CN103425056B - Quasi-zero power consumption standby control circuit device and control method - Google Patents
Quasi-zero power consumption standby control circuit device and control method Download PDFInfo
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- CN103425056B CN103425056B CN201210151357.0A CN201210151357A CN103425056B CN 103425056 B CN103425056 B CN 103425056B CN 201210151357 A CN201210151357 A CN 201210151357A CN 103425056 B CN103425056 B CN 103425056B
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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
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- 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 kind of quasi-zero power consumption standby control circuit device, be arranged between power supply and electric equipment, comprise main power source, auxiliary power and main control chip; The input of described main power source is connected directly to power supply, and output is connected to described main control chip, for giving described main control chip power supply; The input of described auxiliary power is connected to power supply by a gauge tap, and output is connected with the load in electric equipment; The first control end of described main control chip connects gauge tap, for controlling the break-make of gauge tap. Also relate to a kind of control method that is applied in this control circuit device. By the separately mode of power supply of high power load circuit, main power source can use the power supply of small dimension, in the time of underloading, can keep very high efficiency by this, and the load of main power source is very little when standby, thereby has realized ultra-low power standby.
Description
Technical field
The present invention relates to the control circuit device of electric equipment, especially a kind of quasi-zero power consumption standby control circuitDevice and control method.
Background technology
Many household electrical appliance have idle function, all will consume electric energy when standby, and idling consumption is electrical equipment alwaysThe problem that equipment is very important, after electric equipment shutdown, conventionally circuit board still electric, the unit on circuit boardPart is in running order, consumes certain electric energy, Here it is our said stand-by power consumption. Existing electrical equipmentStand-by power consumption may only have several watts, but has caused the waste of a large amount of electric energy.
State Council had once started " energy-saving and emission-reduction, whole people's action " in 2007, continue " energy-saving and emission-reduction " afterwardsAcceptance of the bid authentication center takes the lead again and carries out " 1W plan " in the whole nation, and the core content of " 1W plan " reduces exactlyThe stand-by power consumption of circuit arrangement. The policy of country is paid much attention to the standby energy consumption problem of electrical equipment, but so farStill there is no this meaningless energy waste of effective method containment. Therefore, by the standby energy consumption of electric equipmentDrop to and approach 0W, the energy waste while effectively containing standby, alleviates energy starved pressure particularly important.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of quasi-zero power consumption standby control circuit device and controlMethod processed, it has adopted dual power supply mode according to separately power supply of load power consumption size difference, and in the standby time-divisionOther power-off is to reach the object that approaches zero stand-by power consumption.
The technical scheme that the present invention adopted is for achieving the above object:
A kind of quasi-zero power consumption standby control circuit device, is arranged between power supply and electric equipment, comprisesMain power source, auxiliary power and main control chip;
The input of described main power source is connected directly to power supply, and output is connected to described main control chip,For powering to described main control chip;
The input of described auxiliary power is connected to power supply by a gauge tap;
The first control end of described main control chip connects gauge tap, for controlling the break-make of gauge tap;
Between described main control chip and described gauge tap, be serially connected with drive circuit;
The output of described auxiliary power is connected with the high power load in electric equipment;
The output of described main power source is also connected with the low-power load in electric equipment by on-off circuit.
More preferably, as a kind of embodiment, the signal end of described main control chip is connected with for receiving and controls letterNumber signal receiving device; In the time that described signal receiving device receives off signal, described main control chip controlGauge tap processed enters low-power consumption mode after disconnecting.
More preferably, as a kind of embodiment, on described main power source, be also provided with and fall voltage signal control end, instituteThe voltage signal control end that falls of stating main power source is connected with the second control end of described main control chip.
More preferably, as a kind of embodiment, described main power source is the adjustable Switching Power Supply of output voltage, standbyTime Switching Power Supply output voltage minimum.
