CN103066690B - Low-power consumption standby circuit - Google Patents
Low-power consumption standby circuit Download PDFInfo
- Publication number
- CN103066690B CN103066690B CN201310002931.0A CN201310002931A CN103066690B CN 103066690 B CN103066690 B CN 103066690B CN 201310002931 A CN201310002931 A CN 201310002931A CN 103066690 B CN103066690 B CN 103066690B
- Authority
- CN
- China
- Prior art keywords
- electronic circuit
- circuit
- power supply
- wave tube
- travelling wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention discloses a kind of low-power consumption standby circuit, described low-power consumption standby circuit comprises main switch power supply electronic circuit, for providing operating voltage for electrical appliance; Switching over electronic circuit, one end is connected the other end with described main switch power supply electronic circuit and is connected with electrical network, to control the operating state of described main switch power supply electronic circuit; Standby switches power supply electronic circuit, input is connected with electrical network, and output is connected with energy-storage travelling wave tube, thinks that described energy-storage travelling wave tube provides charging voltage, and described energy-storage travelling wave tube is used for providing operating voltage for Master control chip and corresponding load; Charge and discharge switch electronic circuit, between the output being connected to described standby switches power supply electronic circuit and energy-storage travelling wave tube, for controlling the discharge and recharge of described energy-storage travelling wave tube.Present invention reduces stand-by power consumption, be more suitable for people and use.
Description
Technical field
The present invention relates to technical field of electronic products, particularly a kind of low-power consumption standby circuit.
Background technology
Low-carbon (LC) life is the development trend of society, and energy-saving and emission-reduction are the common topics of various circles of society.Household electrical appliance are in daily life all many times do not pull up plug, and namely within very long a period of time, these electrical equipment are all in holding state.In prior art, electrical appliance adopts switching power circuit to power usually, in the standby state, by Switching Power Supply, fractional load is powered, but because the power of Switching Power Supply autophage is comparatively large, therefore make the power consumption under holding state comparatively large, need improvement badly.
Summary of the invention
Main purpose of the present invention is to provide a kind of low-power consumption standby circuit, is intended to reduce stand-by power consumption.
To achieve these goals, the invention provides a kind of low-power consumption standby circuit, described low-power consumption standby circuit comprises:
Main switch power supply electronic circuit, for providing operating voltage for electrical appliance;
Switching over electronic circuit, one end is connected the other end with described main switch power supply electronic circuit and is connected with electrical network, to control the operating state of described main switch power supply electronic circuit;
Standby switches power supply electronic circuit, input is connected with electrical network, and output is connected with energy-storage travelling wave tube, thinks that described energy-storage travelling wave tube provides charging voltage, and described energy-storage travelling wave tube is used for providing operating voltage for Master control chip and corresponding load;
Charge and discharge switch electronic circuit, between the output being connected to described standby switches power supply electronic circuit and energy-storage travelling wave tube, for controlling the discharge and recharge of described energy-storage travelling wave tube.
Preferably, the positive voltage output end of described energy-storage travelling wave tube is connected with described Master control chip by stream translation electronic circuit always.
Preferably, the output of described direct current conversion sub-circuit be connected one first diode between described load, the anode of this first diode is connected with the output of described direct current conversion sub-circuit; Negative electrode is connected with described load; The output of described main switch power supply electronic circuit is connected with the negative electrode of described first diode by the second diode; The negative electrode of described first diode is connected with Master control chip with the junction of the negative electrode of the second diode, thinks that described Master control chip is powered.
Preferably, described low-power consumption standby circuit also comprises feedback sub-circuit, this feedback sub-circuit is connected with the output of described main switch power supply electronic circuit and Master control chip, so that the output end voltage of described main switch power supply electronic circuit is fed back to Master control chip respectively.
Preferably, described direct current conversion sub-circuit is less than described main switch power supply electronic circuit by the second diode output voltage by the voltage that the first diode exports.
Preferably, described energy-storage travelling wave tube is the first electric capacity, and described first electric capacity is super capacitor.
