CN201654512U - Standby control device with ultra lower power consumption - Google Patents
Standby control device with ultra lower power consumption Download PDFInfo
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- CN201654512U CN201654512U CN2010202008984U CN201020200898U CN201654512U CN 201654512 U CN201654512 U CN 201654512U CN 2010202008984 U CN2010202008984 U CN 2010202008984U CN 201020200898 U CN201020200898 U CN 201020200898U CN 201654512 U CN201654512 U CN 201654512U
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 18
- 229910052710 silicon Inorganic materials 0.000 description 18
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Abstract
The utility model discloses a standby control device with ultra lower power consumption, comprising a remote controller for emitting infrared signal, an infrared receiving module for receiving the infrared signal from the remote controller, a signal processing module for judging whether to standby or power on the machine according to the infrared signal received by the infrared receiving module and sending out control order, a direct current power supply module connected with electric supply for providing power supply for signal processing module, and an alternative current switch module that is switched on or off according to the order of the signal processing module; when the alternative current switch module is serially connected with the load, the two ends are connected with the main supply. The device is driven by main supply under standby state along with ultra lower power consumption, simultaneously saving relay and improving control precision.
Description
Technical field
The utility model relates to field of energy-saving technology, relates in particular to a kind of super low-power consumption standby control apparatus.
Background technology
At present, most of household electrical appliance stand-by power consumption is big, the serious waste energy.Most family appliance standby is the AC power standby, as fan, air-conditioning, TV, electric heater or the like electrical equipment power consumption under ideal case is higher, and there is a potential safety hazard, with the televisor is example, though image is cannot see in the TV remote controller shutdown, we can also see intuitively that the power light of televisor is also bright but from panel, this just shows also at the generation standby energy consumption, the average energy consumption of televisor is about 8W, sound that as unique user loss is little, but whole country present nearly 4,500,000,000 TVs calculate and just can produce the energy dissipation of 20,000,000,000 degree electricity nearly, also can involve environmental protection, pollution problems.Wall-hanging air conditioner, remote control electric heater etc. have the household appliances of idle function for another example, after the user is with remote closing, in fact still are in holding state, and they all want consumed power, and power consumption is generally between 2-6W.Sample survey according to the energy-conservation authentication center of China shows: have 88% user TV not to be shut down fully for convenience.
Machine technology is treated in traditional interchange, and only the standby of televisor year is with regard to the power supply capacity of needs 2,840,000 KW by China, and household electrical appliances year, standby power consumption was above 18,600,000,000 KWh.Adopt non-AC power, for example adopting capacitor energy storage, rechargeable battery, solar cell, disposable battery power supply may be the ideal scheme that can address the above problem simultaneously.But because cost and many technology barriers that other is difficult to overcome, make these it seems that extremely valuable scheme can't obtain practical application, in addition, other has some also to adopt relay to control, can't be but exist with control circuit moduleization, and control accuracy is not high, control is than complicated problems, want to address these problems, and don't influence complete machine work, and just need to increase the control circuit of suitable low-power consumption, realize electrical equipment, the super low-power consumption of household electrical appliances in the time of standby.
Thereby under the situation of energy growing tension, the power consumption that reduces the family appliance standby state is imperative.
The utility model content
At the shortcoming of prior art, the purpose of this utility model be to provide a kind of power consumption ultralow, control accuracy is higher, controls simple super low-power consumption standby control apparatus.
For achieving the above object, the technical solution of the utility model is:
A kind of super low-power consumption standby control apparatus comprises:
Telepilot is used to launch infrared signal;
Infrared receiving module is used to receive the infrared signal that telepilot is launched;
Signal processing module is judged standby or start according to the infrared signal that infrared receiving module receives, and is sent steering order;
DC power supplier is by mains-supplied, for signal processing module provides power supply;
The alternating-current switch module, the instruction of sending according to signal processing module is switched on or switched off;
After alternating-current switch module and the electric appliance load series connection, its two ends connect civil power.
Such design, under ideal case, the alternating-current switch module disconnects, and have only signal processing module to adopt mains-supplied by DC power supplier this moment, thereby power consumption is ultralow, saved the relay element in traditional readiness control circuit simultaneously, improved action and control accuracy greatly, in addition according to the infrared signal of telepilot, after signal processing module is judged standby and open state, by the disconnection and the connection of control alternating-current switch module, the control apparatus state makes control simple.
Described infrared receiving module is an infrared receiving diode, relies on signal processing module that power supply is provided.Such design makes that the power consumption of total system is littler.
