CN217283324U - Bluetooth headset circuit and TWS bluetooth headset - Google Patents

Bluetooth headset circuit and TWS bluetooth headset Download PDF

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Publication number
CN217283324U
CN217283324U CN202220660645.8U CN202220660645U CN217283324U CN 217283324 U CN217283324 U CN 217283324U CN 202220660645 U CN202220660645 U CN 202220660645U CN 217283324 U CN217283324 U CN 217283324U
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China
Prior art keywords
module
bluetooth
control unit
main control
bluetooth headset
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CN202220660645.8U
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郭世文
吴海全
廖旭明
杨卉
谢光河
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Zhaoqing Deqing Guanxu Electronics Co ltd
Shenzhen Grandsun Electronics Co Ltd
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Zhaoqing Deqing Guanxu Electronics Co ltd
Shenzhen Grandsun Electronics Co Ltd
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Priority to CN202220660645.8U priority Critical patent/CN217283324U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The utility model discloses a bluetooth headset circuit and TWS bluetooth headset, include: bluetooth master control unit, the unit of making an uproar falls, position induction module, touch module, loudspeaker module, antenna module, battery and battery protection module, the unit of making an uproar falls and gathers the noise and feeds back noise signal for the Bluetooth master control unit, position induction module response ear is close or keeps away from and feeds back to Bluetooth master control unit, broadcast audio file when going into the ear, pause broadcast audio file when going out the ear, the consumption is reduced, the duration has been increased, energy-concerving and environment-protective, realize multiple functions's operation through touch module, Bluetooth master control unit control loudspeaker module output is unanimous with the noise signal amplitude frequency, noise is offset to opposite phase's sound wave, reach the effect of making an uproar, be a TWS bluetooth headset that noise reduction effect is good.

Description

Bluetooth headset circuit and TWS bluetooth headset
Technical Field
The utility model relates to a bluetooth headset technical field, specificly relate to a bluetooth headset circuit and TWS bluetooth headset.
Background
The TWS is the real wireless stereo meaning, the TWS technology is also based on the development of the Bluetooth chip technology, the TWS technology means that the real Bluetooth left and right sound channels are wirelessly separated and used by connecting a main earphone and then quickly connecting an auxiliary earphone in a wireless mode through the main earphone according to the working principle, when the auxiliary earphone is not connected, the main loudspeaker returns to the monophonic tone quality, the TWS technology is applied to the field of Bluetooth earphones, and therefore a new product TWS Bluetooth earphone is also promoted.
However, the existing TWS Bluetooth headset is poor in noise reduction effect, high in power consumption, short in endurance time, not safe enough for battery charging and discharging, not convenient enough to use due to the fact that a mobile phone is needed when operations such as song cutting are carried out.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a bluetooth headset circuit and TWS bluetooth headset can solve current TWS bluetooth headset noise reduction effect poor, and the consumption is high, and the time of endurance is short, and battery charge-discharge is safe inadequately, uses inconvenient problem.
According to the utility model discloses bluetooth headset circuit of first aspect embodiment, include: a Bluetooth master control unit; the output end of the noise reduction unit is connected with the input end of the Bluetooth main control unit and used for feeding back a noise signal; the output end of the position sensing module is connected with the input end of the Bluetooth main control unit and is used for sensing the approach or the distance of ears and feeding the ears back to the Bluetooth main control unit to play or pause the playing of the audio file; the output end of the touch module is connected with the input end of the Bluetooth main control unit; the input end of the horn module is connected with the output end of the Bluetooth main control unit so as to output sound waves which are consistent with the amplitude frequency and opposite to the phase of the noise; the antenna module is connected with the Bluetooth main control unit; a battery for supplying power; and the battery protection module is connected with the positive electrode and the negative electrode of the battery.
According to the utility model discloses bluetooth headset circuit of first aspect embodiment has following technological effect at least: the utility model discloses embodiment collects the noise in the environment and feeds back noise signal and give bluetooth main control unit through the module of making an uproar that falls, bluetooth main control unit passes through loudspeaker module output and noise amplitude and frequency unanimity, opposite phase's sound wave, offset the noise, the noise reduction effect is good, being close to or keeping away from of position sensor response ear, start the instant music when going into the ear, start pause function when going out the ear, the consumption has been reduced, the duration has been increased, energy-concerving and environment-protective, carry out the function operation through touch module control, high durability and convenient use, optimize user experience, battery protection unit manages the charge-discharge of battery, it is safer to make the battery charge-discharge.