More preferably, as a kind of embodiment, described Switching Power Supply comprises current rectifying and wave filtering circuit and Switching Power Supply controlCoremaking sheet, described current rectifying and wave filtering circuit connects the input side of high frequency transformer, the input of described high frequency transformerSide is connected with absorption circuit, and the outlet side of described high frequency transformer connects after filter circuit as described switch electricityThe output in source; Described Switching Power Supply control chip respectively with the outlet side of described current rectifying and wave filtering circuit and described inThe input side of high frequency transformer is connected; Between described Switching Power Supply control chip and Switching Power Supply output, also establishBe equipped with backfeed loop, described in fall voltage signal control end and be arranged in described backfeed loop.
More preferably, as a kind of embodiment, described backfeed loop comprises parallel voltage-stabilizing integration module TL431, lightCoupling U2, triode Q3, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6,Seven resistance R 7 and the 8th resistance R 8, base stage series connection the 6th resistance R 6 of described triode Q3 is connected to master control coreSheet the second control end, the grounded emitter of triode Q3, colelctor electrode series connection the 5th electricity of described triode Q3Resistance R5 is connected to the reference utmost point of described TL431, the plus earth of described TL431, the reference of described TL431The 3rd resistance R 3 of connecting between the utmost point and anode, reference utmost point series connection the 4th resistance R 4 of described TL431 is connected to instituteState the output of main power source, one end of the 8th resistance R 8 is connected to the output of described main power source, the 8th resistanceOther end series connection the 7th resistance R 7 of R8 is connected to the negative electrode of described TL431, two of described the 7th resistance R 7End connects respectively two inputs of described optocoupler U2, the output connecting valve power supply control of described optocoupler U2Chip;
The feedback factor of described backfeed loop is by described main control chip the second control end control, when described master control coreSheet the second control end output voltage control signal falls while being high level, switch triode Q3 conducting, makes the 3rdResistance R 3 is in parallel with the 5th resistance R 5, and the feedback factor of backfeed loop reduces, and output voltage reduces; Otherwise,When falling voltage control signal while being low level, main power source output HIGH voltage.
More preferably, as a kind of embodiment, described on-off circuit comprises PNP triode Q1, NPN triodeQ2, the first resistance R 1 and the second resistance R 2, and a capacitor C 1; The base stage of described NPN triode Q2 isDrive signal end, and be connected to described main control chip, base stage while and the second electricity of described NPN triode Q2One end of resistance R2 is connected, and the emitter stage of the other end of described the second resistance R 2 and described NPN triode Q2 connectsGround, the colelctor electrode of NPN triode Q2 is connected with the first resistance R 1 afterwards and the base stage of described PNP triode Q1Be connected; The emitter stage of described PNP triode Q1 is connected to the output of described main power source, and colelctor electrode is as defeatedGo out end, be connected with low-power load, after the colelctor electrode of described PNP triode Q1 is connected with described capacitor C 1Ground connection, after described PNP triode Q1 conducting, low-power load is connected main power source.
More preferably, as a kind of embodiment, described high power load comprises relay, direct current generator and control thereofCircuit processed; Low-power load in described electric equipment comprises the sense being connected with each parts in described electric equipmentThermometer bulb circuit, key circuit and signal amplification circuit.
The present invention also provides a kind of control method of above-mentioned control circuit device, comprises start step and standbyStep;
Described start step is: when described signal receiving device is received waking up yard of starting-up signal, described in triggeringMain control chip exits low-power consumption mode, makes described main control chip receive starting-up signal, and controls described switchContactor conducting, described low-power load obtains electric, and then described in described main control chip control, gauge tap is ledLogical, described auxiliary power is obtained electric, and then it is electric that described high power load is obtained, then enter start running status;
Described standby step is: enter after standby mode, described gauge tap disconnects, and described in turn-offing, opens simultaneouslyClose circuit, make the disconnection that is connected of described low-power load and main power source; Then controlling main power source output voltage subtractsLittle, described main control chip enters low-power consumption mode simultaneously.
More preferably, as a kind of embodiment, the form of described starting-up signal comprise wake up code and data two parts,The described code that wakes up is front, and described data are rear; Described signal receiving device wakes code up described in first receiving, rear receiptsTo described data;
In the time waking up described in described signal receiving device is received yard, described main control chip is called out from low-power consumption modeWake up, entering signal receives wait state, then receives the described data division of described starting-up signal.
The invention has the beneficial effects as follows: in the situation that not changing household electrical appliances normal operation step, basic elimination openedClose energy consumption, the conducting energy consumption of substantially eliminating semiconductor devices and the switching loss of transformer, substantially eliminate household electrical appliancesThe energy consumption of CPU, drops to minimum by the standby energy consumption of household electrical appliances; Realize quasi-zero power consumption standby, and treat at certain nought power consumptionUnder machine state, realize remote-controlled start-up; By this mode that high power load circuit is powered separately, main power sourceThe power supply of small dimension can be used, in the time of underloading, very high power supplying efficiency can be kept, and main power source negative when standbyCarry very little, thereby realized ultra-low power standby.
Brief description of the drawings
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and realityExecute example, taking domestic air conditioner as example, quasi-zero power consumption standby control circuit device of the present invention is carried out furtherDescribe in detail. Should be appreciated that specific embodiment described herein, only in order to explain the present invention, does not limitFor domestic air conditioner described in the invention, quasi-zero power consumption standby control circuit device of the present invention also can be used forOther household electrical appliances such as television set or circuit arrangement.
Fig. 1 is the theory diagram of control circuit device of the present invention;
Fig. 2 be control circuit device one embodiment of the present invention theory diagram;
Fig. 3 is the theory diagram of a specific embodiment of control circuit device of the present invention;
Fig. 4 is the theory diagram of the main power source of a specific embodiment of control circuit device of the present invention;
Fig. 5 is that the main power source backfeed loop of a specific embodiment of control circuit device of the present invention connects signalFigure;
Fig. 6 is the on-off circuit connection diagram of a specific embodiment of control circuit device of the present invention;
Fig. 7 be control circuit device of the present invention a specific embodiment workflow block diagram.
Wherein,
100 first Switching Power Supplies; 200 second switch power supplys; 300 single-chip microcomputers; 400 infrared receiving terminals;
500 on-off circuits; 600 drive chip; 700 relays;
101 current rectifying and wave filtering circuits; 102 high frequency transformers; 103 absorption circuits;
104 Switching Power Supply control chips; 105 backfeed loops; 1051 fall voltage controling end;
106 filter circuits.
Detailed description of the invention
Embodiment mono-
Quasi-zero power consumption standby control circuit device of the present invention, in the time of application, divides the power consumption loads such as electric equipmentThree of the main control chips of one-tenth high power load part, low-power load part and described control circuit device itselfPart, and in described control circuit device, designed two power supplys to the separately power supply of these three parts; WhereinHigh power load part is powered by auxiliary power, and auxiliary power power supply is subject to switch control, and when standby, auxiliary power must not be electric,Make the power-off of high power load part; Low-power load part and the power supply of described main control chip main power source, described controlCircuit arrangement processed is also provided with signal receiving device, and is also powered by main power source; Wherein low-power load circuitPower supply be subject to switch control, power-off when standby. The output voltage of main power source is variable, when standby, can reduce itOutput voltage, to reduce loss power, master chip can enter low-power consumption mode simultaneously, further reduces standbyPower.
By this mode that high power load part is powered separately, main power source can use the power supply of small dimension,In the time of underloading, can keep very high efficiency, and the load of main power source is very little when standby, thereby has realized ultralowPower-consumption standby.
And in the time of load partition, high power load part and low-power load part do not have strict boundary,Can be according to the requirement of system initialization, will not affect initialized low-power load part and be divided into high-power negativeCarry part, powered by auxiliary power.
As shown in Figure 1, quasi-zero power consumption standby control circuit device of the present invention, is arranged at power supply and electricityBetween device equipment, it comprises main power source, auxiliary power and main control chip; The input of described main power source directly connectsBe connected to power supply, the input of described auxiliary power is connected to power supply by a gauge tap;
The output of described auxiliary power is connected with the high power load in electric equipment;
Described main control chip is connected with respectively gauge tap for controlling described auxiliary power and described main power sourceOutput, described main control chip is also connected with the signal receiving device for receiving power on/off signal.
As shown in Figure 2, the difference of the present embodiment and embodiment 1 is: described main control chip be connected with forControl the drive circuit of described auxiliary power gauge tap and the low-power load break-make for control apparatus equipmentThe on-off circuit of electricity; Described drive circuit is electrically connected with the gauge tap of described auxiliary power, described on-off circuitBe electrically connected with described low-power load; Described low-power load is also connected to described master by described on-off circuitThe output of power supply; The output of described auxiliary power is electrically connected with the high power load in described electric equipment;On described main power source, be also provided with step-down signal feedback end, the step-down signal feedback end of described main power source with described inMain control chip is connected.
Preferably, the control circuit device in the present embodiment as shown in Figure 3, is arranged at electric main and air-conditioningBetween device, it comprises:
As the first Switching Power Supply 100 of described main power source, as the second switch power supply 200 of described auxiliary power,As the relay 700 of the gauge tap of described auxiliary power, as the single-chip microcomputer 300 of described main control chip, doFor the model of the described drive circuit driving chip 600 that is ULN2003 with as described signal receiving deviceInfrared receiving terminal 400; In further embodiments, the described auxiliary power in the present invention can also adopt linear electricitySource, such as linear transformer; The gauge tap of described auxiliary power can also adopt controllable silicon;
Further, the input of described second switch power supply 200 is connected to and is exchanged city by relay 700Electricity, the output of described second switch power supply 200 is electrically connected with the high power load in described air-conditioner; ContinueElectrical equipment 700 is normal open switch, and relay coil, by driving chip UNL2003 that dc source is provided, drivesChip UNL2003 is connected between relay 700 and single-chip microcomputer 300, and single-chip microcomputer 300 is by driving chipThe break-make of ULN2003 control relay 700, thus the input of realizing second switch power supply 200 with exchange cityBreak-make between electricity, also just can control the power on/off of high power load in described air-conditioner.
The input of the first Switching Power Supply 100 in the present embodiment is connected directly to electric main, the first switchThe output of power supply 100 is connected with the described low-power load in air-conditioner by on-off circuit 500, opensClose circuit 500 for controlling the power on/off of described low-power load;
Preferably, electric main is transformed into the needed direct current of electric equipment work by the first Switching Power Supply 100Source, and its output voltage is adjustable; As shown in Figure 4, for opening as first of described main power source in the present embodimentClose a kind of embodiment of power supply 100, it comprises that current rectifying and wave filtering circuit 101, high frequency transformer 102, high frequency becomeThe absorption circuit 103 of depressor input, Switching Power Supply control chip 104, backfeed loop 105, filter circuit 106;The input of described rearrangeable switch power supply 100 is connected with current rectifying and wave filtering circuit 101 and Switching Power Supply control chip104, current rectifying and wave filtering circuit 101 is connected with high frequency transformer 102, and the input side of described high frequency transformer 102 connectsBe connected to absorption circuit 103, the outlet side of described high frequency transformer 102 connects can described in the rear conduct of filter circuit 106The output of tune switch power supply; Described Switching Power Supply control chip 104 respectively with described current rectifying and wave filtering circuit 101Be connected with described high frequency transformer 102; Described Switching Power Supply control chip 104 is also connected with backfeed loop 105.Electric main, after current rectifying and wave filtering circuit 101, obtains galvanic current; Switching Power Supply control chip 104Carry out by-pass cock frequency according to the feedback signal of described backfeed loop 105, form FEEDBACK CONTROL, make output voltageStable.
Further, as shown in Figure 5, a detailed description of the invention of backfeed loop 105 in the present embodiment, anti-Feedback is provided with step-down signal controlling end 1051 in loop 105, and its feedback factor can be by described step-down control letterNumber end control; The described voltage control signal end that falls is connected to single-chip microcomputer 300, when falling voltage control signal for high electricityAt ordinary times, switch triode Q3 conducting, the 5th resistance R 5 and the 3rd resistance R 3 parallel connections, make the anti-of backfeed loopFeedforward coefficient reduces, and output voltage reduces; Otherwise, when falling voltage control signal while being low level, the first switchPower supply 100 output HIGH voltages.
