CN101123035A - Remote control receiving device and method based on infrared - Google Patents
Remote control receiving device and method based on infrared Download PDFInfo
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- CN101123035A CN101123035A CNA2006100299875A CN200610029987A CN101123035A CN 101123035 A CN101123035 A CN 101123035A CN A2006100299875 A CNA2006100299875 A CN A2006100299875A CN 200610029987 A CN200610029987 A CN 200610029987A CN 101123035 A CN101123035 A CN 101123035A
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Abstract
The invention discloses an infrared remote receiving device and an infrared remote receiving method, and the device comprises a receiving module, a processing module and a storing module. The receiving module receives the infrared signal emitted by the infrared controller, and demodulates the infrared signal to form pulse signal; the processing module samples the pulse signal generated by the receiving module, calculates the pulse width, and forms pulse width signal; and the storing module is used for storing the pulse width signal. The infrared remote receiving device is arranged in electric appliance, and the control and storing elements of the electric appliance are directly used without leading to additional manufacturing cost. A user can use any type of remote controller to realize control to electric appliance at any time. The invention is convenient for use, and can be used at any time and any position, thus reducing the operation cost.
Description
Technical field
The present invention relates to remote-receiver and method, relate in particular to a kind of omnipotent infrared remote control receiving trap and method of reseptance.
Background technology
Current a lot of household appliances all have distant control function, and infrared remote control is its most frequently used a kind of simple, inexpensive remote control mode.But there is different coded systems in different manufacturers, causes the various telepilots can not be compatible, makes the telepilot that usually has a plurality of special uses in the family.In order to reduce the quantity of telepilot, everybody is using various ways to improve present telepilot.
Generally all realize now improving aspect the telepilot transmission, the telepilot of so-called universal remote control or self study is provided, it realizes that principle has dual mode.A kind of is to contrast by learning the Coded Analysis of other telepilots, retrieve then to be pre-stored in the interior known coded mode of controller, adopts similar coded system to send then.Another kind is the study by telepilot, stores various waveform codings, and wave recording is transmitted.But mainly there is following shortcoming in prior remote controller at present, causes and can't promote the use of on a large scale.
One. use inconvenient.Because the cost price of telepilot is all very low now, does not have powerful computing and processing and display unit, cause using quite inconvenient.
Two. expensive.If increase computing and processing power, increase display interface, will cause the rising significantly of cost.
Three. can't in case of emergency use.Generally, the study coding must have a telepilot that coding is correct.Dedicated remote control at certain household electrical appliance produces suddenly under the situation of fault, often can't be alternative with the telepilot of other electrical equipment temporarily.Just must earlier remove buy the dedicated remote control that can be learnt if want to use universal remote control this moment.Universal remote control could obtain the pairing correct coding of these household electrical appliance by the study to dedicated remote control.In this case, the user usually will directly use the dedicated remote control of correct coding, and can not remove to use universal remote control again.
Summary of the invention
For overcoming the defective that exists in the prior art, the present invention proposes a kind of infrared remote control receiving trap and method of reseptance that is arranged in the electric equipment products, it has learning functionality, can receive the remote control of any one telepilot, can reduce manufacturing cost for the electric equipment products producer, while also can be user-friendly, and reduce the use cost of electric equipment products for the user.According to an aspect of the present invention, provide a kind of infrared remote control receiving trap, comprising:
Receiver module receives the infrared signal of being sent by Infrared remote controller, and to forming pulse signal after this infrared signal demodulation;
Processing module is sampled to the pulse signal that receiver module forms, and calculates its pulse width, forms pulse width signal;
Memory module is in order to store described pulse width signal.
Described infrared remote control receiving trap comprises that also the pulse width signal that processing module is formed writes down, compresses the analysis module that the back forms packed data, and described packed data is delivered to memory module and stored.
The memory module of described infrared remote control receiving trap also comprises the pulse width signal of having stored Infrared remote controller commonly used and/or the infrared remote coding java standard library module commonly used of coding standard.
