CN108882113A - A kind of new control system based on electronic information technology - Google Patents
A kind of new control system based on electronic information technology Download PDFInfo
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- CN108882113A CN108882113A CN201810703754.1A CN201810703754A CN108882113A CN 108882113 A CN108882113 A CN 108882113A CN 201810703754 A CN201810703754 A CN 201810703754A CN 108882113 A CN108882113 A CN 108882113A
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- resistance
- triode
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- operational amplifier
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B15/00—Teaching music
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses a kind of new control systems based on electronic information technology, including microprocessor, I/O interface, power amplifier, audiogenic device, plug-in type effect device, transmission formula effect device, foldback monitoring device, sound console and controller, the microprocessor is separately connected power amplifier, audiogenic device, plug-in type effect device, transmission formula effect device, foldback monitoring device, I/O interface, work station, monitoring system, controller and monitoring system, power amplifier is also connected with microphone, the controller is also connected with sound console, sound console is also respectively connected with I/O interface and work station, work station is also respectively connected with connection network storage module and I/O interface；The power amplifier includes pre-amplification circuit and power amplification output circuit.
Description
Technical field
The present invention relates to a kind of control system, specifically a kind of new control system based on electronic information technology.
Background technique
With the development of science and technology, multimedia technology is rapidly growing, booming, application has spread national economy and society
Each corner of life, brings huge change to the production method of the mankind, working method or even life style, also deeply
Ground has influenced field of Education and teaching.Human-computer interaction, feedback is the distinguishing feature of multimedia technology immediately, is any other media
It is unexistent.Multimedia computer is further the unification function of audiovisual possessed by television set in conjunction with the interactive function of computer
Together, a kind of new man-machine interaction mode that both pictures and texts are excellent, colourful is produced, and can be fed back immediately.In this way
A kind of interactive mode is of great significance for teaching process, it can effectively motivate students' interest in learning, and produce student
Raw strong study desire, to form learning motivation.
Existing music teaching mode, student are to and guide oneself music by way of singing opera arias to allow teacher to understand
Level is sung however, singing opera arias with using microphone, and the effect of generation has very big inconsistency, and teacher holds when instructing
It is also easy to produce very large deviation.
Summary of the invention
The purpose of the present invention is to provide a kind of new control systems based on electronic information technology, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of Novel control based on electronic information technology
System, including microprocessor, I/O interface, power amplifier, audiogenic device, plug-in type effect device, transmission formula effect device, foldback monitor dress
It sets, sound console and controller, the microprocessor are separately connected power amplifier, audiogenic device, plug-in type effect device, send formula effect
Device, foldback monitoring device, I/O interface, work station, monitoring system, controller and monitoring system, power amplifier is also connected with microphone, described
Controller is also connected with sound console, and sound console is also respectively connected with I/O interface and work station, and work station is also respectively connected with connection network
Memory module and I/O interface；The power amplifier includes pre-amplification circuit and power amplification output circuit, the preposition amplification electricity
Road includes operational amplifier U4, resistance R16, resistance R17 and capacitor C3, the power amplification output circuit include triode Q1,
Triode Q2, triode Q3 and operational amplifier U3；The one end the capacitor C3 connects input signal, capacitor C3 other end difference
3 pins and ground resistance R16 of operational amplifier U4 are connected, 2 pins of operational amplifier U4 are separately connected ground resistance R17
With resistance R18,8 pins of operational amplifier U4 connect 9V positive pole, and the 4 pins connection 9V power supply of operational amplifier U4 is negative
Pole, 1 pin of operational amplifier U4 are separately connected the resistance R18 other end and capacitor C2, and the capacitor C2 other end is separately connected ground connection
3 pins of 2 pins of resistance R2 and operational amplifier U3, operational amplifier U3 are separately connected resistance R1 and potentiometer R3, resistance
The R1 other end connects ground capacity C1, and the potentiometer R3 other end is separately connected potentiometer R3 slide plate and ground resistance R15, operation
7 pins of amplifier U3 are separately connected potentiometer R5 slide plate, the one end potentiometer R5, resistance R8, triode Q3 collector and 9V electricity
Source anode, the potentiometer R5 other end connect resistance R6, and the resistance R6 other end is separately connected diode D1 anode and triode Q1 base
Pole, diode D1 cathode connect diode D2 anode, and diode D2 cathode is separately connected 8 pins and two of operational amplifier U3
Pole pipe D3 anode, 4 pins of operational amplifier U3 are separately connected resistance R7, resistance R12, resistance R14 and 9V power cathode, institute
It states diode D3 cathode and is separately connected the resistance R7 other end and triode Q2 base stage, triode Q2 emitter is separately connected resistance
The R12 other end and triode Q4 base stage, triode Q2 collector connect resistance R9, and the resistance R9 other end is separately connected resistance
R11, resistance R13, triode Q4 collector and output Uo, triode Q4 emitter connect the resistance R14 other end, and resistance R11 is another
One end is separately connected triode Q1 emitter and triode Q3 base stage, and triode Q3 emitter connects the resistance R13 other end, and three
Pole pipe Q1 collector connects the resistance R8 other end.
