CN101976107B - Power supply of zero-standby power consumption computer - Google Patents
Power supply of zero-standby power consumption computer Download PDFInfo
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- CN101976107B CN101976107B CN2010105513000A CN201010551300A CN101976107B CN 101976107 B CN101976107 B CN 101976107B CN 2010105513000 A CN2010105513000 A CN 2010105513000A CN 201010551300 A CN201010551300 A CN 201010551300A CN 101976107 B CN101976107 B CN 101976107B
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Abstract
The invention relates to a power supply of a zero-standby power consumption computer, which comprises a control part and a controlled part, wherein the control part comprises a rectifier filter circuit, a DC/DC transforming circuit, a DC voltage filter output circuit, a starting circuit, a PWM (Pulse Width Modulation) control circuit, a relay SK1, a control circuit and a digital circuit which is connected with a computer motherboard; the control circuit is connected with a switch S1 of a host and the PWM control circuit; the PWM control circuit is connected with the starting circuit and the DC/DC transforming circuit; the rectifier filter circuit is connected with an AC input end, a relay, the starting circuit and the DC/DC transforming circuit; the DC voltage filter output circuit is connected with the digital circuit, the relay and the DC/DC transforming circuit; the relay is connected with the controlled part; and the digital circuit is connected with the controlled part by the computer motherboard. The power consumption of the computer of the invention is zero in a standby mode; and the computer can be started manually as well as closed automatically or manually, and has simple structure.
Description
Technical field
The present invention relates to the computer power technical field, relate in particular to a kind of zero stand-by power consumption computer power.
Background technology
Computing machine trust property is constantly increased with people in the work in daily life, the owning amount of computing machine also is being doubled and redoubled, and along with global energy is supplied with more and more anxiety, the energy consumption issues of computing machine has caused the attention of various countries.Want to slow down the human influence that in the process of using a computer, the energy is brought, effective means is exactly to reduce the power consumption of computing machine.Reducing band carries power consumption to improve a conversion efficiency is the most tangible needs.But the power consumption that computing machine is not carried out under any active standby mode is ignored the most easily.In fact, as long as all electric equipments are connected with the mains, can not produce electric energy loss even do not start shooting yet; And this standby power consumption amount is quite huge; U.S. Lawrence Berkley National Laboratory estimates that in the total electricity charge in 1 year of American family, standby and open circuit loss are above 5,000,000,000 dollars.According to International Energy Agency (IEA) (IEA) statistics, family's power consumption of 5% to 15% (because of countries/different) all generations under standby mode; EU Committee estimates that the European Union area produces the 50 standby power consumption amounts of kilowatt hour (TWh) too every year approximately.The meeting of saving this type of stand-by power consumption is equipped with the power house of whole country and requires to have a direct impact, and, the key content in the efficiency rules that it has become each regulator is issued.EU Committee has issued energy-consuming product instruction Lot 6 to the standby and the shutdown mode loss of energy-consuming product (EuP).Come into force at the beginning of the Lot 6 in 2009, its requirement is more stricter than in the past.From 2010, the stand-by power consumption of new product must be lower than 1 watt.By 2011, concrete numerical value will further reduce.Though most of on the market at present product can meet relevant criterion, and is superior to these relevant criterion, also there is not product can accomplish really that the power consumption under the standby mode is zero at present.
Chinese invention patent (application number: 200810219276) disclose a kind of computer power; It comprises high-level efficiency DC/AC translation circuit, alternating voltage output circuit, is used to control intelligence control circuit, the power factor corrector that is used for regulated output voltage and the PWM control circuit of voltage output; The input end of said high-level efficiency DC/AC translation circuit is connected with the output terminal of DC/DC translation circuit; The output terminal of high-level efficiency DC/AC translation circuit is connected with the input end of alternating voltage output circuit, and the output terminal of alternating voltage output circuit is connected with the external unit of computer; The input end of said power factor corrector and PWM control circuit is connected with the output terminal of current rectifying and wave filtering circuit; The output terminal of power factor corrector and pwm control circuit is connected with the input end of DC/DC translation circuit, the input end of 5VSB stand-by circuit respectively; This computer power still can power consumption under the computer standby mode, causes the electric weight waste.
Summary of the invention
The objective of the invention is to be directed against the deficiency of prior art and a kind of computer power consumption under standby mode is provided is zero, and can manually start shooting, and shuts down zero stand-by power consumption computer power simple in structure automatically or manually.