Preferably, described switching over electronic circuit comprises the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first triode, two-way optocoupler and bidirectional triode thyristor; Wherein, the first triode is NPN triode, and its base stage is connected with Master control chip by the first resistance, grounded emitter, and collector electrode is connected with the negative electrode of light-emitting diode in described two-way optocoupler; In two-way optocoupler, the anode of light-emitting diode is connected with the output of described direct current conversion sub-circuit by the second resistance, and one end of receiving terminal is connected with the live wire of electrical network by the 3rd resistance, and the other end is connected with the control pole of bidirectional triode thyristor; The first anode of described bidirectional triode thyristor is connected with the live wire of described electrical network, and second plate is connected with described main switch power supply electronic circuit, and is connected with the control pole of this bidirectional triode thyristor by the 4th resistance.
Preferably, described charge and discharge switch electronic circuit comprises the first field effect transistor, the second field effect transistor, the 3rd field effect transistor, the 5th resistance, the 6th resistance, the 7th resistance, the second electric capacity and the 3rd diode, wherein the drain electrode of the first field effect transistor is connected with the negative electrode of the 3rd diode, and be connected with the grid of the second field effect transistor and the drain electrode of the 3rd field effect transistor respectively by the 5th resistance, grid is connected with the drain electrode of the second field effect transistor, and source electrode is connected with the positive pole of described first electric capacity; The source ground of the second field effect transistor; The grid of the 3rd field effect transistor is connected with Master control chip, and by the 6th grounding through resistance, source ground; Be connected between the grid of the first field effect transistor and drain electrode after second electric capacity and the 7th resistor coupled in parallel; The anode of described 3rd diode is connected with the output of described standby switches power supply electronic circuit.
Preferably, described low-power consumption standby circuit also comprises detection electronic circuit, one end of this detection electronic circuit is connected with described energy-storage travelling wave tube, the other end is connected with Master control chip, and according to the voltage output voltage feedback signal of energy-storage travelling wave tube to Master control chip, control the operating state of described charge and discharge switch electronic circuit for Master control chip.
Preferably, described low-power consumption standby circuit also comprises the load switch electronic circuit be connected with the output of described main switch power supply electronic circuit for control load.
Low-power consumption standby circuit provided by the invention operationally, when electrical appliance enters holding state, output control signals to switching over electronic circuit by Master control chip, thus cut off the connection of main switch power supply electronic circuit and electrical network, main switch power supply electronic circuit is quit work.Now by energy-storage travelling wave tube, circuit corresponding in Master control chip and holding state is powered, and by charge and discharge switch electronic circuit, when the voltage of energy-storage travelling wave tube is lower, standby switches power supply electronic circuit is communicated with energy-storage travelling wave tube, to charge to energy-storage travelling wave tube, when the voltage of energy-storage travelling wave tube charging is higher, disconnect the connection of standby switches power supply electronic circuit and energy-storage travelling wave tube, thus stop the charging to energy-storage travelling wave tube.Due in the process of carrying out discharging at energy-storage travelling wave tube, the zero load of standby switches power supply electronic circuit exports, and the power therefore consumed is zero substantially; Meanwhile, because standby switches power supply electronic circuit only needs to provide charging voltage to energy-storage travelling wave tube, therefore for main switch power supply electronic circuit, the power consumed during work is lower.Therefore low-power consumption standby circuit provided by the invention can reduce stand-by power consumption, is more suitable for people and uses.
Accompanying drawing explanation
Fig. 1 is the structural representation of low-power consumption standby circuit one embodiment of the present invention;
Fig. 2 is the structural representation of another embodiment of low-power consumption standby circuit of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to the structural representation that Fig. 1, Fig. 1 are low-power consumption standby circuit one embodiment of the present invention.The low-power consumption standby circuit that the present embodiment provides comprises:
Main switch power supply electronic circuit 10, for providing operating voltage for electrical appliance;
Switching over electronic circuit 11, one end is connected the other end with main switch power supply electronic circuit 10 and is connected with electrical network 12, to control the operating state of main switch power supply electronic circuit 10;
Standby switches power supply electronic circuit 13, input is connected with electrical network 12, and output is connected with energy-storage travelling wave tube 14, thinks that described energy-storage travelling wave tube provides charging voltage, and described energy-storage travelling wave tube is used for providing operating voltage for Master control chip 15;
Charge and discharge switch electronic circuit 16, between the output being connected to standby switches power supply electronic circuit 13 and energy-storage travelling wave tube 14, for controlling the discharge and recharge of energy-storage travelling wave tube 14.
