CN103543643A - Electric appliance standby power saving control circuit - Google Patents
Electric appliance standby power saving control circuit Download PDFInfo
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- CN103543643A CN103543643A CN201210243218.0A CN201210243218A CN103543643A CN 103543643 A CN103543643 A CN 103543643A CN 201210243218 A CN201210243218 A CN 201210243218A CN 103543643 A CN103543643 A CN 103543643A
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Abstract
The invention discloses an electric appliance standby power saving control circuit. A standby device is serially connected into a power circuit and cuts off the power circuit when an electric appliance controller is in a standby state, the power circuit cannot supply power for the whole control circuit, so that power consumption is greatly reduced, and energy waste is decreased. In addition, an infrared receiving circuit or a key control circuit on a first microcontroller is omitted, the first microcontroller is directly controlled by a second microcontroller, the second microcontroller can control a relay to break or close and transmit a shutdown or start command to the first microcontroller when receiving the shutdown or start command, and the first microcontroller receives the command and controls corresponding loads to act. Besides, operating voltage of the relay and the second microcontroller is supplied by an input power supply, an additional power supply battery is omitted, and the control circuit is simple in structure.
Description
Technical field
The invention belongs to appliance field, be specifically related to a kind of Saving Power Control Circuit of electric appliance standby.
Background technology
" standby energy consumption " refers to that the electric equipment with idle function is obsolete time, the power consumption that does not have deenergization to occur.The electric equipment with standby energy consumption mainly contains air-conditioning, computer and communication system (comprising host computer, display screen, computer stereo, printer, scanner, charger, router etc.), home videos and audio system (comprising televisor, DVD, VCD, sound equipment, power amplifier, Set Top Box, satellite receiver etc.).For fear of the trouble of frequent plugging electric plug, or in order to preserve the setting of electrical equipment being used to state, many users adopt very habitually not deenergization and only with telepilot, close easily electrical equipment, make electrical equipment for a long time in holding state.Idle function, when facilitating for resident, has also caused a large amount of energy dissipations, has formed huge environmental protection pressure simultaneously.
Shown in ginseng Fig. 1, in prior art, appliance controller 10 is powered by power supply 11, comprise rectifier bridge 12, filter capacitor 13, Switching Power Supply 14 and microcontroller 15, power supply 11 is connected with rectifier bridge 12 and provides voltage for it, filter capacitor 13 is connected in the two ends of rectifier bridge 12, and the output terminal of rectifier bridge 12 is connected with Switching Power Supply 14, and Switching Power Supply 14 is connected to microcontroller 15 and load and provides voltage for it.The principle of work of appliance controller 10 is: the input of 220V electric main power supply, through rectifier bridge rectification, after filter capacitor filtering, form 310VDC voltage, after Switching Power Supply, can form as required more various DC low-voltage (as 5VDC, 12VDC, 15VDC etc.), supply with microcontroller and various driving circuit and low-voltage direct load.When standby, although sending instruction, microcontroller makes load power-off,, now the Switching Power Supply of whole control section and microcontroller still produce larger power consumption, thereby cause energy dissipation.
In view of this, be necessary to provide a kind of novel electrical apparatus control circuit.
Summary of the invention
For the deficiencies in the prior art, the technical matters that the present invention solves is to provide a kind of Saving Power Control Circuit of electric appliance standby, and this control circuit power consumption under holding state is little.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of Saving Power Control Circuit of electric appliance standby, comprise: rectifier bridge, filter capacitor, Switching Power Supply and the first microcontroller, described rectifier bridge is connected with power supply and for it, provides voltage by input power, described filter capacitor is connected in the two ends of described rectifier bridge, the output terminal of described rectifier bridge is connected with Switching Power Supply, described Switching Power Supply is connected to described the first microcontroller and load and provides voltage for it, wherein, described appliance controller also comprises apparatus ' of standby, described apparatus ' of standby is connected between described power supply and rectifier bridge, and the circuit between described power supply and rectifier bridge is carried out to closure or cut-out, described apparatus ' of standby comprises relay, driving circuit and the second microcontroller, described relay is connected on the circuit between described power supply and rectifier bridge, so that this circuit is carried out to closure or cut-out, described driving circuit is connected between described relay and the second microcontroller, the input end of described the first microcontroller is connected in the output terminal of described the second microcontroller, described the second microcontroller is when receiving shutdown or start-up command, control described relay disconnection or closed, send shutdown or start-up command to described the first microcontroller simultaneously.
