CN102081838A - Remote-control launcher, remote-control receiving device and remote-control method - Google Patents
Remote-control launcher, remote-control receiving device and remote-control method Download PDFInfo
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- CN102081838A CN102081838A CN2009101098896A CN200910109889A CN102081838A CN 102081838 A CN102081838 A CN 102081838A CN 2009101098896 A CN2009101098896 A CN 2009101098896A CN 200910109889 A CN200910109889 A CN 200910109889A CN 102081838 A CN102081838 A CN 102081838A
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Abstract
The invention discloses a remote-control launcher, a remote-control receiving device and a remote-control method. After a remote control receives a key signal, the key signal is converted into a radio-frequency signal by a radio-frequency modulation circuit, and the radio-frequency signal is sent out; the key signal is converted into an infrared signal by an infrared emission driving circuit, and the infrared signal is sent out; after receiving the radio-frequency signal and the infrared signal sent by the remote control, the remote-control receiving device judges which signal is effective; if both signals are effective, the signal with higher priority is processed; and if one signal is effective, the effective signal is processed. The remote control is convenient to use and can reduce interference by other equipment.
Description
Technical field
The present invention relates to electronic technology, relate in particular to a kind of telechiric device and method.
Background technology
At some electronic applications, TV for example, air-conditioning, DVD player, vehicle electronics locks etc. are generally understood the application remoting technology and are carried out work control, for example the telepilot of TV and air-conditioning all is to utilize to send the infrared pulse signal, receive the different pulse signal that sends on each key at receiving end, export various steering orders through telepilot inner control block encoding again, with the work of control TV or air-conditioning.
As shown in Figure 1, electrical block diagram for a kind of infra-red remote control transmitter of the prior art, mainly comprise the little process chip 11 that forms remote signal, infrarede emitting diode 12, keyboard matrix 13 and crystal oscillator 14, wherein, little process chip 11 respectively with infrarede emitting diode 12, keyboard matrix 13 is connected with crystal oscillator 14.
Described little process chip 11 mainly comprises command encoder 110, sweep generator 111, keying input coding device 112, timing generator 113, Data Control input circuit 114, modulator 115 and oscillator 116.
Its annexation is mainly, and keyboard matrix 13 links to each other with keying input coding device 112 with sweep generator 111 respectively, and sweep generator 111 links to each other by keying input coding device 112 and instruction scramblers 110.Oscillator 116 links to each other by timing generator 113 and instruction scramblers 110; Command encoder 110 links to each other with Data Control input circuit 114 by keying input coding device 112; Command encoder 110 also links to each other with modulator 115 by timing generator 113; Modulator 115 also links to each other with Data Control input circuit 114.Data Control input circuit 114 links to each other with infrarede emitting diode 12.
Its principle of work is as follows: the signal of sweep generator 111 keyboard scan matrixes 13, and produce electric signal and also be transferred to keying input coding device 112, the coding by keying input coding device 112 also is transferred to Data Control input circuit 114.
The oscillator 116 of little process chip 11 inside produces high-frequency oscillation signal (480kHz) by forming a high frequency oscillator with the crystal oscillator 14 of outside.This high-frequency oscillation signal is sent into sinusoidal signal and the timing pulse signal that timing generator 113 backs produce 40KHz.Sinusoidal signal is sent into coding demodulator 115 as carrier signal; Timing pulse signal send system sweep generator 111, keying input coding device 112 and the command encoder 110 time standard signal as these circuit.
The sweep generator 111 of little process chip 11 inside produces the scanning pulse signal of different time in five, delivers to keyboard matrix circuit 13 by the output of 5～9 pin.When pressing a certain key, be input to keying input coding device 112 by 10～14 pin respectively corresponding to the control signal of this function button, the digital signal of output corresponding function.Then by command encoder 110 output order coded signals, be modulated on the carrier signal through modulator 115, formation includes the high-frequency pulse string of function information, is amplified through transistor BG by the output of 17 pin, promotes infrared light-emitting diode 12 and launches pulse-modulated signal.
The effect of infrared remote control receiver is the infrared remote control signal that will receive, and is in harmonious proportion output function command signal after the shaping through amplifying, separating, and delivers to little process chip and discerns and handle.
