CN201142126Y - Infrared remote control signal wireless repeater system - Google Patents
Infrared remote control signal wireless repeater system Download PDFInfo
- Publication number
- CN201142126Y CN201142126Y CNU2007201925787U CN200720192578U CN201142126Y CN 201142126 Y CN201142126 Y CN 201142126Y CN U2007201925787 U CNU2007201925787 U CN U2007201925787U CN 200720192578 U CN200720192578 U CN 200720192578U CN 201142126 Y CN201142126 Y CN 201142126Y
- Authority
- CN
- China
- Prior art keywords
- infrared remote
- controlled signal
- circuit
- infrared
- wireless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses an infrared remote control signal wireless transmitting system which includes an infrared remote signal receiving and wireless sending circuit part and a wireless receiving and infrared remote control signal sending circuit part. The infrared remote signal receiving and wireless sending circuit part includes that an infrared remote control signal receiving demodulator circuit receives an infrared remote signal and sends into a singlechip processing circuit, and the singlechip processing circuit transforms the infrared into radio wave and sends via a wireless sending circuit. The wireless receiving and infrared remote control signal sending circuit part includes that a wireless receiving circuit receives the radio wave sent by the wireless sending circuit and sends into the singlechip processing circuit to revert the infrared signal, and then an infrared remote signal sending circuit is used for sending. The infrared remote signal wireless transmitting system is used for the infrared remote control signal wireless transmission of family digital TV set boxes, satellite television receivers, DVD video disc players and so on; the use is convenient; the communication link does not need to be pre-embedded; and space distance and barriers can not limit the infrared remote signal wireless transmission.
Description
Technical field
The utility model relates to a kind of infrared remote-controlled signal wireless transmitting system, relates in particular to a kind of infrared remote-controlled signal wireless transmitting system that is applicable to family digital TV set-top box, satellite television receiver, DVD player etc.
Background technology
Infra-red remote control is most popular a kind of communication at present and remote control means.Because infrared remote controller has characteristics such as volume is little, low in energy consumption, function is strong, cost is low, thereby, after colour TV, video recorder, on other compact electric apparatus devices such as sound-track engraving apparatus, stereo set, air-conditioning and toy, also adopt infra-red remote control one after another.In the commercial unit, under environment such as high pressure, radiation, toxic gas, dust, the employing infra-red remote control is not only reliable fully but also can isolate electrical Interference effectively.
But since infrared ray be subjected to can only rectilinear propagation, can not penetrate the restriction of conditions such as opaque barrier and propagation distance be short, brought inconvenience in increasing occasion to the user.
Audio-visual devices such as DVD player is more and more universal now, and people can not satisfy original cable television program, more people is pursuing satellite television, and relevant functional department of country has also put into effect the file of a series of cities and towns Digital Television conversion, people can see more program channel, the TV programme of high definition more can also interactive be coached highlights such as the film oneself liked, ball match.
But after the whole conversion beginning of Digital Television, a set-top box is only freely installed by TV station, for the user who has multiple TV set in the family, just has following puzzlement:
1, a set-top box only is installed, just can only watches in the parlor, the TV in other room can't be watched;
2, set-top box dismounting between parlor or room, bring changing of connecing and see, move loaded down with trivial details, very inconvenient;
3, many set-top box are installed, the monthly rent license fee usefulness of high secondary set-top box purchase commodity and long-term expenditure has increased family's expenditure.
Satellite television and Digital Television have similar limitation.
(all there is this series products in the producer of nowadays much doing household weak-current case product through the audio frequency and video allocated product, the HMAV-206 or the HMAV-25.2A module of picture Hangzhou Hongyan Electrical Appliances Co., Ltd) audio-video signal of set-top box output is assigned on each room televisor of (comprising the parlor), like this as long as a set-top box is placed on the parlor, in the family each televisor can be watched same channel simultaneously, or watches Digital Television in different rooms at times.But so only solved the assignment problem of audio-video signal, can watch program, but can not change platform in the room and regulate operations such as volume, uncontrollable set-top box to the parlor in the room.
