CN102110360A - Infrared remote-control signal repeater and control method thereof - Google Patents
Infrared remote-control signal repeater and control method thereof Download PDFInfo
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- CN102110360A CN102110360A CN2009101893050A CN200910189305A CN102110360A CN 102110360 A CN102110360 A CN 102110360A CN 2009101893050 A CN2009101893050 A CN 2009101893050A CN 200910189305 A CN200910189305 A CN 200910189305A CN 102110360 A CN102110360 A CN 102110360A
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Abstract
The invention relates to an infrared remote-control signal repeater, which is disposed between an infrared remote-control emitter and an infrared remote-control receiver, and is connected to the infrared remote-control emitter and the infrared remote-control receiver. The infrared remote-control signal repeater comprises: an infrared receiving module which is used to receive a first infrared remote-control signal sent by the infrared remote-control emitter; an infrared processing module which is used to sample and judge the first infrared remote-control signal so as to generate a second infrared remote-control signal; an infrared emitting module which is used to emit the second infrared remote-control signal to the infrared remote-control receiver. The invention also relates to a control method of the infrared remote-control signal repeater. The infrared remote-control signal repeater of the invention is disposed between the infrared remote-control emitter and the infrared remote-control receiver, generates a new infrared remote-control signal by sampling and judging the infrared remote-control signal emitted by the infrared remote-control emitter, and plays a relaying role of enhancing the infrared remote-control signal emitted by the infrared remote-control emitter.
Description
Technical field
The present invention relates to the infrared remote control correlative technology field, more particularly, relate to a kind of infrared remote-controlled signal repeater and control method thereof.
Background technology
At present, Infrared Ray Remote Control Technology has been widely used in the various aspects of people's daily life.Infrared remote-control emitter mainly adopts infrared-emitting diode, and the internal material of infrared-emitting diode is different from common light emitting diode, makes it send infrared ray by applying certain voltage at the infrared-emitting diode two ends.Infrared remote-controlled signal is a series of binary pulse sign indicating number, in order to make its interference of avoiding other signal in the wireless transmission process, usually this binary pulse sign indicating number is launched through infrared-emitting diode after modulating on the particular carrier wave frequency again.Infrared remote control receiver is used for the receiving infrared-ray remote signal, and it is carried out filtering, demodulation, and it is reduced into the binary pulse sign indicating number.
But, Infrared Ray Remote Control Technology itself is adjusted the distance and the having relatively high expectations of orientation, and the receiving sensitivity of the emissive porwer of present infrared remote-control emitter and infrared remote control receiver is all fixed, if remote control distance is far away or the interference of utilization place is bigger, can't realize distant control function.
Summary of the invention
The technical problem to be solved in the present invention is, at the above-mentioned defective of prior art, provides a kind of infrared remote-controlled signal repeater and control method thereof.
One of the technical solution adopted for the present invention to solve the technical problems is: construct a kind of infrared remote-controlled signal repeater, it is arranged between infrared remote-control emitter and the infrared remote control receiver, and communicate to connect with described infrared remote-control emitter and infrared remote control receiver, it comprises:
Infrared receiving module: be used to receive first infrared remote-controlled signal that described infrared remote-control emitter sends;
Infrared processing module: be used for the judgement of sampling of first infrared remote-controlled signal, thereby produce second infrared remote-controlled signal;
Infrared transmission module: be used to launch second infrared remote-controlled signal to infrared remote control receiver.
The described infrared remote-controlled signal repeater of the invention described above, described infrared processing module adopts microprocessor to realize;
Described microprocessor comprises two groups of I/O mouths, first group of I/O mouth is the input port of first infrared remote-controlled signal, described microprocessor, and just is controlled at second group of I/O mouth according to the level of first infrared remote-controlled signal and produces described second infrared remote-controlled signal sampling through first infrared remote-controlled signal of first group of I/O mouth input and judge the level height of first infrared remote-controlled signal with certain frequency.
The described infrared remote-controlled signal repeater of the invention described above, described certain frequency be first infrared remote-controlled signal frequency integral multiple and be at least 2 times.
The described infrared remote-controlled signal repeater of the invention described above, described first infrared remote-controlled signal is identical with the frequency of second infrared remote-controlled signal.
The described infrared remote-controlled signal repeater of the invention described above, described infrared transmission module comprises infrared-emitting diode.
