CN101957646B - Computer power supply for quasi-zero-power consumption standby - Google Patents
Computer power supply for quasi-zero-power consumption standby Download PDFInfo
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- CN101957646B CN101957646B CN200910152158.XA CN200910152158A CN101957646B CN 101957646 B CN101957646 B CN 101957646B CN 200910152158 A CN200910152158 A CN 200910152158A CN 101957646 B CN101957646 B CN 101957646B
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- 230000002093 peripheral effect Effects 0.000 abstract description 15
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- 238000007600 charging Methods 0.000 description 9
- 101150012579 ADSL gene Proteins 0.000 description 5
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 5
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- 230000005611 electricity Effects 0.000 description 3
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- 230000002618 waking effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The invention discloses a computer power supply for quasi-zero-power consumption standby. The computer power supply comprises an ATX power supply, an alternating current output socket and a standby control circuit, wherein the standby control circuit comprises a storage capacitor, a relay control circuit and a voltage trigger circuit; the storage capacitor is connected between an SB wire and a ground wire of the power supply; the relay control circuit is connected in parallel with the storage capacitor; the output end of the trigger circuit is connected with the relay control circuit; a PS-ON wire of the power supply is also connected with the relay control circuit; the output end of a relay is connected in series in an alternating current input circuit of the ATX power supply after being connected in parallel with a button switch; and the alternating current output socket is connected in parallel with the ATX power supply. The computer power supply has the advantages that: when a computer is standby or shutdown, the ATX power supply and an alternating current circuit of peripheral equipment can be switched off automatically and the storage capacitor supplies power to a mainboard continuously, so that the standby power consumption of the power supply per se and the peripheral equipment of the computer is eliminated substantially; when the computer is booted, the alternating current circuit can be switched on automatically, which is convenient and saves energy; and the control circuit has the characteristics of simple structure, low cost and easy implementation.
Description
Technical field
The invention belongs to computer power field, particularly relate to a kind of computer power controlling computer and peripheral equipment stand-by power consumption thereof.
Background technology
Computer standby or shutdown time, most people do not pull out the custom of the switch of plug or closedown socket, if do not pull out the switch of plug or closedown socket, then ATX computer power itself, the mainboard of computer, display, printer, ADSL, the equipment such as audio amplifier are all also in power consumption, the standby power consumption of each equipment is as follows after tested: ATX power supply about 4W itself, the mainboard of computer is less than 0.7W, display is about 8W, printer is about 12W, ADSL is about 4W, audio amplifier 4W, can be found out by the effect analyzing these parts or electricity consumption of equipment, the power consumption of computer main board is only had to be effective power consumption when computer standby or shutdown, wake up and the functions such as remote opening for keeping keyboard and mouse, and ATX power supply itself, display, printer, ADSL, the power consumption of audio amplifier is all invalid power consumption, therefore during computer standby, effective power consumption is only had an appointment 0.7W, during shutdown, above-mentioned power consumption is invalid power consumption entirely, all invalid power consumptions add up general all more than 25W, if every platform computer time cumulation that is standby and shutdown average every day is 16 hours, invalid power consumption only calculates by average 15W, then power consumption every day 0.24 degree, annual standby power consumption about 88 degree, more than 7,000 ten thousand computers in the whole nation, annual standby power consumption amount is more than 6,000,000,000 degree.
Under existing technical conditions, the standby energy consumption of computer is reduced to optimal situation should be: only retain effective power consumption, eliminates all invalid power consumptions, namely only retains the standby power consumption of mainboard, wakes power up function up to ensure that it has.
Application number be 200720131610.0 Chinese patent provide a kind of Zero power consumption controller when computer on standby, the function of AC power can be cut off when achieving shut down of computer, the object of computer and peripherals zero-power when reaching shutdown, its weak point is that this device makes computer lose idle function, when after " standby " of clicking shutdown interface with mouse or the Close button, this device just cuts off alternating circuit, cause using keyboard, mouse wakes up and remote opening function, can only manually start shooting, computer function is lacked, the use of this device is phone-line-powered in addition makes the wiring of computer become more complicated, market also has some have the socket of teleswitch function, also can cut off the electricity supply during shutdown, its weak point is complex structure, and cost is higher, and when standby, this device itself also exists power consumption.