Now existing Related product can be sent to the parlor to the signal that the telepilot of set-top box sends.This mode is by an infrared receiving box being installed in the room, an infrared emission box is installed in the parlor, connect by communication line (such as network, telephone wire), infrared remote-controlled signal being transferred to the parlor from the room.But this product must draw a connection, has great limitation.Can a pre-buried connection when just fitting up in the room, but the room of finishing after good is just inconvenient.This just causes user's inconvenience greatly in the use.
Summary of the invention
The utility model provides a kind of and is easy to use, is not subjected to space length and barrier restriction, do not need the infrared remote-controlled signal repeater system of pre-buried connection, the remote control distance of original home appliance (digital TV set-top box, satellite television receiver, DVD player etc.) is prolonged, make the user enjoy audio-visual better faster audiovisual sumptuous meal.
The utility model adopts wireless communication technology, single-chip microcomputer control technology, infrared signal to receive to amplify the scheme that demodulation techniques, infrared remote control pulse signal modulation technology etc. combine, and the infrared signal that the Infrared remote controller in the room is sent is transmitted the controlled plant (digital TV set-top box, satellite television receiver, DVD player etc.) that is given to the parlor after by wireless transmission again.
Infrared remote-controlled signal wireless transmitting system of the present utility model, comprise that infrared remote-controlled signal receives and radio transmitter part and wireless receiving and infrared remote-controlled signal radiating circuit part, infrared remote-controlled signal receives and radio transmitter partly comprises infrared remote-controlled signal receiving demodulation circuit, single-chip microcomputer treatment circuit, radio transmitter, the infrared remote-controlled signal receiving demodulation circuit receives input single-chip microcomputer treatment circuit behind the infrared remote-controlled signal, and the single-chip microcomputer treatment circuit sends by radio transmitter after being converted to radiowave infrared; Wireless receiving and infrared remote-controlled signal radiating circuit partly comprise wireless receiving circuit, single-chip microcomputer treatment circuit, infrared remote-controlled signal radiating circuit, input single-chip microcomputer treatment circuit vat red external signal sends by the infrared remote-controlled signal radiating circuit again behind the radiowave that wireless receiving circuit reception radio transmitter sends.
Described infrared remote-controlled signal receiving demodulation circuit, use integrates the integrated infrared receiver HS0038 that infrared ray receives and amplifies, without any need for outward element, just can finish all working that receives output and Transistor-Transistor Logic level signal compatibility from infrared ray, and volume is the same with common plastic packaging triode size, and it is suitable for various infra-red remote controls and infrared data transmission.
Described infrared remote-controlled signal receives and radio transmitter single-chip microcomputer treatment circuit partly, adopt the width (the width maximum is no more than 65 milliseconds) of high-low level in the single chip computer AT mega8L record infrared signal waveform, according to non-return-to-zero width modulation method this group width data is carried out the wireless transmission baseband coding then, and export to radio transmitter.
Described radio transmitter is made up of modulation circuit and oscillatory circuit two parts, operating voltage 12V, emissive power is less than 500mA, frequency stability is ± 75KHz, static working current is less than 0.1mA, transmitter current is 3～50mA, and that transmission carrier frequency is used is the open at present ISM band 433MHz of China.
Described wireless receiving circuit is made up of low noise amplifier circuit, oscillatory circuit, demodulator circuit and several parts such as low frequency shaping and amplifying circuit, operating voltage 5V, receiving sensitivity is-100dbm that frequency stability is ± 200KHz, quiescent current is less than 5mA, and working current is less than 5mA.
The single-chip microcomputer treatment circuit of described wireless receiving and infrared remote-controlled signal radiating circuit part, finish the baseband decoding of wireless transmission by ATmega8L software, obtain the width data of high-low level in the original infrared signal waveform, again according to this group width data, utilize the Timer of single-chip microcomputer inside to control (the high level output of the output situation of 38KHz carrier wave, low level is not exported, and output time length is by the width data control of high-low level), finish the modulation of infrared emission.
Described infrared remote-controlled signal radiating circuit mainly is made up of infrared emission tube and a switching tube.
Adopt infrared remote-controlled signal repeater system of the present utility model, between room and parlor, do not need the existence of communication line.The infrared signal that telepilot sends in the room, giving single-chip microcomputer behind the infrared receiving circuit receiving demodulation handles, by wireless communication technology signal forwarding is gone out again, launch the equipment such as digital TV set-top box, satellite television receiver, DVD player in control parlor after after the parlor receives the signal that wireless transmission comes, handling and modulate by single-chip microcomputer more again through the infrared emission circuit.
