CN102538140B - Multi-carrier air-conditioning infrared signal self-learning controller and method thereof - Google Patents
Multi-carrier air-conditioning infrared signal self-learning controller and method thereof Download PDFInfo
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- CN102538140B CN102538140B CN201210013348.5A CN201210013348A CN102538140B CN 102538140 B CN102538140 B CN 102538140B CN 201210013348 A CN201210013348 A CN 201210013348A CN 102538140 B CN102538140 B CN 102538140B
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Abstract
The invention relates to a multi-carrier air-conditioning infrared signal self-learning controller and a method of the controller. The multi-carrier air-conditioning infrared signal self-learning controller comprises an MCU (Microprogrammed Control Unit) module, a plurality of infrared integrated receiving tubes, four input and gates, an EEPROM (Electronically Erasable Programmable Read-Only Memory) storage unit, a serial port communication unit, a key unit and an infrared transmission unit, wherein the four input and gates, the EEPROM storage unit, the serial port communication unit, the key unit and the infrared transmission unit are all connected with the MCU module; and each infrared integrated receiving tube is respectively connected with the four input and gates and the MCU module. The controller has the beneficial effects that the controller is in a sleeping state at ordinary times and is less in power consumption; infrared remote control signals can cause the external interrupt of a main control microprocessor, so that the main control microprocessor is in a self-learning state; and the infrared integrated receiving tubes are integrated, the crosstalk demodulation of a plurality of carrier encoded signals is realized, and learned carrier frequency bands are accurately distinguished, memorized and duplicated to achieve the purpose of remotely learning the multi-carrier air-conditioning infrared remote control signals.
Description
Technical field
The present invention relates to a kind of carrier air-conditioning infrared signal Self-learning Controller and method thereof.
Background technology
IR remote controller is that a kind of user can even just can operate the device of controlling to various electrical equipment outside tens meters at several meters, and it sends different code signals and by the infrared signal after response carrier modulation.IR remote controller is widely used in air-conditioning products, but infrared control signal form the disunity of each air-conditioning products, remote controller can not be compatible, and remote controller number in life office place is also got more and more, and during use, usually obscures.
The intelligent remote controller nowadays with infrared signal study function continues to bring out, and it can replace the multiple electrical equipment of multiple remote controller controls.But the infrared signal carrier wave frequency range of most of study remote controller study is affected by hardware, to all the other frequency range learning disabilities.Some infrared learning type remote controllers by infrared photodiode as light-sensitive device, can realize the signal demodulation in certain frequency band range, but do not possess signal condition amplifying circuit, can only effect in 10 centimetres, to learning manipulation, require high, poor accuracy, the drawback that exists a kind of brand repeatedly to learn.
For above problem, a kind of infrared signal Self-learning Controller that can realize at a distance multiple carrier wave frequency range has been proposed, without presetting the frequency range of can automatic sensing being learnt infrared signal, the encoded radio of being learnt is stored into EEPROM, can be mutual with personal computer by serial ports, greatly improve the acquisition capacity of control coding, relaxed the infrared scope that cracks object.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, a kind of carrier air-conditioning infrared signal Self-learning Controller is provided.
Object of the present invention is achieved through the following technical solutions:
Carrier air-conditioning infrared signal Self-learning Controller, feature is: comprise MCU module, many infrared integrated receiving tubes, four inputs and door, EEPROM memory cell, serial communication unit, push-button unit and infrared emission units, four inputs are all connected with MCU module with door, EEPROM memory cell, serial communication unit, push-button unit, infrared emission unit, and many infrared integrated receiving tubes are connected with MCU module with door with four inputs respectively.
Further, above-mentioned carrier air-conditioning infrared signal Self-learning Controller, described infrared integrated receiving tube has four, four infrared integrated receiving tubes are connected with the input port of door with four inputs by wire respectively, and four infrared integrated receiving tubes are connected with the port of MCU module by wire respectively;
Described four inputs are connected with the external interrupt port of MCU module by wire with the output pin of door;
Described EEPROM memory cell is passed through I
2c bus is connected with MCU module, adopts single dual-mode to receive and sends;
Described serial communication unit is connected with Serial Peripheral Interface (SPI) in MCU module by three wires, adopts single dual-mode to receive and sends;
Described push-button unit is connected with MCU module by eight wires of four lines four row;
Described infrared emission unit is connected with MCU module by wire.