Summary of the invention
In order to overcome the deficiency that prior art exists, the object of the invention is to make computer automatically can cut off the alternating circuit of computer power itself and peripherals when standby or shutdown, can also continue to main board power supply to ensure that computer has keyboard, mouse wakes up and remote opening function after cutting off alternating circuit, automatically alternating circuit can be connected again when starting shooting, thus eliminate invalid stand-by power consumption, economize energy.
A kind of computer power of quasi-zero power consumption standby, comprise ATX power supply, reset button switch, exchange accessory power outlet and readiness control circuit, it is characterized in that: readiness control circuit comprises storage capacitor, control relay circuit and voltage triggering circuit, storage capacitor is connected between+5VSB the power lead of ATX power supply and ground wire; Control relay circuit comprises relay and double control switch circuit, in parallel with storage capacitor after relay input end and double control switch circuit connected in series; Voltage triggering circuit and storage capacitor parallel connection, the output terminal of trigger circuit is connected with a control end of double control switch circuit, and the PS-ON signal wire of ATX power supply is connected with another control end of double control switch circuit; Be connected in the ac input circuit of ATX power supply after the output terminal of relay and reset button switch in parallel; Exchange accessory power outlet and ATX power sources in parallel.
The computer power of a kind of quasi-zero power consumption standby of the present invention, be further characterized in that: described voltage triggering circuit comprises diode, provides the electric capacity of reference voltage and voltage comparator circuit, the anode of diode connects+5VSB power lead, the negative electrode of diode connects the electric capacity providing reference voltage, the other end ground connection of this electric capacity, diode is connected with the reverse input end of voltage comparator circuit with the junction of electric capacity; Voltage comparator circuit comprises voltage comparator, resistance R1, resistance R2, pull-up resistor R3, resistance R4 and for the electric capacity C3 of time delay, resistance R1 and resistance R2 is in parallel with storage capacitor after connecting, resistance R1 is connected with the in-phase input end of voltage comparator with the link of resistance R2, the output terminal of voltage comparator is connected with electric capacity C3, the other end ground connection of electric capacity C3, the output terminal of voltage comparator is also connected with a control end of double control switch circuit by resistance R4.
The computer power of a kind of quasi-zero power consumption standby of the present invention, be further characterized in that: the comparator circuit that described voltage comparator is single limit comparer or hysteresis comparator or is made up of amplifier, if select non-open collector formula voltage comparator, then pull-up resistor R3 can omit.
The computer power of a kind of quasi-zero power consumption standby of the present invention, be further characterized in that: described double control switch circuit is two PNP type triode compositions in parallel, the base stage of a triode is connected with the PS-ON signal wire of ATX power supply, and the base stage of another triode is connected with the output terminal of voltage comparator circuit.
The present invention is the improvement to existing ATX Switching Power Supply, after computer just connects electric main, click pushbutton switch, ATX power supply obtains electric, + 5VSB output terminal exports+5V direct current, storage capacitor is charged rapidly, reference capacitance is also charged, because the diode that reference capacitance is connected has dividing potential drop effect, so the voltage on reference capacitance is lower than the voltage on storage capacitor, after release button switch, the alternating circuit of ATX power supply is cut off, the Non-energy-consumption of power supply own, now by storage capacitor to the main board power supply of computer, if do not started shooting for a long time, the electric energy of storage capacitor is consumed, voltage reduces gradually, voltage between divider resistance R1 and R2 is lower than after the voltage on reference capacitance, voltage comparator output terminal overturns, low level is become from high level, trigger PNP type triode conducting, relay works, connect alternating circuit, ATX power supply again electric, storage capacitor charges again, voltage recovery, exceed the voltage on reference capacitance when voltage after, voltage comparator overturns again, output terminal becomes high level from low level, delay capacitor is charged, just can end after the process of charging makes triode time delay a period of time, ensure that storage capacitor obtains enough duration of charging, triode cut-off makes the output terminal of relay disconnect, again cut off alternating circuit, main board power supply is continued as by storage capacitor, the energising of ATX energy supply periodic so repeatedly can be made to be storage capacitor charging, storage capacitor is main board power supply continuously, because the time of ATX capable AC energising is very short, thus make the power supply overwhelming majority time be in the state exchanging and disconnect, so the average power consumption of power supply is close to zero.
When booting computer, PS-ON signal wire becomes low level, trigger the PNP type triode conducting be attached thereto and be also in saturation conduction state always, on storage capacitor electric energy make relay startup work, connect alternating circuit, ATX power supply obtains electric normal work, and the input current of relay changes and continued to provide by+5VSB power supply, and computer normally works.
