CN214101726U

CN214101726U - Bluetooth headset and Bluetooth headset system

Info

Publication number: CN214101726U
Application number: CN202120260989.5U
Authority: CN
Inventors: 李�杰; 何芊; 何辉; 赖少兵; 王勇; 包磊; 陈嘉宝
Original assignee: Guangzhou U&i Technology Co ltd
Current assignee: Guangzhou U&i Technology Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-08-31
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a bluetooth headset and bluetooth headset system, first pronunciation pick up the pronunciation that the circuit is used for picking up the user and sends, and convert speech conversion to speech signal, speech processing circuit's input and first pronunciation pick up circuit output and are connected, a voice command is discerned in being used for following speech signal, and generate function analog signal based on speech command, analog-to-digital conversion circuit's input and speech processing circuit's output are connected, a digital signal is converted into by analog signal to function analog signal, obtain function digital signal, bluetooth circuit's input and analog-to-digital conversion circuit's output are connected, a mobile terminal for send function digital signal to user through the bluetooth broadcasting, mobile terminal is used for carrying out the function that function digital signal corresponds. The user only needs to speak the voice containing the command word, the function corresponding to the command word can be realized, complex operation is not needed, the hands of the user are liberated, and meanwhile, the possibility of misoperation is reduced.

Description

Bluetooth headset and Bluetooth headset system

Technical Field

The utility model relates to a bluetooth headset technical field especially relates to a bluetooth headset and bluetooth headset system.

Background

With the continuous advancement of technology, electronic products such as MP3 walkman, Personal Digital Assistant (PDA), notebook computer, etc. have no tendency to be miniaturized, and are not necessary for daily life. In any of the above electronic products, in order to allow the user to listen to the audio information provided by the electronic product without interfering with other people, the earphone has become a necessary accessory for each electronic product, and in addition, the earphone also provides better audio transmission for the listener, so that the listener can clearly hear and understand the audio content.

The conventional earphone is a near-ear type sound reproducing device which receives an electric signal from a media player or a receiver and converts the electric signal into audible sound waves by using a speaker near the ear. In order to meet the requirement of electronic equipment for conversation, the earphone integrates the microphone function, namely the traditional earphone. In order to be more convenient to use, the earphone is changed from the original wired earphone into the wireless earphone, and the Bluetooth earphone is a common wireless earphone.

At present, the common control modes of the Bluetooth headset on the market comprise key pressing, touching and knocking, and the functions can be realized only by the operation of people. Because the bluetooth headset is small in size and few in keys, some bluetooth headsets need to complete corresponding operations by pressing a combination key, and therefore the operation of the bluetooth headset is complex and the operation is easy to misoperation.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a bluetooth headset and bluetooth headset system, its both hands that can liberate the user need not numerous and complicated operation, reduce the possibility of maloperation simultaneously.

In a first aspect, the utility model provides a bluetooth headset, include: the device comprises a first voice pickup circuit, a voice processing circuit, an analog-to-digital conversion circuit and a Bluetooth circuit;

the first voice pickup circuit is used for picking up voice sent by a user and converting the voice into a voice signal;

the input end of the voice processing circuit is connected with the output end of the first voice pickup circuit and is used for recognizing a voice command from the voice signal and generating a function simulation signal based on the voice command;

the input end of the analog-to-digital conversion circuit is connected with the output end of the voice processing circuit and is used for converting the functional analog signal from an analog signal to a digital signal to obtain a functional digital signal;

the input end of the Bluetooth circuit is connected with the output end of the analog-to-digital conversion circuit and used for transmitting the functional digital signals to a mobile terminal of a user through Bluetooth broadcasting, and the mobile terminal is used for executing functions corresponding to the functional digital signals.

Optionally, the first voice pickup circuit includes a first microphone chip, a first resistor, a first capacitor, a second resistor, a second capacitor, and a third capacitor;

the first end of the first resistor is connected with the output end of the first microphone chip, and the second end of the first resistor is connected with the first end of the first capacitor;

the first end of the second resistor is connected with the grounding end of the first microphone chip, and the second end of the second resistor is connected with the first end of the second capacitor;

the first end of the third capacitor is connected with the second end of the first capacitor, and the second end of the third capacitor is connected with the second end of the second capacitor;

and the second end of the first capacitor and the second end of the second capacitor are connected with the input end of the voice processing circuit.

