CN105407579A - Multi-circuit intelligent optical control system for LED (Light Emitting Diode) lamp - Google Patents

Multi-circuit intelligent optical control system for LED (Light Emitting Diode) lamp Download PDF

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Publication number
CN105407579A
CN105407579A CN201510960245.3A CN201510960245A CN105407579A CN 105407579 A CN105407579 A CN 105407579A CN 201510960245 A CN201510960245 A CN 201510960245A CN 105407579 A CN105407579 A CN 105407579A
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China
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pole
resistance
diode
triode
polar capacitor
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CN201510960245.3A
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Chinese (zh)
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李云粉
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成都飞凯瑞科技有限公司
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Priority to CN201510960245.3A priority Critical patent/CN105407579A/en
Publication of CN105407579A publication Critical patent/CN105407579A/en

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
    • H05B45/00Circuit arrangements for operating light emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light

Abstract

The invention discloses a multi-circuit intelligent optical control system for an LED (Light Emitting Diode) lamp. The system is characterized by mainly comprising a central processing unit, an infrared probe, a photosensitive sensor, a data storage device, an alarm, a power supply and an LED lamp which are all connected to the central processing unit, a signal conversion and amplification circuit which is connected between the photosensitive sensor and the central processing unit in series, an integrated voltage stabilizing circuit which is connected between the power supply and the central processing unit in series, and an infrared signal processing circuit which is connected between the infrared probe and the central processing unit in series. According to the intelligent optical control system for the LED lamp, automatic brightness adjustment is realized through the LED table lamp, a distance between a user and a table lamp is accurately controlled, and the LED table lamp is automatically closed when no one else is around, so that the electric energy is greatly saved, the useful life of the LED table lamp is fully prolonged, and the use cost is reduced.

Description

The multicircuit intelligent light-controlled system of a kind of LED

Technical field

The present invention relates to the technical field of electronic equipment, specifically refer to the multicircuit intelligent light-controlled system of a kind of LED.

Background technology

The normally fixing light of the LED desk lamp used in existing family, by user's hand control switch, this LED desk lamp cannot regulate brightness, when dark, user can feel insufficient light, can feel again that when light is stronger light is excessively bright, the deficiency of light all likely damages human eye with excessively bright.Meanwhile, if user use eyes from light too close to, also can damage human eye.

At present, some desk lamp can by the brightness of user's manual adjustments light, and user can the LED desk lamp light that is applicable to of the different adjustment of environmentally brightness, but the brightness of user's manual adjustments is also inaccurate.And user usually can forget closedown desk lamp when leaving, and wastes electric energy greatly.Therefore, research and develop and a kind ofly automatically can regulate the brightness of light, automatically shut down, and the intelligent desk lamp of the distance of user and desk lamp can be controlled, just become the present task of top priority.

Summary of the invention

The object of the invention is to overcome the brightness that LED desk lamp of the prior art can not regulate light automatically, automatically can not close, and the defect of the distance of user and desk lamp can not be controlled, the invention provides the multicircuit intelligent light-controlled system of a kind of LED.

The present invention is achieved through the following technical solutions: the multicircuit intelligent light-controlled system of a kind of LED, primarily of central processing unit, infrared probe, the light sensor be all connected with central processing unit, data storage, alarm, power supply and LED, be serially connected in the signal converter amplifier circuit between light sensor and central processing unit, be serially connected in the integrated stable voltage circuit between power supply and central processing unit, and be serially connected in the infrared signal processing circuit composition between infrared probe and central processing unit.

Described signal converter amplifier circuit is by conversion chip U1, amplifier P3, positive pole is connected with the COV pin of conversion chip U1 after resistance R23, negative pole is as the input of signal converter amplifier circuit and the polar capacitor C11 be connected with light sensor, N pole is connected with the THRE pin of conversion chip U1, the diode D11 that P pole is connected with the positive pole of polar capacitor C11 after resistance R22, one end is connected with the P pole of diode D11, the resistance R24 that the other end is connected with the VS pin of conversion chip U1, positive pole is connected with the CR pin of conversion chip U1, the polar capacitor C12 of minus earth, positive pole is connected with the RC pin of conversion chip U1 after resistance R25, negative pole is in turn through polar capacitor C14 that resistance R27 is connected with the output of amplifier P3 after resistance R29, P pole is connected with the COM pin of conversion chip U1, the diode D12 that N pole is connected with the positive pole of amplifier P3, positive pole is connected with the FC pin of conversion chip U1, the polar capacitor C13 that negative pole is connected with the N pole of diode D12 after resistance R26, one end is connected with the N pole of diode D12, the adjustable resistance R28 that the other end is connected with the tie point of resistance R29 with resistance R27, and P pole is connected with the N pole of diode D12, the diode D13 that N pole is connected with the output of amplifier P3 forms, the GND pin ground connection of described conversion chip U1, the minus earth of described amplifier P3, the tie point of described adjustable resistance R28 and resistance R29 as signal converter amplifier circuit output and be connected with central processing unit.

Described integrated stable voltage circuit is by voltage stabilizing chip U, triode VT4, triode VT5, diode D6, voltage stabilizing didoe D8, N pole is connected with the base stage of triode VT4 after resistance R16, the diode D7 that P pole is connected with the P pole of diode D6 after resistance R13, negative pole is connected with the P pole of diode D7, the polar capacitor C6 that positive pole is connected with the emitter of triode VT4 after resistance R14, positive pole is connected with the collector electrode of triode VT4, the polar capacitor C7 that negative pole is connected with the N pole of diode D6 after resistance R15, P pole is connected with the base stage of triode VT5, the diode D9 that N pole is connected with the N pole of voltage stabilizing didoe D8 after resistance R18, positive pole is connected with the collector electrode of triode VT5 after resistance R17 through resistance R19 in turn, the polar capacitor C8 that negative pole is connected with the COPM pin of voltage stabilizing chip U after resistance R20, positive pole is connected with the SFE pin of voltage stabilizing chip U, the polar capacitor C9 of minus earth, N pole is connected with the COPM pin of voltage stabilizing chip U, the diode D10 that P pole is connected with the negative pole of polar capacitor C9 after resistance R21, and positive pole is connected with the COPM pin of voltage stabilizing chip U, the polar capacitor C10 of minus earth forms, the emitter of described triode VT5 is connected with the N pole of diode D7, the N pole of described voltage stabilizing didoe D8 is connected with the VIN pin of voltage stabilizing chip U, and the P pole of this voltage stabilizing didoe D8 is connected with the negative pole of polar capacitor C7, the P pole of described diode D7 as integrated stable voltage circuit input and be connected with power supply, the COPM pin of described voltage stabilizing chip U as integrated stable voltage circuit output and be connected with central processing unit.

Described infrared signal processing circuit then cuts out wave circuit by the signal be connected with infrared probe, and cuts out with signal the filter amplification circuit that wave circuit is connected and form; The output of described filter amplification circuit is connected with central processing unit.

Described signal cuts out wave circuit by amplifier P1, triode VT1, diode D2, P pole is connected with the positive pole of amplifier P1, the diode D1 that N pole is connected with the P pole of diode D2 after resistance R2, positive pole is connected with the N pole of diode D1 after resistance R1, the polar capacitor C1 that negative pole is connected with the N pole of diode D2, negative pole is connected with the N pole of diode D2 after resistance R3 through resistance R4 in turn, the polar capacitor C2 that positive pole is connected with the output of amplifier P1, and P pole is connected with the negative pole of amplifier P1 after resistance R5, the diode D3 that N pole is connected with the base stage of triode VT1 forms, the emitter of described triode VT1 and the negative pole of polar capacitor C2 jointly form signal and cut out the output of wave circuit and be connected with filter amplification circuit, the grounded collector of this triode VT1, the input that wave circuit is cut out as signal in the N pole of described diode D1 is connected with infrared probe.