As shown in Figure 2, be the electrical block diagram of a kind of infrared remote control receiver of the prior art, this circuit comprises the photosensitive diode 21 of infrared ray, prime amplifier 22, peak detector 23, automatic electric-level restricting circuits 24 and microprocessor 25.
When infrared ray photodiode 21 received the infrared ray irradiation, the electric current that is produced formed signal voltage through prime amplifier 22.Automatic electric-level restricting circuits 24 is used for limiting the level amplitude that is input to prime amplifier 22 signals, prevents overload; LC resonant tank frequency is 40KHz, can be the undesired signal filtering that 30KHz～50KHz scope is thought with frequency, improves the gain of high-frequency signal.High-frequency signal after the amplification enters peak detector 23 behind amplitude limit, peak detector 23 is reduced to command signal again to the high-frequency signal of having modulated, and sends into microprocessor 25 after amplifying through shaping again and handles.
Along with the development of technology, the transmission interface of the signal of telepilot just changes to 2.4GHz band electric waves (RF, radio frequency) from infrared ray.
Present domestic electrical equipment remote controller generally uses two kinds of Infrared remote controller or RF Digiplexs, but there is following deficiency in these two kinds of telepilots at present.
There is directional problems in Infrared remote controller, uses inconvenience.
The RF Digiplex uses the equipment of these frequency ranges extremely many owing to be wireless open circuit transmission at present, and the ubiquity serious disturbance causes the RF remote control to be disturbed by other equipment extremely easily, thereby causes the RF telepilot can't use fully in certain period.
Therefore, how to make and the both convenient use of telepilot can reduce by other equipment and disturb again, make product have more the market competitiveness, become problem anxious to be solved.
Summary of the invention
The object of the invention is to provide a kind of remote-controlled launcher, and receiving trap and remote control thereof make and the both convenient use of telepilot can reduce by other equipment and disturb again.
For solving technical matters of the present invention, the present invention discloses a kind of remote-controlled launcher, comprising: microprocessor, rf modulation circuit and infrared emission drive circuit, wherein, described microprocessor connects described rf modulation circuit and described infrared emission drive circuit respectively;
Described microprocessor is used to receive push button signalling and handles, and after finishing dealing with, is transferred to described rf modulation circuit and infrared emission drive circuit simultaneously;
Described rf modulation circuit is used for the coded pulse of described microprocessor output is modulated to radio frequency, launches by antenna;
Described infrared emission drive circuit is used for the coded pulse of described microprocessor output is gone out by infrared emission.
More preferably, also comprise the infrarede emitting diode that is connected with described infrared emission drive circuit, be used to receive the signal of described infrared emission drive circuit and launch.
More preferably, also comprise the remote controller key that is connected with described microprocessor, be used to receive the client by key input signal, and pass to described microprocessor.
For solving technical matters of the present invention, the present invention also discloses a kind of remote-receiver, comprises microprocessor, radio frequency receiving demodulation circuit and infrared receiving circuit, and wherein, described microprocessor connects described radio frequency receiving demodulation circuit and infrared receiving circuit respectively;
Described radio frequency receiving demodulation circuit is used to receive the radiofrequency signal that telepilot is launched, and described microprocessor is given in the output encoder pulse;
Described infrared receiving circuit is used to receive the infrared light pulse that telepilot sends, and described microprocessor is given in the output encoder pulse;
Described microprocessor is used to receive the described coded pulse of described radio frequency receiving demodulation circuit and infrared receiving circuit input, judges whether these two described coded pulses are effective, if all effective, select the higher coded pulse of priority and handles; If one of them is effective, select this efficient coding pulse to handle.
More preferably, described radio frequency receiving demodulation circuit also connects radio-frequency antenna, is used to receive the radiofrequency signal of telepilot emission.
More preferably, described microprocessor also is used for when described RF receiving demodulation circuit and infrared receiving circuit all do not have the output of effective impulse signal, then judges and does not receive remote signal this moment.
