CN203311201U - Zero standby power consumption control circuit for household appliance - Google Patents

Zero standby power consumption control circuit for household appliance Download PDF

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Publication number
CN203311201U
CN203311201U CN2013203132643U CN201320313264U CN203311201U CN 203311201 U CN203311201 U CN 203311201U CN 2013203132643 U CN2013203132643 U CN 2013203132643U CN 201320313264 U CN201320313264 U CN 201320313264U CN 203311201 U CN203311201 U CN 203311201U
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China
Prior art keywords
chip microcomputer
power
switch
control circuit
connects
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Withdrawn - After Issue
Application number
CN2013203132643U
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Chinese (zh)
Inventor
曾洋
刘清良
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Jiangsu Youao Electric Appliance Co Ltd
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Jiangsu Youao Electric Appliance Co Ltd
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Priority to CN2013203132643U priority Critical patent/CN203311201U/en
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Publication of CN203311201U publication Critical patent/CN203311201U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a zero standby power consumption control circuit for a household appliance. The control circuit comprises a first manual switch, a second manual switch, a first relay, a driver, a first switch triode, a single-chip microcomputer, a power supply switch, a second switch triode, a third switch triode, a resistor, an alkaline button cell and a short-time energy storage capacitor. Under a condition that the household appliance is switched on, all the power consumption of the control circuit comes from an external power supply; under a condition that the household appliance is switched on and switched off, or a condition after the household appliance being switched off, the power consumption of the control circuit all comes from the alkaline button cell, and the power consumption of the power supply of the household appliance in a standby state is 0 W; and after the household appliance being switched off, even a power line is not unplugged, the whole machine does not consume the electric quantity of the power supply of a user. According to the control by relative circuits, requirements of zero standby power consumption for the household appliance are totally met, and the increased cost is limited, so that the requirements are easily fulfilled. The control circuit module is applicable to the household appliance.

