CN204993755U - Anti -interference stereo motion bluetooth headset that makes an uproar falls in electromagnetism intelligence - Google Patents
Anti -interference stereo motion bluetooth headset that makes an uproar falls in electromagnetism intelligence Download PDFInfo
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- CN204993755U CN204993755U CN201520654487.5U CN201520654487U CN204993755U CN 204993755 U CN204993755 U CN 204993755U CN 201520654487 U CN201520654487 U CN 201520654487U CN 204993755 U CN204993755 U CN 204993755U
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- Y02B60/50—
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- Telephone Function (AREA)
- Headphones And Earphones (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The utility model relates to an anti -interference stereo motion bluetooth headset that makes an uproar falls in electromagnetism intelligence, including the casing, set up at the positive earphone of casing and microphone, the setting volume buttons in the casing side, be equipped with central control unit in the casing, working power supply module, wireless communication module, audio frequency filter module and volume control module that central control unit includes central control system, voice output module, voice input module, is connected with central control system, voice output module and voice input module all are connected through audio frequency filter module and central control system, and this anti -interference stereo motion bluetooth headset that makes an uproar falls in electromagnetism intelligence is used for carrying out filtering to audio signal through audio frequency filter module to be handled, improve bluetooth headset's the interference killing feature of making an uproar that falls, improve user's speech quality, and wireless communication module adopts the low -power consumption chip simultaneously to reduce the consumption of earphone, but improved the continued work ability of earphone.
Description
Technical field
The utility model relates to the anti-interference stereo motion bluetooth earphone of a kind of electromagnetism Intelligent noise reduction.
Background technology
Along with the development of science and technology and the progress of society, power electronic technology obtains and develops fast, and various electronic product also arises at the historic moment thereupon.
Commercially, a lot of bluetooth earphone is also along with having occurred.But due to the seriousness of present electromagnetic interference, these bluetooth earphones are general for the filter capacity of signal, result in user in use bluetooth earphone process, often occur the phenomenons such as noise, which decrease the speech quality of user.And due to the power dissipation ratio of bluetooth earphone comparatively large, also have impact on the duration of call of bluetooth earphone, reduce the practicality of bluetooth earphone.
Utility model content
The technical problems to be solved in the utility model is: in order to overcome prior art signal filtering ability and the general deficiency of sustainable ability to work, provide the electromagnetism Intelligent noise reduction that a kind of signal filtering ability is strong and sustainable ability to work is high anti-interference stereo motion bluetooth earphone.
The utility model solves the technical scheme that its technical problem adopts: the anti-interference stereo motion bluetooth earphone of a kind of electromagnetism Intelligent noise reduction, comprise housing, be arranged on receiver and the microphone in housing front, be arranged on the volume knob of housing side, central control unit is provided with in described housing, described central control unit comprises central control system, voice output module, voice input module, the working power module be connected with central control system, wireless communication module, audio frequency filtration module and volume adjusting module, described voice output module is all connected with central control system by audio frequency filtration module with voice input module, described receiver is electrically connected with voice output module, described microphone is electrically connected with voice input module, described volume knob is electrically connected with volume adjusting module,
Described audio frequency filtration module comprises audio frequency filter circuit, described audio frequency filter circuit comprises the first operational amplifier, second operational amplifier, 3rd operational amplifier, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, first electric capacity, second electric capacity, 3rd electric capacity, 4th electric capacity and the 5th electric capacity, the inverting input of described first operational amplifier is connected with the first resistance, described first electric capacity and the first resistor coupled in parallel, the inverting input of described first operational amplifier is connected with the inverting input of the 3rd operational amplifier with the series circuit that the 5th electric capacity forms by the first resistance, the in-phase input end of described first operational amplifier, the in-phase input end of the second operational amplifier and the equal ground connection of in-phase input end of the 3rd operational amplifier, the inverting input of described first operational amplifier is connected with the output of the first operational amplifier by the second electric capacity, the inverting input of described first operational amplifier is connected with the output of the 3rd operational amplifier by the 4th electric capacity, described 5th resistance and the 4th Capacitance parallel connection, the output of described first operational amplifier is connected with the inverting input of the second operational amplifier by the second resistance, the inverting input of described second operational amplifier is connected with the output of the second operational amplifier by the 3rd resistance, the output of described second operational amplifier is connected with the inverting input of the 3rd operational amplifier by the 4th resistance, the inverting input of described 3rd operational amplifier is connected with the output of the 3rd operational amplifier by the 3rd electric capacity.
