CN103037282B - A kind of wireless sound box system - Google Patents
A kind of wireless sound box system Download PDFInfo
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- CN103037282B CN103037282B CN201210497314.8A CN201210497314A CN103037282B CN 103037282 B CN103037282 B CN 103037282B CN 201210497314 A CN201210497314 A CN 201210497314A CN 103037282 B CN103037282 B CN 103037282B
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Abstract
The invention discloses a kind of wireless sound box system, including electronic equipment and the audio amplifier for being placed on electronic equipment, the electronic equipment includes the loudspeaker module, audio processing modules, the first radio receiving transmitting module for being arranged at electronic equipment internal；The audio amplifier includes being arranged at the second radio receiving transmitting module, D/A modular converters, speaker of voice box, the receiver J-Horner for being arranged at the side of audio amplifier one inside audio amplifier；The electronic equipment transmits wireless signal with the audio amplifier by first radio receiving transmitting module and the second radio receiving transmitting module, long line need not be installed, and wireless bass audio amplifier can supplement the low frequency signal that the loudspeaker of electronic equipment can not be sent, the receiver J-Horner of the audio amplifier can be inserted into earphone simultaneously, earphone sounding can be only kept when being not intended to disturb by making noise to other people, the present invention can reach good acoustics, and use and easy for installation.
Description
Technical field
The present invention relates to audio amplifier field, more particularly to a kind of wireless sound box system.
Background technology
Due to developing rapidly for science and technology, the thickness more and more thinner of electronic equipment, frame is more and more narrow, therefore built-in raises
The size of sound device is also less and less therewith, so that the acoustics that result in electronic equipment is bad, and especially bass effect is further
Substantially.At present, external woofer can solve the problem of bass effect is bad, but traditional wired woofer is often needed
Longer line is installed, consumer can be met preferable acoustics is enjoyed while various distances are using electronic equipment,
And electronic equipment attractive in appearance in itself is so have impact on, install and movement is very inconvenient；Simultaneously electronic equipment is used at night
When, it will usually it is not desired to bother the household rested, therefore the outer playing function using audio amplifier and does not apply to, and in electronics
Demands of the various distances using electronic equipments can be met by directly needing also exist for longer line using wired earphone in equipment, to disappearing
Expense person brings inconvenience.
The content of the invention
The main object of the present invention is to provide a kind of wireless sound box system, it is desirable to provide one kind can be used alternatingly audio amplifier and
Long line need not be installed between earphone, and audio amplifier and electronic equipment can just possess the wireless sound box system of good bass effect.
It is described the invention provides a kind of wireless sound box system, including electronic equipment and the audio amplifier for being placed on electronic equipment
Electronic equipment includes the loudspeaker module, audio processing modules, the first radio receiving transmitting module for being arranged at electronic equipment internal, described
Audio processing modules are connected to the loudspeaker module and first radio receiving transmitting module；
The audio amplifier include being arranged at the second radio receiving transmitting module inside audio amplifier, D/A modular converters, speaker of voice box,
The receiver J-Horner of the side of audio amplifier one is arranged at, second radio receiving transmitting module is connected to the D/A modular converters and the sound
Case loudspeaker, the D/A modular converters are connected to the receiver J-Horner；
The electronic equipment is transmitted with the audio amplifier by first radio receiving transmitting module and the second radio receiving transmitting module
Wireless signal.
Preferably, the wireless sound box system also includes being placed on audio amplifier and the wired ear being engaged with the receiver J-Horner
Provided with the headset plugging detection module being connected with the receiver J-Horner, the headset plugging module at machine, and the receiver J-Horner
For detecting whether wired earphone inserts audio amplifier.
Preferably, the headset plugging detection module includes the metal-back being arranged at outside the receiver J-Horner and the gold
The connection of category shell and the first signal pins of ground connection, the 4th letter for connecting the earphone power amplifier module left and right sound channels output respectively
Number pin and the 5th signal pins, it is arranged in the 4th signal pins and the 5th signal pins and transmission left and right sound channels signal is extremely respectively
The L channel contact and R channel contact of wired earphone, the 3rd signal pins and the 6th signal pins that are connected with each other and are grounded, setting
In the insulation contact contacted respectively with the 4th signal pins and the 5th signal pins in the 3rd signal pins and the 6th signal pins,
The secondary signal pin and the 7th signal pins of interconnection, the pull-up electricity for being connected to the secondary signal pin and the 7th signal pins
Hinder, be arranged in the secondary signal pin and the 7th signal pins and be engaged respectively with the 3rd signal pins and the 6th signal pins
Conductor contact, first signal pins homogeneously connect with the 3rd signal pins and the 6th signal pins.
