CN1822067A - Programmable infrared remote control method and its circuit - Google Patents
Programmable infrared remote control method and its circuit Download PDFInfo
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- CN1822067A CN1822067A CN 200610032820 CN200610032820A CN1822067A CN 1822067 A CN1822067 A CN 1822067A CN 200610032820 CN200610032820 CN 200610032820 CN 200610032820 A CN200610032820 A CN 200610032820A CN 1822067 A CN1822067 A CN 1822067A
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Abstract
This invention discloses a programmable infrared remote control method and its circuit, in which, a master electric appliance sends an infrared remote control signal received and processed to a MCU chip from an outer interrupt port of the MCU chip for decoding process to get the remote control codes and stores them into the EEPROM chip in terms of designed code number, when a user needs to remote control another appliance, it can read a related remote control code, an idle I/O port of the MUC chip simulates the level time sequence signals of the code and the other port generates infrared carrier signals cooperated by a timer then to send the modulated remote control signal to an infrared emission tube to be emitted, therefore, the master appliance can control other appliances accurately and reliably.
Description
Technical field
The present invention relates to the remote control thereof of electrical appliance, especially relate to a kind of programmable infrared remote control method and circuit thereof.
Background technology
Infra-red remote control is most popular a kind of communication at present and remote control means.Because infrared remote controller has characteristics such as volume is little, low in energy consumption, function is strong, cost is low, after colour television set, video recorder.Other electrical appliances such as sound-track engraving apparatus, stereo set, air conditioner and toy all extensively adopt infra-red remote control.Also adopt infra-red remote control as for the commercial unit that under environment such as high pressure, radiation, toxic gas, dust, moves, not only reliable fully, and can isolate electrical Interference effectively.Along with the increasing and concentrate to use of electrical appliance, their need of work is coordinated, and unified control, even control mutually require single electrical appliance to be not only the recipient of infrared remote control signal, the still sender of infrared remote control signal under certain occasion.Yet, so far not seeing as yet has a kind of programmable infrared remote control method, promptly being provided with a kind of electrical appliance can both decode to polytype remote control mode that the variety classes telepilot that is received sends, and preserve the remote control mode of these types according to user's request, comprise its preamble code, user identification code, numeric data code, can also the method that the remote control mode that send these types removes to control other electrical appliances be set according to user program.
Summary of the invention
A technical matters to be solved by this invention is the defective that overcomes prior art, proposes a kind of programmable infrared remote control method, and this is a kind of scheme that realizes the infra-red remote control information sharing in the system that is integrated with main electrical appliance and other electrical appliance.
Another technical matters to be solved by this invention is the defective that overcomes prior art, proposes a kind of programmable infrared remote control circuit of implementing above-mentioned remote control thereof.
For programmable infrared remote control method of the present invention, its technical matters is solved by the following technical programs.
This programmable infrared remote control method, the mainboard of main electrical appliance are provided with the microcontroller MCU chip of band external interrupt port.
The characteristics of this programmable infrared remote control method are that following steps are arranged successively:
Infrared remote-controlled signal after described main electrical appliance will be handled through the reception of infrared remote-controlled signal reception head is delivered in the MCU chip by the external interrupt port of MCU chip, starts decoding program;
The MCU chip is judged the remote control mode type with other a certain electrical appliance of remote control respectively according to the preamble code information of remote control mode, and calls corresponding decoding program the type remote control mode is carried out decoding processing, obtains the remote control mode after the decoding processing;
If the user need write down these remote control modes, just send control store instruction, respectively be stored in eeprom chip in according to the numbering of setting the different remote control modes of other all electrical appliances of remote control;
When the user needs other a certain electrical appliance of remote control, just in eeprom chip, select to read the remote control mode of corresponding this electrical appliance of remote control according to the numbering of setting, according to the remote control mode type, simulate the level clock signal of this remote control mode by an idle I/O port of MCU chip, and the while is by another I/O port generation infra-red carrier signal under timer cooperates of MCU chip, be connected respectively to two input ends of AND circuit, again from the output terminal of AND circuit remote signal with modulation, deliver to the electrical appliance that infrared transmitting tube is emitted to needs remote control, it is implemented remote control.
