CN206835331U - A kind of bluetooth earphone sound box system and audio amplifier - Google Patents
A kind of bluetooth earphone sound box system and audio amplifier Download PDFInfo
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- CN206835331U CN206835331U CN201720287288.4U CN201720287288U CN206835331U CN 206835331 U CN206835331 U CN 206835331U CN 201720287288 U CN201720287288 U CN 201720287288U CN 206835331 U CN206835331 U CN 206835331U
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Abstract
The utility model discloses a kind of bluetooth earphone sound box system and audio amplifier, it is related to audio amplifier field.The system includes bluetooth earphone and audio amplifier, the system includes bluetooth earphone and audio amplifier, the bluetooth earphone includes L channel output module, R channel output module, the first input/output port, and first input/output port connects the L channel output module and the R channel output module respectively；The audio amplifier includes MCU processing modules, accommodating chamber, the second input/output port being arranged in the accommodating chamber and storage identification module, and the storage identification module is electrically connected with second input/output port, the MCU processing modules respectively；The bluetooth earphone is movably set in the accommodating chamber, and first input/output port is connected with second input/output port；The scheme that the utility model embodiment provides causes the bluetooth earphone and audio amplifier both to can be used alone, and can also be combined as Baffle Box of Bluetooth use.
Description
Technical field
It the utility model is related to Baffle Box of Bluetooth field, more particularly to a kind of bluetooth earphone sound box system and audio amplifier.
Background technology
In daily life, the bluetooth earphone and Baffle Box of Bluetooth that we often use, one kind are bluetooth earphone and audio amplifier
Between there is no any relation, it is independent to use；Another kind is that bluetooth earphone and audio amplifier combine to form bluetooth earphone audio amplifier, and is showed
Bluetooth earphone audio amplifier due to be it is simple bluetooth earphone and audio amplifier are combined, in fact do not realize bluetooth really
Earphone audio amplifier integration so that the function of the bluetooth earphone sound box system combined and the bluetooth earphone and function of loudspeaker box that separate
It is substantially consistent, it can not be promoted and to like with people.
Utility model content
The purpose of this utility model is to provide a kind of bluetooth earphone sound box system so that forms the bluetooth earphone of the system
It can both be separated with audio amplifier and realize bluetooth earphone function and function of loudspeaker box respectively, the work(for realizing Baffle Box of Bluetooth can be combined again
Energy.
To realize above-mentioned purpose of utility model, the utility model adopts the following technical scheme that：
A kind of bluetooth earphone sound box system, the system include bluetooth earphone and audio amplifier, and the bluetooth earphone includes earphone
Battery module, bluetooth module, L channel output module, R channel output module；The audio amplifier includes AUX (Auxiliary, sound
Frequency input interface) input module, audio processing modules, power amplifier module, MCU (Microcontroller Unit, microcontroller list
Member) processing module, audio amplifier battery module, the bluetooth earphone also includes the first input/output port, first input and output
Port connects the L channel output module and the R channel output module respectively；
The audio amplifier is additionally provided with accommodating chamber, is arranged in the accommodating chamber, is mutually fitted with first input/output port
The second input/output port matched somebody with somebody, and storage identification module, it is described storage identification module respectively with second input and output
Port, the MCU processing modules are electrically connected with；
The bluetooth earphone is movably set in the accommodating chamber, first input/output port and the described second input
Output port is connected.
Further, the bluetooth earphone also includes charge management module, the charge management module respectively with the ear
Machine battery module and first input/output port are electrically connected with；
The audio amplifier also includes earphone charge management module, and the storage identification module includes L channel identification circuit,
The L channel identification circuit and second input/output port are electrically connected with, the earphone charge management module respectively with institute
State audio amplifier battery, the second input/output port, L channel identification circuit to be electrically connected with, the earphone charge management module controls institute
Audio amplifier battery is stated to the charging bluetooth earphone.
Further, the audio amplifier also includes audio amplifier switching on and shutting down management module, and the storage identification module includes R channel
Identification circuit, the R channel identification circuit electrically connect with the MCU processing modules, second input/output port respectively
Connect, the audio amplifier switching on and shutting down management module is electric with the R channel identification circuit, the MCU processing modules, the audio amplifier respectively
Pond module is electrically connected with.
Further, the bluetooth earphone also includes the first communication module, first communication module respectively with the indigo plant
Tooth module and first input/output port are electrically connected with；
The audio amplifier also includes the second communication module and key-press module, second communication module respectively with the MCU
Manage module and second input/output port is electrically connected with, the key-press module is electrically connected with the MCU processing modules.
Further, the bluetooth earphone sets one end of first input/output interface to be additionally provided with the first magnet,
The audio amplifier is additionally provided with the second magnet being adapted with first magnet, and second magnet is arranged in the accommodating chamber
Portion.
A kind of audio amplifier, the audio amplifier include AUX input modules, audio processing modules, power amplifier module, MCU processing modules, sound
Case battery module, the audio amplifier are additionally provided with accommodating chamber, input/output port and storage identification module, the input/output terminal
Mouth is arranged in the accommodating chamber, and the storage identification module is electric with the input/output port, the MCU processing modules respectively
Property connection；
Wherein, the accommodating chamber is used to store the bluetooth earphone being adapted with the audio amplifier, and the bluetooth earphone passes through institute
State input/output interface to be connected with the audio amplifier, the bluetooth earphone that the storage identification module detection is adapted with the audio amplifier.
