CN210868121U - TWS bluetooth headset of making an uproar falls in two microphones - Google Patents
TWS bluetooth headset of making an uproar falls in two microphones Download PDFInfo
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- CN210868121U CN210868121U CN202020207438.8U CN202020207438U CN210868121U CN 210868121 U CN210868121 U CN 210868121U CN 202020207438 U CN202020207438 U CN 202020207438U CN 210868121 U CN210868121 U CN 210868121U
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Abstract
The utility model provides a TWS bluetooth headset of making an uproar falls in two microphones, including the main microphone that is used for gathering first audio frequency and the follow microphone that is used for gathering the second audio frequency, and be used for the main audio frequency and carry out the main control board that contrasts processing from the audio frequency, main microphone is connected with the first interface electricity of main control board, the second interface electricity from microphone and main control board is connected, main microphone and from the distance between the microphone be greater than α mm, through set up two microphones in bluetooth headset, two microphones all encapsulate alone simultaneously, the sound insulation effect of microphone has been improved, still control the distance of two microphones to certain big, the theory of operation that falls the noise of two microphones fully uses on current wireless ears bluetooth headset, compare in the wireless ears bluetooth headset among the prior art and all adopt single microphone, can provide better noise reduction function.
Description
Technical Field
The utility model relates to a bluetooth headset field, concretely relates to TWS bluetooth headset of making an uproar falls in two microphones.
Background
The Bluetooth headset applies the Bluetooth technology to a hands-free headset, so that a user can avoid annoying wiring stumbling and can easily talk freely in various modes, and the Bluetooth headset is a good tool for improving the efficiency of an action business family since the Bluetooth headset comes out;
the dual-microphone noise reduction technology is the most common noise reduction technology applied in large scale, one microphone is a microphone used in common user communication and used for collecting human voice, and the other microphone arranged at the top end of the machine body has a background noise collection function and is convenient for collecting ambient noise; however, the prior art has not applied the dual-microphone noise reduction to the bluetooth headset.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a, solved and not fallen the noise of two wheat and fall among the prior art and be applied to bluetooth headset.
The technical scheme of the utility model is realized like this: a TWS Bluetooth headset with double microphones for noise reduction comprises a main microphone for collecting first audio, a slave microphone for collecting second audio and a main control panel for comparing the main audio and the slave audio;
the main microphone is electrically connected with the first interface of the main control board, the auxiliary microphone is electrically connected with the second interface of the main control board, and the distance between the main microphone and the auxiliary microphone is larger than α mm.
Preferably, the hand-held device further comprises a front shell, a rear shell and a hand-held part connected with the rear shell, wherein the front shell is clamped with the rear shell.
Preferably, the handheld microphone further comprises a first packaging shell for packaging the main microphone, the first packaging shell is sleeved on the main microphone, and the main microphone is fixed at the bottom of the handheld part.
Preferably, the microphone also comprises a second packaging shell for packaging the slave microphone, the second packaging shell is sleeved on the slave microphone, and the slave microphone is fixed on the inner wall of the rear shell.
Preferably, the microphone also comprises a first FPC wire penetrating through the handheld part, one end of the first FPC wire is electrically connected with the slave microphone, and the other end of the first FPC wire is electrically connected with the main control board.
Preferably, the system further comprises a transmitting circuit;
one end of the telephone transmission circuit is electrically connected with the main microphone, and the other end of the telephone transmission circuit is electrically connected with the main control panel.
Preferably, the device further comprises a noise detection circuit;
one end of the noise detection circuit is electrically connected with the slave microphone, and the other end of the noise detection circuit is electrically connected with the main control panel.
Preferably, the device also comprises a photodiode and a photodiode control circuit;
one end of the photodiode control circuit is electrically connected with the photodiode, and the other end of the photodiode control circuit is electrically connected with the main control board.
Preferably, the charging device further comprises a battery, a charging thimble and a battery protection circuit;
one end of the battery protection circuit is electrically connected with the battery and the charging thimble, and the other end of the battery protection circuit is electrically connected with the main control board.
Furthermore, the photodiode, the battery, the charging thimble, the main microphone and the auxiliary microphone are electrically connected with the main control panel through the FPC.
Compared with the prior art, the utility model has the advantages of it is following: through set up two microphones in bluetooth headset, two microphones all encapsulate alone simultaneously, have improved the syllable-dividing effect of microphone, still control the distance of two microphones to certain big, fall the theory of operation that the two microphones were fallen the noise and on fully using current wireless ears bluetooth headset, compare in wireless ears bluetooth headset among the prior art all adopt single microphone, can provide the better function of falling the noise.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is an exploded view of a two-microphone noise reduction TWS bluetooth headset structure of the present invention;
fig. 2 is a schematic circuit logic diagram of a dual microphone noise reduction TWS bluetooth headset according to the present invention;
fig. 3 is a circuit diagram of a two-microphone noise reduction TWS bluetooth headset of the present invention;
fig. 4 is a circuit diagram of a noise detection circuit of a TWS bluetooth headset with dual microphones for noise reduction according to the present invention;
fig. 5 is a circuit diagram of a diode control circuit of a TWS bluetooth headset with dual microphones for noise reduction according to the present invention;
fig. 6 is a battery protection circuit diagram of a TWS bluetooth headset with dual microphones for noise reduction according to the present invention;
fig. 7 is a three-dimensional structure diagram of the two-microphone noise reduction TWS bluetooth headset of the present invention.