Low-power consumption standby circuit provided by the invention operationally, when electrical appliance enters holding state, output control signals to switching over electronic circuit 11 by Master control chip 15, thus cut off main switch power supply electronic circuit 10 and the connection of electrical network 12, main switch power supply electronic circuit 10 is quit work.Now powered by circuit corresponding in energy-storage travelling wave tube 14 pairs of Master control chips 15 and holding state, and by charge and discharge switch electronic circuit 16, when the voltage of energy-storage travelling wave tube 14 is lower, standby switches power supply electronic circuit 13 is communicated with energy-storage travelling wave tube 14, to charge to energy-storage travelling wave tube 14, when the voltage that energy-storage travelling wave tube 14 charges is higher, disconnect the connection of standby switches power supply electronic circuit 13 and energy-storage travelling wave tube 14, thus stop the charging to energy-storage travelling wave tube 14.Owing to carrying out in the process of discharging at energy-storage travelling wave tube 14, the zero load of standby switches power supply electronic circuit 13 exports, and the power therefore consumed is zero substantially; Meanwhile, because standby switches power supply electronic circuit 13 needs will provide charging voltage to energy-storage travelling wave tube 14, therefore for main switch power supply electronic circuit 10, the power consumed during work is lower.Therefore low-power consumption standby circuit provided by the invention can reduce stand-by power consumption, is more suitable for people and uses.
Further, the positive voltage output end of above-mentioned energy-storage travelling wave tube 14 is connected with Master control chip 15 by stream translation electronic circuit 17 always.
In the present embodiment, above-mentioned direct current conversion sub-circuit 17 is DC-DC change-over circuit, and the voltage transitions of energy-storage travelling wave tube 14 can be become stable and the specific voltage (such as 3.3V) that Master control chip 15 can be made to work by this direct current conversion sub-circuit 17.The present embodiment adjusts by arranging direct current conversion sub-circuit 17 voltage that energy-storage travelling wave tube 14 exports Master control chip 15 to, thus improves the stability of circuit working.
In conjunction with the structural representation with reference to Fig. 2, Fig. 2 being another embodiment of low-power consumption standby circuit of the present invention.In the present embodiment, the output of above-mentioned direct current conversion sub-circuit 17 be connected one first diode D1 between above-mentioned load, the anode of this first diode D1 is connected with the output of direct current conversion sub-circuit 17; Negative electrode is connected with load; The output of main switch power supply electronic circuit 10 is connected with the negative electrode of the first diode D1 by the second diode D2; The negative electrode of described first diode D1 is connected with Master control chip 15 with the junction of the negative electrode of the second diode D2, thinks that Master control chip 15 is powered.
In the present embodiment, the negative electrode of above-mentioned second diode D2 is connected with the first diode D1 negative electrode, anode is connected with the output of main switch power supply electronic circuit 10, because diode has the unidirectional general character, therefore can effectively prevent when holding state, the electric current reverse flow exported by the first diode D1 is become owner of in Switching Power Supply electronic circuit 10, prevents the related load in main switch power supply electronic circuit 10 associated loop to form power circuit and stand-by power consumption is increased.
Based on above-described embodiment, in the present embodiment, above-mentioned low-power consumption standby circuit also comprises feedback sub-circuit 18, this feedback sub-circuit 18 is connected with the output of main switch power supply electronic circuit 10 and Master control chip 15, so that the output end voltage of main switch power supply electronic circuit 10 is fed back to Master control chip 15 respectively.
Particularly, above-mentioned feedback sub-circuit 18 comprises the first divider resistance R101 and the second divider resistance R102, wherein one end of the first divider resistance R101 is connected with the output of main switch power supply electronic circuit 10, the other end is connected with the I/O port of Master control chip 15, and by the second divider resistance R102 ground connection.For convenience of description, the pinout be herein connected with the first divider resistance R101 by Master control chip 15 is POWER_CHK pin.When energy-storage travelling wave tube 14 is in discharge condition, if now electrical appliance start, then output control signal is controlled above-mentioned switching over electronic circuit 11 and opens by Master control chip 15, thus main switch power supply electronic circuit 10 is connected with electrical network 12.If now the POWER_CHK pin of Master control chip 15 is low level, then judge that electrical network 12 disconnects (such as attaching plug is extracted), Master control chip 15 will control electrical appliance to be continued to keep holding state; If now the POWER_CHK pin of Master control chip 15 is high level, then judge that electrical network 12 is normally connected with main switch power supply electronic circuit 10, Master control chip 15 will control electrical appliance normal boot-strap.