For solving technical matters of the present invention, the present invention also discloses a kind of remote control thereof, it is characterized in that, comprises
After telepilot receives push button signalling, transfer this push button signalling to radiofrequency signal by rf modulation circuit simultaneously and send and transfer this push button signalling to infrared signal and send by infrared emission drive circuit;
Remote-receiver judges that signal is effective after receiving the radiofrequency signal and infrared signal of telepilot transmission, if all effective, select the priority higher signal and handles; If one of them is effective, select this effective signal to handle.
More preferably, also comprise: when not having useful signal, then remote signal is not received in the remote-receiver judgement at this moment.
Compared with prior art, the present invention has following beneficial effect:
By the present invention, send infrared remote-controlled signal and RF remote signal simultaneously at the telepilot end, receive this two kinds of signals simultaneously at receiving end, priority by receiving end is judged, the compatible reception of two kinds of signals, IR (infrared) or RF (radio frequency) if in have one the road normal just can normal remote control, the anti-interference strong advantage of existing IR, also benefits such as RF is easy-to-use are arranged.
Description of drawings
Fig. 1 is the electrical block diagram of a kind of infra-red remote control transmitter in the prior art;
Fig. 2 is the electrical block diagram of a kind of infrared remote control receiver in the prior art;
Fig. 3 is the radiating circuit structural representation of a kind of remote-controlled launcher of the embodiment of the invention;
Fig. 4 is the receiving circuit structural representation of a kind of remote-receiver of another embodiment of the present invention.
Embodiment
The present invention discloses a kind of remote-controlled launcher, receiving trap and remote control thereof, in telepilot, be provided with infrared simultaneously and the RF telechiric device, send infrared remote-controlled signal and RF remote signal simultaneously, receiving end at telepilot receives this two kinds of signals simultaneously, and the priority by receiving end judges, the compatible reception of two kinds of signals, as long as have among IR or the RF one the road normal just can normal remote control, the anti-interference strong advantage of existing IR, also benefits such as RF is easy-to-use are arranged.
As shown in Figure 3, the radiating circuit structural representation for a kind of remote-controlled launcher of the embodiment of the invention comprises microprocessor (MCU, Micro Control Unit) 30, remote controller key 31, rf modulation circuit 32, infrared emission drive circuit 33, infrarede emitting diode 34.Wherein, this remote-controlled launcher is positioned at telepilot, TV for example, and air-conditioning, DVD player is in the telepilot of vehicle electronics lock etc.
Wherein, microprocessor 30 is respectively at remote controller key 31, rf modulation circuit 32, and infrared emission drive circuit 33 links to each other, and rf modulation circuit 32 also connects a radio-frequency antenna, and infrared emission drive circuit 33 also connects described infrarede emitting diode 34.
As shown in Figure 4, the receiving circuit structural representation for a kind of remote-receiver of another embodiment of the present invention comprises microprocessor (MCU) 40, radio frequency (RF) receiving demodulation circuit 41 and infrared receiving circuit 42.Wherein, this remote-receiver is positioned at the electronic equipment of receiving end, TV for example, and air-conditioning, DVD player is in the circuit of vehicle electronics lock etc.
Wherein, microprocessor 40 links to each other with infrared receiving circuit 42 with RF receiving demodulation circuit 41 respectively, and RF receiving demodulation circuit 41 also connects a radio-frequency antenna.
Described remote controller key 31, be used to receive the client by key input signal, and pass to described microprocessor 30.
Described microprocessor 30 is used to receive the push button signalling of described remote controller key 31 inputs, and handles, and after finishing dealing with, is transferred to described rf modulation circuit 32 and infrared emission drive circuit 33 simultaneously.
Described rf modulation circuit 32 is used for the coded pulse of described microprocessor 30 outputs is modulated to radio frequency, launches by antenna; Described infrared emission drive circuit 33 is used for the coded pulse of described microprocessor 30 outputs is launched by described infrarede emitting diode 34.
Described RF receiving demodulation circuit 41 is corresponding to described rf modulation circuit 32, be used to receive the radiofrequency signal of telepilot emission, for example, described RF receiving demodulation circuit 41 receives the signal that described rf modulation circuit 32 is launched by radio-frequency antenna, and described RF receiving demodulation circuit 41 outputs are corresponding to the coded pulse of described microprocessor 30 outputs.
