CN111638660A - Intelligent switch control circuit and control method thereof - Google Patents
Intelligent switch control circuit and control method thereof Download PDFInfo
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- CN111638660A CN111638660A CN202010506608.7A CN202010506608A CN111638660A CN 111638660 A CN111638660 A CN 111638660A CN 202010506608 A CN202010506608 A CN 202010506608A CN 111638660 A CN111638660 A CN 111638660A
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Abstract
The invention discloses an intelligent switch control circuit and a control method thereof, wherein the intelligent switch control circuit comprises the following steps: the current detection module adopts a mode of grounding a resistor R17 and a resistor R16 to prevent equipment from electric leakage; a capacitor C1 and a capacitor C2 in the infrared remote control receiving module are connected in parallel to increase the capacity of stored electric energy, and the transmission response of signals of internal components is improved; a capacitor C3 in the infrared induction module is grounded to filter a high-frequency signal generated by the induction module; a triode Q4 in the sound control module obtains a conduction voltage through a base terminal to realize the on-off of an electric signal; a triode Q6 in the timing extension module controls the timing on-off time; an inductor L1 in the low-voltage trigger module is used for stabilizing the starting current; therefore, different intelligent control effects are realized by arranging a plurality of groups of induction modules in parallel, and the same control purpose of the switch circuit is achieved.
Description
Technical Field
The invention relates to the technical field of intelligent switches, in particular to an intelligent switch control circuit and a control method thereof.
Background
The intelligent switch is a unit which utilizes the combination and programming of a control panel and electronic components to realize the control of the intelligent switch of a circuit, and is adopted in the control of a plurality of household appliances and lighting lamps because the control mode is simple and easy to realize. But the conventional switch control is difficult to meet the requirements of further improving the control precision and saving energy.
The existing intelligent switch control circuit adopts a single intelligent control mode to control the on-off effect of the equipment, so that the practical range of the intelligent switch is reduced, and high current can be generated when the intelligent switch controls high voltage transmission to cause a discharge phenomenon, thereby causing potential safety hazards of personnel and equipment; the intelligent switch can not detect the input voltage and the output voltage at any time when the control current transmission is impossible, and further can not intelligently protect the safety of the output current end connecting equipment; the transmission response of internal component signals cannot be improved during infrared remote control receiving; the high-frequency signal generated by the module cannot be induced during human body infrared induction, and therefore the control response speed is reduced.
Disclosure of Invention
The purpose of the invention is as follows: an intelligent switch control circuit is provided to solve the above problems.
The technical scheme is as follows: an intelligent switch control circuit comprising:
the current detection module is used for protecting the output current in work;
the infrared remote control receiving module is used for receiving infrared emission signals emitted by the outside;
the infrared induction module is used for realizing the on-off of an electric signal through the pyroelectric induction of a human body;
the voice control module is used for realizing the on-off of the electric signal through the received sound;
the timing extension module is used for carrying out timing processing on the electric signal fed back by the sound control module;
and the low-voltage trigger module is used for realizing the on-off of the power supply by receiving the control instructions of the infrared remote control receiving module, the infrared induction module and the timing extension module.
According to one aspect of the invention, the current detection module adopts a mode of grounding a resistor R17 and a resistor R16 to prevent equipment from electricity leakage, so that the safety of personnel and control equipment is protected;
the resistor R18 in the infrared remote control receiving module reduces the input voltage value, and the capacitor C1 and the capacitor C2 are connected in parallel to increase the capacity of stored electric energy and improve the signal transmission response of internal components;
a capacitor C3 in the infrared induction module is grounded to filter a high-frequency signal generated by the induction module;
a triode Q4 and a triode Q5 in the sound control module acquire conduction voltage through a base terminal to realize the on-off of an electric signal;
a triode Q6 in the timing extension module controls the timing on-off time;
the inductor L1 and the inductor L2 in the low-voltage trigger module are used for stabilizing the starting current; therefore, different intelligent control effects are realized by arranging a method of connecting a plurality of groups of induction modules in parallel, and the same control purpose is achieved.
According to one aspect of the invention, the current detection module comprises a resistor R17, a resistor R16, a current detector U4, a diode D6, a diode D5 and a capacitor C10, wherein one end of the resistor R17 is respectively connected with a pin 1 of the current detector U4 and a live wire L; the other end of the resistor R17 is connected with a ground wire GND; one end of the resistor R16 is respectively connected with a pin 3 of a current detector U4, the negative electrode end of a diode D6 and the positive electrode end of a diode D5; the other end of the resistor R16 is connected with a ground wire GND; pin 2 and pin 5 of the current detector U4 are both connected with a ground wire GND; the pin 8 and the pin 4 of the current detector U4 are respectively connected with the positive end of a diode D6, the negative end of a diode D5 and one end of a capacitor C10; the other end of the capacitor C10 is connected with the ground line GND.
