CN101989122B - Electronic device and power-saving control method thereof - Google Patents
Electronic device and power-saving control method thereof Download PDFInfo
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- CN101989122B CN101989122B CN 200910159669 CN200910159669A CN101989122B CN 101989122 B CN101989122 B CN 101989122B CN 200910159669 CN200910159669 CN 200910159669 CN 200910159669 A CN200910159669 A CN 200910159669A CN 101989122 B CN101989122 B CN 101989122B
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Abstract
The invention discloses an electronic device and a power-saving control method thereof. The electronic device comprises a connection port, a data processing unit and a power supply unit, wherein the connection port is used to receive the input signal; the data processing unit is coupled with the connection port; the power supply unit is coupled with the connection port and contains a detection module for detecting whether the connection port receives the input signal; and the power supply unit judges whether to supply power for the data processing unit according to the detection result generated by the detection module.
Description
Technical field
The present invention relates to a kind of electronic installation and electricity-saving control method thereof, specifically utilize the power-supply unit with detection module that the power supply that provides data processing unit required optionally is provided.
Background technology
In the prior art, electronic installation when not receiving signal, the work that little processing and control element (PCE) (MCU) of described electronic installation inside still can continue, and waiting signal and start described electronic installation again.Specifically, be used for having the electronic installation of Presentation Function, for example display etc.
Generally speaking, have little processing and control element (PCE) in the display of electronic installation, in order to receiving the video signal of external device (ED), and the corresponding image that produces.Yet when providing of video signal was provided external device (ED), display only was the supply that reduces the required electric power of the interior part mac function of little processing and control element (PCE), and enter park mode, in fact, little processing and control element (PCE) of display still continues to consume electric power, does not reach effect of saving energy.
Summary of the invention
The present invention proposes in order to address the above problem, and the object of the present invention is to provide a kind of electronic installation and electricity-saving control method thereof, can reach less electricity consumption at electronic installation effectively.
According to one of them purpose of the present invention, a kind of electronic installation is proposed, it comprises connectivity port, data processing unit, display unit and power-supply unit.The connectivity port is in order to the input signal that provides from external device (ED) to be provided, and wherein said external device (ED) is computing machine.Data processing unit couples the connectivity port, and provides control signal according to the described input signal from described external device (ED).Display unit couples described data processing unit, and the described control signal that provides according to described data processing unit is to show the image relevant with described input signal.Power-supply unit couples the connectivity port, and has detection module and whether receive input signal to detect the connectivity port, and judges whether that according to the testing result that detection module produces power supply gives data processing unit.Wherein, when described electronic installation enters park mode, represent that described detection module detects described connectivity port and do not receive described input signal, described power-supply unit stops power supply to described data processing unit and described display unit thus, and when described data processing unit is powered, represent that described detection module detects described connectivity port and receives described input signal, described data processing unit starts described display unit to show the image relevant with described input signal thus.
According to another object of the present invention, a kind of electronic installation electricity-saving control method is proposed, comprise the following step.At first, detection module is set in the power-supply unit of electronic installation, and detection module is electrically connected the connectivity port of electronic installation.Then, utilize the input signal that the connectivity port receives to be provided from external device (ED), and utilize the data processing unit of described electronic installation that control signal is provided according to the described input signal from described external device (ED), show the image relevant with described input signal with the display unit of controlling described electronic installation, wherein said external device (ED) is computing machine.Then, whether receive input signal by detection module to detect the connectivity port.At last, the testing result that produces according to detection module described data processing unit and the described display unit to electronic installation that judge whether to power.Wherein, when described electronic installation enters park mode, represent that described detection module detects described connectivity port and do not receive described input signal, described power-supply unit stops power supply to described data processing unit and described display unit thus, and when described data processing unit is powered, represent that described detection module detects described connectivity port and receives described input signal, described data processing unit starts described display unit to show the image relevant with described input signal thus.
From the above, according to electronic installation of the present invention and electricity-saving control method thereof, it can have one or more following advantages:
(1) whether described electronic installation and electricity-saving control method thereof provide power supply to external device (ED) according to detection module being set in power-supply unit with control fully.
(2) described electronic installation and electricity-saving control method thereof optionally judge whether to offer the required power supply of data processing unit by having the power-supply unit of detection module, can save electronic installation and wait the energy loss of biding one's time.
Description of drawings
Fig. 1 is the first embodiment calcspar of electronic installation of the present invention;
Fig. 2 is the second embodiment calcspar of electronic installation of the present invention;
Fig. 3 is the 3rd embodiment process flow diagram of electronic installation electricity-saving control method of the present invention;
Fig. 4 is the 4th embodiment process flow diagram of electronic installation electricity-saving control method of the present invention;
Fig. 5 is the 5th embodiment calcspar of electronic installation of the present invention;
Fig. 6 is the 6th embodiment calcspar of electronic installation of the present invention; And
Fig. 7 is the 7th embodiment calcspar of electronic installation of the present invention.
Main symbol description: 100 is electronic installation, and 102 is the connectivity port, and 104 is data processing unit, 106 is power-supply unit, and 110 is display unit, and 1066 is detection module, 1068 is control module, and 10610 for coupling module, and 10612 is transformer, 10614 is first circuit, and 10616 is second circuit, and 10618 is the DC-DC module, 108 is external device (ED), 12 is input signal, and 300,400 is the electronic installation electricity-saving control method, and S402, S404-S412, S301-S304 are step.
Embodiment
With reference to Fig. 1, it is the first embodiment calcspar of electronic installation of the present invention.In the present embodiment, electronic installation 100 comprises display unit 110, connectivity port 102, data processing unit 104 and power-supply unit 106.Display unit 110 show images, the input signal that provides from external device (ED) 108 is provided in connectivity port 102, for example external device (ED) 108 can be computing machine, and input signal can be demonstration info-channel (Display Data Channel, DDC) signal, vertical/horizontal (H/V) synchronizing signal or digital/analog signal etc.For example, data processing unit 104 and connectivity port 102 electrically connects, and according to the input signal from external device (ED) 108, data processing unit 104 provides control signal with control display unit 110.For example, control signal can be video signals such as signal of video signal, colour signal, luminance signal.
Power-supply unit 106 couples connectivity port 102, and power-supply unit 106 has detection module 1066 and whether receives input signal to detect connectivity port 102, and judges whether that according to the testing result that detection module 1066 produces power supply is to data processing unit 104.Detection module 1066 is in order to detecting connectivity port 102, and produces detection signal.Wherein, detection signal comprises the connectivity port 102 that is connected with external device (ED) 108 of indication and has or not and receive input signal.Wherein, power-supply unit 106 has more input end and output terminal, and input end receives input signal, and output terminal out-put supply, power-supply unit 106 also comprise transformer 10612, first circuit 10614, second circuit 10616 and couple module 10610.Voltage device 10612 comprises primary side and secondary side, and first circuit 10614 couples primary side, and first circuit 10614 has control module 1068 with control transformer.Second circuit 10614 couples secondary side, and according to the result that detection module 1068 detects, optionally determines the power supply that output terminal is exported.For example, when electronic installation 100 entered park mode, power-supply unit 106 stopped power supply to data processing unit 104, and when data processing unit 104 was powered, this data processing unit 104 started display unit 110.Moreover power-supply unit 106 judges whether to power again to data processing unit 104 according to testing result again.
In above-mentioned, couple module 10610 and couple detection module 1066 and control module 1068, for example couple module 10610 and can be optical unit and constitute, in order to receive/to transmit optical signalling, again or electrical connecting unit, in order to receive/transmission electric signal.
With reference to Fig. 2, it is the second embodiment calcspar of electronic installation of the present invention.In the present embodiment, the description of most assembly is same as the previously described embodiments.Difference is that detection module 1066 is embedded in the control module 1068, and couples connectivity port 102 by coupling module 10610.So arrange, can simplify the working cell that is arranged in the power-supply unit 106.
With reference to Fig. 3, it is the 3rd embodiment process flow diagram of electronic installation electricity-saving control method of the present invention.Electronic installation electricity-saving control method 300 according to the present invention comprises the following step.At step S301, detection module is set in the power-supply unit of electronic installation, and detection module is electrically connected the connectivity port of electronic installation.At step S302, utilize the connectivity port to receive input signal.At step S303, whether receive input signal by detection module to detect the connectivity port.At step S304, the testing result that produces according to detection module judges whether that power supply is to data processing unit.Wherein, when the detection module judgement is not powered to data processing unit, be park mode.
With reference to Fig. 4, it is the 4th embodiment process flow diagram of electronic installation electricity-saving control method of the present invention.The electronic installation electricity-saving control method comprises the following step, and utilizing detection module to detect the input source at step S402 does not have signal to produce; When there is signal in input source, then then in step S404 electronic installation enter start-up mode; Then power-supply unit is powered to data processing unit in step S406; If the input source does not have signal, then carry out step S408, electronic installation enters park mode; Then power-supply unit stops power supply to data processing unit in step S410; Detection module continues to detect to import to originate whether signal is arranged in step S412 at last.
With reference to Fig. 5, it is the 5th embodiment calcspar of electronic installation of the present invention.In the present embodiment, power-supply unit 106 can comprise transformer 10612, first circuit 10614, second circuit 10616 and couple module 10610.Transformer 10612 comprises primary side and secondary side.It connects first circuit 10614 and second circuit 10616 respectively.Wherein, first circuit 10614 couples primary side, and first circuit 10614 has control module 1068 with the primary side of control transformer 10612, and electrically connects with control module 1068, in order to produce primary side voltage.Second circuit 10616 couples secondary side, and second circuit 10616 out-put supplies, and secondary side induction primary side voltage is in order to produce secondary side voltage.That is, whether electronic installation 100 can make voltage turn-on according to control module 1068 control primary sides, if the primary side no-voltage produces, then secondary side can't produce induced potential voltage, and namely no-voltage is exported from output terminal.Generally speaking, the alternating voltage that primary side input is 110 volts, and by primary side and secondary side coil number different between the two, the usefulness of carrying out shift voltage and circuit isolation.It is after the secondary side induction, at secondary side still output AC voltage.Couple module 10610 and couple first circuit 10614 and second circuit 10616.Moreover, the voltage that secondary side is exported, can carry out the conversion of combined-voltage at second circuit 10616, for example second circuit 10616 can comprise the voltage/current rectification circuit, again or be called ac/dc converting unit (AC-DC) or DC/DC conversion unit (DC-DC) 10618.
It should be noted that, detection module 1066 is disposed at second circuit 10616 and couples connectivity port 102, and testing result is sent to control module 1068 by coupling module 10610, and control module 1068 judges whether that according to testing result power supply is to data processing unit thus.For example, connectivity port 102 can comprise D-SUB, DVI or HDMI.
With reference to Fig. 6, it is the 6th embodiment calcspar of electronic installation of the present invention.In the present embodiment, most component class is described like above-described embodiment, different is that detection module 1066 is embedded in control module 1068, and couples connectivity port 102 by coupling module 10610, and detection module 1066 judges whether that according to described testing result power supply is to data processing unit 104.In addition, connectivity port 102 also can be connected to control module 1068 coupling module 10610 by another, to receive the input signal that external device (ED) was provided.For example couple module 10610 and can be the optics coupler.It should be noted that input signal 112 comprise DDC5V signal, vertical/horizontal (H/V) synchronizing signal with or digital signal.
With reference to Fig. 7, it is the 7th embodiment calcspar of electronic installation of the present invention.In the present embodiment, detection module 1066 is embedded in the control module 1068, and by coupling the input signal 112 that module 10610 receives from external device (ED) 108, wherein input signal 112 comprises DDC5V signal, vertical/horizontal (H/V) synchronizing signal or digital signal.
The above only is illustrative, rather than restrictive.Do not break away from spirit of the present invention and category any, and to its equivalent modifications of carrying out or change, all should be contained within the claim scope of the present invention.
Claims (6)
1. electronic installation is characterized in that comprising:
The connectivity port, input signal that provides from external device (ED) is provided for it, and wherein said external device (ED) is computing machine;
Data processing unit, it couples described connectivity port, and provides control signal according to the described input signal from described external device (ED);
Display unit, it couples described data processing unit, and the described control signal that provides according to described data processing unit is to show the image relevant with described input signal; And
Power-supply unit, it couples described connectivity port and has detection module whether receive described input signal to detect described connectivity port, and judge whether that according to the testing result that described detection module produces power supply gives described data processing unit and described display unit
Wherein, when described electronic installation enters park mode, represent that described detection module detects described connectivity port and do not receive described input signal, described power-supply unit stops power supply to described data processing unit and described display unit thus, and when described data processing unit is powered, represent that described detection module detects described connectivity port and receives described input signal, described data processing unit starts described display unit to show the image relevant with described input signal thus.