For programmable infrared remote control method of the present invention, its technical matters is solved by following further technical scheme.
Information after the described decoding processing comprises the type of remote control mode and wherein user identification code, numeric data code.
The type of described remote control mode comprises NEC sign indicating number, RC5 sign indicating number, Philips sign indicating number and Toshiba sign indicating number.
Described user needs recorded information to send control store instruction to be undertaken by changing key mode, when remote control mode is carried out decoding processing, continue the time of pushing button above setting value, the expression user need preserve the information after the decoding processing, and remote control mode type, user identification code, numeric data code all are stored in the eeprom chip by numbering.
Described being stored in respectively in the eeprom chip according to the numbering of setting also undertaken by changing key mode, repeat to continue the time of pushing button less than setting value, the type of the different remote control modes of other all electrical appliances of remote control and user identification code wherein, numeric data code just are stored in the eeprom chip respectively successively in the system.
For programmable infrared remote control circuit of the present invention, its technical matters is solved by the following technical programs.
This programmable infrared remote control circuit, comprise the infrared remote-controlled signal reception head that main electrical appliance mainboard is provided with the microcontroller MCU chip of band external interrupt port, is connected with the MCU chip, and infrared remote-controlled signal power valve, described MCU chip is arranged on the main electrical appliance mainboard, and the infrared remote-controlled signal power valve is arranged on the main electrical appliance.
The characteristics of this programmable infrared remote control circuit are:
Described MCU chip is the MCU chip that has following function at least:
(1) can judge remote control mode type respectively according to the preamble code information of remote control mode with a certain electrical appliance of remote control;
(2) can call corresponding decoding program the type remote control mode is carried out decoding processing, obtain the information after the decoding processing;
Be provided with and be connected the eeprom chip that is used to store information after the decoding processing that remote control mode is carried out with described MCU chip;
Be provided with AND circuit, two input port is connected to an idle I/O port of the level clock signal of described MCU chip simulation remote control mode respectively, and another I/O port that the infra-red carrier signal takes place under timer cooperates, an one output port is connected to described infrared remote-controlled signal power valve respectively.
Described MCU chip also has between an I/O port and the public ground cross-over connection to have can change its level height state and button of duration, to control after the described eeprom chip storage remote control mode decoding processing information and to change the information stores numbering.
For programmable infrared remote control circuit of the present invention, its technical matters is solved by following further technical scheme.
Described MCU chip is the MCU chip that is provided with at least one external interrupt port, at least five general purpose I/O ports and timer.
Described MCU comprises MCU, the MCU of PIC series of 8051 karyonides row and the MCU of part A RM series.
Described EEPROM is flash memory, ferroelectric storage, magnetoresistive memory and phase transition storage.
Described EEPROM is the serial erasable memory of the band SPI interface of general serial electricity erasable memorizer, the serial storage that comprises the band I2C interface of 24 series, 93 series.
The type of described remote control mode comprises NEC sign indicating number, RC sign indicating number, Philips sign indicating number and Toshiba sign indicating number.
Be compared with the prior art, outstanding advantage of the present invention and effect are to realize the mutual control of a plurality of electrical appliances in unmanned the participation.Adopt programmable infrared remote control method of the present invention and circuit, according to user's programmed settings in advance, main electrical appliance just can be controlled other electrical appliance automatic synchronization work accurately and reliably.The present invention can be widely used in not stopping a plurality of independent electrical appliance of object in short range, need realize the occasion of control mutually in unmanned the participation.
Description of drawings
Accompanying drawing is the circuit diagram of the embodiment of programmable infrared remote control circuit.
Embodiment
A kind of method and circuit thereof of two kinds of electrical appliances of colour television set, set-top box of band recording function being implemented programmable infrared remote control
Programmable infrared remote control circuit as shown in drawings, comprise that the electrical appliance mainboard of the microcontroller MCU chip U1 that is provided with band external interrupt port, the infrared remote-controlled signal that integrates infrared ray reception, amplification and shaping that is connected with MCU chip U1 receive a D2, and infrared remote-controlled signal power valve D1.