Further, above-mentioned carrier air-conditioning infrared signal Self-learning Controller, described MCU module adopts the chip that model is MSP430F1232, described EEPROM memory cell adopts the chip that model is AT24C16, described serial communication unit adopts the chip that model is MAX232, described push-button unit adopts the non-lock switch of 4*4 matrix form, and described infrared emission unit adopts the infrarede emitting diode that wave band is 940nm.It is the chip of HS0026, HS0038, Hs0040, HS0080 that described four infrared integrated receiving tubes adopt respectively model.
Utilize controller to realize carrier air-conditioning infrared signal self-learning method, the IR remote controller of being learnt is aimed within 10 meters of distances to the receive window of carrier air-conditioning infrared signal Self-learning Controller, press the button that need to be learnt, many infrared integrated receiving tubes that are distributed within carrier air-conditioning infrared signal Self-learning Controller optical window detect the infrared modulated signal of respective carrier frequency and export the Transistor-Transistor Logic level after demodulation, the infrared signal that learned remote control sends triggers one of them infrared integrated receiving tube, the signal that infrared integrated receiving tube demodulates is sent into the input of four inputs and door, the level that causes its output changes, and then the external interrupt of triggering MCU module, MCU module enters external interrupt service routine, the Transistor-Transistor Logic level state that record four inputs and gate output terminal change, until port is unchanged continue for some time after, change sequence is deposited in the blank address of EEPROM memory cell,
EEPROM memory cell is deposited decoded control command, EEPROM memory cell is divided into several spaces, the instruction of identical device is placed in a space, deposit the instruction of several equipment, the instruction of each equipment is distinguished by the address of EEPROM memory cell, and the space of each device directive is divided into several parts, and the data of an instruction are deposited in every part of space, detect device number and instruction number that user presses, can send command adapted thereto;
In study, MCU module reads the port being connected with infrared integrated receiving tube, getting level between the learning period has a port of step-down, its corresponding carrier frequency is by stores synchronized, push button and need in unit and the button of control signal binding, MCU module is when next actuation of keys occurs, produce corresponding carrier signal and modulation signal, after two signals are synthetic, drive infrared emission unit work, send required infrared remote-controlled signal; Carrier air-conditioning infrared signal Self-learning Controller is supported other main control systems, and personal computer is coupled by the mode of serial communication unit communication, reads sequential value and carrier value, or revises respective value, customization infrared remote-controlled signal.
Without by learning key, directly send by study infrared control signal and can allow controller enter learning state; By integrated multiple infrared integrated receiving tubes, can carry out at a distance the study of multiple carrier wave infrared signal; By four inputs and door, make any one work in multichannel infrared integrated receiving tube can trigger MCU interruption; Four road infrared integrated receiving tubes are connected with the port of MCU respectively, and the restituted signal of receiving tube output causes that MCU outside port level changes, the corresponding a kind of carrier band of each port.
Integrated many inconsistent infrared integrated receiving tubes of center wave band on controller circuitry mainboard, the output of receiving tube is inputted with the input of door and is connected with a slice four, four inputs are connected with main control MCU with the output of door, and the signal output part of integrated infrared receiving tube is connected with the input port of main control MCU respectively.
