CN101287086A - Method and system realizing automatic turn-on and turn-off of television - Google Patents
Method and system realizing automatic turn-on and turn-off of television Download PDFInfo
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- CN101287086A CN101287086A CNA2007100738523A CN200710073852A CN101287086A CN 101287086 A CN101287086 A CN 101287086A CN A2007100738523 A CNA2007100738523 A CN A2007100738523A CN 200710073852 A CN200710073852 A CN 200710073852A CN 101287086 A CN101287086 A CN 101287086A
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Abstract
The invention provides a method for automatically starting or turning-off a TV, which comprises the following steps: a. a detection unit detects signals sent by TV audiences and sends the detecting result to the TV; b. the automatic starting or turning-off of the TV is controlled by the TV according to the detecting result transmitted by the detection unit. The invention overcomes the shortages of the prior art; when the TV is in start state, the detection unit detects the signals transmitted from audience bodies and judges whether the audience watches the TV or not, and when the answer is no, the TV enters standby state automatically; when the TV is in the standby state and the signals transmitted form the audience body are detected by the detection unit, the TV is automatically started under control, thereby realizing the automatic starting and turning-off of the TV by detecting the signals transmitted from audience bodies. On the one hand, the method of the invention causes a TV to be more intelligent, and on the other hand, electric energy consumption can be reduced by turning-off the TV timely.
Description
Technical field
The invention belongs to TV technology., relate in particular to the technology that the television set automatic switching is controlled.
Background technology
Energy-conservation and environmental protection be people's question of common concern, in the design of product, energy-conservation and environmental protection also becomes unavoidable problem, in TV tech, what people relatively paid close attention to is the automatic stand-by function, in the existing technical scheme, often control the automatic shutdown of television set by the signal input condition of automatic judgement television set, under the situation that does not have the signal input, system shuts down automatically, to reach energy-conservation purpose.
Specifically, whether in the existing technical scheme, having by real-time detection AV port has signal input to come the technical scheme of control switch machine.In today of Digital Television epoch arrival, " no signal " more and more becomes rare, in the face of 24 hours round-the-clock digital signal programs, the application scenario of this scheme is with fewer and feweri, and better energy saver mode should be when nobody watches TV programme, and television set self can judge, and shutdown could really reach purpose of energy saving so automatically.
But in the existing technical scheme, do not have television set to judge whether that automatically spectators watch TV as yet, thereby the technical scheme whether decision shuts down automatically.
In addition, before the televiewer appears at television set, and the lasting regular hour, then existence and the Auto Power On that television set can the perception spectators also is prior art an open question still.
Summary of the invention
The object of the present invention is to provide a kind of method and system that realizes the television set automatic switching, being intended to solve the television set that exists in the prior art can not be according to the existence whether televiewer is arranged and the automatic switching problem.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of method of television set automatic switching, described method comprises following step:
A, detecting unit detect the signal that the televiewer sends, and testing result is transferred to television set;
B, described television set are controlled described television set automatic switching according to the testing result of described detecting unit transmission.
Wherein step a specifically comprises:
The infrared signal that a1, the described televiewer of sensor send, and be transferred to described television set microprocessor MCU after described signal handled;
Wherein step b specifically comprises:
B1, described TV MCU indicate the switching on and shutting down controlled module of described television set to carry out the automatic switching function according to the testing result of described transducer inspection;
B2, described TV power on and off controlled module are controlled the television set automatic switching according to the indication of described MCU.
Wherein step a1 specifically comprises:
A11, be in open state when described television set, when Thermoelectric Infrared Sensor PIR detects the infrared signal of sending less than described televiewer, described PIR is to described TV MCU transmission low level signal, when described PIR detects the infrared signal that described televiewer sends, to described TV MCU transmission high level signal;
Wherein step b1 specifically comprises:
B11, described TV MCU pick up counting according to the low level signal control timer of described PIR transmission, and according to the high level signal of described PIR transmission with described timer zero clearing, when described timer timing time reached Preset Time, described MCU indicated described shutdown controlled module to carry out the automatic stand-by function;
Wherein step b2 specifically comprises:
B21, described television set shutdown controlled module are controlled the television set automatic stand-by according to the indication of described MCU.
