CN201878264U - Intelligent turning-off system for television without being watched by people for long time - Google Patents

Intelligent turning-off system for television without being watched by people for long time Download PDF

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Publication number
CN201878264U
CN201878264U CN201020166109XU CN201020166109U CN201878264U CN 201878264 U CN201878264 U CN 201878264U CN 201020166109X U CN201020166109X U CN 201020166109XU CN 201020166109 U CN201020166109 U CN 201020166109U CN 201878264 U CN201878264 U CN 201878264U
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CN
China
Prior art keywords
television
mcu
pir
signal
information
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 - Fee Related
Application number
CN201020166109XU
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Chinese (zh)
Inventor
刘维慧
张会云
孟丽华
李磊
张玉萍
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Shandong University of Science and Technology
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Shandong University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201020166109XU priority Critical patent/CN201878264U/en
Application granted granted Critical
Publication of CN201878264U publication Critical patent/CN201878264U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides an intelligent turning-off system for a television with being watched by people for a long time, comprising an infrared PIR (Passive Infrared) probe, a signal filtering and amplification circuit, a secondary information prompting module and a turning-off circuit. The PIR probe detects infrared signals emitted by the human body in a detection region in real time, transmits the signals to a signal filtering amplifier to filtering and amplification and then provides the signals to interruption pins of an MCU (Micro Controller Unit); the MCU starts or resets an internal timer according to the received high or low level signals; when the timing time exceeds a preset time, the prompting information is displayed on the screen of the television to prompt users that the television is turned off, and secondary timing is started; and if no signals are detected in later preset time, the television is turned off. In the daily life, the television is usually turned on for a long time and is not watched by people, so that electrical energy is wasted. The utility model provides a solution of realizing an intelligent turning-off function with twice confirmations; and the function is high in detection sensitivity and broad in detection range, so that the fault turning off of the television is prevented.

Description

The TV set intelligent shutdown system that nobody watches during a kind of length
Technical field
The TV set intelligent shutdown system that nobody watched when this patent related to a kind of length increases intelligent detection device on television set, automatic closing television machine belonged to TV technology when nobody watched for a long time.
Background technology
In the life, television set is in the state that nobody watches for a long time under many situations, will go to do other things such as expecting suddenly when watching TV, perhaps is in a hurry to leave home hastily and forget shutdown.So promptly cause waste of energy to influence The Service Life of Television again.
At present, though the TV of some manufacturer production can provide certain hour section or function of fixed place and time, this function is in case start the unexpected shutdown of meeting appearance phenomenon in the overlength entertainment that some people like seeing; If do not start timing function, long-time unmanned viewed status can appear again in busy breaking away.So all there is weak point in these functions: (1) underaction (2) user need enter corresponding menu and be provided with, and uses very loaded down with trivial details.
Therefore the utility model proposes a kind of solution, the TV set intelligent shutdown system that nobody watches when long can realize flexible Bye-byes.
Summary of the invention
The objective of the invention is to make full use of original design apparatus on the television set, receive in original remote control the infrared signal that PIR detector real-time detection human body sends, automatic closing television machine, effectively energy savings when nobody watches for a long time are installed on the head.This function has the detectivity height, and investigative range is big, and has secondary and confirm function, avoids the user to watch in the corner in the time of can not being detected and situation that error cut-off machine takes place occurs.
Concrete technical scheme of the present utility model is:
The TV set intelligent shutdown system that nobody watches during a kind of length that the present invention relates to comprises: power supply, PIR detector, signal filtering amplifying circuit, MCU, secondary information prompt terminal, shutdown circuit; The PIR detector links to each other with the signal filtering amplifying circuit, MCU in signal filtering amplifying circuit and the secondary information reminding module interrupts pin and joins, the ultra-weak electronic signal of PIR output is behind filter amplification circuit amplification and filtering noise, be transported to the MCU in the television set, MCU links to each other with shutdown circuit, and the secondary information reminding module comprises MCU that handles judgment signal and the screen terminal that shows the secondary information.
The English full name of described PIR is passive infrared detection, and this detecting head can receive head and put together with the remote control of this machine of television set.
After the user started automatic shutdown function, the PIR in the television set detected the infrared signal that whether exists human body to send in the residing spatial dimension of television set.When not detecting signal within a certain period of time, television set can be enabled the Bye-byes function, an information dialog box at first appears on screen, the prompting user will shut down, if in Yu She a period of time,, still do not detect human body signal afterwards such as one minute, then information dialog box for the second time appears in television set, carries out shutdown automatically immediately; If detect human body signal between twice information, then information can disappear immediately, and television set recovers normal operating conditions.
Description of drawings
Fig. 1 is the functional block diagram of the utility model intelligence system
Fig. 2 is a PIR investigative range schematic diagram
Fig. 3 is a workflow diagram of the present utility model
The drawing explanation
101 power supplys; 102PIR; 103 signal filterings are amplified;
104MCU; 105 secondary information prompt terminals; 106 shutdown circuits;
301 users enable " Bye-byes " function
The real-time monitoring human signal of 302PIR, and offer the interruptive port of MCU.If no detectable signal, then the MCU internal timer picks up counting.
303 timing>t1?
304 show the shutdown information
305 timing>t2?
306 shutdown
Fig. 1 is the functional block diagram of the utility model television system. Detecting unit wherein comprises PIR probe and signal filtering amplifying circuit. PIR (Passive Infrared Detector) is a kind of passive type human body heat-releasing electric explorer, and the infrared signal that is used for human body is sent detects, and output electrical signals.
Fig. 2 is PIR investigative range schematic diagram. PIR is highly sensitive, and detection range can reach more than 10 meters, and its depression angle can reach 86 degree, the horizontal view angle can reach 120 degree, has bigger search coverage, can cover the parlor of average family, guarantee the accurate collection of human body signal in the zone, avoid the little and error cut-off machine that causes of search coverage. In addition, PIR is the most responsive to human body infrared light that discharge, specific wavelength, can effectively survey people's activity. The signal filtering amplifying circuit is used for the faint signal of telecommunication of PIR output is carried out also amplifying behind the filtering and eliminating noise, and the MCU (microprocessor) that delivers to then television set interrupts pin.
MCU is according to the high-low level signal enabling or the internal timer that resets that receive. When timing time surpasses the time span of setting, meeting display reminding information on television screen, prompting user will shut down and begin for the second time timing, if still do not detect people's active signal in ensuing predetermined time, then television set will shut down.
Fig. 3 is workflow diagram of the present utility model. Specifically may further comprise the steps:
1) user enables the Bye-byes function.
2) infrared signal that human body sends in the real-time surveyed area of PIR and the interruptive port that offers MCU. When not having detection signal to signal, the MCU internal timer picks up counting.
3) if do not detect human body signal when timing reaches the time span t1 that presets, display reminding information on screen is carried out good will to the user and is reminded, and avoids error cut-off machine.
If detect human body information in default time span t1, then timer zero clearing is in and treats time status.
4) on the screen display reminding information time, internal timer zero clearing and reclocking if still do not detect human body information in ensuing Preset Time length t2, then start off signal, the TV shutdown.If people's activity is arranged in t2, then timer zero clearing, state when being in standby.
Embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments, but be not restriction the present invention.
In functional block diagram shown in Figure 1, power supply (101) can provide the direct voltage about 9V; The PIR probe is selected the KDS209 model for use, and the visual field is big; The bandwidth of operation that filter amplification circuit (103) design is suitable, the wave band that PIR is surveyed is that 5-12 micron infrared signal is passed through, because human body all has constant body temperature, generally about 37 degree, can send the infrared ray about specific wavelength 10 μ m.Make full use of integrated (104) pin of original MCU in the television set, display reminding information (105) on screen, thus utilize shutdown circuit (106) to reach the Bye-byes purpose.
Fig. 3 is the principle flow chart of native system, and step comprises:
301 users open the Bye-byes function;
302PIR begins detection signal, and MCU picks up counting;
303 timing times do not detect signal, execution in step 304 during greater than preset time t 1; Timing time detects signal, execution in step 302 during less than t1;
Dialog box appears in 304 screens, and machine information is closed in prompting;
305 carry out the secondary clocking informations confirms, timing time does not detect signal, execution in step 306 during greater than preset time t 2; Timing time detects signal, execution in step 302 during less than t2;
306 shutdown automatically.
Present embodiment makes full use of the original model appearance design of television set, and program is simple, is a design of hommization more.