Described infrared remote control receiving trap also comprises uses the human-computer interface module of selecting to enter mode of learning or infrared remote coding java standard library pattern for the user.
The processing module of described infrared remote control receiving trap further comprises sampling clock, sample frequency register, control module and buffer, described sampling clock is under the control of control module, obtain the described pulse width signal that samples according to the sample frequency value that is provided with in the sample frequency register, and it is recorded in the buffer.
The processing module of described infrared remote control receiving trap further comprises control module, timer, external interrupt and buffer, described control module triggers an external interrupt during the rising edge/negative edge of described pulse signal, timer writes down the width of each high/low level respectively with the acquisition pulse width signal according to this external interrupt, and it is recorded in the buffer.
The receiver module of described infrared remote control receiving trap is made up of integrative infrared receiver.
According to a further aspect in the invention, provide a kind of infrared remote control method of reseptance, comprise the steps:
The infrared signal that reception is sent by Infrared remote controller, and to forming pulse signal after this infrared signal demodulation;
Formed pulse signal is sampled, calculate its pulse width, form pulse width signal;
Store described pulse width signal.
Described infrared remote control method of reseptance comprises that also formed pulse width signal is write down, compresses the back forms packed data, and the step that described packed data is stored.
The storing step of described infrared remote control method of reseptance comprises that also the pulse width signal of Infrared remote controller and/or the step of coding standard are used in storage always in advance.
The present invention is arranged on omnipotent remote-receiver in the electric equipment products, the control and the memory device that directly utilize electric equipment products itself to have, and do not need to increase other manufacturing cost.For the user, can adopt a kind of arbitrarily telepilot can realize at any time not only being easy to use control to electric equipment products, can use whenever and wherever possible, and also therefore reduce use cost.
Description of drawings
The following drawings is the aid illustration to exemplary embodiment of the present, to the elaboration of the embodiment of the invention, be to disclose feature of the present invention place, but do not limit the present invention in conjunction with the following drawings for further, same-sign is represented respective element or step among the embodiment among the figure, wherein:
Fig. 1 is the block scheme of infrared remote control receiving trap according to an embodiment of the invention.
Fig. 2 is the detailed circuit block diagram according to infrared remote control receiving trap embodiment illustrated in fig. 1.
(A) of Fig. 3 and (B) pulse signal and the pulse signal width of noting in exemplary table diagrammatic sketch 2 illustrated embodiments respectively.
Fig. 4 is the detailed circuit block diagram according to another infrared remote control receiving trap embodiment illustrated in fig. 1.
(A) of Fig. 5 and (B) pulse signal and the pulse signal width of noting in exemplary table diagrammatic sketch 4 illustrated embodiments respectively.
Fig. 6 is the block scheme of infrared remote control receiving trap in accordance with another embodiment of the present invention.
Fig. 7 is the detailed circuit block diagram according to infrared remote control receiving trap embodiment illustrated in fig. 6.
Fig. 8 is the detailed circuit block diagram according to another infrared remote control receiving trap embodiment illustrated in fig. 6.
Fig. 9 is the operational flowchart according to infrared remote control method of reseptance of the present invention and infrared remote control receiving trap.
Embodiment
Omnipotent infrared remote control receiving trap of the present invention can be arranged on the circuit inside of electric equipment products, for example, can be included on the chip of electric equipment products itself, also can adopt independent circuit board to realize.Described electric equipment products can be set-top box, televisor, computer etc.Referring to Fig. 1, Fig. 1 is the block scheme of infrared remote control receiving trap according to an embodiment of the invention.This infrared remote control receiving trap comprises receiver module 1, processing module 2 and memory module 3.Receiver module 1 receives the infrared signal of being sent by infrared remote-control emitter, and carries out demodulation, forms pulse signal, gives processing module 2.2 pairs of pulse signal samplings that receive of processing module calculate pulse width.The related data of memory module 3 pulse-width is stored preservation, the data of storage corresponding with each operating function of electric equipment products and in order to the retrieval.
