WO2018151558A2 - 낭비되는 전력을 차단하는 모니터 및 전원 어댑터 장치, 및 그 제어방법 - Google Patents
낭비되는 전력을 차단하는 모니터 및 전원 어댑터 장치, 및 그 제어방법 Download PDFInfo
- Publication number
- WO2018151558A2 WO2018151558A2 PCT/KR2018/001987 KR2018001987W WO2018151558A2 WO 2018151558 A2 WO2018151558 A2 WO 2018151558A2 KR 2018001987 W KR2018001987 W KR 2018001987W WO 2018151558 A2 WO2018151558 A2 WO 2018151558A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power
- unit
- monitor
- computer
- supplied
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3265—Power saving in display device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Definitions
- Monitor and power adapter device to block wasted power, and control method thereof
- the present invention relates to the use of a separate power adapter for powering computer peripherals, such as computer monitors, bump projectors, printers, and the like.
- the present invention relates to a power supply adapter technology for computer peripherals.
- the present invention relates to a power adapter capable of automatically cutting off the input power of the power adapter when the computer is 'off', and a control method thereof.
- an object of the present invention is to provide a power adapter that can effectively block the power wasted when using a peripheral device, such as a computer monitor, to solve the above-mentioned problems in the prior art.
- Still another object of the present invention is to provide a means for detecting a power saving mode of a computer or a 'power off' state of a computer connected to a computer peripheral including a monitor (hereinafter, for convenience of description, collectively referred to as a 'monitor'). And a means for shutting off power to the monitor and the power adapter integrally, which automatically cuts off the power supply of the monitor when the computer is in the power saving mode and / or when the computer is 'off', thereby wasting the use of electronic products. It is an object of the present invention to provide a power adapter and a control method thereof capable of cutting off power.
- An object of the present invention is to provide a power adapter and a control method thereof capable of cutting off power being consumed.
- a power adapter device for controlling the power supply so that power can be supplied from the power adapter to the peripherals of the computer, in particular the computer monitor only when the computer is operating,
- the monitor is:
- a power transmission unit for supplying power for controlling the power adapter in a state in which power is cut off
- a first switching unit configured to block the power supply Vcc from being supplied to another circuit such as a display unit, and to operate as a means for supplying power to the other circuit when the power adapter is normally operated and the power is supplied to the monitor ;
- a first control unit comprising at least one microprocessor configured to receive, calculate, compare, determine, and process various data from the computer and / or monitor and to control the overall device including the power adapter;
- the power adapter is:
- a second control unit including at least one microprocessor for receiving, calculating, comparing, determining, and processing various data of the power adapter to collectively control the functions of the power adapter;
- a second backflow prevention unit for preventing a doldol of the power supplied from the power transmission unit and the power adapter supplied to the mall monitor by operating the power adapter;
- a power supply unit for supplying power to the monitor when power is supplied from the switching unit
- a current sensing unit connected between the backflow prevention unit and the power supply unit to sense a current supplied to the monitor to check a state of the monitor.
- the AC power to the power adapter 20 is cut off, through the power supply unit 13 through the power supply adapter ( And a power generator 16 for collecting and storing energy in the video signal.
- a power control method for controlling power supply / blocking so that power can be supplied to peripheral devices of a computer, in particular, a computer monitor, from a power adapter only when the computer is operated.
- the method is
- the connector uses VGA, charge the capacitor from the sync signals (H-sync, V-sync) to collect and store energy from the VGA signal, or if the connector uses HDMI, use the HDMI signal. charging the capacitor to collect, store and supply energy from clock + , clock ⁇ signals;
- Vzd a predetermined reference voltage
- the control method includes outputting the current sensing unit at a time when no current flows in both ends e and d of the resistance of the current sensing unit. The operation of storing the voltage value into the input of the control unit and storing the voltage value to set the standby voltage value VS to determine the power saving mode or the power off mode.
- the present invention eliminates unnecessary power generation by eliminating unnecessary power by automatically shutting off the power supply of the power adapter in the computer power saving mode and when the computer is 'off'. to reduce and "Moreover it is possible to reduce such a block the discharge of the carbon dioxide generated during the required power output effect of preventing environmental pollution.
