CN105759684A - Power-off automatic-starting-preventing infrared induction intelligent switch controlled by single-chip microcomputer - Google Patents
Power-off automatic-starting-preventing infrared induction intelligent switch controlled by single-chip microcomputer Download PDFInfo
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- CN105759684A CN105759684A CN201610088427.0A CN201610088427A CN105759684A CN 105759684 A CN105759684 A CN 105759684A CN 201610088427 A CN201610088427 A CN 201610088427A CN 105759684 A CN105759684 A CN 105759684A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25341—Single chip programmable controller
Abstract
The invention discloses a power-off automatic-starting-preventing infrared induction intelligent switch controlled by a single-chip microcomputer. The switch comprises a power supply module, a touch switch module, an infrared induction switch module, a single-chip microcomputer central processing module and a relay control module. The main connection is that the power supply module supplies power to all the modules; the infrared induction module, the touch switch module and the relay control module are connected with the I/O port of the single-chip microcomputer so as to realize control of a load circuit; and the power supply module includes a voltage stabilizing module and a power-off automatic-starting-preventing module, and the power-off automatic-starting-preventing module is composed of a charge and discharge circuit and a rechargeable battery and supplies stable power to the infrared induction switch module when power is off. The switch can realize connection and disconnection through touching and automatic starting through human body induction under the condition of weak light, the switch is turned off in a delayed way under the state of no movement of people, and the switch can also prevent waste of electric energy due to the fact that the switch is in the connected state when power is on after power outage. The intelligent switch can be applied to a lighting circuit and is also practical for a part of household electrical appliances.
Description
Technical field
The invention belongs to Intelligent housing energy conserving system, anti-from opening infrared induction intelligent switch by monolithic processor controlled power failure specifically to one.
Background technology
In daily life, switch is seen everywhere, and substantially the electrical equipment of every kind of electricity consumption is required at least one switch and controls, and allows people oneself can control the use state of electrical equipment.But in so Multi-Switch, great majority switch is all traditional mechanical switch, need staff directly to press and could realize effective break-make, also not a duck soup is pressed sometimes for some action inconvenient people, or the people having a bad memory usually forgets that closing swap switch causes not little waste, also has these mechanical switchs not have memory function, if forgetting to close swap switch after power failure, may proceed to remain on during incoming call next time, certain energy loss and waste can be caused.In more and more intelligentized modern society, such switch cannot meet people's demand, and people need the power down switch of the automatization more of sensing.
In order to solve this problem, we have devised a kind of anti-infrared induction intelligent switch certainly opened that has a power failure.This switch can realize touch cut-off with low light condition under automatically turned on by human body sensing, time-delay closing under unmanned active state；There is switch when again sending a telegram here after preventing power failure and be in the function of opening waste electric energy.Applying simple singlechip technology and infrared induction technology, it is achieved low cost, simply the switch of intelligence, significant to the development of Smart Home.
Summary of the invention
A kind of anti-from opening infrared induction intelligent switch by monolithic processor controlled power failure.
The present invention adopts below scheme to realize: a kind of anti-from opening infrared induction intelligent switch by monolithic processor controlled power failure；Including power module, soft-touch control module, infrared sensing switch module, single-chip microcomputer central processing module and relay control module；It is characterized in that: power module connects soft-touch control module and infrared sensing switch module, soft-touch control module and infrared sensing switch module and connects single-chip microcomputer central processing module, single-chip microcomputer central processing module connects relay control module；Power module includes a Voltage stabilizing module and an anti-module that certainly opens of power failure, and Voltage stabilizing module prevents that with power failure certainly opening block coupled in series is connected, and has a power failure and prevents that certainly opening module is made up of charge-discharge circuit and rechargeable battery；Infrared induction module is containing pyroelectricity 1 and 2 two modules of pyroelectricity, and pyroelectricity 1 includes photoconductive resistance；Switch cut-off control model containing three kinds: soft-touch control control model, pyroelectricity 1 control model containing photoconductive resistance and soft-touch control and pyroelectricity 2 combine control model.Voltage stabilizing module output VCC is that soft-touch control module, single-chip microcomputer central processing module and relay control module are powered, having a power failure anti-is infrared induction module for power supply from opening module output VCC2, stabilized power source is provided for infrared sensing switch module, it is achieved have a power failure anti-from opening function when having a power failure；Infrared sensing switch module, soft-touch control module and relay control module are connected with the I/O mouth of single-chip microcomputer respectively.