According to the utility model discloses a some embodiments, the unit of making an uproar falls includes feedforward module and feedback module, and bluetooth main control unit's input is connected to the output of feedforward module, and bluetooth main control unit's input is connected to feedback module's output.
According to some embodiments of the utility model, touch module includes touch chip, touch-control board connector and touch-control board, and touch chip's input is connected through the touch-control board connector to the output of touch-control board, and bluetooth main control unit is connected to the touch chip.
According to the utility model discloses a some embodiments still include bone conduction module, bluetooth main control unit's input is connected to bone conduction module's output.
According to the utility model discloses a some embodiments still include storage module, and bluetooth main control unit is connected to storage module.
According to the utility model discloses a some embodiments still include conversation module, and the input of bluetooth main control unit is connected to conversation module's output.
According to the utility model discloses a some embodiments still include the magnetic induction switch module, the input of bluetooth main control unit is connected to the output of magnetic induction switch module.
According to the utility model discloses a some embodiments still include the module of charging, the positive negative pole of battery is connected to the module of charging.
According to the utility model discloses a some embodiments still include light display module, and bluetooth main control unit's output is connected to light display module's control end.
According to the utility model discloses a TWS bluetooth headset of second aspect embodiment, including left earphone and right earphone, all be provided with above-mentioned bluetooth headset circuit in left earphone and the right earphone.
According to the utility model discloses TWS bluetooth headset of second aspect embodiment has following technological effect at least: the utility model discloses embodiment collects the noise in the environment and feeds back noise signal and give bluetooth main control unit through the module of making an uproar that falls, bluetooth main control unit passes through loudspeaker module output and noise amplitude and frequency unanimity, opposite phase's sound wave, offset the noise, the noise reduction effect is good, being close to or keeping away from of position sensor response ear, start the instant music when going into the ear, start pause function when going out the ear, the consumption has been reduced, the duration has been increased, energy-concerving and environment-protective, carry out the function operation through touch module control, high durability and convenient use, optimize user experience, battery protection unit manages the charge-discharge of battery, it is safer to make the battery charge-discharge.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a functional diagram of the present invention;
fig. 2 is a circuit diagram of a first bluetooth chip U2A of the present invention;
fig. 3 is a circuit diagram of a second bluetooth chip U2B of the present invention;
fig. 4 is a circuit diagram of a feedback module of the present invention;
FIG. 5 is a circuit diagram of the position sensing module of the present invention;
fig. 6 is a circuit diagram of the horn module of the present invention;
fig. 7 is a circuit diagram of a battery protection module according to the present invention;
fig. 8 is a circuit diagram of a touch chip according to the present invention;
fig. 9 is a circuit diagram of a touch panel connector according to the present invention;
fig. 10 is a circuit diagram of a bone conduction chip according to the present invention;
fig. 11 is a circuit diagram of a memory module according to the present invention;
fig. 12 is a circuit diagram of a feed-forward module and a call module according to the present invention;
fig. 13 is a circuit diagram of the magnetic induction switch module of the present invention;
fig. 14 is a circuit diagram of a charging module according to the present invention;
fig. 15 is a circuit diagram of a light display module of the present invention;
fig. 16 is a circuit diagram of the voltage stabilizing module of the present invention;
reference numerals:
the bluetooth communication device comprises a bluetooth main control unit 100, a noise reduction unit 200, a position sensing module 300, a touch control module 400, a speaker module 500, an antenna module 600, a battery protection module 700, a bone conduction module 800, a storage module 900, a communication module 910, a magnetic induction switch module 920, a charging module 930, a light display module 940 and a voltage stabilizing module 950.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, front, rear, left, right, etc., is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, more than, etc. are understood as not including the number, and the terms greater than, less than, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The utility model discloses two bluetooth headset circuits about including in the embodiment of the first aspect, its circuit structure is the same, refer to fig. 1 to fig. 16 below and describe the left earphone circuit according to the bluetooth headset circuit of the embodiment of the first aspect of the utility model.
