CN2442360Y - Programable automatic play device - Google Patents
Programable automatic play device Download PDFInfo
- Publication number
- CN2442360Y CN2442360Y CN 00225611 CN00225611U CN2442360Y CN 2442360 Y CN2442360 Y CN 2442360Y CN 00225611 CN00225611 CN 00225611 CN 00225611 U CN00225611 U CN 00225611U CN 2442360 Y CN2442360 Y CN 2442360Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- model
- utility
- keyboard
- sound amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electrophonic Musical Instruments (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
Abstract
The utility model relates to a programmable automatic play device which has the function of fully automatically playing music, composed of a micro-processing circuit, a music storage circuit, a power circuit, a keyboard, a display circuit and a loud-speaker. The utility model has the advantages of simple circuit and convenient operation and is convenient for schools and other units to realize the full automatic management of the work-rest.
Description
The utility model relates to a kind of playback set, more precisely is a kind of automatic playback set able to programme.
The arrangement of units such as present school work and rest realizes by dual mode: first kind is to arrange to work and rest with playing back music by manually ringing a bell fully; Another kind of mode is to adopt special automatic ringing device and artificial playing back music to arrange work and rest.This dual mode generally speaking takes off too busy to get away manually-operated, and often because human error brings deviation for the arrangement of work and rest, carries out thereby influence whole teaching.
The purpose of this utility model is to overcome the deficiency of technology, provides that a kind of circuit structure is simple, advanced technology, able to programme automatic playback set easy to use.
The utility model is to adopt following proposal to realize: it is made up of microcontroller circuit 2, music storage circuit 3, sound amplifier 4, power circuit 5.Described keyboard and display circuit 1, microcontroller circuit 2, music storage circuit 3, sound amplifier 4 are connected in series successively, the external 220V alternating current of the input end of power circuit 5, its output terminal provides the operating voltage of keyboard and display circuit 1, microcontroller circuit 2, music storage circuit 3, and power circuit 4 also contains the AC power input of relay with control sound amplifier 5 simultaneously.The utility model principle of work is as follows: store the program of finishing in advance in the microprocessor internal memory, microprocessor is by written program operation in advance, when preset time one arrives, microprocessor sends control signal and is sent to power circuit, the closed sound amplifier power supply of connecting of power circuit repeat circuit, microprocessor signals to music storage simultaneously, corresponding melody is sent into the sound amplifier input circuit, sound amplifier is play melody, play order if need to change, can key in instruction by keyboard and finish appointed task.
Concrete structure of the present utility model describes in detail below in conjunction with accompanying drawing.
Accompanying drawing 1 is the utility model theory diagram
Accompanying drawing 2 is the utility model microcontroller circuit schematic diagram
Accompanying drawing 3 is the utility model Display And Keyboard circuit theory diagrams
Accompanying drawing 4 is the utility model music storage circuit diagram
Accompanying drawing 5 is the utility model power circuit principle figure
Referring to accompanying drawing 1,2,3,4,5, the utility model is made up of keyboard and display circuit 1, microcontroller circuit 2, music storage circuit 3, sound amplifier 4, power circuit 5.Described keyboard and display circuit 1, microprocessor 2, music storage circuit 3, sound amplifier 4 are connected in series successively, the external 220V alternating current of the input end of power circuit 5, its output terminal provides the operating voltage of keyboard and display circuit 1, microprocessor 2, music storage circuit 3, and power circuit 5 also contains the relay of the AC power break-make of controlling sound amplifier simultaneously.And microcontroller circuit 2 is by integrated package N
101, N
102, N
103, resistance R
101-R
102, R
104-R
106, R
114, R
120, capacitor C
101-C
106, C
124, variable capacitance C
102, diode V
D110～V
D111, V
D113, triode V
101, battery B, crystal oscillator Z
101, pushbutton switch S
101Form.Demonstration and keyboard circuit 1 are by integrated package N
301～N
302, LED
1～LED
6, S
201～S
216, C
301～C
302, R
301, V
D301～V
D302, R
202, R
203 Form.Music storage 3 is by N
104～N
106, R
107～R
109, R
P101, C
107～C
109, C
111～C
118, C
124, jack XS
101Form.Power circuit is by plug, insurance F, input transformer T
1, diode V
D101～V
D108, triode V
102, three-terminal regulator block N
107, N
108, resistance R
110～R
113, R
116～R
117, R
P102, capacitor C
119～C
123, relay K
101, switch S
102 Form.Sound amplifier 5 is general sound amplifier.
The integrated package model is as follows:
N
101：AT89C51 N
102、N
103：AT24C02
N
301：74LS244 N
302：74LS07
N
203 74LS164 N
104、N
106：ISD004
N
105：LM386 N
107：MC78M05CT
N
108：LM317H
Principle of work of the present utility model and using method are as follows: according to the timetable of finishing in advance, arrive when the predetermined moment, microprocessor sends control signal to power circuit R
113End is through R
113, V
D103Be sent to V
102Base stage, triode V
102Conducting makes relay closes, connects the sound amplifier power supply, and microprocessor signals to music storage N simultaneously
104, N
106, will export from 13 pin by the melody that the address is chosen.Through capacitor C
124Or C
117Be coupled to sound high light nodal potential device R
P10, through R
P10Deliver to amplifier N
105Input end is after amplifier is amplified, again by C
112Be coupled to output plughole, deliver to sound amplifier by output plughole again, play, can realize playing melody automatically, in playing process,, can finish the task of appointment by the keyboard input of control commands if needing to change plays order by sound amplifier.CPU89C51 is similar to general Fundamentals of Mono-Chip Computers in the utility model, carries the 8K program storage, is used for storing the program of finishing.AT24C08 is the 8K serial FLASH memory, be used for storing user program, can rewrite at any time, be not afraid of power down, ISD4004 is a voice recording and playback ic, and music is stored in special use, can store for two and reach 16 minutes melodies, in case record, can preserve for a long time, and the music of storage also can be changed according to user's needs.Two ISD4004 deposit record in the utility model the tinkle of bells (10 seconds, 15 seconds), national anthem, the 3rd cover setting-up exercises to radio music, musical composition such as pupil's setting-up exercises to radio music, eye exercises, sportsman's march.
In sum, the utility model circuit is simple, powerful, can adopt the mode of programming to set the order of playing melody, realize the Automatic Control of work and rest, thereby the accuracy of daily schedule is improved, improved work efficiency, be suitable for enterprises and institutions such as school, office and use as the work and rest automaton.
Claims (1)
- A kind of automatic playback set able to programme, by keyboard and display circuit (1), microcontroller circuit (2), music storage circuit (3), sound amplifier (4), power circuit (5) is formed, it is characterized in that keyboard and display circuit (1), microcontroller circuit (2), music storage circuit (3), sound amplifier (4) is connected in series successively, the external 220V alternating current of power circuit (5) input end, its output terminal is keyboard and display circuit 1, microcontroller circuit (2), music storage circuit (3) provides direct-current working volts, and power circuit (5) also contains the relay of control sound amplifier (4) AC power break-make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00225611 CN2442360Y (en) | 2000-09-19 | 2000-09-19 | Programable automatic play device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00225611 CN2442360Y (en) | 2000-09-19 | 2000-09-19 | Programable automatic play device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2442360Y true CN2442360Y (en) | 2001-08-08 |
Family
ID=33589672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00225611 Expired - Fee Related CN2442360Y (en) | 2000-09-19 | 2000-09-19 | Programable automatic play device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2442360Y (en) |
-
2000
- 2000-09-19 CN CN 00225611 patent/CN2442360Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |