CN102568188A - Infrared remote control device and method for intelligent host - Google Patents
Infrared remote control device and method for intelligent host Download PDFInfo
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- CN102568188A CN102568188A CN2012100316289A CN201210031628A CN102568188A CN 102568188 A CN102568188 A CN 102568188A CN 2012100316289 A CN2012100316289 A CN 2012100316289A CN 201210031628 A CN201210031628 A CN 201210031628A CN 102568188 A CN102568188 A CN 102568188A
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Abstract
The invention provides an infrared remote control device for an intelligent host. An earphone interface of the intelligent host comprises a left channel output end and a right channel output end; the infrared remote control device comprises a modulation/demodulation module and an infrared transmitting/receiving module, wherein the modulation/demodulation module is used for modulating and demodulating control signals transmitted by the intelligent host and signal formats transmitted by the infrared transmitting/receiving module; and the infrared transmitting/receiving module is used for transmitting/receiving the control signals. The invention also provides an infrared remote control method for the intelligent host. The infrared control signals are transmitted through the earphone interface supported by intelligent mobile terminals, so that external electrical appliances are controlled; electrical energy can be provided for the device for transmitting the infrared control signals by acquiring the energy of the audio signals transmitted by the earphone interface; and by receiving the infrared control signals of the external electrical appliances, transmitting the infrared control signals to the intelligent host through a microphone input end and storing the infrared control signals in the intelligent host, the device has an infrared remote control signal learning function.
Description
Technical field
The present invention relates to information transmission technology field, particularly a kind of infrared remote-control device and method that is used for smart host.
Background technology
The Along with people's growth in the living standard, household electrical appliance and consumer-elcetronics devices are more and more, and most household electrical appliances all have different separately telepilots; Therefore; When the user uses each household electrical appliances, need find its corresponding remote controller, make electrical appliance bring many inconvenience to the user.
In addition, along with the development of mobile phone and panel computer technology, increasing people uses these intelligent mobile terminals.These intelligent mobile terminals have all disposed earphone interface; But the earphone interface of these intelligent mobile terminals can only carry out the input and output of sound signal through L channel output terminal, R channel output terminal, microphone input end, owing to there is not extra terminal can't externally export steering order.
Because the earphone interface of smart host has structure and the comparatively unified advantage of electric characteristic, how to utilize the external infrared adapter of earphone interface to realize remote control to household electrical appliance, be a problem demanding prompt solution.
Summary of the invention
For addressing the above problem; The embodiment of the invention provides a kind of infrared remote-control device that is used for smart host; The earphone interface of said smart host comprises L channel output terminal, R channel output terminal, and this infrared remote-control device comprises: modulation/demodulation modules and the infrared emission/receiver module that is electrically connected with said modulation/demodulation modules; Said modulation/demodulation modules is used for the demodulation that said smart host utilizes the signal format of L channel output terminal or R channel output terminal control signals transmitted and infrared emission/receiver module transmission; Said infrared emission/receiver module is used to launch/receive said infrared control signal.
Through utilizing the earphone interface of intelligent mobile terminal main frame to transmit the infrared control instruction, reception and modulating/demodulating are through the signal that earphone interface received, thereby realization is to the control of the electrical equipment of outside.
Wherein, also comprise: the energy acquisition module, be electrically connected with said modulation/demodulation modules and infrared emission/receiver module; Said energy acquisition module is used for receiving the sound wave signal in the sound channel of said smart host L channel output terminal or R channel output terminal; Energy conversion with said sound wave signal is a direct supply simultaneously, and comprises that for said circuit modulating/demodulating and infrared emission/receiver module provide electric energy.
Through the entrained energy of sound signal of collection smart host transmission, thereby can electric energy be provided, make this install practical simplicity more for the circuit of infrared remote-control device.
Wherein, said smart host also comprises the microphone input end, and said microphone input end is electrically connected with said modulation/demodulation modules; Said modulation/demodulation modules will be modulated through the control signal of the outside electrical equipment that infrared emission/receiver module received, and the control signal after will modulating sends said smart host to through said microphone input end.
Through the microphone input end; Can the infrared control instruction of outside electrical equipment be transferred to smart host stores; Smart host can send to this infrared control instruction the infrared emission/receiver module of this device once more; By infrared emission/this infrared control signal of receiver module emission, realize control, thereby make this infrared control device have the function of study outside electrical equipment.
Wherein, said energy acquisition module comprises booster circuit, rectification circuit and the filtering circuit that connects successively.
Through foregoing circuit, can obtain the output of galvanic current source.
Wherein, said energy acquisition module also comprises the voltage-regulating circuit that is connected with said filtering circuit.