When computer needs standby or shutdown, after " standby " of clicking shut down of computer interface with mouse or the Close button, PS-ON signal wire becomes high level, make the triode cut-off be attached thereto, relay quits work, computer enters standby or off-mode, now alternating circuit is cut off, ATX power supply quits work, be that mainboard is powered continuously by storage capacitor, after electric quantity consumption voltage reduces, voltage comparator circuit triggers again double control switch circuit turn-on and makes relay work, connect alternating circuit, for storage capacitor charging, alternating circuit is cut off again after having rushed electricity, so repeatedly, be main board power supply continuously by storage capacitor, both ensure that computer normally can use keyboard, mouse wakes the function with remote opening up, make again significantly reduce the conduction time of power supply, essentially eliminate the stand-by power consumption of ATX power supply.
Exchange the plug that accessory power outlet is used for connection porous socket, porous socket is for connecting the attaching plug of computer peripheral, comprise display, printer, ADSL, audio amplifier etc., owing to exchanging accessory power outlet and ATX power sources in parallel, when computer standby or shutdown, the circuit exchanging accessory power outlet is also simultaneously severed, and only during storage capacitor charger, has of short duration connection, thus essentially eliminates the stand-by power consumption of computer peripheral.
Further improvement of the present invention: the normally closed switch of a series connection relay in the supply line exchanging accessory power outlet, the positive pole of Control end is connected on the direct supply output line of computer power, such as redness+5V power lead or yellow+12V power lead, the minus earth of Control end, this just can make computer standby or shutdown time, exchange accessory power outlet and be in dissengaged positions always, completely eliminate the stand-by power consumption of computer peripheral.
The computer power of a kind of quasi-zero power consumption standby of the present invention, is further characterized in that: described relay can be all solid-state relay or electromagnetic relay or other any photoelectric coupling switch components and parts.
Compared with prior art, advantage is in the present invention: when computer standby or shutdown, can automatically cut off the alternating circuit of ATX power supply and peripherals, thus essentially eliminate the stand-by power consumption of power supply itself and computer peripheral, greatly save electric energy; Automatically can also connect alternating circuit when booting computer, both not reduce waking up and remote opening function of computer, also do not increased the step of people's normal running, not only energy-conservation but also facilitate; This circuit structure is simple, and cost is extremely low, easy to implement, popularization.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the embodiment of the present invention 1;
Fig. 2 is the circuit diagram of the embodiment of the present invention 2;
Fig. 3 is the rear view of outer casing of power supply of the present invention.
Embodiment
Embodiment 1: according to Fig. 1, in readiness control circuit, storage capacitor C2 is connected between+5VSB the power and ground of ATX power supply; In parallel with storage capacitor C2 after the input end of relay SSR and double control switch circuit connected in series; Voltage triggering circuit and storage capacitor C2 parallel connection, the output terminal of trigger circuit is connected with a control end 1 of double control switch circuit, and the PS-ON signal wire of ATX power supply is connected with another control end 2 of double control switch circuit; Voltage triggering circuit is made up of diode D1, electric capacity C1 and voltage comparator circuit, the anode of diode D1 connects+5VSB power lead, the negative electrode of diode D1 meets electric capacity C1, the other end ground connection of electric capacity C1, diode D1 is connected with the reverse input end of voltage comparator A in voltage comparator circuit with the junction of electric capacity C1; Voltage comparator circuit comprises voltage comparator A, resistance R1, resistance R2, resistance R3, resistance R4 and the electric capacity C3 for time delay, resistance R1 and resistance R2 is in parallel with storage capacitor C2 after connecting, resistance R1 is connected with the in-phase input end of voltage comparator A with the link of resistance R2, the output terminal of voltage comparator A is connected with electric capacity C3, the other end ground connection of electric capacity C3, resistance R3 is connected between the positive pole of electric capacity C2 and the output terminal of voltage comparator A, and the output terminal of voltage comparator A is also connected with a control end 1 of double control switch circuit by resistance R4; Above-mentioned double control switch circuit is made up of two PNP type triode T1, T2 in parallel, the ground level of triode T1, T2 is respectively two control ends 1,2 of double control switch circuit, the base stage of triode T1 is connected with the output terminal of voltage comparator circuit, and the base stage of triode T2 is connected with the PS-ON signal wire of ATX power supply.Be connected in the ac input circuit of ATX power supply after the output terminal of relay SSR is in parallel with reset button K switch 1; Exchange accessory power outlet 3 and ATX power sources in parallel.