Described alternating-current switch module comprises full-wave bridge rectifier circuit and is connected to the one-way SCR of its A, B end that the control of described signal processing module and one-way SCR extremely links to each other.One-way SCR is adopted in such design, by the signal processing module control silicon controlled control utmost point, thereby controls its break-make, can be so that break-make control is simple and reliable.
Described signal processing module is single-chip microcomputer or dsp chip.Adopt control chip commonly used in the electricity, simply reach control function, cost is low, and control is reliable.
Described single-chip microcomputer is the PIC single-chip microcomputer, and its crystal oscillator frequency is 150KHz.
Described DC power supplier comprises successively current-limiting resistance, diode and the reference voltage source of series connection, at the reference voltage source two ends also and be connected to electric capacity.To the electric capacity charging, little power consumption reference voltage source is stabilized in 2.5V to voltage, provides voltage to signal processing module after alternating current process resistance current limliting and the diode half-wave rectification.
This reference voltage source is selected LM385.
A kind of super low-power consumption standby control apparatus in the utility model, according to the operation of user to telepilot, the infrared signal of sending, receive through signal processing module, judge, after the computing, produce the make-and-break signal of alternating-current switch signal, thereby the start or the standby of control household electrical appliances, like this, under ideal case, the alternating-current switch module disconnects, and have only signal processing module to adopt mains-supplied by DC power supplier this moment, thereby power consumption is ultralow, saved the relay element in traditional readiness control circuit simultaneously, action and control accuracy have been improved greatly, simultaneously according to the infrared signal of telepilot, after signal processing module is judged standby and open state, by the disconnection and the connection of control alternating-current switch module, make control simple.
Description of drawings
Fig. 1 is a super low-power consumption standby control apparatus structured flowchart of the present utility model.
Fig. 2 is a super low-power consumption standby control apparatus circuit diagram of the present utility model.
Fig. 3 is the control flow chart of super low-power consumption standby signal processing module of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.The readiness control circuit of super low-power consumption standby control apparatus of the present utility model, its stand-by power consumption are below 0.2W, and the power consumption when this greatly reduces standby meets national industry policy, has huge energy conservation and environmental protection benefit.
Embodiment
As shown in Figure 1, super low-power consumption standby control apparatus of the present utility model, comprise the telepilot part (figure slightly) that is used to launch infrared signal, be used to receive the infrared receiving module of the infrared signal of telepilot emission, the infrared signal that is used for receiving according to infrared receiving module is judged the standby of household electrical appliances or the signal processing module of open state, connect civil power, the DC power supplier of power supply is provided for signal processing module, the alternating-current switch module that the instruction of sending according to signal processing module is switched on or switched off, here, after alternating-current switch module and load series connection, its two ends are by mains-supplied.
As shown in Figure 2, the infrared receiving module is here selected infrared receiving diode, the alternating-current switch module comprises full-wave bridge rectifier circuit and is connected to the unidirectional responsive controllable silicon of its A, B end, signal processing module is single-chip microcomputer or dsp chip, here select low-power scm PIC12F629 for use, connect external crystal-controlled oscillation, the LP mode of oscillation is about static working current 100U.Here infrared receiving diode relies on the single-chip microcomputer power supply.Simultaneously, the control of single-chip microcomputer and one-way SCR extremely links to each other, and is used to control the silicon controlled break-make.
The GP1 of single-chip microcomputer, the order of GP3 interface difference are to the SCR control utmost point and infrared receiving diode.The VDD interface links to each other with DC power supplier.
The DC power supplier here comprises successively current-limiting resistance R1 and R2, diode D5 and the reference voltage source LM385 of series connection, at the reference voltage source two ends also and be connected to capacitor C 1.
The control method of super low-power consumption standby control apparatus of the present utility model is as follows:
When electrical equipment is in holding state, press telepilot, infrared receiving module receives the infrared signal of telepilot emission, and sending it to signal processing module, signal processing module is decoded to infrared signal, control alternating-current switch module break-make after computing, the control flow of signal processing module as shown in Figure 3, at first after the signal processing module initialization, open infrared, remote control scanning, check whether receive preamble code, if not, then continue remote control scanning, if receive preamble code, then the control input end mouth receives nybble address code and function code, and judge whether to be the standby sign indicating number, if not the standby sign indicating number, then return remote control scanning, if standby sign indicating number, then enter open state, this moment judge whether the start, if the start would connect controllable silicon, promptly close controllable silicon, if do not start shooting, then disconnect controllable silicon, promptly open controllable silicon, after the end, continuation initially melts infrared, so in the past, and circulation repeatedly.