Preferably, the L channel that the plug of the wired earphone includes being sequentially connected touches section, R channel tactile section, ground section,
Left and right sound channels contact in 4th signal pins and the 5th signal pins respectively with the left and right sound on the wired earphone plug
Road touches section correspondence and contacted, and the metal-back is contacted with the ground section cooperation on the wired earphone plug.
Preferably, when being inserted without wired earphone, the conductor contact difference on the secondary signal pin and the 7th signal pins
It is in contact with the 3rd signal pins and the 6th signal pins, conducting ground connection, the headset plugging detection module detects low level signal.
Preferably, when the headset plugging detection module detects low level signal, by the low level signal send to
Second radio receiving transmitting module, and by second radio receiving transmitting module by first radio receiving transmitting module by the low electricity
Ordinary mail number is sent to the audio processing modules；
Whole frequency band stereophonic signal is transmitted separately to the loudspeaker module by the audio processing modules by IIS agreements
And first radio receiving transmitting module, the loudspeaker module reception Whole frequency band stereophonic signal and normal work, described first
Radio receiving transmitting module is received after Whole frequency band stereophonic signal, is modulated, amplifies and be concurrently incident upon second radio receiving transmitting module；
Second radio receiving transmitting module receives the Whole frequency band stereophonic signal after modulation, amplification and is recalled Whole frequency band
Stereophonic signal, then by IIS agreements by the Whole frequency band stereo signal transmission demodulated to the D/A modular converters, it is described
Speaker of voice box receives stereophonic signal and normal work, and the D/A modular converters receive the stereo letter of Whole frequency band demodulated
After number, digital audio and video signals are converted into simulated audio signal, and the signal is transferred to receiver J-Horner.
Preferably, the wireless sound box system also includes power of loudspeaker amplification module, audio amplifier power amplifier module and ear
Acc power amplifier module；The audio processing modules of the electronic equipment are connected to institute by the power of loudspeaker amplification module
State loudspeaker module；Second radio receiving transmitting module of the audio amplifier is connected to the audio amplifier by the audio amplifier power amplifier module
Loudspeaker, the D/A modular converters are connected to the receiver J-Horner by the earphone power amplifier module；
When the headset plugging detection module detects low level signal, the low level signal is sent to described second
Radio receiving transmitting module, and sent out the low level signal by first radio receiving transmitting module by second radio receiving transmitting module
Deliver to the audio processing modules；
Whole frequency band stereophonic signal is transmitted separately to the power of loudspeaker by the audio processing modules by IIS agreements
Amplification module and first radio receiving transmitting module, the power of loudspeaker amplification module receive Whole frequency band stereophonic signal and driven
The loudspeaker module normal work is moved, first radio receiving transmitting module is received after Whole frequency band stereophonic signal, modulated,
Amplification is concurrently incident upon second radio receiving transmitting module；
Second radio receiving transmitting module receives the Whole frequency band stereophonic signal after modulation, amplification and is recalled Whole frequency band
Stereophonic signal, then by IIS agreements by stereo signal transmission to the audio amplifier power amplifier module and the D/A moduluss of conversion
Block, the audio amplifier power amplifier module receives the Whole frequency band stereophonic signal demodulated and drives the normal work of the speaker of voice box
Make, the D/A modular converters are received after the Whole frequency band stereophonic signal demodulated, and digital audio and video signals are converted into analogue audio frequency
Signal, and receiver J-Horner is transferred to after amplifying the signal by the earphone power amplifier module.
Preferably, when wired earphone is inserted, left and right sound channels contact in the 4th signal pins and the 5th signal pins respectively with
Left and right sound channels on wired earphone plug are touched section correspondence and contacted, and receiver J-Horner outer metal housing and the ground section on wired earphone
Correspondence contact, now the insulation contact in the 3rd signal pins and the 6th signal pins is respectively by the 4th signal pins and the 5th
Signal pins top is opened, and the 3rd signal pins and the 6th signal pins is not in contact with the secondary signal pin and the 7th signal pins,
The secondary signal pin and the 7th signal pins disconnect grounding connection, now the headset plugging detection module by pull-up resistor with
Dc source is connected, and detects high level signal.
Preferably, when the headset plugging detection module detects high level signal, by the high level signal send to
Second radio receiving transmitting module, and it is by first radio receiving transmitting module that the height is electric by second radio receiving transmitting module
Ordinary mail number is sent to the audio processing modules；
The audio processing modules turn off the loudspeaker module by IIC control signals or MUTE control signals makes it
It is stopped, while using IIC control signals, passing through first radio receiving transmitting module transmission shut-off instruction to second nothing
Line transceiver module, second radio receiving transmitting module receives shut-off and instructs and pass through IIC control signals or MUTE control signals
Turning off the speaker of voice box makes it be stopped；
The audio processing modules are wirelessly received Whole frequency band stereo signal transmission to described first by IIS agreements simultaneously
Module is sent out, first radio receiving transmitting module is received after Whole frequency band stereophonic signal, modulated, amplify and be concurrently incident upon described the
Two radio receiving transmitting modules, second radio receiving transmitting module receives the Whole frequency band stereophonic signal after modulation, amplification and adjusted
Go out Whole frequency band stereophonic signal, then the D/A modular converters are transmitted it to by IIS agreements, the D/A modular converters are received
After stereophonic signal, digital audio and video signals are converted into simulated audio signal, and are passed to receiver J-Horner, make insertion has
Line earphone normal work.