- FIG. 1 is a circuit diagram schematically illustrating the configuration of a monitor and a power adapter according to an embodiment of the present invention.
- FIG. 2 is a circuit diagram schematically illustrating a configuration of a monitor and a power adapter according to another embodiment of the present invention.
- FIG. 3A and 3B are signals inputted from a computer to a power generation unit serving as energy collection and storage means of the monitor in FIG. 2 according to an embodiment of the present invention.
- FIG. 3B is a diagram illustrating the stored power waveform (FIG. 3A).
- the terms "alternatively, approximately, essentially”, and the like, do not need to be provided precisely any characteristic, parameter, or value (s), but, for example, to some extent known to those skilled in the art. In spite of errors, measurement tolerances or some variation, it is also used to mean that it does not exclude the effect of providing essentially the same characteristics, parameters, value (s).
- . 1 is a circuit diagram schematically illustrating the configuration of a monitor and a power adapter according to an embodiment of the present invention. With reference to FIG. 1, the structure of the monitor 10 and the power mapper 20 which concerns on this invention are demonstrated.
- the monitor 10 is:
- a control unit (12) comprising at least one microprocessor for receiving, calculating, comparing, determining and processing various data from the computer and controlling the power adapter device according to the present invention
- a display unit 11 for displaying an image according to data processing in the control unit 12;
- At least one diode which supplies power supplied from the computer to the control unit 12 at Vcc, and functions as a means of preventing current from flowing back toward the computer when the power adapter 20 supplies power.
- Low U backflow prevention including D1); Receives + 5V power and sync signals V-sync and H-sync from the computer via VGA or HDMI connector, or receives the clock signal of the HDMI signal and the computer is in power saving mode or according to the power 'off' state.
- a power transmission unit 13 composed of a plurality of switching elements (including a relay and at least one transistor) for supplying a power supply start signal to the power adapter 20 or delivering a cutoff signal according to the control; And
- the power supply Vcc is supplied to other circuits such as the display unit 11 to prevent malfunction. That is, when the power supply Vcc is cut off from being supplied to other circuits such as the despooler unit 11, and the power adapter 20 is operated normally and the power is supplied to the monitor 10, the display unit ( And a first switching section 17 which acts as a means for supplying power to other circuits such as 11).
- the monitor is connected to the power supply plug 24 for inputting power supplied from the power adapter 20 through the power supply plug 24, the power receiving socket 14 is configured specifically (Fig. May be included).
- the configuration of the power adapter 20 that can be connected to the monitor 10 via the power receiving socket 14, the power adapter 20 is:
- a power supply plug 24 connected to the power receiving socket 14 of the monitor 10 to supply power
- the power adapter 20 receives power from the power transmission unit 13 of the monitor 10 and supplies power only to the control unit 23 of the power adapter.
- the output power of the power supply unit 26, which will be described later, is supplied to the monitor 10, thereby at least one pair of diodes D2 and D3 configured to prevent reverse current flow.
- a configuration further comprising a regulator is optionally possible);
- At least one microprocessor for receiving, calculating, comparing, determining and processing various data of the power adapter 20 to control the function of the power adapter 2.
- Control unit 23 to perform;
- a switching unit 25 including at least one triac and / or a relay as a means for supplying or blocking AC power to the power adapter 20 under the control of the control unit 23;
- a power supply unit 26 which is a means for making and supplying the power required for the monitor 10 when the power is supplied from the switching unit 25 (the configuration of the power supply unit is according to the conventional one in the art);
- a monitor 10 connected between the backflow prevention unit 21 and the power supply unit 26 and including an amplifier for converting the at least one resistor R1 and the sensed voltage so that the control unit 23 can determine the monitor 10.
- a current sensing unit 22 (the configuration of the current sensing unit uses a conventional one in the art) that functions as a current sensing element configured to sense a current supplied to the circuit.
- the monitor 10 further includes a power generation unit 16 connected from the connector 15.