Description

A kind of control circuit of family appliance standby zero-power
Technical field
The utility model relates to a kind of control circuit, particularly a kind of control circuit of family appliance standby zero-power.
Background technology
The stand-by power consumption of household electrical appliance is causing the extensive concern of entire society, and according to incompletely statistics, the energy that stand-by power consumption loses accounts for 2% of gross generation, and this is a considerable numeral.In most cases, the user is the power lead that can specially not remove to pull out household electrical appliance when closing electrical equipment, although machine does not carry out the operation of corresponding function in the case, but the relevant components and parts of its machine intimate are still in work, waste electric power in vain, the time of its many household electrical appliance standbies is far longer than the time of machine work, to such an extent as to the electric weight consumed is very large.
The utility model content
The purpose of this utility model is to provide a kind of circuit control module of zero-power, can fundamentally solve foregoing problems, after user's shutdown, do not need to go specially to pull out the power lead of machine, and machine can not consume user's electric weight.
The technical scheme that realizes the utility model purpose is a kind of control circuit of family appliance standby zero-power, comprises the first hand switch, the second hand switch, the first relay, driver, the first switch triode, single-chip microcomputer, power switch, second switch triode, the 3rd switch triode, resistance, alkali button battery and storage capacitor in short-term; Described the first hand switch is arranged on live wire; Described the first relay and the first manual switch in parallel, and by driver drives; Described single-chip microcomputer connects the 5V power supply after the household electrical appliances subsequent conditioning circuit is changed by the 3rd switch triode, simultaneously can be by storage capacitor power supply in short-term; The switching of single-chip microcomputer by controlling the first switch triode is for driver and comprise that other 5V devices of the first relay provide direct supply; Power switch is connected with single-chip microcomputer; The second switch triode is connected between the positive pole of single-chip microcomputer and alkali button battery, the minus earth of alkali button battery; Resistance is connected between single-chip microcomputer and the 3rd switch triode; The second hand switch is in parallel with the 3rd switch triode.
The collector of described the first switch triode connects the 5V power supply, and emitter connects driver and other 5V devices, and base stage connects the I/O mouth of single-chip microcomputer; The collector of described second switch triode connects single-chip microcomputer 5V power end, and emitter connects the positive pole of alkali button battery, and base stage connects the I/O mouth of single-chip microcomputer; The collector of the 3rd switch triode connects the 5V power supply after the conversion of household electrical appliances subsequent conditioning circuit, and emitter connects single-chip microcomputer 5V power end, and base stage connects the I/O mouth of single-chip microcomputer.
The minus earth of described storage capacitor in short-term, the anodal single-chip microcomputer 5V power end that connects.
The control circuit of family appliance standby zero-power also comprises the second relay; Described the second relay and the first manual switch in parallel, by driver drives, provide the 5V power supply by single-chip microcomputer by the switching of controlling the first switch triode.
The parameter of described hand switch is 10A/250VAC; The parameter of described the second hand switch is 350mA/10VDC; The parameter of the first relay and the second relay is 5A/250VAC, and 5VDC drives, drive coil resistance 208 Ω * and, drive current is 24mA; The model of described single-chip microcomputer is Atmega16,8 CMOS microcontrollers of low-power consumption, built-in crystal oscillator and power-failure memory; Described alkali button battery electric weight is greater than 1200mA; Described resistance is 10K.
After having adopted technique scheme, the utlity model has actively following beneficial effect: (1) control circuit of the present utility model is in the situation of the machine of establishing by cable, all power consumptions are all from external power source, in the situation that the electric weight consumed after startup and shutdown and shutdown is all from alkali button battery, can guarantee that the power at machine standby time institute electric consumption is 0W, after shutdown, even do not pull out power lead, its complete machine is the electric quantity of power supply that does not consume the user, control by interlock circuit, meet the requirement of standby zero-power-consumption fully, and it is limited to increase cost, implement very easy.This control circuit module is applicable to household electrical appliance.
(2) control circuit of the present utility model has only been applied the part resource of single-chip microcomputer, and other resources can be applied in other functional control modules of household electrical appliances fully, thereby cost is very low.
The accompanying drawing explanation
For content of the present utility model more easily is expressly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is theory diagram of the present utility model.
Fig. 2 is the schematic diagram that in Fig. 1, subsequent conditioning circuit is converted into the 5V power supply.
Attached number in the figure is:
The first hand switch 1, the second hand switch 2, the first relay 3, driver 4, the first switch triode 5, single-chip microcomputer 6, power switch 7, second switch triode 8, the 3rd switch triode 9, resistance 10, alkali button battery 11, storage capacitor 12, the second relay 13 in short-term.
Embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the control circuit of a kind of family appliance standby zero-power of the present embodiment, comprise the first hand switch 1, the second hand switch 2, the first relay 3, driver 4, the first switch triode 5, single-chip microcomputer 6, power switch 7, second switch triode 8, the 3rd switch triode 9, resistance 10, alkali button battery 11 and storage capacitor 12 and the second relay 13 in short-term.
The first hand switch 1 is arranged on live wire; The second hand switch 2 is in parallel with the 3rd switch triode 9.
The first relay 3 and the second relay 13 are all in parallel with the first hand switch 1, are driven by driver 4, by the switching of controlling the first switch triode 5, provide the 5V power supply by single-chip microcomputer 6.
Driver 4 is driven by the 5VDC that the first switch triode 5 provides, and by the control of single-chip microcomputer 6, drives the first relay 3 and the second relay 13 and all carries out work.
