CN110503955A - Intelligent sound control system - Google Patents
Intelligent sound control system Download PDFInfo
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- CN110503955A CN110503955A CN201910818199.1A CN201910818199A CN110503955A CN 110503955 A CN110503955 A CN 110503955A CN 201910818199 A CN201910818199 A CN 201910818199A CN 110503955 A CN110503955 A CN 110503955A
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- 230000003993 interaction Effects 0.000 abstract description 5
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- 238000005516 engineering process Methods 0.000 description 6
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L17/00—Speaker identification or verification techniques
- G10L17/22—Interactive procedures; Man-machine interfaces
- G10L17/24—Interactive procedures; Man-machine interfaces the user being prompted to utter a password or a predefined phrase
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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Abstract
Intelligent sound control system of the invention passes through setting power supply module, voice module and WiFi module.In actual application process, the setting of voice module allows intelligent sound control system to have voice control function, and user, which only needs to say key word information, to control intelligent sound control system, simple and convenient, and matching user scope is wide；Furthermore, the setting of TTL converting unit, can allow intelligent sound control system with default parameters 5.0V is high level signal, 0V is low level signal peripheral device communication when, intelligent sound control system can also be established a connection and be communicated, intelligent sound control system can be communicated with multiple external equipments and carries out data interaction for the ability to communicate for greatly improving intelligent sound control system.
Description
Technical field
The present invention relates to field of intelligent control technology, more particularly to a kind of intelligent sound control system.
Background technique
Currently, smart home is to utilize comprehensive wiring technology, network communication technology, safety precaution skill using house as platform
Art, automatic control technology, audio and video technology integrate the related facility of home life, construct efficient housing facilities and Family Day
The management system of journey affairs promotes house security, convenience, comfort, artistry, and realizes the inhabitation ring of environmental protection and energy saving
Border.Smart home is the embodiment of the instrumentation under the influence of internet.Smart home will be various in family by technology of Internet of things
Equipment connects together, and provides home wiring control, Lighting control, remote control using telephone, indoor and outdoor remote control, burglar alarm, environment prison
The multiple functions such as survey, HVAC control, infrared forwarding and programmable Timer control and means.Compared with common household, intelligent family
Occupying not only has traditional inhabitation function, has both building, network communication, information household appliances, equipment automatization, provides comprehensive letter
Interactive function is ceased, even various energy expenditures save fund.
Favorite of the smart home as the new era, has been subjected to more and more users and has been liked.Smart home will be realized
Intelligent control, inside must configure intelligent sound control system, by intelligent sound control system start or close intelligence
Household.But existing intelligent sound control system, majority are to establish connection with cell phone application, are come by cell phone application to intelligent sound
Control system is operated.But aforesaid way, for some the elderlys or age lesser child, the intelligence of aforesaid operations
Deficiency establishes connection with cell phone application, needs the relative parameters setting smart home in cell phone application, for the elderly and small
For child, operation is inconvenient victory；In addition, existing intelligent sound control system, it is high level that 3.3V, which is arranged, in internal default
Signal, 0V are low level signal, are high level signal for some external equipment default setting 5.0V, and 0V is low level signal
It says, intelligent sound control system can not communicate with each other with these external equipments and carry out data interaction, so that existing intelligence
The ability to communicate of speech control system is limited, i.e., can not interact, cause existing with some more special external device datas
Intelligent sound control system suitability is not strong, has certain limitation.
Summary of the invention
The purpose of the present invention is overcoming shortcoming in the prior art, provide it is a kind of having voice control function,
Wide with user scope, simple and convenient, ability to communicate carries out data friendship preferably, can communicate with multiple external equipments
Mutual intelligent sound control system.
The purpose of the present invention is achieved through the following technical solutions:
A kind of intelligent sound control system, comprising:
Power supply module, the power supply module include main voltage cell and secondary voltage unit, the main voltage cell
Input terminal and the input terminal of the secondary voltage unit be used to connect with external power supply；
Voice module, the voice module include speech chip, voice memory unit, microphone unit and loudspeaker unit,
First power end of the speech chip is connect with the output end of the main voltage cell, the second source of the speech chip
End is connect with the output end of the secondary voltage unit, and the voice memory unit is connect with the speech chip, the Mike
The output end of wind unit is connect with the voice input terminal of the speech chip, the input terminal of the loudspeaker unit and the voice core
The speech output end of piece connects；And
WiFi module, the WiFi module include WiFi chip, WiFi storage unit, antenna element, TTL converting unit and
Interface unit, the power end of the WiFi chip are connect with the output end of the main voltage cell, and the WiFi chip leads to
News end is connect with the communication terminal of the speech chip, and the WiFi storage unit is connect with the WiFi chip, the antenna list
First to connect with the WiFi chip, the TTL converting unit is connect with the WiFi chip, the TTL converting unit with it is described
The output end of main voltage cell connects, and the TTL converting unit is also connect with external power supply, the power end of the interface unit
It is connect with external power supply, the interface unit is connect with the TTL converting unit, and the interface unit is also used to external equipment company
It connects.