Further, on-off circuit 500 is also connected with single-chip microcomputer 300; As shown in Figure 6, this enforcementOn-off circuit 500 in example comprises PNP triode Q1, NPN triode Q2, the first resistance R 1 and the second electricityResistance R2 and capacitor C 1, the base stage of NPN triode Q2 connects and drives signal end and the second resistance R 2, the second resistanceThe other end of R2 and NPN triode Q2 grounded emitter, the colelctor electrode of NPN triode Q2 and the first resistanceThe base stage that connects PNP triode Q1 after R1 series connection, the emitter stage of PNP triode Q1 connects the first Switching Power Supply100 output, current collection is power output end very, its rear ground connection of connecting with capacitor C 1. Consumed power is relativeThe colelctor electrode of less load access PNP triode Q1; Drive signal end to connect single-chip microcomputer 300, when driving letterNumber end is when high level, PNP triode Q1 and NPN triode Q2 conducting, and the first Switching Power Supply 100 is power supplyVcc through PNP triode Q1 to low-power load circuit supply; In the time driving signal end to be low level, PNPTriode Q1 cut-off, the first Switching Power Supply 100 is not given low-power load circuit supply; When single-chip microcomputer 300 connectsWhile receiving the off signal transmitting from infrared receiving terminal, just the driving signal end of on-off circuit is become to low level,Otherwise, in the time that single-chip microcomputer 300 is received starting-up signal, just the driving signal end of on-off circuit is become to high level;In further embodiments, described on-off circuit 500 can also be made up of metal-oxide-semiconductor.
Preferably, described in being connected to as the infrared receiving terminal 400 of described signal receiving device in the present embodimentSingle-chip microcomputer 300, for power on/off signals such as receiving key machines; The power end of described single-chip microcomputer 300 and infrared connecingReceive the output that a power end of 400 is all connected to the first Switching Power Supply 100, by the first Switching Power Supply 100Power supply; In further embodiments, can also adopt wireless receiver as described signal receiving device; ThisDescribed main control chip in embodiment adopts single-chip microcomputer 300, mainly writes by single-chip microcomputer 300 basesProgram is controlled the running of air-conditioner.
Preferably, the described high power load in the present embodiment comprise high power load element in air-conditioner andIts control circuit; Low-power load in described electric equipment comprises low-power load element and control circuit thereof.
Further, the described high power load in the present embodiment comprises relay, direct current generator and control thereofCircuit; The negative temperature-sensitive bag being connected with each parts in described electric equipment that comprises of small-power in described electric equipmentCircuit, key circuit and signal amplification circuit.
The operation principle of the control circuit device in the present embodiment is: when single-chip microcomputer 300 transmits from infrared receiving terminalOff signal time, relay 700 is disconnected, and then makes the second switch power supply 200 as described auxiliary powerPower-off completely, no longer absorbs electric energy; Make on-off circuit disconnect cutting off equipment low-power load circuit and work simultaneouslyFor the connection of the first Switching Power Supply 100 of described main power source, reduce the load of the first Switching Power Supply 100. ForFurther reduce the power consumption of the first Switching Power Supply 100, the first Switching Power Supply 100 reduces its output voltage, simultaneouslySingle-chip microcomputer 300 enters low-power consumption mode, and the power that single-chip microcomputer 300 consumes is negligible, now whole systemThe only signal receiving device work of uniting, the power of consumption is very little, air-conditioner is shut down and enter after standby modePower consumption can approach 0W.
In the time that infrared receiving terminal receives starting-up signal, trigger single-chip microcomputer 300 and exit low-power consumption mode, firstSwitching Power Supply 100 its output end voltages of rising, then single-chip microcomputer 300 gauge tap circuit turn-ons, in equipmentLow-power load circuit obtains electric, and secondly single-chip microcomputer 300 makes relay 700 conductings, and then makes second switch electricitySource 200 obtains electric, and equipment high power load circuit obtains electric, then carries out boot action, device power-up operation.