2. electronic installation according to claim 1 is characterized in that described power-supply unit also comprises:
Transformer, it includes primary side and secondary side;
First circuit, it couples described primary side, and described first circuit has control module to control described transformer;
Second circuit, it couples described secondary side, described second circuit out-put supply; And
Couple module, it couples described first circuit and described second circuit.
3. electronic installation according to claim 2, it is characterized in that described detection module is embedded in described control module, and couple described connectivity port by the described module that couples, and described control module judges whether that according to described testing result power supply is to described data processing unit.
4. electronic installation electricity-saving control method is characterized in that comprising the following step:
Detection module is set in the power-supply unit of described electronic installation, and described detection module is electrically connected the connectivity port of described electronic installation;
Utilize the input signal that described connectivity port receives to be provided from external device (ED), and utilize the data processing unit of described electronic installation that control signal is provided according to the described input signal from described external device (ED), show the image relevant with described input signal with the display unit of controlling described electronic installation, wherein said external device (ED) is computing machine;
Detect described connectivity port by described detection module and whether receive described input signal; And
The testing result that produces according to described detection module judge whether to power described data processing unit and described display unit to described electronic installation,
Wherein, when described electronic installation enters park mode, represent that described detection module detects described connectivity port and do not receive described input signal, described power-supply unit stops power supply to described data processing unit and described display unit thus, and when described data processing unit is powered, represent that described detection module detects described connectivity port and receives described input signal, described data processing unit starts described display unit to show the image relevant with described input signal thus.
5. electronic installation electricity-saving control method according to claim 4 is characterized in that described power-supply unit also comprises:
Transformer, it includes primary side and secondary side;
First circuit, it couples described primary side, and described first circuit has control module to control described transformer;
Second circuit, it couples described secondary side, described second circuit out-put supply; And
Couple module, it couples described first circuit and described second circuit.
6. electronic installation electricity-saving control method according to claim 5, it is characterized in that described detection module is embedded in described control module, and couple described connectivity port by the described module that couples, and described control module judges whether that according to described testing result power supply is to described data processing unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910159669 CN101989122B (en) | 2009-07-29 | 2009-07-29 | Electronic device and power-saving control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910159669 CN101989122B (en) | 2009-07-29 | 2009-07-29 | Electronic device and power-saving control method thereof |
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| CN101989122A CN101989122A (en) | 2011-03-23 |
| CN101989122B true CN101989122B (en) | 2013-10-09 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025322B (en) * | 2014-04-28 | 2017-12-26 | 启碁科技股份有限公司 | Television rod |
| CN105446915B (en) * | 2014-06-13 | 2018-08-10 | 联想(北京)有限公司 | Signal processing method and electronic equipment |
| CN107589698B (en) * | 2017-09-20 | 2021-05-25 | 友达光电股份有限公司 | Sensing device applied to Internet of things and control method |
| CN112714001B (en) * | 2019-10-24 | 2022-12-09 | 台达电子工业股份有限公司 | Power supply device |
| CN114609938A (en) * | 2020-12-08 | 2022-06-10 | 瑞昱半导体股份有限公司 | Electronic device system and power supply transmission method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1520215A (en) * | 2003-02-04 | 2004-08-11 | Lg电子株式会社 | Energy saving system and method |
| CN2838024Y (en) * | 2005-07-28 | 2006-11-15 | 邓丙之 | Switch circuit in device power supply circuit |
| CN101153989A (en) * | 2006-09-29 | 2008-04-02 | 硕颉科技股份有限公司 | Backlight module, LCD device and its control method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1520215A (en) * | 2003-02-04 | 2004-08-11 | Lg电子株式会社 | Energy saving system and method |
| CN2838024Y (en) * | 2005-07-28 | 2006-11-15 | 邓丙之 | Switch circuit in device power supply circuit |
| CN101153989A (en) * | 2006-09-29 | 2008-04-02 | 硕颉科技股份有限公司 | Backlight module, LCD device and its control method |
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| CN101989122A (en) | 2011-03-23 |
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