As shown in fig. 1 to 7, a bluetooth headset circuit includes: as shown in fig. 2 to 3, the bluetooth master control unit 100 includes a first bluetooth chip U2A and a second bluetooth chip U2B, an output end of the noise reduction unit 200 is connected to an input end of the bluetooth master control unit 100, the noise reduction unit 200 collects noise and feeds back a noise signal to the bluetooth master control unit 100, as shown in fig. 5, the position sensing module 300 includes an infrared sensor chip U6, a pin NINT of the infrared sensor chip U6 is connected to a pin PIO17 of the first bluetooth chip U2A, the position sensing module 300 senses that an ear approaches or leaves the bluetooth master control unit 100 and feeds back the noise signal to the bluetooth master control unit 100, when the ear enters an ear, an audio file is played, when the ear leaves the ear, the audio file is paused to be played, power consumption is reduced, endurance time is increased, energy conservation and environmental protection are provided, an output end of the touch control module 400 is connected to an input end of the bluetooth master control unit 100, realize the operation of multiple functions through touch module 400, high durability and convenient use, as shown in fig. 6, the output of bluetooth main control unit 100 is connected to loudspeaker module 500's input, bluetooth main control unit 100 control loudspeaker module 500 output is unanimous with the noise amplitude frequency, noise is offset to the sound wave that the opposite phase place, reach the effect of making an uproar, bluetooth main control unit 100 control loudspeaker module 500 plays the audio file, antenna module 600 connects bluetooth main control unit 100, antenna module 600 received signal.
As shown in fig. 7, the battery protection module 700 includes a battery protection chip U7 and an electrostatic protection tube Q13, a pin BAT of a battery protection chip U7 is connected to a positive electrode of a battery through a resistor R24, a pin VDD of a battery protection chip U7 is connected to a positive electrode of the battery through a resistor R32, a pin VSS of a battery protection chip U7 is connected to a negative electrode of the battery, a pin CHG and a pin DSG of a battery protection chip U7 are respectively connected to a pin G1 of an electrostatic protection tube Q13, a pin S1 of the electrostatic protection tube Q13 is connected to a positive electrode of the battery, the battery protection module 700 can prevent the battery from being overcharged, overdischarged and shorted, and can also prevent electrostatic damage, protects the battery, a model of the first bluetooth chip U2A and a model of the second bluetooth chip U2B is QCC5171, a model of the infrared sensor chip U6 is 224pa 09001, a model of the battery protection chip U7 is BQ298012ru, and a model of the electrostatic protection tube Q13 is ef 4627R.
The noise reduction unit 200 comprises a feedforward module and a feedback module, as shown in fig. 12, the feedforward module comprises a feedforward microphone chip GM1, a pin DATA of the feedforward microphone chip GM1 is connected with a pin PIO5 of the first bluetooth chip U2A, the feedforward microphone chip GM1 collects ambient noise outside the earphone and feeds back a noise signal to the bluetooth main control unit 100, as shown in fig. 4, the feedback module is a feedback microphone, an output end of the feedback microphone is connected with an input end of the first bluetooth chip U2A, the feedback microphone collects noise remaining in the ear canal and feeds back the noise signal to the bluetooth main control unit 100, and the feedforward module and the feedback module together realize intelligent hybrid noise reduction.
As shown in fig. 8 to 9, the touch module 400 includes a touch chip U5, a touch panel connector J2 and a touch panel, pin P3_0 of the touch chip U5 is connected to pin PIO2 of the first bluetooth chip U2A, pin P0_4 of the touch chip U5 is connected to pin PI016 of the first bluetooth chip U2A, pin P0_5 of the touch chip U5 is connected to pin PI020 of the first bluetooth chip U2A, pin 1 and pin 3 of the touch panel connector J2 are connected to pin P2_0 of the touch chip U5, pin 2 and pin 4 of the touch chip J2 are connected to pin P1_7 of the touch chip U5, pin 5 and pin 7 of the touch panel connector J2 are connected to pin P2_1 of the touch chip U5, pin 6 and pin 8 of the touch panel connector J2 are connected to pin P2_6 of the touch chip 2, pin J2 is connected to the touch panel connector J4072, the touch panel connector is a fnc 36408, and the touch panel connector is operated without a mobile phone connector no need to be connected to a cellular phone connector no need to a cellular phone connector no phone pin fnc, the touch control panel can be touched to perform various functional operations.
