CN110267423B - Light-operated intelligent switch working under strong electromagnetic interference - Google Patents
Light-operated intelligent switch working under strong electromagnetic interference Download PDFInfo
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- CN110267423B CN110267423B CN201910582467.4A CN201910582467A CN110267423B CN 110267423 B CN110267423 B CN 110267423B CN 201910582467 A CN201910582467 A CN 201910582467A CN 110267423 B CN110267423 B CN 110267423B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a light-operated intelligent switch working under strong electromagnetic interference, which comprises a power supply management unit, an anti-interference unit and a switch control unit, wherein the power supply management unit is used for controlling the power supply management unit to work; the power management unit records and analyzes all data through the data recording and analyzing module after receiving the data of each unit, distributes power according to an analysis result, the anti-interference unit amplifies the output voltage of the power management unit through the signal amplifying module, then transmits the output voltage signal to the anti-interference module for anti-interference processing, and finally, the switch is controlled to normally work through the photosensitive control circuit of the switch control unit. The invention realizes the normal work of the light-operated intelligent switch which works under strong electromagnetic interference, thereby not only ensuring the normal work of the light-operated intelligent switch under the strong electromagnetic interference, but also realizing the maximization of the power distribution benefit of each unit.
Description
Technical Field
The invention relates to a light-operated switch technology, in particular to a light-operated intelligent switch which works under strong electromagnetic interference.
Background
With the continuous development of living standard, the switch is not only the common production in industry and agriculture, but also the field of national defense and aerospace which needs to be controlled, and the demand for diversification of the type of the switch is more and more necessary.
When working indoors, much attention needs to be paid to the influence of outside illumination on indoor light. Because in many indoor environment, illumination is not enough, if can't carry out the on-off control of indoor lamp to light, probably can lead to work to receive the influence, and even if turn on light for a long time, can cause the wasting of resources. Therefore, there is a need for a light-operated smart switch.
In some working environments, strong electromagnetic interference can be generated, which can affect complex circuits, so that the light control effect is greatly reduced, and even the light control device cannot be used.
Disclosure of Invention
The purpose of the invention is as follows: the light-operated intelligent switch which works under strong electromagnetic interference is provided to solve the problems.
The technical scheme is as follows: a light-operated intelligent switch working under strong electromagnetic interference comprises a power supply management unit, an anti-interference unit and a switch control unit;
the power management unit can be mainly divided into a data recording and analyzing module and a power circuit, records and optimizes and analyzes data transmitted by each unit through the data recording and analyzing module, eliminates abnormal data and distributes power according to an analysis result;
the anti-interference unit amplifies the output voltage of the power management unit through the signal amplification module, then transmits an output voltage signal to the anti-interference module for anti-interference processing, and the anti-interference module further comprises an anti-interference circuit;
the switch control unit controls the switch to normally work through the photosensitive control circuit;
a power supply circuit, comprising a transformer TR1, a rectifier bridge BR1, a diode D1, a diode D2, a diode D3, an inductor L1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a resistor R1, a transistor Q1, an operational amplifier U1, a first pin 1 of the transformer TR1 is connected to an input voltage, a second pin 2 of the transformer TR1 is connected to the input voltage, a first pin 3 of the transformer TR1 is connected to a first pin BR 573 3 of the rectifier bridge BR 573, and a first terminal of the rectifier bridge BR1 is connected to a first pin of the rectifier bridge BR1, and a first terminal of the rectifier bridge BR1 is connected to a first pin of, One end of the capacitor C2, one end of the resistor R1, one end of the resistor R13, one end of the capacitor C8 and one end of the capacitor C9 are all connected to an output voltage, a 4 th pin of the rectifier bridge BR1 is connected to an anode of the diode D1, a cathode of the diode D1 is connected to one end of the inductor L1, the other end of the inductor L1 is connected to the other end of the capacitor C1, the other end of the capacitor C2, the other end of the resistor R1, a collector of the transistor Q1 and a collector of the transistor Q2, a base of the transistor Q1 is connected to an emitter of the transistor Q2, an emitter of the transistor Q1 is connected to one end of the resistor R5, one end of the resistor R6 and one end of the resistor R7, the other end of the resistor R5 is connected to a VCC signal, and the other end of the resistor R6 is connected to one end of the capacitor C5, One end of the resistor R9 is connected to one end of the resistor R14, the other end of the resistor R14 is connected to one end of the capacitor C6, the other end of the resistor R7 is connected to the other end of the capacitor C5, one end of the resistor R8, the other end of the capacitor C6, one end of the resistor R10, one end of the