Further, the audio amplifier also includes earphone charge management module, and the storage identification module is known including L channel
Other circuit, the L channel identification circuit are electrically connected with the input/output port, the earphone charge management module difference
It is electrically connected with the audio amplifier battery, input/output port, L channel identification circuit, the earphone charge management module controls institute
Audio amplifier battery is stated to the charging bluetooth earphone.
Further, the audio amplifier also includes audio amplifier switching on and shutting down management module, and the storage identification module includes R channel
Identification circuit, the R channel identification circuit are electrically connected with the MCU processing modules, the input/output port respectively, institute
State audio amplifier switching on and shutting down management module respectively with the R channel identification circuit, the MCU processing modules, the audio amplifier battery module
It is electrically connected with.
Further, the audio amplifier also includes communication module and key-press module, the communication module respectively with the MCU
Manage module and the input/output port is electrically connected with, the key-press module is electrically connected with the MCU processing modules, described
MCU processing modules are sent the push button signalling of the key-press module to the bluetooth earphone of adaptation by the communication module.
Further, the audio amplifier is additionally provided with the magnet of the bluetooth earphone of absorption adaptation, and the magnet is arranged at
Inside the accommodating chamber.
Compared with prior art, the beneficial effect of technical solutions of the utility model：
The utility model is combined with audio amplifier by bluetooth earphone and provides a kind of bluetooth earphone sound box system, and the system was both
Audio amplifier and bluetooth separation can be used, the bluetooth earphone can also be received on the casing of loudspeaker box by magnetic mode
In accommodating chamber, it is further advanced by the first input/output port being arranged on the bluetooth earphone and is arranged at the bluetooth ear
The bluetooth earphone and the audio amplifier are electrically connected with by the second input/output port in machine accommodating chamber, so as to realize by described
The bluetooth earphone control audio amplifier intelligence start, give the bluetooth earphone intelligent charge by the audio amplifier and pass through the audio amplifier
By the function of key control music, the system architecture is compact, simple to operate, and can use body well to user
Test.
Brief description of the drawings
Fig. 1 is the composition frame chart for the bluetooth earphone sound box system that the utility model embodiment one provides；
Fig. 2 is another composition frame chart for the bluetooth earphone sound box system that the utility model embodiment one provides；
Fig. 3 is the composition frame chart for the earphone charge management module that the utility model embodiment one provides；
Fig. 4 is the circuit diagram that the audio amplifier that the utility model embodiment one provides is charged to bluetooth earphone；
Fig. 5 is the another composition frame chart for the bluetooth earphone sound box system that the utility model embodiment one provides；
Fig. 6 is the composition frame chart for the audio amplifier switching on and shutting down management module that the utility model embodiment one provides；
Fig. 7 is that the right channel audio signal that the utility model embodiment one provides detects circuit theory diagrams；
Fig. 8 is the another composition frame chart for the bluetooth earphone sound box system that the utility model embodiment one provides；
Fig. 9 is the another composition frame chart for the bluetooth earphone sound box system that the utility model embodiment one provides；
Figure 10 is the composition frame chart for the audio amplifier that the utility model embodiment two provides；
Figure 11 is another composition frame chart for the audio amplifier that the utility model embodiment two provides；
Figure 12 is the another composition frame chart for the audio amplifier that the utility model embodiment two provides；
Figure 13 is the another composition frame chart for the audio amplifier that the utility model embodiment two provides；
Figure 14 is the another composition frame chart for the audio amplifier that the utility model embodiment two provides.
Embodiment
In order that those skilled in the art more fully understand the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the embodiment of the utility model is clearly and completely described.Unless otherwise defined,
All of technologies and scientific terms used here by the article is generally understood that with belonging to those skilled in the art of the present utility model
Implication it is identical.It is intended merely to describe specific embodiment in term used in the description of the present utility model herein
Purpose, it is not intended that in limitation the utility model.Art in specification and claims of the present utility model and above-mentioned accompanying drawing
Language " first ", " second " etc. are to be used to distinguish different objects, rather than for describing particular order.In addition, term " comprising " and
" having " and their any deformations, it is intended that cover non-exclusive include.Such as contain series of steps or unit
The step of process, method, system, product or equipment are not limited to list or unit, but alternatively also include not arranging
The step of going out or unit, or alternatively also include for other intrinsic steps of these processes, method, product or equipment or list
Member.
Referenced herein " embodiment " is it is meant that the special characteristic, structure or the characteristic that describe can wrap in conjunction with the embodiments
It is contained at least one embodiment of the present utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, embodiment described herein can be combined with other embodiments.