Optionally, the voice processing circuit includes a voice processing chip, a third resistor and a fourth capacitor;

the input end of the voice processing chip is connected with the output end of the first voice pickup circuit, and the output end of the voice processing chip is connected with the input end of the analog-to-digital conversion circuit;

the first end of the third resistor is used for inputting the working voltage of the voice processing chip, and the second end of the third resistor is connected with the power supply input end of the voice processing chip;

and the first end of the fourth capacitor is connected with the power input end of the voice processing chip, and the second end of the fourth capacitor is grounded.

Optionally, the analog-to-digital conversion circuit includes an analog-to-digital conversion chip;

the input end of the analog-to-digital conversion chip is connected with the output end of the voice processing circuit, and the output end of the analog-to-digital conversion chip is connected with the input end of the Bluetooth circuit.

Optionally, the analog-to-digital conversion circuit further includes a fifth capacitor, a sixth capacitor, a seventh capacitor, and a fourth resistor;

the first end of the fifth capacitor is used for inputting the working voltage of the analog-to-digital conversion chip, and the second end of the fifth capacitor is grounded;

a first end of the sixth capacitor is grounded, a second end of the sixth capacitor is connected with a first end of the fourth resistor, and a second end of the fourth resistor is connected with a reset end of the analog-to-digital conversion chip;

and the first end of the seventh capacitor is connected with the reset end of the analog-to-digital conversion chip, and the second end of the seventh capacitor is grounded.

Optionally, the bluetooth circuit includes a bluetooth chip, a band-pass filter chip, and a bluetooth antenna;

the input end of the Bluetooth chip is connected with the output end of the analog-to-digital conversion circuit, the input end of the band-pass filter chip is connected with the output end of the Bluetooth chip, and the output end of the band-pass filter chip is connected with the Bluetooth antenna.

Optionally, the bluetooth circuit further includes an eighth capacitor, a ninth capacitor, and a fifth resistor;

the first end of the eighth capacitor is connected with the output end of the band-pass filter chip, and the second end of the eighth capacitor is grounded;

the first end of the fifth resistor is connected with the output end of the band-pass filtering chip, and the second end of the fifth resistor is connected with the Bluetooth antenna;

and the first end of the ninth capacitor is connected with the second end of the fifth resistor, and the second end of the ninth capacitor is grounded.

Optionally, the bluetooth headset further comprises a second voice pickup circuit, the second voice pickup circuit is connected with the call voice signal input end of the bluetooth circuit and used for collecting call voice sent by the user and converting the call voice into a call voice signal, and the bluetooth circuit is used for transmitting the call voice signal to the mobile terminal of the user through bluetooth broadcasting.

Optionally, the second voice pickup circuit includes a second microphone chip, a sixth resistor, a seventh resistor, a tenth capacitor, and an eleventh capacitor;

a first end of the sixth resistor is connected with an output end of the second microphone chip, and a second end of the sixth resistor is connected with a first end of the tenth capacitor;

a first end of the seventh resistor is connected with a grounding end of the second microphone chip, and a second end of the seventh resistor is connected with a first end of the eleventh capacitor;

and the second ends of the tenth capacitor and the eleventh capacitor are connected with the communication voice signal input end of the Bluetooth circuit.

In a second aspect, an embodiment of the present invention provides a bluetooth headset system, including if the utility model discloses the bluetooth headset that the first aspect provided still includes the charging cabin, the charging cabin is used for holding bluetooth headset works as bluetooth headset is located when charging the under-deck, the charging cabin does bluetooth headset charges.

The Bluetooth earphone provided by the embodiment of the utility model comprises a first voice picking circuit, a voice processing circuit, an analog-digital conversion circuit and a Bluetooth circuit, wherein the first voice picking circuit is used for picking up the voice sent by a user, and converts the voice into voice signals, the input end of the voice processing circuit is connected with the output end of the first voice pickup circuit, for recognizing a voice command from the voice signal and generating a functional analog signal based on the voice command, the input of the analog-to-digital conversion circuit being connected to the output of the voice processing circuit, used for converting the function analog signal from analog signal to digital signal to obtain function digital signal, the input end of the Bluetooth circuit is connected with the output end of the analog-to-digital conversion circuit, and the mobile terminal is used for transmitting the functional digital signals to the user through Bluetooth broadcasting and executing the functions corresponding to the functional digital signals. The user only needs to speak the voice containing the command word, the function corresponding to the command word can be realized, complex operation is not needed, the hands of the user are liberated, and meanwhile, the possibility of misoperation is reduced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of a bluetooth headset according to an embodiment of the present invention;

fig. 2 is a circuit diagram of a first voice pickup circuit according to an embodiment of the present invention;

fig. 3 is a circuit diagram of a voice processing circuit according to an embodiment of the present invention;

fig. 4 is a circuit diagram of an analog-to-digital conversion circuit according to an embodiment of the present invention;

fig. 5A and 5B are circuit diagrams of a bluetooth circuit according to an embodiment of the present invention;

fig. 6 is a circuit diagram of a second voice pickup circuit according to an embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

