CN204215551U - A kind of Multi-channel infrared remote system - Google Patents
A kind of Multi-channel infrared remote system Download PDFInfo
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- CN204215551U CN204215551U CN201420778158.7U CN201420778158U CN204215551U CN 204215551 U CN204215551 U CN 204215551U CN 201420778158 U CN201420778158 U CN 201420778158U CN 204215551 U CN204215551 U CN 204215551U
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Abstract
The utility model discloses a kind of Multi-channel infrared remote system, comprise Keysheet module, microprocessor, infrared transmission module, infrared receiving module and output control module, microprocessor is distinguished connecting key disk module, output control module, coding and parallel/serial modular converter and is decoded and serial/parallel conversion module, coding is also connected infrared transmission module with parallel/serial modular converter, and decoding is also connected infrared receiving module with serial/parallel conversion module.The utility model adopts chip MC33993 and cheap singlechip chip AT89C51 to realize controlling, and utilize MC33993 can the function of driven MOS FET/LED at infrared receiving module, MC33993 and AT89C51 is again adopted to realize multi-channel control, meet with less I/O mouth resource and control compared with the output of multichannel, the I/O mouth resource that the system that greatly saves is limited, be conducive to the system that realizes other controlling functions more simultaneously, and make the circuit structure of system more succinct.
Description
Technical field
The utility model relates to a kind of infrared remote control system, specifically a kind of Multi-channel infrared remote system.
Background technology
Along with the develop rapidly of electronic technology, infrared technique obtains fast development.Infrared remote control has penetrated into all trades and professions of national economy and the every aspect of people's daily life, in industrial automation, production control process, information acquisition with process, communicate, infrared guidance, laser weapon, electronic countermeasure, environmental monitoring, infrared breeding safety precaution, household electrical appliance control and daily life various aspects are obtained for and apply widely.
Existing infrared control system many employings code divides Multi-Channel Infrared Remote Control System device processed, and code divides pulse command coding many employings separating component and the small-scale digital integrated circuit of system, and coding, decoding scheme make very complicated, and reliability is also poor.
Utility model content
The purpose of this utility model is to provide a kind of simple and reliable Multi-channel infrared remote system, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of Multi-channel infrared remote system, comprise Keysheet module, microprocessor, infrared transmission module, infrared receiving module and output control module, described microprocessor is distinguished connecting key disk module, output control module, coding and parallel/serial modular converter and is decoded and serial/parallel conversion module, coding is also connected infrared transmission module with parallel/serial modular converter, and described decoding is also connected infrared receiving module with serial/parallel conversion module.
Described infrared receiving module comprises infrared receiving tube G, chip U1, chip U2, chip U3, resistance R1 and electric capacity C1, infrared receiving tube G one end connects power supply VCC respectively, resistance R1 and resistance R2, infrared receiving tube G other end connecting triode Q1 base stage, triode Q1 grounded emitter, triode A1 collector is the contact resistance R1 other end and electric capacity C1 respectively, the electric capacity C1 other end connects chip U1 pin Din by resistance R3, chip U1 pin OSC1 connects chip U1 pin OSC2 by resistance R4, chip U1 pin VT connecting triode Q2 base stage, triode Q2 grounded emitter, the triode Q2 collector contact resistance R2 other end, described chip U1 pin D0 connects chip U2 pin INTO, chip U1 pin D1 ~ D5 is connected respectively chip U2 pin P1.0 ~ P1.4, chip U1 pin GND connects chip U2 pin GND and ground connection, chip U1 pin Vcc connects power supply VCC, described chip U2 pin Vcc connects power supply VCC, chip U2 pin RESET connects stake resistance R5 and electric capacity C2 respectively, the electric capacity C2 other end connects power supply VCC respectively, resistance R6 and chip U3 pin Vdd, the resistance R6 other end connects chip U2 pin P3.0 and chip U3 pin INT respectively, chip U2 pin P3.1 and chip U3 pin SI, chip U2 pin P3.2 and chip U3 pin SO, chip U2 pin P3.3 and chip U3 pin CS, chip U2 pin P3.4 and chip U3 pin SCLK, chip U2 pin XTAL1 connects crystal oscillator Y and electric capacity C3 respectively, the electric capacity C3 other end connects electric capacity C4 and chip U3 pin GND and ground connection respectively, the electric capacity C4 other end connects the crystal oscillator Y other end and chip U2 pin XTAL2 respectively, described chip U3 pin SP0 contact resistance R10, the resistance R10 other end connects direct earth capacitance C6 and chip U4 pin 4 respectively, chip U4 pin 3 ground connection, chip U4 pin 1 contact resistance R7, the resistance R8 other end is contact resistance R7 and electric capacity C5 respectively, the electric capacity C5 other end connects load and pole, bidirectional triode thyristor T1 pole respectively, bidirectional triode thyristor T2 pole is the contact resistance R7 other end and 220V alternating current one end respectively, the 220V alternating current other end connects the load other end, described bidirectional triode thyristor G pole contact resistance R9, the resistance R9 other end connects chip U4 pin 2.