Embodiment one
Refering to Fig. 1, it is illustrated that a kind of composition frame chart of the bluetooth earphone sound box system provided for the utility model embodiment, institute
Stating system includes bluetooth earphone and audio amplifier, and the bluetooth earphone includes headset batteries module, bluetooth module, L channel output mould
Block, R channel output module and the first input/output port；The audio amplifier includes AUX input modules, audio processing modules, work(
Amplification module, MCU processing modules, storage identification module, audio amplifier battery module and the second input/output port；Wherein, the ear
Machine battery module is electrically connected with the bluetooth module, and the headset batteries are used to power to the bluetooth module, the bluetooth
Module is electrically connected with the L channel output module and the R channel output module respectively, first input/output port
It is electrically connected with respectively with the L channel output module and the R channel output module, the audio amplifier is additionally provided with accommodating chamber,
The accommodating chamber be used for store the bluetooth earphone, second input/output port is arranged in the accommodating chamber, and with institute
State storage identification module and the audio processing modules are electrically connected with, can when the bluetooth earphone is received into the accommodating chamber
It is electrically connected with or/and is communicated with the audio amplifier by second input/output port and first input/output port
Connection, the audio processing modules are connected with the power amplifier module, AUX input modules, MCU processing modules, and the MCU handles mould
Block is electrically connected with the storage identification module and the audio amplifier battery module.
In the utility model embodiment, first input/output port includes 9 signal pins, is respectively defined as：
First charge power supply positive pole input pin, the first charge power supply negative pole input pin, the first left channel audio signal positive output pin, first
Left channel audio signal negative output pin, the first right channel audio signal positive output pin, the first right channel audio signal negative output pin,
The positive pin of first communication signal, the first communication signal bear pin and the first communication id pin, corresponding, second input/output terminal
Mouth includes 9 signal pins being adapted therewith, i.e.,：Second charge power supply positive pole input pin, the input of the second charge power supply negative pole
Pin, the second left channel audio signal positive output pin, the second left channel audio signal negative output pin, the second right channel audio signal are just
Output pin, the second right channel audio signal negative output pin, the positive pin of the second communication signal, the second communication signal bear pin and second logical
ID pin are interrogated, the bluetooth earphone passes through electric between first input/output port, the second input/output port and the audio amplifier
Property connection or/and communication connection.Optionally, in the present embodiment, first input/output port is golden finger input and output
Port, second input/output port are thimble input/output port.
In the utility model embodiment, L channel output module, the R channel output module of the bluetooth earphone also divide
The built-in loudspeaker of the bluetooth earphone are not connected, and the power amplifier module of the audio amplifier connects the built-in loudspeaker of the audio amplifier.
Optionally, in the utility model embodiment, the accommodating chamber is arranged at the both ends of the audio amplifier, and the audio amplifier can
Including multiple accommodating chambers, multiple bluetooth earphones are accommodated, certainly, in actual applications, the utility model embodiment is simultaneously unlimited
Make position and the number of the accommodating chamber.
The utility model embodiment on the audio amplifier by setting the accommodating chamber, so as to which the bluetooth earphone be stored
Into the audio amplifier, realize the bluetooth earphone and form bluetooth earphone sound box system, and the bluetooth with the loudspeaker box combination
Earphone sound box system is simple in construction, compact, easy to carry.
Refering to Fig. 2, in the utility model embodiment, the bluetooth earphone also includes charge management module, the charging
Management module is electrically connected with the headset batteries module and first input/output port respectively, the charge management module
For being managed to the safety during charging bluetooth earphone；The audio amplifier also includes earphone charge management module, the receipts
Identification module of receiving includes L channel identification circuit, and the L channel identification circuit electrically connects with second input/output port
Connect, the earphone charge management module is electrical with the audio amplifier battery, the second input/output port, L channel identification circuit respectively
Connection, the L channel output module that the L channel identification circuit is used for the bluetooth earphone to being received into the accommodating chamber export
Level signal be identified, the audio amplifier battery be used for the audio amplifier power and to the charging bluetooth earphone.
The earphone charge management module controls the audio amplifier battery to give the charging bluetooth earphone, optionally, the ear
Machine charge management module includes boosting unit and switch control unit, as shown in figure 3, the switch control unit connects respectively
The boosting unit, the L channel identification circuit and the audio amplifier battery module, the boosting unit and the described second input
Output port is electrically connected with.Specifically, in the present embodiment, it is no matter described when the bluetooth earphone is positioned over the containing cavities
Whether bluetooth earphone has audio output, the first left channel audio signal positive output pin, the first L channel sound of the bluetooth earphone
Frequency signal negative output pin exports high level signal all the time, and the high level signal is successively by first input/output port, institute
State the second input/output port, L channel identification circuit is transmitted to the switch control unit, the high level signal causes described
Switch control unit turns on, so that the boosting unit turns on the audio amplifier battery module so that the boosting unit
Charging voltage is produced, and is born by the first charge power supply positive pole input of first input/output port, the first charge power supply
Pole inputs to the charging bluetooth earphone, so as to realize by the audio amplifier to the bluetooth earphone intelligent charge.Optionally, when
When the audio amplifier includes multiple accommodating chambers, multiple bluetooth earphones can be charged.