As preferably, in order to improve the sustainable ability to work of earphone, be provided with storage battery in described housing, described storage battery is electrically connected with working power module.
As preferably, in order to improve the reliability of transmission of wireless signals, described wireless communication module is by Bluetooth transmission wireless signal.
As preferably, in order to improve stability and the antijamming capability of audio frequency filter circuit, the temperature drift coefficient of described first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance is 5%ppm.
As preferably, the model of described first operational amplifier, the second operational amplifier and the 3rd operational amplifier is LMV324.
As preferably, in order to reduce the power consumption of bluetooth earphone, improve the sustainable ability to work of earphone, the chip model that described wireless communication module adopts is CC2540F128.
The beneficial effects of the utility model are, the anti-interference stereo motion bluetooth earphone of this electromagnetism Intelligent noise reduction is used for carrying out filtering process to audio signal by audio frequency filtration module, improve the noise reduction antijamming capability of bluetooth earphone, improve the speech quality of user, wireless communication module adopts low-power chip simultaneously, thus reduce the power consumption of earphone, improve the sustainable ability to work of earphone.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the anti-interference stereo motion bluetooth earphone of the utility model electromagnetism Intelligent noise reduction;
Fig. 2 is the circuit theory diagrams of the audio frequency filter circuit of the anti-interference stereo motion bluetooth earphone of the utility model electromagnetism Intelligent noise reduction;
Fig. 3 is the systematic schematic diagram of the anti-interference stereo motion bluetooth earphone of the utility model electromagnetism Intelligent noise reduction;
In figure: 1. housing, 2. receiver, 3. volume knob, 4. microphone, 5. central control system, 6. working power module, 7. wireless communication module, 8. voice output module, 9. voice input module, 10. audio frequency filtration module, 11. volume adjusting module, 12. storage batterys, U1. the first operational amplifier, U2. the second operational amplifier, U3. the 3rd operational amplifier, R1. the first resistance, R2. the second resistance, R3. the 3rd resistance, R4. the 4th resistance, R5. the 5th resistance, C1. the first electric capacity, C2. the second electric capacity, C3. the 3rd electric capacity, C4. the 4th electric capacity, C5. the 5th electric capacity.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1-Figure 3, the anti-interference stereo motion bluetooth earphone of a kind of electromagnetism Intelligent noise reduction, comprise housing 1, be arranged on receiver 2 and the microphone 4 in housing 1 front, be arranged on the volume knob 3 of housing 1 side, central control unit is provided with in described housing 1, described central control unit comprises central control system 5, voice output module 8, voice input module 9, the working power module 6 be connected with central control system 5, wireless communication module 7, audio frequency filtration module 10 and volume adjusting module 11, described voice output module 8 is all connected with central control system 5 by audio frequency filtration module 10 with voice input module 9, described receiver 2 is electrically connected with voice output module 8, described microphone 4 is electrically connected with voice input module 9, described volume knob 3 is electrically connected with volume adjusting module 11,
Described audio frequency filtration module 10 comprises audio frequency filter circuit, described audio frequency filter circuit comprises the first operational amplifier U1, second operational amplifier U2, 3rd operational amplifier U3, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4 and the 5th electric capacity C5, the inverting input of described first operational amplifier U1 is connected with the first resistance R1, described first electric capacity C1 is in parallel with the first resistance R1, the inverting input of described first operational amplifier U1 is connected with the inverting input of the 3rd operational amplifier U3 with the series circuit that the 5th electric capacity C5 forms by the first resistance R1, the in-phase input end of described first operational amplifier U1, the in-phase input end of the second operational amplifier U2 and the equal ground connection of in-phase input end of the 3rd operational amplifier U3, the inverting input of described first operational amplifier U1 is connected with the output of the first operational amplifier U1 by the second electric capacity C2, the inverting input of described first operational amplifier U1 is connected with the output of the 3rd operational amplifier U3 by the 4th electric capacity C4, described 5th resistance R5 is in parallel with the 4th electric capacity C4, the output of described first operational amplifier U1 is connected with the inverting input of the second operational amplifier U2 by the second resistance R2, the inverting input of described second operational amplifier U2 is connected with the output of the second operational amplifier U2 by the 3rd resistance R3, the output of described second operational amplifier U2 is connected with the inverting input of the 3rd operational amplifier U3 by the 4th resistance R4, the inverting input of described 3rd operational amplifier U3 is connected with the output of the 3rd operational amplifier U3 by the 3rd electric capacity C3.
