CN101859481B - Intelligent wireless remote control based on infrared video - Google Patents
Intelligent wireless remote control based on infrared video Download PDFInfo
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- CN101859481B CN101859481B CN201010175123A CN201010175123A CN101859481B CN 101859481 B CN101859481 B CN 101859481B CN 201010175123 A CN201010175123 A CN 201010175123A CN 201010175123 A CN201010175123 A CN 201010175123A CN 101859481 B CN101859481 B CN 101859481B
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- catcher
- user behavior
- master controller
- infrared
- behavior
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Abstract
The invention belongs to the technical field of the microcontroller circuit design, and particularly discloses an intelligent wireless remote control based on an infrared video, which mainly comprises a main controller, a user behavior trapper and a plurality of infrared light sources (e.g. infrared Led pens). The user behavior trapper is connected with the main controller through Bluetooth wireless transmission, and the front end of the trapper is provided with an infrared CMOS camera lens. Although the use behaves in front of the user behavior trapper, the main controller computes interactive messages between the main controller and the user behavior trapper and transmits a control signal to a corresponding control device in the actual situation. Compared with the traditional remote control, the invention has the advantages of intelligent and humane control, easy implementation, low cost, good capability of identifying complex user behaviors for a variety of control and the like.
Description
Technical field
The invention belongs to the single chip circuit design field, be specifically related to a kind of design of the intelligent wireless remote control based on infrared video.
Background technology
The develop rapidly of electronic technology, the continuous appearance of novel large-scale remote control integrated circuit makes telecontrol engineering that the development of making rapid progress arranged.The central control unit of telechiric device progressively develops into present one chip microcomputer from early stage discrete component, integrated circuit, and intelligent degree improves greatly.In recent years, telecontrol engineering uses more and more widely in commercial production, household electrical appliance, security and daily life.
Electronic common remote control circuit generally has following several types: acoustic control, light-operated, wireless remote control, infrared remote control or the like.
1. acoustic control mode
Acoustic control is gone the controlling object action with sound exactly, generally adopts Electret condenser microphone or piezoelectric ceramic piece to pick up sound as sensing element, amplifies through circuit to drive back level electronic switch action.For preventing that external audio from disturbing, can adopt ultrasound wave control, deliberately select for use audio frequency to control but also have, go to control crying of acoustic control rag baby such as the sound frequency that sends with child and laugh at action etc.
2. light-operated mode
Simple single channel light-operated circuit is to utilize photosensitive tube changed by light internal resistance later on the state of electronic switch is changed; Sensor has photodiode, phototriode, photoresistance, light-sensitive cell or the like, and (the early stage glass shell envelope system transistor of producing is exactly a good photosensitive tube behind the black shading paint outside wiping off.)。This light source both can be a visible light, also can be invisible light sources such as infrared ray, and different light activated elements have different spectrum.More complicated light-operated circuit then can be accomplished multi-channel switch or analog quantity and change control, uses extremely extensively, we can say that the every household has.Because the telepilot of household electrical appliance such as the televisor of band remote control, power amplifier sound equipment, VCD video recorder all is to utilize infrared light sources to carry out the allusion quotation example of remote control.There is the passageway lighting lamp of many residential buildings all to adopt the light-operated circuit that combines with acoustic control now; The footsteps that the people that utilization is passed by sends, Conversation Voice or other sound remove to trigger the acoustic control electronic switch of illuminating lamp, make illuminating lamp close automatically by day with light-operated circuit and stop response.
3. wireless remote control mode
Compared with acoustic control or light-operated circuit complicacy how radio remote-controlled circuit; But command range is also farther is its principal feature; Light-operated, sound control circuit generally only has several meters to tens meters operating distance; And wireless remote control to look different application scenario closely can be several meters of zero points, far then can surmount the earth and arrive space! It is made up of radiating circuit and receiving circuit 2 parts, when receiver receives that radiowave that transmitter sends is with the rear drive electronic switch circuit for working.So its transmission frequency and receive frequency must be identical.High frequency waveforms according to its emission has constant amplitude, amplitude modulation, frequency modulation, digit pulse transmitter, according to the number of switches of its control single channel remote control and multi-channel remote etc. is arranged.The emphasis of radio remote-controlled circuit is exactly anti-interference and stability problem, so may be provided with many adjunct circuits for safety in the circuit.
4. infrared remote control mode
Infrared remote control is exactly the remote control mode of infrared ray as carrier.Because ultrared wavelength much smaller than the wavelength of radiowave, therefore when adopting the infrared remote control mode, can not disturb the operate as normal of other electrical equipment, can not influence the wireless device that closes on yet.Simultaneously, during owing to employing infra-red remote control device, WV is low, and power consumption is little, and peripheral circuit is simple, so its application in the routine work life more and more widely.