In a wherein embodiment, the main voltage cell includes decompression chip Q1, capacitor C1, capacitor C2, electricity
Hold C3, capacitor C4, capacitor C5, capacitor C6, capacitor C7, inductance L1, resistance R1 and resistance R2, the input terminal of the decompression chip Q1
Input terminal as the main voltage cell is connect with one end of one end of the capacitor C5 and the capacitor C7 respectively, described
The other end of capacitor C5 is grounded, the other end ground connection of the capacitor C7, the output end series connection inductance of the decompression chip Q1
Output end of the L1 as the main voltage cell, one end of enable end and the capacitor C5 of the decompression chip Q1 and described
One end of capacitor C2 connects, the other end ground connection of the capacitor C2, the ground terminal ground connection of the decompression chip Q1, the resistance R1
One end connect with one end of the inductance L1, the other end of the resistance R1 is connect with one end of the resistance R2, the electricity
The other end ground connection of R2 is hindered, the feedback end of the decompression chip Q1 is connect with one end of the resistance R2, the capacitor C3 and institute
It states resistance R1 to be connected in parallel, one end of the capacitor C1 is connect with one end of the resistance R1, another termination of the capacitor C1
Ground, one end of the capacitor C4 are connect with one end of the resistance R1, the other end ground connection of the capacitor C4, the capacitor C6's
One end is connect with one end of the resistance R1, the other end ground connection of the capacitor C6.
In a wherein embodiment, the secondary voltage unit include decompression chip Q4, capacitor C39, capacitor C44,
Inductance L3, resistance R21, resistance R22, capacitor C42 and capacitor C50, the input terminal of the decompression chip Q4 is as the secondary electrical
The input terminal of pressure unit is connect with one end of the capacitor C39, the other end ground connection of the capacitor C39, the decompression chip Q4
Output end connect output end of the inductance L3 as the secondary voltage unit, the enable end difference of the decompression chip Q4
It is connect with one end of one end of the capacitor C39 and the capacitor C44, the other end ground connection of the capacitor C44, the resistance
One end of R21 is connect with one end of the inductance L3, and the other end of the resistance R21 is connect with one end of the resistance R22, institute
The other end ground connection of resistance R22 is stated, the capacitor C42 is connected in parallel with the resistance R21, one end of the capacitor C50 and institute
State one end connection of inductance L3, the other end ground connection of the capacitor C50.
In a wherein embodiment, the microphone unit includes microphone MIC1, capacitor C75, capacitor C77, electricity
Hinder the 1st foot series connection resistance of R43, microphone MIC2, capacitor C79, capacitor C81 and resistance R44, the microphone MIC1
R43 is connect with the speech chip, and the 2nd foot, the 4th foot and the 5th foot of the microphone MIC1 is grounded, the microphone MIC1
The 3rd foot connect with the voice input terminal of the speech chip, one end of one end of the capacitor C77 and the resistance R43 connect
It connects, the other end ground connection of the capacitor C77, the 1st foot series connection resistance R44 of the microphone MIC2 and the speech chip
The connection of voice input terminal, the 2nd foot, the 4th foot and the 5th foot of the microphone MIC2 be grounded, the 3rd of the microphone MIC2 the
Foot is connect as described with the speech chip, and one end of the capacitor C81 is connect with one end of the resistance R44, the electricity
Hold the other end ground connection of C81.
In a wherein embodiment, the microphone unit further includes capacitor C76 and resistance R58, the capacitor C76
One end connect with the speech chip, the other end of the capacitor C76 is connect with one end of the resistance R58, the resistance
The other end of R58 is grounded.
In a wherein embodiment, the microphone unit further includes capacitor C78 and resistance R59, the capacitor C78
One end connect with the speech chip, the other end of the capacitor C78 is connect with one end of the resistance R59, the resistance
The other end of R59 is grounded.