Two of the technical solution adopted for the present invention to solve the technical problems is: the control method of constructing a kind of infrared remote-controlled signal repeater, this infrared remote-controlled signal repeater is arranged between infrared remote-control emitter and the infrared remote control receiver, and communicate to connect with described infrared remote-control emitter and infrared remote control receiver, this control method comprises the following steps:
S1: receive first infrared remote-controlled signal that red described outer remote control transmitter sends;
S2:, thereby produce second infrared remote-controlled signal to the judgement of sampling of first infrared remote-controlled signal;
S3: launch second infrared remote-controlled signal to described infrared remote control receiver.
The control method of the described infrared remote-controlled signal repeater of the invention described above, described step S2 realizes by microprocessor;
Described microprocessor comprises and comprises two groups of I/O mouths, first group of I/O mouth is the input port of first infrared remote-controlled signal, described microprocessor, and just is controlled at second group of I/O mouth according to the level of first infrared remote-controlled signal and produces described second infrared remote-controlled signal sampling through first infrared remote-controlled signal of first group of I/O mouth input and judge the level height of first infrared remote-controlled signal with certain frequency.
The control method of the described infrared remote-controlled signal repeater of the invention described above, described certain frequency be first infrared remote-controlled signal frequency integral multiple and be at least 2 times.
The control method of the described infrared remote-controlled signal repeater of the invention described above, described first infrared remote-controlled signal is identical with the frequency of second infrared remote-controlled signal.
The control method of the described infrared remote-controlled signal repeater of the invention described above in described step S3, is launched described second infrared remote-controlled signal by infrared-emitting diode.
Implement infrared remote-controlled signal repeater of the present invention and control method thereof, have following beneficial effect: infrared remote-controlled signal repeater of the present invention is arranged between infrared remote-control emitter and the infrared remote control receiver, by the infrared remote-controlled signal that infrared remote-control emitter the is sent judgement of sampling, produce new infrared remote-controlled signal, played the relaying action of the infrared remote-controlled signal enhancing that infrared remote-control emitter is sent, and reduced the external interference that infrared remote-controlled signal is introduced in transmission course, the infrared remote-controlled signal that infrared remote control receiver is received is more accurate.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the block diagram of infrared remote-controlled signal repeater of the present invention;
Fig. 2 is the process flow diagram of the control method of infrared remote-controlled signal repeater of the present invention.
Embodiment
As shown in Figure 1, be the block diagram of infrared remote-controlled signal repeater of the present invention.Infrared remote-controlled signal repeater of the present invention is arranged between infrared remote-control emitter 100 and the infrared remote control receiver 200, and communicates to connect with infrared remote-control emitter 100 and infrared remote control receiver 200.This infrared remote-controlled signal repeater comprises infrared receiving module 1, infrared processing module 2 and infrared transmission module 3.Wherein, infrared receiving module 1 is used to receive first infrared remote-controlled signal that infrared remote-control emitter 100 sends.Infrared processing module 2 is used for the judgement of sampling of first infrared remote-controlled signal, thereby produces second infrared remote-controlled signal.Infrared transmission module 3 is used to launch second infrared remote-controlled signal to infrared remote control receiver 200.
Among the present invention, infrared receiving module 1 mainly is made of infrared receiving terminal, and infrared receiving terminal receives the first infrared remote control light signal that infrared remote-control emitter 100 sends.Certainly, infrared receiving module 1 also can be made of infrared receiving diode and amplifying circuit, and infrared receiving diode receives the first infrared remote control light signal that infrared remote-control emitter 100 sends, and amplifying circuit carries out processing and amplifying with this first infrared remote control light signal.
Infrared processing module 2 adopts microprocessor to realize, this microprocessor comprises two groups of I/O mouths, first group of I/O mouth is the input port of first infrared remote-controlled signal, microprocessor with certain frequency to sampling through first infrared remote-controlled signal of first group of I/O mouth input and judging the level height of first infrared remote-controlled signal, and the level of foundation first infrared remote-controlled signal just is controlled at second group of I/O mouth and produces second infrared remote-controlled signal.Wherein, above-mentioned " certain frequency " is the sample frequency of microprocessor, this sample frequency be first infrared remote-controlled signal frequency integral multiple and be at least 2 times.