Infrared remote control system commonly used transmits and receives two parts general the branch.The main element of radiating portion is an infrarede emitting diode.It is actually a special light emitting diode; Because its internal material is different from common light emitting diode, thereby when applying certain voltage at its two ends, what it just sent is infrared ray rather than visible light.At present the IR wavelength that sends of a large amount of infrarede emitting diodes that uses as 940mm about, profile is identical with common φ 5 light emitting diodes, just the color difference.Infrarede emitting diode generally has black, dark blue, transparent three kinds of colors.The way of judging the infrarede emitting diode quality is the same with the judgement general-purpose diode; With multimeter power block amount once the forward and reverse resistance of infrarede emitting diode get final product.The luminescence efficiency of infrarede emitting diode will use special instrument accurately to measure, and can only come judgement roughly with the dragsaw method under the amateurish condition.The infrared receiving tube of receiving unit is a kind of photodiode.In practical application, will add reverse biased to infrared receiving diode, its could operate as normal, that is infrared receiving diode is reverse utilization when in circuit, using, and could obtain higher sensitivity like this.Infrarede emitting diode generally has circular and square two kinds.
The characteristics of infrared remote control be do not influence surrounding enviroment, do not disturb other electric equipments.Because it can't penetrate wall, so the household electrical appliance of chummery can not use general telepilot and can not produce the phase mutual interference; Circuit debugging is simple, if press given circuit connect errorless, general without any debugging can devoting oneself to work; Encoding and decoding are easy, can carry out the multichannel remote control.Because each manufacturer has produced a large amount of infrared remote control special ICs, trying to locate by following up a clue when needing gets final product.Therefore, infrared remote control has obtained using widely in adding electrical appliance, indoor closely (less than 10 meters) remote control now.
Summary of the invention
The objective of the invention is to propose a kind of can identification, realize the intelligent wireless remote control of various control comparatively complicated user behavior.
The intelligent wireless remote control that the present invention proposes, its basic structure is as shown in Figure 1.It mainly is made up of master controller, user behavior catcher and infrared light supply (such as infrared ray Led pen).
The line of user behavior catcher and master controller adopts Bluetooth wireless transmission, be can accurate sensing, aiming as computer mouse the space catcher.The catcher front end has infrared C MOS pick-up lens; Though the user is facing to the action of user behavior catcher; But be actually the computing of the interactive message process master controller between master controller and the user behavior catcher, again control corresponding equipment sent corresponding control signal.
Compare with traditional telepilot, the invention has the advantages that:
(1) control has intellectuality, hommization, and is not harsh to environmental requirement.Even at light bad night, the user only need do several simple actions, can realize intellectuality control to relevant device, convenient and swift.
(2) the present invention realizes that cost is lower easily.IR wavelength is invisible light greater than 700nm, for the camera that makes us can only be followed the trail of infrared ray and practice thrift cost, only needs on the CMOS camera lens, to add a slice infrared ray filter, gets final product the elimination visible light, only sees the infrared light of certain wavelength.The method realizes that cost is lower, and can reach effect preferably fully easily.
(3) can discern comparatively complicated user behavior, realize various control.Though ultrared angle and transmitting range are limited, can keep watch on through a plurality of user behavior catchers, thereby make the scope of tracking more wide, better effects if.Even do not face the equipment that needs control,, can realize light control to relevant device as long as can be captured by the user behavior catcher.And a user behavior catcher can be followed the trail of a plurality of infrared light spots simultaneously, so also can reach the effect of multiple spot control.
Description of drawings
Fig. 1 basic block diagram of the present invention.
Fig. 2 general flow chart of the present invention.
Embodiment
Below in conjunction with Fig. 1 the present invention is done further detailed explanation.
The user behavior catcher can be placed on behind the position that can completely clearly supervise user behavior fixed; As long as the Led pen of an infrared is arranged, let the user behavior catcher follow the trail of its luminous point, the virtual absolute resolution of user behavior catcher meeting reaches the screen of 1024*768; Thereby confirm the absolute position of luminous point; Through Bluetooth wireless transmission, carry out information interchange then, confirm the running orbit of luminous point with master controller; Final decision user's behavior pattern is sent corresponding control signal by master controller to control corresponding equipment.
In order to reach with wide following range, the present invention can adopt a plurality of user behavior catchers to monitor;
And in order to reach the effect of multiple spot control, the present invention can adopt a plurality of infrared light supplies (like the Led pen) to carry out behavior to represent.
What the specification of Led can influence the user behavior grabber pursues the tracking effect, user behavior catcher brightness by all means in fact, wavelength, but the angle of Led, range, electric current, voltage all can influence brightness.Generalized case, we select to have used TSAL6400, and expression effect is best.
In conjunction with Fig. 2, the concrete execution in step of the present invention is following:
(1) Bluetooth Receiver of startup master controller is prepared to carry out information interaction with the user behavior catcher.
(2) start the user behavior catcher, the bluetooth signal of search primary controller gets final product with the master controller successful connection.
(3) user uses the Led pen can completely to know within the scope that monitors at the behavior catcher, controls the expression of behavior.
(4) carry out in the process that the control behavior representes (supposing that infrared light supply is infrared Led pen) at the hand-held infrared light supply of user; The user behavior catcher is every at a distance from the infrared light spot position of extremely short time to infrared Led pen; Screen in that a virtual absolute resolution reaches 1024*768 is described, and gives master controller with it through Bluetooth wireless transmission.