As further program of the utility model: according to the load number of required control, chip U3 output terminal is provided with multiple connection of holding as chip U3 pin SP0.
As further program of the utility model: described chip U1 model is HX2272.
As further program of the utility model: described chip U2 model is AT89C51.
As further program of the utility model: described chip U3 model is MC33993.
As the utility model further scheme: described chip U4 model is MC3032.
Compared with prior art, the beneficial effects of the utility model are: the utility model changes conventional keyboard design on control circuit often with bus mode external 8155, 8255 or 8279 chips expand parallel port, and adopt chip MC33993 and cheap singlechip chip AT89C51 to realize controlling, and utilize MC33993 can the function of driven MOS FET/LED at infrared receiving module, MC33993 and AT89C51 is again adopted to realize multi-channel control, meet with less I/O mouth resource and control compared with the output of multichannel, the I/O mouth resource that the system that greatly saves is limited, be conducive to the system that realizes other controlling functions more simultaneously, and make the circuit structure of system more succinct.
Accompanying drawing explanation
Fig. 1 is a kind of structured flowchart of Multi-channel infrared remote system;
Fig. 2 is the circuit diagram of infrared receiving module in a kind of Multi-channel infrared remote system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of Multi-channel infrared remote system, comprise Keysheet module, microprocessor, infrared transmission module, infrared receiving module and output control module, microprocessor is distinguished connecting key disk module, output control module, coding and parallel/serial modular converter and is decoded and serial/parallel conversion module, coding is also connected infrared transmission module with parallel/serial modular converter, and decoding is also connected infrared receiving module with serial/parallel conversion module.
Infrared receiving module comprises infrared receiving tube G, chip U1, chip U2, chip U3, resistance R1 and electric capacity C1, infrared receiving tube G one end connects power supply VCC respectively, resistance R1 and resistance R2, infrared receiving tube G other end connecting triode Q1 base stage, triode Q1 grounded emitter, triode A1 collector is the contact resistance R1 other end and electric capacity C1 respectively, the electric capacity C1 other end connects chip U1 pin Din by resistance R3, chip U1 pin OSC1 connects chip U1 pin OSC2 by resistance R4, chip U1 pin VT connecting triode Q2 base stage, triode Q2 grounded emitter, the triode Q2 collector contact resistance R2 other end, chip U1 pin D0 connects chip U2 pin INTO, chip U1 pin D1 ~ D5 is connected respectively chip U2 pin P1.0 ~ P1.4, chip U1 pin GND connects chip U2 pin GND and ground connection, chip U1 pin Vcc connects power supply VCC, chip U2 pin Vcc connects power supply VCC, chip U2 pin RESET connects stake resistance R5 and electric capacity C2 respectively, the electric capacity C2 other end connects power supply VCC respectively, resistance R6 and chip U3 pin Vdd, the resistance R6 other end connects chip U2 pin P3.0 and chip U3 pin INT respectively, chip U2 pin P3.1 and chip U3 pin SI, chip U2 pin P3.2 and chip U3 pin SO, chip U2 pin P3.3 and chip U3 pin CS, chip U2 pin P3.4 and chip U3 pin SCLK, chip U2 pin XTAL1 connects crystal oscillator Y and electric capacity C3 respectively, the electric capacity C3 other end connects electric capacity C4 and chip U3 pin GND and ground connection respectively, the electric capacity C4 other end connects the crystal oscillator Y other end and chip U2 pin XTAL2 respectively, chip U3 pin SP0 contact resistance R10, the resistance R10 other end connects direct earth capacitance C6 and chip U4 pin 4 respectively, chip U4 pin 3 ground connection, chip U4 pin 1 contact resistance R7, the resistance R8 other end is contact resistance R7 and electric capacity C5 respectively, the electric capacity C5 other end connects load and pole, bidirectional triode thyristor T1 pole respectively, bidirectional triode thyristor T2 pole is the contact resistance R7 other end and 220V alternating current one end respectively, the 220V alternating current other end connects the load other end, bidirectional triode thyristor G pole contact resistance R9, the resistance R9 other end connects chip U4 pin 2.