Be understandable that, above-mentioned energy-storage travelling wave tube 14 can be arranged according to actual needs, and in the present embodiment, energy-storage travelling wave tube 14 is preferably one first electric capacity C1, and this first electric capacity C1 is super capacitor.The positive pole of this first electric capacity C1 is connected with charge and discharge switch electronic circuit 16, minus earth.
Particularly, above-mentioned switching over electronic circuit 11 comprises the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the first triode Q1, two-way optocoupler DPT01 and bidirectional triode thyristor TR01; Wherein, the first triode Q1 is NPN triode, and its base stage is connected with Master control chip 15 by the first resistance R1, grounded emitter, and collector electrode is connected with the negative electrode of light-emitting diode in two-way optocoupler DPT01; In two-way optocoupler DPT01, the anode of light-emitting diode is connected with the output of direct current conversion sub-circuit 17 by the second resistance R2, one end of receiving terminal is connected with the live wire 12L of electrical network 12 with by the 3rd resistance R3, and the other end is connected with the control pole of bidirectional triode thyristor TR01; The first anode of bidirectional triode thyristor TR01 is connected with the live wire of electrical network 12L, and second plate is connected with main switch power supply electronic circuit 10, and is connected with the control pole of this bidirectional triode thyristor TR01 by the 4th resistance R4.
In the present embodiment, the zero line 12N of above-mentioned electrical network 12 is connected with above-mentioned main switch power supply electronic circuit 10, above-mentioned first resistance R1 is connected with the MSPS_EN pin of Master control chip 15, when powering on for the first time, MSPS_EN pin is low level, now the first triode Q1, two-way optocoupler DPT01 and bidirectional triode thyristor TR01 all end, and main switch power supply electronic circuit 10, without alternating current input, makes main switch power supply electronic circuit 10 not work.When electrical appliance is started shooting, export high level, make the first triode Q1 conducting, thus make two-way optocoupler DPT01 conducting by the MSPS_EN pin of Master control chip 15, and then control bidirectional triode thyristor TR01 conducting, now main switch power supply electronic circuit 10 normally works.
Be understandable that, in the present embodiment, control main switch power supply electronic circuit 10 by adopting bidirectional triode thyristor TR01 and be connected with the live wire 12L of electrical network 12, in other embodiments, live wire 12L also by other switch elements control electrical network 12 connects, such as relay etc.
Particularly, above-mentioned charge and discharge switch electronic circuit 16 comprises the first field effect transistor Q11, the second field effect transistor Q12, the 3rd field effect transistor Q13, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the second electric capacity C2 and the 3rd diode D3, wherein the drain electrode of the first field effect transistor Q11 is connected with the negative electrode of the 3rd diode D3, and be connected with the grid of the second field effect transistor Q12 and the drain electrode of the 3rd field effect transistor Q13 respectively by the 5th resistance R5, grid is connected with the drain electrode of the second field effect transistor Q12, and source electrode is connected with the positive pole of the first electric capacity C1; The source ground of the second field effect transistor Q12; The grid of the 3rd field effect transistor Q13 is connected with Master control chip 15, and by the 6th resistance R6 ground connection, source ground; Be connected between the grid of the first field effect transistor Q1 and drain electrode after second electric capacity C2 and the 7th resistance R7 parallel connection; The anode of the 3rd diode D3 is connected with the output of standby switches power supply electronic circuit 13.
Based on above-described embodiment, in the present embodiment, above-mentioned low-power consumption standby circuit also comprises detection electronic circuit 19, one end of this detection electronic circuit 19 is connected with energy-storage travelling wave tube 14, the other end is connected with Master control chip 15, and output control signals to Master control chip 15 according to the voltage of energy-storage travelling wave tube 14, the operating state of charge and discharge switch electronic circuit 16 is controlled for Master control chip 15.
