CN102740028A - Standby power management device for television - Google Patents
Standby power management device for television Download PDFInfo
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- CN102740028A CN102740028A CN2012101714207A CN201210171420A CN102740028A CN 102740028 A CN102740028 A CN 102740028A CN 2012101714207 A CN2012101714207 A CN 2012101714207A CN 201210171420 A CN201210171420 A CN 201210171420A CN 102740028 A CN102740028 A CN 102740028A
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Abstract
The invention discloses a standby power management device for a television. The device comprises a main power module, a video output device and a signal decoding module, when an external video input signal is interrupted or a remote control power button which transmits a remote control input signal is pressed again, a micro controller unit (MCU) of a mainboard performs timing, in a preset time duration T, the signal decoding module interrupts a video signal of the video output device, the main power module continually supplies power to the video output device, and the television enters a light-standby state; and in the preset time duration T, if the MCU of the mainboard receives the external video input signal or the remote control input signal again, the signal decoding module restarts the video signal of the video output device, and otherwise, the main power module cuts off the power of the video output device, and the television enters a deep-standby state. By the technical scheme, when the television is required to be restarted, television can be restarted in a quite short time, and the phenomenon of interruption in the normal playing process of the television due to misoperation can be prevented.
Description
Technical field
The present invention relates to a kind of electric power controller of television set, particularly a kind of standby power management devices of television set.
Background technology
The television set of selling on the preceding market all is to adopt remote controller one by the POWER key, promptly gets into DEEPSTANDBY (true standby) state at once.There are some defectives in this state: when TV was being play excellent program, the user ran into the POWER key of remote controller because of carelessness, when the user opens TV again, has missed the excellent picture of longer a period of time.As user during at the imprinting highlight, supress the POWER key because of carelessness for another example, the operation of imprinting at this moment stops at once, can influence the integrality of user at the imprinting highlight equally.
Summary of the invention
For solving the technical problem that exists in the prior art; The invention provides a kind of standby power management devices with false standby and true holding state; Can avoid because wrong by remote controller Power key or after extracting the interface (VGA, HDMI interface with arousal function) of video input signals because of carelessness, restarting TV needs the long period and cause missing more content.
The present invention solves the problems of the technologies described above; The technical scheme that is adopted is: the standby power management devices that a kind of television set is provided; Comprise main power source module (10), video output device (24), audio output device (36) and signal decoding module (34); Main power source module (10) is processed into direct voltage with alternating voltage, the vision signal output of signal decoding module (34) control of video output device (24), and the audio signal output of audio output device (36); The standby power management devices also comprises mainboard MCU (32); Mainboard MCU (32) receives external video input signal or remote controller input signal; And send a control signal to signal decoding module (34) and decode; Also send control signals to main power source module (10) video output device (24) is supplied power, make video output device (24) work; The remote controller input signal is ended or pressed once more to the external video input signal; Mainboard MCU (32) carries out timing and in preset time length T; Signal decoding module (34) continues outputting video signal to video output device (24); And end audio signal output to audio output device (36), mainboard MCU (32) control main power source module (10) is cut off the power supply to video output device (24), and television set gets into false holding state; In said preset time length T; Mainboard MCU (32) is as receive external video input signal or remote controller input signal once more; Signal decoding module (34) continue outputting video signal to video output device (24) and output audio signal to audio output device (36); And mainboard MCU (32) control main power source module (10) is supplied power to video output device (24), and television set gets into the normal play state; Otherwise mainboard MCU (32) control main power source module (10) is ended the output of video and audio signal to video output device (24) outage and mainboard MCU (32) control signal decoder module (34), and television set gets into true holding state.
As preferred version of the present invention, the standby power management devices also comprises and showing with power module (20) and mainboard with power module (30); Show the direct voltage of handling the generation of said main power source module (10) with power module (20), and video output device (24) is supplied power; Mainboard is handled the direct voltage of the generation of said main power source module (10) with power module (30), and mainboard MCU (32), signal decoding module (34) and audio frequency output module (36) are supplied power.
As preferred version of the present invention, under false holding state or true holding state, said mainboard carries out voltage with power module (30) to said mainboard MCU (32) and often supplies.
As preferred version of the present invention, under false holding state, video output device (24) shows that the time span information and the user that get into false holding state select to get into normal video output or get into true holding state menu.
Technical scheme of the present invention is with respect to prior art, and the beneficial effect of obtaining is:
The standby power management devices of television set of the present invention; When the Power key of pressing remote controller is perhaps ended to have the external video input signal of arousal function; The signal decoding module continues the vision signal of output video output device; Main power source module is ended the video output device power supply, and television set gets into false holding state.When needs are opened television set again, only need the very short time just can realize.Avoid the situation of interrupting in the normal play process, occurring owing to misoperation causes television set.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes a part of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, does not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the standby power management devices structured flowchart of television set of the present invention;
Fig. 2 is that the power module structural representation is used in demonstration of the present invention;
Fig. 3 is a signal decoding modular structure sketch map of the present invention;
Fig. 4 is the choice menus sketch map after television set of the present invention gets into false holding state.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.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.
As shown in Figure 1, the standby power management devices of television set of the present invention comprises main power source module 10, video output device 24, audio output device 36 and signal decoding module 34, mainboard MCU32.The standby power management devices can also comprise and showing with power module 20 and mainboard with power module 30; Main power source module 10 is processed into direct voltage (DC) with alternating voltage (AC); Show the direct voltage of handling the generation of main power source module 10 with power module 20; And video output device 24 supplied power, mainboard is handled the direct voltage of the generation of main power source module 10 with power module 30, and mainboard MCU32, signal decoding module 34 and audio output device 36 are supplied power.As stated, main power source module 10, show with power module 20 and mainboard with the power supply plan of power module 30 realizations television set.
As shown in Figure 1; The signal transmission of television set with controlling schemes is: mainboard MCU32 receives external video input signal or remote controller input signal; And send a control signal to signal decoding module 34 and decode, make video output device 24 and audio output device 36 work.The external video input signal can be VGA, the HDMI port with arousal function, and the remote controller input signal refers to press the infrared signal that produces behind the Power key of remote controller.When the external video input signal is ended or is pressed the remote controller input signal first; Mainboard MCU32 carries out timing and in preset time length T (as 60 seconds); Signal decoding module 34 continues the vision signal of output video output device 24; Main power source module 10 is ended video output device 24 power supplies through showing with power module 20, and television set gets into false holding state.In above-mentioned preset time length T (as 60 seconds); Mainboard MCU32 is as receive external video input signal or remote controller input signal once more; Main power source module 10 is through showing the power supply that recovers video output device 24 with power module 20; Signal decoding module 34 is decoded to audio signal again, and transmitting audio signal to audio output device 36; Otherwise main power source module 10 is through showing that mainboard MCU32 control signal decoder module 34 is ended the output of video and audio signal with 24 outages of 30 pairs of video output devices of power module, and television set gets into true holding state.And under true holding state, 10 pairs of mainboard MCU32 power supplies of main power source module, and end power supply for other electronic components.
To sum up, when television set is under the false holding state, signal decoding module 34 continues video output device 24, audio output device 36 and carries out the decoding output of signal.But main power source module 10 (perhaps showing with power module 20) is ended the power supply to video output device 24.When television set gets into the normal play state of television set by false holding state; The power supply that only needs to recover video output device 24 gets final product; Its time interval is very short; Can avoid owing to wrong extract by the Power key of remote controller or the mistake of video inputs mouth, and the overlong time of the content of TV program that causes missing.And get into true holding state by false holding state, and can finish the back by the automatic counting of mainboard MCU32 directly to get into, also can select to get into through the choice menus (as shown in Figure 4) of video output device 24.
Because mainboard MCU32 need receive external video input signal or remote controller input signal at any time.Under false holding state or true holding state, mainboard carries out voltage with 30 couples of said mainboard MCU32 of power module and often supplies.Be appreciated that television set under false standby or true holding state, signal decoding module 34 is ended the output of audio output devices 36 signals, and only under the situation of the normal play of television set, audio output device 36 is output audio signal normally.
As shown in Figure 2; The MP3389 that shows the MPS that can adopt with power module 20; This IC is the increment type controller of the driving White LED that has 12 passages of current source design, has the Burst PWM Dimming major functions such as (being the brightness of may command LED lamp) of protection and PWM or the direct input of DC of programmable overvoltage protection, disconnection and short circuit LED.It is to have an Enable Control Input pin that this IC also has an outstanding feature, through this Pin being controlled (with moving high level on this Pin to or pulling down to low level), can reach the function to the shutoff or the unlatching of LED lamp.
As shown in Figure 3; Mainboard carries out voltage transitions with the power module 30 main components and parts such as DC-DC and LDO that adopt; Thereby satisfy the voltage needs of each device of main, comprise mainboard MCU32 and signal decoding module 34 etc., wherein the power supply of mainboard MCU32 is normal confession; Through Enable Control Input pin is imported high or low level, whether can control other voltage output Vout.
As shown in Figure 4, be under the false holding state at television set, video output device 24 shows that the time span information and the user that get into false holding state select to get into normal video output or get into true holding state menu.Do not receive input signal once more when the television set long period (time can be made as 60 seconds); Prompting frame shown in Figure 4 can appear in video output device 24; Mainboard MCU32 also begins to carry out timing; The time showing of countdown on video output device 24, can directly be selected whether continue to watch (choosing " YES ", normal video output) immediately or get into true holding state (choosing " NO ") simultaneously according to prompting.
Above-mentioned explanation illustrates and has described the preferred embodiments of the present invention; As previously mentioned; Be to be understood that the present invention is not limited to the form that this paper discloses, should do not regard eliminating as, and can be used for various other combinations, modification and environment other embodiment; And can in invention contemplated scope described herein, change through the technology or the knowledge of above-mentioned instruction or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and scope of the present invention, then all should be in the protection range of accompanying claims of the present invention.