The embedded demodulation of infrared integrated receiving tube, amplification, shaping unit, can detect the infrared modulated signal of respective carrier frequency and export the Transistor-Transistor Logic level after demodulation, during without infrared signal, output is high level, signal after multi-channel demodulator by four input with behind the door, as long as You Yi road input signal changes, the level that can cause output changes, and the namely effect with door by four inputs, can input any demodulated signal in road by interference-free.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progressive being mainly reflected in:
1. realize demodulation to multiple carrier wave air-conditioning control infrared signal, store, copy forwarding, especially without button, only depend on by study infrared signal and trigger and can enter learning state, can respond to multiple carrier wave simultaneously and automatically select the infrared signal self study of carrier wave frequency range low-power consumption;
2. support the study of multiple carrier wave infrared signal simultaneously, without thinking, preset or hardware intervention; Can trigger by outside infrared signal, automatically enter infrared signal study state, without artificial interference, simple to operate;
3. enter after learning state tracer signal encoded content, judge without actuation of keys overtime, automatically terminate infrared learning state, without artificial interference, fault-tolerance is strong.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: the hardware block diagram of carrier air-conditioning infrared signal Self-learning Controller;
Fig. 2: the control flow schematic diagram of carrier air-conditioning infrared signal Self-learning Controller.
The specific embodiment
As shown in Figure 1, carrier air-conditioning infrared signal Self-learning Controller, comprise MCU module 1, many infrared integrated receiving tubes, four inputs and door 5, EEPROM memory cell 4, serial communication unit 3, push-button unit 2 and infrared emission units 10, four inputs are all connected with MCU module 1 with door 5, EEPROM memory cell 4, serial communication unit 3, push-button unit 2, infrared emission unit 10, and many infrared integrated receiving tubes are connected with MCU module 4 with door 5 with four inputs respectively.
Wherein, infrared integrated receiving tube has four, the first infrared integrated receiving tube 6, the second infrared integrated receiving tube 7, the 3rd infrared integrated receiving tube 8, the 4th infrared integrated receiving tube 9 are connected with the input port of door 5 with four inputs by wire respectively, the first infrared integrated receiving tube 6, the second infrared integrated receiving tubes 7, the 3rd infrared integrated receiving tube 8, the 4th infrared integrated receiving tube 9 are connected with the port of MCU module 1 by wire respectively; Four inputs are connected with the external interrupt port of MCU module 1 by wire with the output pin of door 5; EEPROM memory cell 4 is passed through I
2c bus is connected with MCU module, adopts single dual-mode to receive and sends; Serial communication unit 3 is connected with Serial Peripheral Interface (SPI) in MCU module by three wires, adopts single dual-mode to receive and sends; Push-button unit 2 is connected with MCU module by eight wires of four lines four row; Infrared emission unit 10 is connected with MCU module by wire.
It is the chip of MSP430F1232 that MCU module 1 adopts model, it is the chip of AT24C16 that EEPROM memory cell 4 adopts model, it is the chip of MAX232 that serial communication unit 3 adopts model, push-button unit 2 adopts the non-lock switch of 4*4 matrix form, and it is the infrarede emitting diode of 940nm that infrared emission unit 10 adopts wave band.It is the chip of HS0026 that the first infrared integrated receiving tube 6 adopts model, and it is that to adopt model be that to adopt model be the chip of HS0080 for chip, the 4th infrared integrated receiving tube 9 of Hs0040 for chip, the 3rd infrared integrated receiving tube 8 of HS0038 that the second infrared integrated receiving tube 7 adopts model.
The first infrared integrated receiving tube 6, the second infrared integrated receiving tube 7, the 3rd infrared integrated receiving tube 8, the 4th infrared integrated receiving tube 9 is all embedded with demodulation, amplify, shaping unit, can detect the infrared modulated signal of respective carrier frequency and export the Transistor-Transistor Logic level after demodulation, during without infrared signal, output is high level, signal after multi-channel demodulator passes through after four inputs and door 5, as long as You Yi road input signal changes, the level that causes output changes, the namely effect with door by four inputs, can input any demodulated signal in road by interference-free.
During study, only the IR remote controller of being learnt need be aimed within 10 meters of distances to the receive window of air-conditioner controller, press the button that need to be learnt, be distributed in multiple infrared integrated receiving tubes (the first infrared integrated receiving tube 6 within controller optical window, the second infrared integrated receiving tube 7, the 3rd infrared integrated receiving tube 8, the 4th infrared integrated receiving tube 9) detect the infrared modulated signal of respective carrier frequency and export the Transistor-Transistor Logic level after demodulation, the infrared signal that learned remote control sends only can trigger one of them infrared integrated receiving tube, the signal that receiving tube demodulates is sent into four inputs and door 5 inputs, the level that causes its output changes, and then the external interrupt of triggering MCU module 1, MCU module 1 enters external interrupt service routine, the Transistor-Transistor Logic level state that record four inputs and gate output terminal change, until this port is unchanged continue for some time after, and this change sequence is deposited in the blank address of EEPROM memory cell 4.