In the present embodiment, the first field effect transistor Q11 is P-channel field-effect transistor (PEFT) pipe, and the second field effect transistor Q12 and the 3rd field effect transistor Q13 is N channel field-effect pipe, and the grid of the 3rd field effect transistor Q13 is connected with the ZSPS_EN pin of Master control chip 15.
When above-mentioned detection electronic circuit 19 detects that the magnitude of voltage of energy-storage travelling wave tube 14 is less than first threshold, output charging unlatching is controlled signal to Master control chip 15, Master control chip 15 will open control signal control ZSPS_EN pin output low level according to this charging, and the 3rd field effect transistor Q13 will end.Now by pull-up resistor the 5th resistance R5, the grid of the second field effect transistor Q12 is set high level, thus make the second field effect transistor Q12 conducting, the grid causing the first field effect transistor Q11 is low level, and then makes the first field effect transistor Q11 conducting.Now, standby switches power supply electronic circuit 13 will be communicated with energy-storage travelling wave tube 14, to charge to energy-storage travelling wave tube 14.In the process of charging, when above-mentioned detection electronic circuit 19 detects that the magnitude of voltage of energy-storage travelling wave tube 14 is greater than Second Threshold, Master control chip 15 will open control signal control ZSPS_EN pin output low level according to this charging, 3rd field effect transistor Q13 by conducting, thus makes the second field effect transistor Q12 and the first field effect transistor Q11 end.Now, energy-storage travelling wave tube 14 will be in discharge condition.
It should be noted that in the present embodiment, the large I of above-mentioned first threshold and Second Threshold is arranged according to actual needs, and be not further limited at this, first threshold is preferably 2V, and Second Threshold is preferably 5V.Above-mentioned detection electronic circuit 19 can be arranged according to actual needs, such as, voltage checking chip can be adopted to carry out voltage detecting to energy-storage travelling wave tube 14.
Further, based on above-described embodiment, in the present embodiment, above-mentioned low-power consumption standby circuit also comprises the Signal reception electronic circuit 20 receiving standby command and start-up command, this Signal reception electronic circuit 20 is connected with Master control chip 15, control signal to Master control chip 15 accordingly to export according to received standby command and start-up command, this Master control chip 15 controls electrical appliance according to the control signal that Signal reception electronic circuit sends and enters operating state or holding state.
In the present embodiment, for television set, standby command and start-up command trigger by the button on remote controller or television set, and above-mentioned Signal reception electronic circuit 20 is infrared receiving circuit and push button signalling receiving circuit.
Further, above-mentioned low-power consumption standby circuit also comprises the load switch electronic circuit 21 be connected with the output of main switch power supply electronic circuit 10 for control load.
In the present embodiment, load comprises the first load 22 and the second load 23, and the wherein load that must power for holding state of the first load 22, the second load 23 is the load of the nonessential power supply of holding state.First load 23 is connected with the output of main switch power supply electronic circuit 10 by load switch electronic circuit 21.When there is the first diode D1 and the second diode D2 if it should be noted that, the first load 23 is connected with the negative electrode of the second diode D2 by load switch electronic circuit 21.
Above-mentioned load switch electronic circuit 21 comprises the 4th field effect transistor Q14, the second triode Q2, the 3rd electric capacity C3, the 8th resistance R8 and the 9th resistance R9 particularly, wherein the drain electrode of the 4th field effect transistor Q14 is connected with the negative electrode of the second diode D2, source electrode is connected with the second load 23, and grid is connected with the collector electrode of the second triode Q2; Second triode Q2 is NPN triode, its grounded emitter, and base stage is connected with Master control chip 15 by the 8th resistance R8; Between the drain and gate being connected to the 4th field effect transistor Q14 after 9th resistance R9 and the 3rd electric capacity C3 parallel connection.
When electrical appliance is in holding state, Master control chip 15 outputs control signals to the base stage of the second triode Q2 to control the closedown of the second triode Q2 by the 8th resistance R8, thus the 4th field effect transistor 14 is closed, and then makes the second load 23 power-off.Therefore effectively can extend the discharge time of energy-storage travelling wave tube 14, thus effectively reduce stand-by power consumption further.