As a further improvement on the present invention, described relay is electrically connected at described input power and provides operating voltage by described input power.
As a further improvement on the present invention, described the second microcontroller is electrically connected at described input power and provides operating voltage by described input power.
As a further improvement on the present invention, described apparatus ' of standby also comprises infrared receiving circuit, and the output terminal of described infrared receiving circuit is connected in the input end of described the second microcontroller.
As a further improvement on the present invention, described apparatus ' of standby also comprises key control circuit, and the output terminal of described key control circuit is connected in the input end of described the second microcontroller.
Compared with prior art, the Saving Power Control Circuit of electric appliance standby of the present invention by being in series with apparatus ' of standby in power circuit, when appliance controller is during in holding state, the apparatus ' of standby circuit of cutting off the electricity supply, power circuit powers to whole control circuit, thereby the power consumption of greatly reducing, has reduced energy dissipation; On the other hand, infrared receiving circuit or key control circuit on the first microcontroller have been cancelled, and the first microcontroller is directly controlled by the second microcontroller, the second microcontroller is when receiving shutdown or start-up command, not only can disconnect or closure by pilot relay, send shutdown or start-up command to the first microcontroller, the first microcontroller receives instruction and controls respective load action simultaneously; On the one hand, relay and the second microcontrolled operating voltage are supplied by input power again, without increasing extra supplying cell, simple in structure.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Figure 1 shows that the principle schematic of electrical apparatus control circuit in prior art;
Figure 2 shows that the principle schematic of the Saving Power Control Circuit of electric appliance standby in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is described in detail, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belongs to the scope of protection of the invention.
Shown in ginseng Fig. 2, the Saving Power Control Circuit 20 of electric appliance standby is applied in the electrical equipment such as air-conditioning, computer, communication system, home videos, audio system, is a kind ofly in order to control above-mentioned electrical equipment, by which kind of mode, to move or device out of service.
The Saving Power Control Circuit 20 of electric appliance standby is powered by input power 21, comprises rectifier bridge 22, filter capacitor 23, Switching Power Supply 24 and the first microcontroller 25.Wherein, input power 21 is connected with rectifier bridge 22 and provides voltage for it, filter capacitor 23 is connected in the two ends of rectifier bridge 22, and the output terminal of rectifier bridge 22 is connected with Switching Power Supply 24, and Switching Power Supply 24 is connected to the first microcontroller 25 and load 26 and provides voltage for it.
Switching Power Supply 24 is to utilize modern power electronics technology, and the time ratio that gauge tap pipe turns on and off maintains a kind of power supply of regulated output voltage, and Switching Power Supply generally by pulse-length modulation (PWM), controls IC and MOSFET forms.
The first microcontroller 25 is on a block semiconductor chip, to have concentrated the elements such as CPU, ROM, RAM, I/O Interface, timer/counter, interrupt system, forms a complete digital machine.It can be controlled by controller button.
The principle of work of the Saving Power Control Circuit 20 of electric appliance standby is: input power 21 provides the electric main power supply of 220V, and input to whole appliance controller circuit, then through rectifier bridge 22 rectifications, and after filter capacitor 23 filtering, form the voltage of 310VDC, then after Switching Power Supply 24, form as required various needs DC low-voltage (as 5VDC, 12VDC, 15VDC etc.), supply with the first microcontroller 25 and various driving circuits and low-voltage direct load 26.When holding state, the first microcontroller 25 sends instruction and makes load 26 power-off.
The Saving Power Control Circuit 20 of electric appliance standby also comprises apparatus ' of standby 27, and apparatus ' of standby 27 is connected between input power 21 and rectifier bridge 22.Apparatus ' of standby 27 can carry out closure or cut-out to the circuit between input power 21 and rectifier bridge 22.When holding state, the circuit that apparatus ' of standby 27 cuts off between input power 21 and rectifier bridge 22, now, input power 21 cannot be powered to whole control circuit, thereby makes Switching Power Supply 24 and the first microcontroller 25 without any energy loss.