Fig. 2 is the detailed circuit block diagram according to infrared remote control receiving trap embodiment illustrated in fig. 1.As shown in Figure 2, receiver module 1 mainly is made of integrative infrared receiver 11.Integrative infrared receiver receives the infrared carrier signal through modulating from the outside, carries out demodulation, and the output infrared pulse signal.In one embodiment of the invention, receiver module 1 also comprises amplifier 12, and the infrared pulse signal that integrative infrared receiver is exported carries out exporting after shaping is amplified.Amplifier for example can adopt reverser in one embodiment of the invention.
Among Fig. 2, processing module 2 comprises sampling clock 21, control module 22, sample frequency register 23 and buffer 24.Control module 22 can be that the CPU on control register or direct and the electric equipment products co-used chip finishes control function.The sample frequency of sampling clock can be revised by software.In the sample frequency register sample frequency value can be set, with the sample frequency that decides sampling clock.Sample frequency can be according to the minimum pulse width adjustment of external pulse signal, to guarantee to sample the signal of minimum pulse width.For example, the minimum pulse width of external infrared pulse signal is 1ms, and sample rate can be adjusted into 1ms or lower.Under the control of control module, the pulse width that sampling clock samples according to the sample frequency acquisition, and be recorded in the buffer.Buffer can be first in first out buffer (FIFO).Sampling clock whenever samples one time 1, exports 11 and gives FIFO; Whenever sample one time 0, export 10 and give FIFO, calculate the width of pulse like this.
According to embodiment shown in Figure 2, Fig. 3 exemplarily expresses the corresponding relation of a pulse signal and the pulse width noted.Suppose that the FIFO width is 8bit, sample frequency is 1ms, and during low level, the corresponding position of writing down among the FIFO is 0 among the figure, and during high level, FIFO is recorded as 1.Processing module 2 is delivered to memory module 3 to the pulse width that calculates.
Fig. 4 is the detailed circuit block diagram according to another infrared remote control receiving trap embodiment illustrated in fig. 1., processing module 2 can realize with processor, 8 single-chip microcomputer for example is as 89C51 series, PIC etc.In conjunction with Fig. 4, in the present embodiment, processing module for example comprises control module 26, timer (Timer) 27, external interrupt (INT) 28 and 29 4 parts of buffer.Buffer can be first in first out buffer (FIFO).According to embodiment illustrated in fig. 4, Fig. 5 exemplarily expresses the corresponding relation of a pulse signal and the pulse width noted.Arrow among Fig. 5 is represented the occurrence time of each external interrupt.Receive pulse signal from receiver module 1 when processing module 2, judgement is the rising edge/negative edge of a pulse, and control module 26 just triggers an external interrupt 28, represents that a level width finishes, and next level width begins.Timer 27 writes down the width of each high/low level respectively according to external interrupt 28, and a high/low level width data of noting is sent into buffer 29.During external interrupt of each generation, timer is sent into buffer to data, and restarts new clocking.Like this, the oscillogram of whole pulse signal can be learnt and be noted.
Fig. 6 is the block scheme of infrared remote control receiving trap in accordance with another embodiment of the present invention.Compare with infrared remote control receiving trap shown in Figure 1, it further comprises analysis module 5, human-computer interface module 6 and infrared remote coding java standard library module 7 commonly used.Wherein, the pulse width signal that 5 pairs of processing modules 2 of analysis module are sent carries out record, and compresses the formation packed data.For example, analysis module 5 can adopt coded systems such as Huffman (Haffman) coding or incremental encoding that the pulse width data of noting is compressed, and forms packed data.The packed data that memory module 3 is sent analysis module 5 is stored and is preserved and prepare against retrieval.