Single-chip microcomputer 6 connects the 5V power supply after the household electrical appliances subsequent conditioning circuit is changed by the 3rd switch triode 9, simultaneously can be by storage capacitor 12 power supplies in short-term.The Fig. 2 of take is example, and the alternating current of 220-240V changes the 5V direct current into after transformer, rectifier bridge and power supply conversion module.The switching of single-chip microcomputer 6 by controlling the first switch triode 5 is for driver 4 and comprise that other 5V devices of the first relay 3 provide direct supply; Power switch 7 is connected with single-chip microcomputer 6; Second switch triode 8 is connected between the positive pole of single-chip microcomputer 6 and alkali button battery 11, the minus earth of alkali button battery 11; Resistance 10 is connected between single-chip microcomputer 6 and the 3rd switch triode 9, is used for checking whether subsequent conditioning circuit connects external power source.Specifically: the collector of the first switch triode 5 connects the 5V power supply, and emitter connects driver 4 and other 5V devices, and base stage connects the I/O mouth of single-chip microcomputer 6, controls direct supply to driver 4 and other+5V device is provided by single-chip microcomputer 6.The collector of second switch triode 8 connects single-chip microcomputer 65V power end, and emitter connects the positive pole of alkali button battery 11, and base stage connects the I/O mouth of single-chip microcomputer 6, whether controls alkali button battery 1 to single-chip microcomputer 6 power supplies by single-chip microcomputer 6.The collector of the 3rd switch triode 9 connects the 5V power supply after the conversion of household electrical appliances subsequent conditioning circuit, and emitter connects single-chip microcomputer 65V power end, and base stage connects the I/O mouth of single-chip microcomputer 6.The minus earth of storage capacitor 12 in short-term, the anodal single-chip microcomputer 65V power end that connects, after controlling subsequent conditioning circuit and transforming+whether the 5VDC power supply is single-chip microcomputer 6 power supplies.
Power switch 7 is controlled the opening and closing of household electrical appliances.
The parameter of each components and parts is: the parameter of hand switch 1 is 10A/250VAC; The parameter of the second hand switch 2 is 350mA/10VDC; The parameter of the first relay 3 and the second relay 13 is 5A/250VAC, and 5VDC drives, drive coil resistance 208 Ω * 1 ± 10%, and drive current is 24mA; The model of single-chip microcomputer 6 is Atmega16,8 CMOS microcontrollers of low-power consumption, built-in crystal oscillator and power-failure memory; Alkali button battery 11 electric weight are greater than 1200mA; Resistance 10 is 10K.
The control method of the control circuit of family appliance standby zero-power:
In the situation that power switch 7 is pressed in the household electrical appliances shutdown, it is the first relay 3 power supplies that single-chip microcomputer 6 starts the first switch triode 5 control drivers 4, and live wire is communicated with subsequent conditioning circuit;
Single-chip microcomputer 6 checks whether the I/O mouth be connected with resistance 10 is pulled to high level, if drawn high, illustrate that external power source powers, now the 3rd switch triode 9 conductings, single-chip microcomputer 6 and other components and parts are obtained from the 5V power supply after the conversion of household electrical appliances subsequent conditioning circuit, and each components and parts are carried out corresponding function; Single-chip microcomputer 6 controls after live wire is communicated with 2s and cuts out second switch triode 8, thereby cuts off the circuit that alkali button battery 11 is single-chip microcomputer 6 power supplies, stops alkali button battery 11 to single-chip microcomputer 6 power supplies;
If detect after 2s, do not drawn high and to illustrate that external power source fails power supply, now single-chip microcomputer 6 returns to the power down sleep pattern, not carrying out the start operation, to enter power down mode;
In the situation of the machine of establishing by cable of being in, press power switch 7, single-chip microcomputer 6 cuts out corresponding load, after 3 minutes, closes the first switch triode 5, and driver 4 quits work, and the device of other needs+5VDC power supplies is all closed; Single-chip microcomputer 6 is controlled at after 0.1s opens second switch triode 8, makes alkali button battery 11 to single-chip microcomputer 6 power supplies, in above-mentioned 0.1s, single-chip microcomputer 6 pass through storage capacitor 12 power supplies in short-term, the while at this moment between in, single-chip microcomputer 6 enters the power down sleep pattern;
After the household electrical appliances shutdown, while again starting, at first to wake single-chip microcomputer 6 up and make it to enter normal mode, the power consumption under normal mode is about 1.1mA, the duty while repeating aforementioned start.
If the device of the large power consumption of back-end circuit, obtain, from after the 5V power supply after the conversion of household electrical appliances subsequent conditioning circuit, starting the second relay 13 at single-chip microcomputer 6 and other components and parts.Subsequent conditioning circuit may have the device of larger power consumption (as compressor in air-conditioning etc.) because consider, from the parameter of relay, finding out, for reaching the purpose that reduces power consumption, the selected relay of the utility model is 5A/250VAC, when if the device of larger power consumption is arranged follow-up (if when rear subsequent conditioning circuit does not have larger power consumption device, also can only have a relay), only have a relay to meet the demands, so the relay of 2 5A/250VAC can meet power consumption in most cases, if while also having the device of larger power consumption, can also increase by the 3rd relay to guarantee the required electric weight of the large power consumption device in rear end.
The first hand switch 1 and the second hand switch 2 have two effects; at first be as when the inefficacy of the control circuit of household electrical appliances standby zero-power-consumption or a kind of safeguard measure while breaking down, press simultaneously the permanent conduction that the first hand switch 1, the second hand switch 2 carry out live wire.Also having an effect is when after the control circuit assembling alkali button battery 11 of household electrical appliances standby zero-power-consumption, powering on for the first time, press simultaneously the first hand switch 1, the second hand switch 2, single-chip microcomputer 6 carries out initialization, then press power switch 7 and make complete machine shutdown or start, manually disconnect again the first hand switch 1, the second hand switch 2, single-chip microcomputer 6 is resetted.
In this circuit control module, the most important thing is whether the alkali button battery 11 in this module can enough use certain time limit, can be through following calculating:
In this control module circuit: the power consumption of the first relay 3 normal operations is 24mA, and the power consumption of driver 4 normal operations is 1mA, and the power consumption during single-chip microcomputer 6 normal operation is 1.1mA, and the power consumption under the power down sleep pattern is 1 μ A.
The ingenious part of the design of this circuit module is, when in the situation that the start, all power consumptions are all from external power source, in the situation that the electric weight consumed after startup and shutdown and shutdown is all from alkali button battery, as long as, so can calculate the power consumption under start, shutdown power consumption and standby at this, just can calculate 11 times that can use of alkali button battery.
According to starting shooting every day 15 times, shutdown 15 is calculated, and the working control time of the time of each required alkali button battery 11 power supplies according to the 3s(foregoing circuit is 2s), the air-conditioning of take was used 5 months as example is annual, and the power consumption of 1 year is:
The power consumption of the power consumption of the power consumption of 24mA(the first relay 31)+1mA(driver 4)+1.1mA(single-chip microcomputer 6)+2mA(increases the 2mA surplus)=28.1mA
The electric weight that in year, switching on and shutting down consume is
Because the mA level is according to hour calculating, 3600s=60min * 60s herein
Because the most of the time is off-mode among 1 year, single-chip microcomputer is in the power down sleep pattern, all is under off-mode and calculates according to 365 days at this, and in single-chip microcomputer 1 year, the loss under off-mode is:
The electric weight of the alkali button battery 11 that the utility model is selected is 1200mA, and what this button cell was used is limited in year:
According to the life-span of 8-10 that the above current household electrical appliance uses can be fully satisfied.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (5)