According to one aspect of the invention, the infrared remote control receiving module comprises a transformer TR1, a resistor R18, a capacitor C1, a capacitor C2, a resistor R1, an infrared receiving probe P1, a resistor R2, a resistor R3, a resistor R4, a lamp LED1, a triode Q1, a resistor R22 and a diode D8, wherein a pin 1 of the transformer TR1 is respectively connected with one end of the resistor R17, a pin 1 of a current detector U4 and a live wire L; the pin 2 of the transformer TR1 is connected with a zero line N; pin 3 of the transformer TR1 is connected with one end of a resistor R18; pin 4 of the transformer TR1 is connected with a ground wire GND; the other end of the resistor R18 is respectively connected with one end of a capacitor C1, one end of a resistor R3, one end of a resistor R2, one end of a capacitor C2, one end of a resistor R1 and one end of a resistor R22; the other end of the capacitor C1 is respectively connected with the other end of the capacitor C2 and an infrared receiving probe P1 pin 1; the other end of the resistor R1 is connected with a pin 2 of an infrared receiving probe P1; the other end of the resistor R2 is respectively connected with one end of a resistor R4, an infrared receiving probe P1 pin 3 and a ground wire GND; the other end of the resistor R3 is connected with the positive end of the lamp LED 1; the negative electrode end of the lamp LED1 is connected with the collector end of the triode Q1; the base end of the triode Q1 is connected with the other end of the resistor R4; the emitter terminal of the triode Q1 is connected with the positive terminal of the diode D8.
According to one aspect of the invention, the infrared sensing module comprises an infrared sensor T1, a capacitor C3, a resistor R19, a capacitor C5, a capacitor C4, a resistor R6, a triode Q2, a resistor R5, an operational amplifier U1, an operational amplifier U2, a resistor R7, a capacitor C6, a resistor R8, a capacitor C7, a variable resistor RV1, a resistor R10, a triode Q3, a resistor R11, a diode D1, a diode D10 and a diode D9, wherein one end of the resistor R19 is connected with one end of a pin 3 of a transformer TR1 and one end of a resistor R18 respectively; the other end of the resistor R19 is respectively connected with a pin D of an infrared sensor T1, one end of a capacitor C3, one end of a resistor R5, a pin 2 of a variable resistor RV1, a cathode end of a diode D1, one end of a resistor R11, an anode end of a diode D1 and an anode end of a diode D9; the other end of the capacitor C3 is connected with a ground wire GND; the other end of the resistor R5 is respectively connected with one end of a resistor R6 and a collector end of a triode Q2; the other end of the resistor R6 is respectively connected with the positive end of the capacitor C4, the negative end of the capacitor C5 and the base end of the triode Q2; the positive end of the capacitor C5 is connected with a pin S of an infrared sensor T1; the emitter terminal of the triode Q2 is respectively connected with a pin E of an infrared sensor T1, a negative terminal of a capacitor C6, a pin 3 of a variable resistor RV1, the emitter terminal of the triode Q3 and a ground wire GND; the negative end of the capacitor C4 is connected with a pin 3 of an operational amplifier U1; the pin 2 of the operational amplifier U1 is respectively connected with one end of a resistor R7, one end of a resistor R8 and the negative end of a capacitor C7; the positive end of the capacitor C6 is connected with the other end of the resistor R7; the pin 1 of the operational amplifier U1 is respectively connected with the other end of the resistor R8, the positive end of the capacitor C7 and a pin 3 of the operational amplifier U2; pin 2 of the operational amplifier U2 is connected with pin 1 of a variable resistor RV 1; pin 6 of the operational amplifier U2 is connected with one end of a resistor R10; the other end of the resistor R10 is connected with the base terminal of a triode Q3; the collector terminal of the triode Q3 is connected with the other end of the resistor R11; and the negative electrode end of the diode D9 is respectively connected with the negative electrode end of the diode D8 and the negative electrode end of the diode D10.
According to one aspect of the invention, the voice control module comprises a microphone ST1, a resistor R9, a resistor R20, a resistor R12, a capacitor C8, a triode Q4, a resistor R13, a diode D3, a diode D2 and a triode Q5, wherein one end of the microphone ST1 is respectively connected with one end of the resistor R9 and the positive end of the capacitor C8; the other end of the sound pick-up ST1 is respectively connected with an emitter terminal of a triode Q4, an emitter terminal of a triode Q5 and a ground wire GND; the other end of the resistor R9 is respectively connected with one end of a resistor R12, one end of a resistor R13, the positive end of a diode D3, the positive end of a diode D2 and one end of a resistor R20; the other end of the resistor R20 is respectively connected with one end of a resistor R19, a pin 3 of a transformer TR1 and one end of a resistor R18; the other end of the resistor R12 is respectively connected with the negative electrode end of the capacitor C8, the base electrode end of the triode Q4 and the collector end of the triode Q4 are respectively connected with the other end of the resistor R13 and the base electrode end of the triode Q5; and the collector terminal of the triode Q5 is respectively connected with the cathode terminal of the diode D3 and the cathode terminal of the diode D2.
According to one aspect of the invention, the timing extension module comprises a resistor R14, a capacitor C9, a timer U3, a resistor R15, a diode D4 and a triode Q6, wherein one end of the resistor R14 is respectively connected with a pin 8 of the timer U3, a collector end of the triode Q6, the other end of the resistor R9, one end of the resistor R12, one end of the resistor R13, a positive end of the diode D3, a positive end of the diode D2 and one end of the resistor R20; the other end of the resistor R14 is respectively connected with one end of a capacitor C9, a pin 4 of a timer U3 and a pin 2; one end of the resistor R15 is connected with a pin 7 of a U3 of the timer; the other end of the resistor R15 is connected with the positive end of a diode D4; the negative electrode end of the diode D4 is connected with the base end of the triode Q6; the emitter terminal of the triode Q6 is connected with the positive terminal of the diode D10.