Charging principle of the audio amplifier to the bluetooth earphone is illustrated with specific practical circuit below, specifically entered
One step refers to Fig. 4, it is illustrated that the circuit diagram of the charging bluetooth earphone is given for the sound equipment, the L channel identification in the circuit diagram
Circuit includes resistance R17, resistance R7, resistance R56, diode C63 and triode Q3, and the annexation of each component can specifically join
Read Fig. 4；Switch control unit in the circuit diagram includes triode Q8；Boost module in the circuit diagram includes boosting core
Piece U4；When the bluetooth earphone is not placed in the accommodating chamber, the institute of the L channel identification circuit input is carried in
It is not high level to state the voltage on resistance R17 and the resistance R7, i.e., now the triode Q3 is not turned on, so as to described three
Pole pipe Q8 is not turned on, and now, the boost module disconnects with the sound equipment battery module BATT, and the boost module does not work,
The bluetooth earphone can not be given to provide charge power supply；It is connected when the bluetooth earphone is accommodated in the accommodating chamber with the audio amplifier
When, because differential signal output all strings of the bluetooth earphone L channel have an electric capacity, to ensure no matter there is audio tone-off
During frequency signal output, all without the bias voltage for having influence on circuit below, meanwhile, the first left audio of the bluetooth earphone
Signal positive output pin, the first left channel audio signal negative output pin respectively added with pull-up resistor to battery and power supply, so no matter
When, the first left channel audio signal positive output pin, the first left channel audio signal negative output pin export height
Level signal, the high level signal are carried on the resistance R17 and the resistance R7 of the L channel identification circuit,
The now triode Q3 conductings, further, the triode Q8 of switch control unit is turned on, then the boost module
Boost chip U4 turned on the sound equipment battery module BATT, now the boost module output end output 5V voltages, from
And realize and give the charging bluetooth earphone by institute's audio amplifier.
The bluetooth earphone is received into the accommodating chamber of audio amplifier by the utility model embodiment, and the audio amplifier passes through inspection
The L channel high level signal of the L channel output module output of bluetooth earphone is surveyed, the high level signal passes sequentially through the left side
Sound channel identification circuit, switch control unit, boost module, realize the function to the bluetooth earphone intelligent charge so that institute
The battery for stating audio amplifier obtains diversified utilization.
Refering to Fig. 5, in the utility model embodiment, the audio amplifier also includes audio amplifier switching on and shutting down management module, the receipts
Identification module of receiving also includes R channel identification circuit, the R channel identification circuit respectively with the MCU processing modules, described
Two input/output ports are electrically connected with, and the R channel identification circuit is used to identify that R channel described in the bluetooth earphone exports
The signal of module output, the audio amplifier switching on and shutting down management module handle mould with the R channel identification circuit, the MCU respectively
Block, the audio amplifier battery module are electrically connected with；
In the present embodiment, the audio amplifier switching on and shutting down management module includes PMU and power control circuit, such as
Shown in Fig. 6, the power control circuit is electric with the PMU, audio amplifier battery module, R channel identification circuit respectively
Property connection, the PMU and the MCU processing modules are electrically connected with；
In the utility model embodiment, when the bluetooth earphone is not stored into the accommodating chamber of the audio amplifier, or
When the bluetooth earphone is stored to the accommodating chamber of the audio amplifier but do not have audio output, due to the R channel of bluetooth earphone first
Audio signal positive output pin, the first right channel audio signal negative output pin are in low level in no audio output, now
The voltage for being carried in the R channel identification circuit input is low level, and the R channel identification circuit will export high level letter
Number, the high level signal is delivered to the MCU processing modules and the power control circuit, the power control circuit root simultaneously
The power operation for disconnecting the PMU will be performed according to the high level signal, the MCU processing modules are according to height electricity
Ordinary mail number disconnects the corresponding circuit power of the audio amplifier, shutdown action is performed, so as to realize the automatic shutdown work(of the audio amplifier
Energy；
When the bluetooth earphone is stored to the accommodating chamber of the audio amplifier and has audio output, the first right sound of bluetooth earphone
Audio channel signal positive output pin, the first right channel audio signal negative output pin are in high level when there is audio output, now
The voltage for being carried in the R channel identification circuit input is high level, and the R channel identification circuit will send low level letter
Number, the low level signal will be delivered to the MCU processing modules and the power control circuit, the power control circuit simultaneously
The power operation for turning on the PMU will be performed according to the low level signal, the MCU processing modules are low according to this
This signal is sent to the PMU by level signal, so as to open audio amplifier battery, so as to realize the audio amplifier from
Dynamic power up function.