As a further solution of the present invention：The work station is PC machine.
As further scheme of the invention：The audiogenic device includes the source of sound and audio signal of midi signal input
The source of sound of input.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is based on the control systems of electronic information technology, adopt
It uses STM32 series monolithic as microprocessor, conduct monitoring at all levels is able to carry out for music learning, teaching teacher is located at teaching
Control room, energy careful inspection student facilitate guidance in the various situations of recording studio.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of new control system based on electronic information technology；
Fig. 2 is a kind of power amplifier figure of new control system based on electronic information technology.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1 ~ 2, in the embodiment of the present invention, a kind of new control system based on electronic information technology, including it is micro-
Processor, I/O interface, power amplifier, audiogenic device, plug-in type effect device, send formula effect device, foldback monitoring device, sound console and
Controller, the microprocessor are separately connected power amplifier, audiogenic device, plug-in type effect device, send formula effect device, foldback monitoring
Device, I/O interface, work station, monitoring system, controller and monitoring system, power amplifier are also connected with microphone, and the controller also connects
Connect sound console, sound console is also respectively connected with I/O interface and work station, work station be also respectively connected with connection network storage module and
I/O interface；The power amplifier includes pre-amplification circuit and power amplification output circuit, and the pre-amplification circuit includes operation
Amplifier U4, resistance R16, resistance R17 and capacitor C3, the power amplification output circuit include triode Q1, triode Q2,
Triode Q3 and operational amplifier U3；The one end the capacitor C3 connects input signal, and the capacitor C3 other end is separately connected operation and puts
3 pins and ground resistance R16 of big device U4,2 pins of operational amplifier U4 are separately connected ground resistance R17 and resistance R18,
8 pins of operational amplifier U4 connect 9V positive pole, and 4 pins of operational amplifier U4 connect 9V power cathode, operation amplifier
1 pin of device U4 is separately connected the resistance R18 other end and capacitor C2, and the capacitor C2 other end is separately connected ground resistance R2 and fortune
2 pins of amplifier U3 are calculated, 3 pins of operational amplifier U3 are separately connected resistance R1 and potentiometer R3, and the resistance R1 other end connects
Meeting ground capacity C1, the potentiometer R3 other end is separately connected potentiometer R3 slide plate and ground resistance R15, and the 7 of operational amplifier U3
Pin is separately connected potentiometer R5 slide plate, the one end potentiometer R5, resistance R8, triode Q3 collector and 9V positive pole, current potential
The device R5 other end connects resistance R6, and the resistance R6 other end is separately connected diode D1 anode and triode Q1 base stage, diode D1
Cathode connects diode D2 anode, and diode D2 cathode is separately connected 8 pins and diode D3 anode of operational amplifier U3,
4 pins of operational amplifier U3 are separately connected resistance R7, resistance R12, resistance R14 and 9V power cathode, and the diode D3 is negative
Pole is separately connected the resistance R7 other end and triode Q2 base stage, and triode Q2 emitter is separately connected the resistance R12 other end and three
Pole pipe Q4 base stage, triode Q2 collector connect resistance R9, and the resistance R9 other end is separately connected resistance R11, resistance R13, three poles
Pipe Q4 collector and output Uo, triode Q4 emitter connect the resistance R14 other end, and the resistance R11 other end is separately connected three poles
Pipe Q1 emitter and triode Q3 base stage, triode Q3 emitter connect the resistance R13 other end, the connection of triode Q1 collector
The resistance R8 other end；The work station is PC machine；The audiogenic device includes that the source of sound that midi signal inputs and audio signal are defeated
The source of sound entered.
