CN101329960B - Control device for implementing nought power consumption standby - Google Patents
Control device for implementing nought power consumption standby Download PDFInfo
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- CN101329960B CN101329960B CN2008100676470A CN200810067647A CN101329960B CN 101329960 B CN101329960 B CN 101329960B CN 2008100676470 A CN2008100676470 A CN 2008100676470A CN 200810067647 A CN200810067647 A CN 200810067647A CN 101329960 B CN101329960 B CN 101329960B
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Abstract
The invention relates to a power switch for realizing zero standby power consumption and a control device. The control device comprises an SCM and a power switch connected between controlled equipment and an input power; the interior of the power switch is provided with a coil and an iron core. After the SCM receives the instruction of startup or shutdown, an instant impulse signal is output for controlling the conduction of a drive switch; an instant impulse current is generated in the coil of the power switch; the iron core under the effect of the magnetic force generated by the coil connects or disconnects the input power of the controlled equipment. Aiming at solving the disadvantage that the realization of zero standby power consumption increases extra power consumption of the prior art in normal working hours, thereby being unable to realize real effect of energy saving, the invention provides the power switch for realizing zero standby power consumption and the control device, and therefore, in standby state or in normal working state, no current passes through the coil of the power switch, realizing real zero power consumption and energy saving.
Description
Technical field
The present invention relates to household electrical appliance, more particularly, relate to a kind of control device of realizing Zero-power-consumption standby.
Background technology
In present household electronic products such as television set, the user is by remote controller shutdown mostly, Here it is we " standby " often said.In this case, power supply, remote control reception and the microprocessor portion in the machine still keeps operating state to wake electrical equipment to guarantee next time up from the button that touches on remote controller or this machine.And power supply and microprocessor are to design under full load situation for whole system, and the power consumption after standby still maintains a higher level.In addition, circuitry is connected with electrical network when standby, has certain potential safety hazard, and for example thunderbolt or overvoltage etc. cause on fire or blast.Reduce standby energy consumption and mean that not only the consumer saves the electricity consumption spending, and reduced the pressure of energy waste and environmental protection, electrical energy saving has important effect for reducing CO2 emission and controlling global greenhouse effect.Our country does not have compulsory requirement to standby energy consumption at present, shows through relevant test data, and the household electrical appliance stand-by power consumption is at 5W-15W on the market at present, even some is up to 30W.At this situation, a lot of people have proposed various method, the purpose that reduce and improve stand-by power consumption to reach, improves standby safety, and its solution that compares main flow has following several types:
1, adopts other one group of special standby power when standby, to work, close main power source and other unwanted partial circuit after the standby, to reach the purpose that reduces stand-by power consumption.Its shortcoming is that cost is higher, is difficult to accomplish the power consumption that 1W is following, does not cut off alternating current circuit in addition when standby, does not reach essential safety;
2, under holding state, the mode of oscillation that changes Switching Power Supply reaches the work of cutting off most of circuit after standby and reduces power consumption, and present electrical equipment makes in this way mostly, and its shortcoming is same as above;
3, increase the processing that a small-sized single-chip microcomputer is specifically designed to infrared remote controller, original alternating current circuit is opened or cut off in the correct back of decision instruction by electromagnetic relay, and single-chip microcomputer itself adopts battery or super capacitor to power, to reach so-called " Zero-power-consumption standby ", this is a kind of comparatively practicable processing mode, also be the main flow that stand-by power consumption solves thinking basically, exchange when it has really reached standby zero-power (internal cell power supply) or even be lower than the power consumption at several watts of zero points, but since its common feature be " normally opened contact of electromagnetic relay is serially connected in the alternating current circuit; during start with solenoid energising and keep to connect AC power; remote controller shutdown back electromagnetic relay discharges; cut off AC power ", the method has been accomplished full cut-out of alternating current and Zero-power-consumption standby really after standby, but there is also some important shortcomings:
A, one group or two groups of coil power dissipations (some patent uses an auxiliary relay to add a power relay) have been increased, this coil needs making alive to keep adhesive when work, but this power consumption can not be ignored when work, for example drive the relay that the 250V/5-8A in the ac main circuit gets an electric shock, the power consumed of its coil own, between 0.4W-0.8W, that is to say, use the words of its technology, though can power saving after shutdown, but when operate as normal, increased the power consumption of 0.3-0.5W * 2 on the contrary, so this is a kind of false energy-conservation, does not reach real energy-saving effect;
B, this method need to force start with a special switch after the voltage on battery or the electric capacity exhausts, and cause user's complicated operation;
C, have only and to use the remote controller switching on and shutting down after the original button mains switch closure, the button mains switch is when off-state, start shooting still can only go in front and press with hand, do not accomplish real perfectly operability, promptly whenever the user all power available key, remote controller, touch wherein any operation start or shutdown for the treatment of switch, and do not consider that controlled device is at the sort of state;
D, the circuit that is increased and part have improved the failure rate and the unreliable factor of controlled device, particularly when self-discharge of battery, the contact of relay, the long-time energising of coil be overheated burning easily, the single-chip microcomputer generation fault that might be interfered, because the characteristics of similar this technology its " normally opened contact that increases a relay is serially connected in the alternating current circuit ", in case wherein arbitrary Parts Breakdown will cause controlled device all functions forfeitures and can not start shooting;
4, increase a small-sized single-chip microcomputer and be specifically designed to the infrared remote controller processing, the correct back of decision instruction switches on or off original alternating current circuit by electromagnetic relay, its processing procedure is very similar with method 3, but the power supply of single-chip microcomputer is obtained by rectifying and wave-filtering by alternating current, because very power saving of single-chip microcomputer, the method can be accomplished the standby power that 0.1-1W is following, because its core technology and method 3 are similar, therefore its shortcoming is also similar, except the problem that does not exist battery or electric capacity to exhaust.
Summary of the invention
The technical problem to be solved in the present invention is, under holding state, realize zero-power at the above-mentioned of prior art, but when operate as normal, increased extra power consumption on the contrary, thereby do not reach the defective of real energy-saving effect, a kind of control device of realization Zero-power-consumption standby of practical energy-saving safe is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of control device of realizing Zero-power-consumption standby, comprise single-chip microcomputer and be connected controlled device and the mains switch of input between the power supply, described mains switch is based on common self-locking key switch, comprise Switch main body, spring and be sheathed on push rod in the described spring, according to feature of the present invention
Described push rod axially on be provided with an end and be fixed on the iron core on the described push rod and be fixed on the coil that is used to hold described iron core on the described Switch main body;
Coil one end of described mains switch is connected an end of input power supply, and the other end is connected the other end of importing power supply by a driving switch, and the control end of described intermediate switch is connected to the output control pin of described single-chip microcomputer; Wherein
After described single-chip microcomputer receives the instruction of start or shutdown, export the pulse signal of a moment and control described driving switch conducting, produce the pulse current of a moment in the coil of described mains switch, described iron core is switched on or switched off the input power supply of described controlled device under the magneticaction that described coil produces;
Described control device comprises that further being connected the infrared ray that is used to detect infrared signal with described single-chip microcomputer receives isolated location, wherein
Described single-chip microcomputer is at the start laggard sleep state of going into that resets, after described infrared ray reception isolated location receives infrared signal, enter decoded state by interrupting waking single-chip microcomputer up, in case judge that teleswitch value is identical with predefined value, send the pulse signal of a moment from described single-chip microcomputer, and then trigger described driving switch and mains switch;
Described infrared ray receives the output of isolated location and delivers to described single-chip microcomputer and controlled device respectively, and described single-chip microcomputer preestablishes and only handles the mains switch instruction, is connected to described controllable device through the infrared signal after isolating it is controlled.
In control device of the present invention, described driving switch comprises middle gate-controlled switch that is connected with described mains switch and the driving isolating device that is connected with described middle gate-controlled switch, after described single-chip microcomputer sends the described driving isolating device isolation of pulse signal process of a moment, and then make described middle gate-controlled switch conducting.
In control device of the present invention, described control device further comprises the external reset unit that is connected between described controlled device and the single-chip microcomputer, wherein
After by the start of any pattern, trigger described external reset unit after the described controlled device work, the hardware reset that makes described single-chip microcomputer is once.
In control device of the present invention, described control device further is included as described single-chip microcomputer and infrared ray receives the battery of isolated location power supply and the power supply switch unit that is connected with controllable device with described battery, wherein
When controlled device was in holding state, described power supply switch unit controls described single-chip microcomputer and infrared ray receives isolated location by described powered battery;
When described controlled device operate as normal, described power supply switch unit is controlled described infrared ray and is received isolated location and single-chip microcomputer and automatically switch to by controlled device and power.
In control device of the present invention, described control device further comprises the standby indicating member that is connected with described single-chip microcomputer, wherein
After by any pattern shutdown, described single-chip microcomputer is exported a control signal at regular intervals, makes described standby indicating member send the flash signal of the described controllable device of expression at holding state.
In control device of the present invention, described control device further comprises the power key that touches that is connected with described single-chip microcomputer, enters the pattern of setting by long by the described power key that touches, so that any one button is a power switch key on the self-defining remote controller.
Implement the mains switch and the control device of realization Zero-power-consumption standby of the present invention, have following beneficial effect:
1, on common self-locking key switch basis, coil and iron core have been increased, only need when start or shutdown, use the pulse signal of a moment, the push rod of mains switch is moved once, can finish start or shutdown, and this mode does not have the coil of electric current by mains switch under holding state or normal operating conditions, thereby has realized real zero-power and energy-conservation;
2. the mains switch of realization Zero-power-consumption standby of the present invention has that applicability is wide, a structure and production technology is simple, dependable performance, characteristics that cost is low;
3, the operating habit of fully compatible existing controlled device can use the key switch machine that touches of mains switch, remote controller and controlled device, but equally also married operation;
4, only at start or the about 10ms of shutdown moment energising work, all no power work has so improved reliability of products and life-span and has reached real effect in energy saving and environmental protection At All Other Times for mains switch coil and middle gate-controlled switch;
5, taken into full account the compatible context of different controlled devices, be very easy to and most controlled device interface, for most of electrical equipment, only need to replace the switch of controlled device with mains switch of the present invention, remove the infrared receiver of former controlled device, infrared remote control signal of the present invention is received the input of controlled device, the power supply of getting a 5V/10mA from controlled device gets final product again, because mains switch of the present invention improves on universal self-locking key switch basis, make product have versatility, installation dimension can compatible most controlled device, as TV, video disc player, sound equipment, power amplifier, equipment such as set-top box;
6, cut off interchange after the shutdown fully, do not consume any power consumption, has energy-conservation and safe double effects, when the start operate as normal, only need to increase the extremely low power consumption of controlled device, this power consumption is no more than 5V/10mA (being 50mW), and above numerical value is the value under the maximum charging current, is full of the post consumption electric current and is no more than 3mA;
7, based on adopting switch of the present invention, infrared remote control receiver is powered simultaneously by battery and controlled device, and the infrared signal design of after isolating, giving single-chip microcomputer and controlled device simultaneously, control device of the present invention can not impact the controlled device reliability, even control device of the present invention breaks down, controlled device still can equally not operated with before using control device of the present invention, and there is not the situation of afunction to take place, for example, even single chip microcomputer halt of the present invention or damage, the coil burnout of mains switch, situations such as the interior standby running down of battery of machine, controlled device except can not be under off-mode with remote controller and touch the button start, other all without any loss function, for example still power available switch start, the start all remote controls in back all can be operated, comprise with using the preceding idle function of the present invention, certainly receiver of remote-control sytem damages and shoulds be regarded as a different matter, it should be noted that, this receiver of remote-control sytem uses the receiver of remote-control sytem of former controlled device, promptly has same failure rate with original equipment;
8, all adopt universal device, simple in structure, cost is low, dependable performance, is particularly suitable for large-scale production, can really be applicable to marketing.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Figure 1A is the structural representation of an embodiment of mains switch of the present invention;
Figure 1B is the decomposing schematic representation of an embodiment of mains switch of the present invention;
Fig. 2 is the logic diagram of an embodiment of control device of the present invention;
Fig. 3 is the circuit theory diagrams of an embodiment of control device of the present invention.
Embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Shown in Figure 1A and 1B, the mains switch that can manually reach pulse current control of the present invention is to improve to form on the basis of universal self-locking button mains switch.Universal button mains switch generally is made of push rod 20, spring 24, spring spacer, switch contact, self-locking guide rail, self-locking spring slice and Switch main body 23.The afterbody lengthening that the present invention will have the push rod 20 of universal button mains switch now makes it outstanding Switch main body 23, and be provided with a recessed button bit, with reference to the push rod 20 shown in Figure 1A and the 1B, on the axial direction of push rod 20, increased simultaneously one group of electromagnet of forming by helical tubular coil 22 and iron core 21, one end of iron core 21 is fixed in the button bit of push rod 20 and with push rod 20 motions, helical tubular coil 22 is fixed on the Switch main body, there is the hollow skeleton of a slightly larger in diameter in iron core 21 diameters helical tubular coil 22 inside, iron core 21 places this hollow skeleton inner unfixing, can be at the elastic force of thrust that is subjected to push rod 20 and spring 24, or the magnetic force lower edge push rod 20 pushing directions motion that on iron core 21, produces during 22 energisings of helical tubular coil.Mains switch of the present invention comprises Switch main body 23, spring 24 and is sheathed on push rod 20 in the spring 24, push rod 20 axially on be provided with an end and be fixed on the iron core 21 on the push rod 20 and be fixed on the helical tubular coil 22 that is used to hold iron core 21 on the Switch main body 23.Helical tubular coil 22 can change parameter according to different application conditions, to adapt to different voltage requests.In addition, helical tubular coil 22 and iron core 21 also can change fixed angle and modes of emplacement according to actual needs, lever for example, and its final purpose is that the magnetic force that acts on the push rod 20 is identical with the effect of manually pushing.The contact of mains switch of the present invention can be single-pole single-throw(SPST or single-pole double throw, also can be double-pole single-throw (D.P.S.T.) or dpdt double-pole double-throw (DPDT).
Below the action of mains switch of the present invention is described:
1, feeds pulse current and make its connection: when helical tubular coil 22 feeds pulse current, the direction that iron core 21 pushes along push rod 20 is done the rectilinear motion of the formula of drawing in, driving self-locking button push rod 20 pushes, self-locking spring slice locks the switch in make position, after pulse current finished, switch contact kept connecting;
2, feed pulse current and make its disconnection: when helical tubular coil 22 feeds pulse current, iron core 21 pushes the rectilinear motion that direction is done the formula of drawing in along push rod 20, driving self-locking button push rod 20 pushes, self-locking spring slice locks the switch in open position, after pulse current finished, switch contact kept disconnecting.
Above operating process is similar with manually pushing push rod 20, does not all need to keep energising to coil after mains switch opens or closes, and different is that the feeding pulse current produces helical tubular coil 22 on iron core 21 pulling force is drawn in push rod 20.
As shown in Figure 2, there is shown a kind of control device of realizing Zero-power-consumption standby.Control device of the present invention comprises that mains switch 1, middle gate-controlled switch 2, driving isolating device 3, shutdown level driver element 4, controlled device power supply detecting unit 5, single-chip microcomputer 6, standby indicating member 7, infrared ray receive isolated location 8, power supply switch unit 9, controlled device 10, pulse current charge circuit 11, battery 12 and external reset unit 13, gate-controlled switch 2 and driving isolating switch 3 are formed a total driving switch wherein, this driving switch equally also can be replaced by similar switching device, for example relay, switching tube etc.The present invention uses the mains switch 1 that can manually reach pulse current control to replace the main power source key switch of controlled device 10, coil one termination of mains switch 1 of the present invention exchanges arbitrary end of input, again with the other end of coil with after the gate-controlled switch 2 of one group of normally opened contact is connected, receive the other end that exchanges input again, the control end of middle gate-controlled switch 2 is connected with the output pin of single-chip microcomputer 6 by driving isolating device 3, pulse signal of single-chip microcomputer 6 outputs, gate-controlled switch 2 is connected in the middle of making under the control that drives isolating device 3, because the coil two ends of mains switch 1 have been connected on the two ends that exchange input, the pulse current that can produce a moment this moment makes coil produce magnetic force, and then the iron core of pulling mains switch 1 makes it be switched on or switched off the interchange input.Because the moment (for example 10ms) that 1 needs of mains switch of the present invention open or close is given coil electricity, and do not need to keep energising At All Other Times, so power consumption is extremely low.Those skilled in the art should know, control device shown in Figure 2 only is one embodiment of the present of invention, the driving switch that middle gate-controlled switch 2 shown in the figure and driving isolating device 3 are formed can use similar switching device to substitute, as relay, switching tube etc., single-chip microcomputer 6 only need be exported a momentary pulse signal, make this type of switching device conducting, thereby make the Inside coil of mains switch 1 of the present invention produce the pulse current of a moment, draw in iron core and make mains switch 1 be switched on or switched off the input power supply.
Below in conjunction with Fig. 2 the control device of realization Zero-power-consumption standby of the present invention is described further.After controlled device 10 shutdown, receive isolated location 8 power supplies for single-chip microcomputer 6 and infrared ray by power supply switch unit 9 control batteries 12, single-chip microcomputer 6 finishes that power-on self-test and initialization are laggard goes into sleep pattern, the representative value of its current sinking is several microamperes, after infrared ray reception isolated location 8 receives infrared signal, enter decoded state by interrupting waking single-chip microcomputer 6 up, in case judge teleswitch value with predefined identical after, send the pulse signal of a moment from single-chip microcomputer 6, gate-controlled switch 2 conductings in the middle of triggering, and then make the coil of mains switch 1 produce the pulse current of a moment, so that coil is drawn in iron core mains switch 1 is opened or closed.The inside of single-chip microcomputer 6 contains house dog, and has done multiple Anti-Jamming Technique on software, has avoided program fleet or deadlock problem.In addition, when controlled device power supply detecting unit 5 does not detect the voltage of controlled device 10, pulse signal of single-chip microcomputer 6 control standby indicating members, 7 every certain interval of time outputs is lighted the light-emitting diode of standby indicating member 7, is in holding state with prompting controlled device 10.This moment, the user can start shooting by following three kinds of modes, promptly be connected on the power key on the remote controller, the controlled device 10 single-chip microcomputer 6 touch key, according to the mains switch 1 that can manually reach pulse current control of the present invention.Below be the explanation of three kinds of start modes:
1, on pressing remote controller during power key, activate single-chip microcomputer 6 and export the pulse signal of a moment from single-chip microcomputer 6 control pins, the control end of this pulse signal gate-controlled switch 2 in the middle of the isolating device 3 of overdriving is delivered to, the middle gate-controlled switch 2 contact moment connections coil that can manually reach the mains switch 1 of pulse current control of the present invention, the pulling force moment that produces on inner iron core behind the coil electricity is with mains switch 1 closure, and then make main ac circuit closure, alternating current is delivered to controlled device 10 by the contact of mains switch 1 of the present invention, finishes normal boot-strap then;
2, when press be connected to single-chip microcomputer 6 touch key the time, single-chip microcomputer 6 makes the ac circuit closure from the same pulse control signal of control pin output by the process control same as described above mains switch 1 that can manually reach pulse current control of the present invention;
3, when pressing mains switch 1 start that can manually reach pulse current control of the present invention, equally finish start process with common household electrical appliance, and single-chip microcomputer 6 does not participate in work in this process.
After the start, voltage of controlled device 10 outputs receives power supply switch unit 9 and controlled device power supply detecting unit 5, power supply switch unit 9 switch to power supply automatically by described voltage and supply with, single-chip microcomputer 6 and infrared ray reception isolated location 8 keeps power supply always in the handoff procedure, controlled device power supply detecting unit 5 is closed standby indicating member 7 by the input pin notice single-chip microcomputer 6 of single-chip microcomputer 6 simultaneously, control impuls charging circuit 11 gives battery 12 chargings simultaneously, keeps constant current charge after setting is charged to certain value.In whole process, from controlled device+electric current of the last power taking of 5V is no more than 10mA.After start is finished, the maintenance of need not switching on of the coil of mains switch 1 of the present invention and middle gate-controlled switch 2, the described voltage that only need consume controlled device is no more than 10mA (maximum charging current).Because the output signal that infrared ray receives isolated location 8 is by giving controlled device 10 and single-chip microcomputer 6 simultaneously after isolating, so normally watching in the process original operation without any influence.In addition, infrared ray receives the output of isolated location 8 and delivers to described single-chip microcomputer 6 and controlled device 10 respectively, and single-chip microcomputer 6 preestablishes and only handles the mains switch instruction, and be connected to described controllable device 10 through the infrared signal after isolating it is controlled.
Shutdown process has four kinds of different modes, promptly remote-control closedown, touch key shutdown, regularly and no signal is shut down automatically, the mains switch shutdown.Below be the explanation of shutdown process under four kinds of patterns:
1, when adopting the remote controller shutdown, after single-chip microcomputer 6 is received off signal, from the control pin output pulse signal, by driving the control end that isolating device 3 is added to middle gate-controlled switch 2, the coil of the contact moment energized switch 1 of middle gate-controlled switch 2, the pulling force moment that produces on inner iron core behind the coil electricity, the main ac circuit with mains switch 1 disconnected, and so finished normal shutdown;
2, when press be connected to single-chip microcomputer 6 touch key the time, single-chip microcomputer 6 disconnects by the same process control ac circuit that can manually reach the mains switch 1 of pulse current control of the present invention from the same pulse control signal of control pin output;
3, when being provided with timing shutdown at controlled device 10, or condition shutdown and condition are when satisfying, controlled device pulse of 10 outputs or fixed level, shutdown level driver element 4 is connected to the input pin of single-chip microcomputer 6, single-chip microcomputer 6 is finished normal shutdown from the same pulse signal of control pin output by identical process;
4, when pressing mains switch 1, the ac circuit that can manually reach the mains switch 1 of pulse current control of the present invention disconnects, and the same with common controlled device shutdown process, single-chip microcomputer is Attended Operation not.
After finishing shutdown, power supply switch unit 9 switches to battery 12 power supplies with the power supply of single-chip microcomputer 6 and infrared ray reception isolated location 8, controlled device power supply detecting unit 5 notice single-chip microcomputers 6 cut out pulse current charge circuit 11 simultaneously, and standby indicating member 7 opened, single-chip microcomputer 6 enters sleep and waits for that start button and remote controller signal wake up then.
Simultaneously, controlled device 10 can be by the hardware reset of external reset unit 13 with single-chip microcomputer 6, and single-chip microcomputer 6 inner existing start reset circuits, the meaning that each controlled device 10 work backs reset for single-chip microcomputer 6 is, make single-chip microcomputer 6 after each controlled device 10 work, enter an initial state, to improve its reliability.Even just in case under the abnormal situation of situation work such as be interfered, manually also can return to normal operating conditions after the button start.
Fig. 3 is the circuit theory diagrams of the control device of realization Zero-power-consumption standby of the present invention.The contact of mains switch K1 of the present invention is connected in and exchanges between input and the controlled device 10, certain difference of equipment according to the rules, and this switch can be simply connected or duplex as shown in the figure.The T1 of the coil of switch and controllable silicon SCR 1, be linked into the input two ends of alternating current after the series connection of T2 end, optocoupler U1 realizes the isolation of primary and secondary and the driving of controllable silicon SCR 1, the 1 pin ground connection GND of single-chip microcomputer U2,2 pin detect as the power supply of controlled device 10,3 pin are defined as the control output of pulse current charge circuit, 4 pin are defined as the button input, 5 pin are defined as the input of infrared remote control signal, 6,7,8,9 pin are empty pin, 10 pin are that external hardware resets, 11 pin are defined as the control output of standby indicating member 7, and 12 pin are defined as the output of switch controlling signal, and 14 pin meet power supply VCC.
Diode D2, D7 are as the isolating device of infrared signal, make and receive simultaneously between single-chip microcomputer U2 and the controlled device and be independent of each other, diode D4, D5 are as the isolation and the switching device of battery BAT1 and controlled device power supply, and triode Q1 is as the switch control device of pulse current charge.Under off-mode, battery BAT1 gives single-chip microcomputer U2 and infrared receiver U3 power supply by D4.Single-chip microcomputer U2 carries house dog and reset circuit, is low because the power supply of controlled device detects pin, and U2 lights D3 from the every certain interval of time output pulse signal of 5 pin, to indicate as standby.
When legal start (remote control, button and regularly), the pulse signal of the high level of 6 pin output of single-chip microcomputer U2, isolate by optocoupler U1 and to control controllable silicon SCR 1 moment conducting, the coil moment energising of mains switch K1, iron core pulling push rod in its coil, with K switch 1 closing of contact, alternating current is connected to controlled device 10 work by the contact of mains switch K1.As shown in Figure 3, optocoupler U1 and controllable silicon SCR 1 are formed a driving switch, promptly drive isolating device 2 and middle gate-controlled switch 3.In addition, Fig. 3 also shows another by the driving switch that drives isolating device 2A and middle gate-controlled switch 3A, i.e. switching tube and relay, single-chip microcomputer U2 sends the pulse enable signal switching tube conducting of a moment, and then make the fixed contact and the normally-closed contact adhesive of relay, in the coil of mains switch 1, produce the pulse current of a moment then, coil acts on the contact position that magnetic force pulling iron core on the iron core and push rod change mains switch 1, makes the input power connection or the disconnection of controlled device 10.
After controlled device 10 work, its+5V voltage is connected to 1 pin of U2 by diode D5, because this voltage (about 4.3V) exceeds the voltage of battery BAT1, so diode D4 ends, the power supply of U2 will be supplied with by D5 by+5V, simultaneously voltage+5V is added to 2 pin of U2 by resistance R 15, and after single-chip microcomputer U2 detected this voltage, the standby wink signal that will be connected with 5 pin was closed.Repeat to export a negative pulse simultaneously and make the property conducting of triode Q1 interval give battery BAT1 charging, the electric current of charging can be adjusted by resistance R 14, and the ceiling voltage of charging is 4.1V, i.e. 5V-0.7V (diode drop)-0.2V (triode CE pressure drop).After battery BAT1 was full of, this electric current can reduce automatically.
In addition, the voltage+5V of controlled device is added to the base stage of triode Q7 by capacitor C 3, makes low level of collector electrode output of Q7, with single-chip microcomputer U2 hardware reset.The inner existing start reset circuit of single-chip microcomputer U2, the meaning that each controlled device 10 work backs reset for single-chip microcomputer U2 are, make single-chip microcomputer U2 after each controlled device 10 work, enter an initial state, to improve its reliability.Even just in case under the abnormal situation of situation work such as be interfered, manually also can return to normal operating conditions after the button start.
In the process of start, controlled device 10 is sent high level by resistance R 18, is added to 4 pin of U2 by triode Q2, and making 4 pin is low level.12 pin of single-chip microcomputer U2 are sent a pulse signal, and isolate by optocoupler U1, and then make controllable silicon SCR 1 moment conducting, the coil moment energising of mains switch K1 then, the iron core pulling push rod in its coil disconnects mains switch K1 contact.After the contact of K switch 1 disconnected, voltage+5V disappeared, and diode D5 ends, diode D4 conducting, to U2 and U3 power supply, 2 pin of U2 are low level to battery BAT1 simultaneously by D4, the 3 pin charge closing pulses output of U2, and the standby marker pulse output of opening 11 pin of U2.Through actual measurement, under holding state, the electric current of battery 3.6V is 0.4mA, and alternating current is zero.Starting shooting moment battery 3.6V operating current 3mA.After the start, the current drain on the 5V voltage is about 5mA.
In addition, the user can also come the power switch key of self-defining remote controller by initial setting up, long press be connected to single-chip microcomputer U2 touch power key SW1, standby lamp D3 fast blink prompting enters self-defined infrared remote control power switch bonded state, this moment, the user pressed predefined power switch key, stop the fast blink of standby lamp after the single-chip microcomputer U2 identification, then data are write internal flash, so that drop-out not after the outage.
It should be noted that, provided the example that uses switching tube and auxiliary relay to replace optocoupler and ac thyristor among Fig. 3, promptly use 3A, 2A among Fig. 3 partly to replace 3, the circuit of 2 parts, also can reach identical effect.
The above only is one embodiment of the present of invention, not in order to restriction the present invention.Based on other application more of the present invention, for example cancel the standby indicating member, or mains switch of the present invention is changed to the time pulse relay of band self-locking, or cancel battery and charging circuit, change another group independent current source etc. into.Any modification of being done within every the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. control device of realizing Zero-power-consumption standby, comprise single-chip microcomputer and be connected controlled device and the mains switch of input between the power supply, described mains switch is based on common self-locking key switch, comprises Switch main body, spring and is sheathed on push rod in the described spring, it is characterized in that
Described push rod axially on be provided with an end and be fixed on the iron core on the described push rod and be fixed on the coil that is used to hold described iron core on the described Switch main body;
Coil one end of described mains switch is connected an end of input power supply, and the other end is connected the other end of importing power supply by a driving switch, and the control end of described driving switch is connected to the output control pin of described single-chip microcomputer; Wherein
After described single-chip microcomputer receives the instruction of start or shutdown, export the pulse signal of a moment and control described driving switch conducting, produce the pulse current of a moment in the coil of described mains switch, described iron core is switched on or switched off the input power supply of described controlled device under the magneticaction that described coil produces;
Described control device comprises that further being connected the infrared ray that is used to detect infrared signal with described single-chip microcomputer receives isolated location, wherein
Described single-chip microcomputer is at the start laggard sleep state of going into that resets, after described infrared ray reception isolated location receives infrared signal, enter decoded state by interrupting waking single-chip microcomputer up, in case judge that teleswitch value is identical with predefined value, send the pulse signal of a moment from described single-chip microcomputer, and then trigger described driving switch and mains switch;
Described infrared ray receives the output of isolated location and delivers to described single-chip microcomputer and controlled device respectively, and described single-chip microcomputer preestablishes and only handles the mains switch instruction, is connected to described controlled device through the infrared signal after isolating it is controlled.
2. control device according to claim 1, it is characterized in that, described driving switch comprises middle gate-controlled switch that is connected with described mains switch and the driving isolating device that is connected with described middle gate-controlled switch, after described single-chip microcomputer sends the described driving isolating device isolation of pulse signal process of a moment, and then make described middle gate-controlled switch conducting.
3. control device according to claim 1 is characterized in that, described control device further comprises the external reset unit that is connected between described controlled device and the single-chip microcomputer, wherein
After by the start of any pattern, trigger described external reset unit after the described controlled device work, the hardware reset that makes described single-chip microcomputer is once.
4. control device according to claim 1 is characterized in that, described control device further is included as described single-chip microcomputer and infrared ray receives the battery of isolated location power supply and the power supply switch unit that is connected with controlled device with described battery, wherein
When controlled device was in holding state, described power supply switch unit controls described single-chip microcomputer and infrared ray receives isolated location by described powered battery;
When described controlled device operate as normal, described power supply switch unit is controlled described infrared ray and is received isolated location and single-chip microcomputer and automatically switch to by controlled device and power.
5. control device according to claim 1 is characterized in that, described control device further comprises the standby indicating member that is connected with described single-chip microcomputer, wherein
After by any pattern shutdown, described single-chip microcomputer is exported a control signal at regular intervals, makes described standby indicating member send the flash signal of the described controlled device of expression at holding state.
6. control device according to claim 1, it is characterized in that, described control device further comprises the power key that touches that is connected with described single-chip microcomputer, enters the pattern of setting by long by the described key switch that touches, so that any one button is a power switch key on the self-defining remote controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100676470A CN101329960B (en) | 2008-06-06 | 2008-06-06 | Control device for implementing nought power consumption standby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100676470A CN101329960B (en) | 2008-06-06 | 2008-06-06 | Control device for implementing nought power consumption standby |
Publications (2)
| Publication Number | Publication Date |
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| CN101329960A CN101329960A (en) | 2008-12-24 |
| CN101329960B true CN101329960B (en) | 2011-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100676470A Expired - Fee Related CN101329960B (en) | 2008-06-06 | 2008-06-06 | Control device for implementing nought power consumption standby |
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| Country | Link |
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| CN (1) | CN101329960B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759890A (en) * | 2011-04-26 | 2012-10-31 | 株式会社理光 | Switch device and apparatus including same |
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| CN109152152B (en) * | 2018-10-15 | 2024-09-03 | 深圳市比比赞科技有限公司 | Low-power consumption control circuit |
| CN111596747A (en) * | 2020-05-21 | 2020-08-28 | 深圳市信锐网科技术有限公司 | Component resetting method, device, equipment and readable storage medium |
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| Publication number | Publication date |
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| CN101329960A (en) | 2008-12-24 |
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