Human-computer interface module 6 mainly is arranged to menu-style.For example pull-down menu or flush system menu after the button of user's remote controller is selected menu, can be controlled the work of infrared remote control receiving trap.Human-computer interface module also comprises at least one mode key that is arranged on the electrical equipment, and the user can carry out the menu selection by the operator scheme button, thereby enters mode of learning or java standard library pattern.
In one embodiment of the invention, this infrared remote control receiving trap also comprises infrared remote coding java standard library module 7 commonly used, the information and/or the coding standard of the infrared pulse width of a large amount of manufacturers telepilot commonly used have wherein been stored in advance, before study and receiving new pulse width information, the user can preferentially retrieve, and obtains the respective coding mode and is used for control apparatus.Should infrared remote coding java standard library module 7 commonly used can be arranged in the memory module 3, and can expand according to demand.For example can adopt the mode of online upgrading to refresh the java standard library module, also the new coding standard that study can be obtained adds in the java standard library module.
The user can use any a telepilot to operate the electric equipment products that comprise infrared remote control receiving trap of the present invention.Fig. 9 is the operational flowchart according to infrared remote control method of reseptance of the present invention and infrared remote control receiving trap.
The user in use, at first the mode key of operation setting on electrical equipment enters the pattern menu.On the pattern menu of human-computer interface module 6, the user can select (step 90) by mode key in mode of learning or these two kinds of patterns of java standard library pattern.Generally speaking, can directly enter java standard library pattern (step 91) earlier, search the coding standard that for example whether comprises the current telepilot that is using of user in the java standard library module.If any, can directly choose this standard, and begin normal use by general telepilot.If do not have the coding standard of the telepilot that the user using in the java standard library module, then can reselect and enter mode of learning (step 92).
Under mode of learning, earlier telepilot is tested (step 93).Infrared port on the Infrared remote controller that will learn and the electrical equipment is aimed at, and the key button of pressing telepilot makes it send infrared signal.If electrical equipment has received signal, can send " ticking " sound expression test and pass through.Proper communication can be carried out if determine telepilot and infrared remote control receiving trap, just above-mentioned testing procedure can be skipped.The laggard study state (step 94) of going into is finished in test.The user presses the button (step 95) that the quilt on the telepilot is learnt according to the prompting of human-computer interface module 6, and for example " channel 1 ", telepilot can send infrared signal and give receiver module.The integrative infrared receiver demodulation of receiver module is also exported infrared pulse signal (step 96).The pulse signal sampling of processing module to receiving calculates pulse width (step 97).The related data of last memory module pulse-width is stored preservation (step 98).Like this, the pulse width signal of button " channel 1 " has just gone on record.This moment, the infrared remote control receiving trap came back to learning state (step 94), and the user can continue to finish the study of other button on the telepilot, and is noted the infrared signal of these buttons of being learnt by the infrared remote control receiving trap.
After finishing the study of all buttons that need on the telepilot, can the direct control mode key withdraw from mode of learning (step 99).At this moment, according to the situation of study, the button of the corresponding function that the electrical equipment that comprises this remote-receiver just can be directly learnt by quilt on the telepilot comes remote control.
According to another embodiment of the invention, in step 97, after processing module calculates pulse width to the pulse signal sampling that receives, can also carry out compressed encoding to this pulse width signal, be stored in the memory module behind the formation packed data by an analysis module.
Present embodiment is just in order further more clearly to describe the present invention, but not limitation of the present invention.Be to be understood that the present invention is not limited to the elaboration that embodiment does, anyly all should be encompassed within the spirit and scope of claim of the present invention based on modification of the present invention and equivalent of the present invention.
Claims (10)
1. infrared remote control receiving trap comprises:
Receiver module receives the infrared signal of being sent by Infrared remote controller, and to forming pulse signal after this infrared signal demodulation;
Processing module is sampled to the pulse signal that receiver module forms, and calculates its pulse width, forms pulse width signal;
Memory module is in order to store described pulse width signal.