Described MCU chip U1 is the MCU chip of 8051 karyonides row, its function is can judge the remote control mode type with a certain electrical appliance of remote control respectively according to the preamble code information of remote control mode, and can call corresponding decoding program the type remote control mode is carried out decoding processing, obtain the information after the decoding processing.
Be provided with and be connected the eeprom chip U3 that is used to store information after the decoding processing that remote control mode is carried out with MCU chip U1;
Be provided with AND circuit U2A, two input port is connected to I/O port P1.1, the P1.2 of described MCU chip U1 respectively, and output port is connected to the preposition amplifying triode Q1 of described infrared remote-controlled signal power valve D1 respectively, I/O port P1.1 is the idle I/O port of the level clock signal of analog telecommand sign indicating number, and I/O port P1.2 is the I/O port that the infra-red carrier signal takes place under timer cooperates.
Described MCU chip U1 also has between an I/O port P1.6 and the public ground cross-over connection to have can change its level height state and button S1 of duration, to control after the described eeprom chip U3 storage remote control mode decoding processing information and to change the information stores numbering.
Push button time of S1 greater than 1Sec, and expression enters record remote control mode state; Push button time of S1 during less than 1Sec, and the circulation of expression numbering is progressively increased.When practical operation is used,, can set intuitively flexibly in conjunction with display menu.
Adopt the remote control circuit of this embodiment, can implement programmable infrared remote control to two kinds of electrical appliances of colour television set, set-top box of band recording function, the remote control mode type of the colour television set of band recording function is the NEC sign indicating number, and the remote control mode type of set-top box is the RC sign indicating number.
This programmable infrared remote control method has following steps successively:
The colour television set of band recording function will receive the remote information demodulation process that is modulated at 38KHZ that a D2 receives through integrated infrared remote-controlled signal, receive the interruptive port of the 2nd pin of a D2 from infrared remote-controlled signal through mainboard MCU chip U1, trigger and interrupt delivering among the MCU chip U1, start decoding program;
MCU chip U1 is according to the preamble code information of remote control mode, and the remote control mode type of judging the remote control set-top box is the RC sign indicating number, and calls corresponding decoding program the type remote control mode is carried out decoding processing, obtains the information after the decoding processing;
The user pushes button time of S1 greater than 1Sec, sends these information of control store instruction record, and the remote control mode after the decoding processing of remote control set-top box in the system is stored in the eeprom chip U3 according to the numbering of setting;
When the user needs the TV programme of remote control set-top box pre-recording ball match in the late into the night, just in eeprom chip U3, select to read the remote control mode of corresponding remote control set-top box according to the numbering of setting, simulate the level clock signal of the remote control mode that becomes the remote control set-top box with modulation treatment by MCU chip U1, deliver to the input port 2 of AND circuit U2A by I/O port P1.1, the infra-red carrier signal of 38KHZ takes place under the cooperation of timer by I/O port P1.2, deliver to the input port 1 of AND circuit U2A simultaneously, under AND circuit U2A control, the level clock signal of remote control mode is modulated at the remote-control transmitting signal of 38KHZ, after preposition amplifying triode Q1 amplification, drive infrared remote-controlled signal power valve D1 and be sent to the set-top box that needs remote control, it is implemented remote control.
The colour television set of this band recording function no longer just receives remote control mode, and can be to polytype remote control mode decoding, and as required these remote control modes are numbered storage, be sent to set-top box by the programmable infrared remote control circuit in the colour television set again at setting-up time, reach the purpose of set-top box being carried out programmable infrared remote control under no worker monitor.
The user only need be according to the menu prompt of main electrical appliance, in conjunction with button S1, remote information with controlled electrical appliance is stored in the eeprom chip U3 that is connected with mainboard MCU chip U1 in advance, user's menu by main electrical appliance again is chosen in setting-up time these information is sent to other electrical appliance, to reach the purpose of programmable infrared remote control.Under the programmed control of mainboard MCU chip U1, realize to the programmed control of self with to the control of other electrical appliances.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.