When pressing remote keying 31, coded pulse signal of described microprocessor 30 outputs is given described rf modulation circuit 32 and described infrared emission drive circuit 33, goes out by infrared and emission of radio frequency signals simultaneously; After the described RF receiving demodulation circuit 41 of remote-receiver and infrared receiving circuit 42 were received signal, the coded pulse signal that demodulates was delivered to two ports of described microprocessor 40.
When described microprocessor 40 detects, when described RF receiving demodulation circuit 41 and infrared receiving circuit 42 are all exported the efficient coding pulse, more described RF receiving demodulation circuit 41 and infrared receiving circuit 42 priority, the pulse signal that only uses the high port of priority to receive; When one of them has the output effective impulse when described RF receiving demodulation circuit 41 and infrared receiving circuit 42, use this effective impulse signal as the remote signal of receiving; When described RF receiving demodulation circuit 41 and infrared receiving circuit 42 all do not have the output of effective impulse signal, then think and do not receive remote signal this moment.
The present invention also discloses a kind of remote control thereof, comprise: after telepilot receives push button signalling, transfer this push button signalling to radiofrequency signal by rf modulation circuit simultaneously and send and transfer this push button signalling to infrared signal and send by infrared emission drive circuit; Remote-receiver judges that signal is effective after receiving the radiofrequency signal and infrared signal of telepilot transmission, if all effective, select the priority higher signal and handles; If one of them is effective, select this effective signal to handle.
In sum, as long as RF and infrared signal path have one road energy usefulness, telepilot of the present invention just can operate as normal.When usual the use, user's telepilot uses fully the same with the RF telepilot, and when existence was disturbed, the user only needed that telepilot is aimed at receiver and just can normally use, and has avoided the problem that telepilot lost efficacy when interference source exists.Make and the both convenient use of telepilot can reduce by other equipment and disturb again.
By the present invention, send infrared remote-controlled signal and RF remote signal simultaneously at the telepilot end, receive this two kinds of signals simultaneously at receiving end, priority by receiving end is judged, the compatible reception of two kinds of signals, IR (infrared) or RF (radio frequency) if in have one the road normal just can normal remote control, the anti-interference strong advantage of existing IR, also benefits such as RF is easy-to-use are arranged.
Claims (8)
1. a remote-controlled launcher is characterized in that, comprising: microprocessor, and rf modulation circuit and infrared emission drive circuit, wherein, described microprocessor connects described rf modulation circuit and described infrared emission drive circuit respectively;
Described microprocessor is used to receive push button signalling and handles, and after finishing dealing with, is transferred to described rf modulation circuit and infrared emission drive circuit simultaneously;
Described rf modulation circuit is used for the coded pulse of described microprocessor output is modulated to radio frequency, launches by antenna;
Described infrared emission drive circuit is used for the coded pulse of described microprocessor output is gone out by infrared emission.
2. remote-controlled launcher as claimed in claim 1 is characterized in that, also comprises the infrarede emitting diode that is connected with described infrared emission drive circuit, is used to receive the signal of described infrared emission drive circuit and launch.
3. remote-controlled launcher as claimed in claim 1 is characterized in that, also comprises the remote controller key that is connected with described microprocessor, be used to receive the client by key input signal, and pass to described microprocessor.
4. a remote-receiver is characterized in that, comprises microprocessor, radio frequency receiving demodulation circuit and infrared receiving circuit, and wherein, described microprocessor connects described radio frequency receiving demodulation circuit and infrared receiving circuit respectively;
Described radio frequency receiving demodulation circuit is used to receive the radiofrequency signal that telepilot is launched, and described microprocessor is given in the output encoder pulse;
Described infrared receiving circuit is used to receive the infrared light pulse that telepilot sends, and described microprocessor is given in the output encoder pulse;
Described microprocessor is used to receive the described coded pulse of described radio frequency receiving demodulation circuit and infrared receiving circuit input, judges whether these two described coded pulses are effective, if all effective, select the higher coded pulse of priority and handles; If one of them is effective, select this efficient coding pulse to handle.
5. remote-receiver as claimed in claim 5 is characterized in that, described radio frequency receiving demodulation circuit also connects radio-frequency antenna, is used to receive the radiofrequency signal of telepilot emission.