EEPROM memory cell 4 is for depositing decoded control command, EEPROM memory cell 4 is divided into N space simultaneously, the instruction of identical device is placed in a space, can deposit the instruction of N equipment, the instruction of each equipment is distinguished by the address of EEPROM memory cell 4, in like manner again the space of each device directive is divided into M part, and the data of an instruction are deposited in every part of space, as long as detect device number and the instruction number that user presses, can send command adapted thereto like this.
In study, MCU module 1 reads and four infrared integrated receiving tubes (the first infrared integrated receiving tube 6, the second infrared integrated receiving tube 7, the 3rd infrared integrated receiving tube 8, the 4th infrared integrated receiving tube 9) four connected ports, getting level between the learning period has a port of step-down, its corresponding carrier frequency is also by stores synchronized, at this moment press the button needing in push-button unit 2 on controller with this control signal binding, MCU module 1 will be when next actuation of keys occurs, produce corresponding carrier signal and modulation signal, after two signals are synthetic, drive infrared emission unit 10 to work, send required infrared remote-controlled signal.Controller is also supported other main control systems, as coupled in the mode that personal computer etc. is communicated by letter by serial communication unit 3, reads sequential value and carrier value, or revises respective value, thus customization infrared remote-controlled signal.
In the ultra-red order that different remote control equipments sends, initial code is different, and control instruction difference is below also very large, even the figure place of instruction code is not identical yet, but basic coding thinking identical be all to adopt different cycle, the pulse of different duty to represent respectively 0 and 1.Complete the study to remote controller signal, only need record the form of remote controller signal code, be the width of the pilot pulse height pulse of signal, then according to original pulse width, based on certain carrier wave, intactly again send the effect that can reach the former model air-conditioning infrared remote control command of study.
As shown in Figure 2, by the external interrupt service routine of MCU, software is realized the record wide to infrared signal code.
When any one infrared integrated infrared receiving tube has signal output, can cause MCU module 1 external interrupt, wake MCU module 1 up and enter external interrupt service routine, opening timing device also records current timer numerical value as overtime judgement initial value, then the level of this port of cycle criterion changes always, as changed, record current timer numerical value and upgrade overtime judgement initial value, the timer numeric offset of constantly updating is recorded in internal memory, form effective sequential value, the timer numerical value of inquiring about as unchanged in external interrupt port, when being greater than timeout threshold, the side-play amount of timer numerical value and overtime judgement initial value (can think setting, be generally tens to hundreds of millisecond) time, judge effective signal ended, end current interrupt service routine.
Because infrared integrated receiving tube output signal has been the content after carrier wave demodulation, thus pulsewidth generally at several milliseconds to a few tens of milliseconds.Selecting the external clock crystal oscillator of MCU is 4 megahertzes, and the instruction cycle of MCU is Microsecond grade, this pulse width variations signal of can sampling completely undistortedly.
The present invention realizes demodulation to multiple carrier wave air-conditioning control infrared signal, stores, copies forwarding, especially without button, only depends on by study infrared signal and triggers and can enter learning state, can respond to multiple carrier wave simultaneously and automatically select the infrared signal self study of carrier wave frequency range low-power consumption; Support the study of multiple carrier wave infrared signal simultaneously, without thinking, preset or hardware intervention; Can trigger by outside infrared signal, automatically enter infrared signal study state, without artificial interference, simple to operate; Enter after learning state tracer signal encoded content, judge without actuation of keys overtime, automatically terminate infrared learning state, without artificial interference, fault-tolerance is strong.