Embodiment bis-
A control method for quasi-zero power consumption standby control circuit device, comprises start step and standby step;
Described start step is: when described signal receiving device is received waking up yard of starting-up signal, trigger described masterControl chip exits low-power consumption mode, makes described main control chip receive starting-up signal, and controls described on-off circuitSwitch conduction, described low-power load obtains electric, and then gauge tap conducting described in described main control chip control, makesDescribed auxiliary power obtains electric, and then it is electric that described high power load is obtained, and then carries out boot action, enters startRunning status.
Described standby step is: enter after standby mode, described gauge tap disconnects, and turn-offs described switch simultaneouslyCircuit, makes the disconnection that is connected of described low-power load and main power source, reduces the load of described main power source; In order to enterOne step reduces the power consumption of main power source, controls main power source output voltage and reduces, and described main control chip enters low merit simultaneouslyConsumption pattern; Making only has described signal receiving device in running order in described control circuit device, makes standby meritRate approaches 0W.
Further, the form of described starting-up signal comprises and wakes code and data two parts up, described in wake up yard and to existBefore, described data are rear; Described signal receiving device wakes code up described in first receiving, after receive described data;
Described main control chip is waken up to entering signal reception etc. in the time waking up described in receiving yard from low-power consumption modeTreat state, then receive the described data division of described starting-up signal.
The mode that high power load circuit is powered separately described in the present embodiment, its main power source can use littleThe power supply of specification can keep very high power supplying efficiency in the time of underloading, and the load of main power source is very little when standby,Thereby realize ultra-low power standby; When quasi-zero power consumption standby, realize remote-controlled start-up, and mode of operation and traditionMode of operation is identical, is easy to accept; Device standby power consumption is dropped to and is tending towards 0W, when the standby of containment electric equipmentEnergy waste.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed,But can not therefore be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that for this areaThose of ordinary skill, without departing from the inventive concept of the premise, can also make some distortion andImprove, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be with rightClaim is as the criterion.
Claims (10)
1. a quasi-zero power consumption standby control circuit device, is arranged between power supply and electric equipment,It is characterized in that: comprise main power source, auxiliary power and main control chip;
The input of described main power source is connected directly to power supply, and output is connected to described main control chip,For powering to described main control chip;
The input of described auxiliary power is connected to power supply by a gauge tap;
The first control end of described main control chip connects gauge tap, for controlling the break-make of gauge tap;
Between described main control chip and described gauge tap, be serially connected with drive circuit;
The output of described auxiliary power is connected with the high power load in electric equipment;
The output of described main power source is also connected with the low-power load in electric equipment by on-off circuit.
2. control circuit device according to claim 1, is characterized in that:
The signal end of described main control chip is connected with the signal receiving device for reception control signal; DescribedWhen signal receiving device receives off signal, described main control chip control gauge tap enters low merit after disconnectingConsumption pattern.
3. control circuit device according to claim 2, is characterized in that: on described main power source, also establishBe equipped with and fall voltage signal control end, described main power source of voltage signal control end and described main control chip fallTwo control ends are connected.
4. control circuit device according to claim 3, is characterized in that: described main power source is outputThe Switching Power Supply that voltage is adjustable, when standby, the output voltage of Switching Power Supply is minimum.
5. control circuit device according to claim 4, is characterized in that: described Switching Power Supply comprisesCurrent rectifying and wave filtering circuit and Switching Power Supply control chip, described current rectifying and wave filtering circuit connects the input of high frequency transformerSide, the input side of described high frequency transformer is connected with absorption circuit, and the outlet side of described high frequency transformer connectsAfter filter circuit as the output of described Switching Power Supply; Described Switching Power Supply control chip is respectively with described wholeThe stream outlet side of filter circuit and the input side of described high frequency transformer are connected; Described Switching Power Supply control chipAnd between Switching Power Supply output, be also provided with backfeed loop, described in fall described in voltage signal control end is arranged atIn backfeed loop.