Wherein step a1 specifically comprises:
A11, be in holding state when described television set, when Thermoelectric Infrared Sensor PIR detects the infrared signal of sending less than described televiewer, described PIR is to described TV MCU transmission low level signal, when described PIR detects the infrared signal that described televiewer sends, to described TV MCU transmission high level signal;
Wherein step b1 specifically comprises:
B11, described TV MCU pick up counting according to the high level signal control timer of described PIR transmission, and according to the low level signal of described PIR transmission with described timer zero clearing, when described timer timing time reached Preset Time, described MCU indicated described start controlled module to carry out the Auto Power On function;
Wherein step b2 specifically comprises:
B21, described television boot-strap controlled module are controlled the television set Auto Power On according to the indication of described MCU.
Described Preset Time is set according to actual needs by TV user.
The present invention also provides a kind of system that realizes the television set automatic switching, and described system also comprises detecting unit, MCU and switching on and shutting down controlled module, wherein:
Described detecting unit is used for detecting signal that the televiewer sends and testing result is transferred to described MCU;
Described MCU links to each other with described detecting unit, is used for indicating described switching on and shutting down controlled module to carry out the function of automatic switching according to the testing result of described detecting unit transmission;
Described switching on and shutting down controlled module links to each other with described MCU, is used for controlling described TV power on and off according to the indication of described MCU.
Described detecting unit is Thermoelectric Infrared Sensor PIR.
The signal that described televiewer sends is an infrared signal.
Described system also comprises timer, and described timer links to each other with described MCU, is used for picking up counting or zero clearing according to the instruction of described MCU.
Described MCU is used for whether reaching the default time according to described timer timing and indicates described switching on and shutting down controlled module to carry out the function of automatic switching.
The present invention overcomes the deficiencies in the prior art, when television set is in open state, by detecting unit the signal that televiewer's human body sends is detected, and judged whether that according to testing result spectators are watching TV, when detecting unit detects nobody when seeing TV, television set will enter holding state automatically; When television set is in holding state, and when detecting unit detects the signal that televiewer's human body sends, then control the television set Auto Power On, be achieved the automatic switching of TV by the detection of signal that televiewer's human body is sent, make television set intelligent more on the one hand, reduce power consumption by shutdown in time on the other hand.
Description of drawings
Fig. 1 is the described automatic stand-by television system of an embodiment of the invention functional block diagram;
Fig. 2 is the detection schematic diagram of PIR probe in the specific embodiment of the invention;
Fig. 3 is the described automatic stand-by flow chart of the embodiment of the invention;
Fig. 4 is the described Auto Power On television system of an embodiment of the invention functional block diagram;
Fig. 5 is the described Auto Power On flow chart of the embodiment of the invention.
Embodiment
The technical scheme that provides of the present invention is: when television set is in open state, by detecting unit the letter that televiewer's human body sends is detected, and judged whether that according to testing result spectators are watching TV, when detecting unit detects nobody when seeing TV, television set will enter holding state automatically; When television set is in holding state, and when detecting unit detects the signal that televiewer's human body sends, then control the television set Auto Power On, be achieved the automatic switching of TV by the detection of signal that televiewer's human body is sent, make television set intelligent more on the one hand, reduce power consumption by shutdown in time on the other hand.
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Fig. 1 is the functional block diagram of embodiment of the invention television system.Detecting unit in the present embodiment adopts PIR (Passive Infrared Detector, passive type Infrared Detectors or Thermoelectric Infrared Sensor) probe, be used for the infrared signal that the televiewer sends is detected, and the signal filtering amplifying circuit that detected signal is handled, the described television system of present embodiment also comprises microprocessor (MCU) and standby controlled circuit.
Wherein, the PIR probe also comprises the filter circuit to its power supply.According to the difference that adopts PIR probe (pyroelectric sensing probe) model, the supply power voltage of its requirement is also different, common supply power voltage is four kinds of 3.3V, 5V, 9V, 12V, through Filtering Processing, avoids the interference of supply power voltage noise to signal before to the PIR power supply.When the people enters the investigative range of PIR, can be referring to (spending interior 10 meters distance 120) shown in Figure 2 such as the PIR probe monitoring angle that adopts the RE200B model, PIR will detect the faint infrared signal of human body, give the signal filtering amplifying circuit, after filtering is amplified, input to the kernel control chip MCU of television set.MCU detects the signal that PIR transmits in real time, timer zero clearing or timing operation to its inside, when PIR detects signal, there are spectators at the expression scene at TV reception, MCU is with the timer zero clearing, when PIR detects less than signal, show that this moment, the scene did not have spectators, MCU need judge that spectators leave temporarily or leave for a long time, therefore, MCU picks up counting less than signal from detecting, if in the process of timing, spectators return, then PIR detects the infrared signal that spectators send, MCU is with the timer zero clearing, if PIR never detects signal in the preheating setting time section, shows that the on-the-spot long period does not have spectators, the timing of timer accumulative total, when then the clocking value that adds up in the timer reached default numerical value, MCU began to send standby command with control standby controlled circuit, makes system enter holding state.
Because PIR probe monitoring range is the arcuation scope that certain angle is arranged, and considers the aesthetic property on television set plane, the PIR probe can be installed in the outer surface of television set.During actual the use, the position of PIR probe can be set as the case may be, even the PIR probe can be arranged with the television set branch.
Fig. 3 is the flow chart of the embodiment of the invention, specifically comprises the steps:
(1) after the operation of the system program of television set, starts " automatic stand-by " function.
(2) start this function (ON) after, carry out system's setting, MCU is to the timer zero clearing, and the preset value of heavily loaded counter, wherein, default numerical representation method picks up counting the time when entering standby when detecting when not having spectators in the counter, interior during this period of time TV still is in start rating state, and this value can be set according to actual conditions by the user.
(3) PIR detects the infrared signal that the televiewer sends in real time, and sends high-low level according to testing result to the INT0 of MCU (interrupting 0) port, and MCU detects the high-low level of INT0 port in real time, judges the signal that is transmitted by the PIR probe.
(4) when MCU detected INT0 and is high level (INT0=1), showing had spectators televiewing, and changeed step (2); When MCU detects INT0 and is low level (INT0=0), illustrate that not detected spectators is televiewing, and at this moment starts timer and picks up counting.
(5) if when the timer clocking value reaches preset value in the counter, still nobody appears in the PIR detection range, then MCU begins to send standby command, make system enter holding state, if PIR detects infrared signal before the timer clocking value reaches preset value in the counter, then change step (2).
Equally, based on above-mentioned systemic-function schematic diagram and corresponding software flow, also can realize people's Auto Power On function.When the television system standby, MCU detects the high-low level of INT0 port in real time, judges the signal that is transmitted by PIR, when MCU detects INT0 and is high level (INT0=1), illustrate that the someone enters the detection range of PIR, by MCU execution start-up command.
The theory diagram of the television system of Auto Power On as shown in Figure 4, mainly comprise: PIR (PassiveInfrared Detector, passive type Infrared Detectors or Thermoelectric Infrared Sensor) probe, signal filtering amplifying circuit, microprocessor (MCU), start controlled circuit.Wherein, the function that PIR and signal filtering amplifying circuit are finished is the same with function in the above-mentioned automatic stand-by television set, the signal controlling start controlled circuit that MCU detects according to PIR, when television set is in holding state, PIR detects the infrared signal that human body sends, and this signal continues the regular hour, then control start controlled circuit start.
The flow chart of Auto Power On specifically comprises the steps: as shown in Figure 5
(1) starts " Auto Power On " function.
(2) start this function (ON) after, carry out system's setting, MCU is to the timer zero clearing, and the preset value of heavily loaded counter, wherein, the preset value in the counter characterizes and picks up counting when having detected spectators, up to the time of Auto Power On, interior during this period of time TV still is in holding state.
(3) PIR detects the infrared signal that the televiewer sends in real time, and sends high-low level according to testing result to the INT0 of MCU (interrupting 0) port, and MCU detects the high-low level of INT0 port in real time, judges the signal that is transmitted by the PIR probe.
(4) when MCU detected INT0 and is low level (INT0=0), showing did not still have spectators televiewing, and changeed step (2); When MCU detected INT0 high level (INT0=1), illustrating had spectators to occur before detecting television set, at this moment starts timer and picks up counting.