According to one aspect of the invention, the low-voltage trigger module comprises an inductor L1, an inductor L2, a triode Q7, a diode D7, a relay K1 and a trigger switch S1, wherein one end of the inductor L1 is connected with the negative end of the diode D8, the negative end of the diode D9 and the negative end of the diode D10 respectively; the other end of the inductor L1 is respectively connected with a base terminal of a triode Q7 and one end of an inductor L2; the other end of the inductor L2 is respectively connected with an emitter terminal of the triode Q7 and a ground wire GND; the collector end of the triode Q7 is respectively connected with one end of a relay K1 and the positive end of a diode D7; the negative end of the diode D7 is respectively connected with the other end of the relay K1 and the other end of the resistor R22; one end of the trigger switch S1 is respectively connected with a pin 8 and a pin 4 of a current detector U4, the positive end of a diode D6, the negative end of a diode D5 and one end of a capacitor C10; the other end of the trigger switch S1 is a live wire L output end.
According to one aspect of the invention, the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C7 and the capacitor C8 are all electrolytic capacitors; the diode D5, the diode D6, the diode D8, the diode D9, the diode D10, the diode D2 and the diode D4 are all voltage-regulator diodes; the model of the triode Q1, the model of the triode Q2, the model of the triode Q3, the model of the triode Q4, the model of the triode Q5, the model of the triode Q6 and the model of the triode Q7 are all NPN; the model of the current detector U4 is MAX 471; the model of the infrared receiving probe P1 is HS 0038A; the infrared sensor T1 is LH 1954; the pickup ST1 model is CT 110.
According to one aspect of the present invention, a control method of an intelligent switch control circuit is characterized by comprising the steps of:
step 2, the infrared induction module controls the operation of the intelligent switch through pyroelectric human body induction to achieve the states of manned operation and unmanned dormancy, a high-frequency signal generated by the induction module is filtered through grounding of a capacitor C3 in the infrared induction module, the impedance of the high-frequency signal is reduced through parallel connection of a capacitor C4, a resistor R6, a resistor R8 and a capacitor C7, the influence on the induction module is reduced, the response speed of the infrared induction module is improved, the sound control module acquires externally emitted sound through a sound pickup ST1 to generate amplitude, the circuit conduction of the triode Q4 and the triode Q5 is achieved, the sound acquired by the sound pickup ST1 is subjected to delay control through a timing delay module in series connection, the on-off duration of the intelligent switch is achieved, then the on-off of an electric signal is achieved through the triode Q6, the unidirectional conductivity of the intelligent switch is utilized according to the set diode D8, the diode D9 and the diode D10, prevent that the response from switching on the signal and overlapping the short circuit phenomenon of appearing, trigger the module relay K1 and acquire the trigger signal of response module through the low pressure, realize relay K1' S operation, and then adsorb trigger switch S1, realize the transmission of intelligent control low pressure control high voltage.
Has the advantages that: the invention designs an intelligent switch control circuit and a control method thereof, and the existing intelligent switch circuit adopts a single intelligent control mode to control the on-off of equipment, thereby reducing the practical range of an intelligent switch, and then three groups of parallel control circuits are formed by arranging an infrared remote control receiving module, an infrared induction module and a sound control module in the intelligent switch circuit, and the three groups of parallel control circuits adopt a signal receiving mode to obtain a conduction instruction, thereby realizing the on-off of an electric signal, and adopting a parallel mode to realize the independent operation without mutual interference, thereby expanding the practical range of the intelligent switch; the intelligent switch controls the high voltage transmission to generate high current, so that a discharge phenomenon is caused, the obtained high voltage is subjected to voltage reduction, the induction control circuit is used for induction receiving control to enable a low voltage signal to be transmitted to the low voltage trigger module, the low voltage trigger module obtains low voltage through the relay K1, the high voltage trigger switch S1 is adsorbed, and transmission of the low voltage control high voltage is formed; the intelligent switch cannot detect the input output voltage constantly when controlling current transmission, so that the input and output current change is detected by connecting the current detection module on the high-voltage live wire line in series, and the safety of the current output end connecting equipment is protected; the transmission response of signals of internal components cannot be improved during infrared remote control receiving, so that the capacity of stored electric energy is increased by connecting the capacitor C1 and the capacitor C2 in parallel in the infrared remote control receiving module, and the transmission response is improved; the high-frequency signal that can't respond to the module production when human infrared induction to through utilize electric capacity C3 ground connection to filter the high-frequency signal that the response module produced in infrared induction module, and then improve response control response speed.
Drawings
Fig. 1 is a block diagram of the present invention.
Fig. 2 is a diagram of the intelligent switch control circuit of the present invention.
Fig. 3 is a circuit diagram of a current detection module of the present invention.
Fig. 4 is a circuit diagram of an infrared remote control receiving module of the present invention.
Fig. 5 is a circuit diagram of the infrared sensing module of the present invention.
Fig. 6 is a circuit diagram of the voice control module of the present invention.
Fig. 7 is a circuit diagram of the timing extension module of the present invention.
Fig. 8 is a circuit diagram of a low voltage trigger module of the present invention.
Detailed Description
As shown in fig. 1, in this embodiment, an intelligent switch control circuit includes:
the current detection module is used for protecting the output current in work;
the infrared remote control receiving module is used for receiving infrared emission signals emitted by the outside;
the infrared induction module is used for realizing the on-off of an electric signal through the pyroelectric induction of a human body;
the voice control module is used for realizing the on-off of the electric signal through the received sound;
the timing extension module is used for carrying out timing processing on the electric signal fed back by the sound control module;
and the low-voltage trigger module is used for realizing the on-off of the power supply by receiving the control instructions of the infrared remote control receiving module, the infrared induction module and the timing extension module.