Claims (10)
1. programmable infrared remote control method, the mainboard of main electrical appliance are provided with the microcontroller MCU chip of band external interrupt port, it is characterized in that:
Following steps are arranged successively:
Infrared remote-controlled signal after described main electrical appliance will be handled through the reception of infrared remote-controlled signal reception head is delivered in the MCU chip by the external interrupt port of MCU chip, starts decoding program;
The MCU chip is judged the remote control mode type with other a certain electrical appliance of remote control respectively according to the preamble code information of remote control mode, and calls corresponding decoding program the type remote control mode is carried out decoding processing, obtains the remote control mode after the decoding processing;
If the user need write down these remote control modes, just send control store instruction, respectively be stored in eeprom chip in according to the numbering of setting the different remote control modes of other all electrical appliances of remote control;
When the user needs other a certain electrical appliance of remote control, just in eeprom chip, select to read the remote control mode of corresponding this electrical appliance of remote control according to the numbering of setting, according to the remote control mode type, simulate the level clock signal of this remote control mode by an idle I/O port of MCU chip, and the while is by another I/O port generation infra-red carrier signal under timer cooperates of MCU chip, be connected respectively to two input ends of AND circuit, again from the output terminal of AND circuit remote signal with modulation, deliver to the electrical appliance that infrared transmitting tube is emitted to needs remote control, it is implemented remote control.
2. programmable infrared remote control method as claimed in claim 1 is characterized in that:
Information after the described decoding processing comprises the type of remote control mode and wherein user identification code, numeric data code.
3. programmable infrared remote control method as claimed in claim 1 or 2 is characterized in that:
The type of described remote control mode comprises NEC sign indicating number, RC5 sign indicating number, Philips sign indicating number and Toshiba sign indicating number.
4. programmable infrared remote control method as claimed in claim 3 is characterized in that:
Described user needs recorded information to send control store instruction to be undertaken by changing key mode, when remote control mode is carried out decoding processing, continue the time of pushing button above setting value, the expression user need preserve the information after the decoding processing, and remote control mode type, user identification code, numeric data code all are stored in the eeprom chip by numbering.
5. programmable infrared remote control method as claimed in claim 4 is characterized in that:
Described being stored in respectively in the eeprom chip according to the numbering of setting also undertaken by changing key mode, repeat to continue the time of pushing button less than setting value, the type of the different remote control modes of other all electrical appliances of remote control and user identification code wherein, numeric data code just are stored in the eeprom chip respectively successively in the system.
6. programmable infrared remote control circuit, comprise the infrared remote-controlled signal reception head that main electrical appliance mainboard is provided with the microcontroller MCU chip of band external interrupt port, is connected with the MCU chip, and infrared remote-controlled signal power valve, described MCU chip is arranged on the main electrical appliance mainboard, the infrared remote-controlled signal power valve is arranged on the main electrical appliance, it is characterized in that:
Described MCU chip is the MCU chip that has following function at least:
(1) can judge remote control mode type respectively according to the preamble code information of remote control mode with a certain electrical appliance of remote control;
(2) can call corresponding decoding program the type remote control mode is carried out decoding processing, obtain the information after the decoding processing;
Be provided with and be connected the eeprom chip that is used to store information after the decoding processing that remote control mode is carried out with described MCU chip;
Be provided with AND circuit, two input port is connected to an idle I/O port of the level clock signal of described MCU chip simulation remote control mode respectively, and another I/O port that the infra-red carrier signal takes place under timer cooperates, an one output port is connected to described infrared remote-controlled signal power valve respectively.
Described MCU chip also has between an I/O port and the public ground cross-over connection to have can change its level height state and button of duration, to control after the described eeprom chip storage remote control mode decoding processing information and to change the information stores numbering.