In the present embodiment, when circuit powers on standby, standby switches power supply electronic circuit 13 works, charge and discharge switch electronic circuit is when powering on because pull-up resistor R5 cause makes electronic circuit conducting, and the voltage at energy-storage travelling wave tube 14 two ends will be powered to Master control chip 15, first load 22 and Signal reception electronic circuit 20 by DC converting circuit 17, first diode D1.
After Signal reception electronic circuit 20 receives starting-up signal, Master control chip 15 control switch switches electronic circuit 11 makes main switch power supply electronic circuit 10 switch on power, and by the second diode D2 output voltage.Because direct current conversion sub-circuit 17 is less than main switch power supply electronic circuit 10 by the second diode D2 output voltage by the voltage that the first diode D1 exports, thus the output of standby switches power supply electronic circuit 10 is cut off, now standby switches power supply electronic circuit 10 is in Light Condition.All loads comprise the first load 22, second load 23, Master control chip 15 and Signal reception electronic circuit 20 and are all powered by main switch power supply electronic circuit 10.It should be noted that the voltage that in the present embodiment, above-mentioned main switch power supply electronic circuit 10 is exported by the second diode D2 is 5V, direct current conversion sub-circuit 17 is 3.3V by the voltage that the first diode D1 exports.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a low-power consumption standby circuit, is characterized in that: comprising:
Main switch power supply electronic circuit, for providing operating voltage for electrical appliance;
Switching over electronic circuit, one end is connected the other end with described main switch power supply electronic circuit and is connected with electrical network, to control the operating state of described main switch power supply electronic circuit;
Standby switches power supply electronic circuit, input is connected with electrical network, and output is connected with energy-storage travelling wave tube, thinks that described energy-storage travelling wave tube provides charging voltage, and described energy-storage travelling wave tube is used for providing operating voltage for Master control chip and corresponding load;
Charge and discharge switch electronic circuit, between the output being connected to described standby switches power supply electronic circuit and energy-storage travelling wave tube, for controlling the discharge and recharge of described energy-storage travelling wave tube;
When electrical appliance enters holding state, output control signals to described switching over electronic circuit by described Master control chip, cut off the connection of described main switch power supply electronic circuit and electrical network, quit work to make described main switch power supply electronic circuit;
When the magnitude of voltage of described energy-storage travelling wave tube is less than first threshold, by charge and discharge switch electronic circuit, standby switches power supply electronic circuit is communicated with energy-storage travelling wave tube, to charge to energy-storage travelling wave tube; When the magnitude of voltage of described energy-storage travelling wave tube is greater than Second Threshold, by charge and discharge switch electronic circuit, standby switches power supply electronic circuit and energy-storage travelling wave tube is disconnected, discharge to make energy-storage travelling wave tube; Described first threshold is less than described Second Threshold.
2. low-power consumption standby circuit as claimed in claim 1, is characterized in that: the positive voltage output end of described energy-storage travelling wave tube passes through stream translation electronic circuit always and is connected with described Master control chip.
3. low-power consumption standby circuit as claimed in claim 2, is characterized in that: the output of described direct current conversion sub-circuit be connected one first diode between described load, the anode of this first diode is connected with the output of described direct current conversion sub-circuit; Negative electrode is connected with described load; The output of described main switch power supply electronic circuit is connected with the negative electrode of described first diode by the second diode; The negative electrode of described first diode is connected with Master control chip with the junction of the negative electrode of the second diode, thinks that described Master control chip is powered.
4. low-power consumption standby circuit as claimed in claim 3, it is characterized in that: described low-power consumption standby circuit also comprises feedback sub-circuit, this feedback sub-circuit is connected with the output of described main switch power supply electronic circuit and Master control chip, so that the output end voltage of described main switch power supply electronic circuit is fed back to Master control chip respectively.
5. low-power consumption standby circuit as claimed in claim 3, is characterized in that: described direct current conversion sub-circuit is less than described main switch power supply electronic circuit by the second diode output voltage by the voltage that the first diode exports.
6. low-power consumption standby circuit as claimed in claim 2, it is characterized in that: described energy-storage travelling wave tube is the first electric capacity, described first electric capacity is super capacitor.