Described power module includes a Voltage stabilizing module and an anti-module that certainly opens of power failure, and Voltage stabilizing module prevents that with power failure certainly opening block coupled in series is connected, and has a power failure and prevents that certainly opening module is made up of charge-discharge circuit and rechargeable battery.Wherein charge-discharge circuit is by D5, D6 diode, D7 Zener diode, R3, R4 resistance and a rechargeable battery composition.D5, D6 positive pole is simultaneously connected to the positive terminal VCC of Voltage stabilizing module output, D5, D6 negative pole is connected with resistance R3 two ends respectively, D5 negative pole receives resistance R4 one end simultaneously, another termination D7 Zener diode negative pole of R4, a D7 Zener diode two ends rechargeable battery in parallel, it is anti-from opening module outfan VCC2 that D6 negative pole connects power failure.Voltage stabilizing module is by mains transformer T1, bridge rectifier D1～D4, filter capacitor C1, C3, it is prevented that self-excitation capacitance C2, C3 and a fixed three terminal regulator LM7805CK composition.220V electric main is transformed into AC low-tension 9V power supply by mains transformer, filtering then through the rectification of bridge rectifier D1～D4 and filter capacitor C1, not sufficiently stable DC voltage, the 5V VD that filtering just creates precision height at the outfan VCC of regulated power supply, degree of stability is good of the voltage stabilizing through LM7805CK of this DC voltage and C3 is formed at Vin and the GND two ends of fixed three terminal regulator LM7805CK.Voltage stabilizing module outfan VCC connects the power end VCC of soft-touch control module, single-chip microcomputer central processing module and relay control module, has a power failure anti-from the power end VCC2 opening module outfan VCC2 2 infrared induction modules of connection.This power module can provide stable power supply for the modules of this system, and have a power failure anti-can provide continual and steady power supply when having a power failure suddenly for infrared sensing switch module from opening power module simultaneously, eliminates the useful signal that infrared induction module retains.
Described soft-touch control module is by NE555 chip, C6, C7 electric capacity, resistance R5 and sheet metal composition.C6 is connected in parallel between 1 foot of NE555 chip and 5 feet, and C7 is connected in parallel between 1 foot of NE555 chip and 6 feet, and R5 is connected in parallel between 7 feet of NE555 chip and 8 feet, sheet metal is connected on 2 feet of NE555 chip, 4,8 pins are connected, and 6,7 pins are connected, and 3 feet connect single-chip microcomputer P0.2 pin.At ordinary times due to the non-inductive voltage of touch sheet, electric capacity C7 passes through NE555 the 7th foot discharge off, and 3 feet are output as low level；When hands touches sheet metal, 2 feet pass through human body resistance ground connection, current potential step-down, 3 foot output high level, power supply is charged to C7 by R5, when electric capacity C7 powers on and presses rise to supply voltage 2/3, the conducting of NE555 the 7th foot makes C7 discharge, and makes the 3rd foot output be changed back to low level by high level.This module can realize staff and often touch sheet metal and once just trigger a high level and be input to single-chip microcomputer, and single-chip microcomputer passes through internal processes, often receives a high level signal, just puts instead by the output signal of single-chip microcomputer, it is achieved manual palpation control switch on and off.