Claims (2)

1. the long-time TV set intelligent that nobody watches shutdown system, it is characterized in that: it is made up of power supply (101), PIR detector (102), signal filtering amplifying circuit (103), MCU (104), secondary information prompt terminal (105), shutdown circuit (106); The PIR detector links to each other with the signal filtering amplifying circuit, MCU in signal filtering amplifying circuit and the secondary information reminding module is that microprocessor interruption pin joins, the ultra-weak electronic signal of PIR output is behind filter amplification circuit amplification and filtering noise, be transported to the MCU in the television set, MCU links to each other with shutdown circuit, and the secondary information reminding module comprises MCU that handles judgment signal and the screen terminal that shows the secondary information.
2. the TV set intelligent that nobody watches when long shutdown according to claim 1 system, it is characterized in that: the English full name of described PIR (102) is passive infrared detection, and this detector can receive head and put together with the remote control of this machine of television set.
CN201020166109XU 2010-04-22 2010-04-22 Intelligent turning-off system for television without being watched by people for long time Expired - Fee Related CN201878264U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201020166109XU CN201878264U (en) 2010-04-22 2010-04-22 Intelligent turning-off system for television without being watched by people for long time

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201020166109XU CN201878264U (en) 2010-04-22 2010-04-22 Intelligent turning-off system for television without being watched by people for long time

Publications (1)

Publication Number Publication Date
CN201878264U true CN201878264U (en) 2011-06-22

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103517138A (en) * 2012-06-18 2014-01-15 联想(北京)有限公司 State switching method and electronic apparatus
CN103747329A (en) * 2013-11-29 2014-04-23 乐视致新电子科技(天津)有限公司 Television no-person state monitoring method and device
WO2017124275A1 (en) * 2016-01-18 2017-07-27 陈学良 Data retrieve method of thermal detection technology, and electric fan
CN107181980A (en) * 2016-03-11 2017-09-19 深圳市中兴微电子技术有限公司 A kind of method and apparatus for controlling holding state
WO2018227418A1 (en) * 2017-06-14 2018-12-20 深圳市智晟达科技有限公司 Method for monitoring running of user, and digital television

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103517138A (en) * 2012-06-18 2014-01-15 联想(北京)有限公司 State switching method and electronic apparatus
CN103747329A (en) * 2013-11-29 2014-04-23 乐视致新电子科技(天津)有限公司 Television no-person state monitoring method and device
WO2017124275A1 (en) * 2016-01-18 2017-07-27 陈学良 Data retrieve method of thermal detection technology, and electric fan
CN107181980A (en) * 2016-03-11 2017-09-19 深圳市中兴微电子技术有限公司 A kind of method and apparatus for controlling holding state
WO2018227418A1 (en) * 2017-06-14 2018-12-20 深圳市智晟达科技有限公司 Method for monitoring running of user, and digital television

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110622

Termination date: 20140422