- the power generation unit 16 includes diodes D5 and D4 connected in series, at least one transistor Q1 and a capacitor C1 connected between the diode, and the transistor. It is configured to include a zener diode ZD1 connected from at least one resistor 10K from the gist Q1.
- the power generation unit 16 does not receive + 5V power from the computer (for example Power supply to the power adapter 20 through the power transmission unit 13 of the monitor 10 'with the AC power cut off to the power adapter 20). It functions as a means for collecting and storing power from video signals.
- the configuration of the components except for the power generator 16 is essentially the same as those described with reference to FIG.
- the first backflow prevention part including at least one diode D1 in FIG. 1 is omitted in the embodiment of FIG. 2, because the diodes D5 and D4 of the power generation unit 16 may be omitted. This is because the backflow prevention function similar to the diode D1 can be sufficiently performed.
- the rest of the components except the display unit 11, that is, the control unit 12, the first backflow prevention unit D1, and the power transmission unit ( 13), part or all of the switching unit 17 and the power generating unit 16 are designed to be mounted on a general monitor product in a manufacturing plant, or separately designed as a product attachable with the power adapter according to the present invention. You may. Alternatively, these components may be designed to be integrally included in the power adapter of FIGS. 1 and / or 2 in accordance with the present invention, but this may only be modified as much as the design allows.
- control unit 12 of FIG. 1 and the control unit 23 of FIG. 2 include at least one microprocessor or a microcomputer, and include a memory for storing various sensing values or data necessary for performing an operation of the present invention. It can also be included internally.
- the input power of the power adapter is automatically turned off.
- the operation relationship of the power adapter and its control method which can be shortened will be described in detail with reference to the configuration of FIGS. 1 and 2 described above.
- the power supply Vcc necessary to operate the monitor 10 and the power adapter 20 in a state where the power is cut off may vary depending on the type of cables connected to the computer.
- the monitor cable connected to the computer is using a standard product, + 5V power is supplied from the computer, so that + 5V power can be supplied to Vcc.
- cables manufactured without the + 5V power cable are being distributed.
- the cable connected to the computer is not a standard standard. You will be in a situation where you will not receive + 5V from the computer.
- a power generation unit 16 as illustrated in FIG. 2, which collects, stores and supplies energy from the VGA signal, has a H—sync. , V-sync. The signal is charged through the diode D5 to the capacitor C1.
- the capacitor C1 is charged through the Tok diode D5, which can collect and store energy from the HDMI signals clock + and clock-signals (not shown).
- the capacitor C1 is charged and the voltage applied thereto is increased, and the voltage is stored until the voltage reaches the reference voltage Vzd.
- the FET switching element
- Ql is 'turned on' and fed to Vcc via diode D4 do.
- Vzd the reference voltage
- Vcc the configuration of the technical field According to the usual.
- the microcomputer U1 when the power supply Vcc is supplied from the power generating unit 16 to the microcomputer U1 of the control unit 12, the microcomputer U1 is initialized to control its output (01) to supply power.
- the drive section of the delivery section 13 is controlled so that the contacts a and c are connected.
- the power source Vcc is supplied to the microcomputer U2 of the control unit 23 through the diode D3 of the second backflow prevention unit 21 of the power adapter 20 through the contacts a and c.
- the microcomputer U2 is initialized and the output 03 is controlled to drive the triacs TRIl and TRI2 of the switching unit 25 to supply AC power to the power supply unit 26.
- the power supply unit 26 When the AC power is supplied as described above, the power supply unit 26 generates the power required for the monitor 10 through the diode D2 of the backflow prevention unit 21 through the resistor R2 of the current sensing unit 22. Supply the necessary power to the monitor (10). How to set the suppression mode for monitor power mode or power off mode
- the power supply Vcc of the power transmission unit 13 is supplied to the power adapter 20 through the contacts a and c and maintains a delay time for a predetermined time (for example, approximately 5 seconds), so that the monitor power saving mode or After waiting for the standby voltage VS to determine the power-off mode to be set, the microcomputer U1 of the control unit 12 of the monitor controls the output 04 to drive the switching unit 13 to thereby supply the power adapter 20.