Utilize voltage-regulating circuit, can in the efficient that improves energy conversion, improve power quality.
The embodiment of the invention also provides a kind of infrared remote control method that is used for smart host; The earphone interface of said smart host comprises L channel output terminal, R channel output terminal; One infrared remote-control device inserts earphone interface and connects said L channel output terminal, R channel output terminal; It is characterized in that this method comprises: " 0 " and " 1 " that A, smart host will comprise the digital signal of steering order is modulated to the double frequency sound signal; B, said infrared remote-control device receive the said double frequency sound signal that said smart host utilizes L channel output terminal or R channel output; C, said infrared remote-control device are resolved to control instruction corresponding with said double frequency sound signal; D, the said infrared signal that contains command information of said infrared remote-control device emission.
Through utilizing the earphone interface of intelligent mobile terminal main frame to transmit the infrared control instruction, receive also demodulation through the signal that earphone interface received, thereby realize control the electrical equipment of outside.
Wherein, also comprise before the steps A: receive the sound wave signal in the sound channel in said smart host L channel output terminal or the R channel output terminal; With the energy conversion of said sound wave signal is direct supply, so that electric energy to be provided.
Through the entrained energy of sound signal of collection smart host transmission, thereby can electric energy be provided, make this device dispense with outer connecting power or internal battery, practical simplicity more for the circuit of infrared remote-control device.
Wherein, also comprise: the control signal that receives outside electrical equipment; Said control signal is modulated; Send the microphone input end of the control signal after the modulation through said smart host to said smart host; Said smart host receives modulated infrared control signal and stores.
Through the microphone input end; Can the infrared control instruction of outside electrical equipment be transferred to smart host stores; Smart host can send to this infrared control instruction the infrared emission/receiver module of this device once more; By infrared emission/this infrared control signal of receiver module emission, realize control, thereby make this infrared control device have the function of study outside electrical equipment.
Description of drawings
A kind of illustrative view of functional configuration that is used for the infrared remote-control device of smart host that Fig. 1 provides for the embodiment of the invention.
The synoptic diagram of the ultra-red order learning functionality of the infrared remote-control device that Fig. 2 provides for the embodiment of the invention.
The synoptic diagram of the ultra-red order emission function of the infrared remote-control device that Fig. 3 provides for the embodiment of the invention.
Fig. 4 is a kind of schematic flow sheet that is used for the infrared remote control method of smart host provided by the invention.
Embodiment
The embodiment of the invention provides a kind of infrared remote-control device that is used for smart host, will combine accompanying drawing below, and the embodiment of the invention is described in detail.Referring to Fig. 1, Fig. 2 and Fig. 3; Comprise: energy acquisition module 10, the modulation/demodulation modules 20 that is electrically connected with energy acquisition module 10 and infrared emission/receiver module 30; Wherein energy acquisition module 10 is electrically connected with earphone interface L channel (or R channel) output terminal of smart host, and modulation/demodulation modules 20 is electrically connected with earphone interface R channel (or L channel) output terminal of smart host.
Smart host, for example, equipment such as mobile phone or panel computer, its earphone interface have two types usually: a kind of is three needle interfaces, a kind of is four needle interfaces.The earphone interface of three needle interfaces comprise L channel output, R channel output and common port (), four needle interfaces are then many microphone input end.The earphone interface of smart host is not because there is extra terminal, so can't be used for the directly instruction of the outside electrical equipment of transmission control.
In the present embodiment; Through gathering the form of acoustic energy, utilize a sound channel of smart host that electric energy is offered infrared remote-control device, this electric energy is that infrared remote-control device provides power supply; And steering order another sound channel through smart host is offered infrared remote-control device; The electric energy that the infrared remote-control device utilization is obtained, the emission infrared control signal is to control outside electrical equipment.
Utilize the sound channel transmission infrared control instruction in the voice-grade channel (L channel or R channel) of earphone, because smart host, for example; The voice-grade channel bandwidth of the earphone of mobile phone and dull and stereotyped apparatus such as computer is about 20KHz; And infrared frequency of carrier signal is generally 36～40KHz, even higher; Therefore, can not directly export infrared carrier signal.For the infrared carrier signal of output in the voice-grade channel of earphone,, utilize sound signal to transmit infrared carrier signal (being the infrared control instruction) through the mode of double frequency voice modulation.Promptly use the transmission of sound signals data of two different single-frequencies, for example, available 2200 hertz and 1200 hertz of representatives " 1 " and " 0 " respectively.