The object of the invention is realized through following technical measures: a kind of zero stand-by power consumption computer power; Comprise control section and controlled part; Control section comprises current rectifying and wave filtering circuit, DC/DC translation circuit, dc voltage filtering output circuit, start-up circuit, pwm control circuit, relay SK1, control circuit, and the digital circuit that is connected with computer main board;
Control circuit is connected with the switch S 1 of host computer, and the output terminal of control circuit is connected with the first input end of pwm control circuit;
The first input end of current rectifying and wave filtering circuit is connected with the L line of AC; Second input end of current rectifying and wave filtering circuit is connected with the N line of AC; First output terminal of current rectifying and wave filtering circuit is connected with the input end of start-up circuit; Second output terminal of current rectifying and wave filtering circuit is connected with second input end of pwm control circuit, and second output terminal of current rectifying and wave filtering circuit, the 3rd output terminal of current rectifying and wave filtering circuit are connected with the first input end of DC/DC translation circuit, second input end of DC/DC translation circuit respectively;
First output terminal of DC/DC translation circuit, second output terminal of DC/DC translation circuit are connected with dc voltage filtering output circuit first input end, dc voltage filtering output circuit second input end respectively, and the first input end of DC/DC translation circuit is connected with the 3rd input end of pwm control circuit;
The output terminal of start-up circuit is connected with the four-input terminal of pwm control circuit;
Dc voltage filtering output circuit first output terminal is connected with the control winding of relay SK1, controlled part;
Dc voltage filtering output circuit second output terminal, dc voltage filtering output circuit the 3rd output terminal are connected with the first input end of digital circuit, second input end of digital circuit respectively;
Computer main board is connected with controlled part;
The first input end of relay SK1 is connected with the L line of AC, and second input end of relay SK1 is connected with the N line of AC, and first output terminal of relay SK1, second output terminal of relay SK1 are connected with controlled part.
Wherein, controlled part comprises computer power current rectifying and wave filtering circuit, computer power pwm control circuit, computer power dc voltage output circuit, computer power intelligence control circuit and controlled device interface;
First output terminal of relay SK1, second output terminal of relay SK1 are connected with the first input end of controlled device interface, second input end of controlled device interface respectively;
First output terminal of relay SK1, second output terminal of relay SK1 are connected with the first input end of computer power current rectifying and wave filtering circuit, second input end of computer power current rectifying and wave filtering circuit respectively;
First output terminal of computer power current rectifying and wave filtering circuit, second output terminal of computer power current rectifying and wave filtering circuit are connected with the first input end of computer power pwm control circuit, second input end of computer power pwm control circuit respectively;
First output terminal of computer power pwm control circuit, second output terminal of computer power pwm control circuit are connected with the first input end of computer power dc voltage output circuit, second input end of computer power dc voltage output circuit;
The 3rd input end of computer power pwm control circuit is connected with the output terminal of computer power intelligence control circuit;
The first input end of computer power intelligence control circuit is connected with the output terminal of computer main board; Second input end of computer power intelligence control circuit is connected with the output terminal of computer power dc voltage output circuit, and computer power dc voltage output circuit the 3rd input end is connected with first output terminal of dc voltage filtering output circuit, the control winding of relay SK1.
Wherein, the pwm control circuit of control section comprises circuit chip SU1, electric capacity SC2, SC3, SC4, SC5; The pin one of SU1 is connected with SC2 one end; The pin two of SU1 is connected with SC3 one end; The pin 3 of SU1 is connected with the positive pole of SC4; The pin 4 of SU1 is connected with SC5 one end; The pin 5 of SU1, the pin 8 of SU1 are connected with the DC/DC translation circuit; The other end of SC2, the other end ground connection of the negative pole of SC4, SC5; The other end of SC3 is connected with control circuit.
Wherein, the digital circuit of control section comprises integrated chip SU2, resistance SR8, SR9, electric capacity SC9, triode SQ1, diode SD5 and relay switch SK2;
The output terminal of relay switch SK2 is connected with computer main board;
The pin two of SU2 is connected with the negative pole of the pin of SU2 6, SC9, the end of SR8;
The pin 3 of SU2 is connected with SR9 one end;
The pin 4 of SU2 is connected with the emitter of SQ1, the positive pole of SC9;
The 2nd pin of the positive level of the other end of the pin one of SU2 and the other end of SR8, SR9, the ground level of SQ1, SD5, the control winding of relay switch SK2 is connected;
The collector of SQ1 is connected with the 1st pin of the control winding of the negative pole of SD5, relay switch SK2.