Described infrared induction module is made up of pyroelectricity 1 and 2 two human body infrared induction modules of pyroelectricity.This pyroelectricity is HC-SR501 pyroelectric infrared-sensing module, repeatable triggering.Pyroelectricity 1 includes light-inductive, 1,3 termination DC sources, 2 ends receive single-chip microcomputer P0.0 port, the 1 of pyroelectricity 2,3 ports connect DC source, 2 ends receive single-chip microcomputer P0.1 port.Pyroelectricity 1 is connected with single-chip microcomputer, can realize when the low light level has a people switch from opening by programme-control, people leave after the control model that automatically disconnects of switch；Pyroelectricity 2 and soft-touch control block combiner, can realize people by Single-chip Controlling and touch soft-touch control sheet metal turn on-switch, and people disconnects the control model of switch automatically after leaving.This pyroelectricity module is repeatable triggering, and namely after sensing output high level, in delay time section, if there being human body movable at its induction range, its output will be always maintained at high level, and after leaving until people, just high level is become low level by time delay.Induction module detects one high level of output after the activity each time of human body, and this high level can be postponed a delay time section automatically, and with the last movable time be delay time starting point.Due to the starting point that this pyroelectricity module is delay time with the last movable time, if and this delay time section does not terminate when unexpected power-off, then can be postponed during incoming call next time this delay time section, cause incoming call and nobody time pyroelectricity be output as high level, cause that switch automatically turns on and cause energy waste, even there is potential danger.But it is anti-from opening module by the power failure in above-mentioned power module, when having a power failure, this module is carried out continued power pyroelectricity can be made not have the situation of unexpected power-off by internal cell, namely outage is worked as, pyroelectricity module is because of non-power-off, can work on, after people leaves, after the time delays a bit of time (this time can be manually set) that pyroelectricity module is movable the last time, automatically high level is become low level, if hereafter incoming call and nobody time, switch will not false triggering, be constantly in off-state, play power failure anti-self-priming.
Described single-chip microcomputer central processing module is mainly made up of crystal oscillating circuit, reset circuit and single-chip microcomputer.A high-gain inverting amplifier is had inside MCS-51 single-chip microcomputer, pin XTAL1 and XTAL2 is input and the outfan of this amplifier respectively, crystal oscillating circuit is made up of crystal oscillator Y1 and electric capacity C9, C10, frequency is had fine setting effect by two electric capacity, and the frequency range of crystal oscillator resonator can select between 1.2MHz～12MHz.In order to reduce parasitic capacitance, better ensuring that oscillator stabilization, reliably work, agitator and electric capacity should be mounted so as to close with single-chip microcomputer pin XTALl and XTAL2 as far as possible.Reset circuit is made up of C5, R1, R2 and button, when powering on, switches on power, and capacitor C5 is equivalent to instantaneous short circuit, and+5V is added to RST end, and this high level makes 8052 full machines reset.If in running, it is necessary to from the beginning program performs, only need button press S, then directly+5V is added to RST end, thus resetting.
Described relay control module is made up of relay J and audion Q1.Audion Q1 base stage connects single-chip microcomputer P1.0 pin, collector connecting relay J normally closed interlock one end, grounded emitter, another termination positive source of relay J normally closed interlock.When the high level of the single-chip microcomputer P1.0 that the base stage of Q1 receives, transistor emitter turns on, and relay is switched to circuit, triggers normally opened contact Guan Bi, connects load circuit.Realize the effective control to load circuit.Soft-touch control control model, pyroelectricity 1 control model containing photoconductive resistance and soft-touch control and pyroelectricity 2 combine control model.
Beneficial effects of the present invention: control circuit that (1) system is made up of 80C52 single-chip microcomputer, infrared sensor etc. and system program, it is possible to complete comparatively intelligentized switch, thus controlling all types of daily electric equipment, it is achieved various predetermined functions.Facilitate daily life, also reduce energy consumption, decrease carbon emission, protect environment.(2) this system structure is simple, it is easy to make, less costly, the intelligent switch of those complexity on relative market, also allows for installing.(3) adopt soft-touch control control model, it is possible to cut-off circuit at any time, and mechanical switch has equivalent action, but more durable in use than mechanical switch, and reliability and sensitivity higher.(4) adopt pyroelectricity 1 control model containing photoconductive resistance, the low light level can be realized from opening, the switch automatization of unmanned power-off, it is not necessary to manual control (5) adopts soft-touch control and pyroelectricity 2 to combine control model.When light needs more by force and artificially to open, touching switch can be manually pressed by, then open, and under having people's situation, remain that opening, people are walked the rear time delay a bit of time and be automatically switched off after loosing one's grip.(6) there is power failure anti-from opening function.When a switch is on, in case of having a power failure, it can be ensured that incoming call and nobody time, switch off, play safety utilization of electric power, save the effect of the energy.