The working principle of the invention is：Referring to Fig. 1, the present invention is used for music teaching, in system foldback monitoring device and
Microphone is located in recording studio, other hardware modules are all located at teaching controlling room in system, and work station is responsible for operational data and editor,
Sound console is responsible for controlling work station audio mixing recording control and parameter adjustment etc., and microphone is responsible for including collected sound signal, power amplifier
The voice signal for being responsible for including into microphone amplifies processing, and controller is responsible for transmission, wire jumper, the switching of monitoring signal,
Monitoring system is used for situation about watching in recording studio, and plug-in type effect device and transmission formula effect device are for carrying out at sound effect
Reason, for network storage module for preservation, upload and downloading to sound and system file, microprocessor is the hardware chaining of system
Control core can easily realize multiple hardwares link solution by ease of Use, and the acoustic processing for facilitating reply complicated and changeable needs
It asks.
Fig. 2 is power amplifier, including pre-amplification circuit and power amplification output circuit, and the pre-amplification circuit includes
Operational amplifier U4, resistance R16, resistance R17 and capacitor C3, the power amplification output circuit include triode Q1, triode
Q2, triode Q3 and operational amplifier U3；The one end the capacitor C3 connects input signal, and the capacitor C3 other end is separately connected operation
3 pins and ground resistance R16 of amplifier U4,2 pins of operational amplifier U4 are separately connected ground resistance R17 and resistance R18,
8 pins of operational amplifier U4 connect 9V positive pole, and 4 pins of operational amplifier U4 connect 9V power cathode, operation amplifier
1 pin of device U4 is separately connected the resistance R18 other end and capacitor C2, and the capacitor C2 other end is separately connected ground resistance R2 and operation
2 pins of amplifier U3,3 pins of operational amplifier U3 are separately connected resistance R1 and potentiometer R3, the connection of the resistance R1 other end
Ground capacity C1, the potentiometer R3 other end are separately connected potentiometer R3 slide plate and ground resistance R15, and the 7 of operational amplifier U3 are drawn
Foot is separately connected potentiometer R5 slide plate, the one end potentiometer R5, resistance R8, triode Q3 collector and 9V positive pole, potentiometer
The R5 other end connects resistance R6, and the resistance R6 other end is separately connected diode D1 anode and triode Q1 base stage, and diode D1 is negative
Pole connects diode D2 anode, and diode D2 cathode is separately connected 8 pins and diode D3 anode of operational amplifier U3, operation
4 pins of amplifier U3 are separately connected resistance R7, resistance R12, resistance R14 and 9V power cathode, the diode D3 cathode point
Not Lian Jie the resistance R7 other end and triode Q2 base stage, triode Q2 emitter is separately connected the resistance R12 other end and triode
Q4 base stage, triode Q2 collector connect resistance R9, and the resistance R9 other end is separately connected resistance R11, resistance R13, triode Q4
Collector and output Uo, triode Q4 emitter connect the resistance R14 other end, and the resistance R11 other end is separately connected triode Q1
Emitter and triode Q3 base stage, triode Q3 emitter connect the resistance R13 other end, and triode Q1 collector connects resistance R8
The other end, for pre-amplification circuit using bandwidth, the operational amplifier of low drift, there are many available integrated operational amplifier, are
Raising input impedance and inhibit common mode performance, reduces output noise, select TL082 here, amplify using integrated computation
When device constitutes pre-amplification circuit, using in-phase amplification circuit structure.
Power amplification circuit main function is to provide power to load, in order to keep output power as big as possible, converts power
As high as possible, non-linear distortion is as small as possible, uses the mutual symmetry power amplifier form of dual power supply here, uses
OPA2228 and large power triode Q1, large power triode Q2, large power triode Q3 and large power triode Q4, wherein
OPA2228 serves as voltage driving drive(r) stage, large power triode Q1, large power triode Q2, large power triode Q3 and big function
Rate triode Q4 serves as power amplification effect.