In a wherein embodiment, the loudspeaker unit include capacitor C85, resistance R36, capacitor C56, capacitor C62,
Resistance R37, capacitor C57, resistance R33, power amplifier chips Q6, resistance R39, capacitor C38, capacitor C67, capacitor C66, capacitor C55, electricity
Hold C56, loudspeaker SPK, capacitor C34, capacitor C59, capacitor C35 and capacitor C60, one end of the capacitor C85 and the voice core
The speech output end of piece connects, and the other end of the capacitor C85 is connect with one end of the resistance R36, and the resistance R36's is another
One end is connect with one end of the capacitor C56, and one end of the capacitor C62 is connect with the speech output end of the speech chip,
The other end of the capacitor C62 is connect with one end of the resistance R37, and the other end of the resistance R37 is with the capacitor C57's
One end connection, one end of the resistance R33 are connect with the other end of the other end of the capacitor C62 and the resistance R37 respectively,
The 1st foot of power amplifier chips Q6 one end and the resistance R39 with one end of the capacitor C67 and the resistance R38 respectively
One end connection, the capacitor C67 the other end ground connection, the resistance R38 the other end ground connection, the resistance R39's is another
End is connect with the speech chip, the 2nd foot series connection of the power amplifier chips Q6 capacitor C66 ground connection, the power amplifier chips Q6
The 4th foot connect with one end of the resistance R33, the 5th foot of the power amplifier chips Q6 is connect with the 1st foot of the loudspeaker SPK,
The 6th foot of the power amplifier chips Q6 is connect with one end of one end of the capacitor C65 and the capacitor C55 respectively, the capacitor
The other end of the other end of C65 and the capacitor C55 are grounded, the 7th foot ground connection of the power amplifier chips Q6, the power amplifier chips
The 8th foot of Q6 is connect with the 2nd foot of the loudspeaker SPK, and the 3rd foot and the 4th foot of the loudspeaker SPK is grounded.
In a wherein embodiment, the antenna element includes duplexer U1, capacitor C82, resistance R5 and resistance R9,
The 1st foot, the 3rd foot and the 5th foot of the duplexer U1 is grounded, the 2nd foot series connection capacitor C82 of the duplexer U1, institute
The 4th foot series connection resistance R9 for stating duplexer U1 is connect with the WiFi chip, described in the 6th foot series connection of the duplexer U1
Resistance R5 is connect with the WiFi chip.
In a wherein embodiment, the TTL converting unit includes conversion chip Q1_0, resistance R48, resistance R46
With resistance R12, the 1st foot and the 2nd foot of the conversion chip Q1_0 is connect with the WiFi chip, the conversion chip Q1_0
The 3rd foot resistance R48 that connects connect with the output end of the main voltage cell, the 4th foot of the conversion chip Q1_0
It is connect with the interface unit, the 5th foot of the conversion chip Q1_0 is connected the output of the resistance R46 and main voltage cell
End connection, the 6th foot of the conversion chip Q1_0 is connect with one end of the resistance R12 and the interface unit respectively, described
The other end of resistance R12 is connect with external power supply.
In a wherein embodiment, the interface unit includes connection terminal CON1, resistance R4, resistance R14 and electricity
R15 is hindered, the 1st foot series connection resistance R4 of the connection terminal CON1 is connect with external power supply, the connection terminal CON1's
2nd foot ground connection, connect the 6th foot of the resistance R14 and the conversion chip Q1_0 of the 3rd foot of the connection terminal CON1 connect
It connects, the 4th foot of the connection terminal CON1 resistance R15 that connects is connect with the 4th foot of the conversion chip Q1_0.
The present invention compared with the prior art the advantages of and have the beneficial effect that:
Intelligent sound control system of the invention passes through setting power supply module, voice module and WiFi module.Actual
In application process, the setting of voice module allows intelligent sound control system to have voice control function, and user only needs to say
Key word information can control intelligent sound control system, simple and convenient, and matching user scope is wide；In addition, TTL
The setting of converting unit, can allow intelligent sound control system and default parameters 5.0V is high level signal, 0V is low level letter
Number peripheral device communication when, intelligent sound control system can also be established a connection and be communicated, and greatly improve intelligence
Intelligent sound control system can be communicated with multiple external equipments and carries out data interaction for the ability to communicate of speech control system.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the module diagram of the intelligent sound control system in one embodiment of the present invention；
Fig. 2 is the circuit theory schematic diagram of the main voltage cell in one embodiment of the present invention；
Fig. 3 is the circuit theory schematic diagram of the secondary voltage unit in one embodiment of the present invention；
Fig. 4 is the circuit theory schematic diagram of the speech chip in one embodiment of the present invention；
Fig. 5 is the circuit theory schematic diagram of the microphone unit in one embodiment of the present invention；
Fig. 6 is the circuit theory schematic diagram of the loudspeaker unit in one embodiment of the present invention；
Fig. 7 is the circuit theory schematic diagram of the WiFi chip in one embodiment of the present invention；
Fig. 8 is the circuit theory schematic diagram of the antenna element in one embodiment of the present invention；
Fig. 9 is the circuit theory schematic diagram of the TTL converting unit in one embodiment of the present invention；
Figure 10 is the circuit theory schematic diagram of the interface unit in one embodiment of the present invention.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Referring to Fig. 1, a kind of intelligent sound control system 10 includes power supply module 100, voice module 200 and WiFi module
300。
It is thus desirable to which explanation, power supply module 100 play the role of power supply；Voice module 200 plays voice control
Effect, allows user that can start intelligent sound control system 10 by the way of voice control；WiFi module 300 plays wirelessly
The effect of communication.