In a further embodiment, as shown in fig. 2, the current detection module prevents the device from leaking electricity by grounding the resistor R17 and the resistor R16, so as to protect the safety of the human body and the control device;
the resistor R18 in the infrared remote control receiving module reduces the input voltage value, and the capacitor C1 and the capacitor C2 are connected in parallel to increase the capacity of stored electric energy and improve the signal transmission response of internal components;
a capacitor C3 in the infrared induction module is grounded to filter a high-frequency signal generated by the induction module;
a triode Q4 and a triode Q5 in the sound control module acquire conduction voltage through a base terminal to realize the on-off of an electric signal;
a triode Q6 in the timing extension module controls the timing on-off time;
the inductor L1 and the inductor L2 in the low-voltage trigger module are used for stabilizing the starting current; therefore, different intelligent control effects are realized by arranging a method of connecting a plurality of groups of induction modules in parallel, and the same control purpose is achieved.
In a further embodiment, as shown in fig. 3, the current detection module includes a resistor R17, a resistor R16, a current detector U4, a diode D6, a diode D5, and a capacitor C10.
In a further embodiment, one end of the resistor R17 in the current detection module is connected to pin 1 and the live line L of the current detector U4, respectively; the other end of the resistor R17 is connected with a ground wire GND; one end of the resistor R16 is respectively connected with a pin 3 of a current detector U4, the negative electrode end of a diode D6 and the positive electrode end of a diode D5; the other end of the resistor R16 is connected with a ground wire GND; pin 2 and pin 5 of the current detector U4 are both connected with a ground wire GND; the pin 8 and the pin 4 of the current detector U4 are respectively connected with the positive end of a diode D6, the negative end of a diode D5 and one end of a capacitor C10; the other end of the capacitor C10 is connected with the ground line GND.
In a further embodiment, as shown in fig. 4, the infrared remote control receiving module includes a transformer TR1, a resistor R18, a capacitor C1, a capacitor C2, a resistor R1, an infrared receiving probe P1, a resistor R2, a resistor R3, a resistor R4, a lamp LED1, a triode Q1, a resistor R22, and a diode D8.
In a further embodiment, pin 1 of the transformer TR1 in the infrared remote control receiving module is respectively connected with one end of a resistor R17, pin 1 of a current detector U4 and a live wire L; the pin 2 of the transformer TR1 is connected with a zero line N; pin 3 of the transformer TR1 is connected with one end of a resistor R18; pin 4 of the transformer TR1 is connected with a ground wire GND; the other end of the resistor R18 is respectively connected with one end of a capacitor C1, one end of a resistor R3, one end of a resistor R2, one end of a capacitor C2, one end of a resistor R1 and one end of a resistor R22; the other end of the capacitor C1 is respectively connected with the other end of the capacitor C2 and an infrared receiving probe P1 pin 1; the other end of the resistor R1 is connected with a pin 2 of an infrared receiving probe P1; the other end of the resistor R2 is respectively connected with one end of a resistor R4, an infrared receiving probe P1 pin 3 and a ground wire GND; the other end of the resistor R3 is connected with the positive end of the lamp LED 1; the negative electrode end of the lamp LED1 is connected with the collector end of the triode Q1; the base end of the triode Q1 is connected with the other end of the resistor R4; the emitter terminal of the triode Q1 is connected with the positive terminal of the diode D8.
In a further embodiment, as shown in fig. 5, the infrared sensing module includes an infrared sensor T1, a capacitor C3, a resistor R19, a capacitor C5, a capacitor C4, a resistor R6, a transistor Q2, a resistor R5, an operational amplifier U1, an operational amplifier U2, a resistor R7, a capacitor C6, a resistor R8, a capacitor C7, a variable resistor RV1, a resistor R10, a transistor Q3, a resistor R11, a diode D1, a diode D10, and a diode D9.
In a further embodiment, one end of the resistor R19 in the infrared sensing module is respectively connected to pin 3 of the transformer TR1 and one end of the resistor R18; the other end of the resistor R19 is respectively connected with a pin D of an infrared sensor T1, one end of a capacitor C3, one end of a resistor R5, a pin 2 of a variable resistor RV1, a cathode end of a diode D1, one end of a resistor R11, an anode end of a diode D1 and an anode end of a diode D9; the other end of the capacitor C3 is connected with a ground wire GND; the other end of the resistor R5 is respectively connected with one end of a resistor R6 and a collector end of a triode Q2; the other end of the resistor R6 is respectively connected with the positive end of the capacitor C4, the negative end of the capacitor C5 and the base end of the triode Q2; the positive end of the capacitor C5 is connected with a pin S of an infrared sensor T1; the emitter terminal of the triode Q2 is respectively connected with a pin E of an infrared sensor T1, a negative terminal of a capacitor C6, a pin 3 of a variable resistor RV1, the emitter terminal of the triode Q3 and a ground wire GND; the negative end of the capacitor C4 is connected with a pin 3 of an operational amplifier U1; the pin 2 of the operational amplifier U1 is respectively connected with one end of a resistor R7, one end of a resistor R8 and the negative end of a capacitor C7; the positive end of the capacitor C6 is connected with the other end of the resistor R7; the pin 1 of the operational amplifier U1 is respectively connected with the other end of the resistor R8, the positive end of the capacitor C7 and a pin 3 of the operational amplifier U2; pin 2 of the operational amplifier U2 is connected with pin 1 of a variable resistor RV 1; pin 6 of the operational amplifier U2 is connected with one end of a resistor R10; the other end of the resistor R10 is connected with the base terminal of a triode Q3; the collector terminal of the triode Q3 is connected with the other end of the resistor R11; and the negative electrode end of the diode D9 is respectively connected with the negative electrode end of the diode D8 and the negative electrode end of the diode D10.