The embodiment of the utility model provides a bluetooth headset, fig. 1 does the utility model provides a bluetooth headset's that provides structural schematic diagram, as shown in fig. 1, this bluetooth headset includes that first pronunciation pick up circuit 110, speech processing circuit 120, analog-to-digital conversion circuit 130 and bluetooth circuit 140.

The first voice pickup circuit 110 is configured to pick up a voice uttered by a user and convert the voice into a voice signal. For example, the first voice pickup circuit 110 may include a microphone for picking up a voice of a user, and the microphone converts the voice into an electrical signal (i.e., a voice signal) and transmits the electrical signal to the voice processing circuit 120.

The input terminal of the voice processing circuit 120 is connected to the output terminal of the first voice pickup circuit 110, and is configured to receive the voice signal output by the first voice pickup circuit, recognize a voice command from the voice signal, and generate a functional analog signal based on the voice command. For example, the voice processing circuit 120 is provided with a command word bank for storing command words for executing corresponding functions, and after recognizing a voice command from a received voice signal, the voice processing circuit 120 compares the voice command with the command words in the command word bank, screens out a target command word matching the voice command, and generates a function simulation signal based on the target command word.

The input end of the analog-to-digital conversion circuit 130 is connected to the output end of the voice processing circuit 120, and is configured to receive the functional analog signal output by the voice processing circuit 120, and convert the functional analog signal from an analog signal to a digital signal to obtain a functional digital signal.

The input end of the bluetooth circuit 140 is connected to the output end of the analog-to-digital conversion circuit 130, and is configured to receive the functional digital signal output by the analog-to-digital conversion circuit 130, and send the functional digital signal to a mobile terminal of a user through bluetooth broadcast, where the mobile terminal is configured to execute a function corresponding to the functional digital signal.

For example, in some embodiments of the present invention, the correspondence between some commonly used functions and command words is shown in the following table:

implement functions	Earphone state	Hand operated control	Speech recognition automatic control
				Shutdown	Starting up	Long pressing touch key for 5 seconds or putting into charging cabin	“Power Off”
Open voice assistant	Stand by or listen to music	Long press left earphone or right earphone for two seconds	“SIRI GOGO”
				Turning off voice assistant	Voice wake-up state	Short press left earphone or right earphone	“SIRI OFF”
Answering telephone	Incoming call	One-touch left earphone or right earphone	“Answer”
				Hanging up telephone	In conversation	One-touch right earphone	“CALL End”
Refusing to receive incoming call	Incoming call	Double-touch left earphone or right earphone	“CALL Rejiect”
				Music playing	Standby	One-touch right earphone	“Play Music”
Music pause	In listening to music	One-touch right earphone	“Pause Music”
				Volume plus	In conversation or listening to music	One-touch left earphone	“Volume Up”
Volume reduction	In conversation or listening to music	Double-touch left earphone	“Volume Down”
				Last head	In listening to music	Double-touch right earphone	“Forward”
Next head	In listening to music	Three-touch right earphone	“Backward”

As shown in the above table, if manual control is employed, the manual operations corresponding to the respective functions are different, but the manual operations corresponding to the respective functions are touched only by the number of times of touching and the objects (left and right earphones) to be touched, so that it is very complicated to employ the manual operations and it is easy to perform erroneous operations, and the learning cost of the user is high, and it takes a lot of time to memorize the operation. The embodiment of the utility model provides an in, the user only needs to say the pronunciation that contains the command word, can realize the function that this command word corresponds, need not numerous and complicated operation, has liberated user's both hands, reduces the possibility of maloperation simultaneously.

Fig. 2 is a circuit diagram of a first voice pickup circuit according to an embodiment of the present invention, as shown in fig. 2, on the basis of the above embodiment, the first voice pickup circuit 110 includes a first microphone chip M2, a first resistor R24, a first capacitor C40, a second resistor R25, a second capacitor C41, and a third capacitor C39.