2. infrared remote control receiving trap as claimed in claim 1 is characterized in that also comprising that the pulse width signal that processing module is formed writes down, compresses the analysis module that the back forms packed data, and described packed data is delivered to memory module and stored.
3. infrared remote control receiving trap as claimed in claim 1 or 2 is characterized in that described memory module also comprises the pulse width signal of having stored Infrared remote controller commonly used and/or the infrared remote coding java standard library module commonly used of coding standard.
4. infrared remote control receiving trap as claimed in claim 3 is characterized in that also comprising and uses the human-computer interface module of selecting to enter mode of learning or infrared remote coding java standard library pattern for the user.
5. infrared remote control receiving trap as claimed in claim 1 or 2, it is characterized in that, described processing module further comprises sampling clock, sample frequency register, control module and buffer, described sampling clock is under the control of control module, obtain the described pulse width signal that samples according to the sample frequency value that is provided with in the sample frequency register, and it is recorded in the buffer.
6. infrared remote control receiving trap as claimed in claim 1 or 2, it is characterized in that, described processing module further comprises control module, timer, external interrupt and buffer, described control module triggers an external interrupt during the rising edge/negative edge of described pulse signal, timer writes down the width of each high/low level respectively with the acquisition pulse width signal according to this external interrupt, and it is recorded in the buffer.
7. infrared remote control receiving trap as claimed in claim 1 or 2 is characterized in that described receiver module is made up of integrative infrared receiver.
8. an infrared remote control method of reseptance comprises the steps:
The infrared signal that reception is sent by Infrared remote controller, and to forming pulse signal after this infrared signal demodulation;
Formed pulse signal is sampled, calculate its pulse width, form pulse width signal;
Store described pulse width signal.
9. infrared remote control method of reseptance as claimed in claim 8 is characterized in that also comprising that formed pulse width signal is write down, compresses the back forms packed data, and the step that described packed data is stored.
10. infrared remote control method of reseptance as claimed in claim 8 or 9 is characterized in that described storing step also comprises in advance the pulse width signal of storage Infrared remote controller commonly used and/or the step of coding standard.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006100299875A CN101123035A (en) | 2006-08-11 | 2006-08-11 | Remote control receiving device and method based on infrared |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2006100299875A CN101123035A (en) | 2006-08-11 | 2006-08-11 | Remote control receiving device and method based on infrared |
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| CNA2006100299875A Pending CN101123035A (en) | 2006-08-11 | 2006-08-11 | Remote control receiving device and method based on infrared |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074106A (en) * | 2009-11-20 | 2011-05-25 | Tcl集团股份有限公司 | Learning method of learning type remote controller |
| CN102129769A (en) * | 2011-01-14 | 2011-07-20 | 利尔达科技有限公司 | Universal remote control method |
| CN102332208A (en) * | 2011-10-02 | 2012-01-25 | 杭州士兰光电技术有限公司 | Infrared remote control receiving circuit |
| CN102402272A (en) * | 2010-09-16 | 2012-04-04 | 瑞昱半导体股份有限公司 | Electronic device with network connecting function and method applied to same |