Preferably, the wireless sound box system also includes power of loudspeaker amplification module, audio amplifier power amplifier module and ear
Acc power amplifier module；The audio processing modules of the electronic equipment are connected to institute by the power of loudspeaker amplification module
State loudspeaker module；Second radio receiving transmitting module of the audio amplifier is connected to the audio amplifier by the audio amplifier power amplifier module
Loudspeaker, the D/A modular converters are connected to the receiver J-Horner by the earphone power amplifier module；
When the headset plugging detection module detects high level signal, the high level signal is sent to described second
Radio receiving transmitting module, and sent out the high level signal by first radio receiving transmitting module by second radio receiving transmitting module
Deliver to the audio processing modules；
The audio processing modules turn off the power of loudspeaker by IIC control signals or MUTE control signals and amplified
Module makes loudspeaker module be stopped, while using IIC control signals, transmitted and turned off by first radio receiving transmitting module
Instruction is to second radio receiving transmitting module, and second radio receiving transmitting module receives shut-off and instructs and pass through IIC control signals
Or MUTE control signals turn off the audio amplifier power amplifier module and speaker of voice box is stopped；
The audio processing modules are wirelessly received Whole frequency band stereo signal transmission to described first by IIS agreements simultaneously
Module is sent out, first radio receiving transmitting module is received after Whole frequency band stereophonic signal, modulated, amplify and be concurrently incident upon described the
Two radio receiving transmitting modules, second radio receiving transmitting module receives the Whole frequency band stereophonic signal after modulation, amplification and adjusted
Go out Whole frequency band stereophonic signal, then the D/A modular converters are transmitted it to by IIS agreements, the D/A modular converters are received
After the Whole frequency band stereophonic signal demodulated, digital audio and video signals are converted into simulated audio signal, and pass through the earphone work(
Rate amplification module is transferred to receiver J-Horner after amplifying the signal, makes the wired earphone normal work of insertion.
The present invention includes electronic equipment and is placed on the audio amplifier of electronic equipment, and the electronic equipment is set including being arranged at electronics
Standby internal loudspeaker module, audio processing modules, the first radio receiving transmitting module, the audio processing modules are connected to institute
State loudspeaker module and first radio receiving transmitting module；The audio amplifier includes being arranged at the second wireless receiving and dispatching mould inside audio amplifier
Block, D/A modular converters, speaker of voice box, the receiver J-Horner for being arranged at the side of audio amplifier one, the second radio receiving transmitting module connection
In the D/A modular converters and the speaker of voice box, the D/A modular converters are connected to the receiver J-Horner；The electronics
Equipment transmits wireless signal with the audio amplifier by first radio receiving transmitting module and the second radio receiving transmitting module, it is not necessary to pacify
Long line is filled, and when being not intended to disturb by making noise to other people, only keeps earphone sounding.
Brief description of the drawings
Fig. 1 is the schematic block circuit diagram of an embodiment of wireless sound box system of the present invention；
Fig. 2 is the schematic block circuit diagram of headset plugging detection module of the present invention；
Fig. 3 is the schematic block circuit diagram of another embodiment of wireless sound box system of the present invention；
Fig. 4 is the inter-process block diagram of audio amplifier power amplifier module of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Technical scheme is further illustrated below in conjunction with Figure of description and specific embodiment.It should be appreciated that this
The specific embodiment of place description is not intended to limit the present invention only to explain the present invention.
Reference picture 1, Fig. 1 is the schematic block circuit diagram of an embodiment of wireless sound box system of the present invention；The invention provides
A kind of wireless sound box system, including electronic equipment 10 and the audio amplifier 20 for being placed on electronic equipment 10, the electronic equipment 10 include
Audio processing modules 110, loudspeaker module 120, the first radio receiving transmitting module 130 inside electronic equipment 10 are arranged at, it is described
Audio processing modules 110 are connected to the loudspeaker module 120 and first radio receiving transmitting module 130；The audio amplifier
20 include being arranged at the second radio receiving transmitting module 210 inside audio amplifier, D/A modular converters 220, speaker of voice box 230, are arranged at
The receiver J-Horner 240 of the side of audio amplifier one, second radio receiving transmitting module 210 is connected to the D/A modular converters 220 and described
Speaker of voice box 230, the D/A modular converters 220 are connected to the receiver J-Horner 240；The electronic equipment 10 and the sound
Case 20 transmits wireless signal by the radio receiving transmitting module 210 of the first radio receiving transmitting module 130 and second, it is not necessary to install length
Line, solves and long line is installed on audio amplifier can influence electronic equipment attractive in appearance in itself, and installs and mobile very inconvenient ask
Topic；And the receiver J-Horner 240 of the audio amplifier 20 can be inserted into earphone, when being not intended to disturb by making noise to other people, earphone sounding is only kept
.