According to the load number of required control, chip U3 output terminal is provided with multiple connection of holding as chip U3 pin SP0.
Chip U1 model is HX2272.
Chip U2 model is AT89C51.
Chip U3 model is MC33993.
Chip U4 model is MC3032.
Principle of work of the present utility model is: because this Multi-channel infrared remote system is mainly for the centralized management of the numerous home appliance of current family.First AT89C51 carries out initialization to MC33993, all switch detection port of MC33993 are all set to floating state, after remote-control receiving circuit unsuccessful demodulation goes out telecommand, corresponding control signal is exported to MC33993 by the serial communication of the SPI mouth with MC33993 by AT89C51, the corresponding port of MC33993 is made to provide drive current for the input light emitting diode of controllable silicon light insulation driver MC3021, then MC3021 drives triode ac switch D conducting, and AC load switches on power and starts working.When again pressing same remote keying, AT89C51 exports control signal negate, the corresponding port of MC33993 is disconnected, no longer for the input light emitting diode of controllable silicon light insulation driver MC3021 provides drive current, bidirectional triode thyristor D loses the driving of MC3021, and bidirectional triode thyristor D ends, and AC load power supply disconnects and makes it quit work, according to the load number of required control, chip U3 output terminal is provided with multiple connection of holding as chip U3 pin SP0.
When infrared receiving tube G receives the modulation of infrared rays signal that infrared transmitter sends, chip U1 decoding chip is exported to through internal circuit process, after chip U1 is to the data decode success received, the VT end of chip U1 becomes high level from low level, triode ON, to the low level of fracture in the INT0 of chip U2, chip U2 makes an immediate response interruption, the output data of chip U1 are read by P1 mouth, then chip U2 is according to the control command code from transmitting terminal read, corresponding control signal is exported to chip U3 to the serial communication of the SPI mouth of chip U3 by its P3 mouth, the function utilizing 22 of chip U3 programmable switches to detect mouth driven MOS FET/LED removes the light insulation driving chip U4 controlling triode ac switch.
The utility model changes conventional keyboard design on control circuit often with bus mode external 8155, 8255 or 8279 chips expand parallel port, and chip MC33993 and cheap singlechip chip AT89C51 realizes Keyboard Control, and export in control in remote control, utilize MC33993 can the function of driven MOS FET/LED, again adopt MC33993 and AT89C51 to realize multiple-channel output to control, thus meet with the I/O mouth resource that CPU is less and control compared with the output of multichannel, the I/O mouth resource that the system that greatly saves is limited, be conducive to the system that realizes other controlling functions more simultaneously, and make the circuit structure of system more succinct.