7. low-power consumption standby circuit as claimed in claim 6, is characterized in that: described switching over electronic circuit comprises the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first triode, two-way optocoupler and bidirectional triode thyristor; Wherein, the first triode is NPN triode, and its base stage is connected with Master control chip by the first resistance, grounded emitter, and collector electrode is connected with the negative electrode of light-emitting diode in described two-way optocoupler; In two-way optocoupler, the anode of light-emitting diode is connected with the output of described direct current conversion sub-circuit by the second resistance, and one end of receiving terminal is connected with the live wire of electrical network with by the 3rd resistance, and the other end is connected with the control pole of bidirectional triode thyristor; The first anode of described bidirectional triode thyristor is connected with the live wire of described electrical network, and second plate is connected with described main switch power supply electronic circuit, and is connected with the control pole of this bidirectional triode thyristor by the 4th resistance.
8. low-power consumption standby circuit as claimed in claim 6, it is characterized in that: described charge and discharge switch electronic circuit comprises the first field effect transistor, the second field effect transistor, the 3rd field effect transistor, the 5th resistance, the 6th resistance, the 7th resistance, the second electric capacity and the 3rd diode, wherein the drain electrode of the first field effect transistor is connected with the negative electrode of the 3rd diode, and be connected with the grid of the second field effect transistor and the drain electrode of the 3rd field effect transistor respectively by the 5th resistance, grid is connected with the drain electrode of the second field effect transistor, and source electrode is connected with the positive pole of described first electric capacity; The source ground of the second field effect transistor; The grid of the 3rd field effect transistor is connected with Master control chip, and by the 6th grounding through resistance, source ground; Be connected between the grid of the first field effect transistor and drain electrode after second electric capacity and the 7th resistor coupled in parallel; The anode of described 3rd diode is connected with the output of described standby switches power supply electronic circuit.
9. the low-power consumption standby circuit as described in any one of claim 1 to 8, it is characterized in that: described low-power consumption standby circuit also comprises detection electronic circuit, one end of this detection electronic circuit is connected with described energy-storage travelling wave tube, the other end is connected with Master control chip, and according to the voltage output voltage feedback signal of energy-storage travelling wave tube to Master control chip, control the operating state of described charge and discharge switch electronic circuit for Master control chip.
10. low-power consumption standby circuit as claimed in claim 1, is characterized in that: described low-power consumption standby circuit also comprises the load switch electronic circuit be connected with the output of described main switch power supply electronic circuit for control load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002931.0A CN103066690B (en) | 2013-01-04 | 2013-01-04 | Low-power consumption standby circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002931.0A CN103066690B (en) | 2013-01-04 | 2013-01-04 | Low-power consumption standby circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103066690A CN103066690A (en) | 2013-04-24 |
| CN103066690B true CN103066690B (en) | 2015-09-30 |
Family
ID=48109196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310002931.0A Active CN103066690B (en) | 2013-01-04 | 2013-01-04 | Low-power consumption standby circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103066690B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181870B (en) | 2013-05-24 | 2017-06-16 | 华为技术有限公司 | Control method and device |
| CN105449730B (en) * | 2014-09-18 | 2018-08-31 | 联想(北京)有限公司 | A kind of power circuit, battery and electronic equipment |
| JP6725173B2 (en) * | 2016-08-12 | 2020-07-15 | アズビル株式会社 | Interface circuit |
| CN106339066B (en) * | 2016-11-15 | 2023-10-20 | 歌尔科技有限公司 | Power consumption control method, circuit and wearable electronic product |