capacitor C7, the other end of the capacitor C8, and the other end of the capacitor C9, output voltages are connected to the other ends of the resistor R355 and the emitter of the transistor Q3, respectively, the base of the transistor Q2 is connected to one end of the resistor R2 and the emitter of the transistor Q3, respectively, the other end of the resistor R2 is connected to one end of the resistor R3, one end of the capacitor C3, and one end of the capacitor C4, the other end of the resistor R3 is connected to a VCC signal, the other end of the capacitor C3 is connected to the other end of the capacitor C4, and the collector, the other end of the resistor R4 is grounded, the base of the triode Q3 is respectively connected with the cathode of the diode D2 and the cathode of the diode D3, the anode of the diode D2 is connected with the output end of the operational amplifier U1, the inverting input end of the operational amplifier U1 is connected with the other end of the resistor R8, the non-inverting input end of the operational amplifier U1 is connected with the other end of the resistor R9, the anode of the diode D3 is connected with the output end of the operational amplifier U2, the inverting input end of the operational amplifier U2 is connected with the other end of the resistor R10, the non-inverting input end of the operational amplifier U2 is connected with one end of the resistor R11, the other end of the resistor R11 is respectively connected with one end of the resistor R12 and the other end of the resistor R13, and the other end of the resistor R12 is connected with the other end of the capacitor C7;
an anti-interference circuit comprises a resistor R15, a resistor R16, a thermistor RT1, a potentiometer VR1, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a transformer X1, a transformer X2 and an inductor L2, wherein one end of the resistor R15 is connected with one end of the capacitor C10 to output voltage, the other end of the resistor R15 is connected with one end of the thermistor RT1 and one end of the potentiometer VR1 respectively, the other end of the thermistor RT1 is connected with one end of the capacitor C12 and the 1 st pin of the transformer X1 respectively, the other end of the capacitor C10 is connected with one end of the capacitor C11 and one end of the inductor L2 to be grounded, the other end of the capacitor C11 is connected with the other end of the potentiometer VR1, the other end of the capacitor C12 and the 2 nd pin of the transformer X1, and the first pin X1 is connected with one end of the capacitor C13 respectively, One end of the resistor R16, one end of the capacitor C14, and the 1 st pin of the transformer X2 are connected, the 4 th pin of the transformer X1 is connected to the other end of the capacitor C13, the other end of the resistor R16, one end of the capacitor C15, and the 2 nd pin of the transformer X2, the other end of the capacitor C14 is connected to the other end of the inductor L2 and the other end of the capacitor C15, the 3 rd pin of the transformer X2 and one end of the capacitor C16 are connected to output signals, and the 4 th pin of the transformer X2 and the other end of the capacitor C16 are connected to anti-interference signals;
a photosensitive control circuit, which comprises a photosensitive resistor LDR1, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a transistor Q22, an inductor L22, a diode D22 and a relay RL 22, wherein one end of the resistor R22 is connected with one end of the capacitor C22 and one end of the RL 22, one end of the resistor R22 is connected with an anti-interference signal, and the other end of the resistor R22 is connected with one end of the capacitor C22, one end of the resistor R22, one end of the capacitor R22, one end of the resistor L22, one end of the negative electrode of the resistor R22 and one end of the emitter of the transistor R22, the other end of the capacitor C17 is connected to the other end of the capacitor C18, the one end of the photosensitive power LDR1, the emitter of the transistor Q4, the one end of the resistor R19, the one end of the capacitor C21, the emitter of the transistor Q6, the emitter of the transistor Q7, and the emitter of the transistor Q8 are all grounded, the other end of the resistor R18 is connected to the other end of the photosensitive power LDR1 and the base of the transistor Q4, the collector of the transistor Q4 is connected to the other end of the capacitor C19, the other end of the inductor L3, and the one end of the capacitor C20, the other end of the capacitor C20 is connected to the anode of the diode D4 and the base of the transistor Q5, the collector of the transistor Q5 is connected to the other end of the resistor R19 and the one end of the resistor R20, and the other end of the resistor R20 is connected to the other end of the capacitor C21, One end of the capacitor C22 is connected to one end of the capacitor C23, the other end of the capacitor C22 is connected to the negative electrode of the diode D5 and one end of the resistor R22, the other end of the resistor R22 is connected to the other end of the resistor R21, one end of the resistor R24 and the collector of the transistor Q6, the positive electrode of the diode D5 is connected to the base of the transistor Q6 and one end of the resistor R23, the other end of the capacitor C23 is connected to the negative electrode of the diode D6 and one end of the resistor R25, the other end of the resistor R25 is connected to the other end of the resistor R26, the other end of the resistor R23, the collector of the transistor Q7 and one end of the resistor R27, the other end of the resistor R27 is connected to the base of the transistor Q8, the collector of the transistor Q8 is connected to the other end of the relay RL1, the anode of the diode D6 is connected to the other end of the resistor R24 and the base of the transistor Q7, respectively.
