CN100423566C - Stand-by energy-saving circuit of TV set - Google Patents
Stand-by energy-saving circuit of TV set Download PDFInfo
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- CN100423566C CN100423566C CNB2006100604971A CN200610060497A CN100423566C CN 100423566 C CN100423566 C CN 100423566C CN B2006100604971 A CNB2006100604971 A CN B2006100604971A CN 200610060497 A CN200610060497 A CN 200610060497A CN 100423566 C CN100423566 C CN 100423566C
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- aiding cpu
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Abstract
Stand by energy saving circuit includes output end of stand by power supply for providing stand by power supply, infrared reception header in use for receiving user command or key controlled board, main control signal board of TV set, electronic switch, and assistant CPU. The infrared reception header or key controlled board is connected to the signal board and assistant CPU. The assistant CPU is connected to the infrared reception header or key controlled board, the signal board and the electronic switch. The electronic switch is setup between the output end of stand by power supply and the signal board. Under stand by state, the assistant CPU cuts off the electronic switch and takes over commands from the infrared reception header or key controlled board. In restarting-up time, the assistant CPU turns the electronic switch on; the signal board and the assistant CPU carry out I/O communication, and return master control power to the signal board.
Description
[technical field]
The present invention relates to technical field of television sets, refer in particular to a kind of stand-by energy-saving circuit of TV set.
[background technology]
Present employed television set nearly all has idle function.The television set idle function typically refers to television set between bringing into normal play function and break away from AC power fully and thorough operating state in the middle of a kind of between the outage.Television set adopts the basic meaning of " standby " to be, can make things convenient for and start television set once more.Generally shutdown (standby) button with remote controller can directly enter holding state, at this moment the television set internal control circuit is not thoroughly closed, its infrared signal receive and relevant control circuit still in running order, and can receive at any time from the infrared signal of remote controller and start once more.The mains switch that can operate on the TV set panel of user just can directly start television set like this.
Just because of this reason, under the situation of not using television set, increasing user has got used to allowing television set be in holding state.Show according to sample investigation: have 88% user for convenience, and TV is not shut down fully.Standby needs the support of AC power, consumes certain electric energy, and the power consumption of generation is called stand-by power consumption.The electric energy that consumes when obviously stand-by power consumption is brought into normal play function than equipment is much smaller.But bring into play any function hardly just because of equipment under the holding state, stand-by power consumption almost can be described as a kind of waste of the energy.This shows that the idle function of television manufacturer exploitation when providing users with the convenient, has also caused the waste of the energy.According to internal authority mechanism statistics, standby energy consumption has accounted for 3%～13% of civilian power consumption, accounts for 2% of gross generation.China's household electrical appliances One's name is legion, the standby energy consumption total amount is huge.
Therefore, the stand-by power consumption problem of television set is causing the extensive concern of entire society.The traditional circuit designing thought that reduces the stand-by power consumption of TV set power mainly centers on the efficient that how to improve under " underloading " or waiting condition.Attempt to reduce stand-by power consumption by raising to power supply architecture improvement and components and parts efficient.
As shown in Figure 1, Fig. 1 is known television set stand-by circuit principle schematic.Television set receives from user " standby " by infrared receiving terminal 3 and keying panel 5 and orders, enter holding state, standby power output 1 output 5 volts of standby voltages (standby5V), signal plate 10 power supplies for television set, to keep the electricity consumption of JC necessary on the signal plate 10, thereby make the television set can normal boot-strap, if sort circuit wants to reduce stand-by power consumption, need allow and under holding state, need the IC that powers " power saving " as much as possible on the signal plate, just above-mentioned, the method for the power consumption of power supply when as far as possible reducing underloading.Obviously, along with the tap/dip deep into of the energy-saving potential of power supply own, continue to reduce stand-by power consumption difficulty more, technology barrier sharply increases, and technical risk enlarges, and the lead time prolongs.Therefore, be necessary to adopt a kind of new circuit form in fact, reduce stand-by power consumption, save the electric energy that the television set holding state consumes down.