| CN111490689B (en) * | 2019-01-25 | 2021-07-27 | 广东美的白色家电技术创新中心有限公司 | Control method for reducing standby power consumption, switching power supply, equipment and storage medium |
| CN110264694A (en) * | 2019-07-09 | 2019-09-20 | 杭州博联智能科技股份有限公司 | Circuit, method, WIFI module and remote controler are realized in low-power consumption |
| CN110223496A (en) * | 2019-07-09 | 2019-09-10 | 杭州博联智能科技股份有限公司 | Sensor-based method for realizing low power consumption, device, terminal, medium and system |
| CN110351817A (en) * | 2019-07-09 | 2019-10-18 | 杭州博联智能科技股份有限公司 | Method for realizing low power consumption, device, terminal, medium and wireless telecommunication system |
| CN116045485A (en) * | 2022-12-30 | 2023-05-02 | 珠海格力电器股份有限公司 | Low-power-consumption circuit of air conditioner and air conditioner |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388565A (en) * | 2008-10-14 | 2009-03-18 | 哈尔滨工程大学 | Low-power consumption standby circuit and standby control method |
| CN201307902Y (en) * | 2008-12-05 | 2009-09-09 | 深圳创维－Rgb电子有限公司 | TV set with zero power consumption when standing by |
| CN101635513A (en) * | 2008-07-23 | 2010-01-27 | 深圳Tcl新技术有限公司 | Stand-by circuit |
| CN201616868U (en) * | 2009-12-23 | 2010-10-27 | 利尔达科技有限公司 | Stand-by circuit with low power consumption for television |
| CN102594124A (en) * | 2012-02-28 | 2012-07-18 | 深圳麦格米特电气股份有限公司 | Switching power circuit and control method |
| CN203104091U (en) * | 2013-01-04 | 2013-07-31 | 广东美的制冷设备有限公司 | Low power-consumption standby circuit |
-
2013
- 2013-01-04 CN CN201310002931.0A patent/CN103066690B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101635513A (en) * | 2008-07-23 | 2010-01-27 | 深圳Tcl新技术有限公司 | Stand-by circuit |
| CN101388565A (en) * | 2008-10-14 | 2009-03-18 | 哈尔滨工程大学 | Low-power consumption standby circuit and standby control method |
| CN201307902Y (en) * | 2008-12-05 | 2009-09-09 | 深圳创维－Rgb电子有限公司 | TV set with zero power consumption when standing by |
| CN201616868U (en) * | 2009-12-23 | 2010-10-27 | 利尔达科技有限公司 | Stand-by circuit with low power consumption for television |
| CN102594124A (en) * | 2012-02-28 | 2012-07-18 | 深圳麦格米特电气股份有限公司 | Switching power circuit and control method |
| CN203104091U (en) * | 2013-01-04 | 2013-07-31 | 广东美的制冷设备有限公司 | Low power-consumption standby circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103066690A (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103066690B (en) | Low-power consumption standby circuit | |
| CN101770248B (en) | Intermittent power supply micropower standby control circuit | |
| CN212725408U (en) | Battery management circuit and power supply circuit | |
| CN205793566U (en) | A kind of single live wire switch | |
| CN201623531U (en) | Automatic switching circuit of main power supply and standby power supply | |
| CN203219450U (en) | Set top box true standby and standby wake-up circuit and set top box | |
| CN202904280U (en) | Control circuit approaching to zero standby power consumption | |
| CN103326459B (en) | Low-voltage direct-current power supply switchover circuit and direct-current power supply | |
| CN201312139Y (en) | Power supply controller | |
| CN205051933U (en) | LED driving power supply | |
| CN107733413B (en) | Intelligent switch circuit and intelligent terminal of pre-installation battery system | |
| CN203104091U (en) | Low power-consumption standby circuit | |
| CN203984377U (en) | One is with soft start and turn-off switching circuit fast | |
| CN201556975U (en) | Standby automatic power-off device with intelligence, safety and energy conservation | |
| CN105262183A (en) | Power-saving type USB charging structure | |
| CN203368331U (en) | Switch power supply with input under-voltage protection function | |
| CN202276031U (en) | Power-off zero-power-consumption automatic power-off circuit and equipment standby automatic power-off receptacle | |
| CN108306345A (en) | Intelligent energy-saving device of energy storage inverter system | |
| CN205427505U (en) | Zero power consumption standby circuit and electronic product | |
| CN104734326A (en) | Solar power supply and mains supply complementary usage regulation and control device | |
| CN204089330U (en) | A kind of adaptive power-supply battery supplies power with double circuit device | |
| CN203260184U (en) | Infrared remote controller | |
| CN204156835U (en) | Standby start-up circuit and electronic equipment | |
| CN201233526Y (en) | Burp type standby circuit for switch electric power and electronic apparatus | |
| CN209526556U (en) | Power supply switch circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |