CN108770129B

CN108770129B - Acousto-optic induction intelligent lighting system

Info

Publication number: CN108770129B
Application number: CN201810735564.8A
Authority: CN
Inventors: 李永芳
Original assignee: Nanjing Institute of Railway Technology
Current assignee: Nanjing Institute of Railway Technology
Priority date: 2018-07-06
Filing date: 2018-07-06
Publication date: 2023-05-19
Anticipated expiration: 2038-07-06
Also published as: CN108770129A

Abstract

The invention discloses an acousto-optic sensing intelligent lighting system, which comprises an MCU circuit, a light sensing circuit, a sound sensing circuit, a human body sensing circuit and an LED driving circuit, wherein the light sensing circuit, the sound sensing circuit and the human body sensing circuit are all connected with the MCU circuit, and the MCU circuit is connected with the LED driving circuit; the light sensing circuit comprises an integrated circuit U1, a photoresistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an adjustable resistor R6, a capacitor C1, a capacitor C2, a light emitting diode D1 and a light emitting diode D2, wherein a pin 1 of the integrated circuit U1 is connected with the MCU circuit; the invention realizes the functions of light sensing, sound sensing and human body sensing through the light sensing circuit, the sound sensing circuit and the human body sensing circuit, and then controls the luminous tube in the LED driving circuit to illuminate through the MCU circuit, thereby having full functions, saving unnecessary electricity consumption and having novel circuit.

Description

Acousto-optic induction intelligent lighting system

Technical Field

The invention relates to the field of acousto-optic sensing intelligent illumination, in particular to an acousto-optic sensing intelligent illumination system.

Background

The human eyes distinguish the object through absorbing the object reflection light at the retina imaging, when night light is dark, the human eyes can not see the object clearly, the eyes of people can be injured by the normal brightness applied in daytime when the eyes of people are suddenly operated at night, especially infants and old people, and the infants and the old people are the most cared groups at night, meanwhile, 20% of world power is used for illumination, the traditional illumination only has two states of on and off, the environment can not be judged, even if the sunlight is sufficient in daytime, the power can be continuously utilized to emit light, and the eyes of people can be stimulated by the sudden light, so that the loss is caused. In order to avoid unnecessary electricity consumption and save energy for human beings, an intelligent illumination system capable of inducing sound and light is needed.

Disclosure of Invention

The invention aims to solve the technical problem of providing an acousto-optic induction intelligent lighting system aiming at the defects of the prior art, and the acousto-optic induction intelligent lighting system has the function of controlling a luminous tube to illuminate through light induction, sound induction and human body induction, can save unnecessary electric loss, has complete functions and is novel in circuit.

In order to achieve the technical purpose, the invention adopts the following technical scheme:

the sound-light sensing intelligent lighting system comprises an MCU circuit, a light sensing circuit, a sound sensing circuit, a human body sensing circuit and an LED driving circuit, wherein the light sensing circuit, the sound sensing circuit and the human body sensing circuit are all connected with the MCU circuit, and the MCU circuit is connected with the LED driving circuit;

the light sensing circuit comprises an integrated circuit U1, a light sensitive resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an adjustable resistor R6, a capacitor C1, a capacitor C2, a light emitting diode D1 and a light emitting diode D2, wherein one end of the light sensitive resistor R1 is connected with one end of the resistor R2, one end of the capacitor C2 and a pin 3 of the integrated circuit U1, the other end of the light sensitive resistor R1 and the other end of the capacitor C2 are both connected with ground wires, the other end of the resistor R2 is connected with a power supply, a pin 4 of the integrated circuit U1 is connected with the ground wires, a pin 8 of the integrated circuit U1 is respectively connected with one end of the power supply and one end of the capacitor C1, the other end of the capacitor C1 is connected with the ground wires, one fixed pin 2 of the integrated circuit U1 is connected with an adjusting pin of the adjustable resistor R6, the other fixed pin of the adjustable resistor R6, one end of the resistor R5, the positive electrode of the light emitting diode D1 and the positive electrode of the light emitting diode D2 are both connected with the power supply, the pin of the light emitting diode D1 is connected with the other end of the integrated circuit U1, and the other end of the integrated circuit U1 is connected with the end of the resistor R3, and the end of the integrated circuit R3 is connected with the end of the integrated circuit 3, and the end of the integrated circuit is connected with the end of the integrated circuit 3.