Referring to Fig. 1, power supply module 100 includes main voltage cell 110 and secondary voltage unit 120, main voltage list
The input terminal of member 110 and the input terminal of secondary voltage unit 120 are used to connect with external power supply.
It is thus desirable to which explanation, main voltage cell 110 and secondary voltage unit 120 play the work of voltage supply
With main voltage cell 110 is used to for the voltage of external power supply 5V being transformed into 3.3V, and secondary voltage unit 120 is used for will be external
The voltage of power supply 5V is transformed into 1.1V.
Referring to Fig. 1, voice module 200 includes speech chip 210, voice memory unit 220,230 and of microphone unit
First power end of loudspeaker unit 240, speech chip 210 is connect with the output end of main voltage cell 110, speech chip 210
Second source end connect with the output end of secondary voltage unit 220, voice memory unit 220 is connect with speech chip 210, wheat
Gram output end of wind unit 230 is connect with the voice input terminal of speech chip 210, the input terminal and voice core of loudspeaker unit 240
The speech output end of piece 210 connects.
It is thus desirable to which explanation, speech chip 210 play the role of control；Voice memory unit 220 plays storage
Function；Microphone unit 230 is for acquiring voice signal；Loudspeaker unit 240 plays the role of broadcast.It is completed for bulletin user
Relevant control operation.
Referring to Fig. 1, WiFi module 300 includes WiFi chip 310, WiFi storage unit 320, antenna element 330, TTL
The power end of converting unit 340 and interface unit 350, WiFi chip 310 is connect with the output end of main voltage cell 110,
The communication terminal of WiFi chip 310 is connect with the communication terminal of speech chip 210, and WiFi storage unit 320 and WiFi chip 310 connect
It connects, antenna element 330 is connect with WiFi chip 310, and TTL converting unit 340 is connect with WiFi chip 310, TTL converting unit
340 connect with the output end of main voltage cell 110, and TTL converting unit 340 is also connect with external power supply, interface unit 350
Power end is connect with external power supply, and interface unit 350 is connect with TTL converting unit 340, and interface unit 350 is also used to outside and sets
Standby connection.
It is thus desirable to which explanation, WiFi chip 310 play the role of control；WiFi storage unit 320 plays storage
Effect；Antenna element 330 is for receiving wireless signal；Interface unit 350 is used to connect with external devices；TTL converting unit 340
Setting, can allow intelligent sound control system 10 and default parameters 5.0V is high level signal, 0V is the outer of low level signal
When portion's device talk, intelligent sound control system 10 can also be established a connection and be communicated, and greatly improve intelligent sound
Intelligent sound control system 10 can be communicated with multiple external equipments and carries out data interaction for the ability to communicate of control system 10.
Further, referring to Fig. 2, in one embodiment, main voltage cell 110 includes decompression chip Q1, capacitor
C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, capacitor C7, inductance L1, resistance R1 and resistance R2 are depressured chip Q1
Input terminal connect respectively with one end of one end of capacitor C5 and capacitor C7 as the input terminal of main voltage cell 110, capacitor
The other end of C5 is grounded, and the other end ground connection of capacitor C7 is depressured the output end series inductance L1 of chip Q1 as main voltage list
The enable end of the output end of member 110, decompression chip Q1 is connect with one end of one end of capacitor C5 and capacitor C2, and capacitor C2's is another
End ground connection, the ground terminal ground connection of decompression chip Q1, one end of resistance R1 connect with one end of inductance L1, the other end of resistance R1 and
One end of resistance R2 connects, and the other end ground connection of resistance R2, the feedback end of decompression chip Q1 is connect with one end of resistance R2, capacitor
C3 is connected in parallel with resistance R1, and one end of capacitor C1 is connect with one end of resistance R1, the other end ground connection of capacitor C1, capacitor C4's
One end is connect with one end of resistance R1, and the other end ground connection of capacitor C4, one end of capacitor C6 is connect with one end of resistance R1, capacitor
The other end of C6 is grounded.
It is thus desirable to which explanation, is depressured the model FP6381 of chip Q1, working principle is no longer elaborated, and is
It is well known to those skilled in the art；Capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6 and capacitor C7 are played
The clutter in voltage is eliminated in the effect of filtering, allows main voltage cell 110 that can output voltage be preferably corresponding function mould
Block is powered；Inductance L1 and capacitor C1 play LC filter network, are filtered；Resistance R1 and resistance R2 play feedback voltage
Effect, the output voltage size of main voltage cell 110 are determined by resistance R1 and resistance R2.
