CN2857394Y - Domestic automatic music playing system - Google Patents
Domestic automatic music playing system Download PDFInfo
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- CN2857394Y CN2857394Y CN 200520064364 CN200520064364U CN2857394Y CN 2857394 Y CN2857394 Y CN 2857394Y CN 200520064364 CN200520064364 CN 200520064364 CN 200520064364 U CN200520064364 U CN 200520064364U CN 2857394 Y CN2857394 Y CN 2857394Y
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Abstract
A household automatic music play system comprises a power supply, an infrared receiver, a control section, a power amplifier section, a single chip and a loudspeaker. The system is characterized in that, the single chip IC5 is separately connected to voltage-regulated modules U4 and U5, inner memory chip IC6, switch chips IC7 and IC8, relays KK4 and KK1, audio frequency interface AV1, computer USB interface and LED interface via buses, wherein the switch chips IC7 and IC8 are separately connected to infrared remote control interface IR5 and human body infrared inductive interface AV4 through a infrared decoding chip IC9, triode Q7, resistances R57 and R49 and diode D12 and the voice interface AV1 is connected with the left and right track power amplifier circuits.
Description
Technical field
The utility model relates to home audio, mainly is meant a kind of family automatic music Play System.
Background technology
Known home audio is mostly based on play CD, and its playing process mainly is to be controlled by the people, can not realize automatic playing back music, and this is very inconvenient.Particularly work when entering house in one day as owner, one opens the door, and just can hear easily melodious music, and this can make, and the people feels to loosen, cordiality, thereby reaches keeping tensions down, eliminates tired purpose, helps physical and mental health.
Summary of the invention
The purpose of this utility model provides a kind of family automatic music Play System, except that having distant control function, also have human body infrared induction function, and can be connected with computer by USB interface, realize the automatic broadcast of sound equipment, thereby overcome the deficiency that existing home audio exists.
The realization the technical solution of the utility model is: this family automatic music Play System comprises power supply, infrared receiving unit, control section, and power amplifier part, single-chip microcomputer, loudspeaker are characterized in that single-chip microcomputer IC5 meets Voltage stabilizing module U4, U5 respectively by bus; Meet crystal oscillator Y1; Meet memory chip IC6; Meet switch chip IC7, IC8; Succeed electrical equipment KK4 through triode Q5, Q6, diode D16; Succeed electrical equipment KK1 through triode Q4, Q3, diode D11; Meet audio interface AV1; Connect computer USB interface; Connect the LED interface; Wherein switch chip IC7, IC8 meet infrared remote control interface IR5 and human body infrared induction interface AV4 respectively through infrared decoding chip IC9, triode Q7, resistance R 57, R49, diode D12, and audio interface AV1 connects the left and right acoustic channels power amplifier.
This technical scheme also comprises:
Described left and right acoustic channels power amplifier is identical, one of them is that audio interface AV1 pin 3 connects transport and placing device IC1A pin 3 through electric capacity EC1 one tunnel through wire jumper CB9, another road connects IC1A pin 2 through capacitor C 2, resistance R 2 one tunnel, and another road connects capacitor C 42, resistance R 4 in parallel through resistance R 3, IC1A pin 1; Transport and placing device IC2A pin 2 one tunnel is through resistance R 7, capacitor C 4, C5, adjustable resistance BK2, resistance R 8 connecting resistance R5, R4, another road meets R5 through capacitor C 3, adjustable resistance BK1, IC2A pin 1 meets BK2 through capacitor C 44 one tunnel through resistance R 9, capacitor C 4, C46, and another road meets BK1 through resistance R 6; IC2A pin 1 connects comparator IC3 pin 1 through resistance R 10, adjustable resistance BK5, resistance R 11, electric capacity EC6, resistance R 12, IC3 pin 2 one tunnel is through resistance R 16, electric capacity EC11 ground connection, two-way is divided on another road, wherein one the tunnel connect the IC3 supply pin through resistance R 15, diode D 3, IC3 pin 4, diode D4, another road connects IC3 pin 4 through resistance R 17, electric capacity EC12, and IC3 pin 4 meets audio output interface AV3 through resistance 101, electric capacity 13, relay K K2.
Form delay circuit by relay K K2, triode Q1, Q2, resistance R 40, R41, R103, R102, capacitor C 40, C41, diode D9, D10, wherein the Q1 emitter connects the Q2 base stage, power supply connects the Q2 emitter through D9, R102 one tunnel through C41, and another road connects KK2, D10, Q1 collector electrode respectively.