Described filter amplification circuit is by amplifier P2, triode VT2, triode VT3, one end is connected with the negative pole of amplifier P2, the resistance R6 that the other end is connected with the base stage of triode VT2, P pole is connected with the emitter of triode VT2 after resistance R7, the diode D4 that N pole is connected with the base stage of triode VT3, negative pole is connected with the emitter of triode VT3 after resistance R9, the polar capacitor C3 that positive pole is connected with the emitter of triode VT2, one end is connected with the negative pole of polar capacitor C3, the resistance R8 that the other end is connected with the emitter of triode VT2, P pole is connected with the emitter of triode VT2, the diode D5 that N pole is connected with the base stage of triode VT3 after resistance R10, negative pole is connected with the N pole of diode D5 after resistance R12, the polar capacitor C5 of ground connection while of after positive pole is connected with the collector electrode of triode VT3, and negative pole is connected with the output of amplifier P2 after resistance R11, the polar capacitor C4 that positive pole is connected with the N pole of diode D5 forms, the collector electrode of described triode VT2 is connected with the emitter of triode VT1, the positive pole of described amplifier is connected with the negative pole of polar capacitor C2, the positive pole of described polar capacitor C4 is as the output of filter amplification circuit.

For guaranteeing practical effect of the present invention, described light sensor preferentially adopts RA-1805NO type light sensor to realize; Infrared probe then adopts KR-P819 type infrared probe to realize; The chip of voltage stabilizing simultaneously U then preferentially adopts LM340K integrated chip to realize; And described conversion chip U1 preferentially adopts LM331 integrated chip to realize.

The present invention compared with prior art has the following advantages and beneficial effect:

(1) luminance signal of light sensor collection can be carried out filtering by signal converter amplifier circuit of the present invention, filtered luminance signal can also be converted to data-signal to carry out amplifying rear output, thus improve the accuracy that the brightness of the intelligent light-controlled system of LED of the present invention to LED desk lamp automatically adjusts.

(2) integrated stable voltage circuit of the present invention can suppress the high voltage exported in power supply and heavy current, and the voltage and current of stable output, thus guarantee the stability of central processing unit work.

(3) infrared signal processing circuit of the present invention can carry out anti-interference process to the high-frequency signal in the detectable signal of infrared probe output and low frequency signal, can also prevent the interference signal in high frequency from scurrying into central processing unit, thus improve LED of the present invention intelligent light-controlled system LED desk lamp is automatically shut down, and control the accuracy of distance of user and desk lamp.

(4) present invention employs light sensor, the stable performance of this light sensor, the scope of Information Monitoring is wide, can accurately gather the brightness in acquisition range.

(5) infrared probe that the present invention adopts can carry out the detection of wide-angle 180 °, it has the advantages such as accuracy is high, sensitivity is strong, therefore, ensure that the intelligent light-controlled system of LED of the present invention can accurately be closed automatically to LED desk lamp, and improve the accuracy of this light control system to the distance measurement of human body and desk lamp.

(6) the intelligent light-controlled system of LED of the present invention, make LED desk lamp achieve automation brightness regulation, and can automatically close in unmanned, save electric energy greatly, and the useful life of LED desk lamp can be substantially increased, reduce use cost.

Accompanying drawing explanation

Fig. 1 is overall structure figure of the present invention.

Fig. 2 is the electrical block diagram of infrared signal processing circuit of the present invention.

Fig. 3 is the electrical block diagram of integrated stable voltage circuit of the present invention.

Fig. 4 is the electrical block diagram of signal converter amplifier circuit of the present invention.

Embodiment

Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.

As shown in Figure 1, the present invention is primarily of central processing unit, infrared probe, the light sensor be all connected with central processing unit, data storage, alarm, power supply and LED, be serially connected in the signal converter amplifier circuit between light sensor and central processing unit, be serially connected in the integrated stable voltage circuit between power supply and central processing unit, and be serially connected in the infrared signal processing circuit composition between infrared probe and central processing unit.Wherein, as shown in Figure 2, it cuts out wave circuit by signal and filter amplification circuit forms for this infrared signal processing circuit.