Description of drawings
Fig. 1 is the utility model circuit function module frame chart.
Embodiment
As shown in fig. 1, the infrared remote-controlled signal wireless transmitting system comprises that infrared remote-controlled signal receives and radio transmitter part and wireless receiving and infrared remote-controlled signal radiating circuit part, infrared remote-controlled signal receives and radio transmitter partly comprises infrared remote-controlled signal receiving demodulation circuit (1), single-chip microcomputer treatment circuit (2), radio transmitter (3), infrared remote-controlled signal receiving demodulation circuit (1) receives input single-chip microcomputer treatment circuit (2) behind the infrared remote-controlled signal, and single-chip microcomputer treatment circuit (2) will infraredly be converted to behind the radiowave by radio transmitter (3) transmission; Wireless receiving and infrared remote-controlled signal radiating circuit partly comprise wireless receiving circuit (4), single-chip microcomputer treatment circuit (5), infrared remote-controlled signal radiating circuit (6); Input single-chip microcomputer treatment circuit (5) vat red external signal sends by infrared remote-controlled signal radiating circuit (6) again behind the radiowave that wireless receiving circuit (4) reception radio transmitter (3) sends.
Described infrared remote-controlled signal receiving demodulation circuit (1), use a kind of integrated infrared receiver HS0038 that integrates the infrared ray reception and amplify of Vishay Telefunken company, without any need for outward element, just can finish all working that receives output and Transistor-Transistor Logic level signal compatibility from infrared ray, and volume is the same with common plastic packaging triode size, and it is suitable for various infra-red remote controls and infrared data transmission.
Described infrared remote-controlled signal receives and radio transmitter single-chip microcomputer treatment circuit (2) partly, the width (the width maximum is no more than 65 milliseconds) of high-low level in the ATmega8L record infrared signal waveform in the AVR series monolithic of employing atmel corp, according to non-return-to-zero width modulation method this group width data is carried out the wireless transmission baseband coding then, and export to radio transmitter (3).
Described radio transmitter (3) is made up of modulation circuit and oscillatory circuit two parts, operating voltage 12V, emissive power is less than 500mA, frequency stability is ± 75KHz, static working current is less than 0.1mA, transmitter current is 3～50mA, and that transmission carrier frequency is used is the open at present ISM band 433MHz of China.
Described wireless receiving circuit (4) is made up of low noise amplifier circuit, oscillatory circuit, demodulator circuit and several parts such as low frequency shaping and amplifying circuit, operating voltage 5V, receiving sensitivity is-100dbm that frequency stability is ± 200KHz, quiescent current is less than 5mA, and working current is less than 5mA.
The single-chip microcomputer treatment circuit (5) of described wireless receiving and infrared remote-controlled signal radiating circuit part, finish the baseband decoding of wireless transmission by ATmega8L software, obtain the width data of high-low level in the original infrared signal waveform, again according to this group width data, utilize the Timer of single-chip microcomputer inside to control (the high level output of the output situation of 38KHz carrier wave, low level is not exported, and output time length is by the width data control of high-low level), finish the modulation of infrared emission.
Described infrared remote-controlled signal radiating circuit (6) mainly is made up of infrared emission tube and a switching tube.
Infrared remote-controlled signal receives and radio transmitter partly is placed in the room, and wireless receiving and infrared remote-controlled signal radiating circuit part then are placed in the place ahead of equipment such as parlor digital TV set-top box, satellite television receiver, DVD player.Its principle of work is as follows: hand-held remote controller is pressed teleswitch in the room, employing integrates that infrared ray receives and the infrared remote-controlled signal receiving demodulation circuit (1) that amplifies is given single-chip microcomputer treatment circuit (2) after receiving infrared remote-controlled signal, the width (the width maximum is no more than 65 milliseconds) of high-low level in single-chip microcomputer treatment circuit (2) the record infrared signal waveform, according to non-return-to-zero width modulation method this group width data is carried out the wireless transmission baseband coding then, send radio transmitter (3) to, radio transmitter (3) is operated in ISM band 433MHz, barriers such as penetrable body of wall, the signal that single-chip microcomputer is handled well is wirelessly transmitted to the parlor from the room; Wireless receiving circuit (4) in the parlor can receive the signal that radio transmitter (3) emits, give single-chip microcomputer treatment circuit (5) again, single-chip microcomputer treatment circuit (5) obtains the width data of high-low level in the original infrared signal waveform, according to this group width data, utilize the Timer of single-chip microcomputer inside to control (the high level output of the output situation of 38KHz carrier wave, low level is not exported, output time length is by the width data control of high-low level), give infrared remote-controlled signal radiating circuit (6), infrared remote-controlled signal radiating circuit (6) is launched infrared signal, the digital TV set-top box in control parlor, satellite television receiver, equipment such as DVD player.