Reference picture 1 and the schematic block circuit diagram that Fig. 2, Fig. 2 are headset plugging detection module of the present invention；The receiver J-Horner
Provided with the headset plugging detection module 250 being connected with the receiver J-Horner 240 at 240, the headset plugging detection module 250 is wrapped
Include the metal-back 2508 being arranged at outside the receiver J-Horner 240, the first signal pins for being connected and being grounded with the metal-back 2508
2501st, the 4th signal pins 2504 and the 5th signal pins of the left and right sound channels of earphone power amplifier module 250 output are connected respectively
2505th, be arranged in the 4th signal pins 2504 and the 5th signal pins 2505 and respectively transmission left and right sound channels signal to wired
The L channel contact 2512 and R channel contact 2513 of earphone 280, the 3rd signal pins 2503 and the 6th for being connected with each other and being grounded
Signal pins 2506, be arranged in the 3rd signal pins 2503 and the 6th signal pins 2506 respectively with the 4th signal pins 2504
With the 5th signal pins 2505 contact insulation contact 2510, be connected with each other the signal pins 2507 of secondary signal pin 2502 and the 7th,
It is connected to the pull-up resistor 2511 of the secondary signal pin 2502 and the 7th signal pins 2507, is arranged at the secondary signal
The conductor being engaged respectively in the signal pins 2507 of pin 2502 and the 7th and with the 3rd signal pins 2503 and the 6th signal pins 2506
Contact 2509, first signal pins 2501 homogeneously connect with the 3rd signal pins 2503 and the 6th signal pins 2506.Institute
Stating wireless sound box system also includes being placed on audio amplifier and the wired earphone 280 being engaged with the receiver J-Horner 240, the earphone
Plug-in module 250 is used to detect whether wired earphone 280 inserts audio amplifier.
Further, the L channel that the plug of the wired earphone 280 includes being sequentially connected touches the tactile section of section 2801, R channel
2802nd, L channel contact 2512 in ground section 2803, the 4th signal pins 2504 with the plug of the wired earphone 280
L channel touch the correspondence of section 2801 and contact, the R channel contact 2513 in the 5th signal pins 2505 respectively with wired ear
R channel on the plug of machine 280 touches the correspondence of section 2802 and contacted, and on the metal-back 2508 and the plug of wired earphone 280
Ground section 2803 coordinate contact.
When being inserted without wired earphone 280, the conductor contact in the signal pins 2507 of secondary signal pin 2502 and the 7th
2509 are in contact with the 3rd signal pins 2503 and the 6th signal pins 2506 respectively, conducting ground connection, the headset plugging detection module
250 detect low level signal.
As shown in figure 1, when the headset plugging detection module 250 detects low level signal, by the low level signal
Transmission passes through first wireless receiving and dispatching to second radio receiving transmitting module 210, and by second radio receiving transmitting module 210
Module 130 sends the low level signal to the audio processing modules 110；The audio processing modules 110 pass through IIS agreements
Whole frequency band stereophonic signal is transmitted separately to the loudspeaker module 120 and first radio receiving transmitting module 130, it is described to raise
Sound device module 120 receives Whole frequency band stereophonic signal and normal work, and first radio receiving transmitting module 130 receives Whole frequency band and stood
After body acoustical signal, modulated, amplify and be concurrently incident upon second radio receiving transmitting module 210；Second radio receiving transmitting module
210 receive the Whole frequency band stereophonic signal after modulation, amplification and are recalled Whole frequency band stereophonic signal, then pass through IIS agreements
By the Whole frequency band stereo signal transmission demodulated to the speaker of voice box 230 and the D/A modular converters 220, the sound
Case loudspeaker 230 receives the Whole frequency band stereophonic signal demodulated and normal work, and the D/A modular converters 220 receive demodulation
After the Whole frequency band stereophonic signal gone out, digital audio and video signals are converted into simulated audio signal, and the signal is transferred to earphone
Socket 240.