Wherein, the circuit of control section also comprises rectifier bridge SBD1, electric capacity SC1, SC6, SC7, SC8; Resistance SR1, SR2, SR3, SR4, SR5, SR6, SR7, photoelectrical coupler SU3, voltage stabilizer SU4, diode SD1, SD2, SD3, SD4; Transformer ST1, lightning arrester SF1;
3 pin of SBD1 are connected with the zero line of AC electrical network;
The minus earth of 4 pin of SBD1 and SC1 negative pole, SC4;
2 pin of SBD1 are connected with the elementary tx4 pin of the end of SR1, ST1, the positive pole of SC1;
The other end of SR1 is connected with the end of SR2;
The other end of SR2 is connected with the pin one of SU1;
The negative pole of SD1 is connected with the pin of SU1 3, and the positive pole of SD1 is connected with the elementary tx2 pin of ST1;
The elementary tx1 pin of ST1 is connected with the pin 5 of SU1,1 pin of SU3 connects;
The elementary tx3 pin of ST1 is connected with the pin 8 of SU1;
2 pin of the negative pole of the secondary tx5 pin of ST1 and the negative pole of SC8, SC7, the control winding of SK1 are connected;
The secondary tx6 pin of ST1 is connected with the positive pole of SD2;
The negative pole of SD2 and the positive pole of SC7, the pin 8 of the positive pole of SC8, the positive pole of SD4, SU2 connects;
The negative pole of SD4 is connected with 1 pin of the control winding of the negative pole of SD3, SK1;
The end of the end of SR3, the end of SR4, SR6 is connected with the pin 8 of SU2, the pin 4 of SU2;
The other end of SR3 is connected with 4 pin of SU3;
The other end of SR4 is connected with the end of SR5, the output terminal of SU4,3 pin of SU3;
The SR5 other end is connected with the end of SC6;
The SC6 other end is connected with the other end of SR6, the end of SR7, the input end of SU4;
The other end of SR7 and the earth terminal of SU4, the pin one ground connection of the positive pole of SD5, the ground level of SQ1, SU2;
SF1 one end is connected with phase line L, and the other end is connected with 1 pin of SBD1;
2 pin of SU3 are connected with the pin 4 of SU1.
Wherein, Control circuit comprises inductance SL1, and the auxiliary winding of SL1 is connected with switch S 1, and the main winding of SL1 comprises two terminals; First terminals are connected with the SC3 other end, second terminals and the SC2 other end, the negative pole of SC4, the other end of SC5, the 1 pin ground connection of SU3.
Wherein, the SL1 of control circuit adopts annular inductance NPP050-125.
Wherein, the model of the high density integrated circuit having chip SU1 of pwm control circuit is XY-6103.
Wherein, relay SK1 is a unicoil bistable state guard relay.
Wherein, the model of the integrated chip SU2 of digital circuit is NE555.
Beneficial effect of the present invention is: a kind of zero stand-by power consumption computer power; Comprise control section and controlled part; Control section comprises current rectifying and wave filtering circuit, DC/DC translation circuit, dc voltage filtering output circuit, start-up circuit, pwm control circuit, relay SK1, control circuit, and the digital circuit that is connected with computer main board; Control circuit is connected with the switch S 1 of host computer, the input end of control circuit and the output terminal of pwm control circuit be connected; The first input end of current rectifying and wave filtering circuit is connected with the L line of AC; Second input end of current rectifying and wave filtering circuit is connected with the N line of AC; First output terminal of current rectifying and wave filtering circuit is connected with the input end of start-up circuit; Second output terminal of current rectifying and wave filtering circuit is connected with second input end of pwm control circuit, and second output terminal of current rectifying and wave filtering circuit, the 3rd output terminal of current rectifying and wave filtering circuit are connected with the first input end of DC/DC translation circuit, second input end of DC/DC translation circuit respectively; First output terminal of DC/DC translation circuit, second output terminal of DC/DC translation circuit are connected with dc voltage filtering output circuit first input end, dc voltage filtering output circuit second input end respectively, and the first input end of DC/DC translation circuit is connected with the 3rd input end of pwm control circuit; The output terminal of start-up circuit is connected with the four-input terminal of pwm control circuit; Dc voltage filtering output circuit first output terminal is connected with the control winding of relay SK1, controlled part; Dc voltage filtering output circuit second output terminal, dc voltage filtering output circuit the 3rd output terminal are connected with the first input end of digital circuit, second input end of digital circuit respectively;
Computer main board is connected with controlled part; The first input end of relay SK1 is connected with the L line of AC, and second input end of relay SK1 is connected with the N line of AC, and first output terminal of relay SK1, second output terminal of relay SK1 are connected with controlled part.Not starting shooting when computer power is in standby mode following time, and its relay is in disconnection, and whole power supply product does not have the AC input, makes that the computer stand-by power consumption is zero.When starting host computer, manually press the switch S 1 of computer after, control section moment works; Trigger relay SK1 then; And then impel controlled part to get into mode of operation, and this moment, the WV of relay SK1 was supplied with by controlled part, and control section then quits work.When starting switch S1 perhaps provided off signal by computer main board once more, control section was started working, and provides a signal to controlled part by digital circuit; Impel controlled part to quit work, relay is supplied with because of no WV and is broken off, and the ac input voltage of whole computer breaks off; Get into zero stand-by power consumption pattern,, and can manually start shooting so computer of the present invention power consumption under standby mode is zero; Automatically or manually shut down, simple in structure.