Lower mask body illustrates the realization principle of audio amplifier switching on and shutting down management with a practical circuit, specifically further regards to Fig. 7,
The right audio channel detection circuit diagram is illustrated as, the audio detection circuit figure includes resistance R43, R45, triode Q4, institute
The resistance R43 and resistance R45 is stated to be connected in series, the triode Q4 respectively with the resistance R43 and the resistance R45 simultaneously
Connection connection；
The bluetooth earphone is not stored into the accommodating chamber of the audio amplifier, or when the bluetooth earphone is stored to the sound
During in the accommodating chamber of case but without audio signal output, the resistance of the input of the R channel identification circuit is carried in
R43 and the resistance R45 voltage are low level, and now the base stage of the triode Q4 is without bias voltage, so as to three pole
Pipe Q4 stops absolutely, and now, the colelctor electrode of the triode Q4 is in high level in the case of pull-up resistor built in single-chip microcomputer, and the height is electric
Ordinary mail number will be delivered to the power control circuit and MCU processing modules of the sound equipment simultaneously, and the power control circuit is according to this
High level signal performs the operation for disconnecting the PMU, and the MCU processing modules are closed according to the high level signal
The related circuit power of the audio amplifier, shutdown action is performed, so as to realize the automatic shut-off function of the audio amplifier；
When the bluetooth earphone is stored into the accommodating chamber of the audio amplifier and has audio signal output, the bluetooth earphone
First right channel audio signal positive output pin, the high level signal of the first right channel audio signal negative output pin output are carried in institute
State on the resistance R43 and the resistance R45 of the input of R channel identification circuit, now the triode Q4 base stages pass through
Described resistance R43, R45, R30 produce bias voltage, and this bias voltage is far longer than the conducting saturation voltage of the triode Q4,
Then the triode Q4 colelctor electrodes produce low level signal, and the low level signal is transferred to the power supply of the audio amplifier simultaneously
Circuit and the MCU processing modules, the power control circuit will perform according to the low level signal and turn on the power management
The low level signal is sent to the PMU, opens the sound by the power operation of unit, the MCU processing modules
The related circuit power of case, so as to realize the automatic turn-on function of the audio amplifier；
Optionally, it is settable when the audio amplifier does not have in default time threshold in the utility model alternative embodiment
When detecting the R channel output module no audio signal, the audio amplifier is by automatic shutdown, for example sets the time threshold
It is worth for 3 minutes, will be at 3 points if the audio amplifier does not detect the R channel output module no audio signal within the time
Automatic shutdown after clock.
For the utility model embodiment when the bluetooth earphone is stored to the accommodating chamber of the audio amplifier, first input is defeated
Exit port is connected with second input/output port, and the R channel identification circuit of the audio amplifier is by detecting the bluetooth earphone
The first right channel audio signal positive output pin, the first right channel audio signal negative output pin level height, to realize audio amplifier
Intelligence start or shutdown so that the bluetooth earphone sound box system function is more comprehensive.
Refering to Fig. 8, in the utility model embodiment, the bluetooth earphone also includes the first communication module, and described first
Communication module is electrically connected with the bluetooth module and first input/output port respectively, and first communication module is used for
The bluetooth earphone carries out communication with the audio amplifier by the first input/output port, the second input/output port and is connected, institute
Stating audio amplifier also includes the second communication module and key-press module, second communication module respectively with the MCU processing modules and institute
The electric connection of the second input/output port is stated, the key-press module is electrically connected with the MCU processing modules, and described second is logical
News module is led to for the audio amplifier by the second input/output port, the first input/output port and the bluetooth earphone
News connection, the key-press module are used to carry out operational control to the audio amplifier.
Below to being illustrated by the audio amplifier by the control principle of key control music playback function.
In the utility model embodiment, if the bluetooth earphone without storage into the accommodating chamber of the audio amplifier, or
The bluetooth earphone is stored into the accommodating chamber of the audio amplifier and is not had audio output, the input of the R channel identification circuit
For low level signal, now the output end of the R channel identification circuit will be high level signal, and the high level signal will transmit
To the MCU processing modules, if now the key-press module has button operation, the MCU processing modules will press according to described
The volume button of key module+and volume button-signal perform audio amplifier volume control operation；
The bluetooth earphone is stored into the accommodating chamber of the audio amplifier and has audio output, the R channel identification circuit
Input is high level signal, and now the output end of the R channel identification circuit will be low level signal, the low level signal
The MCU processing modules will be delivered to, if now the key-press module has button operation, the MCU processing modules will pass through
Second communication module by the volume button for pressing the key-press module+and volume button-signal send to the of bluetooth earphone
One communication module, and then transmit to bluetooth module, send press volume button+and audio amplifier button-execution play it is previous first or
Latter first control command, so as to realize by the volume control button on the audio amplifier to control music previous first or latter
First playback of songs.
Refering to Fig. 9, in the utility model embodiment, the bluetooth earphone sets the one of first input/output interface
End is additionally provided with the first magnet, and the audio amplifier is additionally provided with the second magnet being adapted with first magnet, second magnetic
Iron is arranged inside the accommodating chamber, and magnetic attachment is produced by first magnet and the second magnet, so as to by the indigo plant
What tooth earphone was become reconciled agrees with the accommodating chamber, realizes the storage to institute's bluetooth earphone, certainly, in actual applications, this reality
Apply example and do not limit the mode for storing the bluetooth earphone in the audio amplifier.
It should be noted that the circuit structure of L channel output and the R channel output of above-mentioned bluetooth earphone is in certain situation
Lower to exchange, then the circuit structure of corresponding audio amplifier part is also corresponded to and exchanged.
In the utility model above-described embodiment, the MCU processing modules can specifically use STM8S003F3 chips, institute
BOOST boosting D class stereo audio power amplifiers can be used by stating power amplifier module, and the audio amplifier battery is that 3.7V/1500MA types can fill
Electric lithium battery, the boost module are MP3414 chips, and the audio processing modules are the conversion of NPCA110B sound channels and volume control
System, it is certainly, in actual applications, MCU processing modules described in the utility model, the power amplifier module, the audio amplifier battery, described
Boost module, described audio processing modules etc. are not limited to above-mentioned specific chip or battery.