And utilize the sound signal that another sound channel in the earpiece audio passage (L channel or R channel) is transmitted is that infrared remote-control device provides electric energy; Through collecting the energy of this sound channel played sound signal; And collected energy carried out corresponding DC converting; That is, it is the sound of 20KHz (or higher frequency) that smart host is play frequency through the earphone L channel, and energy acquisition module 10 receives sound wave signal; And convert the sound wave signal that receives (AC signal) into direct supply, for infrared remote-control device provides electric energy.
In order to improve power quality, energy acquisition module 10 also can comprise voltage-regulating circuit.
The earphone of smart host can be exported and be not less than 20KHz, and the sound wave signal of 500mV peak-to-peak value is if energy acquisition module 10 can provide the power about 6mW externally exporting under the 5V voltage condition.Can satisfy of the requirement of other circuit of IR remote controller fully to power supply.
In addition; The microphone input end of smart host is electrically connected with modulation/demodulation modules 20; The infrared control signal that so outside electrical equipment sends can by infrared remote-control device record, the control signal that outside electrical equipment sent sends modulation/demodulation modules 20 to through infrared emission/receiver module 30.
Modulation/demodulation modules 20 converts the control signal that is received into sound signal; The microphone input end of smart host utilizes sound signal to transmit infrared control and instructs smart host; Promptly use the voice signal of two different single-frequencies; For example, represent " 1 " and " 0 " respectively, and the form of infrared control instruction with the sound signal of double frequency modulation is sent in the smart mobile phone for available 2200 hertz and 1200 hertz; Smart host receives these sound signals and carries out demodulation, and the infrared control instruction that obtains after the demodulation is stored.Smart host can send to this infrared control instruction the infrared emission/receiver module of this device once more; By infrared emission/this infrared control signal of receiver module emission; Realization is to the control of outside electrical equipment, thus the function of the infrared remote control instruction that infrared remote-control device has been had learn outside electrical equipment.
The embodiment of the invention also provides a kind of infrared remote control method that is used for above-mentioned smart host, and referring to Fig. 4, this method may further comprise the steps:
410: smart host will comprise the digital signal of steering order " 0 " and " 1 " be modulated to the double frequency sound signal;
420: said infrared remote-control device receives the said double frequency sound signal that said smart host utilizes L channel output terminal or R channel output;
430: said infrared remote-control device is resolved to corresponding infrared control instruction with said double frequency sound signal;
440: said infrared remote-control device emission contains the infrared signal of said command information.
Also comprise before the step 410: receive the sound wave signal in the sound channel in said smart host L channel output terminal or the R channel output terminal; With the energy conversion of said sound wave signal is direct supply, so that electric energy to be provided.
This method also comprises: the control signal that receives outside electrical equipment; Said control signal is modulated; Send the microphone input end of the sound signal after the modulation through said smart host to said smart host; Said smart host receives these sound signals and carries out demodulation, and the infrared control instruction that obtains after the demodulation is stored.
This method embodiment is corresponding with device embodiment, and its practical implementation step all can be implemented in above-mentioned arbitrary embodiment device.
The above is merely preferred embodiment of the present invention; Not in order to restriction the present invention; For example, can the module of difference in functionality be realized etc. through an IC chip, all within spirit of the present invention and principle; Any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. infrared remote-control device that is used for smart host, the earphone interface of said smart host comprises L channel output terminal, R channel output terminal, it is characterized in that, this infrared remote-control device comprises:
Modulation/demodulation modules and the infrared emission/receiver module that is electrically connected with said modulation/demodulation modules;
Said modulation/demodulation modules is used for the modulation and demodulation that said smart host utilizes the signal format of L channel output terminal or R channel output terminal control signals transmitted and infrared emission/receiver module transmission;
Said infrared emission/receiver module is used to launch/receive said control signal.
2. device according to claim 1 is characterized in that, also comprises:
The energy acquisition module, be electrically connected with said modulation/demodulation modules and infrared emission/receiver module;
Said energy acquisition module is used for receiving the sound wave signal in the sound channel of said smart host L channel output terminal or R channel output terminal; Energy conversion with said sound wave signal is a direct supply simultaneously, and electric energy is provided for said modulation/demodulation modules and infrared emission/receiver module.
3. device according to claim 1 is characterized in that said smart host also comprises the microphone input end, and said microphone input end is electrically connected with said modulation/demodulation modules;
Said modulation/demodulation modules will be modulated through the control signal of the outside electrical equipment that infrared emission/receiver module received; And the sound signal after will modulating sends said smart host to through said microphone input end; Smart host receives these sound signals and carries out demodulation, and the infrared control instruction that obtains after the demodulation is stored.
4. device according to claim 1 is characterized in that, said energy acquisition module comprises booster circuit, rectification circuit and the filtering circuit that connects successively.