It is to be understood that: the above is only the preferred embodiment of the present invention; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. carrier air-conditioning infrared signal Self-learning Controller, it is characterized in that: comprise MCU module, many infrared integrated receiving tubes, four inputs and door, EEPROM memory cell, serial communication unit, push-button unit and infrared emission units, four inputs are all connected with MCU module with door, EEPROM memory cell, serial communication unit, push-button unit, infrared emission unit, and many infrared integrated receiving tubes are connected with MCU module with door with four inputs respectively;
Described infrared integrated receiving tube has four, and four infrared integrated receiving tubes are connected with the input port of door with four inputs by wire respectively, and four infrared integrated receiving tubes are connected with the port of MCU module by wire respectively;
Described four inputs are connected with the external interrupt port of MCU module by wire with the output pin of door;
Described EEPROM memory cell is passed through I
2c bus is connected with MCU module, adopts single dual-mode to receive and sends;
Described serial communication unit is connected with Serial Peripheral Interface (SPI) in MCU module by three wires, adopts single dual-mode to receive and sends;
Described push-button unit is connected with MCU module by eight wires of four lines four row;
Described infrared emission unit is connected with MCU module by wire.
2. carrier air-conditioning infrared signal Self-learning Controller according to claim 1, it is characterized in that: described MCU module adopts the chip that model is MSP430F1232, described EEPROM memory cell adopts the chip that model is AT24C16, described serial communication unit adopts the chip that model is MAX232, described push-button unit adopts the non-lock switch of 4*4 matrix form, and described infrared emission unit adopts the infrarede emitting diode that wave band is 940nm.
3. carrier air-conditioning infrared signal Self-learning Controller according to claim 1, is characterized in that: it is the chip of HS0026, HS0038, Hs0040, HS0080 that described four infrared integrated receiving tubes adopt respectively model.
4. utilize the controller described in claim 1 to realize carrier air-conditioning infrared signal self-learning method, it is characterized in that: the receive window of the IR remote controller of being learnt being aimed within 10 meters of distances to carrier air-conditioning infrared signal Self-learning Controller, press the button that need to be learnt, many infrared integrated receiving tubes that are distributed within carrier air-conditioning infrared signal Self-learning Controller optical window detect the infrared modulated signal of respective carrier frequency and export the Transistor-Transistor Logic level after demodulation, the infrared signal that learned remote control sends triggers one of them infrared integrated receiving tube, the signal that infrared integrated receiving tube demodulates is sent into the input of four inputs and door, the level that causes its output changes, and then the external interrupt of triggering MCU module, MCU module enters external interrupt service routine, the Transistor-Transistor Logic level state that record four inputs and gate output terminal change, until port is unchanged continue for some time after, change sequence is deposited in the blank address of EEPROM memory cell,
EEPROM memory cell is deposited decoded control command, EEPROM memory cell is divided into several spaces, the instruction of identical device is placed in a space, deposit the instruction of several equipment, the instruction of each equipment is distinguished by the address of EEPROM memory cell, the space of each device directive is divided into several parts, and the data of an instruction are deposited in every part of space, and device number and instruction number that detection user presses send command adapted thereto;
In study, MCU module reads the port being connected with infrared integrated receiving tube, getting level between the learning period has a port of step-down, its corresponding carrier frequency is by stores synchronized, push button and need in unit and the button of control signal binding, MCU module is when next actuation of keys occurs, produce corresponding carrier signal and modulation signal, after two signals are synthetic, drive infrared emission unit work, send required infrared remote-controlled signal; Carrier air-conditioning infrared signal Self-learning Controller is supported other main control systems, and personal computer is coupled by the mode of serial communication unit communication, reads sequential value and carrier value, or revises respective value, customization infrared remote-controlled signal.
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| CN114211928A (en) * | 2021-11-10 | 2022-03-22 | 深圳市易优电气有限公司 | Parking air conditioner self-adaptive remote controller method, controller, device and storage medium |
| CN114333283A (en) * | 2021-12-18 | 2022-04-12 | 珠海格力电器股份有限公司 | Household appliance and control method, circuit and storage medium thereof |
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