According to one aspect of the invention, the diode D1 and the inductor L1 perform noise reduction on the rectified voltage, so as to ensure the stability of the circuit.
According to one aspect of the invention, the transistor Q1, the transistor Q2 and the transistor Q3 control voltage variation and feed back to the operational amplifier U1 and the operational amplifier U2 to ensure the stability of voltage output.
According to an aspect of the present invention, the operational amplifiers U1 and U2 are operational amplifiers LM324, which amplify the input voltage, and output the amplified voltage to the base of the transistor Q3 through the diode D2 and the diode D3 to form a feedback circuit, so as to ensure the voltage stability.
According to one aspect of the invention, the capacitor C10 and the capacitor C11 form a filter circuit, and the stability of signals is ensured.
According to one aspect of the invention, the transformer X1 and the transformer X2 transform signals in an anti-jamming circuit, so that the signals are stable.
According to one aspect of the invention, the thermistor RT1 and the potentiometer VR1 can adjust filtering, so that an anti-interference effect is guaranteed.
According to one aspect of the invention, the photoresistor LDR1 signals by detecting ambient light, and the transistor Q4 ensures that the signal output of the photoresistor LDR1 is not affected.
According to an aspect of the invention, the transistor Q5, the transistor Q6, the transistor Q7 and the transistor Q8 amplify signals, so that the signals transmitted by the photoresistor LDR1 are more accurate.
Has the advantages that: the invention can solve the problem that the light-operated intelligent switch which works under strong electromagnetic interference in the prior art normally works, thereby not only ensuring that the light-operated intelligent switch can normally work under strong electromagnetic interference, but also realizing the maximization of the power distribution benefit of each unit. Details will be described below.
Drawings
Fig. 1 is a block diagram of the present invention.
Fig. 2 is a schematic diagram of the power supply circuit of the present invention.
FIG. 3 is a schematic diagram of the immunity circuit of the present invention.
FIG. 4 is a schematic diagram of the photosensitive control circuit of the present invention.
Detailed Description
As shown in fig. 1, in this embodiment, an optically controlled intelligent switch operating under strong electromagnetic interference includes a power management unit, an anti-interference unit, and a switch control unit;
the power management unit can be mainly divided into a data recording and analyzing module and a power circuit, records and optimizes and analyzes data transmitted by each unit through the data recording and analyzing module, eliminates abnormal data and distributes power according to an analysis result;
the anti-interference unit amplifies the output voltage of the power management unit through the signal amplification module, then transmits an output voltage signal to the anti-interference module for anti-interference processing, and the anti-interference module further comprises an anti-interference circuit;
the switch control unit controls the switch to normally work through the photosensitive control circuit;
as shown in fig. 2, the power supply circuit includes a transformer TR1, a rectifier bridge BR1, a diode D1, a diode D2, a diode D3, an inductor L1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a resistor R1, a transistor Q1, an operational amplifier U1, a first pin 1 of the transformer TR1 is connected to an input voltage, a second pin 2 of the transformer TR1 is connected to the input voltage, a first pin BR 3 of the transformer TR1 is connected to a first pin BR 3 of the rectifier bridge BR 573, and a first end of the rectifier bridge BR1 is connected to a first pin of the rectifier bridge BR1, and a first rectifying bridge is connected to a first end of the first rectifying bridge BR1, and a first pin of the rectifier bridge BR 36, One end of the capacitor C2, one end of the resistor R1, one end of the resistor R13, one end of the capacitor C8 and one end of the capacitor C9 are all connected to an output voltage, a 4 th pin of the rectifier bridge BR1 is connected to an anode of the diode D1, a cathode of the diode D1 is connected to one end of the inductor L1, the other end of the inductor L1 is connected to the other end of the capacitor