CN100435176C - Remote signal converting system and method thereof - Google Patents
Remote signal converting system and method thereof Download PDFInfo
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- CN100435176C CN100435176C CNB2006100205562A CN200610020556A CN100435176C CN 100435176 C CN100435176 C CN 100435176C CN B2006100205562 A CNB2006100205562 A CN B2006100205562A CN 200610020556 A CN200610020556 A CN 200610020556A CN 100435176 C CN100435176 C CN 100435176C
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Abstract
The present invention relates to a control technique, particularly to a remote control system of a household electric appliance. The present invention solves the shortages of short controlling distance and strong directional properties of the existing infrared remote control system and discloses a remote-signal converting system and a method. The technical scheme of the present invention comprises a transmitting apparatus and a receiving apparatus, wherein the transmitting apparatus comprises an infrared receiver and a radio transmitter; the receiving apparatus comprises a radio receiver and an infrared emitter. Infrared remote control signals are converted to radio remote control signals by the present invention to carry out transmission, and finally the radio remote control signals are reduced to the infrared remote control signals. The present invention has the advantages that the remote control of the household electric appliance can be realized by the radio receiving and sending of the remote control signals, remote control distance is added, and the present invention is convenient for interfacing with the existing controlling equipment.
Description
Technical field
The present invention relates to control technology, particularly the household appliance remote control system.
Background technology
In the closely remote control of daily household electrical appliance, Infrared Ray Remote Control Technology has obtained being extensive use of as a kind of mature technology.Telechirics generally is made of emitter (infrared transmitter) and receiving trap (infrared receiver), and its control signal is a carrier with the infrared ray, transmits by the space.Because the infrared remote control signal self characteristics, determined the ability that it penetrates barrier to be nowhere near, more can not carry out remote control control to the household electronic products of chummery not.For hand-held infrared transmitter (telepilot), the infrarede emitting diode emissive power is generally all smaller, the infrared signal of emission a little less than, effectively remote control distance and remote control angle are very limited, can not satisfy user's requirement.And for the requirement of moulding and structural design, the position that remote control receives head also varies household electronic products, has further limited the direction and the distance of receiving infrared-ray remote signal usually.
Summary of the invention
Technical matters to be solved by this invention is exactly short at existing Infrared Ray Remote Control Technology command range, and the shortcoming of high directivity provides a kind of remote signal converting system.
The present invention solves the problems of the technologies described above, and the technical scheme of employing is:
Remote signal converting system comprises emitter and receiving trap; Described emitter comprises infrared receiver and transmitting set, and described infrared receiver is connected with described transmitting set; Described receiving trap comprises radio receiver and infrared transmitter, and described radio receiver is connected with described infrared transmitter; Described emitter is arranged in the televisor, and described infrared receiver is the televisor infrared receiving terminal.
The invention has the beneficial effects as follows,, can realize the Long-distance Control of household electrical appliance, both increased remote control distance, be convenient to again and existing opertaing device interface by the wireless forwarding of remote signal.
Description of drawings
Fig. 1 is a remote signal transmission synoptic diagram;
Fig. 2 is the synoptic diagram of emitter;
Fig. 3 is the synoptic diagram of receiving trap.
Embodiment
Below in conjunction with drawings and Examples, describe technical scheme of the present invention in detail.
The present invention realizes the infrared command forwarding based on wireless transmitting system by wireless transmitting system, and the remote signal transmission course is referring to Fig. 1.The infrared remote control signal of infrared remote controller emission is received and is handled by emitter, and the radio remote-controlled signal that converts ISM band to is launched.Receiving trap receives above-mentioned radio signal, converts infrared remote control signal to and launches, and household electrical appliance are controlled.The frequency of above-mentioned radio remote-controlled signal is 2.4GHz.
Remote signal converting system is made up of emitter and receiving trap two parts.
As shown in Figure 2, emitter is made of infrared receiver and transmitting set.The infrared remote control signal of telepilot emission is received by infrared receiver, infrared receiver is handled signal, demodulate the remote control coding signal and be sent to transmitting set, transmitting set adopts wireless transmission protocol, the remote control coding signal is carried out recompile, and be modulated on the radio frequency and launch.
The receiving trap structure as shown in Figure 3.The radio receiver of receiving trap, receive the radio remote-controlled signal of emitter emission, obtain the remote control coding signal through after the demodulation, the remote control coding signal is sent to infrared transmitter and carries out recompile, coding back remote signal is modulated onto on the infrared ray launches, near the receiving trap household electrical appliance are controlled, finished the wireless forwarding of remote signal.
Remote signal converting system of the present invention comprises emitter and receiving trap; Described emitter comprises infrared receiver and transmitting set, and described infrared receiver is connected with described transmitting set; Described receiving trap comprises radio receiver and infrared transmitter, and described radio receiver is connected with described infrared transmitter; Described emitter is arranged in the televisor, and described infrared receiver is the televisor infrared receiving terminal.
Concrete is: described transmitting set and radio receiver work in ISM band;
Particularly: described transmitting set and radio receiver frequency of operation are 2.4GHz.
Embodiment
The following examples, with the televisor reception infrared command and the forwarding of built-in emitter, controlling near the air conditioner of receiving trap is example, and wireless transmitting system of the present invention is described.