A first terminal of the first resistor R24 is connected to the output terminal of the first microphone chip M2, and a second terminal of the first resistor R24 is connected to the first terminal of the first capacitor C40.

A first end of the second resistor R25 is connected to the ground terminal of the first microphone chip M2, and a second end of the second resistor R25 is connected to a first end of the second capacitor C41.

The first terminal of the third capacitor C39 is connected to the second terminal of the first capacitor C40, and the second terminal of the third capacitor C39 is connected to the second terminal of the second capacitor C41.

The second terminal of the first capacitor C40 and the second terminal of the second capacitor C41 are connected to the input terminal of the speech processing circuit 120.

The first microphone chip M2 may be an electret microphone, which is composed of two parts of sound-electricity conversion and impedance transformation, and may be of the type SPU0414HR 5H. The key element of the acoustoelectric conversion is an electret vibrating membrane which is an extremely thin plastic membrane, wherein a layer of pure gold film is evaporated on one surface of the membrane, and then after the membrane is subjected to electret by a high-voltage electric field, opposite charges are respectively reserved on the two surfaces of the membrane. The gold-evaporated surface of the diaphragm faces outwards and is communicated with the metal shell. The other side of the diaphragm is separated from the metal plate by a thin insulating gasket. Thus, a capacitor is formed between the evaporated gold film and the metal plate. When the electret diaphragm encounters acoustic vibration, the electric field across the capacitor is caused to change, thereby producing an alternating voltage that varies with the acoustic wave.

In the embodiment of the present invention, the first voice pickup circuit 110 can also be used to pick up the call voice of the user during the call. Illustratively, as shown in fig. 2, the first voice pickup circuit 110 may further include a resistor R22, a capacitor C37, a resistor R23, a capacitor C38, a resistor R26, and a capacitor C43. Specifically, a first end of the resistor R22 is used for inputting an operating voltage required by the first microphone chip M2, and a second end of the resistor R22 is connected to a power input end of the first microphone chip M2. A first terminal of the capacitor C37 is connected to the power input terminal of the first microphone chip M2, and a second terminal of the capacitor C37 is grounded. A first terminal of the resistor R23 is connected to the output terminal of the first microphone chip M2, and a second terminal of the resistor R23 is connected to the first terminal of the capacitor C38. A first terminal of the resistor R26 is connected to the ground terminal of the first microphone chip M2, and a second terminal of the resistor R26 is connected to a first terminal of the capacitor C43. The second end of the capacitor C38 and the second end of the capacitor C43 are connected with the call voice signal input end of the Bluetooth circuit.

Fig. 3 is a circuit diagram of a voice processing circuit according to an embodiment of the present invention, as shown in fig. 3, based on the above embodiment, the voice processing circuit 120 includes a voice processing chip U8, a third resistor R40, and a fourth capacitor C64.

The model of the voice processing chip U8 may be DBMD4A, an input terminal (including an F3 port and an F4 port) of the voice processing chip U8 is connected to an output terminal of the first voice pickup circuit (i.e., the second terminal of the second capacitor C41 and the second terminal of the first capacitor C40), and an output terminal (including a D4 port, an a4 port and a D2 port) of the voice processing chip U8 is connected to an input terminal of the analog-to-digital conversion circuit 130.

The first end of the third resistor R40 is used for inputting the working voltage of the voice processing chip U8, and the second end of the third resistor R40 is connected with the power input end of the voice processing chip U8.

The first end of the fourth capacitor C64 is connected with the power input end of the voice processing chip U8, and the second end of the fourth capacitor C64 is grounded.

Of course, in the embodiment of the present invention, the voice processing circuit further includes a peripheral circuit for realizing the basic functions of the voice processing circuit, such as power supply, reset, wake-up, voltage stabilization, etc., because of no obvious association with the present invention, the present invention does not record here in detail.

Fig. 4 is a circuit diagram of an analog-to-digital conversion circuit according to an embodiment of the present invention, and as shown in fig. 4, on the basis of the foregoing embodiment, the analog-to-digital conversion circuit 130 includes an analog-to-digital conversion chip U7. The model of the analog-to-digital conversion chip U7 may be AC107, the input terminal (including the

ports

1, 2 and 3) of the analog-to-digital conversion chip U7 is connected to the output terminal (including the ports D4, a4 and D2) of the voice processing circuit, and the output terminal (including the ports 16 and 17) of the analog-to-digital conversion chip U7 is connected to the input terminal of the bluetooth circuit 140.

