CN103747592A - Intelligent single live wire serial connection touch wireless remote control wall switch - Google Patents
Intelligent single live wire serial connection touch wireless remote control wall switch Download PDFInfo
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- CN103747592A CN103747592A CN201410024887.8A CN201410024887A CN103747592A CN 103747592 A CN103747592 A CN 103747592A CN 201410024887 A CN201410024887 A CN 201410024887A CN 103747592 A CN103747592 A CN 103747592A
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention provides an intelligent single live wire serial connection touch wireless remote control wall switch. A couth panel is connected with the input end of a capacitor touch control circuit of which the output end is connected to a microcontroller; the control output end of the microcontroller is connected with a controlled end of a load controller; a live wire input end is connected to the load controller by a power supplying protection circuit and is connected to the live wire output end by the power supplying protection circuit; the load controller is used for switching on or switching off; the power supplying protection circuit is also connected with a power supply circuit by a single-live wire serial connection electrified circuit; the load controller is also connected with the power supply circuit by an electrifying keeping circuit; the power supply circuit is used for supplying power for the microcontroller and the capacitor touch control circuit. According to the intelligent single live wire serial connection touch wireless remote control wall switch, the contact between strong electricity and the human body of a user is effectively isolated, the problem generated by the lighting control is solved, the safety loopholes are furthest eliminated, and the intelligent single live wire serial connection touch wireless remote control wall switch has the advantages of convenient and fast operation, safety, comfort, energy saving and environment friendliness.
Description
Technical field
The present invention relates to the control device of lighting load, especially relate to the switch on wall that household place that a kind of security level required is higher and public place lighting load are controlled.
Background technology
At present, in switch on wall field, what generally use is all mechanical type tandem tap, or common remote control switch and common single live wire series connection soft-touch control, and existing switch on wall all exists following common fault:
One. traditional mechanical switch, noise is large, and contact easily produces spark and brings out security incident, works as line short, is subject to strong thunder and lightning or overtension when unstable, holds and brings out the condition of a disaster very much, to user's even security of the lives and property of making troubles.In addition, when at wet environment, sleety weather, or the heavier adverse circumstances of humidity, because human body is the region that directly touches switch on wall, between plastic cement part and circuit part, there is certain gap, not isolation completely, also hold very much the conduction property that affects switch on wall, switch contact is easily aging, and likely causes switch surface leakage, when serious, likely can cause human electric shock, jeopardize personal safety.Separately, traditional switch, is all to adopt plastic front board, in long-time use procedure, easily jaundice, blackout even, and be difficult to clean, particularly in kitchen, local or outdoor dusty place that oil smoke is many.Cause and change frequently, affect aesthetics and comfortableness.
Two. common remote control switch, the not solution of problem due to phase line series connection power taking, can only be applicable to common incandescent lamp, and the power dissipation ratio of circuit itself is larger, and controlled load is had to great limitation, is also easy to cause the waste of electric energy simultaneously.
Three. common single live wire series connection touching telecontrol switch on the market at present, owing to will realizing wireless radio frequency remote control function, less radio-frequency receiver module and control circuit can consume gets certain electric weight, power taking efficiency is low especially, stand-by power consumption is larger, while using energy saving electronic load or low-power LED lamp and ceiling light, there will be cold flashing to resemble or out of control closing under the state of load, badly influence the life-span of use and load, even damage load.Separately, owing to touching, part interference free performance is poor especially, when in external interference, be easy to cause common single live wire series connection touching telecontrol switch crash, automatically bright, automatically go out, remote control is insensitive, it is insensitive to touch, problem and the limitation to load request such as automatic removing and remote controller pairing, load itself the two states function of only turning on light and turn off the light, and while producing above-mentioned situation, serious causing used inconvenience.Traditional single live wire series connection soft-touch control; Themaincontroller adopts controllable silicon or relay; there is no corresponding protection device and circuit, easily cause that controllable silicon itself damages because of overcurrent or overvoltage yet, and relay contact loose contact or contact sticky cause extremely together control malfunctioning.
Four. traditional switch, there is no protective circuit, protective value is poor, if meet high voltage, during heavy current impact, easily burns out control switch itself or the load of controlling.When serious, even can cause that electric wire is on fire and bring out fire.
Summary of the invention
Not enough for above-mentioned prior art, the technical problem to be solved in the present invention is to provide a kind of problem and potential safety hazard, simple operation, safety and comfort and energy-conservation switch on wall that in above-mentioned prior art, switch on wall produces in illumination control that overcome.
For solving the problems of the technologies described above, the technical solution used in the present invention is, the single live wire series connection of intelligence touches wireless remote control switch on wall, comprises touch panel, capacitance touching control circuit, microcontroller, load controller, single live wire series connection power-supply circuit, maintains power-supply circuit, power circuit, power supply protection circuit, live wire input and live wire output; Touch panel is connected with the input of capacitance touching control circuit, and the output of capacitance touching control circuit is connected to microcontroller; Load controller is provided with controlled end and two switch contacts; The control output end of microcontroller is connected with the controlled end of load controller; Live wire input is connected to first switch contact of load controller by power supply protection circuit, second switch contact of load controller is connected to live wire output by power supply protection circuit, and load controller is for making closed between two switch contacts or disconnecting according to the signal of microprocessor controls output; Power supply protection circuit is also connected with power circuit by single live wire series connection power-supply circuit, and load controller is also connected with power circuit by maintaining power-supply circuit; Single live wire series connection power-supply circuit, for power circuit being powered when load controller disconnects, maintains power-supply circuit for power circuit being powered when closure is controlled in load; Power circuit is used for microcontroller and capacitance touching control circuit supply.Such scheme makes user realize by touch panel the control operation of switch, by touch panel to microcontroller transmitted signal, again by microprocessor controls load controller closed and disconnected, make energising or power-off, thereby contacting between the alternating current that belongs to forceful electric power and user's human body isolated effectively, improve fail safe.
Further technical scheme is also to comprise fault automatic protection circuit; The control output end of microcontroller is connected with the controlled end of load controller by this fault automatic protection circuit.
Further technical scheme is, the controlled end of described load controller is provided with two controlled pins; One of them controlled pin of load controller is connected to a DC power supply, and another controlled pin of load controller is connected with the output of described fault automatic protection circuit; The control output end of described microcontroller comprises frequency output pin and controls output pin; Described fault automatic protection circuit comprises transistor Q3, transistor Q8 and transistor Q9; The collector electrode of transistor Q8 is connected with the coil of siller tin oxide alloy contact relay as the output of fault automatic protection circuit; The emitter of transistor Q8 is connected with the collector electrode of transistor Q3; The grounded emitter of transistor Q3; The base stage of transistor Q3 is connected to the control output pin of microcontroller by a resistance R 8, the base stage of transistor Q3 is also by resistance R 7 ground connection; The collector electrode of transistor Q8 is connected with the emitter of transistor Q9; The collector electrode of transistor Q9 is connected to a DC power supply by a resistance R 10; The base stage of transistor Q9 is connected to the negative electrode of a diode D8 by a resistance R 13, the anode of diode D8 is connected to the frequency output pin of microcontroller by a capacitor C 22; The anode of diode D8 is also connected with the negative electrode of a diode D9, the plus earth of diode D9; The negative electrode of diode D8 is well by the parallel branch ground connection of a resistance R 25 and a capacitor C 21.Such scheme makes to be subject to strong jamming or extraneous factor impact when switch self, causes when crashing or damaging, and fault automatic protection circuit cuts off power supply automatically, and better proof load is the electric weight of light yellow waste always not.
Further technical scheme is, also comprises switch contact automatic fire prevention flower and contact suction dead circuit; The input that dead circuit is inhaled in switch contact automatic fire prevention flower and contact is connected with load controller, and switch contact automatic fire prevention flower and contact inhale the output of dead circuit and the feedback input end of microcontroller is connected.
Further technical scheme is, described switch contact automatic fire prevention flower and contact are inhaled dead circuit and comprised resistance R 26, resistance R 27 and capacitor C 23; One end of resistance R 26 is connected with second switch contact of load controller, and the other end of resistance R 26 is connected to the feedback input end of microcontroller; One end of capacitor C 23 is connected to the feedback input end of microcontroller, and the other end of capacitor C 23 is connected with one end of resistance R 27, and the other end of resistance R 27 is connected to the feedback input end of microcontroller; Microcontroller also just triggers closed between two switch contacts of control load controller or disconnects during zero point for alternating current detected when feedback input end.When such scheme makes switch closure or disconnects, voltage is minimum, and then effectively solves contact because of current state unlatching or turn-off the phenomenon that causes contact damage, the useful life and the fail safe that have better extended switch.
Further technical scheme is that described power supply protection circuit comprises common-mode anti-interference circuit, lightning protection automatic protection circuit and overcurrent-overvoltage short circuit automatic protection circuit.
Further technical scheme is, described common-mode anti-interference circuit comprises common-mode inductor LF1, and described lightning protection automatic protection circuit comprises anti-thunder tube TVS1, and described overcurrent-overvoltage short circuit automatic protection circuit comprises resettable fuse PTC1; The first end of the first inductor LF1-A of described common-mode inductor LF1 is connected with live wire output, the second end of the first inductor LF1-A is connected with the first end of resettable fuse PTC1, and the second end of resettable fuse PTC1 is connected with second switch contact of load controller; The first end of the second inductor LF1-B of common-mode inductor LF1 is connected with live wire input, and the second end of the second inductor LF1-B is connected with first switch contact of load controller; The negative electrode of anti-thunder tube TVS1 is connected with first switch contact of load controller, the plus earth of anti-thunder tube TVS1.