In a further embodiment, as shown in fig. 6, the voice control module includes a microphone ST1, a resistor R9, a resistor R20, a resistor R12, a capacitor C8, a transistor Q4, a resistor R13, a diode D3, a diode D2, and a transistor Q5.
In a further embodiment, one end of the sound pickup ST1 in the sound control module is respectively connected with one end of a resistor R9 and the positive end of a capacitor C8; the other end of the sound pick-up ST1 is respectively connected with an emitter terminal of a triode Q4, an emitter terminal of a triode Q5 and a ground wire GND; the other end of the resistor R9 is respectively connected with one end of a resistor R12, one end of a resistor R13, the positive end of a diode D3, the positive end of a diode D2 and one end of a resistor R20; the other end of the resistor R20 is respectively connected with one end of a resistor R19, a pin 3 of a transformer TR1 and one end of a resistor R18; the other end of the resistor R12 is respectively connected with the negative electrode end of the capacitor C8, the base electrode end of the triode Q4 and the collector end of the triode Q4 are respectively connected with the other end of the resistor R13 and the base electrode end of the triode Q5; and the collector terminal of the triode Q5 is respectively connected with the cathode terminal of the diode D3 and the cathode terminal of the diode D2.
In a further embodiment, as shown in fig. 7, the timing extension module includes a resistor R14, a capacitor C9, a timer U3, a resistor R15, a diode D4, and a transistor Q6.
In a further embodiment, one end of the resistor R14 in the timing extension module is respectively connected to the pin 8 of the timer U3, the collector terminal of the transistor Q6, the other end of the resistor R9, one end of the resistor R12, one end of the resistor R13, the positive terminal of the diode D3, the positive terminal of the diode D2, and one end of the resistor R20; the other end of the resistor R14 is respectively connected with one end of a capacitor C9, a pin 4 of a timer U3 and a pin 2; one end of the resistor R15 is connected with a pin 7 of a U3 of the timer; the other end of the resistor R15 is connected with the positive end of a diode D4; the negative electrode end of the diode D4 is connected with the base end of the triode Q6; the emitter terminal of the triode Q6 is connected with the positive terminal of the diode D10.
In a further embodiment, as shown in fig. 8, the low voltage trigger module includes an inductor L1, an inductor L2, a transistor Q7, a diode D7, a relay K1, and a trigger switch S1.
In a further embodiment, one end of the inductor L1 in the low voltage trigger module is connected to the negative terminal of the diode D8, the negative terminal of the diode D9, and the negative terminal of the diode D10, respectively; the other end of the inductor L1 is respectively connected with a base terminal of a triode Q7 and one end of an inductor L2; the other end of the inductor L2 is respectively connected with an emitter terminal of the triode Q7 and a ground wire GND; the collector end of the triode Q7 is respectively connected with one end of a relay K1 and the positive end of a diode D7; the negative end of the diode D7 is respectively connected with the other end of the relay K1 and the other end of the resistor R22; one end of the trigger switch S1 is respectively connected with a pin 8 and a pin 4 of a current detector U4, the positive end of a diode D6, the negative end of a diode D5 and one end of a capacitor C10; the other end of the trigger switch S1 is a live wire L output end.
In a further embodiment, the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C7 and the capacitor C8 are all electrolytic capacitors; the diode D5, the diode D6, the diode D8, the diode D9, the diode D10, the diode D2 and the diode D4 are all voltage-regulator diodes; the model of the triode Q1, the model of the triode Q2, the model of the triode Q3, the model of the triode Q4, the model of the triode Q5, the model of the triode Q6 and the model of the triode Q7 are all NPN; the model of the current detector U4 is MAX 471; the model of the infrared receiving probe P1 is HS 0038A; the infrared sensor T1 is LH 1954; the pickup ST1 model is CT 110.