- the output power of is supplied to the other circuits such as the display section 11 and / or the first switching section 17 as the power supply VDD through the contact point f, and the monitor 10 is displayed to operate normally. .
- the microcomputer U1 of the control unit 12 of the monitor 10 controls the output unit 01 to control the driving unit of the power transmission unit 13 to open the contacts a and c to open the contacts b and c. ), The power supply Vcc is blocked from being supplied to the adapter 20. Monitor node L mode / Control at power off
- the microcomputer U1 of the control unit 12 checks these signals, and if it does not input the above signal, it determines that the power saving mode monitors.
- the microcomputer U1 of the control unit 12 of the control unit 12 controls its output 04 to cut off the switching unit 17, thereby supplying the power supply VDD to the Daron circuit such as the display unit 11 through the contact f. Shut off the output power at (20).
- the current sensing unit 22 has no voltage difference between the both ends e and d of the resistor R1.
- the standby voltage value VS is input to the input II of the microcomputer U2 of the controller 23.
- the microcomputer U2 of the control unit 23 reads the value of the input II to determine that the monitor is in the power saving mode or the power-off state, controls its output 03 to control the switching unit 25 to be blocked. By doing so, it is possible to block the supply of AC power.
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Power Sources (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020197024134A KR102341645B1 (ko) | 2017-02-16 | 2018-02-19 | 낭비되는 전력을 차단하는 모니터 및 전원 어댑터 장치, 및 그 제어방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0020972 | 2017-02-16 | ||
KR1020170020972A KR20180094613A (ko) | 2017-02-16 | 2017-02-16 | 낭비전력을 차단하는 모니터 및 전원어댑터와 그 제어방법 |
Publications (2)
Publication Number | Publication Date |
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WO2018151558A2 true WO2018151558A2 (ko) | 2018-08-23 |
WO2018151558A3 WO2018151558A3 (ko) | 2018-10-11 |
Family
ID=63169530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2018/001987 WO2018151558A2 (ko) | 2017-02-16 | 2018-02-19 | 낭비되는 전력을 차단하는 모니터 및 전원 어댑터 장치, 및 그 제어방법 |
Country Status (2)
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KR (2) | KR20180094613A (ko) |
WO (1) | WO2018151558A2 (ko) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100536577B1 (ko) * | 1998-06-10 | 2006-03-20 | 삼성전자주식회사 | 휴대용 전자 장치의 서지/돌입 전류 제한 회로 |
KR20100079878A (ko) * | 2008-12-31 | 2010-07-08 | 한국과학기술원 | 대기전력차단 기능을 가진 컴퓨터 주변기기의 아답터 일체형 컴퓨터 전원 장치 |
KR101175674B1 (ko) * | 2010-01-12 | 2012-08-22 | 김창호 | 컴퓨터 주변기기의 대기전력 차단 장치 |
WO2013147489A1 (ko) * | 2012-03-26 | 2013-10-03 | Kim Chang-Ho | 대기전력을 차단하는 충전장치 및 그 제어방법 |
WO2013154333A1 (ko) | 2012-04-09 | 2013-10-17 | Kim Chang-Ho | 대기전력을 차단하는 기능을 갖는 전원장치 및 그 제어방법 |
KR101482497B1 (ko) * | 2014-04-21 | 2015-01-13 | 김창호 | 컴퓨터 주변기기의 대기전력차단장치 |
KR20160018241A (ko) * | 2014-08-08 | 2016-02-17 | 삼성전자주식회사 | 디스플레이장치, 전원공급장치 및 그 전원공급방법 |
-
2017
- 2017-02-16 KR KR1020170020972A patent/KR20180094613A/ko unknown
-
2018
- 2018-02-19 KR KR1020197024134A patent/KR102341645B1/ko active IP Right Grant
- 2018-02-19 WO PCT/KR2018/001987 patent/WO2018151558A2/ko active Application Filing
Also Published As
Publication number | Publication date |
---|---|
KR20190109465A (ko) | 2019-09-25 |
WO2018151558A3 (ko) | 2018-10-11 |
KR20180094613A (ko) | 2018-08-24 |
KR102341645B1 (ko) | 2021-12-21 |
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