Description of drawings
Fig. 1 is a theory diagram of the present invention;
Fig. 2 is a control section circuit diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described, like Fig. 1 ~ shown in Figure 2.
A kind of zero stand-by power consumption computer power; Comprise control section 200 and controlled part 100; Control section 200 comprises current rectifying and wave filtering circuit 201, DC/DC translation circuit 202, dc voltage filtering output circuit 203, start-up circuit 204, pwm control circuit 205, relay SK1, control circuit 206, and the digital circuit 208 that is connected with computer main board 207;
The first input end of current rectifying and wave filtering circuit 201 is connected with the L line of AC; Second input end of current rectifying and wave filtering circuit 201 is connected with the N line of AC; First output terminal of current rectifying and wave filtering circuit 201 is connected with the input end of start-up circuit 204; Second output terminal of current rectifying and wave filtering circuit 201 is connected with the second input end end of pwm control circuit 205, and second output terminal of current rectifying and wave filtering circuit 201, the 3rd output terminal of current rectifying and wave filtering circuit 201 are connected with the first input end of DC/DC translation circuit 202, second input end of DC/DC translation circuit 202 respectively;
First output terminal of DC/DC translation circuit 202, second output terminal of DC/DC translation circuit 202 are connected with dc voltage filtering output circuit 203 first input ends, dc voltage filtering output circuit 203 second input ends respectively, and the first input end of DC/DC translation circuit 202 is connected with the 3rd input end end of pwm control circuit 205;
The output terminal of start-up circuit 204 is connected with the four-input terminal end of pwm control circuit 205;
Dc voltage filtering output circuit 203 first output terminals are connected with control winding, the controlled part 100 of relay SK1;
Dc voltage filtering output circuit 203 second output terminals, dc voltage filtering output circuit 203 the 3rd output terminal are connected with the first input end of digital circuit 208, second input end of digital circuit 208 respectively;
Computer main board 207 is connected with controlled part 100;
The first input end of relay SK1 is connected with the L line of AC, and second input end of relay SK1 is connected with the N line of AC, and first output terminal of relay SK1, second output terminal of relay SK1 are connected with controlled part 100.
The pwm control circuit 205 of the control section 200 of present embodiment comprises circuit chip SU1, electric capacity SC2, SC3, SC4, SC5; The pin one of SU1 is connected with SC2 one end; The pin two of SU1 is connected with SC3 one end; The pin 3 of SU1 is connected with the positive pole of SC4; The pin 4 of SU1 is connected with SC5 one end; The pin 5 of SU1, the pin 8 of SU1 are connected with DC/DC translation circuit 202; The other end of SC2, the other end ground connection of the negative pole of SC4, SC5; The other end of SC3 is connected with control circuit.
The digital circuit 208 of the control section 200 of present embodiment comprises integrated chip SU2, resistance SR8, SR9, electric capacity SC9, triode SQ1, diode SD5 and relay switch SK2; The output terminal of relay switch SK2 is connected with computer main board 207; The pin two of SU2 is connected with the negative pole of the pin of SU2 6, SC9, the end of SR8; The pin 3 of SU2 is connected with SR9 one end; The pin 4 of SU2 is connected with the emitter of SQ1, the positive pole of SC9; The 2nd pin of the positive level of the other end of the pin one of SU2 and the other end of SR8, SR9, the ground level of SQ1, SD5, the control winding of relay switch SK2 is connected; The collector of SQ1 is connected with the 1st pin of the control winding of the negative pole of SD5, relay switch SK2.