Claims (4)
1. the standby power management devices of a television set; Comprise main power source module (10), video output device (24), audio output device (36) and signal decoding module (34); Main power source module (10) is processed into direct voltage with alternating voltage; The vision signal output of signal decoding module (34) control of video output device (24), and the audio signal output of audio output device (36); It is characterized in that the standby power management devices also comprises mainboard MCU (32);
Mainboard MCU (32) receives external video input signal or remote controller input signal; And send a control signal to signal decoding module (34) and decode; Also send control signals to main power source module (10) video output device (24) is supplied power, make video output device (24) work;
The remote controller input signal is ended or pressed once more to the external video input signal; Mainboard MCU (32) carries out timing and in preset time length T; Signal decoding module (34) continues outputting video signal to video output device (24); And end audio signal output to audio output device (36), mainboard MCU (32) control main power source module (10) is cut off the power supply to video output device (24), and television set gets into false holding state;
In said preset time length T; Mainboard MCU (32) is as receive external video input signal or remote controller input signal once more; Signal decoding module (34) continue outputting video signal to video output device (24) and output audio signal to audio output device (36); And mainboard MCU (32) control main power source module (10) is supplied power to video output device (24), and television set gets into the normal play state; Otherwise mainboard MCU (32) control main power source module (10) is to video output device (24) outage, and the output of mainboard MCU (32) control signal decoder module (34) termination video and audio signal, and television set gets into true holding state.
2. the standby power management devices of television set according to claim 1 is characterized in that, also comprises showing with power module (20) and mainboard with power module (30);
Show the direct voltage of handling the generation of said main power source module (10) with power module (20), and video output device (24) is supplied power;
Mainboard is handled the direct voltage of the generation of said main power source module (10) with power module (30), and mainboard MCU (32), signal decoding module (34) and audio frequency output module (36) are supplied power.
3. the standby power management devices of television set according to claim 2 is characterized in that, under false holding state or true holding state, said mainboard carries out voltage with power module (30) to said mainboard MCU (32) and often supplies.
4. the standby power management devices of television set according to claim 1; It is characterized in that; Under false holding state, video output device (24) shows that the time span information and the user that get into false holding state select to get into normal video output or get into true holding state menu.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101714207A CN102740028A (en) | 2012-05-29 | 2012-05-29 | Standby power management device for television |
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| CN2012101714207A CN102740028A (en) | 2012-05-29 | 2012-05-29 | Standby power management device for television |
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| CN102740028A true CN102740028A (en) | 2012-10-17 |
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| CN2012101714207A Pending CN102740028A (en) | 2012-05-29 | 2012-05-29 | Standby power management device for television |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915827A (en) * | 2015-12-14 | 2016-08-31 | 乐视致新电子科技（天津）有限公司 | Audio and video playing device and power supply method thereof |
| CN106792187A (en) * | 2016-11-30 | 2017-05-31 | 深圳讯飞互动电子有限公司 | A kind of Intelligent television control method and system |
| CN108877802A (en) * | 2018-05-29 | 2018-11-23 | 康佳集团股份有限公司 | A kind of circuit, TV and the sound control method of integrated speech arousal function |
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| KR20050017876A (en) * | 2003-08-11 | 2005-02-23 | 엘지전자 주식회사 | Method and apparatus for controlling power of display device |
| CN200950639Y (en) * | 2006-08-31 | 2007-09-19 | 谢剑斌 | Low-power consumption standing device for digital television |
| CN202634564U (en) * | 2012-05-29 | 2012-12-26 | 厦门华侨电子股份有限公司 | Standby power supply management device of television |
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2012
- 2012-05-29 CN CN2012101714207A patent/CN102740028A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20050017876A (en) * | 2003-08-11 | 2005-02-23 | 엘지전자 주식회사 | Method and apparatus for controlling power of display device |
| CN200950639Y (en) * | 2006-08-31 | 2007-09-19 | 谢剑斌 | Low-power consumption standing device for digital television |
| CN202634564U (en) * | 2012-05-29 | 2012-12-26 | 厦门华侨电子股份有限公司 | Standby power supply management device of television |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105915827A (en) * | 2015-12-14 | 2016-08-31 | 乐视致新电子科技（天津）有限公司 | Audio and video playing device and power supply method thereof |
| WO2017101353A1 (en) * | 2015-12-14 | 2017-06-22 | 乐视控股（北京）有限公司 | Audio and video playback apparatus and power supply method therefor |
| CN106792187A (en) * | 2016-11-30 | 2017-05-31 | 深圳讯飞互动电子有限公司 | A kind of Intelligent television control method and system |
| CN108877802A (en) * | 2018-05-29 | 2018-11-23 | 康佳集团股份有限公司 | A kind of circuit, TV and the sound control method of integrated speech arousal function |
| US11356727B2 (en) | 2018-05-29 | 2022-06-07 | Konka Group Co., Ltd. | Circuit integrated with voice wake-up function, television and voice control method |
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Application publication date: 20121017 |