The utility model is combined with audio amplifier by bluetooth earphone and provides a kind of bluetooth earphone sound box system, and the system was both
Audio amplifier and bluetooth separation can be used, the bluetooth earphone can also be received on the casing of loudspeaker box by magnetic mode
In accommodating chamber, and then the first input/output port by being arranged on the bluetooth earphone holds with the bluetooth earphone is arranged at
The bluetooth earphone and the audio amplifier are electrically connected with by the second input/output port received in chamber, so as to realize by the bluetooth
The earphone control audio amplifier intelligence start, give the bluetooth earphone intelligent charge by the audio amplifier and pass through the audio amplifier button
The function of music is controlled, the system architecture is compact, simple to operate, and can give the good usage experience of user.
Embodiment two
Refering to Figure 10, the utility model embodiment also provides a kind of audio amplifier, and the audio amplifier includes AUX input modules, audio
Processing module, power amplifier module, MCU processing modules, audio amplifier battery module, the audio processing modules input with the AUX respectively
Module, the power amplifier module and the MCU processing modules are electrically connected with, the MCU processing modules also with the audio amplifier battery mould
Block is electrically connected with, and the AUX input modules are used for external audio signal, and the audio amplifier battery module is used to supply to the audio amplifier
Electricity, the MCU processing modules are used to enter line command control operation to the audio amplifier, and further, the audio amplifier is additionally provided with appearance
Receive chamber, input/output port and storage identification module, the input/output port is arranged inside the accommodating chamber, the receipts
Identification module of receiving is electrically connected with the input/output port, the MCU processing modules respectively, wherein, the accommodating chamber is used for
The bluetooth earphone being adapted with the audio amplifier is stored, whether the storage identification module is used to detect takes in the bluetooth earphone
Into the accommodating chamber.In the present embodiment, the input/output port includes 9 signal pins, i.e.,：Charge power supply positive pole is defeated
Enter pin, charge power supply negative pole input pin, left channel audio signal positive output pin, left channel audio signal negative output pin, R channel
Audio signal positive output pin, right channel audio signal negative output pin, the positive pin of communication signal, communication signal bear pin and communication id
Pin；It should be clear that 9 signal pins corresponding with the mating ports presence for the bluetooth earphone that the audio amplifier is adapted.Optionally,
In the present embodiment, the input/output port of the audio amplifier is thimble input/output port.
Optionally, in the utility model embodiment, the audio amplifier includes multiple accommodating chambers, can accommodate multiple bluetooths
Earphone, the utility model embodiment are not intended to limit position and the number of the accommodating chamber.
The utility model embodiment is matched so as to store by setting the accommodating chamber on the audio amplifier
Bluetooth earphone, used in the bluetooth earphone of no adaptation as common audio amplifier, when storing and being fitted with bluetooth earphone, make
Used for Baffle Box of Bluetooth.
Refering to Figure 11, in the utility model embodiment, the audio amplifier, which also includes the audio amplifier, also includes earphone charging valve
Module is managed, the storage identification module includes L channel identification circuit, the L channel identification circuit and the input/output terminal
Mouthful be electrically connected with, the earphone charge management module respectively with the audio amplifier battery, input/output port, L channel identification circuit
It is electrically connected with, the earphone charge management module is used to control the audio amplifier battery to give the bluetooth earphone that the audio amplifier is adapted
Charging.Optionally, the earphone charge management module includes boosting unit and switch control unit, refers to phase in embodiment one
Hold inside the Pass, the switch control unit connects the boosting unit, the L channel identification circuit and the audio amplifier battery respectively
Module, the boosting unit are electrically connected with the input/output port.Specifically, in the present embodiment, the audio amplifier adaptation
When having bluetooth earphone and detecting the L channel high level signal of the bluetooth earphone, the switch control unit conducting, so that
Obtain the boosting unit to turn on the audio amplifier battery module so that the boosting unit produces charging voltage, logical so as to realize
The audio amplifier is crossed to the bluetooth earphone intelligent charge.Optionally, can be to multiple suitable when the audio amplifier includes multiple accommodating chambers
The bluetooth earphone matched somebody with somebody is charged.The pin number of the input/output interface set in each accommodating chamber can be different.
Concrete implementation circuit see correlation technique content in embodiment one.
The audio amplifier that the utility model embodiment provides can carry out intelligent charge for the bluetooth earphone of its adaptation so that described
The battery of audio amplifier obtains diversified utilization.
Figure 12 is referred to, in the utility model embodiment, the audio amplifier also includes audio amplifier switching on and shutting down management module, described
Storage identification module includes R channel identification circuit, the R channel identification circuit respectively with MCU processing modules, described defeated
Enter output port electric connection, the audio amplifier switching on and shutting down management module respectively with the R channel identification circuit, the MCU processing
Module, the audio amplifier battery module are electrically connected with, and the audio amplifier switching on and shutting down management module is used to control the audio amplifier to realize intelligence
Start；In the present embodiment, the audio amplifier switching on and shutting down management module includes PMU and power control circuit, section's reference
Related content in embodiment one, the power control circuit respectively with the PMU, audio amplifier battery module, R channel
Identification circuit is electrically connected with, and the PMU is electrically connected with the MCU processing modules.