Further, as shown in figure 3, Fig. 3 is the schematic block circuit diagram of another embodiment of wireless sound box system of the present invention；
The wireless sound box system also includes power of loudspeaker amplification module 140, audio amplifier power amplifier module 260 and earphone power amplification
Device module 270；The audio processing modules 110 of the electronic equipment 10 are connected to by the power of loudspeaker amplification module 140
The loudspeaker module 120；Second radio receiving transmitting module 210 of the audio amplifier 20 passes through the audio amplifier power amplifier module 260
The speaker of voice box 230 is connected to, the D/A modular converters 220 are connected to institute by the earphone power amplifier module 270
State receiver J-Horner 240；
When the headset plugging detection module 250 detects low level signal, led to by second radio receiving transmitting module 210
First radio receiving transmitting module 130 is crossed to send the low level signal to the audio processing modules 110；The audio frequency process
Whole frequency band stereophonic signal is transmitted separately to the power of loudspeaker amplification module 140 and described by module 110 by IIS agreements
First radio receiving transmitting module 130, the power of loudspeaker amplification module 140 is received to be raised described in Whole frequency band stereophonic signal and driving
The normal work of sound device module 120, first radio receiving transmitting module 130 is received after Whole frequency band stereophonic signal, is modulated, put
Concurrently it is incident upon second radio receiving transmitting module 210 greatly；Second radio receiving transmitting module 210 receives complete after modulation, amplification
Band stereo signal is simultaneously recalled Whole frequency band stereophonic signal, then by IIS agreements that the Whole frequency band demodulated is stereo
Signal is transmitted to the audio amplifier power amplifier module 260 and the D/A modular converters 220, the audio amplifier power amplifier module 260
Receive the Whole frequency band stereophonic signal demodulated and drive the normal work of speaker of voice box 230, the D/A modular converters
220 are received after the Whole frequency band stereophonic signal demodulated, and digital audio and video signals are converted into simulated audio signal, and by described
Earphone power amplifier module 270 is transferred to receiver J-Horner 240 after amplifying the signal.
Reference picture 2, when wired earphone 280 is inserted, the L channel in the 4th signal pins 2504 and the 5th signal pins 2505
Contact 2512 touches the correspondence of section 2801 with the L channel on the plug of wired earphone 280 and contacted, R channel contact 2513 and wired earphone
R channel on 280 plugs touches the correspondence of section 2802 and contacted, and the outer metal housing 2508 of receiver J-Horner 240 and the plug of wired earphone 280
On the correspondence of ground section 2803 contact, the now insulation contact 2510 in the 3rd signal pins 2503 and the 6th signal pins 2506
Opened respectively by the 4th signal pins 2504 and the 5th signal pins 2505 top, make the 3rd signal pins 2503 and the 6th signal pins
2506 are not in contact with the signal pins 2507 of secondary signal pin 2502 and the 7th, the signal of secondary signal pin 2502 and the 7th
Pin 2507 disconnects grounding connection, and now the headset plugging detection module 250 is connected by pull-up resistor 2511 with dc source,
Detect high level signal.
As shown in figure 1, when the headset plugging detection module 250 detects high level signal, by the high level signal
Transmission passes through first wireless receiving and dispatching to second radio receiving transmitting module 210, and by second radio receiving transmitting module 210
Module 130 sends the high level signal to the audio processing modules 110；The audio processing modules 110 pass through IIC controls
Signal or MUTE control signals, which turn off the loudspeaker module 120, makes it be stopped, while using IIC control signals, leading to
The transmission of the first radio receiving transmitting module 130 shut-off instruction is crossed to second radio receiving transmitting module 210, the described second wireless receipts
Hair module 210, which receives shut-off instruction and turns off the speaker of voice box 230 by IIC control signals or MUTE control signals, to be made
It is stopped；Simultaneously the audio processing modules 110 by IIS agreements by Whole frequency band stereo signal transmission to described first
Radio receiving transmitting module 130, first radio receiving transmitting module 130 is received after Whole frequency band stereophonic signal, is modulated, amplified simultaneously
Transmitting is to second radio receiving transmitting module 210, and second radio receiving transmitting module 210 receives the Whole frequency band after modulation, amplification
Stereophonic signal is simultaneously recalled Whole frequency band stereophonic signal, then transmit it to the D/A modular converters by IIS agreements
220, the D/A modular converters 220 are received after the Whole frequency band stereophonic signal demodulated, and digital audio and video signals are converted into simulation
Audio signal, and receiver J-Horner 240 will be transferred to after the signal, make the normal work of wired earphone 280 of insertion.