Among the present invention, the sample frequency of microprocessor is that the concrete multiple of the frequency of first infrared remote-controlled signal can be provided with in software program according to actual needs.The frequency of first infrared remote-controlled signal is a fixed value, the frequency of supposing first infrared remote-controlled signal herein is 38KHz, and the sample frequency of microprocessor is at least 76KHz so, certainly, the sample frequency of microprocessor is high more, and is accurate more to the level judgement just of first infrared remote-controlled signal.Simultaneously, the selection of the sample frequency of microprocessor is also relevant with the processing speed of microprocessor.
Among the present invention, the level of microcontroller foundation first infrared remote-controlled signal just is controlled at second group of I/O mouth and produces second infrared remote-controlled signal, its implementation is as described below: after microcontroller is judged the level height of first infrared remote-controlled signal, be controlled at identical second infrared remote-controlled signal of level height that produces on its second group of I/O mouth with first infrared remote-controlled signal, promptly first infrared remote-controlled signal is identical with the frequency of second infrared remote-controlled signal.
Among the present invention, the frequency of first infrared remote-controlled signal can be 36kHz, 40kHz, 56kHz etc., and it is generally decided by the oscillation frequency of the crystal oscillator in the infrared transmission module 3.
As shown in Figure 2, be the process flow diagram of the control method of infrared remote-controlled signal repeater of the present invention.The control method of infrared remote-controlled signal repeater of the present invention comprises the following steps:
Step S0: beginning.
Step S1: receive first infrared remote-controlled signal that infrared remote-control emitter sends.
Step S2:, thereby produce second infrared remote-controlled signal to the judgement of sampling of first infrared remote-controlled signal.
This step S2 realizes by microprocessor; Described microprocessor comprises two groups of I/O mouths, first group of I/O mouth is the input port of first infrared remote-controlled signal, described microprocessor is sampled to first infrared remote-controlled signal of importing through first group of I/O mouth with certain frequency, and judge the level height of first infrared remote-controlled signal, and just be controlled at second group of I/O mouth according to the level of first infrared remote-controlled signal and produce described second infrared remote-controlled signal.
Step S3: launch second infrared remote-controlled signal to described infrared remote control receiver.
Step S4: finish.
Above-mentioned " certain frequency " is the sample frequency of microprocessor, this sample frequency be first infrared remote-controlled signal frequency integral multiple and be at least 2 times, and described first infrared remote-controlled signal is identical with the frequency of second infrared remote-controlled signal.
In described step S3, launch second infrared remote-controlled signal by infrared-emitting diode.
In sum, at the infrared remote-control emitter that the fixed transmission ability is arranged and fixedly under the situation of the infrared remote control receiver of receiving ability, the present invention can provide the infrared remote-controlled signal relay function, can play useful effect under situations such as the emissive ability receiving ability on the weak side or infrared remote control receiver far away, infrared remote-control emitter of distance between infrared remote-control emitter and the infrared remote control receiver is on the weak side.
The practical application of infra-red remote control repeater of the present invention can be very flexible, if the emissive ability of infrared remote-control emitter a little less than, so this infra-red remote control repeater is placed on from the nearer place of infrared remote-control emitter; If the receiving ability of infrared remote control receiver a little less than, then this infra-red remote control repeater is placed near the infrared remote control receiver.
The above only is embodiments of the invention, not in order to restriction the present invention, all any modifications of being done in the spirit and principles in the present invention, is equal to and replaces or improvement etc., all should be included in protection scope of the present invention.
Claims (10)
1. an infrared remote-controlled signal repeater is characterized in that, it is arranged between infrared remote-control emitter and the infrared remote control receiver, and communicates to connect with described infrared remote-control emitter and infrared remote control receiver, and it comprises:
Infrared receiving module: be used to receive first infrared remote-controlled signal that described infrared remote-control emitter sends;
Infrared processing module: be used for the judgement of sampling of first infrared remote-controlled signal, thereby produce second infrared remote-controlled signal;
Infrared transmission module: be used to launch second infrared remote-controlled signal to infrared remote control receiver.
2. infrared remote-controlled signal repeater according to claim 1 is characterized in that, described infrared processing module adopts microprocessor to realize;
Described microprocessor comprises two groups of I/O mouths, first group of I/O mouth is the input port of first infrared remote-controlled signal, described microprocessor, and just is controlled at second group of I/O mouth according to the level of first infrared remote-controlled signal and produces described second infrared remote-controlled signal sampling through first infrared remote-controlled signal of first group of I/O mouth input and judge the level height of first infrared remote-controlled signal with certain frequency.