As shown in fig. 10, the bone conduction module 800 is further included, the bone conduction module 800 includes a bone conduction chip U1, a pin OUT + of the bone conduction chip U1 is connected to a pin IO _ AUDIO _ line 1_ P of the first bluetooth chip U2A, a pin OUT-of the bone conduction module 800 is connected to a pin IO _ AUDIO _ line 1_ M of the first bluetooth chip U2A, the bone conduction module 800 conducts a sound signal of a human body to the first bluetooth chip U2A through the human body, collects the sound of the human body for noise reduction, and the model of the bone conduction chip U1 is VPU14AA 01-TOR.
As shown in fig. 11, the memory module 900 is further included, the memory module 900 includes a first memory chip U6 and a second memory chip U8, the first memory chip U6 and the second memory chip U8 are respectively connected to the first bluetooth chip U2A, and store control software, and the model numbers of the first memory chip U6 and the second memory chip U8 are GD25LE64 ELIGR.
As shown in fig. 12, the phone module 910 is further included, the phone module 910 includes a phone microphone GM2, a pin PIO5 of a pin DATA of the phone microphone GM2 connected to the first bluetooth chip U2A, and the phone microphone GM2 collects phone sounds of a phone call.
AS shown in fig. 13, the magnetic induction switch module 920 further includes a magnetic induction switch module 920, the magnetic induction switch module 920 includes a hall switch chip U7, a pin OUTPUT of the hall switch chip U7 is connected to an input end of the bluetooth main control unit 100, when the left and right earphones are attracted, the hall switch chip U7 OUTPUTs a low level, the bluetooth main control unit 100 controls the earphones to be turned off, when the left and right earphones are separated, the hall switch chip U7 OUTPUTs a high level, the bluetooth main control unit 100 controls the earphones to be turned on, and the model of the hall switch chip U7 is AS1812D4 RN.
As shown in fig. 2, the bluetooth chip further includes a crystal oscillator Y1, and pin 3 and pin 1 of the crystal oscillator Y1 are respectively connected to pin IO _ AUX _ XTALIN and pin IO _ AUX _ XTALIN of the first bluetooth chip U2A to provide a clock frequency.
As shown in fig. 14, a charging module 930 is further included, and the charging module 930 is a POGOPIN connector for connecting the battery and the charging chamber.
As shown in fig. 15, the bluetooth device further includes a light display module 940, and a control end of the light display module 940 is connected to the pin IO _ PMU _ LED _0, the pin IO _ PMU _ LED _1, and the pin SQIF _3_ CLK of the pin of the first bluetooth chip U2A, respectively, to display a light prompt.
As shown in fig. 16, the bluetooth module further includes a voltage regulation module 950, the voltage regulation module 950 includes a voltage regulation chip U4, a pin EN of the voltage regulation chip U4 is connected to a pin PIO8 of the first bluetooth chip U2A for voltage regulation of peripheral circuits, and the model of the voltage regulation chip U4 is SGM2036-3.0YUDH 4G/TR.
The following describes a TWS bluetooth headset according to an embodiment of the present invention, including a left headset and a right headset, in which the above bluetooth headset circuit is disposed.
According to the utility model discloses TWS bluetooth headset of the embodiment of the second aspect, collect the noise in the environment and feed back noise signal and give bluetooth main control unit through the module of making an uproar, bluetooth main control unit passes through loudspeaker module output and noise amplitude and frequency unanimity, opposite phase's sound wave, the noise is offset, the noise reduction effect is good, being close to or keeping away from of position sensor response ear, start the broadcast function when going into the ear, start pause function when going out the ear, the consumption has been reduced, the duration has been increased, energy-concerving and environment-protective, carry out the function operation through touch module control, high durability and convenient use, optimize user experience, battery protection unit manages the charge-discharge of battery, it is safer to make the battery charge-discharge.