Illustratively, as shown in fig. 4, the analog-to-digital conversion circuit 130 further includes a fifth capacitor C44, a sixth capacitor C46, a seventh capacitor C50, and a fourth resistor R27.

The first end of the fifth capacitor C44 is used for inputting the operating voltage of the analog-to-digital conversion chip U7, and is connected to the power input end (i.e., port No. 10) of the analog-to-digital conversion chip U7, and the second end of the fifth capacitor is grounded. Fifth electric capacity C44 is used for filtering, in some embodiments of the utility model, in order to improve filtering ability and stability, connect electric capacity C45 with fifth electric capacity C44 in parallel.

A first end of the sixth capacitor C46 is grounded, a second end of the sixth capacitor C46 is connected to a first end of the fourth resistor R27, and a second end of the fourth resistor R27 is connected to a reset end (port No. 4) of the analog-to-digital conversion chip U7. Sixth electric capacity C46 is used for the filtering, in the embodiment of the utility model provides an, in order to improve filtering ability and stability, with electric capacity C47, C48, C49 and sixth electric capacity C46 parallelly connected.

The first end of the seventh capacitor C50 is connected to the reset terminal of the analog-to-digital conversion chip U7, and the second end of the seventh capacitor C50 is grounded.

Of course, in the embodiment of the present invention, the analog-to-digital conversion circuit may further include a peripheral circuit for realizing the basic function of the analog-to-digital conversion circuit, because there is no obvious association with the present invention, the present invention does not make detailed description here.

Fig. 5A and 5B are circuit diagrams of a bluetooth circuit provided by an embodiment of the present invention, as shown in fig. 5A and 5B, on the basis of the foregoing embodiment, the bluetooth circuit 140 includes a bluetooth chip U1, a band-pass filtering chip F1 and a bluetooth antenna E1.

The model of the bluetooth chip U1 may be QCC3020_ VFBGA90, and the input terminal (including F3 port and G3 port) of the bluetooth chip U1 is connected to the output terminal (i.e., 16 th and 17 th ports of the analog-to-digital conversion chip U7) of the analog-to-digital conversion circuit. The model of the band-pass filter chip F1 can be DEA162450BT-1288B1, the input end of the band-pass filter chip F1 is connected with the output end (C1 port) of the Bluetooth chip, and the output end of the band-pass filter chip F1 is connected with the Bluetooth antenna E1. The bluetooth headset is wirelessly connected with the mobile terminal of the user through a bluetooth antenna E1.

Illustratively, as shown in fig. 5A and 5B, the bluetooth circuit 140 further includes an eighth capacitor C62, a ninth capacitor C61, and a fifth resistor R37. A first terminal of the eighth capacitor C62 is connected to the output terminal of the band-pass filter chip F1, and a second terminal of the eighth capacitor C62 is grounded. The first end of the fifth resistor R37 is connected with the output end of the band-pass filter chip F1, and the second end of the fifth resistor R37 is connected with the Bluetooth antenna E1. A first terminal of the ninth capacitor C61 is connected to the second terminal of the fifth resistor R37, and a second terminal of the ninth capacitor C61 is grounded. The eighth capacitor C62, the ninth capacitor C61 and the fifth resistor R37 form an RC filter circuit, and filter the output of the band-pass filter chip F1.

Of course, in the embodiment of the present invention, the bluetooth circuit can further include a peripheral circuit for realizing the basic function of the bluetooth circuit, because with the present invention, there is no obvious association, the present invention does not record here in detail.

The utility model discloses an in some embodiments, bluetooth headset still includes the second pronunciation and picks up the circuit, and the second pronunciation picks up the circuit and is connected with bluetooth circuit's conversation voice signal input for gather the conversation pronunciation that the user sent at conversation in-process, and convert conversation pronunciation to conversation voice signal, bluetooth circuit is used for sending conversation voice signal to user's mobile terminal through the bluetooth broadcasting. Therefore, in the conversation process of the user, the voice sent by the user can be picked up through the first voice pickup circuit, and the function corresponding to the voice command contained in the voice is realized. For example, during a call, the function of call sound reduction is realized by the command word "Volume Down".

Fig. 6 is a circuit diagram of a second voice pickup circuit according to an embodiment of the present invention, as shown in fig. 6, the second voice pickup circuit includes a second microphone chip M1, a sixth resistor R18, a seventh resistor R21, a tenth capacitor C31, and an eleventh capacitor C36. Wherein, the first microphone chip M2 may be an electret microphone.