Claims (6)
1. a Multi-channel infrared remote system, comprise Keysheet module, microprocessor, infrared transmission module, infrared receiving module and output control module, it is characterized in that, described microprocessor is distinguished connecting key disk module, output control module, coding and parallel/serial modular converter and is decoded and serial/parallel conversion module, coding is also connected infrared transmission module with parallel/serial modular converter, and described decoding is also connected infrared receiving module with serial/parallel conversion module;
Described infrared receiving module comprises infrared receiving tube G, chip U1, chip U2, chip U3, resistance R1 and electric capacity C1, infrared receiving tube G one end connects power supply VCC respectively, resistance R1 and resistance R2, infrared receiving tube G other end connecting triode Q1 base stage, triode Q1 grounded emitter, triode A1 collector is the contact resistance R1 other end and electric capacity C1 respectively, the electric capacity C1 other end connects chip U1 pin Din by resistance R3, chip U1 pin OSC1 connects chip U1 pin OSC2 by resistance R4, chip U1 pin VT connecting triode Q2 base stage, triode Q2 grounded emitter, the triode Q2 collector contact resistance R2 other end, described chip U1 pin D0 connects chip U2 pin INTO, chip U1 pin D1 ~ D5 is connected respectively chip U2 pin P1.0 ~ P1.4, chip U1 pin GND connects chip U2 pin GND and ground connection, chip U1 pin Vcc connects power supply VCC, described chip U2 pin Vcc connects power supply VCC, chip U2 pin RESET connects stake resistance R5 and electric capacity C2 respectively, the electric capacity C2 other end connects power supply VCC respectively, resistance R6 and chip U3 pin Vdd, the resistance R6 other end connects chip U2 pin P3.0 and chip U3 pin INT respectively, chip U2 pin P3.1 and chip U3 pin SI, chip U2 pin P3.2 and chip U3 pin SO, chip U2 pin P3.3 and chip U3 pin CS, chip U2 pin P3.4 and chip U3 pin SCLK, chip U2 pin XTAL1 connects crystal oscillator Y and electric capacity C3 respectively, the electric capacity C3 other end connects electric capacity C4 and chip U3 pin GND and ground connection respectively, the electric capacity C4 other end connects the crystal oscillator Y other end and chip U2 pin XTAL2 respectively, described chip U3 pin SP0 contact resistance R10, the resistance R10 other end connects direct earth capacitance C6 and chip U4 pin 4 respectively, chip U4 pin 3 ground connection, chip U4 pin 1 contact resistance R7, the resistance R8 other end is contact resistance R7 and electric capacity C5 respectively, the electric capacity C5 other end connects load and pole, bidirectional triode thyristor T1 pole respectively, bidirectional triode thyristor T2 pole is the contact resistance R7 other end and 220V alternating current one end respectively, the 220V alternating current other end connects the load other end, described bidirectional triode thyristor G pole contact resistance R9, the resistance R9 other end connects chip U4 pin 2.
2. Multi-channel infrared remote system according to claim 1, is characterized in that, according to the load number of required control, chip U3 output terminal is provided with multiple connection of holding as chip U3 pin SP0.
3. Multi-channel infrared remote system according to claim 1, is characterized in that, described chip U1 model is HX2272.
4. Multi-channel infrared remote system according to claim 1, is characterized in that, described chip U2 model is AT89C51.
5. Multi-channel infrared remote system according to claim 1, is characterized in that, described chip U3 model is MC33993.
6. Multi-channel infrared remote system according to claim 1, is characterized in that, described chip U4 model is MC3032.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778158.7U CN204215551U (en) | 2014-12-10 | 2014-12-10 | A kind of Multi-channel infrared remote system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420778158.7U CN204215551U (en) | 2014-12-10 | 2014-12-10 | A kind of Multi-channel infrared remote system |
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| CN204215551U true CN204215551U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420778158.7U Expired - Fee Related CN204215551U (en) | 2014-12-10 | 2014-12-10 | A kind of Multi-channel infrared remote system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989706A (en) * | 2015-12-24 | 2016-10-05 | 魅族科技（中国）有限公司 | Infrared remote control method, infrared remote control circuit and infrared remote control |
| CN106384500A (en) * | 2016-09-30 | 2017-02-08 | 广西大学 | Infrared communication control system |
-
2014
- 2014-12-10 CN CN201420778158.7U patent/CN204215551U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989706A (en) * | 2015-12-24 | 2016-10-05 | 魅族科技（中国）有限公司 | Infrared remote control method, infrared remote control circuit and infrared remote control |
| CN105989706B (en) * | 2015-12-24 | 2019-11-01 | 珠海市魅族科技有限公司 | A kind of infrared remote control control method, infrared remote controller and IR remote controller |
| CN106384500A (en) * | 2016-09-30 | 2017-02-08 | 广西大学 | Infrared communication control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20151210 |
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| EXPY | Termination of patent right or utility model |