5. device according to claim 4 is characterized in that, said energy acquisition module also comprises the voltage-regulating circuit that is connected with said filtering circuit.
6. infrared remote control method that is used for smart host; The earphone interface of said smart host comprises L channel output terminal, R channel output terminal; One infrared remote-control device inserts earphone interface and connects said L channel output terminal, R channel output terminal, it is characterized in that this method comprises:
A, smart host will comprise the digital signal of instruction " 0 " and " 1 " be modulated to the double frequency sound signal;
B, said infrared remote-control device receive the said double frequency sound signal that said smart host utilizes L channel output terminal or R channel output;
C, said infrared remote-control device are resolved to control instruction corresponding with said double frequency sound signal;
D, the emission of said infrared remote-control device contain the infrared signal of said command information.
7. method according to claim 6 is characterized in that, also comprises before the steps A:
Receive the sound wave signal in the sound channel in said smart host L channel output terminal or the R channel output terminal;
With the energy conversion of said sound wave signal is direct supply, so that electric energy to be provided.
8. method according to claim 6 is characterized in that, also comprises:
Receive the control signal of outside electrical equipment;
Said control signal is modulated;
Send the microphone input end of the control signal after the modulation through said smart host to said smart host;
Said smart host receives and demodulates the infrared control instruction and stores.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100316289A CN102568188A (en) | 2012-02-13 | 2012-02-13 | Infrared remote control device and method for intelligent host |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100316289A CN102568188A (en) | 2012-02-13 | 2012-02-13 | Infrared remote control device and method for intelligent host |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103152104A (en) * | 2013-03-05 | 2013-06-12 | 恬家（上海）信息科技有限公司 | Infrared transmitting circuit, transmitting end of infrared remote control system and implementation method thereof |
| CN103580750A (en) * | 2012-08-09 | 2014-02-12 | 庄汜玔 | Device for converting sound source signal into infrared ray |
| CN104901709A (en) * | 2015-04-10 | 2015-09-09 | 苏州尚德智产通信技术有限公司 | Radio system having mobile terminal and peripheral equipment, and radio system control method |
| CN105070010A (en) * | 2015-07-31 | 2015-11-18 | 深圳市国电科技通信有限公司 | Short-distance wireless communication-based meter reading apparatus and meter reading method thereof |
| CN105118282A (en) * | 2015-09-07 | 2015-12-02 | 无锡力芯微电子股份有限公司 | Infrared remote control equipment and system based on headphone interface |
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| CN1223508A (en) * | 1998-01-13 | 1999-07-21 | 黄金富 | Sound-controlled infrared ray remote controller |
| US6931231B1 (en) * | 2002-07-12 | 2005-08-16 | Griffin Technology, Inc. | Infrared generator from audio signal source |
| CN102103792A (en) * | 2009-12-17 | 2011-06-22 | 斯平玛斯特有限公司 | Device and method for converting a computing device into a remote control |
| CN202502615U (en) * | 2012-02-13 | 2012-10-24 | 宏视远景网络技术(北京)股份有限公司 | Infrared remote control device for smart host |
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Patent Citations (4)
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| CN1223508A (en) * | 1998-01-13 | 1999-07-21 | 黄金富 | Sound-controlled infrared ray remote controller |
| US6931231B1 (en) * | 2002-07-12 | 2005-08-16 | Griffin Technology, Inc. | Infrared generator from audio signal source |
| CN102103792A (en) * | 2009-12-17 | 2011-06-22 | 斯平玛斯特有限公司 | Device and method for converting a computing device into a remote control |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580750A (en) * | 2012-08-09 | 2014-02-12 | 庄汜玔 | Device for converting sound source signal into infrared ray |
| CN103152104A (en) * | 2013-03-05 | 2013-06-12 | 恬家（上海）信息科技有限公司 | Infrared transmitting circuit, transmitting end of infrared remote control system and implementation method thereof |
| CN104901709A (en) * | 2015-04-10 | 2015-09-09 | 苏州尚德智产通信技术有限公司 | Radio system having mobile terminal and peripheral equipment, and radio system control method |
| CN104901709B (en) * | 2015-04-10 | 2018-02-13 | 苏州尚德智产通信技术有限公司 | A kind of Radio system and its control method comprising mobile terminal and external device |
| CN105070010A (en) * | 2015-07-31 | 2015-11-18 | 深圳市国电科技通信有限公司 | Short-distance wireless communication-based meter reading apparatus and meter reading method thereof |
| CN105118282A (en) * | 2015-09-07 | 2015-12-02 | 无锡力芯微电子股份有限公司 | Infrared remote control equipment and system based on headphone interface |
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Application publication date: 20120711 |