[summary of the invention]
Technical problem to be solved by this invention is: a kind of stand-by energy-saving circuit of TV set is provided, reduces the stand-by power consumption of television set, save the electric energy that television set consumes under holding state.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of stand-by energy-saving circuit of TV set, comprise the standby power of standby power output is provided, in order to receive the infrared receiving terminal or the keying panel of user command, main control signal plate, electronic switch and the aiding CPU of television set.This infrared receiving terminal or keying panel connect with this signal plate and aiding CPU respectively.This aiding CPU respectively with this infrared receiving terminal or keying panel, this signal plate and this electronic switch connect, this electronic switch is arranged between this standby power output and this signal plate.When the control panel of user by remote controller or television set sends " standby " order, instruction is passed to aiding CPU and signal plate from infrared receiving terminal or keying panel, carrying out I/O between aiding CPU and signal plate communicates by letter, give aiding CPU the idle function control, be responsible for taking over the information of sending on infrared receiving terminal and the keying panel by aiding CPU.State when signal plate itself then enters the cut-out alternating current of traditional circuit.Simultaneously, aiding CPU cuts off electronic switch, and signal plate does not insert standby power.When the user sent " start " order, aiding CPU was connected electronic switch, and the standby power output is powered to signal plate, signal plate carries out I/O with aiding CPU and communicates by letter, know that this start is holding state start down, master control weighed given back signal plate that television set enters normal operating conditions.
The present invention not only can realize conventional television set idle function, and after television set enters holding state among the present invention, standby power is mainly the aiding CPU power supply, realize idle function control by aiding CPU, realized that the load when standby almost completely switches to another new load, thereby the then reduction greatly of the power consumption of TV set power under new load, effectively save the electric energy that television set consumes under holding state.
[description of drawings]
Fig. 1 is known television set stand-by circuit principle schematic.
Fig. 2 is the principle schematic of stand-by energy-saving circuit of TV set of the present invention.
[embodiment]
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 2, a kind of stand-by energy-saving circuit of TV set of the present invention, comprise the standby power of standby power output 1 is provided, in order to main control signal plate 10, electronic switch 15 and the aiding CPU 20 of the infrared receiving terminal 3 of accepting user command and keying panel 5, television set.Infrared receiving terminal 3 connects with signal plate 10 and aiding CPU 20.Infrared receiving terminal 3 receives the user command that the user sends via remote controller, and it is conveyed to aiding CPU 20 and signal plate 10.Keying panel 5 connects with signal plate 10 and aiding CPU 20.Keying panel 5 receives the user command that the user presses via TV set panel, and it is conveyed to aiding CPU 20 and signal plate 10.Aiding CPU 20 is coupled to each other with signal plate 10, can carry out I/O communication.Between standby power output 1 and the signal plate 10 electronic switch 15 is set, the standby power output of 1 pair of signal plate 10 of control standby power output.Electronic switch 15 connects with aiding CPU 20, by aiding CPU 20 control electronic switches 15.Aiding CPU 20 inserts standby power output 1, provides 5 volts of standby voltages (standby5V) to give aiding CPU 20 by standby power output 1.
When the control panel of user by remote controller or television set sent " standby " order, instruction was passed to aiding CPU 20 and signal plate 10 from infrared receiving terminal 3 or keying panel 5.Aiding CPU 20 carries out I/O with 10 of signal plates communicates by letter, and gives aiding CPU 20 the idle function control, is responsible for taking over the command information of sending on infrared receiving terminal 3 and the keying panel 5 by aiding CPU 20.State when signal plate 10 then enters the cut-out alternating current of traditional circuit itself.Simultaneously, aiding CPU 20 cuts off electronic switch 15, and like this, signal plate 10 does not insert the standby power of standby power output 1 output.
When the control panel of user by remote controller or television set sends " start " order, aiding CPU 20 is received instruction, connect electronic switch 15, standby power output 15 volts of standby voltages of output (standby5V) give signal plate 10 power supplies, signal plate 10 carries out I/O with aiding CPU 20 and communicates by letter, know that this start is holding state start down, weighs master control and gives back signal plate 10.Television set enters normal operating conditions.
The present invention not only can realize conventional television set idle function, and after television set enters holding state among the present invention, standby power is mainly the aiding CPU power supply, realize idle function control by aiding CPU, thereby realized that the load when standby almost completely switches to another new load, thereby the power consumption of TV set power under new load reduces greatly then.