Below in conjunction with Fig. 2, describe the course of work of the present utility model in detail:
When electrical equipment is in holding state, by chip microcontroller infrared receiving diode is powered, the infrared receiving terminal of infrared receiving diode is in monitoring infrared signal state, when pressing remote controller key, infrared receiving terminal receives infrared signal, the GP3 port of single-chip microcomputer receives the infrared signal input and decodes, whether 10 monitor signals that circulate are effective, and remote control scanning is when GPIO3=0 then skips, there is not remote signal, when GPIO3=1 then has remote signal, if be starting-up signal, then GP1 is a high level, then provide trigger current to make load connect to the silicon controlled control utmost point, electrical equipment is started working; When telepilot was pressed the standby button once more, then GP1 was a low level, and controllable silicon ends, and circuit enters holding state once more.
The power supply of entire circuit directly adopts civil power to infeed, and after alternating current process current-limiting resistance R1 and the R2 current limliting, after diode D5 half-wave rectification, to capacitor C 1 charging, little power consumption reference voltage source LM385 is stabilized in 2.5V to voltage, powers to single-chip microcomputer.Infrared receiving diode adopts the HL-3238 of low-power consumption, quiescent current is 300UA, and working current utilizes full-wave bridge rectifier circuit and one-way SCR to compose in parallel alternating-current switch here about 400UA, provide the silicon controlled trigger current by single-chip microcomputer, with the break-make of control load circuit.When single-chip microcomputer output high level, connect load, otherwise then cut off path.Owing to adopted unidirectional responsive controllable silicon here, the electric current of control alternating current break-make eases down to about 50UA greatly, compares with traditional relay (Control current is several milliamperes), greatly reduces power consumption.It is Zero-power-consumption standby that this control device can be realized substantially on basis very cheaply, and stand-by power consumption is approximately 0.17W, can be widely used in the various household appliances.And save battery, relay, use civil power standby power supply still can ensure complete machine safety again.The entire circuit control device can modularization, but also circuit integration.
In addition, the hardware design of super low-power consumption standby control apparatus of the present utility model is as follows:
1) power module
At present, the stand-by power consumption of most of household electrical appliance is big, wastes energy.Traditional home appliance stand-by circuit power supply is a Switching Power Supply, and Switching Power Supply efficient under underloading or idle condition sharply descends, and the consumption in the time of unloaded is also more than 1W.So having abandoned, the utility model utilizes Switching Power Supply power taking from the alternating current.Do you but how the alternating current of 220V be dropped to 2.5V to the stand-by circuit power supply and power consumption is dropped to minimum? three kinds of schemes are arranged, and are respectively transformer step-down, capacitance decompression and resistance step-down.Adopt the transformer step-down the same with Switching Power Supply, the efficient in the time of underloading sharply descends, and most energy consumption is on coil; Adopt the power factor of capacitance decompression very little, big to Disturbance in Power Net; We have adopted the method for resistance step-down, utilize resistance step-down current limliting, and capacitor filtering and stabilivolt voltage stabilizing are powered to entire circuit.
The prerequisite that adopts resistance step-down method is exactly that the consumption of entire circuit is as far as possible little, want power consumption control below 0.2W, circuit institute consumed current will be controlled at below the 900uA, so will select stabilivolt, control chip, infrared receiving terminal and the control alternating current switching device of low-power consumption.
Stabilivolt is to utilize the voltage stabilizing function that reverse breakdown characteristics had of PN junction to reach the purpose of voltage stabilizing.The minimum working current of common stabilivolt is bigger, loses voltage regulation performance under little current status.Little power consumption reference voltage source LM385 that we adopt can keep fine voltage regulation performance under the working current of 20uA-20mA.
2) main control chip part
The single-chip microcomputer of low-power consumption in the market mainly contains MSP430 and PIC, and the standby current of MSP430 can be low to moderate below the 0.1uA, and is powerful, but its price comparison height.The standby current of PIC single-chip microcomputer is also smaller, at the 2.5V power supply, standby current under the 1MHz crystal oscillator is about 150uA, its low price (4.5 yuan in monolithic price name coin) importantly, function also can satisfy demand of the present utility model, thereby adopted the PIC single-chip microcomputer, by crystal oscillator frequency is dropped to 150KHz, the single-chip microcomputer standby current is controlled at below the 100uA.
3) control alternating current switch sections
Control alternating current switch can adopt relay or controllable silicon, and the drive current of relay generally all needs can't adopt in our circuit more than the 3mA.Utilize SCR control alternating current break-make, the method for most convenient is to adopt bidirectional triode thyristor.Bidirectional triode thyristor has lockout feature and two-way switch function, only needs in zero-crossing of alternating current to add a pulse that surpasses extinction current at the silicon controlled control end and just can allow the controllable silicon conducting.In theory, for responsive bidirectional triode thyristor,, just can make controllable silicon conducting in the whole semiperiod of waveform as long as add the 3mA bias current pulse of a lasting 300us at the zero crossing place.But find that through test responsive silicon controlled Control current often needs 4mA or 5mA, and circuit does not drive.In addition, unidirectional responsive silicon controlled Control current is very little, can hang down about 50uA, with the break-make of unidirectional responsive SCR control alternating current, earlier alternating current by full-wave rectification.Adopt rectifier bridge and responsive one-way SCR, when receiving starting-up signal, drive controllable silicon and connect civil power, so both saved the alternating current zero passage detection, also reduced the difficulty of programming simultaneously.
4) infrared signal receiving unit and notification portion
The current sinking of the infrared receiving terminal (HL-3238) that the utility model adopts is about 400uA.And utilize miniwatt led to do prompting.
Table one is the cost accounting of concrete element of the present utility model when selecting:
Table two is the power consumption table of super low-power consumption Opportunity awaiting control for linear device of the present utility model.
Content by table one and table two is come as can be seen, and the utility model utilizes smaller cost, has realized the Opportunity awaiting control for linear of low-power consumption.
More than a kind of super low-power consumption standby control apparatus provided by the utility model is described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, the part that all can change in specific embodiments and applications, thereby this description should not be construed as restriction of the present utility model.
Claims (7)
1. a super low-power consumption standby control apparatus is characterized in that, comprising:
Telepilot is used to launch infrared signal;
Infrared receiving module is used to receive the infrared signal that telepilot is launched;
Signal processing module is judged standby or start according to the infrared signal that infrared receiving module receives, and is sent steering order;
DC power supplier is by mains-supplied, for signal processing module provides power supply;
The alternating-current switch module, the instruction of sending according to signal processing module is switched on or switched off;
After alternating-current switch module and the electric appliance load series connection, its two ends connect civil power.
2. super low-power consumption standby control apparatus according to claim 1 is characterized in that: described infrared receiving module is an infrared receiving diode, relies on signal processing module that power supply is provided.
3. super low-power consumption standby control apparatus according to claim 1, it is characterized in that: described alternating-current switch module comprises full-wave bridge rectifier circuit and is connected to the one-way SCR of its A, B end that the control of described signal processing module and one-way SCR extremely links to each other.
4. super low-power consumption standby control apparatus according to claim 1 is characterized in that: described signal processing module is single-chip microcomputer or dsp chip.
5. super low-power consumption standby control apparatus according to claim 4 is characterized in that: described single-chip microcomputer is the PIC single-chip microcomputer, and its crystal oscillator frequency is 150KHz.
6. according to each described super low-power consumption standby control apparatus of claim 1 to 5, it is characterized in that: described DC power supplier comprises successively current-limiting resistance, diode and the reference voltage source of series connection, at the reference voltage source two ends also and be connected to electric capacity.
7. super low-power consumption standby control apparatus according to claim 6 is characterized in that: this reference voltage source is selected LM385.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202008984U CN201654512U (en) | 2010-05-18 | 2010-05-18 | Standby control device with ultra lower power consumption |
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| CN2010202008984U CN201654512U (en) | 2010-05-18 | 2010-05-18 | Standby control device with ultra lower power consumption |
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| CN201654512U true CN201654512U (en) | 2010-11-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346453A (en) * | 2011-07-22 | 2012-02-08 | 中环天仪股份有限公司 | Analog data collection module based on industrial Ethernet |
| CN102736525A (en) * | 2011-04-13 | 2012-10-17 | 保锐科技股份有限公司 | Electronic device and standby power supply control system thereof and standby power supply control method |
| CN109002003A (en) * | 2018-08-31 | 2018-12-14 | 佛山市法力奇电器科技有限公司 | A kind of control circuit of electric water heater and control method |
-
2010
- 2010-05-18 CN CN2010202008984U patent/CN201654512U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736525A (en) * | 2011-04-13 | 2012-10-17 | 保锐科技股份有限公司 | Electronic device and standby power supply control system thereof and standby power supply control method |
| CN102346453A (en) * | 2011-07-22 | 2012-02-08 | 中环天仪股份有限公司 | Analog data collection module based on industrial Ethernet |
| CN109002003A (en) * | 2018-08-31 | 2018-12-14 | 佛山市法力奇电器科技有限公司 | A kind of control circuit of electric water heater and control method |
| CN109002003B (en) * | 2018-08-31 | 2022-02-08 | 佛山市法力奇电器科技有限公司 | Control circuit and control method of electric water heater |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110518 |