To sum up, the utility model provides a pair of bluetooth headset circuit and TWS bluetooth headset, include: bluetooth main control unit 100, noise reduction unit 200, position sensing module 300, touch module 400, loudspeaker module 500, antenna module 600, battery and battery protection module 700, noise reduction unit 200 realizes intelligent mixed noise reduction, position sensing module 300 senses the income ear and the play ear of earphone, touch module 400 realizes multi-functional operation, loudspeaker module 500 plays audio file, antenna module 600 received signal, battery protection module 700 avoids battery overcharge and overdischarge, protect the battery, storage module 900 stores control software, conversation module 910 gathers human sound, magnetic induction switch module 920 controls the earphone on-off machine, charging module 930 connects battery and storehouse of charging, light display module 940 shows light suggestion, voltage stabilizing module 950 is used for peripheral circuit voltage stabilization.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A bluetooth headset circuit, comprising:
a bluetooth master unit (100);
the output end of the noise reduction unit (200) is connected with the input end of the Bluetooth main control unit (100) to feed back a noise signal;
the output end of the position sensing module (300) is connected with the input end of the Bluetooth main control unit (100) and is used for sensing the approach or the distance of ears and feeding back the approach or the distance to the Bluetooth main control unit (100) to play or pause the playing of audio files;
the output end of the touch module (400) is connected with the input end of the Bluetooth main control unit (100);
the input end of the horn module (500) is connected with the output end of the Bluetooth main control unit (100) so as to output sound waves which are consistent with noise amplitude and frequency and opposite in phase;
an antenna module (600), wherein the antenna module (600) is connected with the Bluetooth master control unit (100);
a battery for supplying power;
a battery protection module (700), the battery protection module (700) connecting the positive and negative electrodes of the battery.
2. The bluetooth headset circuit of claim 1, wherein: the noise reduction unit (200) comprises a feedforward module and a feedback module, the output end of the feedforward module is connected with the input end of the Bluetooth main control unit (100), and the output end of the feedback module is connected with the input end of the Bluetooth main control unit (100).
3. The bluetooth headset circuit of claim 1, wherein: the touch module (400) comprises a touch chip, a touch board connector and a touch board, wherein the output end of the touch board is connected with the input end of the touch chip through the touch board connector, and the touch chip is connected with the Bluetooth main control unit (100).
4. The bluetooth headset circuit of claim 1, wherein: the Bluetooth device is characterized by further comprising a bone conduction module (800), wherein the output end of the bone conduction module (800) is connected with the input end of the Bluetooth main control unit (100).
5. The bluetooth headset circuit of claim 1, wherein: the Bluetooth module further comprises a storage module (900), and the storage module (900) is connected with the Bluetooth main control unit (100).
6. The bluetooth headset circuit of claim 1, wherein: the Bluetooth mobile phone further comprises a call module (910), wherein an output end of the call module (910) is connected with an input end of the Bluetooth main control unit (100).
7. The bluetooth headset circuit of claim 1, wherein: still include magnetic induction switch module (920), the output of magnetic induction switch module (920) is connected the input of bluetooth master control unit (100).
8. The bluetooth headset circuit of claim 1, wherein: the charging device also comprises a charging module (930), and the charging module (930) is connected with the positive electrode and the negative electrode of the battery.
9. The bluetooth headset circuit of claim 1, wherein: the Bluetooth remote control system is characterized by further comprising a light display module (940), wherein the control end of the light display module (940) is connected with the output end of the Bluetooth main control unit (100).
10. A TWS bluetooth headset comprising a left earpiece and a right earpiece, both of which have a bluetooth headset circuit as claimed in any one of claims 1 to 9 disposed therein.
CN202220660645.8U 2022-03-24 2022-03-24 Bluetooth headset circuit and TWS bluetooth headset Active CN217283324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220660645.8U CN217283324U (en) 2022-03-24 2022-03-24 Bluetooth headset circuit and TWS bluetooth headset

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220660645.8U CN217283324U (en) 2022-03-24 2022-03-24 Bluetooth headset circuit and TWS bluetooth headset

Publications (1)

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CN217283324U true CN217283324U (en) 2022-08-23

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