In a further embodiment, a control method of an intelligent switch control circuit is characterized by comprising the following steps:
step 1, a current detection module is connected in series on a live wire L, so that the safety of output voltage is protected and controlled, a mode of grounding a resistor R17 and a resistor R16 is adopted, the electric leakage of equipment is prevented, the safety of people and control equipment is further protected, the interference of a current detector U4 on a transmission power supply in the operation process is eliminated by grounding through a capacitor C10, the voltage value of alternating current is reduced by a mode of voltage reduction through a transformer TR, so that voltage is provided for low-voltage control equipment, the operation of low-voltage control high-voltage equipment is realized, the phenomenon of discharging of the equipment in instant starting is prevented, potential safety hazards exist, a single intelligent control unit is formed by arranging an infrared remote control receiving module, an infrared induction module and a sound control module, so that different control effects are realized, the same control purpose intelligent switch circuit is achieved, a capacitor C1 and a capacitor C2 in the infrared remote control receiving module are connected, the transmission response of signals of internal components is improved, so that delay control is reduced, and the on-off of the triode Q1 is realized by the triode Q1 according to a control instruction received by the infrared receiving probe P1;
step 2, the infrared induction module controls the operation of the intelligent switch through pyroelectric human body induction to achieve the states of manned operation and unmanned dormancy, a high-frequency signal generated by the induction module is filtered through grounding of a capacitor C3 in the infrared induction module, the impedance of the high-frequency signal is reduced through parallel connection of a capacitor C4, a resistor R6, a resistor R8 and a capacitor C7, the influence on the induction module is reduced, the response speed of the infrared induction module is improved, the sound control module acquires externally emitted sound through a sound pickup ST1 to generate amplitude, the circuit conduction of the triode Q4 and the triode Q5 is achieved, the sound acquired by the sound pickup ST1 is subjected to delay control through a timing delay module in series connection, the on-off duration of the intelligent switch is achieved, then the on-off of an electric signal is achieved through the triode Q6, the unidirectional conductivity of the intelligent switch is utilized according to the set diode D8, the diode D9 and the diode D10, prevent that the response from switching on the signal and overlapping the short circuit phenomenon of appearing, trigger the module relay K1 and acquire the trigger signal of response module through the low pressure, realize relay K1' S operation, and then adsorb trigger switch S1, realize the transmission of intelligent control low pressure control high voltage.
In summary, the present invention has the following advantages: the resistor R17 and the resistor R16 are grounded to prevent the electric leakage of equipment, so that the safety of human bodies and control equipment is protected, the diode D5 and the diode D6 are both voltage-stabilizing diodes and utilize the reverse breakdown state of pn junctions, the current of the diodes can change in a large range, and the voltage of the diodes is basically unchanged, and then the interference of the current detector U4 on a transmission power supply in the operation process is eliminated by grounding the capacitor C10; the resistor R18 reduces the input voltage value, so that the required working voltage of the infrared remote control receiving module is met, the capacitor C1 and the capacitor C2 are connected in parallel to increase the capacity of stored electric energy and improve the transmission response of signals of internal components, the resistor R3 reduces the input voltage value, the lamp LED1 works in the rated voltage, and the diode D8 controls the unidirectional transmission of a conduction instruction by utilizing the self unidirectional conductivity; the capacitor C3 is grounded to filter a high-frequency signal generated by the induction module, the resistor R7 absorbs over-discharge current generated by the capacitor C6 to protect the safety of the released current, the capacitor C4 is connected with the resistor R6, the resistor R8 is connected with the capacitor C7 in parallel to reduce the impedance of the high-frequency signal and reduce the influence on the induction module, so that the response speed of the infrared induction module is improved, and the triode Q3 obtains an instruction obtained by the infrared sensor T1 through a base terminal to realize the conduction of an electric signal; the triode Q4 and the triode Q5 obtain the conducting voltage through the base terminal to realize the on-off of the electric signal; the capacitor C9 provides operation buffer electric energy for the timer U3, the voltage impact phenomenon generated during instant starting is reduced, and the time of timing on-off is controlled by the triode Q6; the inductor L1 and the inductor L2 are used for stabilizing the starting current, and the triode Q7 obtains a sensor on-off instruction through a base terminal, so that the relay K1 operates to adsorb the trigger switch S1, and a low-voltage control circuit is realized; therefore, different intelligent control effects are realized by arranging a plurality of groups of induction modules in parallel, and the same control purpose of the switch circuit is achieved.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
Claims (9)
1. An intelligent switch control circuit, comprising the following modules:
the current detection module is used for protecting the output current in work;
the infrared remote control receiving module is used for receiving infrared emission signals emitted by the outside;
the infrared induction module is used for realizing the on-off of an electric signal through the pyroelectric induction of a human body;
the voice control module is used for realizing the on-off of the electric signal through the received sound;
the timing extension module is used for carrying out timing processing on the electric signal fed back by the sound control module;
and the low-voltage trigger module is used for realizing the on-off of the power supply by receiving the control instructions of the infrared remote control receiving module, the infrared induction module and the timing extension module.
2. The intelligent switch control circuit according to claim 1, wherein the current detection module prevents the leakage of the equipment by grounding the resistor R17 and the resistor R16, thereby protecting the safety of people and control equipment;
the resistor R18 in the infrared remote control receiving module reduces the input voltage value, and the capacitor C1 and the capacitor C2 are connected in parallel to increase the capacity of stored electric energy and improve the signal transmission response of internal components;
a capacitor C3 in the infrared induction module is grounded to filter a high-frequency signal generated by the induction module;
a triode Q4 and a triode Q5 in the sound control module acquire conduction voltage through a base terminal to realize the on-off of an electric signal;
a triode Q6 in the timing extension module controls the timing on-off time;
the inductor L1 and the inductor L2 in the low-voltage trigger module are used for stabilizing the starting current; therefore, different intelligent control effects are realized by arranging a method of connecting a plurality of groups of induction modules in parallel, and the same control purpose is achieved.