Further, as shown in figure 3, Fig. 3 is the schematic block circuit diagram of another embodiment of wireless sound box system of the present invention；
The wireless sound box system also includes power of loudspeaker amplification module 140, audio amplifier power amplifier module 260 and earphone power amplification
Device module 270；The audio processing modules 110 of the electronic equipment 10 are connected to by the power of loudspeaker amplification module 140
The loudspeaker module 120；Second radio receiving transmitting module 210 of the audio amplifier 20 passes through the audio amplifier power amplifier module 260
The speaker of voice box 230 is connected to, the D/A modular converters 220 are connected to institute by the earphone power amplifier module 270
State receiver J-Horner 240；
When the headset plugging detection module 250 detects high level signal, the high level signal is sent to described
Second radio receiving transmitting module 210, and will by first radio receiving transmitting module 130 by second radio receiving transmitting module 210
The high level signal is sent to the audio processing modules 110；The audio processing modules 110 by IIC control signals or
MUTE control signals, which turn off the power of loudspeaker amplification module 140, makes loudspeaker module 120 be stopped, while utilizing IIC
Control signal, passes through first radio receiving transmitting module 130 transmission shut-off instruction to second radio receiving transmitting module 210, institute
The second radio receiving transmitting module 210 is stated to receive shut-off instruction and turn off the sound by IIC control signals or MUTE control signals
Case power amplifier module 260 makes speaker of voice box 230 be stopped；The audio processing modules 110 will by IIS agreements simultaneously
Whole frequency band stereo signal transmission to first radio receiving transmitting module 130, first radio receiving transmitting module 130 receives full range
Second radio receiving transmitting module 210 is concurrently incident upon with after stereophonic signal, being modulated, being amplified, second wireless receiving and dispatching
Module 210 receives the Whole frequency band stereophonic signal after modulation, amplification and is recalled Whole frequency band stereophonic signal, then passes through IIS
Agreement transmits it to the D/A modular converters 220, and the D/A modular converters 220 receive the stereo letter of Whole frequency band demodulated
After number, digital audio and video signals are converted into simulated audio signal, and the signal is amplified by the earphone power amplifier module 270
After be transferred to receiver J-Horner 240, make the normal work of wired earphone 280 of insertion.
Further, reference picture 4, Fig. 4 is the inter-process block diagram of audio amplifier power amplifier module of the present invention；The audio amplifier work(
Rate amplification module 260 includes adder 2601, low pass filter 2602 and the power amplifier 2603 being sequentially connected.The audio amplifier
Power amplifier module specific works step is：The Whole frequency band stereophonic signal demodulated enters after audio amplifier power amplifier module 260,
Signal all the way is added up to by the adder 2601, then by low pass filter 2602, by low frequency signal to power amplifier
2603 amplifications are exported to speaker of voice box 230.
The present invention includes electronic equipment and is placed on the audio amplifier of electronic equipment, and the electronic equipment passes through interior with the audio amplifier
The first radio receiving transmitting module for being placed in electronic equipment and the second radio receiving transmitting module transmission wireless signal for being built in audio amplifier, with this
Come solve boombox has not reached in current electronic equipment acoustics and external wired audio amplifier since it is desired that long line because
This installs inconvenience and influences the problem of its is attractive in appearance, and the present invention is connected with the receiver J-Horner for being arranged at the side of audio amplifier one and is placed on
The audio amplifier and the wired earphone being engaged with the receiver J-Horner, when being not intended to disturb by making noise to other people, only keep wired earphone hair
Locate full range stereophonic signal, while the wired earphone can be moved with audio amplifier, earphone wiring need not be long, and uses
Wired earphone rather than wireless headset, have saved system cost；Therefore the present invention can reach good acoustics, and use
And it is easy for installation, and the present invention can be used for TV and various other electronic equipments, it is applied widely.
The preferred embodiments of the present invention are the foregoing is only, its scope of the claims is not thereby limited, it is every to utilize the present invention
Equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, are directly or indirectly used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (7)
1. a kind of wireless sound box system, including electronic equipment and the audio amplifier for being placed on electronic equipment, it is characterised in that the electronics
Equipment includes being arranged at the loudspeaker module, audio processing modules, the first radio receiving transmitting module of electronic equipment internal, the audio
Processing module connects the loudspeaker module and first radio receiving transmitting module respectively；
The audio amplifier includes being arranged at the second radio receiving transmitting module inside audio amplifier, D/A modular converters, speaker of voice box, setting
Receiver J-Horner in one end of audio amplifier, second radio receiving transmitting module connects the D/A modular converters and the audio amplifier is raised one's voice
Device, the D/A modular converters connect the receiver J-Horner；
The electronic equipment transmits wireless with the audio amplifier by first radio receiving transmitting module and the second radio receiving transmitting module
Signal；
The wireless sound box system also includes being placed on audio amplifier and the wired earphone being engaged with the receiver J-Horner, and the ear
Machine spigot is provided with the headset plugging detection module being connected with the receiver J-Horner, and the headset plugging detection module is used to detect
Whether wired earphone inserts audio amplifier；
Metal-back that the headset plugging detection module includes being arranged at outside the receiver J-Horner, with the metal-back it is connected and connects
First signal pins on ground, the secondary signal pin being connected with each other and the 7th signal pins, be connected with each other and the 3rd signal pins of ground connection and
6th signal pins, and connect the 4th signal pins of the L channel output of the D/A modular converters and connect the D/A moduluss of conversion
5th signal pins of the R channel output of block；The headset plugging detection module includes the biography being arranged in the 4th signal pins
Left channel signals are passed to the L channel contact of wired earphone, the transmission right-channel signals that are arranged in the 5th signal pins to having
The R channel contact of line earphone, it is arranged at the insulation contact contacted in the 3rd signal pins with the 4th signal pins and setting
In the pull-up of the insulation contact, the connection secondary signal pin and the 7th signal pins contacted in the 6th signal pins with the 5th signal pins
Resistance, and be arranged at the conductor contact being engaged on the secondary signal pin with the 3rd signal pins and be arranged at the 7th signal
The conductor contact being engaged on pin with the 6th signal pins, first signal pins and the 3rd signal pins and the 6th signal pins
Homogeneously connect；
The L channel that the plug of the wired earphone includes being sequentially connected touches section, R channel tactile section, ground section, the 4th signal
L channel contact on pin touches that section is corresponding to be contacted with the L channel on the wired earphone plug, the right side in the 5th signal pins
Sound channel contact touches that section is corresponding contacts with the R channel on the wired earphone plug, and the metal-back and the wired earphone are slotting
Ground section on head coordinates contact.