Obtain the pulse of serial binary remote control coding after infrared command that the infrared receiving terminal receiving infrared-ray telepilot of televisor sends and the amplification of finishing remote signal, detection, shaping, the demodulation process.After the remote control coding pulse is discerned through the televisor main control MCU, the command code of needs forwarding is transferred to the wireless network process chip of transmitting set, after the wireless network process chip is carried out corresponding data conversion processing according to wireless transmission protocol, be transported to wireless network card with Mini pci data form, after finishing MAC layer identification control, Base-Band Processing, DA conversion by wireless network card, be modulated on the corresponding radio-frequency carrier, launch by antenna.
After receiving trap is received radiofrequency signal by antenna, finish the operations such as demodulation, AD conversion, MAC layer identification control, Base-Band Processing of radiofrequency signal by wireless network card after, be converted to MiniPCI data layout signal, obtain the remote control coding pulse after handling through the wireless network process chip.The remote control coding pulse is sent to infrared transmitter, through modulate again, processing such as amplification back launches with the form of infrared waves, near the air conditioner being positioned at receives infrared command and finishes respective operations.The radio frequency band that this is routine, adopting the 2.4GHz frequency in the free frequency range of ISM is carrier wave, as the radio remote-controlled signal carrier wave of wireless transmitting system.
The present invention is based on a certain household electrical appliance (as televisor etc.), constitute wireless retransmission center, near the household electrical appliance that need control in each room, receiving trap is set, and forming control system is transmitted guidance command with radio, restore at last and be the infra-red remote control order, do not need like this other household electrical appliance are reequiped, just can be suitable for remote signal converting system of the present invention, further reduced system cost.The present invention also can adopt independently, and emitter constitutes wireless retransmission center.
For the radio transmission that relates among the present invention, reception technique, can adopt ripe now wireless data transmission technology, be not described in detail the concrete structure of transmitting set and radio receiver here.
Claims (3)
1. remote signal converting system comprises emitter and receiving trap; It is characterized in that: described emitter comprises infrared receiver and transmitting set, and described infrared receiver is connected with described transmitting set; Described receiving trap comprises radio receiver and infrared transmitter, and described radio receiver is connected with described infrared transmitter; Described emitter is arranged in the televisor, and described infrared receiver is the televisor infrared receiving terminal.
2. remote signal converting system according to claim 1 is characterized in that: described transmitting set and radio receiver work in ISM band.
3. remote signal converting system according to claim 2 is characterized in that: described transmitting set and radio receiver frequency of operation are 2.4GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100205562A CN100435176C (en) | 2006-03-24 | 2006-03-24 | Remote signal converting system and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100205562A CN100435176C (en) | 2006-03-24 | 2006-03-24 | Remote signal converting system and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1835041A CN1835041A (en) | 2006-09-20 |
| CN100435176C true CN100435176C (en) | 2008-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100205562A Expired - Fee Related CN100435176C (en) | 2006-03-24 | 2006-03-24 | Remote signal converting system and method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN100435176C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4539695B2 (en) * | 2007-09-04 | 2010-09-08 | ソニー株式会社 | Remote control system, electronic device and control method |
| CN101483006B (en) * | 2008-05-30 | 2010-06-30 | 南靖万利达科技有限公司 | Method for forwarding remote control signal |
| CN101430820B (en) * | 2008-11-26 | 2010-06-02 | 谭晖 | Electronic equipment and signal translator |
| CN101877164B (en) * | 2009-04-30 | 2012-01-25 | 骏升科技（扬州）有限公司 | RF module used for replacing IR module on infrared receiving equipment and application thereof |
| CN102446404A (en) * | 2010-10-12 | 2012-05-09 | 正文科技股份有限公司 | Short-range wireless signal extension device receiver and transmitter, and method thereof |
| CN102436736B (en) * | 2011-12-31 | 2014-01-08 | 杭州士兰光电技术有限公司 | Infrared receiving head and control board containing same as well as receiving device of infrared remote control system |
| TW201509142A (en) * | 2013-08-23 | 2015-03-01 | Chao-Yu Yueh | Remote control device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4809359A (en) * | 1986-12-24 | 1989-02-28 | Dockery Devan T | System for extending the effective operational range of an infrared remote control system |
| CN2259580Y (en) * | 1996-05-18 | 1997-08-13 | 大连经济技术开发区长城实业有限公司 | Remote-control device for air conditioner |
| CN2328050Y (en) * | 1997-11-03 | 1999-07-07 | 刘长振 | Multifunctional computer remote controller with combination of infrared control and radio control |
| CN2501113Y (en) * | 2001-08-30 | 2002-07-17 | 钟元锋 | Universal radio remote-controller |
| CN1565007A (en) * | 2001-10-05 | 2005-01-12 | 皇家飞利浦电子股份有限公司 | Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system |
-
2006
- 2006-03-24 CN CNB2006100205562A patent/CN100435176C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4809359A (en) * | 1986-12-24 | 1989-02-28 | Dockery Devan T | System for extending the effective operational range of an infrared remote control system |
| CN2259580Y (en) * | 1996-05-18 | 1997-08-13 | 大连经济技术开发区长城实业有限公司 | Remote-control device for air conditioner |
| CN2328050Y (en) * | 1997-11-03 | 1999-07-07 | 刘长振 | Multifunctional computer remote controller with combination of infrared control and radio control |
| CN2501113Y (en) * | 2001-08-30 | 2002-07-17 | 钟元锋 | Universal radio remote-controller |
| CN1565007A (en) * | 2001-10-05 | 2005-01-12 | 皇家飞利浦电子股份有限公司 | Method of operating a remote control system and a remote control system comprising an RF transmission and receiving system |
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| Publication number | Publication date |
|---|---|
| CN1835041A (en) | 2006-09-20 |
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Granted publication date: 20081119 Termination date: 20170324 |