The attached drawings are as follows: 1, a main control board; 2 a primary microphone; 3 a slave microphone; 4 a second package housing; 5 a first package housing; 6, a shell; 61 a front housing; 62 a rear housing; 63 a hand-held portion; 7 a first FPC line; 8 second FPC lines.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Refer to FIGS. 1-7; a TWS Bluetooth headset with double microphones for noise reduction comprises a main microphone for collecting first audio, a slave microphone for collecting second audio and a main control panel for comparing the main audio and the slave audio; the main control board is provided with a main control circuit, and the main control circuit collects data of each circuit and sends a control instruction to control each circuit.
The main microphone is electrically connected with the first interface of the main control board, the auxiliary microphone is electrically connected with the second interface of the main control board, the distance between the main microphone and the auxiliary microphone is larger than α mm, wherein α is preferably 20-25, and when the distance between the two microphones is controlled to be longer, the accuracy of the microphones for collecting audio can be improved, and clearer audio is provided for double-microphone noise reduction.
The main microphone is used for collecting a main audio frequency and sending the main audio frequency to the main control circuit, the auxiliary microphone is used for collecting an auxiliary audio frequency and sending the auxiliary audio frequency to the main control circuit, and the main control circuit compares the main audio frequency with the auxiliary audio frequency and outputs a noise reduction audio frequency; the main microphone is arranged at the bottom end of the handheld part and is close to the mouth of a human body, so that the main audio of the speaking of a user can be better collected, the auxiliary microphone is arranged on the inner wall of the rear shell of the earphone, and the auxiliary microphone is far away from the mouth of the human body and can well collect the auxiliary audio in the environment; when the main audio and the slave audio are input to the main control circuit together, the main control circuit can compare the main audio collected by the main microphone with the slave audio collected by the slave microphone through contrast analysis processing, the part of the main audio collected by the main microphone is filtered from the slave audio, and clear conversation audio can be sent out.
Preferably, the hand-held device further comprises a front shell, a rear shell and a hand-held part connected with the rear shell, wherein the front shell is clamped with the rear shell.
Preferably, the handheld microphone further comprises a first packaging shell for packaging the main microphone, the first packaging shell is sleeved on the main microphone, and the main microphone is fixed at the bottom of the handheld part; the bottom end of the handheld part is also provided with a main microphone hole which is used for corresponding to the position of the main microphone and is beneficial to the main microphone to collect audio;
preferably, the microphone also comprises a second packaging shell for packaging the slave microphone, the second packaging shell is sleeved on the slave microphone, and the slave microphone is fixed on the inner wall of the rear shell; the rear shell is also provided with a slave microphone hole which is used for corresponding to the position of the slave microphone and is beneficial to collecting audio from the microphone;
the arrangement of the first packaging shell and the second packaging shell can well isolate the microphone, and the main microphone hole and the slave microphone hole are matched, so that the main microphone and the slave microphone can collect audio only from the microphone hole, and the accuracy of the audio is greatly increased.
Furthermore, still including wearing the first FPC line in handheld portion, first FPC line one end is connected with from microphone electricity, and its other end is connected with the main control board electricity.
Further, the telephone further comprises a transmitting circuit; one end of the telephone transmission circuit is electrically connected with the main microphone, and the other end of the telephone transmission circuit is electrically connected with the main control panel; the transmitting circuit is mainly used for collecting the communication audio of the main microphone and is used for carrying out the main audio of the double-microphone noise reduction.
Furthermore, the device also comprises a noise detection circuit; one end of the noise detection circuit is electrically connected with the slave microphone, and the other end of the noise detection circuit is electrically connected with the main control panel; the noise detection circuit is mainly used for collecting the ambient audio from the microphone and is used for noise audio for noise reduction of the double microphones.
Further, the device also comprises a photodiode and a photodiode control circuit; one end of the photodiode control circuit is electrically connected with the photodiode, and the other end of the photodiode control circuit is electrically connected with the main control board; the photodiode can play a role in detecting the in-ear function of the earphone by matching with the photodiode control circuit, and the current use state of the earphone is determined.
Furthermore, the charging device also comprises a battery, a charging thimble and a battery protection circuit; one end of the battery protection circuit is electrically connected with the battery and the charging thimble, and the other end of the battery protection circuit is electrically connected with the main control board; the charging thimble is connected with the positive negative pole electricity of battery, and the thimble that charges is used for cooperating current earphone cabin body and charges.