For guaranteeing reliability service of the present invention, described central processing unit preferentially adopts LTC3455 integrated chip, and the BST pin of this LTC3455 integrated chip is connected with LED, and SW pin is connected with data storage, and SET pin is connected with alarm.Described power supply is that 12V direct voltage carries out the 12V direct voltage of stable output after suppression process through integrated stable voltage circuit to high voltage and heavy current, and this 12V direct voltage is that central processing unit is powered.

As shown in Figure 2, described signal cuts out wave circuit by amplifier P1, triode VT1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, polar capacitor C1, polar capacitor C2, diode D1, diode D2, and diode D3 forms.

During connection, the P pole of diode D1 is connected with the positive pole of amplifier P1, N pole is connected with the P pole of diode D2 after resistance R2.The positive pole of polar capacitor C1 is connected with the N pole of diode D1 after resistance R1, negative pole is connected with the N pole of diode D2.The negative pole of polar capacitor C2 is connected with the N pole of diode D2 after resistance R3 through resistance R4 in turn, positive pole is connected with the output of amplifier P1.The P pole of diode D3 is connected with the negative pole of amplifier P1 after resistance R5, N pole is connected with the base stage of triode VT1.

The emitter of described triode VT1 and the negative pole of polar capacitor C2 jointly form signal and cut out the output of wave circuit and be connected with filter amplification circuit, the grounded collector of this triode VT1; The input that wave circuit is cut out as signal in the N pole of described diode D1 is connected with infrared probe.

Meanwhile, described filter amplification circuit by amplifier P2, triode VT2, triode VT3, resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, polar capacitor C3, polar capacitor C4, polar capacitor C5, diode D4, and diode D5 forms.

During connection, one end of resistance R6 is connected with the negative pole of amplifier P2, the other end is connected with the base stage of triode VT2.The P pole of diode D4 is connected with the emitter of triode VT2 after resistance R7, N pole is connected with the base stage of triode VT3.The negative pole of polar capacitor C3 is connected with the emitter of triode VT3 after resistance R9, positive pole is connected with the emitter of triode VT2.

One end of described resistance R8 is connected with the negative pole of polar capacitor C3, the other end is connected with the emitter of triode VT2.The P pole of diode D5 is connected with the emitter of triode VT2, N pole is connected with the base stage of triode VT3 after resistance R10.The ground connection while of after the negative pole of polar capacitor C5 is connected with the N pole of diode D5 after resistance R12, positive pole is connected with the collector electrode of triode VT3.The negative pole of polar capacitor C4 is connected with the output of amplifier P2 after resistance R11, positive pole is connected with the N pole of diode D5.

The collector electrode of described triode VT2 is connected with the emitter of triode VT1; The positive pole of described amplifier is connected with the negative pole of polar capacitor C2; The positive pole of described polar capacitor C4 as filter amplification circuit output and be connected with the DIM pin of LTC3455 integrated chip.

Operationally, the signal of the signal that infrared probe detects in infrared signal processing circuit is cut out wave circuit and is carried out anti-interference process to high-frequency signal and low frequency signal, can also eliminate the interference signal in high frequency in the present invention.The signal cut out after wave circuit process through signal is transferred to filter amplification circuit after amplifier P1, triode VT1, and signal filters by this filter amplification circuit, and exports after amplifying.

As shown in Figure 3, it is by voltage stabilizing chip U, triode VT4, triode VT5, diode D6 for described integrated stable voltage circuit, voltage stabilizing didoe D8, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, polar capacitor C6, polar capacitor C7, polar capacitor C8, polar capacitor C9, polar capacitor C10, diode D6, diode D7, diode D8, diode D9, and diode D10 forms.

During connection, the N pole of diode D7 is connected with the base stage of triode VT4 after resistance R16, P pole is connected with the P pole of diode D6 after resistance R13.The negative pole of polar capacitor C6 is connected with the P pole of diode D7, positive pole is connected with the emitter of triode VT4 after resistance R14.The positive pole of polar capacitor C7 is connected with the collector electrode of triode VT4, negative pole is connected with the N pole of diode D6 after resistance R15.The P pole of diode D9 is connected with the base stage of triode VT5, N pole is connected with the N pole of voltage stabilizing didoe D8 after resistance R18.The positive pole of polar capacitor C8 is connected with the collector electrode of triode VT5 after resistance R17 through resistance R19 in turn, negative pole is connected with the COPM pin of voltage stabilizing chip U after resistance R20.The positive pole of polar capacitor C9 is connected with the SFE pin of voltage stabilizing chip U, minus earth.The N pole of diode D10 is connected with the COPM pin of voltage stabilizing chip U, P pole is connected with the negative pole of polar capacitor C9 after resistance R21.The positive pole of polar capacitor C10 is connected with the COPM pin of voltage stabilizing chip U, minus earth.