2. wireless sound box system according to claim 1, it is characterised in that when being inserted without wired earphone, described second
Conductor contact in signal pins is in contact with the 3rd signal pins, and the conductor contact in the 7th signal pins connects with the 6th signal pins
Touch, conducting ground connection, the headset plugging detection module detects low level signal.
3. wireless sound box system according to claim 2, it is characterised in that the headset plugging detection module detects low
During level signal, the low level signal is sent to second radio receiving transmitting module, and by the second wireless receiving and dispatching mould
Block is sent the low level signal to the audio processing modules by first radio receiving transmitting module；
Whole frequency band stereophonic signal is transmitted separately to the loudspeaker module and institute by the audio processing modules by IIS agreements
The first radio receiving transmitting module is stated, the loudspeaker module receives Whole frequency band stereophonic signal and normal work, and described first is wireless
Transceiver module is received after Whole frequency band stereophonic signal, is modulated, amplifies and be concurrently incident upon second radio receiving transmitting module；
Second radio receiving transmitting module receives the Whole frequency band stereophonic signal after modulation, amplification and is demodulated Whole frequency band and stands
Body acoustical signal, then by IIS agreements by the Whole frequency band stereo signal transmission demodulated to the D/A modular converters, the sound
Case loudspeaker receives the Whole frequency band stereophonic signal demodulated and normal work, and it is complete that the D/A modular converters reception is demodulated
After band stereo signal, digital audio and video signals are converted into simulated audio signal, and simulated audio signal is transferred to earphone
Socket.
4. wireless sound box system according to claim 2, it is characterised in that the wireless sound box system also includes loudspeaker
Power amplifier module, audio amplifier power amplifier module and earphone power amplifier module；The audio processing modules of the electronic equipment lead to
Cross the power of loudspeaker amplification module and connect the loudspeaker module；Second radio receiving transmitting module of the audio amplifier passes through described
Audio amplifier power amplifier module connects the speaker of voice box, and the D/A modular converters are connected by the earphone power amplifier module
Connect the receiver J-Horner；
When the headset plugging detection module detects low level signal, the low level signal is sent to described second wireless
Transceiver module, and by second radio receiving transmitting module by first radio receiving transmitting module by the low level signal send to
The audio processing modules；
Whole frequency band stereophonic signal is transmitted separately to the power of loudspeaker by IIS agreements and amplified by the audio processing modules
Module and first radio receiving transmitting module, the power of loudspeaker amplification module receive Whole frequency band stereophonic signal and drive institute
Loudspeaker module normal work is stated, first radio receiving transmitting module receives after Whole frequency band stereophonic signal, modulated, amplified
Concurrently it is incident upon second radio receiving transmitting module；
Second radio receiving transmitting module receives the Whole frequency band stereophonic signal after modulation, amplification and is demodulated Whole frequency band and stands
Body acoustical signal, then by IIS agreements by stereo signal transmission to the audio amplifier power amplifier module and the D/A moduluss of conversion
Block, the audio amplifier power amplifier module receives the Whole frequency band stereophonic signal demodulated and drives the normal work of the speaker of voice box
Make, the D/A modular converters are received after the Whole frequency band stereophonic signal demodulated, and digital audio and video signals are converted into analogue audio frequency
Signal, and by being transferred to receiver J-Horner after the earphone power amplifier module amplified analog audio signal.