6. remote-receiver as claimed in claim 5 is characterized in that, described microprocessor also is used for when described RF receiving demodulation circuit and infrared receiving circuit all do not have the output of effective impulse signal, then judges and does not receive remote signal this moment.
7. a remote control thereof is characterized in that, comprises
After telepilot receives push button signalling, transfer this push button signalling to radiofrequency signal by rf modulation circuit simultaneously and send and transfer this push button signalling to infrared signal and send by infrared emission drive circuit;
Remote-receiver judges that signal is effective after receiving the radiofrequency signal and infrared signal of telepilot transmission, if all effective, select the priority higher signal and handles; If one of them is effective, select this effective signal to handle.
8. method as claimed in claim 7 is characterized in that, also comprises:
When not having useful signal, then remote signal is not received in the remote-receiver judgement at this moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101098896A CN102081838A (en) | 2009-11-27 | 2009-11-27 | Remote-control launcher, remote-control receiving device and remote-control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101098896A CN102081838A (en) | 2009-11-27 | 2009-11-27 | Remote-control launcher, remote-control receiving device and remote-control method |
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| CN102081838A true CN102081838A (en) | 2011-06-01 |
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| CN2009101098896A Pending CN102081838A (en) | 2009-11-27 | 2009-11-27 | Remote-control launcher, remote-control receiving device and remote-control method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400484A (en) * | 2013-07-01 | 2013-11-20 | 天脉聚源(北京)传媒科技有限公司 | An equipment controlling method and device |
| CN103690020A (en) * | 2013-12-30 | 2014-04-02 | 苏州经贸职业技术学院 | Intelligent window curtain control system |
| WO2015143807A1 (en) * | 2014-03-28 | 2015-10-01 | 小米科技有限责任公司 | Infrared signal transmission method and device and remote controller |
| CN103400484B (en) * | 2013-07-01 | 2016-11-30 | 天脉聚源(北京)传媒科技有限公司 | The control method of a kind of equipment and device |
| CN106369352A (en) * | 2015-07-21 | 2017-02-01 | 上海本星电子科技有限公司 | Electric lamp for starting wireless receiving through infrared signals and remote control unit of electric lamp |
| CN106468408A (en) * | 2015-08-17 | 2017-03-01 | 上海本星电子科技有限公司 | It is provided with remote controlled lantern and its cone-shaped beam remote control of light-blocking member |
| CN107396157A (en) * | 2017-08-17 | 2017-11-24 | 四川九州电子科技股份有限公司 | Compatible infrared remote control and RF remote-controlled set top box and implementation method |
| CN109960252A (en) * | 2017-12-25 | 2019-07-02 | 深圳市优必选科技有限公司 | Robot and data processing method thereof |
| CN111653072A (en) * | 2019-03-04 | 2020-09-11 | 青岛海尔多媒体有限公司 | Method for controlling remote controller, remote controller and storage medium |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103400484A (en) * | 2013-07-01 | 2013-11-20 | 天脉聚源(北京)传媒科技有限公司 | An equipment controlling method and device |
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| CN106369352A (en) * | 2015-07-21 | 2017-02-01 | 上海本星电子科技有限公司 | Electric lamp for starting wireless receiving through infrared signals and remote control unit of electric lamp |
| CN106369352B (en) * | 2015-07-21 | 2020-06-09 | 上海本星电子科技有限公司 | Electric lamp capable of starting wireless receiving through infrared signal and remote controller thereof |
| CN106468408A (en) * | 2015-08-17 | 2017-03-01 | 上海本星电子科技有限公司 | It is provided with remote controlled lantern and its cone-shaped beam remote control of light-blocking member |
| CN107396157A (en) * | 2017-08-17 | 2017-11-24 | 四川九州电子科技股份有限公司 | Compatible infrared remote control and RF remote-controlled set top box and implementation method |
| CN109960252A (en) * | 2017-12-25 | 2019-07-02 | 深圳市优必选科技有限公司 | Robot and data processing method thereof |
| CN111653072A (en) * | 2019-03-04 | 2020-09-11 | 青岛海尔多媒体有限公司 | Method for controlling remote controller, remote controller and storage medium |
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Application publication date: 20110601 |