Furthermore, the photodiode, the battery, the charging thimble and the slave microphone are all arranged on an auxiliary board, and the auxiliary board is electrically connected with the main control board through a second FPC; the design of subplate can reduce the volume size of main control board greatly, can be more three-dimensional simultaneously utilize the cavity in the bluetooth headset, can accomplish stromatolite assembly etc..
The bluetooth headset main control board among the prior art is established on a PCB board with other part major part, such setting up can lead to the PCB plate volume great, occupy the inside most space of earphone, can't install more other components, adopt FPC with main microphone, the photodiode is connected to the main control board with components such as thimble charge and realize the electricity and connect, just need not install too many components and parts on the main control board, only need draw control circuit etc. great utilization the limited inner space of bluetooth headset.
Compared with the prior art, the utility model has the advantages of it is following: through set up two microphones in bluetooth headset, two microphones all encapsulate alone simultaneously, have improved the syllable-dividing effect of microphone, still control the distance of two microphones to certain big, fall the theory of operation that the two microphones were fallen the noise and on fully using current wireless ears bluetooth headset, compare in wireless ears bluetooth headset among the prior art all adopt single microphone, can provide the better function of falling the noise.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a TWS bluetooth headset of making an uproar falls in two microphones which characterized in that:
the main control board is used for comparing the main audio with the slave audio;
the main microphone is electrically connected with the first interface of the main control board, the auxiliary microphone is electrically connected with the second interface of the main control board, and the distance between the main microphone and the auxiliary microphone is larger than α mm.
2. The dual microphone noise reducing TWS bluetooth headset of claim 1, further comprising a front housing, a rear housing, and a hand piece connected to the rear housing, the front housing being snap-fit to the rear housing.
3. The dual microphone noise reducing TWS bluetooth headset of claim 2, further comprising a first housing for housing a primary microphone, the first housing being mounted over the primary microphone, the secondary microphone being secured to the bottom of the hand-held portion.
4. The dual-microphone noise-reducing TWS Bluetooth headset of claim 2, further comprising a first FPC wire extending through the handle, wherein one end of the first FPC wire is electrically connected to the slave microphone and the other end of the first FPC wire is electrically connected to the master control board.
5. The dual-microphone noise-reducing TWS Bluetooth headset of claim 2, further comprising a second housing for housing a secondary microphone, wherein the second housing is sleeved on the secondary microphone, and the primary microphone is fixed on the inner wall of the rear housing.
6. The dual microphone noise reducing TWS bluetooth headset of claim 1, further comprising a microphone circuit;
one end of the telephone transmission circuit is electrically connected with the main microphone, and the other end of the telephone transmission circuit is electrically connected with the main control panel.
7. The dual microphone noise reducing TWS bluetooth headset of claim 1, further comprising a noise detection circuit;
one end of the noise detection circuit is electrically connected with the slave microphone, and the other end of the noise detection circuit is electrically connected with the main control panel.
8. The dual microphone noise reduction TWS bluetooth headset of claim 1, further comprising a photodiode and a photodiode control circuit;
one end of the photodiode control circuit is electrically connected with the photodiode, and the other end of the photodiode control circuit is electrically connected with the main control board.
9. The dual-microphone noise-reducing TWS bluetooth headset of claim 1, further comprising a battery, a charging spike, and a battery protection circuit;
one end of the battery protection circuit is electrically connected with the battery and the charging thimble, and the other end of the battery protection circuit is electrically connected with the main control board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020207438.8U CN210868121U (en) | 2020-02-25 | 2020-02-25 | TWS bluetooth headset of making an uproar falls in two microphones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020207438.8U CN210868121U (en) | 2020-02-25 | 2020-02-25 | TWS bluetooth headset of making an uproar falls in two microphones |
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| Publication Number | Publication Date |
|---|---|
| CN210868121U true CN210868121U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020207438.8U Expired - Fee Related CN210868121U (en) | 2020-02-25 | 2020-02-25 | TWS bluetooth headset of making an uproar falls in two microphones |
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| CN (1) | CN210868121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113163281A (en) * | 2021-02-23 | 2021-07-23 | 深圳壹秘科技有限公司 | Microphone and noise reduction system of microphone |
| CN114007157A (en) * | 2021-10-28 | 2022-02-01 | 中北大学 | Intelligent noise reduction communication earphone |
-
2020
- 2020-02-25 CN CN202020207438.8U patent/CN210868121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113163281A (en) * | 2021-02-23 | 2021-07-23 | 深圳壹秘科技有限公司 | Microphone and noise reduction system of microphone |
| CN114007157A (en) * | 2021-10-28 | 2022-02-01 | 中北大学 | Intelligent noise reduction communication earphone |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 510000 Room 302, building A2, 646 Xining West Road, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province Patentee after: GUANGZHOU FENGKU TECHNOLOGY Co.,Ltd. Address before: 510000 4th floor, ganhu industrial village, industrial processing zone, Xintang Town, Zengcheng District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU FENGKU TECHNOLOGY Co.,Ltd. |
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| 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: 20200626 |