Further, referring to Fig. 2, in one embodiment, secondary voltage unit 120 includes decompression chip Q4, capacitor
C39, capacitor C44, inductance L3, resistance R21, resistance R22, capacitor C42 and capacitor C50, the input terminal of decompression chip Q4 is as secondary
The input terminal of step voltage unit 120 is connect with one end of capacitor C39, and the other end ground connection of capacitor C39 is depressured the output of chip Q4
Hold output end of the series inductance L3 as secondary voltage unit 120, the enable end of decompression chip Q4 one end with capacitor C39 respectively
It is connected with one end of capacitor C44, the other end ground connection of capacitor C44, one end of resistance R21 is connect with one end of inductance L3, resistance
The other end of R21 is connect with one end of resistance R22, and the other end ground connection of resistance R22, capacitor C42 is connected in parallel with resistance R21,
One end of capacitor C50 is connect with one end of inductance L3, the other end ground connection of capacitor C50.
It is thus desirable to which explanation, is depressured the model FP6381 of chip Q4, working principle is no longer elaborated, and is
It is well known to those skilled in the art；Capacitor C39, capacitor C44 and capacitor C50 play the role of filtering；Inductance L3 and capacitor C42
LC filter network is formed, for being filtered；Resistance R21 and resistance R22 plays the role of feedback voltage, secondary voltage unit
120 output voltage size is determined by resistance R21 and resistance R22.
Further, referring to Fig. 5, in one embodiment, microphone unit 230 includes microphone MIC1, capacitor
C75, capacitor C77, resistance R43, microphone MIC2, capacitor C79, capacitor C81 and resistance R44, the 1st foot series connection of microphone MIC1
Resistance R43 is connect with speech chip 210, and the 2nd foot, the 4th foot and the 5th foot of microphone MIC1 is grounded, and the 3rd of microphone MIC1 the
The connection of the voice input terminal of foot and speech chip, one end of capacitor C77 are connect with one end of resistance R43, the other end of capacitor C77
Ground connection, the 1st foot series resistance R44 of microphone MIC2 and the voice input terminal of speech chip connect, and the 2nd of microphone MIC2 the
Foot, the 4th foot and the 5th foot are grounded, and the 3rd foot of microphone MIC2 is connect as with speech chip, one end of capacitor C81 and resistance
One end of R44 connects, the other end ground connection of capacitor C81.
It is thus desirable to which the model of explanation, microphone MIC1 and microphone MIC2 are EBM3729AT, work is former
Reason no longer elaborates, and is well known to those skilled in the art；Capacitor C75 and capacitor C79 play the role of filtering, by Mike
Wind MIC1 and the collected voice signal of microphone MIC2 are filtered；Resistance R43 and resistance R44 is pull-up resistor,
For guaranteeing that microphone MIC1 and microphone MIC2 can be worked normally；Capacitor C77 and capacitor C81 play the role of filtering,
Eliminate clutter.
Further, referring to Fig. 5, in one embodiment, microphone unit 230 further includes capacitor C76 and electricity
R58 is hindered, one end of capacitor C76 is connect with speech chip 210, and the other end of capacitor C76 is connect with one end of resistance R58, resistance
The other end of R58 is grounded.
It is thus desirable to which explanation, the matching network of capacitor C76 and resistance R58 composition microphone MIC1, eliminate microphone
Noise interference in MIC1, microphone MIC1 can preferably export collected voice signal.
Further, referring to Fig. 5, in one embodiment, microphone unit 230 further includes capacitor C78 and electricity
R59 is hindered, one end of capacitor C78 is connect with speech chip 210, and the other end of capacitor C78 is connect with one end of resistance R59, resistance
The other end of R59 is grounded.
It is thus desirable to which explanation, the matching network of capacitor C78 and resistance R59 composition microphone MIC2, eliminate microphone
Noise interference in MIC2, microphone MIC2 can preferably export collected voice signal.
Further, referring to Fig. 6, in one embodiment, loudspeaker unit 240 includes capacitor C85, resistance R36, capacitor
C56, capacitor C62, resistance R37, capacitor C57, resistance R33, power amplifier chips Q6, resistance R39, capacitor C38, capacitor C67, capacitor
C66, capacitor C55, capacitor C56, loudspeaker SPK, capacitor C34, capacitor C59, capacitor C35 and capacitor C60, one end of capacitor C85 with
The speech output end of speech chip 210 connects, and the other end of capacitor C85 is connect with one end of resistance R36, and resistance R36's is another
End is connect with one end of capacitor C56, and one end of capacitor C62 is connect with the speech output end of speech chip 210, and capacitor C62's is another
One end is connect with one end of resistance R37, and the other end of resistance R37 is connect with one end of capacitor C57, one end difference of resistance R33
Connect with the other end of the other end of capacitor C62 and resistance R37, the 1st foot of power amplifier chips Q6 respectively with one end of capacitor C67 and
One end of resistance R38 is connected with one end of resistance R39, the other end ground connection of capacitor C67, the other end ground connection of resistance R38, resistance
The other end of R39 is connect with speech chip, the 2nd foot series capacitance C66 ground connection of power amplifier chips Q6, the 4th foot of power amplifier chips Q6
It is connect with one end of resistance R33, the 5th foot of power amplifier chips Q6 is connect with the 1st foot of loudspeaker SPK, the 6th foot point of power amplifier chips Q6
It not being connect with one end of one end of capacitor C65 and capacitor C55, the other end of capacitor C65 and the other end of capacitor C55 are grounded,
The 7th foot of power amplifier chips Q6 is grounded, and the 8th foot of power amplifier chips Q6 is connect with the 2nd foot of loudspeaker SPK, the 3rd foot of loudspeaker SPK with
4th foot is grounded.