Our experiments show that, use traditional stand-by circuit, generally speaking, undersized LCD TV stand-by power consumption minimum is about 3W, and the large scale TV, as plasm TV (more than 42 cun), because systematic comparison is huge, the function that realizes also relatively many (supporting technology such as HDMI, USB, DVI), the CPU of signal plate also has more pin so, and stand-by power consumption is then up to about 5W.And stand-by energy-saving circuit of the present invention, stand-by power consumption can be decreased to below the 1W, has reduced stand-by power consumption largely, saves energy.
And, this circuit scope of application is extensive, not only can be used for television set, also can be used for other similar electronic products, because the electric energy that standby will consume almost completely becomes the electric energy that aiding CPU consumes by the electric energy that original load consumed, so, no matter the power consumption of original load has muchly, can be reduced to the power consumption of aiding CPU.
Claims (4)
1. a stand-by energy-saving circuit of TV set comprises: the standby power output that standby power is provided; In order to receive the receiving system of user command; And the main control signal plate of television set; Described receiving system connects with described signal plate; It is characterized in that: TV set energy-saving circuit of the present invention further comprises an electronic switch and an aiding CPU, described aiding CPU respectively with described receiving system, described signal plate and described electronic switch connect, described electronic switch is arranged between described standby power output and the described signal plate, under holding state, described aiding CPU cuts off electronic switch, and takes over the instruction from described receiving system; When starting shooting again, described aiding CPU is connected described electronic switch, and described signal plate carries out I/O with described aiding CPU communicates by letter, and master control power is returned described signal plate.
2. stand-by energy-saving circuit of TV set as claimed in claim 1 is characterized in that: described receiving system is the infrared receiving terminal of a reception user via the user command of remote controller transmission.
3. stand-by energy-saving circuit of TV set as claimed in claim 1 is characterized in that: described receiving system is one to receive the keying panel of the user command that the user presses via TV set panel.
4. stand-by energy-saving circuit of TV set as claimed in claim 1 is characterized in that: described aiding CPU further connects with described standby power output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100604971A CN100423566C (en) | 2006-04-26 | 2006-04-26 | Stand-by energy-saving circuit of TV set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100604971A CN100423566C (en) | 2006-04-26 | 2006-04-26 | Stand-by energy-saving circuit of TV set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1893595A CN1893595A (en) | 2007-01-10 |
| CN100423566C true CN100423566C (en) | 2008-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100604971A Expired - Fee Related CN100423566C (en) | 2006-04-26 | 2006-04-26 | Stand-by energy-saving circuit of TV set |
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| CN (1) | CN100423566C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101197979B (en) * | 2007-12-05 | 2010-10-06 | 深圳创维数字技术股份有限公司 | Energy-saving standby system of digital television receiver |
| CN101668140B (en) * | 2009-09-25 | 2012-02-01 | 深圳创维－Rgb电子有限公司 | Communication method among modules of multimedia television |
| CN102196311B (en) * | 2011-06-09 | 2013-07-10 | 深圳市同洲电子股份有限公司 | Digital television receiving system and method |
| CN103677034B (en) * | 2012-09-03 | 2016-04-20 | 珠海格力电器股份有限公司 | The stand-by circuit of household electrical appliance and standby controlling method |
| CN103903410B (en) * | 2012-12-28 | 2018-06-01 | 联想(北京)有限公司 | Electronic equipment and its information processing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114252U (en) * | 1990-12-31 | 1992-08-26 | 章岩 | Automatic breaker for colour tv sets |
| CN2446654Y (en) * | 1999-04-26 | 2001-09-05 | 杨德印 | Electricity saving device for standing electrical appliance |
| CN2741293Y (en) * | 2004-10-12 | 2005-11-16 | 上海久隆电力科技有限公司 | TV set with energy saving function at ready status |
-
2006
- 2006-04-26 CN CNB2006100604971A patent/CN100423566C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114252U (en) * | 1990-12-31 | 1992-08-26 | 章岩 | Automatic breaker for colour tv sets |
| CN2446654Y (en) * | 1999-04-26 | 2001-09-05 | 杨德印 | Electricity saving device for standing electrical appliance |
| CN2741293Y (en) * | 2004-10-12 | 2005-11-16 | 上海久隆电力科技有限公司 | TV set with energy saving function at ready status |
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| Publication number | Publication date |
|---|---|
| CN1893595A (en) | 2007-01-10 |
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Granted publication date: 20081001 Termination date: 20150426 |
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