The emitter of described triode VT5 is connected with the N pole of diode D7; The N pole of described voltage stabilizing didoe D8 is connected with the VIN pin of voltage stabilizing chip U, and the P pole of this voltage stabilizing didoe D8 is connected with the negative pole of polar capacitor C7.The P pole of described diode D7 as integrated stable voltage circuit input and be connected with power supply; The COPM pin of described voltage stabilizing chip U as integrated stable voltage circuit output and be connected with the VC pin of LTC3455 integrated chip.Operationally, integrated stable voltage circuit can suppress the high voltage exported in power supply and heavy current in the present invention, and the voltage and current of stable output, thus guarantee the stability of central processing unit work.In order to better implement the present invention, described voltage stabilizing chip U then preferentially adopts to be had strong, the low-cost LM340K integrated chip of stability and realizes.

As shown in Figure 4, it is by conversion chip U1, amplifier P3 for described signal converter amplifier circuit, resistance R22, resistance R23, resistance R24, resistance R25, resistance R26, resistance R27, adjustable resistance R28, resistance R29, polar capacitor C11, polar capacitor C12, polar capacitor C13, polar capacitor C14, diode D11, diode D12, and diode D13 forms.

During connection, the positive pole of polar capacitor C11 is connected with the COV pin of conversion chip U1 after resistance R23, negative pole as signal converter amplifier circuit input and be connected with light sensor.The N pole of diode D11 is connected with the THRE pin of conversion chip U1, P pole is connected with the positive pole of polar capacitor C11 after resistance R22.One end of resistance R24 is connected with the P pole of diode D11, the other end is connected with the VS pin of conversion chip U1.

The positive pole of described polar capacitor C12 is connected with the CR pin of conversion chip U1, minus earth.The positive pole of polar capacitor C14 is connected with the RC pin of conversion chip U1 after resistance R25, negative pole is connected with the output of amplifier P3 after resistance R29 through resistance R27 in turn.The P pole of diode D12 is connected with the COM pin of conversion chip U1, N pole is connected with the positive pole of amplifier P3.The positive pole of polar capacitor C13 is connected with the FC pin of conversion chip U1, negative pole is connected with the N pole of diode D12 after resistance R26.One end of adjustable resistance R28 is connected with the N pole of diode D12, the other end is connected with the tie point of resistance R29 with resistance R27.The P pole of diode D13 is connected with the N pole of diode D12, N pole is connected with the output of amplifier P3.

The GND pin ground connection of described conversion chip U1; The minus earth of described amplifier P3; The tie point of described adjustable resistance R28 and resistance R29 as signal converter amplifier circuit output and be connected with the SEN pin of LTC3455 integrated chip.Operationally, the luminance signal of light sensor collection can be carried out filtering by signal converter amplifier circuit in the present invention.This filtered luminance signal generates data-signal after the change-over circuit of conversion core U, diode D12, adjustable resistance R28 composition is changed, and is carried out amplifying rear output by this data-signal by amplifier P3.For better implementing the present invention, the LM331 integrated chip that described conversion chip U1 then preferentially have employed stable performance realizes.

During operation, described light sensor preferentially adopts RA-1805NO type light sensor to realize; The data-signal that the luminance signal collected generates after signal converter amplifier circuit carries out signal conversion and amplifies adjustment for gathering the monochrome information in grease chamber, and is transferred to central processing unit by this light sensor.Brightness reference point is set with in described central processing unit, the brightness data signal received and brightness reference point are compared by this central processing unit, and export according to the result of comparison that corresponding to control the brightness maintenance that electric current makes LED desk lamp consistent with the brightness reference point set in central processing unit.