In the utility model embodiment, when the audio amplifier is not fitted with bluetooth earphone, or the audio amplifier is fitted with
Bluetooth earphone but when bluetooth earphone does not have audio output, the voltage for being carried in the R channel identification circuit input is low electricity
Flat, the R channel identification circuit will export high level signal, the high level signal be delivered to simultaneously the MCU processing modules with
The power control circuit, the MCU processing modules will perform shutdown action, the power supply electricity according to the high level signal
Road will perform the power operation for disconnecting the PMU according to the high level signal, so as to realize that the audio amplifier closes automatically
Machine；
The audio amplifier is fitted with bluetooth earphone and when bluetooth earphone has audio output, is carried in the R channel identification circuit
The voltage of input is high level, and the R channel identification circuit will send low level signal, and the low level signal will pass simultaneously
The MCU processing modules and the power control circuit are delivered to, the power control circuit will perform according to the low level signal
The power operation of the PMU is turned on, this signal is sent to by the MCU processing modules according to the low level signal
The PMU, so as to open audio amplifier battery, realize start.
Concrete implementation circuit see correlation technique content in embodiment one.
The audio amplifier that the utility model embodiment provides can according to whether be accommodated with the bluetooth earphone of adaptation, and pass through detect it is blue
The low and high level signal of the R channel of tooth earphone, realize the intelligence start or shutdown of audio amplifier.
Refering to Figure 13, in the utility model embodiment, the audio amplifier also include the audio amplifier also include communication module and
Key-press module, the communication module are electrically connected with the MCU processing modules and the input/output port respectively, the button
Module is electrically connected with the MCU processing modules, and the communication module is used for the audio amplifier by institute's input/output port with leading to
Cross.
The bluetooth earphone that the input/output port is connected with audio amplifier carries out communication and is connected；The key-press module be used for pair
The audio amplifier carries out operational control or bluetooth earphone end is controlled, if specifically, the audio amplifier is without the bluetooth ear being adapted to
Machine, or the bluetooth earphone of adaptation do not have audio output, and the input of the R channel identification circuit is low level signal, now
The output end of the R channel identification circuit will be high level signal, and the high level signal will be delivered to the MCU processing mould
Block, if now the key-press module has button operation, the MCU processing modules are by the volume button according to the key-press module
+ and volume button-signal perform audio amplifier volume control operation；
If the bluetooth earphone of the audio amplifier adaptation has audio output, the input of the R channel identification circuit is high electricity
Ordinary mail number, now the output end of the R channel identification circuit will be low level signal, and the low level signal will be delivered to described
MCU processing modules, if now the key-press module has button operation, the MCU processing modules will be by communication module by institute
State the volume button of key-press module+and volume button-signal send to the bluetooth module of bluetooth earphone, send press volume by
Key+and audio amplifier button-execution play previous first or latter first control command, so as to realize by the volume on the audio amplifier
Control button controls music previous first or latter first playback of songs.
Refering to Figure 14, in the utility model embodiment, the audio amplifier is additionally provided with magnet, and the magnet is arranged at described
Inside accommodating chamber, the magnet is used to adsorb the bluetooth earphone being positioned in the accommodating chamber.
Optionally, the 26S Proteasome Structure and Function for the audio amplifier that the utility model embodiment two provides refers to the indigo plant of the offer of embodiment one
The 26S Proteasome Structure and Function for the audio amplifier that tooth earphone sound box system is included, will not be repeated here.
It should be noted that the circuit structure of L channel output and the R channel output of the bluetooth earphone of above-mentioned adaptation is one
In the case of fixed may exchange, then the circuit structure for the audio amplifier that the present embodiment provides also correspondent transform.
The bluetooth earphone of adaptation can be received into the accommodating chamber by audio amplifier described in the utility model, and by described defeated
Enter output port the audio amplifier and the bluetooth earphone are electrically connected with or communicated to connect, believed according to the output to bluetooth earphone
Number detection, charging to bluetooth earphone can be achieved, or realize the intelligent switch machine of audio amplifier, and realize by audio amplifier button
Control to bluetooth earphone.
The foregoing is only preferred embodiment of the present utility model, not for limitation the scope of protection of the utility model,
The scope of protection of the utility model is determined by claim.
Claims (10)
1. a kind of bluetooth earphone sound box system, the system includes bluetooth earphone and audio amplifier, and the bluetooth earphone includes earphone electricity
Pond module, bluetooth module, L channel output module, R channel output module；The audio amplifier includes AUX input modules, at audio
Manage module, power amplifier module, MCU processing modules, audio amplifier battery module, it is characterised in that：
The bluetooth earphone also includes the first input/output port, and first input/output port connects the L channel respectively
Output module and the R channel output module；
The audio amplifier is additionally provided with accommodating chamber, is arranged in the accommodating chamber, is adapted with first input/output port
Second input/output port, and storage identification module, it is described storage identification module respectively with second input/output port,
The MCU processing modules are electrically connected with；
The bluetooth earphone is movably set in the accommodating chamber, first input/output port and second input and output
Port is connected.