As a further improved technical scheme of the invention, the sound sensing circuit comprises a loudspeaker N1, an adjustable resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a triode Q1, a light emitting diode D3, a light emitting diode D4 and an integrated circuit U2, wherein one end of the loudspeaker N1, one end of the resistor R14, one end of the capacitor C3, one end of an emitter of the triode Q1 and one end of the capacitor C5 are all connected with a ground wire, the other end of the loudspeaker N1 is respectively connected with the other end of the resistor R14, one end of the resistor R11, the other end of the capacitor C3 and one end of the capacitor C4, the other end of the resistor R11, one end of the resistor R12 and one end of the resistor R13 are all connected with a power supply, the other end of the capacitor C4 is respectively connected with the other end of the resistor R12 and the base of the triode Q1, the other end of the resistor R13 is respectively connected with the collector of the triode Q1, the other end of the capacitor C5 and the pin 3 of the integrated circuit U2, the pin 4 of the integrated circuit U2 is connected with a ground wire, the pin 8 of the integrated circuit U2 is respectively connected with a power supply and one end of the capacitor C6, the other end of the capacitor C6 is connected with the ground wire, the pin 2 of the integrated circuit U2 is connected with an adjusting pin of the adjustable resistor R7, one fixed pin of the adjustable resistor R7 is connected with the ground wire, the other fixed pin of the adjustable resistor R7, one end of the resistor R8, the positive electrode of the light emitting diode D3 and the positive electrode of the light emitting diode D4 are all connected with the power supply, the negative electrode of the light emitting diode D4 is connected with one end of the resistor R10, the other end of the resistor R10 is connected with the ground wire, the negative electrode of the light emitting diode D3 is connected with one end of the resistor R9, the other end of the resistor R9 and the other end of the resistor R8 are both connected with the pin 1 of the integrated circuit U2, pin 1 of the integrated circuit U2 is connected with the MCU circuit, and the integrated circuit U2 adopts a chip LM393.

As a further improved technical scheme of the invention, the human body induction circuit comprises a pyroelectric sensor PIR1, a processing chip BISS0001 and a voltage stabilizing chip 7133-1, wherein one end of a resistor R15 is connected with the input end of the pyroelectric sensor PIR1, one end of a photo diode CD1 is connected with one end of a resistor R16 and one end of a capacitor C8 respectively, the other end of the resistor R16 is connected with a pin 3 of the voltage stabilizing chip 7133-1, one end of a capacitor C7 is connected with the signal output end of the pyroelectric sensor PIR1, one end of a resistor R18 and one end of a resistor R23 respectively, the other end of the resistor R23 is connected with a pin 14 of the processing chip BISS0001, one end of a resistor R17 is connected with one end of a resistor R9, the other end of the resistor R17 is connected with one end of a photo diode CD1, one end of the processing chip BISS0001 is connected with one end of a resistor R26, the other end of the resistor R11 and 8 are connected with one end of a resistor C3 of the voltage stabilizing chip 0001, one end of a resistor C0001 is connected with a resistor C12, one end of a resistor R12 is connected with an adjustable resistor R22, one end of a resistor R20 is connected with one end of a resistor R12, and one end of a resistor C20 is connected with a resistor C20, and one end of a resistor C20 is connected with one end of a resistor R12, and one end of a resistor C20 is connected with a resistor C12, the resistor C12 is connected with one end of R12 is connected with a resistor C12, and one end of R20 is connected with the resistor C20, and one end of C20 is connected with the resistor C12 One end of a resistor R25, one end of a capacitor C14 and a pin 15 of a processing chip BISS0001, the other end of the resistor R25 is connected with the positive electrode of the capacitor C13, the other end of the capacitor C14 is connected with one end of the capacitor C15, the grounding end of the pyroelectric sensor PIR1, the other end of the capacitor C7, the other end of the resistor R18, the negative electrode of the capacitor C8, the other end of the photodiode CD1, the negative electrode of the capacitor C13, the other end of the capacitor C15, the other end of the resistor R26 and the pin 7 of the processing chip BISS0001 are all connected with a ground wire, the pin 6 of the processing chip BISS0001 is connected with one end of the resistor R27, the other end of the resistor R27 is connected with a pin 5 of the processing chip BISS0001 and one end of the capacitor C17, the pin 4 of the processing chip BISS0001 is connected with a fixed pin of the resistor R29, an adjusting pin of the resistor R29 and one end of the capacitor C16, the processing chip BISS0001 is characterized in that the pin 3 is connected with one end of a resistor R28, the other end of the resistor R28 is connected with the other fixed pin of the resistor R29, the pin 2 of the processing chip BISS0001 is connected with one end of a resistor R30, the pin 1 of the processing chip BISS0001 is connected with the pin 2 of a jumper cap JP1, the pin 3 of the jumper cap JP1 is connected with the pin 3 of a voltage stabilizing chip 7133-1, the pin 3 of the voltage stabilizing chip 7133-1 is connected with the positive electrode of a capacitor C18, the pin 1 of the jumper cap JP1, the other end of a capacitor C16, the other end of a capacitor C17, the negative electrode of the capacitor C18 and the pin 1 of the voltage stabilizing chip 7133-1 are connected with the ground wire, the pin 2 of the voltage stabilizing chip 7133-1 is connected with the negative electrode of a diode D5, the positive electrode of the diode D5 is connected with a power supply, and the other end of the resistor R30 is connected with an MCU circuit.