Microprocessor can use STM32 series monolithic.
By using present system, conduct monitoring at all levels is able to carry out for music learning, teaching teacher is located at teaching control
Room processed, energy careful inspection student facilitate guidance in the various situations of recording studio.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (1)
1. a kind of new control system based on electronic information technology, it is characterised in that：Including microprocessor, I/O interface, function
It puts, audiogenic device, plug-in type effect device, send formula effect device, foldback monitoring device, sound console and controller, feature exist
In, the microprocessor be separately connected power amplifier, audiogenic device, plug-in type effect device, send formula effect device, foldback monitoring device,
I/O interface, work station, monitoring system, controller and monitoring system, power amplifier are also connected with microphone, and the controller is also connected with tuning
Platform, sound console are also respectively connected with I/O interface and work station, and work station is also respectively connected with connection network storage module and I/O connects
Mouthful；The power amplifier includes pre-amplification circuit and power amplification output circuit, and the pre-amplification circuit includes operational amplifier
U4, resistance R16, resistance R17 and capacitor C3, the power amplification output circuit include triode Q1, triode Q2, triode
Q3 and operational amplifier U3；The one end the capacitor C3 connects input signal, and the capacitor C3 other end is separately connected operational amplifier U4
3 pins and ground resistance R16,2 pins of operational amplifier U4 are separately connected ground resistance R17 and resistance R18, and operation is put
8 pins of big device U4 connect 9V positive pole, and 4 pins of operational amplifier U4 connect 9V power cathode, operational amplifier U4's
1 pin is separately connected the resistance R18 other end and capacitor C2, and the capacitor C2 other end is separately connected ground resistance R2 and operation amplifier
2 pins of device U3,3 pins of operational amplifier U3 are separately connected resistance R1 and potentiometer R3, resistance R1 other end connection ground connection
Capacitor C1, the potentiometer R3 other end are separately connected potentiometer R3 slide plate and ground resistance R15,7 pins point of operational amplifier U3
Not Lian Jie potentiometer R5 slide plate, the one end potentiometer R5, resistance R8, triode Q3 collector and 9V positive pole, potentiometer R5 it is another
One end connects resistance R6, and the resistance R6 other end is separately connected diode D1 anode and triode Q1 base stage, and diode D1 cathode connects
Diode D2 anode is connect, diode D2 cathode is separately connected 8 pins of operational amplifier U3 and diode D3 anode, operation are put
4 pins of big device U3 are separately connected resistance R7, resistance R12, resistance R14 and 9V power cathode, the diode D3 cathode difference
The connection resistance R7 other end and triode Q2 base stage, triode Q2 emitter are separately connected the resistance R12 other end and triode Q4
Base stage, triode Q2 collector connect resistance R9, and the resistance R9 other end is separately connected resistance R11, resistance R13, triode Q4 collection
Electrode and output Uo, triode Q4 emitter connect the resistance R14 other end, and the resistance R11 other end is separately connected triode Q1 hair
Emitter-base bandgap grading and triode Q3 base stage, triode Q3 emitter connect the resistance R13 other end, and triode Q1 collector connects resistance R8
The other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703754.1A CN108882113A (en) | 2018-06-30 | 2018-06-30 | A kind of new control system based on electronic information technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703754.1A CN108882113A (en) | 2018-06-30 | 2018-06-30 | A kind of new control system based on electronic information technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108882113A true CN108882113A (en) | 2018-11-23 |
Family
ID=64297777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810703754.1A Withdrawn CN108882113A (en) | 2018-06-30 | 2018-06-30 | A kind of new control system based on electronic information technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN108882113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110533966A (en) * | 2019-10-14 | 2019-12-03 | 郑州铁路职业技术学院 | A kind of Foreigh-language oral-speech correction system |
-
2018
- 2018-06-30 CN CN201810703754.1A patent/CN108882113A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110533966A (en) * | 2019-10-14 | 2019-12-03 | 郑州铁路职业技术学院 | A kind of Foreigh-language oral-speech correction system |
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Application publication date: 20181123 |
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| WW01 | Invention patent application withdrawn after publication |