Further technical scheme is, described single live wire series connection power-supply circuit comprises micro-power consumption pull-down module, diode D3, diode D2, capacitor C 19, capacitor C 20 and electrochemical capacitor C3, the input of micro-power consumption pull-down module is connected with the negative electrode of diode D3, and the anodic bonding of diode D3 is to second switch contact of load controller; The negative electrode of diode D3 is by capacitor C 19 ground connection; One end of capacitor C 20 is connected with first switch contact of load controller, the other end ground connection of capacitor C 20; The anodic bonding of the output of micro-power consumption pull-down module and diode D2, the anodic bonding of the negative electrode of diode D2 and electrochemical capacitor C3, the minus earth of electrochemical capacitor C3; The negative electrode of diode D2 is powered to power circuit as the output of single live wire series connection power-supply circuit;
The described power-supply circuit that maintains comprises transport and placing device Q7, transistor Q5, field effect transistor Q6, diode D4, diode D5, diode D6, voltage-stabiliser tube ZD2 and voltage-stabiliser tube ZD3; The second inductor LF1-B of described common-mode inductor LF1 is connected with first switch contact of load controller by field effect transistor Q6 particularly, wherein the drain electrode of field effect transistor Q6 is connected with first switch contact of load controller, the source electrode of field effect transistor Q6 is connected with the second end of the second inductor LF1-B, and the source electrode of field effect transistor Q6 is ground connection also; The drain electrode of field effect transistor Q6 also with the anodic bonding of diode D5, the negative electrode of diode D5 is by an electrochemical capacitor C9 ground connection; The negative electrode of diode D5 is connected with the negative electrode of voltage-stabiliser tube ZD3, and the anode of voltage-stabiliser tube ZD3 is connected with the positive input terminal of transport and placing device Q7; The positive input terminal of transport and placing device Q7 is also by the parallel branch ground connection of an electric capacity 12 and a resistance R 19; The negative input end of transport and placing device Q7 is connected with the collector electrode of transistor Q5 by a resistance R 6, the grounded emitter of transistor Q5, and the base stage of transistor Q5 is connected to the output of transport and placing device Q7 by a resistance R 11; The negative input end of transport and placing device Q7 is also connected with a DC power supply by a resistance R 15; The output of transport and placing device Q7 is connected with the grid of field effect transistor Q6 with the parallel branch of a resistance R 14 by a capacitor C 6; The grid of field effect transistor Q6 is the anodic bonding with voltage-stabiliser tube ZD2 by a resistance R 18 also, and the negative electrode of voltage-stabiliser tube ZD2 is connected with the negative electrode of voltage-stabiliser tube ZD3; The anodic bonding of the negative electrode of voltage-stabiliser tube ZD3 and diode D6, the negative electrode of diode D6 is connected with the positive power source terminal of transport and placing device Q7; The negative electrode of diode D6 also passes through an electrochemical capacitor C11 ground connection, the anodic bonding of the negative electrode of diode D6 and diode D4; The negative electrode of diode D4 is powered to power circuit as the output that maintains power-supply circuit, and the negative electrode of the negative electrode of diode D4 and diode D2 links together.
Preferably, also comprise anti-static protection circuit; This anti-static protection circuit is connected between contact panel and capacitance touching control circuit.
More preferably, also comprise circuit-breaking memory circuit, low power consumption standby wireless receiving module and luminous indicating lamp module; Circuit-breaking memory circuit, low power consumption standby wireless receiving module are connected with the input of microcontroller respectively; Luminous indicating lamp module is connected with the output of microcontroller.
The series connection of the single live wire of intelligence of the present invention touches wireless remote control switch on wall can effectively isolate contacting of forceful electric power and user's human body, the problem producing is controlled in solution in illumination, eliminate safe hidden trouble to greatest extent, and there are simple operation, safety and comfort, energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the single live wire series connection of the present invention's intelligence touches wireless remote control switch on wall.
Fig. 2 is that the single live wire series connection of the present invention's intelligence touches the capacitance touching control circuit of wireless remote control switch on wall and the circuit theory diagrams of anti-static protection circuit.
Fig. 3 is the circuit theory diagrams that dead circuit is inhaled in load controller, fault automatic protection circuit, switch contact automatic fire prevention flower and the contact of the single live wire series connection of the present invention's intelligence touch wireless remote control switch on wall.
Fig. 4 is the microcontroller circuit schematic diagram that the single live wire series connection of the present invention's intelligence touches wireless remote control switch on wall.
Fig. 5 is the circuit theory diagrams that the single live wire of the present invention's intelligence is connected and touched the load controller of wireless remote control switch on wall, single live wire series connection power-supply circuit, maintains power-supply circuit, power supply protection circuit.
Fig. 6 is the circuit theory diagrams that the single live wire series connection of the present invention's intelligence touches the power circuit of wireless remote control switch on wall.
Fig. 7 is that the single live wire series connection of the present invention's intelligence touches the low power consumption standby wireless receiving module of wireless remote control switch on wall, the circuit theory diagrams of circuit-breaking memory circuit.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1; the single live wire series connection of intelligence of the present invention touches wireless remote control switch on wall, comprises touch panel 1, capacitance touching control circuit 2, anti-static protection circuit 3, circuit-breaking memory circuit 4, low power consumption standby wireless receiving module 5, luminous indicating lamp module 6, microcontroller 7, load controller 8, fault automatic protection circuit 9, switch contact automatic fire prevention flower and contact suction dead circuit 10, single live wire series connection power-supply circuit 11, maintains power-supply circuit 12, power circuit 13, power supply protection circuit 14, live wire input 15 and live wire output 16.Wherein, touch panel 1 adopts pure flat ultrawhite toughened glass panel, and the panel that thickness is 4mm, effectively isolates electric energy.Touch panel 1 is connected with the input of capacitance touching control circuit 2, and user's touch operation is transferred to capacitance touching control circuit 2, by capacitance touching control circuit 2, operation is converted into control signal; Wherein, touch panel 1 is connected to capacitance touching control circuit 2 by anti-static protection circuit 3.
In the present embodiment, capacitance touching control circuit 2 is selected FTC334L chip and the peripheral resistance device (i.e. resistance R in figure 1, resistance R 4, resistance R 5, resistance R 17, capacitor C 17, capacitor C S1, capacitor C S2 and electrochemical capacitor C8) that holds thereof.Anti-static protection circuit 3 comprises diode D1, resistance R 3 and capacitor C 16; the first end of touch panel 1 contact resistance R3; the first end of resistance R 3 is also connected respectively to the negative electrode of diode D1 and the first end of capacitor C 16; the anodic bonding of diode D1 is to earth connection; the second end of capacitor C 16 is connected to earth connection; the second end of resistance R 3 is connected to the input (being the first pin of the FTC334L chip in the present embodiment) of capacitance touching control circuit 2, as shown in Figure 2.The output of capacitance touching control circuit 2 is connected to microcontroller 7.
In the present embodiment, it is the microcontroller chip of 8 and the peripheral circuit composition thereof of sn8p2511sop14 that microcontroller 7 is selected model, as shown in Figure 4.
The control output end of microcontroller 7 is connected with the controlled end 81 of load controller 8 by this fault automatic protection circuit 9; Particularly, the second end of load controller 8 coils is connected with the output of described fault automatic protection circuit 9.The control output end of described microcontroller 7 comprises frequency output pin and controls output pin (being the 8th pin and the 14 pin of Fig. 4 chips); Described fault automatic protection circuit 9 comprises transistor Q3, transistor Q8 and transistor Q9; The collector electrode of transistor Q8 is connected with the coil of siller tin oxide alloy contact relay as the output of fault automatic protection circuit 9; The emitter of transistor Q8 is connected with the collector electrode of transistor Q3; The grounded emitter of transistor Q3; The base stage of transistor Q3 is connected to the control output pin of microcontroller 7 by a resistance R 8, the base stage of transistor Q3 is also by resistance R 7 ground connection; The collector electrode of transistor Q8 is connected with the emitter of transistor Q9; The collector electrode of transistor Q9 is connected to a DC power supply (select according to actual needs power supply herein, select the 6.3V power supply being produced by power circuit 13 in the present embodiment) by a resistance R 10; The base stage of transistor Q9 is connected to the negative electrode of a diode D8 by a resistance R 13, the anode of diode D8 is connected to the frequency output pin of microcontroller 7 by a capacitor C 22; The anode of diode D8 is also connected with the negative electrode of a diode D9, the plus earth of diode D9; The negative electrode of diode D8 is well by the parallel branch ground connection of a resistance R 25 and a capacitor C 21.
When circuitry is working properly; a frequency of the frequency output pin of microcontroller 7 (i.e. the 8th pin) output is to capacitor C 22 one end (being the input of fault automatic protection circuit 9); the current rectifying and wave filtering circuit forming through diode D8, diode D9, capacitor C 21, resistance R 25; through resistance R 13, deliver to the protective circuit being formed by transistor Q8, transistor Q9, resistance R 10 again; make transistor Q8 normally lead energy, load controller 8 enters normal operating conditions.When circuit runs into fault, being directed at microcontroller 7 cannot work, and now, the 8th pin of microcontroller 7 cannot output frequency, makes the transistor Q8 cannot conducting, always from hardware, produces effect and has stoped the misoperation of load controller 8.Fault automatic protection circuit 9 in the present embodiment can depart from above-mentioned little electric current and maintain contact attraction circuit and implement separately, only need allow the coil of load controller 8 be directly connected to DC power supply; Also can depart from switch contact automatic fire prevention flower and contact inhales dead circuit 10 and implements separately.In addition, switch contact automatic fire prevention flower and contact suction dead circuit 10 also can be implemented separately, only microcontroller 7 originally need be directly connected to load controller 8 for the pin with fault automatic protection circuit 9.
Power supply protection circuit 14 is also connected with power circuit 13 by single live wire series connection power-supply circuit 11, and load controller 8 is also connected with power circuit 13 by maintaining power-supply circuit 12; Single live wire is connected power-supply circuit 11 for power circuit 13 being powered when load controller 8 disconnects, and maintains power-supply circuit 12 for power circuit 13 being powered when load control is closed.Particularly, as shown in Figure 5, described single live wire series connection power-supply circuit 11 comprises micro-power consumption pull-down module 110, diode D3, diode D2, capacitor C 19, capacitor C 20 and electrochemical capacitor C3, the input of micro-power consumption pull-down module 110 is connected with the negative electrode of diode D3, and the anodic bonding of diode D3 is to second switch contact 83 of load controller 8; The negative electrode of diode D3 is by capacitor C 19 ground connection; One end of capacitor C 20 is connected with first switch contact 82 of load controller 8, the other end ground connection of capacitor C 20; The anodic bonding of the output of micro-power consumption pull-down module 110 and diode D2, the anodic bonding of the negative electrode of diode D2 and electrochemical capacitor C3, the minus earth of electrochemical capacitor C3; The negative electrode of diode D2 is powered to power circuit 13 as the output of single live wire series connection power-supply circuit 11, and output is herein the 12V power supply that load controller mentioned above 8 connects; Wherein, to select model be DY10B-12 to micro-power consumption pull-down module 110.The switch of load controller 8 is when not closed, and by micro-power consumption pull-down module 110 power supplies, circuit working is at holding state, when opening, the switch contact of load controller 8 starts adhesive, and micro-power consumption pull-down module 110 is stopped power supply, and is switched to and after load is opened, maintains power-supply circuit 12 work.Effectively solved the problem of single live wire series-fed.
The described power-supply circuit 12 that maintains comprises transport and placing device Q7, transistor Q5, field effect transistor Q6, diode D4, diode D5, diode D6, voltage-stabiliser tube ZD2 and voltage-stabiliser tube ZD3; The second inductor LF1-B of described common-mode inductor LF1 is connected with first switch contact 82 of load controller 8 by field effect transistor Q6 particularly, wherein the drain electrode of field effect transistor Q6 is connected with first switch contact 82 of load controller 8, the source electrode of field effect transistor Q6 is connected with the second end of the second inductor LF1-B, and the source electrode of field effect transistor Q6 is ground connection also; The drain electrode of field effect transistor Q6 also with the anodic bonding of diode D5, the negative electrode of diode D5 is by an electrochemical capacitor C9 ground connection; The negative electrode of diode D5 is connected with the negative electrode of voltage-stabiliser tube ZD3, and the anode of voltage-stabiliser tube ZD3 is connected with the positive input terminal of transport and placing device Q7; The positive input terminal of transport and placing device Q7 is also by the parallel branch ground connection of an electric capacity 12 and a resistance R 19; The negative input end of transport and placing device Q7 is connected with the collector electrode of transistor Q5 by a resistance R 6, the grounded emitter of transistor Q5, and the base stage of transistor Q5 is connected to the output of transport and placing device Q7 by a resistance R 11; The negative input end of transport and placing device Q7 is also connected with a DC power supply by a resistance R 15; The output of transport and placing device Q7 is connected with the grid of field effect transistor Q6 with the parallel branch of a resistance R 14 by a capacitor C 6; The grid of field effect transistor Q6 is the anodic bonding with voltage-stabiliser tube ZD2 by a resistance R 18 also, and the negative electrode of voltage-stabiliser tube ZD2 is connected with the negative electrode of voltage-stabiliser tube ZD3; The anodic bonding of the negative electrode of voltage-stabiliser tube ZD3 and diode D6, the negative electrode of diode D6 is connected with the positive power source terminal of transport and placing device Q7; The negative electrode of diode D6 also passes through an electrochemical capacitor C11 ground connection, the anodic bonding of the negative electrode of diode D6 and diode D4; The negative electrode of diode D4 is powered to power circuit 13 as the output that maintains power-supply circuit 12, and the negative electrode of the negative electrode of diode D4 and diode D2 links together.When two switch electric shock adhesives of load controller 8, the input of micro-power consumption pull-down module 110 stops because of the closure of load controller 8, diode D5 by AC rectification after load controller 8 conductings through electrochemical capacitor C9 filtering, the alternating-current chopper circuit forming via transport and placing device Q7 and peripheral components thereof again, make the upper alternating voltage of field effect transistor Q6 enter copped wave work, produce the voltage of a 12V, through diode D6, after electrochemical capacitor C11 rectifying and wave-filtering, through diode D4, be connected on power circuit 13 again, resultfully guaranteed that switch in conducting simultaneously, also there are enough electric weight supply circuit maintenance works.
As shown in Figure 5, described power supply protection circuit 14 comprises common-mode anti-interference circuit 17, lightning protection automatic protection circuit 18 and overcurrent-overvoltage short circuit automatic protection circuit 19.Particularly, described common-mode anti-interference circuit 17 comprises common-mode inductor LF1, and described lightning protection automatic protection circuit 18 comprises anti-thunder tube TVS1, and described overcurrent-overvoltage short circuit automatic protection circuit 19 comprises resettable fuse PTC1; The first end of the first inductor LF1-A of described common-mode inductor LF1 is connected with live wire output 16, the second end of the first inductor LF1-A is connected with the first end of resettable fuse PTC1, and the second end of resettable fuse PTC1 is connected with second switch contact 83 of load controller 8; The first end of the second inductor LF1-B of common-mode inductor LF1 is connected with live wire input 15, and the second end of the second inductor LF1-B is connected with first switch contact 82 of load controller 8; The negative electrode of anti-thunder tube TVS1 is connected with first switch contact 82 of load controller 8, the plus earth of anti-thunder tube TVS1.Resettable fuse PTC1 can work as while there is overcurrent, overvoltage or line short in circuit and causes large electric current and automatically disconnect.When having thunder and lightning to seal in circuit, anti-thunder tube TVS1 instantaneous short circuit, effectively protection switch is not damaged.Common-mode inductor effectively suppresses external interference signal and enters switch, affects the stability of circuit, and the interference producing when can stop in the past switch adhesive or disconnecting seals in electrical network and interferes with other electronic equipment.
As shown in Figure 6, power circuit 13 is from single live wire series connection power-supply circuit 11 or maintain power-supply circuit 12 and obtain 12V voltage, generates the voltage of other magnitudes of voltage, for inner other circuit of microcontroller 7, capacitive touch control circuit and switch are powered.Particularly, described power circuit 13 comprises integrated regulator U1 and integrated regulator U2, and wherein integrated regulator U1 is 6.3V, and integrated regulator U2 is 3.3V.12V power supply is connected with the input of integrated regulator U1 by a resistance R 16, and the input of integrated regulator U1 is also by capacitor C 4 ground connection.The output of integrated regulator U1 is 6.3V DC power supply, can be used for splitting the power supply of closing internal components.The output of integrated regulator U1 is also connected to the input of integrated regulator U2; The input of integrated regulator U2 is by the parallel branch ground connection of a capacitor C 7 and an electrochemical capacitor C2.The ground end of integrated regulator U1 is connected with the output of integrated regulator U2, and the output of integrated regulator U2 also passes through capacitor C 8 ground connection, the ground end ground connection of integrated regulator U2.The output of integrated regulator U2 is 3.3V DC power supply, can be used for splitting the power supply of closing internal components.
Circuit-breaking memory circuit 4, low power consumption standby wireless receiving module 5 are connected with the input of microcontroller 7 respectively; Luminous indicating lamp module 6 is connected with the output of microcontroller 7.Wherein, low power consumption standby wireless receiving module 5 is adopted as the superhet Receiver Module of 433MHz, is controlled the power supply of acceptance division by microcontroller 7, carries out discontinuity work, effectively reduces the energy consumption of complete machine standby.While having solved energy saving electronic load or low-power LED lamp and ceiling light, under the state of load, there will be cold flashing to resemble or out of control closing, badly influence and use and life-span of load, even damage the problem of load.Circuit-breaking memory circuit 4 selects 24C01 chip and peripheral circuit thereof to form, as shown in Figure 7.Luminous indicating lamp module 6 preferably includes lamp pearl LED1, resistance R 20, resistance R 12, transistor Q4 and resistance R 9; The base stage of transistor Q4 is connected to the output (being the first pin of microcontroller 7 chips in the present embodiment) of microcontroller 7 by resistance R 9; The emitter of transistor Q4 is connected to earth connection, and the collector electrode of transistor Q4 is connected with the negative electrode of lamp pearl LED1; Resistance R 12 is connected between the emitter and collector electrode of transistor Q4; The anode of lamp pearl LED1 is connected to the 6.3V power end of power circuit 13 by resistance R 20, also can be connected to other voltage ends according to actual needs.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. intelligent single live wire series connection touches wireless remote control switch on wall, it is characterized in that: comprise touch panel, capacitance touching control circuit, microcontroller, load controller, single live wire series connection power-supply circuit, maintain power-supply circuit, power circuit, power supply protection circuit, live wire input and live wire output; Touch panel is connected with the input of capacitance touching control circuit, and the output of capacitance touching control circuit is connected to microcontroller; Load controller is provided with controlled end and two switch contacts; The control output end of microcontroller is connected with the controlled end of load controller; Live wire input is connected to first switch contact of load controller by power supply protection circuit, second switch contact of load controller is connected to live wire output by power supply protection circuit, and load controller is for making closed between two switch contacts or disconnecting according to the signal of microprocessor controls output; Power supply protection circuit is also connected with power circuit by single live wire series connection power-supply circuit, and load controller is also connected with power circuit by maintaining power-supply circuit; Single live wire series connection power-supply circuit, for power circuit being powered when load controller disconnects, maintains power-supply circuit for power circuit being powered when closure is controlled in load; Power circuit is used for microcontroller and capacitance touching control circuit supply.
2. the single live wire series connection of intelligence according to claim 1 touches wireless remote control switch on wall, it is characterized in that: also comprise fault automatic protection circuit; The control output end of microcontroller is connected with the controlled end of load controller by this fault automatic protection circuit.
3. the single live wire series connection of intelligence according to claim 2 touches wireless remote control switch on wall, it is characterized in that: the controlled end of described load controller is provided with two controlled pins; One of them controlled pin of load controller is connected to a DC power supply, and another controlled pin of load controller is connected with the output of described fault automatic protection circuit; The control output end of described microcontroller comprises frequency output pin and controls output pin; Described fault automatic protection circuit comprises transistor Q3, transistor Q8 and transistor Q9; The collector electrode of transistor Q8 is connected with the coil of siller tin oxide alloy contact relay as the output of fault automatic protection circuit; The emitter of transistor Q8 is connected with the collector electrode of transistor Q3; The grounded emitter of transistor Q3; The base stage of transistor Q3 is connected to the control output pin of microcontroller by a resistance R 8, the base stage of transistor Q3 is also by resistance R 7 ground connection; The collector electrode of transistor Q8 is connected with the emitter of transistor Q9; The collector electrode of transistor Q9 is connected to a DC power supply by a resistance R 10; The base stage of transistor Q9 is connected to the negative electrode of a diode D8 by a resistance R 13, the anode of diode D8 is connected to the frequency output pin of microcontroller by a capacitor C 22; The anode of diode D8 is also connected with the negative electrode of a diode D9, the plus earth of diode D9; The negative electrode of diode D8 is well by the parallel branch ground connection of a resistance R 25 and a capacitor C 21.
4. the single live wire series connection of intelligence according to claim 1 touches wireless remote control switch on wall, it is characterized in that: also comprise switch contact automatic fire prevention flower and contact suction dead circuit; The input that dead circuit is inhaled in switch contact automatic fire prevention flower and contact is connected with load controller, and switch contact automatic fire prevention flower and contact inhale the output of dead circuit and the feedback input end of microcontroller is connected.
5. the single live wire series connection of intelligence according to claim 4 touches wireless remote control switch on wall, it is characterized in that: described switch contact automatic fire prevention flower and contact are inhaled dead circuit and comprised resistance R 26, resistance R 27 and capacitor C 23; One end of resistance R 26 is connected with second switch contact of load controller, and the other end of resistance R 26 is connected to the feedback input end of microcontroller; One end of capacitor C 23 is connected to the feedback input end of microcontroller, and the other end of capacitor C 23 is connected with one end of resistance R 27, and the other end of resistance R 27 is connected to the feedback input end of microcontroller; Microcontroller also just triggers closed between two switch contacts of control load controller or disconnects during zero point for alternating current detected when feedback input end.
6. the single live wire series connection of intelligence according to claim 1 touches wireless remote control switch on wall, it is characterized in that: described power supply protection circuit comprises common-mode anti-interference circuit, lightning protection automatic protection circuit and overcurrent-overvoltage short circuit automatic protection circuit.
7. the single live wire series connection of intelligence according to claim 6 touches wireless remote control switch on wall, it is characterized in that: described common-mode anti-interference circuit comprises common-mode inductor LF1, described lightning protection automatic protection circuit comprises anti-thunder tube TVS1, and described overcurrent-overvoltage short circuit automatic protection circuit comprises resettable fuse PTC1; The first end of the first inductor LF1-A of described common-mode inductor LF1 is connected with live wire output, the second end of the first inductor LF1-A is connected with the first end of resettable fuse PTC1, and the second end of resettable fuse PTC1 is connected with second switch contact of load controller; The first end of the second inductor LF1-B of common-mode inductor LF1 is connected with live wire input, and the second end of the second inductor LF1-B is connected with first switch contact of load controller; The negative electrode of anti-thunder tube TVS1 is connected with first switch contact of load controller, the plus earth of anti-thunder tube TVS1.
8. the single live wire series connection of intelligence according to claim 7 touches wireless remote control switch on wall, it is characterized in that: described single live wire series connection power-supply circuit comprises micro-power consumption pull-down module, diode D3, diode D2, capacitor C 19, capacitor C 20 and electrochemical capacitor C3, the input of micro-power consumption pull-down module is connected with the negative electrode of diode D3, and the anodic bonding of diode D3 is to second switch contact of load controller; The negative electrode of diode D3 is by capacitor C 19 ground connection; One end of capacitor C 20 is connected with first switch contact of load controller, the other end ground connection of capacitor C 20; The anodic bonding of the output of micro-power consumption pull-down module and diode D2, the anodic bonding of the negative electrode of diode D2 and electrochemical capacitor C3, the minus earth of electrochemical capacitor C3; The negative electrode of diode D2 is powered to power circuit as the output of single live wire series connection power-supply circuit;
The described power-supply circuit that maintains comprises transport and placing device Q7, transistor Q5, field effect transistor Q6, diode D4, diode D5, diode D6, voltage-stabiliser tube ZD2 and voltage-stabiliser tube ZD3; The second inductor LF1-B of described common-mode inductor LF1 is connected with first switch contact of load controller by field effect transistor Q6 particularly, wherein the drain electrode of field effect transistor Q6 is connected with first switch contact of load controller, the source electrode of field effect transistor Q6 is connected with the second end of the second inductor LF1-B, and the source electrode of field effect transistor Q6 is ground connection also; The drain electrode of field effect transistor Q6 also with the anodic bonding of diode D5, the negative electrode of diode D5 is by an electrochemical capacitor C9 ground connection; The negative electrode of diode D5 is connected with the negative electrode of voltage-stabiliser tube ZD3, and the anode of voltage-stabiliser tube ZD3 is connected with the positive input terminal of transport and placing device Q7; The positive input terminal of transport and placing device Q7 is also by the parallel branch ground connection of an electric capacity 12 and a resistance R 19; The negative input end of transport and placing device Q7 is connected with the collector electrode of transistor Q5 by a resistance R 6, the grounded emitter of transistor Q5, and the base stage of transistor Q5 is connected to the output of transport and placing device Q7 by a resistance R 11; The negative input end of transport and placing device Q7 is also connected with a DC power supply by a resistance R 15; The output of transport and placing device Q7 is connected with the grid of field effect transistor Q6 with the parallel branch of a resistance R 14 by a capacitor C 6; The grid of field effect transistor Q6 is the anodic bonding with voltage-stabiliser tube ZD2 by a resistance R 18 also, and the negative electrode of voltage-stabiliser tube ZD2 is connected with the negative electrode of voltage-stabiliser tube ZD3; The anodic bonding of the negative electrode of voltage-stabiliser tube ZD3 and diode D6, the negative electrode of diode D6 is connected with the positive power source terminal of transport and placing device Q7; The negative electrode of diode D6 also passes through an electrochemical capacitor C11 ground connection, the anodic bonding of the negative electrode of diode D6 and diode D4; The negative electrode of diode D4 is powered to power circuit as the output that maintains power-supply circuit, and the negative electrode of the negative electrode of diode D4 and diode D2 links together.
9. the single live wire series connection of intelligence according to claim 1 touches wireless remote control switch on wall, it is characterized in that: also comprise anti-static protection circuit; This anti-static protection circuit is connected between contact panel and capacitance touching control circuit.
10. the single live wire series connection of intelligence according to claim 1 touches wireless remote control switch on wall, it is characterized in that: also comprise circuit-breaking memory circuit, low power consumption standby wireless receiving module and luminous indicating lamp module; Circuit-breaking memory circuit, low power consumption standby wireless receiving module are connected with the input of microcontroller respectively; Luminous indicating lamp module is connected with the output of microcontroller.
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| CN201410024887.8A CN103747592B (en) | 2014-01-20 | 2014-01-20 | Intelligent single live wire serial connection touch wireless remote control switch on wall |
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| CN201410024887.8A CN103747592B (en) | 2014-01-20 | 2014-01-20 | Intelligent single live wire serial connection touch wireless remote control switch on wall |
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| CN108282942A (en) * | 2017-12-29 | 2018-07-13 | 深圳市创荣发电子有限公司 | The circuit-breaking memory circuit of lamps and lanterns |
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| CN114124055A (en) * | 2022-01-21 | 2022-03-01 | 刘冰冰 | Single-live-wire micro-power-consumption WIFI wall switch circuit |
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| CN103747592B (en) | 2016-03-02 |
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