6. control circuit device according to claim 5, is characterized in that: described backfeed loop comprisesParallel voltage-stabilizing integration module TL431, optocoupler U2, triode Q3, the 3rd resistance R 3, the 4th resistance R 4,Five resistance R 5, the 6th resistance R 6, the 7th resistance R 7 and the 8th resistance R 8, the base stage string of described triode Q3Join the 6th resistance R 6 and be connected to main control chip the second control end, the grounded emitter of triode Q3, described threeColelctor electrode series connection the 5th resistance R 5 of utmost point pipe Q3 is connected to the reference utmost point of described TL431, described TL431'sPlus earth, the 3rd resistance R 3 of connecting between the reference utmost point of described TL431 and anode, the ginseng of described TL431Examine the output that utmost point series connection the 4th resistance R 4 is connected to described main power source, one end of the 8th resistance R 8 is connected toThe output of described main power source, other end series connection the 7th resistance R 7 of the 8th resistance R 8 is connected to described TL431Negative electrode, the two ends of described the 7th resistance R 7 connect respectively two inputs of described optocoupler U2, described optocouplerThe output connecting valve power supply control chip of U2;
The feedback factor of described backfeed loop is by described main control chip the second control end control, when described master control coreSheet the second control end output voltage control signal falls while being high level, switch triode Q3 conducting, makes the 3rdResistance R 3 is in parallel with the 5th resistance R 5, and the feedback factor of backfeed loop reduces, and output voltage reduces; Otherwise,When falling voltage control signal while being low level, main power source output HIGH voltage.
7. control circuit device according to claim 3, is characterized in that:
Described on-off circuit comprises PNP triode Q1, NPN triode Q2, the first resistance R 1 and the second resistanceR2, and a capacitor C 1; The base stage of described NPN triode Q2 is driving signal end, and is connected to described masterControl chip, the base stage of described NPN triode Q2 is connected with one end of the second resistance R 2 simultaneously, and described secondThe grounded emitter of the other end of resistance R 2 and described NPN triode Q2, the colelctor electrode of NPN triode Q2After connecting with the first resistance R 1, be connected with the base stage of described PNP triode Q1; Described PNP triode Q1'sEmitter stage is connected to the output of described main power source, and colelctor electrode, as output, is connected with low-power load,The colelctor electrode of described PNP triode Q1 connect with described capacitor C 1 after ground connection, described PNP triode Q1 leadsAfter logical, low-power load is connected main power source.
8. control circuit device according to claim 1, is characterized in that:
Described high power load comprises relay, direct current generator and control circuit thereof; In described electric equipmentLow-power load comprises the temperature-sensitive bag circuit, key circuit and the signal that are connected with each parts in described electric equipmentAmplifying circuit.
9. a control method for quasi-zero power consumption standby control circuit device, described quasi-zero power consumption standby control electricityRoad device is the quasi-zero power consumption standby control circuit device described in claim 2-7 any one, it is characterized in that:
Comprise start step and standby step;
Described start step is: when described signal receiving device is received waking up yard of starting-up signal, described in triggeringMain control chip exits low-power consumption mode, makes described main control chip receive starting-up signal, and controls described switchContactor conducting, described low-power load obtains electric, then described main control chip control gauge tap conducting,Described auxiliary power is obtained electric, and then it is electric that described high power load is obtained, then enter start running status;
Described standby step is: enter after standby mode, described gauge tap disconnects, and described in turn-offing, opens simultaneouslyClose circuit, make the disconnection that is connected of described low-power load and main power source; Then controlling main power source output voltage subtractsLittle, described main control chip enters low-power consumption mode simultaneously.
10. quasi-zero power consumption standby control method according to claim 9, is characterized in that:
The form of described starting-up signal comprises and wakes code and data two parts up, described in wake up yard front, described numberAccording to rear; Described signal receiving device wakes code up described in first receiving, after receive described data;
In the time waking up described in described signal receiving device is received yard, described main control chip is called out from low-power consumption modeWake up, entering signal receives wait state, then receives the described data division of described starting-up signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151357.0A CN103425056B (en) | 2012-05-15 | 2012-05-15 | Quasi-zero power consumption standby control circuit device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151357.0A CN103425056B (en) | 2012-05-15 | 2012-05-15 | Quasi-zero power consumption standby control circuit device and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103425056A CN103425056A (en) | 2013-12-04 |
| CN103425056B true CN103425056B (en) | 2016-05-04 |
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