(5) after end is expressed in user's control behavior, the user behavior catcher is given master controller with information notification.Master controller is through the behavior track of Led infrared light spot of information recorded accurate description.
(6) master controller is through recognizer, the behavior track of correspondence accurately is identified as certain significant device control message, and corresponding apparatus is sent corresponding control signal.
Claims (2)
1. intelligent wireless remote control based on infrared video, it is characterized in that: it mainly is made up of master controller, user behavior catcher and infrared light supply; Wherein, The line of said user behavior catcher and master controller adopts Bluetooth wireless transmission; The catcher front end has infrared C MOS pick-up lens; The user is facing to the action of user behavior catcher, and the interactive message between master controller and the user behavior catcher is sent corresponding control signal to control corresponding equipment again through the computing of master controller; Wherein:
It is motionless that the user behavior catcher is placed on the stationkeeping that can completely clearly supervise user behavior; Infrared light supply adopts the Led pen of infrared, lets the user behavior catcher follow the trail of its luminous point, and the virtual absolute resolution of user behavior catcher reaches the screen of 1024*768; Thereby confirm the absolute position of luminous point; Through Bluetooth wireless transmission, carry out information interchange then, confirm the running orbit of luminous point with master controller; Final decision user's behavior pattern is sent corresponding control signal by master controller to control corresponding equipment;
Said user behavior catcher is provided with a plurality of, to expand following range:
Said Led pen adopts a plurality of, to realize multiple spot control.
2. a kind of intelligent wireless remote control according to claim 1 based on infrared video, it is characterized in that: concrete execution in step is following:
(1) Bluetooth Receiver of startup master controller is prepared to carry out information interaction with the user behavior catcher;
(2) start the user behavior catcher, the bluetooth signal of search primary controller is connected with master controller;
(3) user uses the Led pen can completely to know within the scope that monitors at the behavior catcher, controls the expression of behavior;
(4) in the hand-held infrared light supply of user carries out process that the control behavior representes; The user behavior catcher is every at a distance from the infrared light spot position of extremely short time to infrared Led pen; Screen in that a virtual absolute resolution reaches 1024*768 is described, and gives master controller with it through Bluetooth wireless transmission;
(5) after end is expressed in user's control behavior, the user behavior catcher is given master controller with information notification, and master controller is through the running orbit of Led infrared light spot of information recorded accurate description;
(6) master controller is through recognizer, the running orbit of correspondence accurately is identified as certain significant device control message, and corresponding apparatus is sent corresponding control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010175123A CN101859481B (en) | 2010-05-13 | 2010-05-13 | Intelligent wireless remote control based on infrared video |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010175123A CN101859481B (en) | 2010-05-13 | 2010-05-13 | Intelligent wireless remote control based on infrared video |
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| CN101859481A CN101859481A (en) | 2010-10-13 |
| CN101859481B true CN101859481B (en) | 2012-10-17 |
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| CN201010175123A Expired - Fee Related CN101859481B (en) | 2010-05-13 | 2010-05-13 | Intelligent wireless remote control based on infrared video |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104865862B (en) * | 2014-09-30 | 2017-11-14 | 广东美的环境电器制造有限公司 | Limbs attitude control system and method based on Wi Fi |
| CN114034110B (en) * | 2021-11-29 | 2022-11-22 | 四川虹美智能科技有限公司 | Parameter setting method of air conditioning system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515079A (en) * | 1989-11-07 | 1996-05-07 | Proxima Corporation | Computer input system and method of using same |
| CN101201968A (en) * | 2006-12-14 | 2008-06-18 | 永新同方信息工程有限公司 | Mouse type remote control device |
| CN101227553A (en) * | 2008-01-25 | 2008-07-23 | 三星电子（中国）研发中心 | Method of direct screen writing for television system distant end |
| CN201122348Y (en) * | 2007-10-19 | 2008-09-24 | 青岛海信电器股份有限公司 | Remote controller, video apparatus remote control system |
| CN101290711A (en) * | 2007-04-18 | 2008-10-22 | 北京威亚视讯科技有限公司 | Remote controlling device, pointing interactive system and cursor control method |
-
2010
- 2010-05-13 CN CN201010175123A patent/CN101859481B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5515079A (en) * | 1989-11-07 | 1996-05-07 | Proxima Corporation | Computer input system and method of using same |
| CN101201968A (en) * | 2006-12-14 | 2008-06-18 | 永新同方信息工程有限公司 | Mouse type remote control device |
| CN101290711A (en) * | 2007-04-18 | 2008-10-22 | 北京威亚视讯科技有限公司 | Remote controlling device, pointing interactive system and cursor control method |
| CN201122348Y (en) * | 2007-10-19 | 2008-09-24 | 青岛海信电器股份有限公司 | Remote controller, video apparatus remote control system |
| CN101227553A (en) * | 2008-01-25 | 2008-07-23 | 三星电子（中国）研发中心 | Method of direct screen writing for television system distant end |
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