Claims (7)
1. infrared remote-controlled signal wireless transmitting system, it is characterized in that: comprise that infrared remote-controlled signal receives and radio transmitter part and wireless receiving and infrared remote-controlled signal radiating circuit part, infrared remote-controlled signal receives and radio transmitter partly comprises infrared remote-controlled signal receiving demodulation circuit (1), single-chip microcomputer treatment circuit (2), radio transmitter (3), infrared remote-controlled signal receiving demodulation circuit (1) receives input single-chip microcomputer treatment circuit (2) behind the infrared remote-controlled signal, and single-chip microcomputer treatment circuit (2) will infraredly be converted to behind the radiowave by radio transmitter (3) transmission; Wireless receiving and infrared remote-controlled signal radiating circuit partly comprise wireless receiving circuit (4), single-chip microcomputer treatment circuit (5), infrared remote-controlled signal radiating circuit (6); Input single-chip microcomputer treatment circuit (5) vat red external signal sends by infrared remote-controlled signal radiating circuit (6) again behind the radiowave that wireless receiving circuit (4) reception radio transmitter (3) sends.
2. a kind of infrared remote-controlled signal wireless transmitting system as claimed in claim 1 is characterized in that: described infrared remote-controlled signal receiving demodulation circuit (1) comprises that infrared ray receives and enlarging function.
3. a kind of infrared remote-controlled signal wireless transmitting system as claimed in claim 2 is characterized in that: described infrared remote-controlled signal receiving demodulation circuit (1) adopts infrared receiver HS0038.
4. a kind of infrared remote-controlled signal wireless transmitting system as claimed in claim 1, it is characterized in that: the width of high-low level in single-chip microcomputer treatment circuit (2) the record infrared signal waveform of described infrared remote-controlled signal reception and radio transmitter part, carry out the wireless transmission baseband coding to this group width data then.
5. a kind of infrared remote-controlled signal wireless transmitting system as claimed in claim 4 is characterized in that: described single-chip microcomputer treatment circuit (2) adopts single chip computer AT mega8L.
6. a kind of infrared remote-controlled signal wireless transmitting system as claimed in claim 1, it is characterized in that: the single-chip microcomputer treatment circuit (5) of described wireless receiving and infrared remote-controlled signal radiating circuit part, baseband decoding to wireless transmission, obtain the width data of high-low level in the original infrared signal waveform, according to this group width data, control the output of 38KHz carrier wave again.