(5) if when the timer clocking value reaches preset value in the counter, still there are spectators to rest in the PIR detection range, then MCU begins to send the Auto Power On instruction, make system boot, if PIR detects infrared signal and disappears before the timer clocking value reaches preset value in the counter, then change step (2).
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of method of television set automatic switching is characterized in that, described method comprises following step:
A, detecting unit detect the signal that the televiewer sends, and testing result is transferred to television set;
B, described television set are controlled described television set automatic switching according to the testing result of described detecting unit transmission.
2, method according to claim 1 is characterized in that, wherein step a specifically comprises:
The infrared signal that a1, the described televiewer of sensor send, and be transferred to described television set microprocessor MCU after described signal handled;
Wherein step b specifically comprises:
B1, described TV MCU indicate the switching on and shutting down controlled module of described television set to carry out the automatic switching function according to the testing result of described transducer inspection;
B2, described TV power on and off controlled module are controlled the television set automatic switching according to the indication of described MCU.
3, method according to claim 2 is characterized in that, wherein step a1 specifically comprises:
A11, be in open state when described television set, when Thermoelectric Infrared Sensor PIR detects the infrared signal of sending less than described televiewer, described PIR is to described TV MCU transmission low level signal, when described PIR detects the infrared signal that described televiewer sends, to described TV MCU transmission high level signal;
Wherein step b1 specifically comprises:
B11, described TV MCU pick up counting according to the low level signal control timer of described PIR transmission, and according to the high level signal of described PIR transmission with described timer zero clearing, when described timer timing time reached Preset Time, described MCU indicated described shutdown controlled module to carry out the automatic stand-by function;
Wherein step b2 specifically comprises:
B21, described television set shutdown controlled module are controlled the television set automatic stand-by according to the indication of described MCU.
4, method according to claim 2 is characterized in that, wherein step a1 specifically comprises:
A11, be in holding state when described television set, when Thermoelectric Infrared Sensor PIR detects the infrared signal of sending less than described televiewer, described PIR is to described TV MCU transmission low level signal, when described PIR detects the infrared signal that described televiewer sends, to described TV MCU transmission high level signal;
Wherein step b1 specifically comprises:
B11, described TV MCU pick up counting according to the high level signal control timer of described PIR transmission, and according to the low level signal of described PIR transmission with described timer zero clearing, when described timer timing time reached Preset Time, described MCU indicated described start controlled module to carry out the Auto Power On function;
Wherein step b2 specifically comprises:
B21, described television boot-strap controlled module are controlled the television set Auto Power On according to the indication of described MCU.
5, according to claim 3 or 4 described methods, it is characterized in that described Preset Time is set according to actual needs by TV user.
6, a kind of system that realizes the television set automatic switching is characterized in that, described system also comprises detecting unit, MCU and switching on and shutting down controlled module, wherein:
Described detecting unit is used for detecting signal that the televiewer sends and testing result is transferred to described MCU;
Described MCU links to each other with described detecting unit, is used for indicating described switching on and shutting down controlled module to carry out the function of automatic switching according to the testing result of described detecting unit transmission;
Described switching on and shutting down controlled module links to each other with described MCU, is used for controlling described TV power on and off according to the indication of described MCU.
7, system according to claim 6 is characterized in that, described detecting unit is Thermoelectric Infrared Sensor PIR.
8, system according to claim 6 is characterized in that, the signal that described televiewer sends is an infrared signal.
9, system according to claim 6 is characterized in that, described system also comprises timer, and described timer links to each other with described MCU, is used for picking up counting or zero clearing according to the instruction of described MCU.
10, system according to claim 9 is characterized in that, described MCU is used for whether reaching the default time according to described timer timing and indicates described switching on and shutting down controlled module to carry out the function of automatic switching.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100738523A CN101287086A (en) | 2007-04-10 | 2007-04-10 | Method and system realizing automatic turn-on and turn-off of television |
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| CNA2007100738523A CN101287086A (en) | 2007-04-10 | 2007-04-10 | Method and system realizing automatic turn-on and turn-off of television |
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| CN101945240A (en) * | 2010-07-07 | 2011-01-12 | 深圳创维－Rgb电子有限公司 | Device for automatically controlling main power supply of television |
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