3. The intelligent switch control circuit according to claim 1, wherein the current detection module comprises a resistor R17, a resistor R16, a current detector U4, a diode D6, a diode D5, and a capacitor C10, wherein one end of the resistor R17 is connected to pin 1 of the current detector U4 and the live line L; the other end of the resistor R17 is connected with a ground wire GND; one end of the resistor R16 is respectively connected with a pin 3 of a current detector U4, the negative electrode end of a diode D6 and the positive electrode end of a diode D5; the other end of the resistor R16 is connected with a ground wire GND; pin 2 and pin 5 of the current detector U4 are both connected with a ground wire GND; the pin 8 and the pin 4 of the current detector U4 are respectively connected with the positive end of a diode D6, the negative end of a diode D5 and one end of a capacitor C10; the other end of the capacitor C10 is connected with the ground line GND.
4. An intelligent switch control circuit as claimed in claim 1, wherein the infrared remote control receiving module comprises a transformer TR1, a resistor R18, a capacitor C1, a capacitor C2, a resistor R1, an infrared receiving probe P1, a resistor R2, a resistor R3, a resistor R4, a lamp LED1, a triode Q1, a resistor R22 and a diode D8, wherein a pin 1 of the transformer TR1 is respectively connected with one end of the resistor R17, a pin 1 of a current detector U4 and a live line L; the pin 2 of the transformer TR1 is connected with a zero line N; pin 3 of the transformer TR1 is connected with one end of a resistor R18; pin 4 of the transformer TR1 is connected with a ground wire GND; the other end of the resistor R18 is respectively connected with one end of a capacitor C1, one end of a resistor R3, one end of a resistor R2, one end of a capacitor C2, one end of a resistor R1 and one end of a resistor R22; the other end of the capacitor C1 is respectively connected with the other end of the capacitor C2 and an infrared receiving probe P1 pin 1; the other end of the resistor R1 is connected with a pin 2 of an infrared receiving probe P1; the other end of the resistor R2 is respectively connected with one end of a resistor R4, an infrared receiving probe P1 pin 3 and a ground wire GND; the other end of the resistor R3 is connected with the positive end of the lamp LED 1; the negative electrode end of the lamp LED1 is connected with the collector end of the triode Q1; the base end of the triode Q1 is connected with the other end of the resistor R4; the emitter terminal of the triode Q1 is connected with the positive terminal of the diode D8.
5. An intelligent switch control circuit as claimed in claim 1, wherein the infrared sensing module comprises an infrared sensor T1, a capacitor C3, a resistor R19, a capacitor C5, a capacitor C4, a resistor R6, a transistor Q2, a resistor R5, an operational amplifier U1, an operational amplifier U2, a resistor R7, a capacitor C6, a resistor R8, a capacitor C7, a variable resistor RV1, a resistor R10, a transistor Q3, a resistor R11, a diode D1, a diode D10, and a diode D9, wherein one end of the resistor R19 is connected with one end of a pin 3 of a transformer TR1 and one end of a resistor R18, respectively; the other end of the resistor R19 is respectively connected with a pin D of an infrared sensor T1, one end of a capacitor C3, one end of a resistor R5, a pin 2 of a variable resistor RV1, a cathode end of a diode D1, one end of a resistor R11, an anode end of a diode D1 and an anode end of a diode D9; the other end of the capacitor C3 is connected with a ground wire GND; the other end of the resistor R5 is respectively connected with one end of a resistor R6 and a collector end of a triode Q2; the other end of the resistor R6 is respectively connected with the positive end of the capacitor C4, the negative end of the capacitor C5 and the base end of the triode Q2; the positive end of the capacitor C5 is connected with a pin S of an infrared sensor T1; the emitter terminal of the triode Q2 is respectively connected with a pin E of an infrared sensor T1, a negative terminal of a capacitor C6, a pin 3 of a variable resistor RV1, the emitter terminal of the triode Q3 and a ground wire GND; the negative end of the capacitor C4 is connected with a pin 3 of an operational amplifier U1; the pin 2 of the operational amplifier U1 is respectively connected with one end of a resistor R7, one end of a resistor R8 and the negative end of a capacitor C7; the positive end of the capacitor C6 is connected with the other end of the resistor R7; the pin 1 of the operational amplifier U1 is respectively connected with the other end of the resistor R8, the positive end of the capacitor C7 and a pin 3 of the operational amplifier U2; pin 2 of the operational amplifier U2 is connected with pin 1 of a variable resistor RV 1; pin 6 of the operational amplifier U2 is connected with one end of a resistor R10; the other end of the resistor R10 is connected with the base terminal of a triode Q3; the collector terminal of the triode Q3 is connected with the other end of the resistor R11; and the negative electrode end of the diode D9 is respectively connected with the negative electrode end of the diode D8 and the negative electrode end of the diode D10.
6. The intelligent switch control circuit according to claim 1, wherein the voice control module comprises a microphone ST1, a resistor R9, a resistor R20, a resistor R12, a capacitor C8, a transistor Q4, a resistor R13, a diode D3, a diode D2, and a transistor Q5, wherein one end of the microphone ST1 is connected to one end of the resistor R9 and the positive end of the capacitor C8, respectively; the other end of the sound pick-up ST1 is respectively connected with an emitter terminal of a triode Q4, an emitter terminal of a triode Q5 and a ground wire GND; the other end of the resistor R9 is respectively connected with one end of a resistor R12, one end of a resistor R13, the positive end of a diode D3, the positive end of a diode D2 and one end of a resistor R20; the other end of the resistor R20 is respectively connected with one end of a resistor R19, a pin 3 of a transformer TR1 and one end of a resistor R18; the other end of the resistor R12 is respectively connected with the negative electrode end of the capacitor C8, the base electrode end of the triode Q4 and the collector end of the triode Q4 are respectively connected with the other end of the resistor R13 and the base electrode end of the triode Q5; and the collector terminal of the triode Q5 is respectively connected with the cathode terminal of the diode D3 and the cathode terminal of the diode D2.