The circuit of the control section 200 of present embodiment also comprises rectifier bridge SBD1; Electric capacity SC1, SC6, SC7, SC8, resistance SR1, SR2, SR3, SR4, SR5, SR6, SR7, relay SK1, photoelectrical coupler SU3; Voltage stabilizer SU4; Diode SD1, SD2, SD3, SD4, transformer ST1, lightning arrester SF1; 3 pin of SBD1 are connected with the zero line of AC electrical network; The minus earth of 4 pin of SBD1 and SC1 negative pole, SC4; 2 pin of SBD1 are connected with the elementary tx4 pin of the end of SR1, ST1, the positive pole of SC1; The other end of SR1 is connected with the end of SR2; The other end of SR2 is connected with the pin one of SU1; The negative pole of SD1 is connected with the pin of SU1 3, and the positive pole of SD1 is connected with the elementary tx2 pin of ST1; The elementary tx1 pin of ST1 is connected with the pin 5 of SU1,1 pin of SU3 connects; The elementary tx3 pin of ST1 is connected with the pin 8 of SU1; 2 pin of the negative pole of the secondary tx5 pin of ST1 and the negative pole of SC7, SC8, the control winding of SK1 are connected; The secondary tx6 pin of ST1 is connected with the positive pole of SD2; The negative pole of SD2 and the positive pole of SC7, the pin 8 of the positive pole of SC8, the positive pole of SD4, SU2 connects; The negative pole of SC7 is connected with the 12V DC voltage; The negative pole of SD4 is connected with 1 pin of the control winding of the negative pole of SD3, SK1; The end of the end of SR3, the end of SR4, SR6 is connected with the pin 8 of SU2, the pin 4 of SU2; The other end of SR3 is connected with 4 pin of SU3; The other end of SR4 is connected with the end of SR5, the output terminal of SU4,3 pin of SU3; The SR5 other end is connected with the end of SC6; The SC6 other end is connected with the other end of SR6, the end of SR7, the input end of SU4; The other end of SR7 and the earth terminal of SU4, the pin one ground connection of the positive pole of SD5, the ground level of SQ1, SU2; SF1 one end is connected with phase line L, and the other end is connected with 1 pin of SBD1, and 2 pin of SU3 are connected with the pin 4 of SU1.
The control circuit 206 of present embodiment comprises inductance SL1; The auxiliary winding of SL1 is connected with switch S 1; The main winding of SL1 comprises two terminals; First terminals are connected with the SC3 other end, second terminals and the SC2 other end, the negative pole of SC4, the other end of SC5, the 1 pin ground connection of photoelectrical coupler SU3.
Whether control circuit 206 control pwm control circuits 205 work, and controlled device interface 101 is controlled by relay SK1.
SU1 is pulse width controller and power switch pipe IC chip in the pwm control circuit 205 of present embodiment, and the model of SU1 is XY-6103.DC/DC translation circuit 202 adopts transformer ST1.Control circuit 206 adopts the annular inductance SL1 that high frequency credit is had the high magnetic flux of on-off action, and the model of SL1 is NPP050-125.Described dc voltage filtering output circuit 203 comprises commutation diode SD2, SD4 and filter capacitor SC7, SC8.The model of digital circuit 208 integrated chip SU2 is NE555; Relay SK1 adopts unicoil bistable state guard relay; Relay SK1 input end connects with AC; Relay SK1 output terminal connects with controlled device interface 101 and computer power current rectifying and wave filtering circuit 102 input ends, and the control winding of relay SK1 is connected with dc voltage filtering output circuit 203 and computer power dc voltage output circuit 104.
Not starting shooting when computer power is in standby mode following time, and its relay SK1 is in disconnection, and whole power supply product does not have the AC input, makes that the computer stand-by power consumption is zero.When starting host computer, manually by after the switch S 1, control section 200 moments work; Trigger relay SK1 then; And then impel controlled part to get into mode of operation, and this moment, the WV of relay SK1 was supplied with by controlled part, and control section 200 then quits work.When starting switch S1 perhaps provided off signal by computer main board 207 once more, control section 200 was started working, and provides a signal to controlled part by digital circuit 208; Impel controlled part to quit work, relay is supplied with because of no WV and is broken off, and the ac input voltage of whole computer breaks off; Get into zero stand-by power consumption pattern, the computer of present embodiment power consumption under standby mode is zero, and can manually start shooting; Automatically or manually shut down, simple in structure.