C1, the other end of the capacitor C2, the other end of the resistor R1, a collector of the transistor Q1 and a collector of the transistor Q2, a base of the transistor Q1 is connected to an emitter of the transistor Q2, an emitter of the transistor Q1 is connected to one end of the resistor R5, one end of the resistor R6 and one end of the resistor R7, the other end of the resistor R5 is connected to a VCC signal, and the other end of the resistor R6 is connected to one end of the capacitor C5, One end of the resistor R9 is connected to one end of the resistor R14, the other end of the resistor R14 is connected to one end of the capacitor C6, the other end of the resistor R7 is connected to the other end of the capacitor C5, one end of the resistor R8, the other end of the capacitor C6, one end of the resistor R10, one end of the capacitor C7, the other end of the capacitor C8, and the other end of the capacitor C9, output voltages are connected to the other ends of the resistor R355 and the emitter of the transistor Q3, respectively, the base of the transistor Q2 is connected to one end of the resistor R2 and the emitter of the transistor Q3, respectively, the other end of the resistor R2 is connected to one end of the resistor R3, one end of the capacitor C3, and one end of the capacitor C4, the other end of the resistor R3 is connected to a VCC signal, the other end of the capacitor C3 is connected to the other end of the capacitor C4, and the collector, the other end of the resistor R4 is grounded, the base of the triode Q3 is respectively connected with the cathode of the diode D2 and the cathode of the diode D3, the anode of the diode D2 is connected with the output end of the operational amplifier U1, the inverting input end of the operational amplifier U1 is connected with the other end of the resistor R8, the non-inverting input end of the operational amplifier U1 is connected with the other end of the resistor R9, the anode of the diode D3 is connected with the output end of the operational amplifier U2, the inverting input end of the operational amplifier U2 is connected with the other end of the resistor R10, the non-inverting input end of the operational amplifier U2 is connected with one end of the resistor R11, the other end of the resistor R11 is respectively connected with one end of the resistor R12 and the other end of the resistor R13, and the other end of the resistor R12 is connected with the other end of the capacitor C7;
as shown in fig. 3, the anti-jamming circuit includes a resistor R15, a resistor R16, a thermistor RT1, a potentiometer VR1, a capacitor C10, a capacitor C11, a capacitor C12, a transformer X12, and an inductor L12, wherein one end of the resistor R12 is connected to one end of the capacitor C12 for outputting a voltage, the other end of the resistor R12 is connected to one end of the thermistor RT 12 and one end of the potentiometer VR 12, the other end of the thermistor RT 12 is connected to one end of the capacitor C12 and the 1 st pin of the transformer X12, the other end of the capacitor C12 is connected to one end of the capacitor C12 and one end of the inductor L12, the other end of the capacitor C12 is connected to the other end of the potentiometer VR 12, the other end of the capacitor C12 and the first pin of the transformer X12, and the other end of the capacitor C12 is connected to one end of the first pin of the capacitor C12 and the capacitor C12 are connected to the first pin of, One end of the resistor R16, one end of the capacitor C14, and the 1 st pin of the transformer X2 are connected, the 4 th pin of the transformer X1 is connected to the other end of the capacitor C13, the other end of the resistor R16, one end of the capacitor C15, and the 2 nd pin of the transformer X2, the other end of the capacitor C14 is connected to the other end of the inductor L2 and the other end of the capacitor C15, the 3 rd pin of the transformer X2 and one end of the capacitor C16 are connected to output signals, and the 4 th pin of the transformer X2 and the other end of the capacitor C16 are connected to anti-interference signals;