In this embodiment, electric capacity C2 selects 60F super capacitor, diode D1 selects red light emitting diodes, its pressure drop is about 1.6V, electric capacity C1 can be made to remain the voltage of 3.4V, R1 gets 51K, R2 gets 200K, standby or shutdown time, when the voltage of electric capacity C2 drops to about below 4.27V, voltage on resistance R2 just drops to below 3.4V thereupon, lower than the reference voltage that electric capacity C1 provides, it is low level that the output terminal of comparer A is overturn by high level, triode T1 conducting, solid-state relay SSR works, connect AC power, it is that super capacitor C2 charges that SB power lead exports+5V direct current, the voltage of super capacitor C2 is made to increase fast, after its voltage is more than 4.27V, the output terminal upset of comparer A is high level, but because electric capacity C3 charging needs a period of time, so the control end 1 of double control switch circuit can could raise by time delay a period of time voltage gradually, triode T1 can extend a period of time could be ended, such solid-state relay SSR also can extend a period of time and just can cut off AC power, thus extend the duration of charging of super capacitor C2, the voltage of super capacitor C2 is made to return to 5V, the whole charging process time of about 20 seconds, be main board power supply by super capacitor C2 during+5VSB power supply no-output voltage after alternating circuit is cut-off, to maintain waking up of its keyboard and mouse, remote opening, the functions such as timing start-up, standby or when shutting down the electric current of mainboard is about 0.14A, the time that then voltage of super capacitor C2 drops to 4.27V needs from 5V is about 310 seconds, so about every 6 minutes super capacitor C2 automatic chargings once, about 20 seconds duration of charging, the working time of ATX power supply only has 6% of shutdown or standby T.T., thus the stand-by power consumption of power supply itself has been reduced to original about 6%, within the time of 94%, the power consumption of power supply and computer peripheral device is zero, greatly reduce standby energy consumption.
Embodiment 2: as seen in Figure 2, embodiment 2 is with the difference of embodiment 1, the normally closed switch KJ of a series connection relay J in the supply line exchanging accessory power outlet 3, the positive pole of relay J control end is connected on the 12V direct supply output line of ATX power supply, the minus earth of relay J control end, the plus earth of diode D2, the positive pole of negative electrode contact relay J control end, the circuit that diode D2 is formed is the discharge loop of relay J.The present embodiment can make computer standby or shutdown time, exchange accessory power outlet be in dissengaged positions always, completely eliminate the stand-by power consumption of computer peripheral.
Fig. 3 is the rear view of outer casing of power supply of the present invention, accessory power outlet 3 is exchanged in the below exchanging input plug 4 in figure, exchange the plug of accessory power outlet 3 for connection porous socket, porous socket is for connecting display, printer, ADSL, the attaching plug of the computer peripherals such as audio amplifier, for peripherals provides AC power, the side of input plug 4 arranges a button switch K 1, need to click button switch K 1 during first time start after being powered up, owing to exchanging accessory power outlet and ATX power sources in parallel, when computer standby or shutdown, solid-state relay SSR also cuts off the circuit exchanging accessory power outlet while cutting off ATX power supply, essentially eliminate the stand-by power consumption of computer peripheral.
Claims (4)
1. the computer power of a quasi-zero power consumption standby, comprise ATX power supply, reset button K switch 1, exchange accessory power outlet (3) and readiness control circuit, it is characterized in that: readiness control circuit comprises storage capacitor C2, control relay circuit and voltage triggering circuit, storage capacitor C2 is connected between+5VSB the power and ground of ATX power supply; Control relay circuit comprises relay SSR and double control switch circuit, in parallel with storage capacitor C2 after relay SSR input end and double control switch circuit connected in series; Voltage triggering circuit and storage capacitor C2 parallel connection, the output terminal of trigger circuit is connected with a control end (1) of double control switch circuit, and the PS-ON signal wire of ATX power supply is connected with another control end (2) of double control switch circuit; Be connected in the ac input circuit of ATX power supply after the output terminal of relay SSR is in parallel with reset button K switch 1; Exchange accessory power outlet (3) and ATX power sources in parallel;
Described voltage triggering circuit comprises diode D1, electric capacity C1 and voltage comparator circuit, the anode of diode D1 connects the+5VSB power lead of ATX power supply, the negative electrode of diode D1 meets electric capacity C1, the other end ground connection of electric capacity C1, diode D1 is connected with the reverse input end of voltage comparator circuit with the junction of electric capacity C1;
Described voltage comparator circuit comprises voltage comparator A, resistance R1, resistance R2, resistance R3, resistance R4 and the electric capacity C3 for time delay, resistance R1 and resistance R2 is in parallel with storage capacitor C2 after connecting, resistance R1 is connected with the in-phase input end of voltage comparator A with the link of resistance R2, the output terminal of voltage comparator A is connected with electric capacity C3, the other end ground connection of electric capacity C3, resistance R3 is connected between the positive pole of electric capacity C2 and the output terminal of voltage comparator A, the output terminal of voltage comparator A is also connected with a control end (1) of double control switch circuit by resistance R4,
Described double control switch circuit is made up of two PNP type triode T1, T2 in parallel, the ground level of triode T1, T2 is respectively two control ends (1,2) of double control switch circuit, the base stage of triode T1 is connected with the output terminal of voltage comparator circuit, and the base stage of triode T2 is connected with the PS-ON signal wire of ATX power supply.