First output terminal of relay SK1, second output terminal of relay SK1 are connected with the first input end of controlled device interface 101, second input end of controlled device interface 101 respectively;
First output terminal of relay SK1, second output terminal of relay SK1 are connected with the first input end of computer power current rectifying and wave filtering circuit 102, second input end of computer power current rectifying and wave filtering circuit 102 respectively;
First output terminal of computer power current rectifying and wave filtering circuit 201, second output terminal of computer power current rectifying and wave filtering circuit 102 are connected with the first input end of computer power pwm control circuit 103, second input end of computer power pwm control circuit 103 respectively;
First output terminal of computer power pwm control circuit 103, second output terminal of computer power pwm control circuit 103 are connected with the first input end of computer power dc voltage output circuit 104, second input end of computer power dc voltage output circuit 104;
The 3rd input end of computer power pwm control circuit 103 is connected with the output terminal of computer power intelligence control circuit 105;
The first input end of computer power intelligence control circuit 105 is connected with the output terminal of computer main board 207; Second input end of computer power intelligence control circuit 105 is connected with the output terminal of computer power dc voltage output circuit 104, and computer power dc voltage output circuit 104 the 3rd input end is connected with first output terminal of dc voltage filtering output circuit 203, the control winding of relay SK1.
The digital circuit 208 of present embodiment is come controlling computer power supply pwm control circuit 103, computer power dc voltage output circuit 104 duties through computer power intelligence control circuit 105, and then changes the working method of relay SK1.
Principle of work of the present invention has 4 kinds; Be respectively: the principle of work under the computer equipment standby mode: when the computer energized, when not starting shooting, computer is under the standby mode; Be connected to the peripheral equipments such as computer monitor of controlled device interface 101 this moment and all pass through relay SK1 supply to the input voltage of the computer power of host computer power supply; But this moment, the control winding of relay SK1 did not have WV, so relay SK1 is in off-state, and the standby computer non-power consumption.
Computer system boot-strap principle of work: the switch S 1 that clicks host computer; Inductance SL1 auxiliary winding instantaneous short circuit in the control circuit 206, the main winding of high sensibility reciprocal are at the auxiliary winding transcient short circuit time, and sensibility reciprocal levels off to zero; SU1 the 2nd pin in the pwm control circuit 205 produces sawtooth wave; And then start-up circuit 204 is instantaneous to SU1 WV is provided, and pwm control circuit 205 is started working, and DC/DC translation circuit 202 is also started working under the promotion of pwm control circuit 205; One group of 12V voltage of dc voltage filtering output circuit 203 outputs provides relay SK1 control winding and digital circuit 208 WVs.Relay SK1 conducting; The controlled device interface 101 of controlled part 100 and computer power input end input AC voltage; Digital circuit 208 is given computer power intelligence control circuit 105 enabling signals through computer main board 207; Computer power begins operate as normal, and provides one group of 12V voltage to continue to keep relay SK1 work through computer power dc output circuit 104.Whole computer series regular event, because the switch S of host computer 1 is a normal open switch, pwm control circuit 205, start-up circuit 204, DC/DC translation circuit 202 quit work at this moment.
The switch S 1 shutdown principle of work of computer system energising brain server: be that with computer system boot-strap principle of work difference the signal that digital circuit 208 offers computer main board 207 this moment is an off signal; And then close computer power pwm control circuit 103 through computer power intelligence control circuit 105 and be able to close computer power; After computer power is closed; The WV of relay SK1 control winding disappears, and relay SK1 breaks off, and gets back to zero stand-by power consumption again.
The computer system principle of work of shutting down automatically: computer main board 207 is after receiving shutdown command; Provide a signal to computer power intelligence control circuit 105 off signals; Computer power pwm control circuit 103 quits work after receiving computer power intelligence control circuit 105 off signals, computer power dc voltage output circuit 104 no-outputs; Relay SK1 control winding WV disappears, under the zero stand-by power consumption pattern of going back.In sum, the present invention lets computer system under standby mode, and no power consumption does not change computer system original operation mode.
Should be noted that at last; Above embodiment is only in order to explain technical scheme of the present invention; But not to the restriction of protection domain of the present invention, although with reference to preferred embodiment the present invention has been done explanation at length, those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical scheme of the present invention.