as shown in fig. 4, the photosensitive control circuit includes a photosensitive resistor LDR1, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a transistor Q22, an inductor L22, a diode D22 and a relay RL 22, wherein one end of the resistor R22 is connected to one end of the capacitor C22 and one end of the relay RL 22, and the other end of the resistor R22 is connected to the negative electrode of the resistor R22, the resistor R22 and the emitter of the resistor R22, the other end of the capacitor C17 is connected to the other end of the capacitor C18, the one end of the photosensitive power LDR1, the emitter of the transistor Q4, the one end of the resistor R19, the one end of the capacitor C21, the emitter of the transistor Q6, the emitter of the transistor Q7, and the emitter of the transistor Q8 are all grounded, the other end of the resistor R18 is connected to the other end of the photosensitive power LDR1 and the base of the transistor Q4, the collector of the transistor Q4 is connected to the other end of the capacitor C19, the other end of the inductor L3, and the one end of the capacitor C20, the other end of the capacitor C20 is connected to the anode of the diode D4 and the base of the transistor Q5, the collector of the transistor Q5 is connected to the other end of the resistor R19 and the one end of the resistor R20, and the other end of the resistor R20 is connected to the other end of the capacitor C21, One end of the capacitor C22 is connected to one end of the capacitor C23, the other end of the capacitor C22 is connected to the negative electrode of the diode D5 and one end of the resistor R22, the other end of the resistor R22 is connected to the other end of the resistor R21, one end of the resistor R24 and the collector of the transistor Q6, the positive electrode of the diode D5 is connected to the base of the transistor Q6 and one end of the resistor R23, the other end of the capacitor C23 is connected to the negative electrode of the diode D6 and one end of the resistor R25, the other end of the resistor R25 is connected to the other end of the resistor R26, the other end of the resistor R23, the collector of the transistor Q7 and one end of the resistor R27, the other end of the resistor R27 is connected to the base of the transistor Q8, the collector of the transistor Q8 is connected to the other end of the relay RL1, the anode of the diode D6 is connected to the other end of the resistor R24 and the base of the transistor Q7, respectively.
In a further embodiment, the diode D1 and the inductor L1 perform noise reduction on the rectified voltage, so as to ensure the stability of the circuit.
In a further embodiment, the capacitor C1 and the capacitor C2 can stabilize the voltage, thereby ensuring the input voltage to be stable.
In a further embodiment, the transistor Q1, the transistor Q2, and the transistor Q3 control voltage variation, and feed back to the operational amplifier U1 and the operational amplifier U2 to ensure the stability of voltage output.
In a further embodiment, the capacitor C3 and the capacitor C4 can stabilize the voltage, and ensure the voltage output through the transistor Q1 and the transistor Q2 is stable.
In a further embodiment, the operational amplifier U1 and the operational amplifier U2 are operational amplifiers LM324, which amplify the input voltage, and output the amplified voltage to the base of the transistor Q3 through the diode D2 and the diode D3 to form a feedback circuit, so as to ensure the voltage stability.
In a further embodiment, the capacitor C10 and the capacitor C11 form a filter circuit, so as to ensure the stability of the signal.
In a further embodiment, the transformer X1 and the transformer X2 transform signals in an anti-jamming circuit, so as to ensure the signals to be stable.
In a further embodiment, the thermistor RT1 and the potentiometer VR1 can adjust filtering, so that the anti-interference effect is guaranteed.
In a further embodiment, the photoresistor LDR1 signals by detecting ambient light, and the transistor Q4 ensures that the signal output of the photoresistor LDR1 is not affected.
In a further embodiment, the transistor Q5, the transistor Q6, the transistor Q7, and the transistor Q8 amplify signals, so as to ensure that the signals transmitted by the photoresistor LDR1 are more accurate.
In a further embodiment, the diodes D5 and D6 can ensure that the current does not flow backwards, and the output is stable.
In summary, the present invention has the following advantages: the normal work of the light-operated intelligent switch working under strong electromagnetic interference is realized, the normal work of the light-operated intelligent switch under the strong electromagnetic interference is ensured, and the maximization of the power distribution benefit of each unit is realized.