2. the computer power of a kind of quasi-zero power consumption standby according to claim 1, it is characterized in that: the normally closed switch KJ of a relay J of connecting in the supply line of described interchange accessory power outlet, the positive pole of relay J control end is connected on the direct supply output line of ATX power supply, the minus earth of relay J control end.
3. the computer power of a kind of quasi-zero power consumption standby according to claim 1, is characterized in that: the comparator circuit that described voltage comparator A is single limit comparer or hysteresis comparator or is made up of amplifier.
4. the computer power of a kind of quasi-zero power consumption standby according to claim 1, is characterized in that: described relay SSR is solid-state relay or electromagnetic relay or photoelectric coupling switch components and parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910152158.XA CN101957646B (en) | 2009-07-14 | 2009-07-14 | Computer power supply for quasi-zero-power consumption standby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910152158.XA CN101957646B (en) | 2009-07-14 | 2009-07-14 | Computer power supply for quasi-zero-power consumption standby |
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| CN101957646A CN101957646A (en) | 2011-01-26 |
| CN101957646B true CN101957646B (en) | 2015-02-25 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102946132A (en) * | 2012-10-15 | 2013-02-27 | 翟星渌 | Method for automatically charging undervoltage rechargeable battery of energy-saving domestic appliance standby system |
| CN109471565B (en) * | 2017-09-07 | 2024-04-05 | 上海峰宁信息科技股份有限公司 | Touch switch screen and touch delay circuit of electronic blackboard |
| CN108063559B (en) * | 2017-11-20 | 2020-07-07 | 中山市尊宝实业有限公司 | Standby state ultra-low power consumption power supply |
| CN110504699A (en) * | 2019-08-29 | 2019-11-26 | 宁波三星医疗电气股份有限公司 | A kind of energy-storage units, intelligent meter and intelligent meter system |
| CN110837287B (en) * | 2019-10-17 | 2021-03-02 | 广州金升阳科技有限公司 | Restart circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008010972A (en) * | 2006-06-27 | 2008-01-17 | Funai Electric Co Ltd | Power supply control apparatus, and television receiver |
| CN101154126A (en) * | 2006-09-25 | 2008-04-02 | 佛山市顺德区顺达电脑厂有限公司 | Periodic switch control device of electric power supply |
| CN201145881Y (en) * | 2008-01-21 | 2008-11-05 | 彭勇刚 | Auto-power-off, zero power consumption standby computer power supply controller |
-
2009
- 2009-07-14 CN CN200910152158.XA patent/CN101957646B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008010972A (en) * | 2006-06-27 | 2008-01-17 | Funai Electric Co Ltd | Power supply control apparatus, and television receiver |
| CN101154126A (en) * | 2006-09-25 | 2008-04-02 | 佛山市顺德区顺达电脑厂有限公司 | Periodic switch control device of electric power supply |
| CN201145881Y (en) * | 2008-01-21 | 2008-11-05 | 彭勇刚 | Auto-power-off, zero power consumption standby computer power supply controller |
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Effective date of registration: 20171222 Address after: Qin Nan Zhen Beverly village in Jiangsu province in 224021 Yancheng City District eight group No. 51 Patentee after: Huan Desheng Address before: 243000 No. 19 Hongqi South Road, Ma'anshan Economic Development Zone, Anhui Patentee before: Qian Hege |
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