3. infrared remote-controlled signal repeater according to claim 2 is characterized in that, described certain frequency be first infrared remote-controlled signal frequency integral multiple and be at least 2 times.
4. infrared remote-controlled signal repeater according to claim 1 is characterized in that, described first infrared remote-controlled signal is identical with the frequency of second infrared remote-controlled signal.
5. infrared remote-controlled signal repeater according to claim 1 is characterized in that described infrared transmission module comprises infrared-emitting diode.
6. the control method of an infrared remote-controlled signal repeater, this infrared remote-controlled signal repeater is arranged between infrared remote-control emitter and the infrared remote control receiver, and communicate to connect with described infrared remote-control emitter and infrared remote control receiver, it is characterized in that, this control method comprises the following steps:
S1: receive first infrared remote-controlled signal that red described outer remote control transmitter sends;
S2:, thereby produce second infrared remote-controlled signal to the judgement of sampling of first infrared remote-controlled signal;
S3: launch second infrared remote-controlled signal to described infrared remote control receiver.
7. the control method of infrared remote-controlled signal repeater according to claim 6 is characterized in that, described step S2 realizes by microprocessor;
Described microprocessor comprises two groups of I/O mouths, first group of I/O mouth is the input port of first infrared remote-controlled signal, described microprocessor, and just is controlled at second group of I/O mouth according to the level of first infrared remote-controlled signal and produces described second infrared remote-controlled signal sampling through first infrared remote-controlled signal of first group of I/O mouth input and judge the level height of first infrared remote-controlled signal with certain frequency.
8. the control method of infrared remote-controlled signal repeater according to claim 7 is characterized in that, described certain frequency be first infrared remote-controlled signal frequency integral multiple and be at least 2 times.
9. the control method of infrared remote-controlled signal repeater according to claim 6 is characterized in that, described first infrared remote-controlled signal is identical with the frequency of second infrared remote-controlled signal.
10. the control method of infrared remote-controlled signal repeater according to claim 6 is characterized in that, in described step S3, launches described second infrared remote-controlled signal by infrared-emitting diode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101893050A CN102110360A (en) | 2009-12-23 | 2009-12-23 | Infrared remote-control signal repeater and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101893050A CN102110360A (en) | 2009-12-23 | 2009-12-23 | Infrared remote-control signal repeater and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104584581A (en) * | 2012-06-19 | 2015-04-29 | 搜诺思公司 | Methods and apparatus to provide an infrared signal |
| CN110740368A (en) * | 2019-11-25 | 2020-01-31 | 上海邸客网络科技有限公司 | infrared enhanced digital television control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2323535Y (en) * | 1998-04-27 | 1999-06-09 | 董小武 | Remote-controlled relay arrangement matched with wireless paging communication network |
| CN201142126Y (en) * | 2007-11-27 | 2008-10-29 | 杭州鸿雁电器有限公司 | Infrared remote control signal wireless repeater system |
| CN201166975Y (en) * | 2008-03-25 | 2008-12-17 | 中国华录集团有限公司 | Hard disk CD-rewritable with infrared remote-control forwarding function |
| CN201203948Y (en) * | 2008-05-12 | 2009-03-04 | 连德伦 | Infrared remote-control signal translator |
-
2009
- 2009-12-23 CN CN2009101893050A patent/CN102110360A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2323535Y (en) * | 1998-04-27 | 1999-06-09 | 董小武 | Remote-controlled relay arrangement matched with wireless paging communication network |
| CN201142126Y (en) * | 2007-11-27 | 2008-10-29 | 杭州鸿雁电器有限公司 | Infrared remote control signal wireless repeater system |
| CN201166975Y (en) * | 2008-03-25 | 2008-12-17 | 中国华录集团有限公司 | Hard disk CD-rewritable with infrared remote-control forwarding function |
| CN201203948Y (en) * | 2008-05-12 | 2009-03-04 | 连德伦 | Infrared remote-control signal translator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104584581A (en) * | 2012-06-19 | 2015-04-29 | 搜诺思公司 | Methods and apparatus to provide an infrared signal |
| CN104584581B (en) * | 2012-06-19 | 2018-10-02 | 搜诺思公司 | The method and apparatus that infrared signal is provided |
| CN110740368A (en) * | 2019-11-25 | 2020-01-31 | 上海邸客网络科技有限公司 | infrared enhanced digital television control method |
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Application publication date: 20110629 |