5. wireless sound box system according to claim 1, it is characterised in that when wired earphone is inserted, the 4th signal pins
On L channel contact touch that section is corresponding contacts with the L channel on wired earphone plug, the R channel contact in the 5th signal pins and
R channel on wired earphone plug touches section correspondence and contacted, and the ground section pair on the metal-back and wired earphone outside receiver J-Horner
Should contact, now the insulation contact in the 3rd signal pins by the 4th signal pins top open with the 6th signal pins described in
Insulation contact is opened by the 5th signal pins top, the 3rd signal pins is not in contact with the secondary signal pin, and the 6th signal
Pin is not in contact with the 7th signal pins, and the secondary signal pin and the 7th signal pins disconnect grounding connection, and now the earphone is inserted
Pull out detection module to be connected with dc source by pull-up resistor, detect high level signal.
6. wireless sound box system according to claim 5, it is characterised in that the headset plugging detection module detects height
During level signal, the high level signal is sent to second radio receiving transmitting module, and by the second wireless receiving and dispatching mould
Block is sent the high level signal to the audio processing modules by first radio receiving transmitting module；
The audio processing modules turn off the loudspeaker module by IIC control signals or MUTE control signals stops it
Work, while using IIC control signals, wirelessly being received to described second by first radio receiving transmitting module transmission shut-off instruction
Module is sent out, second radio receiving transmitting module receives shut-off instruction and turned off by IIC control signals or MUTE control signals
The speaker of voice box makes it be stopped；
Simultaneously the audio processing modules by IIS agreements by Whole frequency band stereo signal transmission to the first wireless receiving and dispatching mould
Block, first radio receiving transmitting module is received after Whole frequency band stereophonic signal, is modulated, amplifies and be concurrently incident upon second nothing
Line transceiver module, second radio receiving transmitting module receives the Whole frequency band stereophonic signal after modulation, amplification and demodulated
Whole frequency band stereophonic signal, then the D/A modular converters are transmitted it to by IIS agreements, the D/A modular converters receive solution
After the Whole frequency band stereophonic signal recalled, digital audio and video signals are converted into simulated audio signal, and simulated audio signal is passed
Receiver J-Horner is handed to, makes the wired earphone normal work of insertion.
7. wireless sound box system according to claim 5, it is characterised in that the wireless sound box system also includes loudspeaker
Power amplifier module, audio amplifier power amplifier module and earphone power amplifier module；The audio processing modules of the electronic equipment lead to
Cross the power of loudspeaker amplification module and connect the loudspeaker module；Second radio receiving transmitting module of the audio amplifier passes through described
Audio amplifier power amplifier module connects the speaker of voice box, and the D/A modular converters are connected by the earphone power amplifier module
Connect the receiver J-Horner；
When the headset plugging detection module detects high level signal, the high level signal is sent to described second wireless
Transceiver module, and by second radio receiving transmitting module by first radio receiving transmitting module by the high level signal send to
The audio processing modules；
The audio processing modules turn off the power of loudspeaker amplification module by IIC control signals or MUTE control signals
Loudspeaker module is set to be stopped, while using IIC control signals, passing through first radio receiving transmitting module transmission shut-off instruction
To second radio receiving transmitting module, second radio receiving transmitting module receive shut-off instruction and by IIC control signals or
MUTE control signals, which turn off the audio amplifier power amplifier module, makes speaker of voice box be stopped；
Simultaneously the audio processing modules by IIS agreements by Whole frequency band stereo signal transmission to the first wireless receiving and dispatching mould
Block, first radio receiving transmitting module is received after Whole frequency band stereophonic signal, is modulated, amplifies and be concurrently incident upon second nothing
Line transceiver module, second radio receiving transmitting module receives the Whole frequency band stereophonic signal after modulation, amplification and demodulated
Whole frequency band stereophonic signal, then the D/A modular converters are transmitted it to by IIS agreements, the D/A modular converters receive solution
After the Whole frequency band stereophonic signal recalled, digital audio and video signals are converted into simulated audio signal, and pass through the earphone power
Receiver J-Horner is transferred to after amplification module amplified analog audio signal, makes the wired earphone normal work of insertion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210497314.8A CN103037282B (en) | 2012-11-29 | 2012-11-29 | A kind of wireless sound box system |
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| CN201210497314.8A CN103037282B (en) | 2012-11-29 | 2012-11-29 | A kind of wireless sound box system |
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| CN103037282B true CN103037282B (en) | 2017-11-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581457A (en) * | 2015-01-27 | 2015-04-29 | 深圳市魅动音响有限公司 | Portable wireless charging stereo |
| CN106454644B (en) * | 2016-09-30 | 2020-09-04 | 北京小米移动软件有限公司 | Audio playing method and device |
| 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 |
| CN107885480A (en) * | 2017-10-12 | 2018-04-06 | Tcl通力电子（惠州）有限公司 | Interface detects circuit and audio frequency apparatus |
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| CN103037282A (en) | 2013-04-10 |
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