As a further improved technical scheme of the invention, the MCU circuit comprises a chip MC30P30, a capacitor C19 and a resistor R31, wherein a pin 1 of the chip MC30P30 is respectively connected with one end of the resistor R31 and one end of the capacitor C19, the other end of the resistor R31 is connected with a power supply, the other end of the capacitor C19 is connected with a ground wire, a pin 3 of the chip MC30P30 is connected with a pin 1 of an integrated circuit U2 in the sound sensing circuit, a pin 8 of the chip MC30P30 is connected with a ground wire, a pin 7 of the chip MC30P30 is connected with one end of the resistor R30 in the human body sensing circuit, a pin 6 of the chip MC30P30 is connected with a pin 1 of the integrated circuit U1 in the light sensing circuit, and a pin 5 of the chip MC30P30 is connected with the LED driving circuit.

As a further improved technical scheme of the invention, the LED driving circuit comprises a chip SL8731 and a light emitting tube LED1, the pin 1 of the chip SL8731 is connected with a ground wire, the pin 2 of the chip SL8731 is respectively connected with one end of a resistor R32 and one end of a capacitor C20, the other end of the capacitor C20 is connected with the ground wire, the other end of the resistor R32 is respectively connected with one end of a resistor R34, one end of a resistor R35 and the S pole of a MOS transistor Q2, the pin 4 of the chip SL8731 is respectively connected with one end of a resistor R33 and the G pole of the MOS transistor Q2, the other end of the resistor R33, the other end of the resistor R34 and the other end of the resistor R35 are all connected with the ground wire, the pin 5 of the chip SL8731 is connected with the pin 5 of a chip MC30P30 and one end of a resistor R36 in the MCU circuit, the D pole of the MOS transistor Q2 is connected with the cathode of the light emitting tube LED1, one end of the capacitor C21 and one end of the resistor R37, and the other end of the light emitting tube 1, the other end of the resistor R36 and the other end of the capacitor C21 are all connected with a power supply.

The beneficial effects of the invention are as follows: the invention realizes the functions of light sensing, sound sensing and human body sensing through the light sensing circuit, the sound sensing circuit and the human body sensing circuit, thereby controlling the luminous tube in the LED driving circuit to illuminate through the MCU circuit, saving unnecessary electricity consumption, having complete functions and novel circuit.

Drawings

Fig. 1 is a schematic block diagram of the circuit of the present invention.

Fig. 2 is a schematic diagram of a photo-sensing circuit according to the present invention.

Fig. 3 is a schematic diagram of the sound sensing circuit of the present invention.

Fig. 4 is a schematic diagram of a human body sensing circuit according to the present invention.

Fig. 5 is a schematic diagram of the MCU circuit and the LED driving circuit according to the present invention.

Fig. 6 is a flow chart of the operation of the present invention.

Detailed Description

The following further describes embodiments of the present invention with reference to fig. 1 to 6:

referring to fig. 1, an acousto-optic sensing intelligent lighting system comprises an MCU circuit, a light sensing circuit, a sound sensing circuit, a human body sensing circuit and an LED driving circuit, wherein the light sensing circuit, the sound sensing circuit and the human body sensing circuit are all connected with the MCU circuit, and the MCU circuit is connected with the LED driving circuit.

Referring to fig. 2, the photoinduction circuit comprises an integrated circuit U1, a photoresistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an adjustable resistor R6, a capacitor C1, a capacitor C2, a light emitting diode D1 and a light emitting diode D2, wherein one end of the photoresistor R1 is connected with one end of the resistor R2, one end of the capacitor C2 and a pin 3 of the integrated circuit U1, the other end of the photoresistor R1 and the other end of the capacitor C2 are both connected with ground wires, the other end of the resistor R2 is connected with a power supply, a pin 4 of the integrated circuit U1 is connected with the ground wires, a pin 8 of the integrated circuit U1 is respectively connected with one end of the power supply and the capacitor C1, the other end of the capacitor C1 is connected with the ground wires, one fixed pin of the adjustable resistor R6 is connected with the ground wires, the other fixed pin of the adjustable resistor R6, one end of the resistor R5, the positive electrode of the light emitting diode D1 and the positive electrode of the light emitting diode D2 are both connected with the power supply, the other end of the light emitting diode D2 is connected with the ground wires, the other end of the integrated circuit U1 is connected with the other end of the resistor R3 and the integrated circuit R1 is connected with the other end of the resistor R3, and the other end of the integrated circuit R1 is connected with the other end of the resistor R3 is connected with the integrated circuit 3.