External power supply through interface AV2 after diode D5, D6, electric capacity EC27, EC28, C31 wire jumper CB3 connect regulator block U2 pin 1, U2 pin 2 is exported a voltage through electric capacity EC33, C35, connect regulator block U3 pin 1 through resistance R 100 again, U3 pin 3 meets infrared remote control interface IR5, human body infrared induction interface AV4 through electric capacity EC38, C39.
Infrared induction head PIR1 pin 1 connects A/D module pin 4 through capacitor C 2, PIR1 pin 2 is through parallel resistor R1, capacitor C 1 connects A/D pin 2, cross-over connection parallel resistor R6 between A/D pin 3 and the pin 1, capacitor C 6, A/D pin 1 is through capacitor C 7, resistance R 7 connects A/D pin 14, cross-over connection parallel resistor R8 between A/D pin 14 and the pin 16, capacitor C 11, A/D pin 15 is through capacitor C 8 ground connection, A/D pin 13 is through capacitor C 18 connection interface AA1 pin 1, A/D pin 12 connects AA1 pin 3 through resistance R 10, between A/D pin 6 and the pin 8 through cross-over connection resistance R 2, R3, R4 connects AA1 pin 1, and A/D pin 9 is through capacitor C 10, resistance R 11, R12 ground connection.
The beneficial effects of the utility model:
1. has the human body sensing automatic playing function.
2. has the USB function.
3. rational in infrastructure, cost is low.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Fig. 2 is the control circuit schematic diagram of Fig. 1.
Fig. 3 is power amplifier, power supply, the delay circuit schematic diagram of Fig. 1.
Fig. 4 is the human body infrared induction circuit theory diagrams of Fig. 1.
Fig. 5 is a remote control circuitry schematic diagram among Fig. 1.
Embodiment
Realize function:
1. owner one enters and promptly can play a piece of music automatically, plays promptly to stop.
2. can down play a first song by the single play button.
3. can realize that by the loop play key head connects down loop play of a head.
4. promptly stop by stop key.
Designing requirement:
5. use the MP3 storage format, the MP3 storage area can be dialled and broadcast (using USB interface), and the convenient computer that inserts is changed music.
6. trigger with infrared induction, a piece of music is once only play in every triggering.
7. built-in power, the 80W audio-frequency power amplifier, the each triggering has other 220V power supply output.
8. the audio stereo output interface is arranged.
9. there is audio frequency to assist the input and output interface.
10. clock LED Presentation Function is arranged, and integral point gives the correct time, and volume is adjustable.
The metal shell.
Operation principle
1:IR5 receiving infrared-ray code signal → Q7 amplification → IC9 decoding output high level → control IC 7IC8 electronic switch → control IC 5A-D conversion is right from the output of IC5 78 pin. left channel audio signal
1.: the road IC5. 7 pin R channel → AV1 interface 1 pin → preposition amplification of IC1A. IC2A. high, normal, basic sound control system → IC3 power amplification → KK2 loud speaker protection control → AA3 interface → loud speaker output audio
2.: the road IC5. 8 pin L channel → AV1 interface 2 pin → preposition amplification of IC1B. IC2B. middle bass control → IC4 power amplification → KK2 loud speaker protection control → AA3 interface → loud speaker output audio
The 2:PR1 infra-red heat is penetrated inductive head and is received the defeated high level → AA1 4 foot control system LED → AA1 4 foot control system IC7 electronic switch → IC5. 78 pin output audio signals of human body infrared IC7. 4 pin income → IC7 control → AA13.4 pin IC5. 45 pin output simultaneously high level → control KK4. KK1 → KK4 control IC 3 IC4 power supply → KK1 control 220V lamp
The 3:USB interface is connected with computer USB. and cut out data → IC5 A-D conversion down from computer and storE IC6
4:IC1. 7-14 pin coding → IC1. 17 output → Q1. Q2 amplification → D7 infrared emission tube transmit coded signals → IR5 receives
5:AV2 power interface input → rectification → confession IC3. IC4 power supply → U1.U2 voltage stabilizing → confession IC1.IC2 power supply → U3 voltage stabilizing → confession IC5.U4.IC7.IC8.LED.AV4.AV5.IR5 power supply
6:KK1 adhesive → VCC1 has power supply → D9 → Q1 → Q2 time-delay control → KK2 adhesive → control loudspeaker to connect
7:U4 voltage stabilizing → confession IC5 VCC power supply U5 voltage stabilizing → confession IC5 VREF1 power supply
Claims (5)
1. family's automatic music Play System comprises power supply, infrared receiving unit, control section, and power amplifier part, single-chip microcomputer, loudspeaker is characterized in that single-chip microcomputer IC5 meets Voltage stabilizing module U4, U5 respectively by bus; Meet crystal oscillator Y1; Meet memory chip IC6; Meet switch chip IC7, IC8; Succeed electrical equipment KK4 through triode Q5, Q6, diode D16; Succeed electrical equipment KK1 through triode Q4, Q3, diode D11; Meet audio interface AV1; Connect computer USB interface; Connect the LED interface; Wherein switch chip IC7, IC8 meet infrared remote control interface IR5 and human body infrared induction interface AV4 respectively through infrared decoding chip IC9, triode Q7, resistance R 57, R49, diode D12, and audio interface AV1 connects the left and right acoustic channels power amplifier.
