, it is characterized in that, described USB charging module comprises a USB charging chip U2, and described USB charging chip U2 comprises:
Second charge data positive signal end USB_dp and the second charge data negative signal end USB_dm;
Described second charge data positive signal end USB_dp meets the first charge data positive signal end USB_DP of described control master chip U1, and described second charge data negative signal end USB_dm meets the first charge data negative signal end USB_DM of described control master chip U1.
4. the motion bluetooth earphone of the automatic decrease of noise functions of band as claimed in claim 2, it is characterized in that, the motion bluetooth earphone of the automatic decrease of noise functions of described band also comprises:
Be connected with described automatic noise reduction module, in order to carry out the bluetooth module of data interaction with external electronic device.
5. the motion bluetooth earphone of the automatic decrease of noise functions of band as claimed in claim 4, it is characterized in that, described bluetooth module adopts Bluetooth chip U3, the second receiving terminal pin LX_UART_rx of described Bluetooth chip U3, second transmission ends pin LX_UART_tx, second eliminates transmitting terminal pin LX_UART_cts and second request transmitting terminal pin LX_UART_pts meets the first receiving terminal pin LX_UART_RX controlling master chip U1 respectively, first transmission ends pin LX_UART_TX, first eliminates transmitting terminal pin LX_UART_CTS and first request transmitting terminal pin LX_UART_PTS.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733793.8U CN205081922U (en) | 2015-09-21 | 2015-09-21 | Automatic motion bluetooth headset who falls function of making an uproar in area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733793.8U CN205081922U (en) | 2015-09-21 | 2015-09-21 | Automatic motion bluetooth headset who falls function of making an uproar in area |
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| CN205081922U true CN205081922U (en) | 2016-03-09 |
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| CN201520733793.8U Active CN205081922U (en) | 2015-09-21 | 2015-09-21 | Automatic motion bluetooth headset who falls function of making an uproar in area |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391870A (en) * | 2018-11-10 | 2019-02-26 | 东莞市华睿电子科技有限公司 | A method of it is played based on human motion state self-regulation earpiece audio signal |
| CN110300344A (en) * | 2019-03-25 | 2019-10-01 | 深圳市增长点科技有限公司 | Adaptive noise reduction earphone |
| CN111586522A (en) * | 2020-05-20 | 2020-08-25 | 歌尔科技有限公司 | Earphone noise reduction method, earphone noise reduction device, earphone and storage medium |
-
2015
- 2015-09-21 CN CN201520733793.8U patent/CN205081922U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391870A (en) * | 2018-11-10 | 2019-02-26 | 东莞市华睿电子科技有限公司 | A method of it is played based on human motion state self-regulation earpiece audio signal |
| CN110300344A (en) * | 2019-03-25 | 2019-10-01 | 深圳市增长点科技有限公司 | Adaptive noise reduction earphone |
| CN111586522A (en) * | 2020-05-20 | 2020-08-25 | 歌尔科技有限公司 | Earphone noise reduction method, earphone noise reduction device, earphone and storage medium |
| CN111586522B (en) * | 2020-05-20 | 2022-04-15 | 歌尔科技有限公司 | Earphone noise reduction method, earphone noise reduction device, earphone and storage medium |
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Address after: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Patentee after: SHENZHE GUANXU ELECTRONIC CO., LTD. Address before: Longgang District of Shenzhen City, Guangdong province 518116 Ping Street Takahashi Industrial Park East Area Patentee before: Shenzhen Grandsun Electronic Co., Ltd. |