Circuit principle of photo-sensing circuit: the external power supply VCC provides input voltage for the chip LM393 and the whole circuit, the range is 3-36V, and C1 is a power supply input filter capacitor; r6 is an adjustable resistor, and the IN output voltage is 1V by adjusting the resistance value; the photoresistor R1 and the resistor R2 form a voltage dividing circuit, when the photoresistor R1 receives light, the resistor becomes smaller, V (AC) =VCC is the photoresistor R1/(photoresistor R1+R2), when V (AC) < V (IN) (1V), the photoinduction input and output low level, the signal is sent to the MCU circuit, C2 is V (AC) input filter capacitance, wherein V (AC) represents the voltage value of AC IN FIG. 2, V (IN) represents the voltage value of IN IN FIG. 2, D1 is a power supply indication LED, power supply display, R3 is a current limiting resistor, D2 is a working signal LED, after the photoresistor R1 works, the luminous prompt, R5 is an OUT signal pull-up resistor, P1 IN FIG. 2 is a connector, pin 1 (AC) of the connector P1 is a photoresistor voltage dividing signal, pin 2 of the connector P1 is a photoinduction input, after light is received, the output low level, at ordinary times is high level, pin 3 (GND) of the connector P1 is grounded, pin 4 (VCC) of the connector P1 is a voltage value of AC IN the whole power supply circuit, pin 2 is a voltage value of the power supply LED, and the voltage dividing circuit is connected with a voltage dividing circuit of the LM3 chip of the LM 2 chip is used for determining whether the voltage dividing circuit is connected with the input end 393 3 chip of the chip is used for the voltage dividing circuit of 393 3, the chip is connected with the voltage dividing circuit of the 393 3 chip, the end 3933, the voltage dividing circuit is used for the 393 chip is used for the input to the 393, the voltage dividing circuit, the voltage is used for the input to the 3 chip, the input 3 is the 3, the input is the input, and the input is the input 3 is the input, and the input.

Referring to fig. 3, the sound sensing circuit includes a horn N1, an adjustable resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a triode Q1, a light emitting diode D3, a light emitting diode D4, and an integrated circuit U2, wherein one end of the horn N1, one end of the resistor R14, one end of the capacitor C3, an emitter of the triode Q1, and one end of the capacitor C5 are all connected to a ground wire, the other end of the horn N1 is connected to one end of the resistor R14, one end of the resistor R11, the other end of the capacitor C3, and one end of the capacitor C4, the other end of the resistor R11, one end of the resistor R12, one end of the other end of the resistor C4, the other end of the resistor R12, and the base of the triode Q1 are respectively connected, the other end of the resistor C4, the other end of the resistor C3, the other end of the resistor C5, the pin of the integrated circuit U2, the pin 3, the pin of the integrated circuit U2, the pin of the resistor C2, the pin of the integrated circuit, the pin of the resistor C2, and one end of the other end of the resistor R7, and one end of the resistor R7 are respectively, and one end of the resistor R3, and one end of the resistor 3 are connected to the ground wire, respectively, and the end of the other end of the resistor base electrode, pin 1 of the integrated circuit U2 is connected with the MCU circuit, and the integrated circuit U2 adopts a chip LM393.

Referring to fig. 3, the circuit principle of the sound sensing circuit is as follows: the external power supply VCC provides input voltage for the chip LM393 and the whole circuit, the range is 3-36V, C6 is a power supply input filter capacitor, R7 is an adjustable resistor, and the IN output voltage is 1V by adjusting the resistance value; the loudspeaker N1 changes the sound signal into an electric signal, the signal is an alternating current signal, the triode Q1 is driven after being blocked by C4, C5 is a sound electric signal filter capacitor, R11 and R14 are divided to provide direct current potential for the triode Q1, at the moment, Q1 works in an amplifying state, when the sound signal becomes strong, the generated electric signal is strong enough, the Vc potential of the Q1 is higher than 1V, and the sound induction input is changed into low level to MC30P30; r13 is a voltage dividing resistor of Q1, and R12 is a direct current driving resistor; d4 is a power indication LED, power supply display, R10 is a current limiting resistor; d3 is an operating signal LED, and when there is sound, the light is emitted, R9 is a current limiting resistor, and R8 is an OUT signal pull-up resistor. In fig. 3, P2 is a connector, pin 1 of the connector P2 is a sound sensing input, pin 2 of the connector P2 is grounded, pin 3 of the connector P2 is connected to a power supply of the whole circuit, in fig. 3, the integrated circuit U2 adopts a chip LM393, and pin 1 (sound sensing input) of the chip LM393 is connected to a chip MC30P30 in the MCU circuit to determine whether there is sound; pin 2 of chip LM393 is used for inputting bleeder circuit 1V, and pin 3 of chip LM393 is used for inputting triode Q1 and changes the bleeder voltage, and 3-36V range input is connected to pin 8 of chip LM393, and pin 4 of chip LM393 is grounded.