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. A light-operated intelligent switch working under strong electromagnetic interference comprises a power supply management unit, an anti-interference unit and a switch control unit;
the power management unit can be mainly divided into a data recording and analyzing module and a power circuit, records and optimizes and analyzes data transmitted by each unit through the data recording and analyzing module, eliminates abnormal data and distributes power according to an analysis result;
the anti-interference unit amplifies the output voltage of the power management unit through the signal amplification module, then transmits an output voltage signal to the anti-interference module for anti-interference processing, and the anti-interference module further comprises an anti-interference circuit;
the switch control unit controls the switch to normally work through the photosensitive control circuit;
a power supply circuit, comprising a transformer TR1, a rectifier bridge BR1, a diode D1, a diode D2, a diode D3, an inductor L1, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a resistor R1, a transistor Q1, an operational amplifier U1, a first pin 1 of the transformer TR1 is connected to an input voltage, a second pin 2 of the transformer TR1 is connected to the input voltage, a first pin 3 of the transformer TR1 is connected to a first pin BR 573 3 of the rectifier bridge BR 573, and a first terminal of the rectifier bridge BR1 is connected to a first pin of the rectifier bridge BR1, and a first terminal of the rectifier bridge BR1 is connected to a first pin of, One end of the capacitor C2, one end of the resistor R1, one end of the resistor R13, one end of the capacitor C8 and one end of the capacitor C9 are all connected to an output voltage, a 4 th pin of the rectifier bridge BR1 is connected to an anode of the diode D1, a cathode of the diode D1 is connected to one end of the inductor L1, the other end of the inductor L1 is connected to the other end of the capacitor C1, the other end of the capacitor C2, the other end of the resistor R1, a collector of the transistor Q1 and a collector of the transistor Q2, a base of the transistor Q1 is connected to an emitter of the transistor Q2, an emitter of the transistor Q1 is connected to one end of the resistor R5, one end of the resistor R6 and one end of the resistor R7, the other end of the resistor R5 is connected to a VCC signal, and the other end of the resistor R6 is connected to one end of the capacitor C5, One end of the resistor R9 is connected to one end of the resistor R14, the other end of the resistor R14 is connected to one end of the capacitor C6, the other end of the resistor R7 is connected to the other end of the capacitor C5, one end of the resistor R8, the other end of the capacitor C6, one end of the resistor R10, one end of the capacitor C7, the other end of the capacitor C8, and the other end of the capacitor C9 are all connected to a zero line, a base of the transistor Q2 is connected to one end of the resistor R2 and an emitter of the transistor Q3, the other end of the resistor R2 is connected to one end of the resistor R3, one end of the capacitor C3, and one end of the capacitor C4, the other end of the resistor R3 is connected to a VCC signal, the other end of the capacitor C3 and the other end of the capacitor C4 are all grounded, a collector of the transistor Q3 is connected to one end of the resistor R4, and the other end of the resistor R4 is grounded, a base of the transistor Q3 is connected to a cathode of the diode D2 and a cathode of the diode D3, an anode of the diode D2 is connected to an output terminal of the operational amplifier U1, an inverting input terminal of the operational amplifier U1 is connected to the other end of the resistor R8, a non-inverting input terminal of the operational amplifier U1 is connected to the other end of the resistor R9, an anode of the diode D3 is connected to an output terminal of the operational amplifier U2, an inverting input terminal of the operational amplifier U2 is connected to the other end of the resistor R10, a non-inverting input terminal of the operational amplifier U2 is connected to one end of the resistor R11, the other end of the resistor R11 is connected to one end of the resistor R12 and the other end of the resistor R13, and the other end of the resistor R12 is connected to the other end of the capacitor C7;
an anti-interference circuit comprises a resistor R15, a resistor R16, a thermistor RT1, a potentiometer VR1, a capacitor C10, a capacitor C11, a capacitor C12, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, a transformer X1, a transformer X2 and an inductor L2, wherein one end of the resistor R15 is connected with one end of the capacitor C10 to output voltage, the other end of the resistor R15 is connected with one end of the thermistor RT1 and one end of the potentiometer VR1 respectively, the other end of the thermistor RT1 is connected with one end of the capacitor C12 and the 1 st pin of the transformer X1 respectively, the other end of the capacitor C10 is connected with one end of the capacitor C11 and one end of the inductor L2 to be grounded, the other end of the capacitor C11 is connected with the other end of the potentiometer VR1, the other end of the capacitor C12 and the 2 nd pin of the transformer X1, and the first pin X1 is connected with one end of the capacitor C13 respectively, One end of the resistor R16, one end of the capacitor C14, and the 1 st pin of the transformer X2 are connected, the 4 th pin of the transformer X1 is connected to the other end of the capacitor C13, the other end of the resistor R16, one end of the capacitor C15, and the 2 nd pin of the transformer X2, the other end of the capacitor C14 is connected to the other end of the inductor L2 and the other end of the capacitor C15, the 3 rd pin of the transformer X2 and one end of the capacitor C16 are connected to output signals, and the 4 th pin of the transformer X2 and the other end of the capacitor C16 are connected to anti-interference signals;
