CN209462553U - Bluetooth headset control circuit and bluetooth headset - Google Patents
Bluetooth headset control circuit and bluetooth headset Download PDFInfo
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- CN209462553U CN209462553U CN201920149467.0U CN201920149467U CN209462553U CN 209462553 U CN209462553 U CN 209462553U CN 201920149467 U CN201920149467 U CN 201920149467U CN 209462553 U CN209462553 U CN 209462553U
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Abstract
A kind of bluetooth headset control circuit, it is connect with the loudspeaker of bluetooth headset, the detection module of the first level signal is exported when by being added to detect that the bluetooth headset is worn, to export the magnetic induction module of second electrical level signal after sensing magnetic field and to control the control module whether loudspeaker play audio and control bluetooth headset working condition according to the second electrical level signal according to first level signal, it realizes the bluetooth headset when user wears bluetooth headset and plays audio automatically, when user takes bluetooth headset, bluetooth headset stops playing audio and is in standby the bluetooth headset after sensing magnetic field, solves the broadcasting for existing in traditional technical solution and also needing to manually control music after user wears, operating efficiency is low and electrical quantity of bluetooth headset consumes big problem.
Description
Technical field
The utility model belongs to bluetooth headset technical field more particularly to a kind of bluetooth headset control circuit and bluetooth ear
Machine.
Background technique
Currently, bluetooth headset is applied in hands-free headsets as a kind of Bluetooth technology with the fast development of the communication technology
Equipment, the use in smart machine market is more and more frequent, sets bluetooth headset and smart phone, tablet computer etc. are intelligent
After establishing Bluetooth communication, the functions such as music and voice communication may be implemented.But traditional bluetooth headset is playing sound
It when happy, generally require by way of switch key and controls realization, the broadcasting for manually controlling music is also needed after user wears,
Operating efficiency is low, and music continues broadcasting and bluetooth headset when user takes bluetooth headset and forgotten shutdown music
Being still within open state all can cause the electricity of bluetooth headset to consume.
Therefore, there is the broadcasting for also needing to manually control music after user wears, operating efficiency in traditional technical solution
Low and electrical quantity of bluetooth headset consumes big problem.
Utility model content
In view of this, the utility model embodiment provides a kind of bluetooth headset control circuit and bluetooth headset, it is intended to
The broadcasting for also needing to manually control music present in traditional technical solution after user wears is solved, operating efficiency is low and blue
Tooth earphone electricity consumes big problem.
The first aspect of the utility model embodiment provides a kind of bluetooth headset control circuit, the loudspeaker with bluetooth headset
Connection, the bluetooth headset control circuit include:
Control module is connect with the loudspeaker；
Detection module is connect with the first input end of the control module, and the detection module is configured as detecting institute
It states and exports the first level signal when bluetooth headset is worn to the control module, the control module is believed in first level
Number lower control loudspeaker of driving play audio；And
Magnetic induction module is connect with the second input terminal of the control module, and the magnetic induction module is configured as incuding
Second electrical level signal is exported after to magnetic field to the control module, the control module is controlled under second electrical level signal driving
Make the working condition of the bluetooth headset.
In one embodiment, the detection module includes capacitive touch sensor, the sense of the capacitive touch sensor
Electrode tip is answered to connect with electrically conductive region, the first input end of the output end of the capacitive touch sensor and the control module
Connection.
In one embodiment, the control module includes QCC series Bluetooth chip.
In one embodiment, the magnetic induction module includes magnetic induction switch chip, the magnetic induction switch chip
Power end is connect with battery, and the signal output end of the magnetic induction switch module and the second input terminal of the control module connect
It connects, the ground terminal ground connection of the magnetic induction switch chip.
In one embodiment, the bluetooth headset control circuit further includes battery protection module, the battery protection mould
Block is connect with battery, and the battery protection module is configured as making overcurrent protection and under-voltage protection to the battery.
In one embodiment, the battery protection module includes battery protection chip, the electricity of the battery protection chip
Source inputs the anode for being terminated at the battery, and two cell switch of the battery protection chip are terminated at the negative of the battery
Pole.
In one embodiment, the bluetooth headset control circuit further includes memory module, the read-write of the memory module
The storage end of the control module is terminated, the audio signal that the memory module receives the control module stores.
In one embodiment, the bluetooth headset control circuit further includes communication module, the communication module with it is described
Control module connection, the communication module are configured as carrying out data transmission with another bluetooth headset or mobile terminal.
In one embodiment, the bluetooth headset control circuit further includes volume adjusting module, the volume adjustment mould
Block is connect with the control module, and the volume adjusting module is configured as volume adjustment signals being conveyed to the control mould
Block, the control module adjust the size that the loudspeaker play sound under the driving of the volume adjustment signals.