Referring to fig. 4, the human body sensing circuit comprises a pyroelectric sensor PIR1, a processing chip BISS0001 and a voltage stabilizing chip 7133-1, wherein the input end of the pyroelectric sensor PIR1 is connected with one end of a resistor R15, the other end of the resistor R15 is respectively connected with one end of a resistor R16 and the positive electrode of a capacitor C8, the other end of the resistor R16 is connected with a pin 3 of the voltage stabilizing chip 7133-1, the signal output end of the pyroelectric sensor PIR1 is respectively connected with one end of a capacitor C7, one end of a resistor R18 and one end of a resistor R23, the other end of the resistor R23 is connected with a pin 14 of the processing chip BISS0001, a pin 9 of the processing chip BISS0001 is connected with one end of a resistor R17, the other end of the resistor R17 is connected with one end of a photodiode CD1, a 0001 pin 10 of the processing chip BISS is connected with one end of a resistor R26, a pin 11 and a pin 8 of the processing chip BISS are both connected with a pin 3 of the voltage stabilizing chip 7133-1, the pin 12 of the processing chip BISS0001 is connected with a fixed pin of an adjustable resistor R22, an adjusting pin of the adjustable resistor R22 and one end of a capacitor C12, the other fixed pin of the adjustable resistor R22 is connected with one end of a resistor R21, the other end of the resistor R21 is respectively connected with the other end of the capacitor C12 and the pin 13 of the processing chip BISS0001, the pin 13 of the processing chip BISS0001 is connected with one end of a resistor R20, the other end of the resistor R20 is connected with one end of a resistor R19 and one end of a capacitor C10, the other end of the resistor R19 and the other end of the capacitor C10 are both connected with the positive electrode of a capacitor C9, the negative electrode of the capacitor C9 is connected with one end of a resistor R24, one end of a capacitor C11 and the pin 16 of the processing chip BISS0001, the other end of the resistor R24 is connected with the other end of a capacitor C11, one end of a resistor R25, one end of a capacitor C14 and a pin 15 of a processing chip BISS0001, the other end of a resistor R25 is connected with the positive electrode of the capacitor C13, the other end of the capacitor C14 is connected with one end of the capacitor C15, the grounding end of the pyroelectric sensor PIR1, the other end of the capacitor C7, the other end of a resistor R18, the negative electrode of the capacitor C8, the other end of a photodiode CD1, the negative electrode of the capacitor C13, the other end of the capacitor C15, the other end of the resistor R26 and the pin 7 of the processing chip BISS0001 are all connected with a ground wire, the pin 6 of the processing chip BISS0001 is connected with one end of a resistor R27, the other end of the resistor R27 is connected with the pin 5 of the processing chip BISS0001 and one end of the capacitor C17, the pin 4 of the processing chip BISS0001 is connected with a fixed pin of a resistor R29, an adjusting pin of the resistor R29 and one end of the capacitor C16, the processing chip BISS0001 is characterized in that the pin 3 is connected with one end of a resistor R28, the other end of the resistor R28 is connected with the other fixed pin of the resistor R29, the pin 2 of the processing chip BISS0001 is connected with one end of a resistor R30, the pin 1 of the processing chip BISS0001 is connected with the pin 2 of a jumper cap JP1, the pin 3 of the jumper cap JP1 is connected with the pin 3 of a voltage stabilizing chip 7133-1, the pin 3 of the voltage stabilizing chip 7133-1 is connected with the positive electrode of a capacitor C18, the pin 1 of the jumper cap JP1, the other end of a capacitor C16, the other end of a capacitor C17, the negative electrode of the capacitor C18 and the pin 1 of the voltage stabilizing chip 7133-1 are connected with the ground wire, the pin 2 of the voltage stabilizing chip 7133-1 is connected with the negative electrode of a diode D5, the positive electrode of the diode D5 is connected with a power supply, and the other end of the resistor R30 is connected with an MCU circuit.

Referring to fig. 4, the principle of operation of the human body sensing circuit is: the external power supply VCC provides input voltage for the voltage stabilizing chip (IC 1) 7133-1, the range is 5-36V, the voltage stabilizing chip 7133-1 is a fixed output VOUT, the output voltage is 5V, the PIR1 is a pyroelectric sensor, human infrared signals are absorbed, electric signals are output, the BISS0001 is a signal amplification calculation logic IC, and the amplification factor of the electric signals is adjusted through peripheral circuit arrangement. Pin 1 (GND) of the voltage stabilizing chip 7133-1 is grounded, pin 2 (VIN) of the voltage stabilizing chip 7133-1 is used for inputting voltage signals in the range of 5-36V, pin 3 (VOUT) of the voltage stabilizing chip 7133-1 outputs 5V, pin 1 (VIN) of the pyroelectric sensor PIR1 is used for inputting voltage in the range of 1-3V, pin 2 of the pyroelectric sensor PIR1 is used for outputting infrared signal to electrical signal, pin 3 (GND) of the pyroelectric sensor PIR1 is grounded, pin 1 (A) of the processing chip BISS0001 is a repeatable triggering and unrepeatable triggering selection end, and when A is 1, repeated triggering is allowed; conversely, the pin 1 of the processing chip BISS0001 is connected with the jumper cap JP1, when the pin 2 of the jumper cap JP1 is connected with the pin 1, namely the pin 1 of the processing chip BISS0001 is conducted with the ground wire, the processing chip BISS0001 can work in a pulse mode, and the working time can be set when the processing chip BISS0001 detects once; when pin 2 and pin 3 of jumper cap JP1 are connected, i.e., pin 1 of processing chip BISS0001 turns on pin 3 (VOUT) of voltage regulator chip 7133-1, processing chip BISS0001 can continue to operate as long as it is detected once. Pin 2 (OUT) of the processing chip bis0001 is a control signal output terminal, a signal is sent to the chip MC30P30 through the resistor R30, pin 3 (TR) of the processing chip bis0001 is an adjustment terminal of the output delay time Tx, pin 4 (TC) of the processing chip bis0001 is an adjustment terminal of the output delay time Tx, pin 5 (ENC) of the processing chip bis0001 is an adjustment terminal of the trigger lockout time Ti, pin 6 (ENR) of the processing chip bis0001 is an adjustment terminal of the trigger lockout time Ti, pin 7 of the processing chip bis0001 is grounded, and pin 8 (VRF/R) of the processing chip bis0001 is a reference voltage and reset input terminal; normally connected with VDD, when connected with '0', the timer can be reset, and the pin 9 (INH) of the processing chip BISS0001 is used as a trigger forbidden end; disabling triggering when Vc < VR; triggering is allowed when Vc > VR (VR≡0.2 VDD). Pin 10 (AFI) of processing chip BISS0001 is an operational amplifier bias current setting terminal, pin 11 of processing chip BISS0001 is used for power input, pin 12 of processing chip BISS0001 is an operational amplifier bias current setting terminal, pin 13 of processing chip BISS0001 is an operational amplifier bias current setting terminal, pin 14 of processing chip BISS0001 is a non-inverting input terminal of a first stage operational amplifier, pin 15 of processing chip BISS0001 is an inverting input terminal of the first stage operational amplifier, and pin 16 of processing chip BISS0001 is an output terminal of the first stage operational amplifier.

Referring to fig. 5, the MCU circuit includes a chip MC30P30, a capacitor C19 and a resistor R31, where a pin 1 of the chip MC30P30 is connected to one end of the resistor R31 and one end of the capacitor C19, the other end of the resistor R31 is connected to a power supply, the other end of the capacitor C19 is connected to a ground wire, a pin 3 of the chip MC30P30 is connected to a pin 1 of an integrated circuit U2 in the sound sensing circuit, a pin 8 of the chip MC30P30 is connected to a ground wire, a pin 7 of the chip MC30P30 is connected to one end of the resistor R30 in the human body sensing circuit, a pin 6 of the chip MC30P30 is connected to a pin 1 of the integrated circuit U1 in the light sensing circuit, and a pin 5 of the chip MC30P30 is connected to the LED driving circuit.

Referring to fig. 5, the LED driving circuit includes a chip SL8731 and a light emitting diode LED1, a pin 1 of the chip SL8731 is connected with a ground wire, a pin 2 of the chip SL8731 is connected with one end of a resistor R32 and one end of a capacitor C20, the other end of the capacitor C20 is connected with the ground wire, the other end of the resistor R32 is connected with one end of a resistor R34, one end of a resistor R35 and an S pole of a MOS transistor Q2, a pin 4 of the chip SL8731 is connected with one end of a resistor R33 and a G pole of the MOS transistor Q2, the other end of the resistor R33, the other end of the resistor R34 and the other end of the resistor R35 are connected with the ground wire, a pin 5 of the chip SL8731 is connected with a pin 5 of a chip MC30P30 and one end of a resistor R36 in the MCU circuit, the D pole of the MOS transistor Q2 is connected with a cathode of the light emitting diode LED1, one end of a capacitor C21 and one end of a resistor R37, and the other ends of the resistor R37 and the other ends of the light emitting diode 1 and the capacitor C21 are connected with a power supply.

Circuit working principles of MCU circuit and LED driving circuit: the external power supply VCC provides an input voltage to pin 3 of (U4) SL8731 in the range of 5-36V, SL8731 determines the working state according to the PWM signal obtained by MC30P30, the PWM is high level, SL8731 is working, the PWM is low level, and SL8731 stops working. After SL8731 works, 4 th pin DRIVE DRIVEs MOS tube Q2, LED1 starts working after Q2 is conducted, R34 and R35 are current sampling resistors, when the voltages at two ends of R34 and R35 exceed 0.1V, SL8731 enters overcurrent protection, and stops working until the voltages at two ends of R34 and R35 are lower than 0.1V, R32 and C20 are RC filter circuits, clutter of current sampling signals is eliminated, R33 is a bleeder resistor of MOS tube Q2, C21 and R37 form RC absorption resistor, VDS reverse voltage of MOS tube Q2 is absorbed; MC30P30 is 8 bit MCU, according to sound induction input, human body induction input, light induction input signal, decides PWM's operating condition, when inducting arbitrary signal, PWM outputs high level, SL8731 works, drives MOS pipe Q2, Q2 and switches on the back luminotron LED1 and begins working. Wherein, pin 1 of the SL8731 is grounded, pin 2 of the SL8731 is used for current feedback, 0.1V protection point, pin 3 of the SL8731 is used for voltage input, pin 4 of the SL8731 is a driving output terminal, pin 5 of the SL8731 is an enabling terminal, and high level driving is performed.

Referring to fig. 6, a workflow diagram of the present embodiment is shown, and the specific workflow is: 1. and (3) judging the ambient light process: a photoresistor R1 in the photoinduction circuit detects the ambient light intensity, sends a signal to the MCU circuit for judgment, and if the ambient light intensity is daytime or the ambient brightness is present, the luminous tube LED1 is in a dormant state and does not work; when no ambient light exists, the luminous tube LED1 works, the sound sensing circuit and the human body sensing circuit respectively detect whether sound and human body sensing signals exist on the periphery, the sound and the human body sensing signals are uploaded to the MCU circuit, and if the MCU circuit receives the sound or the human body sensing signals, the MCU circuit starts to drive the LED to work. And (3) repeatedly cycling: after the LED1 works for 1 minute, the MCU circuit controls the LED1 to stop working, and the judgment process is repeated.

The scope of the present invention includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the invention.

Claims

1. An acousto-optic sensing intelligent lighting system, which is characterized in that: the LED driving circuit comprises an external power supply VCC, an MCU circuit, a light sensing circuit, a sound sensing circuit, a human body sensing circuit and an LED driving circuit, wherein the light sensing circuit, the sound sensing circuit and the human body sensing circuit are all connected with the MCU circuit, and the MCU circuit is connected with the LED driving circuit;

the light sensing circuit comprises an integrated circuit U1, a light sensitive resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, an adjustable resistor R6, a capacitor C1, a capacitor C2, a light emitting diode D1 and a light emitting diode D2, wherein one end of the light sensitive resistor R1 is connected with one end of the resistor R2, one end of the capacitor C2 and a pin 3 of the integrated circuit U1, the other end of the light sensitive resistor R1 and the other end of the capacitor C2 are both connected with ground wires, the other end of the resistor R2 is connected with a power supply, a pin 4 of the integrated circuit U1 is connected with the ground wires, a pin 8 of the integrated circuit U1 is respectively connected with one end of the power supply and one end of the capacitor C1, the other end of the capacitor C1 is connected with the ground wires, a pin 2 of the integrated circuit U1 is connected with an adjusting pin of the adjustable resistor R6, one fixed pin of the adjustable resistor R6 is connected with the ground wires, the other fixed pin of the other end of the resistor R6, the positive electrode of the light emitting diode D1 and the positive electrode of the light emitting diode D2 are both connected with the power supply, the other end of the integrated circuit U1 is connected with the other end of the integrated circuit U3, and the other end of the integrated circuit U1 is connected with the resistor R3, and the other end of the integrated circuit is connected with the end of the integrated circuit 3 is connected with the end of the resistor 3, and the end of the integrated circuit 3 is connected with the integrated circuit 3;

the sound sensing circuit comprises a loudspeaker N1, an adjustable resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a triode Q1, a light emitting diode D3, a light emitting diode D4 and an integrated circuit U2, wherein one end of the loudspeaker N1, one end of the resistor R14, one end of the capacitor C3, an emitter of the triode Q1 and one end of the capacitor C5 are all connected with a ground wire, the other end of the loudspeaker N1 is respectively connected with the other end of the resistor R14, one end of the resistor R11, the other end of the capacitor C3 and one end of the capacitor C4, one end of the resistor R11, the other end of the resistor R12 and one end of the resistor R13 are respectively connected with the other end of the resistor R12 and a base of the triode Q1, the other end of the resistor R13 is respectively connected with a collector of the triode Q1, the other end of the capacitor C5 and a pin 3 of the integrated circuit U2, the pin 4 of the integrated circuit U2 is connected with the ground wire, the pin 8 of the integrated circuit U2 is respectively connected with a power supply and one end of a capacitor C6, the other end of the capacitor C6 is connected with the ground wire, the pin 2 of the integrated circuit U2 is connected with an adjusting pin of an adjustable resistor R7, one fixed pin of the adjustable resistor R7 is connected with the ground wire, the other fixed pin of the adjustable resistor R7, one end of the resistor R8, the anode of a light emitting diode D3 and the anode of the light emitting diode D4 are all connected with the power supply, the cathode of the light emitting diode D4 is connected with one end of a resistor R10, the other end of the resistor R10 is connected with the ground wire, the cathode of the light emitting diode D3 is connected with one end of a resistor R9, the other end of the resistor R9 and the other end of the resistor R8 are both connected with the pin 1 of the integrated circuit U2, the pin 1 of the integrated circuit U2 is connected with an MCU circuit, the integrated circuit U2 adopts a chip LM393;

the external power supply VCC provides an input voltage to the chip LM393, and the range is 3-36V;