7. programmable infrared remote control circuit as claimed in claim 6 is characterized in that:
Described MCU chip is the MCU chip that is provided with at least one external interrupt port, at least five general purpose I/O ports and timer.
8. as claim 6 or 7 described programmable infrared remote control circuit, it is characterized in that:
Described MCU comprises MCU, the MCU of PIC series of 8051 karyonides row and the MCU of part A RM series.
9. programmable infrared remote control circuit as claimed in claim 8 is characterized in that:
Described EEPROM is flash memory, ferroelectric storage, magnetoresistive memory and phase transition storage.
10. programmable infrared remote control circuit as claimed in claim 9 is characterized in that:
Described EEPROM is the serial erasable memory of the band SPI interface of general serial electricity erasable memorizer, the serial storage that comprises the band I2C interface of 24 series, 93 series.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610032820 CN1822067A (en) | 2006-01-13 | 2006-01-13 | Programmable infrared remote control method and its circuit |
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| CN 200610032820 CN1822067A (en) | 2006-01-13 | 2006-01-13 | Programmable infrared remote control method and its circuit |
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| CN1822067A true CN1822067A (en) | 2006-08-23 |
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| CN 200610032820 Pending CN1822067A (en) | 2006-01-13 | 2006-01-13 | Programmable infrared remote control method and its circuit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867843A (en) * | 2010-06-09 | 2010-10-20 | 福建捷联电子有限公司 | Method for shortening operation time of remote control of LCD TV production line |
| CN101751769B (en) * | 2008-12-03 | 2013-04-17 | 深圳Tcl新技术有限公司 | Remote control transmitting and decoding system and implementation method thereof |
| CN103186978A (en) * | 2011-12-30 | 2013-07-03 | 无锡华润矽科微电子有限公司 | Circuit structure for controlling infrared remote control emission |
| CN103699005A (en) * | 2013-12-26 | 2014-04-02 | 河南东骏智能科技有限公司 | Infrared gesture switch controller |
| CN104766463A (en) * | 2014-06-04 | 2015-07-08 | 潘辉 | Multifunctional remote control board and control method thereof |
| CN105825659A (en) * | 2015-01-04 | 2016-08-03 | 中兴通讯股份有限公司 | Terminal and infrared remote control method |
| CN111833579A (en) * | 2019-04-15 | 2020-10-27 | 俊华电子企业股份有限公司 | Programmable remote wireless signal remote control device |
| CN118011932A (en) * | 2024-02-26 | 2024-05-10 | 重庆宁来科贸有限公司 | Selection determination type control circuit |
-
2006
- 2006-01-13 CN CN 200610032820 patent/CN1822067A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751769B (en) * | 2008-12-03 | 2013-04-17 | 深圳Tcl新技术有限公司 | Remote control transmitting and decoding system and implementation method thereof |
| CN101867843A (en) * | 2010-06-09 | 2010-10-20 | 福建捷联电子有限公司 | Method for shortening operation time of remote control of LCD TV production line |
| CN103186978A (en) * | 2011-12-30 | 2013-07-03 | 无锡华润矽科微电子有限公司 | Circuit structure for controlling infrared remote control emission |
| CN103699005A (en) * | 2013-12-26 | 2014-04-02 | 河南东骏智能科技有限公司 | Infrared gesture switch controller |
| CN104766463A (en) * | 2014-06-04 | 2015-07-08 | 潘辉 | Multifunctional remote control board and control method thereof |
| CN105825659A (en) * | 2015-01-04 | 2016-08-03 | 中兴通讯股份有限公司 | Terminal and infrared remote control method |
| CN111833579A (en) * | 2019-04-15 | 2020-10-27 | 俊华电子企业股份有限公司 | Programmable remote wireless signal remote control device |
| CN111833579B (en) * | 2019-04-15 | 2022-05-27 | 俊华电子企业股份有限公司 | Programmable remote wireless signal remote control device |
| CN118011932A (en) * | 2024-02-26 | 2024-05-10 | 重庆宁来科贸有限公司 | Selection determination type control circuit |
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