Claims (6)
1. one kind zero stand-by power consumption computer power; Comprise control section and controlled part; It is characterized in that: control section comprises current rectifying and wave filtering circuit, DC/DC translation circuit, dc voltage filtering output circuit, start-up circuit, pwm control circuit, relay SK1, control circuit, and the digital circuit that is connected with computer main board;
Control circuit is connected with the switch S 1 of host computer, and the output terminal of control circuit is connected with the first input end of pwm control circuit;
The first input end of current rectifying and wave filtering circuit is connected with the L line of AC; Second input end of current rectifying and wave filtering circuit is connected with the N line of AC; First output terminal of current rectifying and wave filtering circuit is connected with the input end of start-up circuit; Second output terminal of current rectifying and wave filtering circuit is connected with second input end of pwm control circuit, and second output terminal of current rectifying and wave filtering circuit, the 3rd output terminal of current rectifying and wave filtering circuit are connected with the first input end of DC/DC translation circuit, second input end of DC/DC translation circuit respectively;
First output terminal of DC/DC translation circuit, second output terminal of DC/DC translation circuit are connected with dc voltage filtering output circuit first input end, dc voltage filtering output circuit second input end respectively, and the first input end of DC/DC translation circuit is connected with the 3rd input end of pwm control circuit;
The output terminal of start-up circuit is connected with the four-input terminal of pwm control circuit;
Dc voltage filtering output circuit first output terminal is connected with the control winding of relay SK1, controlled part;
Dc voltage filtering output circuit second output terminal, dc voltage filtering output circuit the 3rd output terminal are connected with the first input end of digital circuit, second input end of digital circuit respectively;
Computer main board is connected with controlled part;
The first input end of relay SK1 is connected with the L line of AC, and second input end of relay SK1 is connected with the N line of AC, and first output terminal of relay SK1, second output terminal of relay SK1 are connected with controlled part;
Controlled part comprises computer power current rectifying and wave filtering circuit, computer power pwm control circuit, computer power dc voltage output circuit, computer power intelligence control circuit and controlled device interface;
First output terminal of relay SK1, second output terminal of relay SK1 are connected with the first input end of controlled device interface, second input end of controlled device interface respectively;
First output terminal of relay SK1, second output terminal of relay SK1 are connected with the first input end of computer power current rectifying and wave filtering circuit, second input end of computer power current rectifying and wave filtering circuit respectively;
First output terminal of computer power current rectifying and wave filtering circuit, second output terminal of computer power current rectifying and wave filtering circuit are connected with the first input end of computer power pwm control circuit, second input end of computer power pwm control circuit respectively;
First output terminal of computer power pwm control circuit, second output terminal of computer power pwm control circuit are connected with the first input end of computer power dc voltage output circuit, second input end of computer power dc voltage output circuit;
The 3rd input end of computer power pwm control circuit is connected with the output terminal of computer power intelligence control circuit;
The first input end of computer power intelligence control circuit is connected with the output terminal of computer main board; Second input end of computer power intelligence control circuit is connected with the output terminal of computer power dc voltage output circuit, and computer power dc voltage output circuit the 3rd input end is connected with first output terminal of dc voltage filtering output circuit, the control winding of relay SK1.
2. a kind of zero stand-by power consumption computer power according to claim 1, it is characterized in that: the pwm control circuit of control section comprises circuit chip SU1, electric capacity SC2, SC3, SC4, SC5; The pin one of SU1 is connected with SC2 one end; The pin two of SU1 is connected with SC3 one end; The pin 3 of SU1 is connected with the positive pole of SC4; The pin 4 of SU1 is connected with SC5 one end; The pin 5 of SU1, the pin 8 of SU1 are connected with the DC/DC translation circuit; The other end of SC2, the other end ground connection of the negative pole of SC4, SC5; The other end of SC3 is connected with control circuit.
3. a kind of zero stand-by power consumption computer power according to claim 2, it is characterized in that: the digital circuit of control section comprises integrated chip SU2, resistance SR8, SR9, electric capacity SC9, triode SQ1, diode SD5 and relay switch SK2;
The output terminal of relay switch SK2 is connected with computer main board;
The pin two of SU2 is connected with the negative pole of the pin of SU2 6, SC9, the end of SR8;
The pin 3 of SU2 is connected with SR9 one end;
The pin 4 of SU2 is connected with the emitter of SQ1, the positive pole of SC9;
The 2nd pin of the positive level of the other end of the pin one of SU2 and the other end of SR8, SR9, the ground level of SQ1, SD5, the control winding of relay switch SK2 is connected;
The collector of SQ1 is connected with the 1st pin of the control winding of the negative pole of SD5, relay switch SK2.