1. the control circuit of a family appliance standby zero-power is characterized in that: comprise the first hand switch (1), the second hand switch (2), the first relay (3), driver (4), the first switch triode (5), single-chip microcomputer (6), power switch (7), second switch triode (8), the 3rd switch triode (9), resistance (10), alkali button battery (11) and storage capacitor (12) in short-term; Described the first hand switch (1) is arranged on live wire; Described the first relay (3) is in parallel with the first hand switch (1), and is driven by driver (4); Described single-chip microcomputer (6) connects the 5V power supply after the household electrical appliances subsequent conditioning circuit is changed by the 3rd switch triode (9), simultaneously can be by storage capacitor (12) power supply in short-term; Single-chip microcomputer (6) is that driver (4) and other 5V devices that comprise the first relay (3) provide direct supply by the switching of controlling the first switch triode (5); Power switch (7) is connected with single-chip microcomputer (6); Second switch triode (8) is connected between the positive pole of single-chip microcomputer (6) and alkali button battery (11), the minus earth of alkali button battery (11); Resistance (10) is connected between single-chip microcomputer (6) and the 3rd switch triode (9); The second hand switch (2) is in parallel with the 3rd switch triode (9).
2. the control circuit of a kind of family appliance standby zero-power according to claim 1, it is characterized in that: the collector of described the first switch triode (5) connects the 5V power supply, emitter connects driver (4) and other 5V devices, and base stage connects the I/O mouth of single-chip microcomputer (6); The collector of described second switch triode (8) connects single-chip microcomputer (6) 5V power end, and emitter connects the positive pole of alkali button battery (11), and base stage connects the I/O mouth of single-chip microcomputer (6); The collector of the 3rd switch triode (9) connects the 5V power supply after the conversion of household electrical appliances subsequent conditioning circuit, and emitter connects single-chip microcomputer (6) 5V power end, and base stage connects the I/O mouth of single-chip microcomputer (6).
3. the control circuit of a kind of family appliance standby zero-power according to claim 1, is characterized in that: the minus earth of described storage capacitor in short-term (12), anodal single-chip microcomputer (6) the 5V power end that connects.
4. the control circuit of a kind of family appliance standby zero-power according to claim 3, is characterized in that: also comprise the second relay (13); Described the second relay (13) is in parallel with the first hand switch (1), is driven by driver (4), by the switching of controlling the first switch triode (5), provides the 5V power supply by single-chip microcomputer (6).
5. the control circuit of a kind of family appliance standby zero-power according to claim 4, it is characterized in that: the parameter of described hand switch (1) is 10A/250VAC; The parameter of described the second hand switch (2) is 350mA/10VDC; The parameter of the first relay (3) and the second relay (13) is 5A/250VAC, and 5VDC drives, drive coil resistance 208 Ω * (1 ± 10%), and drive current is 24mA; The model of described single-chip microcomputer (6) is Atmega16,8 CMOS microcontrollers of low-power consumption, built-in crystal oscillator and power-failure memory; Described alkali button battery (11) electric weight is greater than 1200mA; Described resistance (10) is 10K.
CN2013203132643U 2013-05-30 2013-05-30 Zero standby power consumption control circuit for household appliance Withdrawn - After Issue CN203311201U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103345177A (en) * 2013-05-30 2013-10-09 江苏友奥电器有限公司 Zero-power-consumption standby control circuit of household appliances and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103345177A (en) * 2013-05-30 2013-10-09 江苏友奥电器有限公司 Zero-power-consumption standby control circuit of household appliances and control method thereof
CN103345177B (en) * 2013-05-30 2015-07-29 江苏友奥电器有限公司 A kind of control circuit of family appliance standby zero-power and control method thereof

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Granted publication date: 20131127

Effective date of abandoning: 20150729