Accompanying drawing explanation
Fig. 1 is the overall system architecture block diagram of the present invention.
Fig. 2 is power module circuitry figure of the present invention.
Fig. 3 is that the present invention touches switch module circuit diagram.
Fig. 4 is infrared sensing switch module circuit diagram of the present invention.
Fig. 5 is single-chip microcomputer central processing module circuit diagram of the present invention.
Fig. 6 is that invention relay controls module circuit diagram.
Fig. 7 is present system principle way circuit figure.
Fig. 8 is outside drawing of the present invention.
In figure: 1, power module, 2, infrared sensing switch module, 3, single-chip microcomputer central processing module, 4, relay control module, 5, soft-touch control module, 6, pyroelectricity A, 7, pyroelectricity B, 8, switch panel, 9, soft-touch control sheet metal.
Detailed description of the invention
In order to make it easy to understand, embodiments of the present invention are further elucidated with below in conjunction with accompanying drawing.
Below in conjunction with accompanying drawing, the structure of the present invention, operation principle and work process are described in detail:
Overall system architecture as shown in Figure 1, mainly includes power module (1), soft-touch control module (5), infrared sensing switch module (2), single-chip microcomputer central processing module (3) and relay control module (4)；It is characterized in that: power module (1) includes a Voltage stabilizing module and an anti-module that certainly opens of power failure, and Voltage stabilizing module prevents that with power failure certainly opening block coupled in series is connected, and has a power failure and prevents that certainly opening module is made up of charge-discharge circuit and rechargeable battery；Infrared induction module is containing pyroelectricity A(6) and pyroelectricity B(7) two modules, pyroelectricity A includes photoconductive resistance；Switch cut-off control model containing three kinds: soft-touch control control model, pyroelectricity A control model containing photoconductive resistance and soft-touch control and pyroelectricity B combination control model.Voltage stabilizing module output VCC connects the power end of soft-touch control module 5, single-chip microcomputer central processing module 3 and relay control module 4, have a power failure the anti-VCC2 from the pyroelectricity A opened in module output VCC2 connection infrared induction module 2 and pyroelectricity B, stabilized power source is provided for infrared sensing switch module, it is achieved have a power failure anti-from opening function when having a power failure；The outfan of the pyroelectricity A and pyroelectricity B of infrared sensing switch module 2 connects P0.0 and the P0.1 port of single-chip microcomputer U1 respectively, the outfan of soft-touch control module 5 connects the P0.2 port of single-chip microcomputer U1, and relay control module 4 connects the P1.0 port of single-chip microcomputer U1.
As in figure 2 it is shown, described power module (1) includes a Voltage stabilizing module and an anti-module that certainly opens of power failure, Voltage stabilizing module prevents that with power failure certainly opening block coupled in series is connected, and has a power failure and prevents that certainly opening module is made up of charge-discharge circuit and rechargeable battery.Wherein charge-discharge circuit is by D5, D6 diode, D7 Zener diode, R3, R4 resistance and a rechargeable battery composition.D5, D6 positive pole is simultaneously connected to the positive terminal VCC of Voltage stabilizing module output, D5, D6 negative pole is connected with resistance R3 two ends respectively, D5 negative pole receives resistance R4 one end simultaneously, another termination D7 Zener diode negative pole of R4, a D7 Zener diode two ends rechargeable battery in parallel, it is anti-from opening module outfan VCC2 that D6 negative pole connects power failure.Voltage stabilizing module is by mains transformer T1, bridge rectifier D1～D4, filter capacitor C1, C3, it is prevented that self-excitation capacitance C2, C3 and a fixed three terminal regulator LM7805CK composition.220V electric main is transformed into AC low-tension 9V power supply by mains transformer, filtering then through the rectification of bridge rectifier D1～D4 and filter capacitor C1, not sufficiently stable DC voltage, the 5V VD that filtering just creates precision height at the outfan VCC of regulated power supply, degree of stability is good of the voltage stabilizing through LM7805CK of this DC voltage and C3 is formed at Vin and the GND two ends of fixed three terminal regulator LM7805CK.Voltage stabilizing module outfan VCC connects the power end VCC of soft-touch control module, single-chip microcomputer central processing module and relay control module, has a power failure anti-from the power end VCC2 opening module outfan VCC2 2 infrared induction modules of connection.This power module can provide stable power supply for the modules of this system, and rechargeable battery can provide continual and steady power supply when having a power failure suddenly for infrared sensing switch module simultaneously, eliminates the useful signal that infrared induction module retains.
As it is shown on figure 3, described soft-touch control module (5) is by NE555 chip, C6, C7 electric capacity, resistance R5 and sheet metal (9) composition.C6 is connected in parallel between 1 foot of NE555 chip and 5 feet, and C7 is connected in parallel between 1 foot of NE555 chip and 6 feet, and R5 is connected in parallel between 7 feet of NE555 chip and 8 feet, sheet metal (9) is connected on 2 feet of NE555 chip, 4,8 pins are connected, and 6,7 pins are connected, and 3 feet connect single-chip microcomputer P0.2 pin.At ordinary times due to the non-inductive voltage of touch sheet, electric capacity C7 passes through NE555 the 7th foot discharge off, and 3 feet are output as low level；When hands touches sheet metal (9), 2 feet pass through human body resistance ground connection, current potential step-down, 3 foot output high level, power supply is charged to C7 by R5, when electric capacity C7 powers on and presses rise to supply voltage 2/3, the conducting of NE555 the 7th foot makes C7 discharge, and makes the 3rd foot output be changed back to low level by high level.This module can realize staff and often touch sheet metal (9) and once just trigger a high level and be input to single-chip microcomputer U1, single-chip microcomputer U1 passes through internal processes, often receive a high level signal, just the output signal of single-chip microcomputer U1 is put instead, it is achieved manual palpation controls switch on and off.
As shown in Figure 4, described infrared induction module is by pyroelectricity A(6) and pyroelectricity B(7) two human body infrared induction modules form.This pyroelectricity is HC-SR501 pyroelectric infrared-sensing module, repeatable triggering.Pyroelectricity A includes light-inductive, 1,3 termination DC sources, 2 ends receive single-chip microcomputer P0.0 port, the 1 of pyroelectricity B, 3 ports connect DC source, 2 ends receive single-chip microcomputer P0.1 port.Pyroelectricity A is connected with single-chip microcomputer, can realize when the low light level has a people switch from opening by programme-control, people leave after the control model that automatically disconnects of switch；Pyroelectricity B and soft-touch control block combiner, can realize people by Single-chip Controlling and touch soft-touch control sheet metal turn on-switch, and people disconnects the control model of switch automatically after leaving.This pyroelectricity module is repeatable triggering, and namely after sensing output high level, in delay time section, if there being human body movable at its induction range, its output will be always maintained at high level, and after leaving until people, just high level is become low level by time delay.Induction module detects one high level of output after the activity each time of human body, and this high level can be postponed a delay time section automatically, and with the last movable time be delay time starting point.Due to the starting point that this pyroelectricity module is delay time with the last movable time, if and this delay time section does not terminate when unexpected power-off, then can be postponed during incoming call next time this delay time section, cause incoming call and nobody time pyroelectricity be output as high level, cause that switch automatically turns on and cause energy waste, even there is potential danger.But it is anti-from opening module by the power failure in above-mentioned power module (1), when having a power failure, this module is carried out continued power pyroelectricity can be made not have the situation of unexpected power-off by internal cell, namely outage is worked as, pyroelectricity module is because of non-power-off, can work on, after people leaves, after the time delays a bit of time (this time can be manually set) that pyroelectricity module is movable the last time, automatically high level is become low level, if hereafter incoming call and nobody time, switch will not false triggering, be constantly in off-state, play power failure anti-self-priming.
As it is shown in figure 5, described single-chip microcomputer central processing module (3) is mainly made up of crystal oscillating circuit, reset circuit and single-chip microcomputer U1.A high-gain inverting amplifier is had inside MCS-51 single-chip microcomputer, pin XTAL1 and XTAL2 is input and the outfan of this amplifier respectively, crystal oscillating circuit is made up of crystal oscillator Y1 and electric capacity C9, C10, frequency is had fine setting effect by two electric capacity, and the frequency range of crystal oscillator resonator can select between 1.2MHz～12MHz.In order to reduce parasitic capacitance, better ensuring that oscillator stabilization, reliably work, agitator and electric capacity should be mounted so as to close with single-chip microcomputer pin XTALl and XTAL2 as far as possible.Reset circuit is made up of C5, R1, R2 and button, when powering on, switches on power, and capacitor C5 is equivalent to instantaneous short circuit, and+5V is added to RST end, and this high level makes 8052 full machines reset.If in running, it is necessary to from the beginning program performs, only need button press S, then directly+5V is added to RST end, thus resetting.
As shown in Figure 6, described relay control module (4) is made up of relay J and audion Q1.Audion Q1 base stage connects the P1.0 pin of single-chip microcomputer U1, collector connecting relay J normally closed interlock one end, grounded emitter, another termination positive source of relay J normally closed interlock.When the high level of the single-chip microcomputer P1.0 that the base stage of Q1 receives, audion Q1 emitter stage turns on, and relay J is switched to circuit, triggers normally opened contact Guan Bi, connects load circuit.Realize the effective control to load circuit.
As it is shown in fig. 7, always scheme for present system principle.It is that modules is powered that civil power is converted to 5V low-tension supply by power module (1) by civil power, pyroelectricity A(6), pyroelectricity B(7) and the signal output part of touching switch be separately input to the P0.0 of single-chip microcomputer U1, P0.1 and P0.2 end, exported by program control signal, export signal control relay from P1.0 and control module (4)
As shown in Figure 8, for outside drawing of the present invention, have pyroelectricity A(6) and pyroelectricity B(7) and soft-touch control sheet metal (9) be embedded in panel (8) and form above.
The specifically used step of this intelligent switch is as follows:
1. under high light state, people is non-inductive through inductive switching district, needs to open when thinking, the sheet metal of tangible soft-touch control, opens switch, again touches sheet metal and then switches off；When not touching sheet metal and disconnecting switch, people is gone for a season and also can automatically disconnect switch.
2. under low light level state, there is sensing people's access switch induction zone, and switch automatically turns on, and human body remains unlatching shape body in scope, and people leaves rear a period of time and automatically disconnects switch, it is not necessary to people's hand control.
3. in case of having a power failure under switch connection state, state reset any before switch is off-state by internal battery, and next time, incoming call was off state all the time, played safety utilization of electric power, saved the effect of the energy..
It is emphasized that: be only presently preferred embodiments of the present invention above, not the present invention is done any pro forma restriction, every any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, all still falls within the scope of technical solution of the present invention.
Claims (4)
1. one kind is opened infrared induction intelligent switch certainly by monolithic processor controlled power failure is anti-；Including power module, soft-touch control module, infrared sensing switch module, single-chip microcomputer central processing module and relay control module；It is characterized in that: power module connects soft-touch control module and infrared sensing switch module, soft-touch control module and infrared sensing switch module and connects single-chip microcomputer central processing module, single-chip microcomputer central processing module connects relay control module；Power module includes a Voltage stabilizing module and an anti-module that certainly opens of power failure, and Voltage stabilizing module prevents that with power failure certainly opening block coupled in series is connected, and has a power failure and prevents that certainly opening module is made up of charge-discharge circuit and rechargeable battery；Infrared induction module is containing pyroelectricity A and two modules of pyroelectricity B, and pyroelectricity A includes photoconductive resistance；Switch cut-off control model containing three kinds: soft-touch control control model, pyroelectricity A control model containing photoconductive resistance and soft-touch control and pyroelectricity B combination control model；Voltage stabilizing module output VCC is that soft-touch control module, single-chip microcomputer central processing module and relay control module are powered, having a power failure anti-is infrared induction module for power supply from opening module output VCC2, stabilized power source is provided for infrared sensing switch module, it is achieved have a power failure anti-from opening function when having a power failure；Infrared sensing switch module, soft-touch control module and relay control module are connected with the I/O mouth of single-chip microcomputer central processing module respectively.
2. as claimed in claim 1 a kind of anti-from opening infrared induction intelligent switch by monolithic processor controlled power failure, it is characterized in that: described power module wherein charge-discharge circuit is by D5, D6 diode, D7 Zener diode, R3, R4 resistance and a rechargeable battery composition.D5, D6 positive pole is simultaneously connected to the positive terminal VCC of Voltage stabilizing module output, D5, D6 negative pole is connected with resistance R3 two ends respectively, D5 negative pole receives resistance R4 one end simultaneously, another termination D7 Zener diode negative pole of R4, a D7 Zener diode two ends rechargeable battery in parallel, it is anti-from opening module outfan VCC2 that D6 negative pole connects power failure.Voltage stabilizing module outfan VCC connects the power end VCC of soft-touch control module, single-chip microcomputer central processing module and relay control module, has a power failure anti-from the power end VCC2 opening module outfan VCC2 2 infrared induction modules of connection.
3. as claimed in claim 1 a kind of anti-from opening infrared induction intelligent switch by monolithic processor controlled power failure, it is characterized in that: described soft-touch control module is by NE555 chip, C6, C7 electric capacity, resistance R5 and sheet metal composition；C6 is connected in parallel between 1 foot of NE555 chip and 5 feet, and C7 is connected in parallel between 1 foot of NE555 chip and 6 feet, and R5 is connected in parallel between 7 feet of NE555 chip and 8 feet, sheet metal is connected on 2 feet of NE555 chip, 4,8 pins are connected, and 6,7 pins are connected, and 3 feet connect single-chip microcomputer P0.2 pin；Control by single-chip microcomputer internal processes, it may be achieved manual palpation mode switching control.
4. as claimed in claim 1 a kind of anti-from opening infrared induction intelligent switch by monolithic processor controlled power failure, it is characterized in that: the pyroelectricity of described infrared sensing switch module is HC-SR501 pyroelectric infrared-sensing module, repeatable triggering；Pyroelectricity A includes light-inductive, 1,3 termination DC sources, 2 ends receive single-chip microcomputer P0.0 port, the 1 of pyroelectricity B, 3 ports connect DC source, 2 ends receive single-chip microcomputer P0.1 port；Pyroelectricity 1 is connected with single-chip microcomputer, can realize when the low light level has a people switch from opening by programme-control, people leave after the control model that automatically disconnects of switch；Pyroelectricity 2 and soft-touch control block combiner, can realize people by Single-chip Controlling and touch soft-touch control sheet metal turn on-switch, and people disconnects the control model of switch automatically after leaving.
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| CN106593182A (en) * | 2016-11-18 | 2017-04-26 | 广西大学 | Human-body induction type automatic window closing control circuit |
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| CN106593182A (en) * | 2016-11-18 | 2017-04-26 | 广西大学 | Human-body induction type automatic window closing control circuit |
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| Publication number | Publication date |
|---|---|
| CN105759684B (en) | 2018-04-10 |
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