2. bluetooth earphone sound box system according to claim 1, it is characterised in that：
The bluetooth earphone also includes charge management module, the charge management module respectively with the headset batteries module and institute
State the electric connection of the first input/output port；
The audio amplifier also includes earphone charge management module, and the storage identification module includes L channel identification circuit, described
L channel identification circuit and second input/output port are electrically connected with, the earphone charge management module respectively with the sound
Case battery, the second input/output port, L channel identification circuit are electrically connected with, and the earphone charge management module controls the sound
Case battery gives the charging bluetooth earphone.
3. bluetooth earphone sound box system according to claim 1 or 2, it is characterised in that：The audio amplifier is also opened including audio amplifier
Shut down management module, the storage identification module includes R channel identification circuit, the R channel identification circuit respectively with it is described
MCU processing modules, second input/output port be electrically connected with, the audio amplifier switching on and shutting down management module respectively with the right sound
Road identification circuit, the MCU processing modules, the audio amplifier battery module are electrically connected with.
4. bluetooth earphone sound box system according to claim 3, it is characterised in that：It is logical that the bluetooth earphone also includes first
Module is interrogated, first communication module is electrically connected with the bluetooth module and first input/output port respectively；
The audio amplifier also includes the second communication module and key-press module, and second communication module handles mould with the MCU respectively
Block and second input/output port are electrically connected with, and the key-press module is electrically connected with the MCU processing modules.
5. bluetooth earphone sound box system according to claim 1, it is characterised in that：The bluetooth earphone sets described first
One end of input/output interface is additionally provided with the first magnet, and the audio amplifier is additionally provided with second be adapted with first magnet
Magnet, second magnet are arranged inside the accommodating chamber.
6. a kind of audio amplifier, the audio amplifier includes AUX input modules, audio processing modules, power amplifier module, MCU processing modules, audio amplifier
Battery module, it is characterised in that：
The audio amplifier is additionally provided with accommodating chamber, input/output port and storage identification module, the input/output port and set
In the accommodating chamber, the storage identification module electrically connects with the input/output port, the MCU processing modules respectively
Connect；
Wherein, the accommodating chamber is used to store the bluetooth earphone being adapted with the audio amplifier, and the bluetooth earphone passes through described defeated
Enter output interface to be connected with the audio amplifier, the bluetooth earphone that the storage identification module detection is adapted with the audio amplifier.
7. audio amplifier according to claim 6, it is characterised in that：The audio amplifier also includes earphone charge management module, described
Storage identification module includes L channel identification circuit, and the L channel identification circuit is electrically connected with the input/output port,
The earphone charge management module is electrically connected with the audio amplifier battery, input/output port, L channel identification circuit respectively, institute
State earphone charge management module and control the audio amplifier battery to the charging bluetooth earphone.
8. the audio amplifier according to claim 6 or 7, it is characterised in that：The audio amplifier also includes audio amplifier switching on and shutting down management module,
The storage identification module includes R channel identification circuit, the R channel identification circuit respectively with the MCU processing modules, institute
State input/output port electric connection, the audio amplifier switching on and shutting down management module respectively with the R channel identification circuit, the MCU
Processing module, the audio amplifier battery module are electrically connected with.
9. audio amplifier according to claim 8, it is characterised in that：The audio amplifier also includes communication module and key-press module, institute
Communication module is stated to be electrically connected with the MCU processing modules and the input/output port respectively, the key-press module with it is described
MCU processing modules are electrically connected with, and the MCU processing modules are sent out the push button signalling of the key-press module by the communication module
Deliver to the bluetooth earphone of adaptation.
10. audio amplifier according to claim 6, it is characterised in that：The audio amplifier is additionally provided with the bluetooth of absorption adaptation
The magnet of earphone, the magnet are arranged inside the accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720287288.4U CN206835331U (en) | 2017-03-22 | 2017-03-22 | A kind of bluetooth earphone sound box system and audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720287288.4U CN206835331U (en) | 2017-03-22 | 2017-03-22 | A kind of bluetooth earphone sound box system and audio amplifier |
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| CN206835331U true CN206835331U (en) | 2018-01-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108632703A (en) * | 2017-03-22 | 2018-10-09 | 深圳市三诺声智联股份有限公司 | A kind of bluetooth headset sound box system and speaker |
| CN113596675A (en) * | 2021-07-27 | 2021-11-02 | 惠州市欧凡实业有限公司 | Wireless Bluetooth audio output system and control method thereof |
-
2017
- 2017-03-22 CN CN201720287288.4U patent/CN206835331U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108632703A (en) * | 2017-03-22 | 2018-10-09 | 深圳市三诺声智联股份有限公司 | A kind of bluetooth headset sound box system and speaker |
| CN108632703B (en) * | 2017-03-22 | 2024-05-07 | 深圳市三诺声智联股份有限公司 | Bluetooth headset sound box system and sound box |
| CN113596675A (en) * | 2021-07-27 | 2021-11-02 | 惠州市欧凡实业有限公司 | Wireless Bluetooth audio output system and control method thereof |
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