A first terminal of the sixth resistor R18 is connected to the output terminal of the second microphone chip M1, and a second terminal of the sixth resistor R18 is connected to the first terminal of the tenth capacitor C31.

A first end of the seventh resistor R21 is connected to the ground terminal of the second microphone chip M1, and a second end of the seventh resistor R21 is connected to a first end of the eleventh capacitor C36.

The second terminal of the tenth capacitor C31 and the second terminal of the eleventh capacitor C36 are connected to the talk voice signal input terminal (i.e., ports B4 and B5 of the bluetooth chip U1) of the bluetooth circuit.

Illustratively, as shown in fig. 6, the second voice pickup circuit may further include a resistor R19, a capacitor C33, a resistor R20, a capacitor C34, and a capacitor C32.

A first terminal of the resistor R19 is connected to the output terminal of the second microphone chip M1, and a second terminal of the resistor R19 is connected to the first terminal of the capacitor C33.

A first terminal of the resistor R20 is connected to the ground terminal of the second microphone chip M1, and a second terminal of the resistor R20 is connected to a first terminal of the capacitor C34.

A first terminal of the capacitor C32 is connected to a second terminal of the capacitor C33, and a second terminal of the capacitor C32 is connected to a second terminal of the capacitor C34.

The second terminal of the capacitor C33 and the second terminal of the capacitor C34 are connected to the input terminals (including the F3 port and the F4 port) of the speech processing circuit 120.

As can be seen from the above, the first voice pickup circuit and the second voice pickup circuit may be replaced with each other, and when the first voice pickup circuit is used for a call, the second voice pickup circuit may be used for voice control; when the second voice pickup circuit is used for a call, the first voice pickup circuit can be used for voice control.

The utility model also provides a bluetooth headset system, include if the utility model discloses one or two bluetooth headset that aforementioned arbitrary embodiment provided, still including the cabin of charging, the cabin of charging is used for holding bluetooth headset, and charges and be provided with the charging probe who is used for charging for bluetooth headset in the cabin, is provided with the contact of charging that matches with the charging probe on the bluetooth headset, when charging in the cabin is arranged in to bluetooth headset, the charging contact on the bluetooth headset and the charging probe electrical contact in the cabin of charging realize that the cabin of charging charges for bluetooth headset.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in a descriptive sense and with reference to the illustrated orientation or positional relationship for purposes of descriptive convenience and simplicity of operation, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A bluetooth headset, comprising: the device comprises a first voice pickup circuit, a voice processing circuit, an analog-to-digital conversion circuit and a Bluetooth circuit;

2. The bluetooth headset of claim 1, wherein the first voice pickup circuit comprises a first microphone chip, a first resistor, a first capacitor, a second resistor, a second capacitor, and a third capacitor;

3. The bluetooth headset of claim 1, wherein the voice processing circuit comprises a voice processing chip, a third resistor and a fourth capacitor;

4. The bluetooth headset of claim 1, wherein the analog-to-digital conversion circuit comprises an analog-to-digital conversion chip;

5. The bluetooth headset of claim 4, wherein the analog-to-digital conversion circuit further comprises a fifth capacitor, a sixth capacitor, a seventh capacitor, and a fourth resistor;

6. The bluetooth headset of claim 1, wherein the bluetooth circuit comprises a bluetooth chip, a band-pass filter chip, and a bluetooth antenna;

7. The bluetooth headset of claim 6, wherein the bluetooth circuit further comprises an eighth capacitor, a ninth capacitor, and a fifth resistor;

8. The bluetooth headset according to any one of claims 1 to 5, further comprising a second voice pickup circuit, the second voice pickup circuit being connected to the call voice signal input terminal of the bluetooth circuit and configured to collect a call voice sent by a user and convert the call voice into a call voice signal, and the bluetooth circuit being configured to send the call voice signal to a mobile terminal of the user through bluetooth broadcasting.

9. The bluetooth headset of claim 8, wherein the second voice pickup circuit comprises a second microphone chip, a sixth resistor, a seventh resistor, a tenth capacitor and an eleventh capacitor;

10. A bluetooth headset system, comprising a bluetooth headset according to any of claims 1-9, and further comprising a charging compartment for accommodating the bluetooth headset, wherein the charging compartment charges the bluetooth headset when the bluetooth headset is located in the charging compartment.