a photosensitive control circuit, which comprises a photosensitive resistor LDR1, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a resistor R22, a resistor R23, a resistor R24, a resistor R25, a resistor R26, a resistor R27, a capacitor C17, a capacitor C18, a capacitor C19, a capacitor C20, a capacitor C21, a capacitor C22, a transistor Q22, an inductor L22, a diode D22 and a relay RL 22, wherein one end of the resistor R22 is connected with one end of the capacitor C22 and one end of the RL 22, one end of the resistor R22 is connected with an anti-interference signal, and the other end of the resistor R22 is connected with one end of the capacitor C22, one end of the resistor R22, one end of the capacitor R22, one end of the resistor L22, one end of the negative electrode of the resistor R22 and one end of the emitter of the transistor R22, the other end of the capacitor C17 is connected to the other end of the capacitor C18, one end of the light-sensitive resistor LDR1, the emitter of the transistor Q4, one end of the resistor R19, one end of the capacitor C21, the emitter of the transistor Q6, the emitter of the transistor Q7, and the emitter of the transistor Q8 are all grounded, the other end of the resistor R18 is connected to the other end of the light-sensitive resistor LDR1 and the base of the transistor Q4, the collector of the transistor Q4 is connected to the other end of the capacitor C19, the other end of the inductor L3, and one end of the capacitor C20, the other end of the capacitor C20 is connected to the anode of the diode D4 and the base of the transistor Q5, the collector of the transistor Q5 is connected to the other end of the resistor R19 and one end of the resistor R20, and the other end of the resistor R20 is connected to the other end of the capacitor C21, One end of the capacitor C22 is connected to one end of the capacitor C23, the other end of the capacitor C22 is connected to the negative electrode of the diode D5 and one end of the resistor R22, the other end of the resistor R22 is connected to the other end of the resistor R21, one end of the resistor R24 and the collector of the transistor Q6, the positive electrode of the diode D5 is connected to the base of the transistor Q6 and one end of the resistor R23, the other end of the capacitor C23 is connected to the negative electrode of the diode D6 and one end of the resistor R25, the other end of the resistor R25 is connected to the other end of the resistor R26, the other end of the resistor R23, the collector of the transistor Q7 and one end of the resistor R27, the other end of the resistor R27 is connected to the base of the transistor Q8, the collector of the transistor Q8 is connected to the other end of the relay RL1, the anode of the diode D6 is connected to the other end of the resistor R24 and the base of the transistor Q7, respectively.
2. The switch of claim 1, wherein the diode D1 and the inductor L1 perform noise reduction on the rectified voltage to ensure circuit stability.
3. The optically controlled intelligent switch operating under strong electromagnetic interference of claim 1, wherein the transistor Q1, the transistor Q2 and the transistor Q3 control the voltage variation, and feed back to the operational amplifier U1 and the operational amplifier U2 to ensure the stability of the voltage output.
4. The switch of claim 1, wherein the operational amplifier U1 and the operational amplifier U2 are operational amplifiers LM324, which amplify the input voltage and output the amplified voltage to the base of the transistor Q3 through the diode D2 and the diode D3 to form a feedback circuit, so as to ensure the voltage stability.
5. The optically controlled intelligent switch operating under strong electromagnetic interference of claim 1, wherein the capacitor C10 and the capacitor C11 form a filter circuit to ensure the stability of the signal.
6. The optically controlled intelligent switch operating under strong electromagnetic interference of claim 1, wherein the transformer X1 and the transformer X2 transform signals in an anti-interference circuit to ensure signal stability.
7. The light-operated intelligent switch operating under strong electromagnetic interference of claim 1, wherein the thermistor RT1 and the potentiometer VR1 can adjust filtering to ensure anti-interference effect.
8. The optically controlled intelligent switch operating under strong electromagnetic interference of claim 1, wherein the photoresistor LDR1 sends out signal by detecting outside light, and the transistor Q4 ensures that the signal output of the photoresistor LDR1 is not affected.
9. The optically controlled intelligent switch operating under strong electromagnetic interference of claim 1, wherein the transistor Q5, the transistor Q6, the transistor Q7 and the transistor Q8 amplify signals, so as to ensure more accurate signals transmitted by the light dependent resistor LDR 1.
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