Apparatus ' of standby 27 comprises relay 271, driving circuit 272, the second microcontroller 273 and infrared receiving circuit 274.Wherein, relay 271 is connected on the circuit between input power 21 and rectifier bridge 22, and relay 271 can carry out closure or cut-out to this circuit; Driving circuit 272 is connected between relay 271 and the second microcontroller 273, in order to drive relay 271 to carry out work; The second microcontroller 273 receptions " closure " or " unlatching " instruction are also controlled driving circuit 272 work, the input end of the first microcontroller 25 is connected in the output terminal of the second microcontroller 273, the second microcontroller 273 is when receiving shutdown or start-up command, pilot relay 271 disconnects or is closed, send shutdown or 25, the first microcontrollers 25 reception instructions of start-up command to the first microcontroller simultaneously and control respective load 26 actions; The output terminal of infrared receiving circuit 274 is connected in the input end of the second microcontroller 273, and it can receive the instruction of telepilot " start " or " shutdown ", and gives the second microcontroller 273 by this command.
The second microcontroller 273 is on a block semiconductor chip, to have concentrated the elements such as CPU, ROM, RAM, I/O Interface, timer/counter, interrupt system, forms a complete digital machine.At this, act as and receive shutdown and starting-up signal, and send the instruction of disconnection or closing relay 271, command signal is transferred to the first microcontroller 25 simultaneously.
The input end of the second microcontroller 273 can also connect key control circuit (not shown), can export instruction to the second microcontroller 273 of " start " or " shutdown " by key control circuit.
In the first microcontroller 25, can not be provided with infrared receiving circuit or key control circuit, the first microcontroller 25 is controlled by the second microcontroller 273 only, therefore in other embodiments, the first microcontroller 25 and the second microcontroller 273 can integrate, form a controller, so succinct circuit structure.
The principle of work of the Saving Power Control Circuit 20 of electric appliance standby is as follows:
(1) control circuit 20 is not when receiving start-up command: the relay 271 of apparatus ' of standby 27 is in off-state, thereby makes Switching Power Supply 24 and the first microcontroller 25 power-off and do not produce any power consumption;
(2) during by remote-control closedown: infrared receiving circuit 274 receives after the off signal of telepilot, the second microcontroller 273 sends instruction, relay 271 is disconnected, off signal is transferred to the first microcontroller 25, the first microcontrollers 25 simultaneously and control the power supply that cuts off load 26;
(3) while shutting down by controller button: the second microcontroller 273 receives after shutdown command, the second microcontroller 273 sends instruction, relay 271 is disconnected, by serial communication, off signal is transferred to the first microcontroller 25, the first microcontrollers 25 simultaneously and control the power supply that cuts off load 26;
(4) during by remote-controlled start-up: when infrared receiving circuit 274 receives after telepilot starting-up signal, the second microcontroller 273 sends instruction, make relay 271 closures, start-up command is transferred to the first microcontroller 25, the first microcontrollers 25 simultaneously and control the power supply of connecting load 26;
In sum, the Saving Power Control Circuit of electric appliance standby of the present invention by being in series with apparatus ' of standby in power circuit, when appliance controller is during in holding state, the apparatus ' of standby circuit of cutting off the electricity supply, power circuit powers to whole control circuit, thereby the power consumption of greatly reducing, has reduced energy dissipation; On the other hand, infrared receiving circuit or key control circuit on the first microcontroller have been cancelled, and the first microcontroller is directly controlled by the second microcontroller, the second microcontroller is when receiving shutdown or start-up command, not only can disconnect or closure by pilot relay, send shutdown or start-up command to the first microcontroller, the first microcontroller receives instruction and controls respective load action simultaneously; On the one hand, relay and the second microcontrolled operating voltage are supplied by input power again, without increasing extra supplying cell, simple in structure.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. the Saving Power Control Circuit of an electric appliance standby, comprise: rectifier bridge, filter capacitor, Switching Power Supply and the first microcontroller, described rectifier bridge is connected with power supply and for it, provides voltage by input power, described filter capacitor is connected in the two ends of described rectifier bridge, the output terminal of described rectifier bridge is connected with Switching Power Supply, described Switching Power Supply is connected to described the first microcontroller and load and provides voltage for it, it is characterized in that: described appliance controller also comprises apparatus ' of standby, described apparatus ' of standby is connected between described power supply and rectifier bridge, and the circuit between described power supply and rectifier bridge is carried out to closure or cut-out, described apparatus ' of standby comprises relay, driving circuit and the second microcontroller, described relay is connected on the circuit between described power supply and rectifier bridge, so that this circuit is carried out to closure or cut-out, described driving circuit is connected between described relay and the second microcontroller, the input end of described the first microcontroller is connected in the output terminal of described the second microcontroller, described the second microcontroller is when receiving shutdown or start-up command, control described relay disconnection or closed, send shutdown or start-up command to described the first microcontroller simultaneously.