It is thus desirable to which explanation, the model CS8138S of power amplifier chips Q6, working principle no longer elaborate, it is
It is well known to those skilled in the art；Capacitor C85, resistance R36, capacitor C56, capacitor C62, resistance R37, capacitor C57 and resistance R33
Form power amplifier chips Q6 matching network, the voice signal that power amplifier chips Q6 can preferably export speech chip 210 into
Row amplification is transmitted to again in loudspeaker SPK, with this bulletin user；Resistance R38 and capacitor C67 forms RC filter network, is filtered
Processing；Resistance R39 is limit resistance, prevents excessive circuit damage power amplifier chips Q6；Capacitor C66, capacitor C65 and capacitor C55
Play the role of filtering.
It should also be noted that, the 1st foot of power amplifier chips Q6 is mute foot, when user wants to close sound prompt function
When, 210 outputs level signals of speech chip are controlled into the 1st foot, start silent mode.
Further, referring to Fig. 8, in one embodiment, antenna element 330 includes duplexer U1, capacitor C82, electricity
R5 and resistance R9 is hindered, the 1st foot, the 3rd foot and the 5th foot of duplexer U1 be grounded, the 2nd foot series capacitance C82 of duplexer U1, double
The 4th foot series resistance R9 of work device U1 is connect with WiFi chip, and the 6th foot series resistance R5 and WiFi chip of duplexer U1 connects
It connects.
It is thus desirable to which explanation, the model RFDIP160806BLM6T68 of duplexer U1, working principle are no longer detailed
It is thin to illustrate, it is well known to those skilled in the art；Capacitor C82 plays the role of filtering；The received wireless signal of duplexer U1 point
It is input in WiFi chip 310 at two frequency ranges, one is 2g frequency range, the other is 5g frequency range.
Further, referring to Fig. 9, in one embodiment, TTL converting unit 340 includes conversion chip Q1_0, resistance
R48, resistance R46 and resistance R12, the 1st foot of conversion chip Q1_0 and the 2nd foot are connect with WiFi chip 310, conversion chip
The 3rd foot series resistance R48 of Q1_0 is connect with the output end of main voltage cell 110, the 4th foot and interface of conversion chip Q1_0
Unit 350 connects, and the 5th foot series resistance R46 of conversion chip Q1_0 is connect with the output end of main voltage cell 110, converts
The 6th foot of chip Q1_0 is connect with one end of resistance R12 and interface unit 350 respectively, the other end and external power supply of resistance R12
Connection.
It is thus desirable to which explanation, the model LMBT3904D of conversion chip Q1_0, working principle are no longer explained in detail
It states, is well known to those skilled in the art；The setting of conversion chip Q1_0 can allow intelligent sound control system 10 and default to be joined
Number 5.0V are high level signal, the peripheral device communication that 0V is low level signal when, intelligent sound control system 10 can also be with
It is established connection and is communicated, and the ability to communicate of intelligent sound control system 10 is greatly improved, and allows intelligent sound control system
10 can communicate progress data interaction with multiple external equipments；Resistance R4, resistance R14 and resistance R46 are pull-up resistor, are guaranteed
Conversion chip Q1_0 can be worked normally.
Further, referring to Fig. 10, in one embodiment, interface unit 350 includes connection terminal CON1, resistance
The 1st foot series resistance R4 of R4, resistance R14 and resistance R15, connection terminal CON1 are connect with external power supply, connection terminal CON1
The 2nd foot ground connection, the 3rd foot series resistance R14 of connection terminal CON1 connect with the 6th foot of conversion chip Q1_0, connection terminal
The 4th foot series resistance R15 of CON1 is connect with the 4th foot of conversion chip Q1_0.
It is thus desirable to explanation, when intelligent sound control system 10 will be communicated with external equipment, external equipment
Data line and connection terminal CON1 link together communication can be realized, completion date interworkmg.
It should also be noted that, referring to Fig. 4, in this application, the model RTL8720DM of speech chip 210, work
It is well known to those skilled in the art as principle, no longer elaborates, wherein the 20th foot and the 21st foot are communication terminal, voice core
Piece 210 is communicated by the 20th foot and the 21st foot with WiFi chip 310.
It should also be noted that, referring to Fig. 7, in this application, the model RTL8720DM of WiFi chip 310, work
It is well known to those skilled in the art as principle, no longer elaborates, wherein the 45th foot and the 46th foot are communication terminal, WiFi core
Piece 310 is communicated by the 45th foot and the 46th foot with speech chip 210.
Only several embodiments of the present invention are expressed for embodiment described above, and the description thereof is more specific and detailed, but
It cannot be construed as a limitation to the scope of the present invention.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to of the invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of intelligent sound control system characterized by comprising
Power supply module, the power supply module include main voltage cell and secondary voltage unit, the main voltage cell it is defeated
The input terminal for entering end and the secondary voltage unit is used to connect with external power supply；
Voice module, the voice module include speech chip, voice memory unit, microphone unit and loudspeaker unit, described
First power end of speech chip is connect with the output end of the main voltage cell, the second source end of the speech chip with
The output end of the secondary voltage unit connects, and the voice memory unit is connect with the speech chip, the microphone list
The output end of member is connect with the voice input terminal of the speech chip, the input terminal of the loudspeaker unit and the speech chip
Speech output end connection；And
WiFi module, the WiFi module include WiFi chip, WiFi storage unit, antenna element, TTL converting unit and interface
Unit, the power end of the WiFi chip are connect with the output end of the main voltage cell, the communication terminal of the WiFi chip
Connect with the communication terminal of the speech chip, the WiFi storage unit is connect with the WiFi chip, the antenna element with
The WiFi chip connection, the TTL converting unit are connect with the WiFi chip, the TTL converting unit and the main
The output end of voltage cell connects, and the TTL converting unit also connect with external power supply, the power end of the interface unit with outside
The connection of portion's power supply, the interface unit are connect with the TTL converting unit, and the interface unit is also used to external equipment connection.
2. intelligent sound control system according to claim 1, which is characterized in that the main voltage cell includes decompression
Chip Q1, capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, capacitor C7, inductance L1, resistance R1 and resistance
R2, it is described decompression chip Q1 input terminal as the main voltage cell input terminal respectively with one end of the capacitor C5 and
One end of the capacitor C7 connects, the other end ground connection of the capacitor C5, the other end ground connection of the capacitor C7, the decompression core
The output end of piece Q1 is connected output end of the inductance L1 as the main voltage cell, the enable end of the decompression chip Q1
It is connect with one end of one end of the capacitor C5 and the capacitor C2, the other end ground connection of the capacitor C2, the decompression chip
The ground terminal of Q1 is grounded, and one end of the resistance R1 is connect with one end of the inductance L1, the other end of the resistance R1 and institute
State one end connection of resistance R2, the other end ground connection of the resistance R2, the feedback end and the resistance R2 of the decompression chip Q1
One end connection, the capacitor C3 is connected in parallel with the resistance R1, one end of one end of the capacitor C1 and the resistance R1
Connection, the other end ground connection of the capacitor C1, one end of the capacitor C4 are connect with one end of the resistance R1, the capacitor C4
Other end ground connection, one end of the capacitor C6 connect with one end of the resistance R1, and the other end of the capacitor C6 is grounded.
3. intelligent sound control system according to claim 1, which is characterized in that the secondary voltage unit includes decompression
Chip Q4, capacitor C39, capacitor C44, inductance L3, resistance R21, resistance R22, capacitor C42 and capacitor C50, the decompression chip Q4
Input terminal connect as the input terminal of the secondary voltage unit with one end of the capacitor C39, the capacitor C39's is another
The output end of end ground connection, the decompression chip Q4 is connected output end of the inductance L3 as the secondary voltage unit, described
The enable end of decompression chip Q4 is connect with one end of one end of the capacitor C39 and the capacitor C44 respectively, the capacitor C44
Other end ground connection, one end of the resistance R21 connect with one end of the inductance L3, the other end of the resistance R21 and institute
One end connection of resistance R22, the other end ground connection of the resistance R22 are stated, the capacitor C42 is connected in parallel with the resistance R21,
One end of the capacitor C50 is connect with one end of the inductance L3, the other end ground connection of the capacitor C50.
4. intelligent sound control system according to claim 1, which is characterized in that the microphone unit includes microphone
MIC1, capacitor C75, capacitor C77, resistance R43, microphone MIC2, capacitor C79, capacitor C81 and resistance R44, the microphone
The 1st foot series connection resistance R43 of MIC1 is connect with the speech chip, the 2nd foot, the 4th foot and the 5th of the microphone MIC1
Foot is grounded, and the 3rd foot of the microphone MIC1 is connect with the voice input terminal of the speech chip, and the one of the capacitor C77
End is connect with one end of the resistance R43, the other end ground connection of the capacitor C77, the 1st foot series connection institute of the microphone MIC2
It states resistance R44 to connect with the voice input terminal of the speech chip, the 2nd foot of the microphone MIC2, the 4th foot and the 5th foot are equal
Ground connection, the 3rd foot of the microphone MIC2 are connect as described with the speech chip, one end of the capacitor C81 with it is described
One end of resistance R44 connects, the other end ground connection of the capacitor C81.