As preferably, in order to improve the sustainable ability to work of earphone, be provided with storage battery 12 in described housing 1, described storage battery 12 is electrically connected with working power module 6.
As preferably, in order to improve the reliability of transmission of wireless signals, described wireless communication module 7 is by Bluetooth transmission wireless signal.
As preferably, in order to improve stability and the antijamming capability of audio frequency filter circuit, the temperature drift coefficient of described first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5 is 5%ppm.
As preferably, the model of described first operational amplifier U1, the second operational amplifier U2 and the 3rd operational amplifier U3 is LMV324.
As preferably, in order to reduce the power consumption of bluetooth earphone, improve the sustainable ability to work of earphone, the chip model that described wireless communication module 7 adopts is CC2540F128.
In the anti-interference stereo motion bluetooth earphone of this electromagnetism Intelligent noise reduction: voice output module 8 and voice input module 9, for controlling the work of receiver 2 and microphone 4, ensure that the speech quality of user; Working power module 6, for providing power supply to modules, ensures the normal work of earphone; Wireless communication module 7 for smart mobile phone wireless connections; Audio frequency filtration module 10, for carrying out filtering process to audio signal, improves the noise reduction antijamming capability of bluetooth earphone, improves the speech quality of user; Volume adjusting module 11, for controlling volume knob 3, regulates volume.The chip model that wherein wireless communication module 7 adopts is CC2540F128, it has low power system, ultralow sleep pattern and the super low-power consumption of operational mode and conversion furthermore achieved that low-power consumption, thus reduce the power consumption of earphone, improve the sustainable ability to work of earphone.
Compared with prior art, the anti-interference stereo motion bluetooth earphone of this electromagnetism Intelligent noise reduction by audio frequency filtration module 10 for carrying out filtering process to audio signal, improve the noise reduction antijamming capability of bluetooth earphone, improve the speech quality of user, wireless communication module 7 adopts low-power chip simultaneously, thus reduce the power consumption of earphone, improve the sustainable ability to work of earphone.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine its technical scope according to right.