The second aspect of the utility model embodiment provides a kind of bluetooth headset, controls electricity including above-mentioned bluetooth headset
Road, loudspeaker, battery and microphone.
Above-mentioned bluetooth headset control circuit exports the first electricity when joined to detect that the bluetooth headset is worn
The detection module of ordinary mail number exports the magnetic induction module of second electrical level signal behind magnetic field and to according to sense
First level signal controls whether the loudspeaker play audio and control bluetooth headset work shape according to the second electrical level signal
The control module of state realizes the bluetooth headset when user wears bluetooth headset and plays audio automatically, when user takes bluetooth ear
Bluetooth headset stops playing audio and is in standby the bluetooth headset after sensing magnetic field when machine, solves biography
There is the broadcasting for also needing to manually control music after user wears in the technical solution of system, operating efficiency is low and bluetooth headset is electric
Amount consumes big problem.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the circuit diagram for the bluetooth headset control circuit that an embodiment of the present invention provides；
The exemplary circuit principle of detection module in the bluetooth headset control circuit that Fig. 2 provides for an embodiment of the present invention
Figure；
The exemplary circuit of magnetic induction module is former in the bluetooth headset control circuit that Fig. 3 provides for an embodiment of the present invention
Reason figure；
The exemplary circuit of battery protection module in the bluetooth headset control circuit that Fig. 4 provides for an embodiment of the present invention
Schematic diagram；
The exemplary circuit principle of memory module in the bluetooth headset control circuit that Fig. 5 provides for an embodiment of the present invention
Figure；
The exemplary circuit of volume adjusting module in the bluetooth headset control circuit that Fig. 6 provides for an embodiment of the present invention
Schematic diagram；
Fig. 7 is the circuit diagram for the bluetooth headset control circuit that an embodiment of the present invention provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig. 1, the circuit diagram for the bluetooth headset control circuit that the utility model first embodiment provides, in order to
Convenient for explanation, only the parts related to this embodiment are shown, and details are as follows:
A kind of bluetooth headset control circuit is connect with the loudspeaker 110 of bluetooth headset, and bluetooth headset control circuit includes: control
Molding block 200, detection module 300 and magnetic induction module 400, control module 200 can be by with signal processings, output order
Etc. functions device perhaps chip such as microprocessor, single-chip microcontroller or bluetooth processing chip etc.；Detection module 300 is configured
To export the first level signal when detecting that bluetooth headset is worn to control module 200, control module 200 is believed in the first level
Lower control loudspeaker 110 number are driven to play audio, detection module 300 can be that the device for having detection function is constituted, such as capacitor
Sensor, infrared sensor etc.；Magnetic induction module 400 is configured as exporting second electrical level signal to control mould after sensing magnetic field
Block 200, control module 200 control the working condition of bluetooth headset under the driving of second electrical level signal, and working condition is booting shape
State or standby mode.
It should be understood that placing magnet in the charging box of bluetooth headset or other devices for preventing bluetooth headset, work as bluetooth
When earphone is placed in charging box, magnetic induction module 400 has sensed magnetic field, and then issues high level to control module 200, control
Molding block 200 controls bluetooth headset under the driving of high level and is in standby, to avoid bluetooth headset consumption when idle
Energy；When bluetooth headset is worn, i.e., far from magnet, magnetic induction module 400 does not sense magnetic field, and then issues low level
To control module 200, control module 200 controls bluetooth headset under low level driving and is in open state.
Control module 200 is connect with loudspeaker 110, and detection module 300 is connect with the first input end of control module 200, magnetic
Induction module 400 is connect with the second input terminal of control module 200.
Bluetooth headset control circuit in the present embodiment, exports first when joined to detect that bluetooth headset is worn
The detection module 300 of level signal, to sense export behind magnetic field second electrical level signal magnetic induction module 400 and to
Control whether loudspeaker 110 play audio and according to second electrical level signal control bluetooth headset working condition according to the first level signal
Control module 200, realize when user wear bluetooth headset when bluetooth headset play audio automatically, when user takes bluetooth ear
Bluetooth headset stops playing audio and is in standby bluetooth headset after sensing magnetic field when machine, solves traditional
There is the broadcasting for also needing to manually control music after user wears in technical solution, operating efficiency is low and electrical quantity of bluetooth headset consumes
Damage big problem.
Referring to Fig. 2, in one embodiment, detection module 300 includes capacitive touch sensor, capacitive touch sensor
It can be model IQS211A-TSR chip, the extreme CX of the induced electricity of capacitive touch sensor is connect with electrically conductive region, capacitive touch
The the first output end TPOUT for touching sensor is connect with the first input end PLAY/PAUSE of control module 200.