7. a kind of infrared remote-controlled signal wireless transmitting system as claimed in claim 6 is characterized in that: described single-chip microcomputer treatment circuit (5) adopts single chip computer AT mega8L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201925787U CN201142126Y (en) | 2007-11-27 | 2007-11-27 | Infrared remote control signal wireless repeater system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201925787U CN201142126Y (en) | 2007-11-27 | 2007-11-27 | Infrared remote control signal wireless repeater system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201142126Y true CN201142126Y (en) | 2008-10-29 |
Family
ID=40069836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201925787U Expired - Lifetime CN201142126Y (en) | 2007-11-27 | 2007-11-27 | Infrared remote control signal wireless repeater system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201142126Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110360A (en) * | 2009-12-23 | 2011-06-29 | 康佳集团股份有限公司 | Infrared remote-control signal repeater and control method thereof |
| CN103061634A (en) * | 2012-12-28 | 2013-04-24 | 北京易斯路电子有限公司 | Wireless signal control device for power-operated sliding door of passenger vehicle |
| CN103186978A (en) * | 2011-12-30 | 2013-07-03 | 无锡华润矽科微电子有限公司 | Circuit structure for controlling infrared remote control emission |
| CN103680112A (en) * | 2012-09-10 | 2014-03-26 | 上海九鹰电子科技有限公司 | Signal code conversion method and device |
| CN111343491A (en) * | 2020-04-26 | 2020-06-26 | 中山市悦辰电子实业有限公司 | Remote control intermediate transfer control circuit |
-
2007
- 2007-11-27 CN CNU2007201925787U patent/CN201142126Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110360A (en) * | 2009-12-23 | 2011-06-29 | 康佳集团股份有限公司 | Infrared remote-control signal repeater and control method thereof |
| CN103186978A (en) * | 2011-12-30 | 2013-07-03 | 无锡华润矽科微电子有限公司 | Circuit structure for controlling infrared remote control emission |
| CN103680112A (en) * | 2012-09-10 | 2014-03-26 | 上海九鹰电子科技有限公司 | Signal code conversion method and device |
| CN103061634A (en) * | 2012-12-28 | 2013-04-24 | 北京易斯路电子有限公司 | Wireless signal control device for power-operated sliding door of passenger vehicle |
| CN103061634B (en) * | 2012-12-28 | 2016-05-04 | 北京易斯路电子有限公司 | For the wireless signal control device of passenger car power-operated sliding door |
| CN111343491A (en) * | 2020-04-26 | 2020-06-26 | 中山市悦辰电子实业有限公司 | Remote control intermediate transfer control circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20110144778A1 (en) | Smart Audio Plug-in for Enabling Smart Portable Device to be Universal Remote Control | |
| CN203734828U (en) | Intelligent home theater sound equipment system | |
| US20040108940A1 (en) | System and method for controlling home entertainment units with radio frequency and infrared signals | |
| CN201142126Y (en) | Infrared remote control signal wireless repeater system | |
| CN102576487A (en) | Method for controlling external device and remote controller thereof | |
| CN203734817U (en) | Intelligent multimedia sound box | |
| US20020102949A1 (en) | Remote control having an audio port | |
| US7584494B2 (en) | Cable to wireless conversion system for in-home video distribution | |
| CN102611927A (en) | Set top box with universal remote control function | |
| US20100267332A1 (en) | Wireless Audio/Video System with Remote Playback and Control | |
| CN103391465B (en) | A kind of method controlling terminal unit and the network equipment | |
| CN100511314C (en) | Wireless transmitting/receiving device and method based on synthesis medium apparatus scene controlling | |
| CN201274533Y (en) | Digital television receiving box and digital television control apparatus | |
| US20100217412A1 (en) | Wireless communication device and system | |
| CN201286097Y (en) | Multifunctional multimedia wireless playing system | |
| CN205029807U (en) | TV set infrared remote signal forwards device | |
| CN201629807U (en) | Digital television receiving box and digital television control device | |
| CN204069224U (en) | A kind of indoor multi-media based on DTMB shares cladding system | |
| CN201204653Y (en) | Parent and son television set | |
| CN101895702A (en) | Digital TV set box remote control method, device, system and remote controller | |
| KR20110032024A (en) | Method for processing remote control signal, broadcast transmitting apparatus, broadcast receiving apparatus and display apparatus thereof | |
| CN202871081U (en) | Infrared remote control transmitting device based on portable mobile terminal | |
| CN201219287Y (en) | Sharing set-top box | |
| KR200434001Y1 (en) | Apparatus for relay of remocon signal | |
| KR200323208Y1 (en) | RF signal transmitting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 310013 B building, Huahong building, 248 Tian Tian Shan Road, Hangzhou, Zhejiang, Xihu District Co-patentee after: Hangzhou Hongyan Intelligent Technology Co., Ltd. Patentee after: Hongyan Electric Appliance Co., Ltd., Hangzhou Address before: 310013 B building, Huahong building, 248 Tian Tian Shan Road, Hangzhou, Zhejiang, Xihu District Co-patentee before: Hangzhou Hongyan computer system engineering Co. Patentee before: Hongyan Electric Appliance Co., Ltd., Hangzhou |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081029 |