Claims (6)
1. the anti-interference stereo motion bluetooth earphone of electromagnetism Intelligent noise reduction, it is characterized in that, comprise housing (1), be arranged on receiver (2) and the microphone (4) in housing (1) front, be arranged on the volume knob (3) of housing (1) side, described housing is provided with central control unit in (1), described central control unit comprises central control system (5), voice output module (8), voice input module (9), the working power module (6) be connected with central control system (5), wireless communication module (7), audio frequency filtration module (10) and volume adjusting module (11), described voice output module (8) is all connected with central control system (5) by audio frequency filtration module (10) with voice input module (9), described receiver (2) is electrically connected with voice output module (8), described microphone (4) is electrically connected with voice input module (9), described volume knob (3) is electrically connected with volume adjusting module (11),
Described audio frequency filtration module (10) comprises audio frequency filter circuit, described audio frequency filter circuit comprises the first operational amplifier (U1), second operational amplifier (U2), 3rd operational amplifier (U3), first resistance (R1), second resistance (R2), 3rd resistance (R3), 4th resistance (R4), 5th resistance (R5), first electric capacity (C1), second electric capacity (C2), 3rd electric capacity (C3), 4th electric capacity (C4) and the 5th electric capacity (C5), the inverting input of described first operational amplifier (U1) is connected with the first resistance (R1), described first electric capacity (C1) is in parallel with the first resistance (R1), the inverting input of described first operational amplifier (U1) is connected with the inverting input of the 3rd operational amplifier (U3) with the series circuit that the 5th electric capacity (C5) forms by the first resistance (R1), the in-phase input end of described first operational amplifier (U1), the in-phase input end of the second operational amplifier (U2) and the equal ground connection of in-phase input end of the 3rd operational amplifier (U3), the inverting input of described first operational amplifier (U1) is connected with the output of the first operational amplifier (U1) by the second electric capacity (C2), the inverting input of described first operational amplifier (U1) is connected with the output of the 3rd operational amplifier (U3) by the 4th electric capacity (C4), described 5th resistance (R5) is in parallel with the 4th electric capacity (C4), the output of described first operational amplifier (U1) is connected with the inverting input of the second operational amplifier (U2) by the second resistance (R2), the inverting input of described second operational amplifier (U2) is connected with the output of the second operational amplifier (U2) by the 3rd resistance (R3), the output of described second operational amplifier (U2) is connected with the inverting input of the 3rd operational amplifier (U3) by the 4th resistance (R4), the inverting input of described 3rd operational amplifier (U3) is connected with the output of the 3rd operational amplifier (U3) by the 3rd electric capacity (C3).
2. the anti-interference stereo motion bluetooth earphone of electromagnetism Intelligent noise reduction as claimed in claim 1, it is characterized in that, be provided with storage battery (12) in described housing (1), described storage battery (12) is electrically connected with working power module (6).
3. the anti-interference stereo motion bluetooth earphone of electromagnetism Intelligent noise reduction as claimed in claim 1, it is characterized in that, described wireless communication module (7) is by Bluetooth transmission wireless signal.
4. the anti-interference stereo motion bluetooth earphone of electromagnetism Intelligent noise reduction as claimed in claim 1, it is characterized in that, the temperature drift coefficient of described first resistance (R1), the second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4), the 5th resistance (R5) is 5%ppm.
5. the anti-interference stereo motion bluetooth earphone of electromagnetism Intelligent noise reduction as claimed in claim 1, it is characterized in that, the model of described first operational amplifier (U1), the second operational amplifier (U2) and the 3rd operational amplifier (U3) is LMV324.
6. the anti-interference stereo motion bluetooth earphone of electromagnetism Intelligent noise reduction as claimed in claim 1, it is characterized in that, the chip model that described wireless communication module (7) adopts is CC2540F128.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654487.5U CN204993755U (en) | 2015-08-27 | 2015-08-27 | Anti -interference stereo motion bluetooth headset that makes an uproar falls in electromagnetism intelligence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654487.5U CN204993755U (en) | 2015-08-27 | 2015-08-27 | Anti -interference stereo motion bluetooth headset that makes an uproar falls in electromagnetism intelligence |
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| Publication Number | Publication Date |
|---|---|
| CN204993755U true CN204993755U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520654487.5U Expired - Fee Related CN204993755U (en) | 2015-08-27 | 2015-08-27 | Anti -interference stereo motion bluetooth headset that makes an uproar falls in electromagnetism intelligence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371384A (en) * | 2016-09-07 | 2017-02-01 | 深圳市中科智诚科技有限公司 | Intelligent monitoring system based on wireless communication technology |
-
2015
- 2015-08-27 CN CN201520654487.5U patent/CN204993755U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106371384A (en) * | 2016-09-07 | 2017-02-01 | 深圳市中科智诚科技有限公司 | Intelligent monitoring system based on wireless communication technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 Termination date: 20190827 |