| CN102945596A (en) * | 2012-10-31 | 2013-02-27 | 四川长虹电器股份有限公司 | Signal reception method of remote controller |
| CN103473918A (en) * | 2013-09-23 | 2013-12-25 | 深圳市同洲电子股份有限公司 | Method and device for learning remote controller, and intelligent terminal |
| CN103680113A (en) * | 2012-09-11 | 2014-03-26 | 炬才微电子（深圳）有限公司 | Infrared signal decoding treatment method and infrared signal decoding treatment device |
| CN105679004A (en) * | 2016-01-06 | 2016-06-15 | 深圳市创维群欣安防科技有限公司 | Method and system for controlling multiple slave devices with main device |
| CN106971528A (en) * | 2017-03-31 | 2017-07-21 | 上海智觅智能科技有限公司 | A kind of algorithm for compressing infrared Air Conditioner Remote code storehouse |
| US9843317B2 (en) | 2014-09-15 | 2017-12-12 | Xiaomi Inc. | Method and device for processing PWM data |
| CN109003435A (en) * | 2018-10-25 | 2018-12-14 | 中环天仪股份有限公司 | A kind of decoding circuit and implementation method of infrared remote-controlled signal |
| CN110164117A (en) * | 2019-05-24 | 2019-08-23 | 珠海多士科技有限公司 | A kind of IR remote controller signal compression storage method |
| CN113112787A (en) * | 2021-04-21 | 2021-07-13 | 成都启英泰伦科技有限公司 | Infrared code compression learning method |
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| US5386251A (en) * | 1993-06-03 | 1995-01-31 | Zilog, Inc. | Television receiver with learning remote control system capable of being controlled by a remote control device manufactured by different companies |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074106A (en) * | 2009-11-20 | 2011-05-25 | Tcl集团股份有限公司 | Learning method of learning type remote controller |
| CN102074106B (en) * | 2009-11-20 | 2016-05-25 | Tcl集团股份有限公司 | A kind of learning method of study remote controller |
| CN102402272B (en) * | 2010-09-16 | 2015-08-19 | 瑞昱半导体股份有限公司 | There is the electronic installation of network connecting function and be applied to the method for this electronic installation |
| CN102402272A (en) * | 2010-09-16 | 2012-04-04 | 瑞昱半导体股份有限公司 | Electronic device with network connecting function and method applied to same |
| CN102129769A (en) * | 2011-01-14 | 2011-07-20 | 利尔达科技有限公司 | Universal remote control method |
| CN102129769B (en) * | 2011-01-14 | 2012-11-07 | 利尔达科技有限公司 | Universal remote control method |
| CN102332208A (en) * | 2011-10-02 | 2012-01-25 | 杭州士兰光电技术有限公司 | Infrared remote control receiving circuit |
| CN103680113B (en) * | 2012-09-11 | 2017-06-06 | 炬才微电子（深圳）有限公司 | The decoding processing method and device of infrared signal |
| CN103680113A (en) * | 2012-09-11 | 2014-03-26 | 炬才微电子（深圳）有限公司 | Infrared signal decoding treatment method and infrared signal decoding treatment device |
| CN102945596B (en) * | 2012-10-31 | 2014-12-24 | 四川长虹电器股份有限公司 | Signal reception method of remote controller |
| CN102945596A (en) * | 2012-10-31 | 2013-02-27 | 四川长虹电器股份有限公司 | Signal reception method of remote controller |
| CN103473918A (en) * | 2013-09-23 | 2013-12-25 | 深圳市同洲电子股份有限公司 | Method and device for learning remote controller, and intelligent terminal |
| US9843317B2 (en) | 2014-09-15 | 2017-12-12 | Xiaomi Inc. | Method and device for processing PWM data |
| CN105679004A (en) * | 2016-01-06 | 2016-06-15 | 深圳市创维群欣安防科技有限公司 | Method and system for controlling multiple slave devices with main device |
| CN106971528A (en) * | 2017-03-31 | 2017-07-21 | 上海智觅智能科技有限公司 | A kind of algorithm for compressing infrared Air Conditioner Remote code storehouse |
| CN109003435A (en) * | 2018-10-25 | 2018-12-14 | 中环天仪股份有限公司 | A kind of decoding circuit and implementation method of infrared remote-controlled signal |
| CN110164117A (en) * | 2019-05-24 | 2019-08-23 | 珠海多士科技有限公司 | A kind of IR remote controller signal compression storage method |
| CN113112787A (en) * | 2021-04-21 | 2021-07-13 | 成都启英泰伦科技有限公司 | Infrared code compression learning method |
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Application publication date: 20080213 |