2. family as claimed in claim 1 automatic music Play System, it is characterized in that described left and right acoustic channels power amplifier is identical, one of them is that audio interface AV1 pin 3 connects transport and placing device IC1A pin 3 through electric capacity EC1 one tunnel through wire jumper CB9, another road connects IC1A pin 2 through capacitor C 2, resistance R 2 one tunnel, and another road connects capacitor C 42, resistance R 4 in parallel through resistance R 3, IC1A pin 1; Transport and placing device IC2A pin 2 one tunnel is through resistance R 7, capacitor C 4, C5, adjustable resistance BK2, resistance R 8 connecting resistance R5, R4, another road meets R5 through capacitor C 3, adjustable resistance BK1, IC2A pin 1 meets BK2 through capacitor C 44 one tunnel through resistance R 9, capacitor C 4, C46, and another road meets BK1 through resistance R 6; IC2A pin 1 connects comparator IC3 pin 1 through resistance R 10, adjustable resistance BK5, resistance R 11, electric capacity EC6, resistance R 12, IC3 pin 2 one tunnel is through resistance R 16, electric capacity EC11 ground connection, two-way is divided on another road, wherein one the tunnel connect the IC3 supply pin through resistance R 15, diode D 3, IC3 pin 4, diode D4, another road connects IC3 pin 4 through resistance R 17, electric capacity EC12, and IC3 pin 4 meets audio output interface AV3 through resistance 101, electric capacity 13, relay K K2.
3. family as claimed in claim 1 or 2 automatic music Play System, it is characterized in that forming delay circuit by relay K K2, triode Q1, Q2, resistance R 40, R41, R103, R102, capacitor C 40, C41, diode D9, D10, wherein the Q1 emitter connects the Q2 base stage, power supply connects the Q2 emitter through D9, R102 one tunnel through C41, and another road connects KK2, D10, Q1 collector electrode respectively.
4. family as claimed in claim 1 automatic music Play System, it is characterized in that external power supply through interface AV2 after diode D5, D6, electric capacity EC27, EC28, C31 wire jumper CB3 connect regulator block U2 pin 1, U2 pin 2 is exported a voltage through electric capacity EC33, C35, connect regulator block U3 pin 1 through resistance R 100 again, U3 pin 3 meets infrared remote control interface IR5, human body infrared induction interface AV4 through electric capacity EC38, C39.
5. family as claimed in claim 1 automatic music Play System, it is characterized in that infrared induction head PIR1 pin 1 connects A/D module pin 4 through capacitor C 2, PIR1 pin 2 is through parallel resistor R1, capacitor C 1 connects A/D pin 2, cross-over connection parallel resistor R6 between A/D pin 3 and the pin 1, capacitor C 6, A/D pin 1 is through capacitor C 7, resistance R 7 connects A/D pin 14, cross-over connection parallel resistor R8 between A/D pin 14 and the pin 16, capacitor C 11, A/D pin 15 is through capacitor C 8 ground connection, A/D pin 13 is through capacitor C 18 connection interface AA1 pin 1, A/D pin 12 connects AA1 pin 3 through resistance R 10, between A/D pin 6 and the pin 8 through cross-over connection resistance R 2, R3, R4 connects AA1 pin 1, and A/D pin 9 is through capacitor C 10, resistance R 11, R12 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064364 CN2857394Y (en) | 2005-09-07 | 2005-09-07 | Domestic automatic music playing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064364 CN2857394Y (en) | 2005-09-07 | 2005-09-07 | Domestic automatic music playing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2857394Y true CN2857394Y (en) | 2007-01-10 |
Family
ID=37600699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520064364 Expired - Fee Related CN2857394Y (en) | 2005-09-07 | 2005-09-07 | Domestic automatic music playing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2857394Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063916B (en) * | 2009-11-17 | 2012-12-26 | 上海国宽信息科技有限公司 | Singlechip timing switch-on and switch-off and remote controller switch-on and switch-off control circuit |
-
2005
- 2005-09-07 CN CN 200520064364 patent/CN2857394Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063916B (en) * | 2009-11-17 | 2012-12-26 | 上海国宽信息科技有限公司 | Singlechip timing switch-on and switch-off and remote controller switch-on and switch-off control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070110 Termination date: 20110907 |