the human body induction circuit comprises a pyroelectric sensor PIR1, a processing chip BISS0001 and a voltage stabilizing chip 7133-1, wherein the input end of the pyroelectric sensor PIR1 is connected with one end of a resistor R15, the other end of the resistor R15 is respectively connected with one end of a resistor R16 and the positive electrode of a capacitor C8, the other end of the resistor R16 is connected with a pin 3 of the voltage stabilizing chip 7133-1, the signal output end of the pyroelectric sensor PIR1 is respectively connected with one end of a capacitor C7, one end of a resistor R18 and one end of a resistor R23, the other end of the resistor R23 is connected with a pin 14 of the processing chip BISS0001, a pin 9 of the processing chip BISS0001 is connected with one end of a resistor R17, the other end of the resistor R17 is connected with one end of a photodiode CD1, a pin 10 of the processing chip BISS0001 is connected with one end of a resistor R26, a pin 11 and a pin 8 of the processing chip BISS0001 are both connected with a pin 3 of the voltage stabilizing chip 7133-1, the pin 12 of the processing chip BISS0001 is connected with a fixed pin of an adjustable resistor R22, an adjusting pin of the adjustable resistor R22 and one end of a capacitor C12, the other fixed pin of the adjustable resistor R22 is connected with one end of a resistor R21, the other end of the resistor R21 is respectively connected with the other end of the capacitor C12 and the pin 13 of the processing chip BISS0001, the pin 13 of the processing chip BISS0001 is connected with one end of a resistor R20, the other end of the resistor R20 is connected with one end of a resistor R19 and one end of a capacitor C10, the other end of the resistor R19 and the other end of the capacitor C10 are both connected with the positive electrode of a capacitor C9, the negative electrode of the capacitor C9 is connected with one end of a resistor R24, one end of a capacitor C11 and the pin 16 of the processing chip BISS0001, the other end of the resistor R24 is connected with the other end of the capacitor C11, one end of the capacitor C14 and the pin 15 of the processing chip BISS0001, the other end of the resistor R25 is connected with the positive electrode of the capacitor C13, the other end of the capacitor C14 is connected with one end of the capacitor C15, the grounding end of the pyroelectric sensor PIR1, the other end of the capacitor C7, the other end of the resistor R18, the negative electrode of the capacitor C8, the other end of the photodiode CD1, the negative electrode of the capacitor C13, the other end of the capacitor C15, the other end of the resistor R26 and the pin 7 of the processing chip BISS0001 are all connected with the ground wire, the pin 6 of the processing chip BISS0001 is connected with one end of the resistor R27, the other end of the resistor R27 is connected with the pin 5 of the processing chip BISS0001 and one end of the capacitor C17, the pin 4 of the processing chip BISS0001 is connected with one fixed pin of the resistor R29, the regulation pin of the resistor R29 and one end of the capacitor C16, the pin 3 of the processing chip BISS is connected with one end of the resistor R28, the other fixed pin of the other end of the resistor R28 is connected with the other fixed pin of the resistor R29, the one end of the processing chip BISS0001 is connected with the other end of the resistor R30, the jumper wire is connected with the pin 1-C1, the jumper wire is connected with the other end of the resistor C1, the other end of the resistor C18 is connected with the resistor C1, the other end of the resistor C1-C1 and the resistor C1, the other end of the resistor C1 is connected with the resistor C1, the resistor C1 and the other end 3, the resistor C1 and the resistor C1.

2. The acousto-optic sensing intelligent lighting system of claim 1, wherein: the MCU circuit comprises a chip MC30P30, a capacitor C19 and a resistor R31, wherein a pin 1 of the chip MC30P30 is connected with one end of the resistor R31 and one end of the capacitor C19 respectively, the other end of the resistor R31 is connected with a power supply, the other end of the capacitor C19 is connected with a ground wire, a pin 3 of the chip MC30P30 is connected with a pin 1 of an integrated circuit U2 in the sound sensing circuit, a pin 8 of the chip MC30P30 is connected with a ground wire, a pin 7 of the chip MC30P30 is connected with one end of the resistor R30 in the human body sensing circuit, a pin 6 of the chip MC30P30 is connected with a pin 1 of the integrated circuit U1 in the light sensing circuit, and a pin 5 of the chip MC30P30 is connected with the LED driving circuit.

3. An acousto-optic sensing intelligent lighting system according to any one of claims 1 to 2, wherein: the LED driving circuit comprises a chip SL8731 and a light emitting diode LED1, wherein a pin 1 of the chip SL8731 is connected with a ground wire, a pin 2 of the chip SL8731 is respectively connected with one end of a resistor R32 and one end of a capacitor C20, the other end of the capacitor C20 is connected with the ground wire, the other end of the resistor R32 is respectively connected with one end of a resistor R34, one end of a resistor R35 and the S pole of a MOS tube Q2, a pin 4 of the chip SL8731 is respectively connected with one end of a resistor R33 and the G pole of the MOS tube Q2, the other end of the resistor R33, the other end of the resistor R34 and the other end of the resistor R35 are all connected with the ground wire, a pin 5 of a chip MC30P30 in the MCU circuit and one end of a resistor R36 are connected with the D pole of the MOS tube Q2, the negative pole of the LED1, one end of the capacitor C21 and one end of the resistor R37 are all connected with a power supply.