4. a kind of zero stand-by power consumption computer power according to claim 3; It is characterized in that: the circuit of control section also comprises rectifier bridge SBD1, electric capacity SC1, SC6, SC7, SC8, resistance SR1, SR2, SR3, SR4, SR5, SR6, SR7, photoelectrical coupler SU3; Voltage stabilizer SU4; Diode SD1, SD2, SD3, SD4, transformer ST1, lightning arrester SF1;
3 pin of SBD1 are connected with the zero line of AC electrical network;
The minus earth of 4 pin of SBD1 and SC1 negative pole, SC4;
2 pin of SBD1 are connected with the elementary tx4 pin of the end of SR1, ST1, the positive pole of SC1;
The other end of SR1 is connected with the end of SR2;
The other end of SR2 is connected with the pin one of SU1;
The negative pole of SD1 is connected with the pin of SU1 3, and the positive pole of SD1 is connected with the elementary tx2 pin of ST1;
The elementary tx1 pin of ST1 is connected with the pin 5 of SU1,1 pin of SU3 connects;
The elementary tx3 pin of ST1 is connected with the pin 8 of SU1;
2 pin of the negative pole of the secondary tx5 pin of ST1 and the negative pole of SC8, SC7, the control winding of SK1 are connected;
The secondary tx6 pin of ST1 is connected with the positive pole of SD2;
The negative pole of SD2 and the positive pole of SC7, the pin 8 of the positive pole of SC8, the positive pole of SD4, SU2 connects;
The negative pole of SD4 is connected with 1 pin of the control winding of the negative pole of SD3, SK1;
The end of the end of SR3, the end of SR4, SR6 is connected with the pin 8 of SU2, the pin 4 of SU2;
The other end of SR3 is connected with 4 pin of SU3;
The other end of SR4 is connected with the end of SR5, the output terminal of SU4,3 pin of SU3;
The SR5 other end is connected with the end of SC6;
The SC6 other end is connected with the other end of SR6, the end of SR7, the input end of SU4;
The other end of SR7 and the earth terminal of SU4, the pin one ground connection of the positive pole of SD5, the ground level of SQ1, SU2;
SF1 one end is connected with phase line L, and the other end is connected with 1 pin of SBD1;
2 pin of SU3 are connected with the pin 4 of SU1.
5. a kind of zero stand-by power consumption computer power according to claim 4; It is characterized in that: control circuit comprises inductance SL1; The auxiliary winding of SL1 is connected with switch S 1; The main winding of SL1 comprises two terminals, and first terminals are connected with the SC3 other end, second terminals and the SC2 other end, the negative pole of SC4, the other end of SC5, the 1 pin ground connection of SU3.
6. a kind of zero stand-by power consumption computer power according to claim 5, it is characterized in that: relay SK1 is a unicoil bistable state guard relay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105513000A CN101976107B (en) | 2010-11-19 | 2010-11-19 | Power supply of zero-standby power consumption computer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105513000A CN101976107B (en) | 2010-11-19 | 2010-11-19 | Power supply of zero-standby power consumption computer |
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| CN101976107A CN101976107A (en) | 2011-02-16 |
| CN101976107B true CN101976107B (en) | 2012-05-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102843045B (en) * | 2012-02-21 | 2015-05-06 | 郑州佛光发电设备有限公司 | Starting and charging device |
| CN104604088B (en) | 2012-04-26 | 2017-12-19 | 米尔普罗斯有限公司 | Standby electric power interrupting for electronic product |
| CN103731618B (en) * | 2013-11-27 | 2017-12-12 | 乐视致新电子科技（天津）有限公司 | Display device and its readiness control circuit |
| CN108073265A (en) * | 2017-12-11 | 2018-05-25 | 大连锐进科技发展有限公司 | A kind of energy saving calculation electromechanical source |
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| US5808881A (en) * | 1994-09-28 | 1998-09-15 | Samsung Electronics Co., Ltd. | Power-supply controller of computer |
| CN1719358A (en) * | 2004-07-05 | 2006-01-11 | 周先谱 | Control device of zero power consumption readiness power source |
| CN2888508Y (en) * | 2005-09-10 | 2007-04-11 | 海尔集团公司 | Zero standby power consumption control circuit for household electric appliance |
| CN101408789A (en) * | 2008-11-21 | 2009-04-15 | 东莞市金河田实业有限公司 | Computer power supply |
| CN101414782A (en) * | 2008-11-10 | 2009-04-22 | 广州金升阳科技有限公司 | Remote control power-off circuit for PWM switch power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060007919A (en) * | 2004-07-23 | 2006-01-26 | (주)이안테크놀로지 | Device of standby power saving for switching mode power supply |
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|---|---|---|---|---|
| US5808881A (en) * | 1994-09-28 | 1998-09-15 | Samsung Electronics Co., Ltd. | Power-supply controller of computer |
| CN1719358A (en) * | 2004-07-05 | 2006-01-11 | 周先谱 | Control device of zero power consumption readiness power source |
| CN2888508Y (en) * | 2005-09-10 | 2007-04-11 | 海尔集团公司 | Zero standby power consumption control circuit for household electric appliance |
| CN101414782A (en) * | 2008-11-10 | 2009-04-22 | 广州金升阳科技有限公司 | Remote control power-off circuit for PWM switch power supply |
| CN101408789A (en) * | 2008-11-21 | 2009-04-15 | 东莞市金河田实业有限公司 | Computer power supply |
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