5. intelligent sound control system according to claim 4, which is characterized in that the microphone unit further includes capacitor
C76 and resistance R58, one end of the capacitor C76 are connect with the speech chip, the other end and the electricity of the capacitor C76
Hinder one end connection of R58, the other end ground connection of the resistance R58.
6. intelligent sound control system according to claim 4, which is characterized in that the microphone unit further includes capacitor
C78 and resistance R59, one end of the capacitor C78 are connect with the speech chip, the other end and the electricity of the capacitor C78
Hinder one end connection of R59, the other end ground connection of the resistance R59.
7. intelligent sound control system according to claim 1, which is characterized in that the loudspeaker unit include capacitor C85,
Resistance R36, capacitor C56, capacitor C62, resistance R37, capacitor C57, resistance R33, power amplifier chips Q6, resistance R39, capacitor C38, electricity
Hold C67, capacitor C66, capacitor C55, capacitor C56, loudspeaker SPK, capacitor C34, capacitor C59, capacitor C35 and capacitor C60, the electricity
The one end for holding C85 is connect with the speech output end of the speech chip, and the other end of the capacitor C85 is with the resistance R36's
One end connection, the other end of the resistance R36 are connect with one end of the capacitor C56, one end of the capacitor C62 and institute's predicate
The speech output end of sound chip connects, and the other end of the capacitor C62 is connect with one end of the resistance R37, the resistance R37
The other end connect with one end of the capacitor C57, one end of the resistance R33 respectively with the other end of the capacitor C62 and
The other end of the resistance R37 connects, the 1st foot of the power amplifier chips Q6 respectively with one end of the capacitor C67 and the electricity
One end of resistance R38 is connected with one end of the resistance R39, and the other end ground connection of the capacitor C67, the resistance R38's is another
End ground connection, the other end of the resistance R39 are connect with the speech chip, the 2nd foot series connection electricity of the power amplifier chips Q6
Hold C66 ground connection, the 4th foot of the power amplifier chips Q6 is connect with one end of the resistance R33, the 5th foot of the power amplifier chips Q6
Connect with the 1st foot of the loudspeaker SPK, the 6th foot of the power amplifier chips Q6 respectively with one end of the capacitor C65 and the electricity
The one end for holding C55 connects, and the other end of the other end of the capacitor C65 and the capacitor C55 are grounded, the power amplifier chips Q6
The 7th foot ground connection, the 8th foot of the power amplifier chips Q6 connect with the 2nd foot of the loudspeaker SPK, the 3rd foot of the loudspeaker SPK
It is grounded with the 4th foot.
8. intelligent sound control system according to claim 1, which is characterized in that the antenna element includes duplexer
U1, capacitor C82, resistance R5 and resistance R9, the 1st foot, the 3rd foot and the 5th foot of the duplexer U1 are grounded, the duplexer U1
The 2nd foot connect the capacitor C82, the 4th foot of the duplexer U1 resistance R9 that connects is connect with the WiFi chip, institute
The 6th foot series connection resistance R5 for stating duplexer U1 is connect with the WiFi chip.
9. intelligent sound control system according to claim 1, which is characterized in that the TTL converting unit includes conversion
Chip Q1_0, resistance R48, resistance R46 and resistance R12, the conversion chip Q1_0 the 1st foot and the 2nd foot with the WiFi
Chip connection, the connect output end of the resistance R48 and the main voltage cell of the 3rd foot of the conversion chip Q1_0 connect
It connects, the 4th foot of the conversion chip Q1_0 is connect with the interface unit, described in the 5th foot series connection of the conversion chip Q1_0
Resistance R46 is connect with the output end of main voltage cell, and the 6th foot of the conversion chip Q1_0 is respectively with the resistance R12's
One end is connected with the interface unit, and the other end of the resistance R12 is connect with external power supply.
10. intelligent sound control system according to claim 9, which is characterized in that the interface unit includes connecting pin
The 1st foot series connection resistance R4 and external electrical of sub- CON1, resistance R4, resistance R14 and resistance R15, the connection terminal CON1
Source connection, the 2nd foot ground connection of the connection terminal CON1, the 3rd foot series connection resistance R14 of the connection terminal CON1 and institute
State the 6th foot connection of conversion chip Q1_0, the 4th foot series connection resistance R15 of the connection terminal CON1 and the conversion core
The 4th foot of piece Q1_0 connects.
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