It should be understood that electrically conductive region can directly refer to that human body may also mean that the ground by conductive material and human contact
Side, electrically conductive region should be placed in bluetooth headset close to ear side, when user wears bluetooth headset, capacitance touch sensing
The extreme CX of the induced electricity of device senses charge, and capacitive touch sensor exports high level to control module 200, control module 200
Loudspeaker 110 are made to play audio under the driving of the high level；After user takes bluetooth headset, the induction of capacitive touch sensor
Electrode tip CX does not sense charge, and capacitive touch sensor exports low level to control module 200, and control module 200 is at this
Loudspeaker 110 are made to stop playing audio under low level driving.
In one embodiment, control module 200 include QCC series Bluetooth chip, such as QCC5121WLCSP or
QCC5124-0-CSP90。
Referring to Fig. 3, in one embodiment, magnetic induction module 400 includes magnetic induction switch chip Q1, magnetic induction switch
The model of chip Q1 can be MRMS series, MRUS series or AS series etc., the power end VCC of magnetic induction switch chip Q1 with
Battery 120 connects, and the signal output end OUT of magnetic induction switch module is connect with the second input terminal of control module 200, magnetic induction
The ground terminal GND of switch chip Q1 is grounded.
It should be understood that magnetic induction switch chip Q1 is according to whether the case where detecting magnetic field, sends second electrical level signal to control
Molding block 200, so that control module 200 controls the working condition of bluetooth headset according to level signal.
When magnetic induction switch chip Q1 detects magnetic field, the power end VCC and signal of magnetic induction switch chip Q1 is exported
OUT is held to connect, signal output end OUT sends high level signal to control module 200, and control module 200 is according to high level signal
Control bluetooth headset is in standby, and the loudspeaker 110 of bluetooth headset stop working；
When magnetic induction switch chip Q1 does not detect magnetic field, the power end VCC and ground terminal of magnetic induction switch chip Q1
GND is connected, and signal output end OUT sends low level signal to control module 200, and control module 200 is believed according to low level
Number control bluetooth headset booting.
Referring to Fig. 7, in one embodiment, bluetooth headset control circuit further includes battery protection module 500, battery is protected
It protects module 500 and battery 120 connects, battery protection module 500 is configured as making overcurrent protection and under-voltage protection to battery 120.
Referring to Fig. 4, in one embodiment, battery protection module 500 includes battery protection chip U1, such as SGM41000
Chip, the power input PCKP1 of battery protection chip U1 are connected to the anode of battery 120, two electricity of battery protection chip U1
Pond switchs the cathode for being terminated at battery 120.
It should be understood that the damage of bluetooth headset control circuit is caused in order to avoid the electric current that battery 120 exports is excessive, battery
120 anode passes through the series connection external out-put supply of first fuse F1.
Referring to Fig. 7, in one embodiment, bluetooth headset control circuit further includes memory module 600, memory module
The storage end of 600 read-write termination control module 200, memory module 600 carry out the audio signal that control module 200 receives
Storage.
Referring to Fig. 5, memory module 600 may include storage chip U1.
Referring to Fig. 7, in one embodiment, bluetooth headset control circuit further includes communication module 700, communication module
700 include antenna and communication chip, and communication module 700 connect with control module 200, and communication module 700 is configured as and separately
One bluetooth headset or mobile terminal carry out data transmission.
It should be understood that another bluetooth headset can be the bluetooth ear with bluetooth headset using same bluetooth headset control circuit
Machine, the relationship that the relationship between another bluetooth headset and bluetooth headset can be interpreted as between left earphone and right earphone.
Fig. 6 and Fig. 7 are please referred to, further includes volume adjusting module 800 in one embodiment, volume adjusting module 800
It is connect with control module 200, volume adjusting module 800 is configured as volume adjustment signals being conveyed to control module 200, control
Module 200 adjusts the size that loudspeaker 110 play sound under the driving of volume adjustment signals.
Referring to Fig. 7, the second embodiment of the utility model provides a kind of bluetooth headset, including above-mentioned bluetooth headset
Control circuit, loudspeaker 110, battery 120 and microphone 130.
It should be understood that bluetooth headset control circuit can be printed using multiple circuit boards in order to minimize blue-tooth earphone structure
Brush, the intermodule in various boards can be connected by connector.