7. The intelligent switch control circuit according to claim 1, wherein the timing extension module comprises a resistor R14, a capacitor C9, a timer U3, a resistor R15, a diode D4, and a transistor Q6, wherein one end of the resistor R14 is connected to pin 8 of the timer U3, the collector of the transistor Q6, the other end of the resistor R9, one end of the resistor R12, one end of the resistor R13, the positive end of the diode D3, the positive end of the diode D2, and one end of the resistor R20, respectively; the other end of the resistor R14 is respectively connected with one end of a capacitor C9, a pin 4 of a timer U3 and a pin 2; one end of the resistor R15 is connected with a pin 7 of a U3 of the timer; the other end of the resistor R15 is connected with the positive end of a diode D4; the negative electrode end of the diode D4 is connected with the base end of the triode Q6; the emitter terminal of the triode Q6 is connected with the positive terminal of the diode D10.
8. An intelligent switch control circuit according to claim 1, wherein the low-voltage trigger module comprises an inductor L1, an inductor L2, a transistor Q7, a diode D7, a relay K1, and a trigger switch S1, wherein one end of the inductor L1 is connected to the negative terminal of the diode D8, the negative terminal of the diode D9, and the negative terminal of the diode D10, respectively; the other end of the inductor L1 is respectively connected with a base terminal of a triode Q7 and one end of an inductor L2; the other end of the inductor L2 is respectively connected with an emitter terminal of the triode Q7 and a ground wire GND; the collector end of the triode Q7 is respectively connected with one end of a relay K1 and the positive end of a diode D7; the negative end of the diode D7 is respectively connected with the other end of the relay K1 and the other end of the resistor R22; one end of the trigger switch S1 is respectively connected with a pin 8 and a pin 4 of a current detector U4, the positive end of a diode D6, the negative end of a diode D5 and one end of a capacitor C10; the other end of the trigger switch S1 is a live wire L output end.
9. A control method of an intelligent switch control circuit is characterized by comprising the following steps:
step 1, a current detection module is connected in series on a live wire L, so that the safety of output voltage is protected and controlled, a mode of grounding a resistor R17 and a resistor R16 is adopted, the electric leakage of equipment is prevented, the safety of people and control equipment is further protected, the interference of a current detector U4 on a transmission power supply in the operation process is eliminated by grounding through a capacitor C10, the voltage value of alternating current is reduced by a mode of voltage reduction through a transformer TR, so that voltage is provided for low-voltage control equipment, the operation of low-voltage control high-voltage equipment is realized, the phenomenon of discharging of the equipment in instant starting is prevented, potential safety hazards exist, a single intelligent control unit is formed by arranging an infrared remote control receiving module, an infrared induction module and a sound control module, so that different control effects are realized, the same control purpose intelligent switch circuit is achieved, a capacitor C1 and a capacitor C2 in the infrared remote control receiving module are connected, the transmission response of signals of internal components is improved, so that delay control is reduced, and the on-off of the triode Q1 is realized by the triode Q1 according to a control instruction received by the infrared receiving probe P1;
step 2, the infrared induction module controls the operation of the intelligent switch through pyroelectric human body induction to achieve the states of manned operation and unmanned dormancy, a high-frequency signal generated by the induction module is filtered through grounding of a capacitor C3 in the infrared induction module, the impedance of the high-frequency signal is reduced through parallel connection of a capacitor C4, a resistor R6, a resistor R8 and a capacitor C7, the influence on the induction module is reduced, the response speed of the infrared induction module is improved, the sound control module acquires externally emitted sound through a sound pickup ST1 to generate amplitude, the circuit conduction of the triode Q4 and the triode Q5 is achieved, the sound acquired by the sound pickup ST1 is subjected to delay control through a timing delay module in series connection, the on-off duration of the intelligent switch is achieved, then the on-off of an electric signal is achieved through the triode Q6, the unidirectional conductivity of the intelligent switch is utilized according to the set diode D8, the diode D9 and the diode D10, prevent that the response from switching on the signal and overlapping the short circuit phenomenon of appearing, trigger the module relay K1 and acquire the trigger signal of response module through the low pressure, realize relay K1' S operation, and then adsorb trigger switch S1, realize the transmission of intelligent control low pressure control high voltage.
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| CN202010506608.7A CN111638660A (en) | 2020-06-05 | 2020-06-05 | Intelligent switch control circuit and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112214042A (en) * | 2020-09-14 | 2021-01-12 | 南京骞翮物联网科技有限公司 | Sewage discharge control system based on Internet of things and control method thereof |
| CN112666872A (en) * | 2020-12-29 | 2021-04-16 | 南京大陆豪智能电子科技有限公司 | Conversion control system, method and equipment based on membrane switch and computer readable medium |
-
2020
- 2020-06-05 CN CN202010506608.7A patent/CN111638660A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112214042A (en) * | 2020-09-14 | 2021-01-12 | 南京骞翮物联网科技有限公司 | Sewage discharge control system based on Internet of things and control method thereof |
| CN112666872A (en) * | 2020-12-29 | 2021-04-16 | 南京大陆豪智能电子科技有限公司 | Conversion control system, method and equipment based on membrane switch and computer readable medium |
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