2. the Saving Power Control Circuit of electric appliance standby according to claim 1, is characterized in that, described relay is electrically connected at described input power and provides operating voltage by described input power.
3. the Saving Power Control Circuit of electric appliance standby according to claim 1, is characterized in that, described the second microcontroller is electrically connected at described input power and provides operating voltage by described input power.
4. the Saving Power Control Circuit of electric appliance standby according to claim 1, is characterized in that, described apparatus ' of standby also comprises infrared receiving circuit, and the output terminal of described infrared receiving circuit is connected in the input end of described the second microcontroller.
5. the Saving Power Control Circuit of electric appliance standby according to claim 1, is characterized in that, described apparatus ' of standby also comprises key control circuit, and the output terminal of described key control circuit is connected in the input end of described the second microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210243218.0A CN103543643A (en) | 2012-07-13 | 2012-07-13 | Electric appliance standby power saving control circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210243218.0A CN103543643A (en) | 2012-07-13 | 2012-07-13 | Electric appliance standby power saving control circuit |
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| CN103543643A true CN103543643A (en) | 2014-01-29 |
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| CN201210243218.0A Pending CN103543643A (en) | 2012-07-13 | 2012-07-13 | Electric appliance standby power saving control circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375827A (en) * | 2015-11-09 | 2016-03-02 | 珠海格力电器股份有限公司 | Multi-controller system and electronic control system for multi-controller system |
| CN108954663A (en) * | 2018-09-25 | 2018-12-07 | 珠海格力电器股份有限公司 | Air conditioner energy saving controller, air-conditioning and electrical equipment |
| CN111509988A (en) * | 2020-05-22 | 2020-08-07 | 宁波奥克斯电气股份有限公司 | Low-power-consumption circuit system, control method, air conditioner and storage medium |
| CN111928427A (en) * | 2020-07-30 | 2020-11-13 | 海信（山东）空调有限公司 | Air conditioner control system, air conditioner and control method thereof |
| WO2021103098A1 (en) * | 2019-11-29 | 2021-06-03 | 苏州贝昂科技有限公司 | Power consumption control device and intelligent device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375827A (en) * | 2015-11-09 | 2016-03-02 | 珠海格力电器股份有限公司 | Multi-controller system and electronic control system for multi-controller system |
| CN108954663A (en) * | 2018-09-25 | 2018-12-07 | 珠海格力电器股份有限公司 | Air conditioner energy saving controller, air-conditioning and electrical equipment |
| WO2021103098A1 (en) * | 2019-11-29 | 2021-06-03 | 苏州贝昂科技有限公司 | Power consumption control device and intelligent device |
| CN111509988A (en) * | 2020-05-22 | 2020-08-07 | 宁波奥克斯电气股份有限公司 | Low-power-consumption circuit system, control method, air conditioner and storage medium |
| CN111928427A (en) * | 2020-07-30 | 2020-11-13 | 海信（山东）空调有限公司 | Air conditioner control system, air conditioner and control method thereof |
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Application publication date: 20140129 |
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