It should be understood that the left earphone and right earphone of wireless Bluetooth headsets can be the bluetooth headset in the present embodiment.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of bluetooth headset control circuit, which is characterized in that connect with the loudspeaker of bluetooth headset, the bluetooth headset control electricity
Road includes:
Control module is connect with the loudspeaker；
Detection module is connect with the first input end of the control module, and the detection module is configured as detecting the indigo plant
Tooth earphone exports the first level signal to the control module when being worn, the control module is driven in first level signal
The dynamic lower control loudspeaker play audio；And
Magnetic induction module is connect with the second input terminal of the control module, and the magnetic induction module is configured as sensing magnetic
Output second electrical level signal controls institute under second electrical level signal driving to the control module, the control module after
State the working condition of bluetooth headset.
2. bluetooth headset control circuit as described in claim 1, which is characterized in that the detection module includes that capacitance touch passes
Sensor, the induced electricity of the capacitive touch sensor are extremely connect with electrically conductive region, the output of the capacitive touch sensor
End is connect with the first input end of the control module.
3. bluetooth headset control circuit as described in claim 1, which is characterized in that the control module includes that QCC series is blue
Tooth chip.
4. bluetooth headset control circuit as described in claim 1, which is characterized in that the magnetic induction module includes that magnetic induction is opened
Close chip, the power end of the magnetic induction switch chip connect with battery, the signal output end of the magnetic induction switch module and
Second input terminal of the control module connects, the ground terminal ground connection of the magnetic induction switch chip.
5. bluetooth headset control circuit as described in claim 1, which is characterized in that further include:
The battery of battery protection module, the battery protection module and bluetooth headset connects, and the battery protection module is configured
To make overcurrent protection and under-voltage protection to the battery.
6. bluetooth headset control circuit as claimed in claim 5, which is characterized in that the battery protection module includes that battery is protected
Chip is protected, the power input of the battery protection chip is terminated at the anode of the battery, and two of the battery protection chip
Cell switch is terminated at the cathode of the battery.
7. bluetooth headset control circuit as described in claim 1, which is characterized in that further include:
Memory module, the read-write of the memory module terminate the storage end of the control module, and the memory module is to the control
The audio signal that molding block receives is stored.
8. bluetooth headset control circuit as described in claim 1, which is characterized in that further include:
Communication module, the communication module are connect with the control module, and the communication module is configured as and another bluetooth ear
Machine or mobile terminal carry out data transmission.
9. bluetooth headset control circuit as described in claim 1, which is characterized in that further include:
Volume adjusting module, the volume adjusting module are connect with the control module, and the volume adjusting module is configured
For volume adjustment signals are conveyed to the control module, the control module is adjusted under the driving of the volume adjustment signals
The loudspeaker play the size of sound.
10. a kind of bluetooth headset, which is characterized in that control electricity including bluetooth headset as described in any one of claims 1-9
Road, loudspeaker, battery and microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149467.0U CN209462553U (en) | 2019-01-26 | 2019-01-26 | Bluetooth headset control circuit and bluetooth headset |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920149467.0U CN209462553U (en) | 2019-01-26 | 2019-01-26 | Bluetooth headset control circuit and bluetooth headset |
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| CN209462553U true CN209462553U (en) | 2019-10-01 |
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| CN201920149467.0U Active CN209462553U (en) | 2019-01-26 | 2019-01-26 | Bluetooth headset control circuit and bluetooth headset |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111885446A (en) * | 2020-07-08 | 2020-11-03 | 深迪半导体(上海)有限公司 | Earphone, electronic equipment and earphone in-ear detection method |
| CN113825063A (en) * | 2021-11-24 | 2021-12-21 | 珠海深圳清华大学研究院创新中心 | Earphone voice recognition starting method and earphone voice recognition method |
| CN113918418A (en) * | 2021-09-30 | 2022-01-11 | 联想(北京)有限公司 | Control method and electronic equipment |
| CN114827350A (en) * | 2020-12-21 | 2022-07-29 | 深圳市爱都科技有限公司 | Smart watch and communication method of smart watch |
-
2019
- 2019-01-26 CN CN201920149467.0U patent/CN209462553U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111885446A (en) * | 2020-07-08 | 2020-11-03 | 深迪半导体(上海)有限公司 | Earphone, electronic equipment and earphone in-ear detection method |
| CN111885446B (en) * | 2020-07-08 | 2022-09-27 | 深迪半导体(绍兴)有限公司 | Earphone, electronic equipment and earphone in-ear detection method |
| CN114827350A (en) * | 2020-12-21 | 2022-07-29 | 深圳市爱都科技有限公司 | Smart watch and communication method of smart watch |
| CN113918418A (en) * | 2021-09-30 | 2022-01-11 | 联想(北京)有限公司 | Control method and electronic equipment |
| CN113825063A (en) * | 2021-11-24 | 2021-12-21 | 珠海深圳清华大学研究院创新中心 | Earphone voice recognition starting method and earphone voice recognition method |
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