Wherein, described infrared probe is 180 ° of wide-angle infrared probes, and this infrared probe can accurately detect indoor constantly, and the information detected is transferred to central processing unit after infrared signal processing circuit process.When infrared ray probe detection is to indoor nobody time, and by this information transmission to central processing unit, at this moment central processing unit just can automatically stop exporting control electric current after information analysis, and this LED is just closed, and now LED also can return to rebooting status.

Simultaneously, also preset the safe distance value of human body and desk lamp in described central processing unit, when being less than the preset safe distance value in central processing unit when the distance of human body and desk lamp, central processing unit output LOW current is to alarm, now, alarm is unlocked and sends chimes of doom.When being greater than the preset safe distance value in central processing unit when the distance of human body and desk lamp, alarm stop alarm, thus the eyes effectively protecting user preserve from.

For guaranteeing reliability service of the present invention, described alarm then preferentially adopts to be had highly sensitive HARBT-6000-T alarm and realizes; Infrared probe then adopts KR-P819 type infrared probe to realize; The data storage that simultaneously data storage preferentially have employed C8051F020 type realizes.

As mentioned above, just the present invention can well be realized.

Claims (8)

1. the multicircuit intelligent light-controlled system of LED, it is characterized in that, primarily of central processing unit, infrared probe, the light sensor be all connected with central processing unit, data storage, alarm, power supply and LED, be serially connected in the signal converter amplifier circuit between light sensor and central processing unit, be serially connected in the integrated stable voltage circuit between power supply and central processing unit, and be serially connected in the infrared signal processing circuit composition between infrared probe and central processing unit.
2. the multicircuit intelligent light-controlled system of a kind of LED according to claim 1, it is characterized in that, described signal converter amplifier circuit is by conversion chip U1, amplifier P3, positive pole is connected with the COV pin of conversion chip U1 after resistance R23, negative pole is as the input of signal converter amplifier circuit and the polar capacitor C11 be connected with light sensor, N pole is connected with the THRE pin of conversion chip U1, the diode D11 that P pole is connected with the positive pole of polar capacitor C11 after resistance R22, one end is connected with the P pole of diode D11, the resistance R24 that the other end is connected with the VS pin of conversion chip U1, positive pole is connected with the CR pin of conversion chip U1, the polar capacitor C12 of minus earth, positive pole is connected with the RC pin of conversion chip U1 after resistance R25, negative pole is in turn through polar capacitor C14 that resistance R27 is connected with the output of amplifier P3 after resistance R29, P pole is connected with the COM pin of conversion chip U1, the diode D12 that N pole is connected with the positive pole of amplifier P3, positive pole is connected with the FC pin of conversion chip U1, the polar capacitor C13 that negative pole is connected with the N pole of diode D12 after resistance R26, one end is connected with the N pole of diode D12, the adjustable resistance R28 that the other end is connected with the tie point of resistance R29 with resistance R27, and P pole is connected with the N pole of diode D12, the diode D13 that N pole is connected with the output of amplifier P3 forms, the GND pin ground connection of described conversion chip U1, the minus earth of described amplifier P3, the tie point of described adjustable resistance R28 and resistance R29 as signal converter amplifier circuit output and be connected with central processing unit.
3. the multicircuit intelligent light-controlled system of a kind of LED according to claim 2, it is characterized in that, described integrated stable voltage circuit is by voltage stabilizing chip U, triode VT4, triode VT5, diode D6, voltage stabilizing didoe D8, N pole is connected with the base stage of triode VT4 after resistance R16, the diode D7 that P pole is connected with the P pole of diode D6 after resistance R13, negative pole is connected with the P pole of diode D7, the polar capacitor C6 that positive pole is connected with the emitter of triode VT4 after resistance R14, positive pole is connected with the collector electrode of triode VT4, the polar capacitor C7 that negative pole is connected with the N pole of diode D6 after resistance R15, P pole is connected with the base stage of triode VT5, the diode D9 that N pole is connected with the N pole of voltage stabilizing didoe D8 after resistance R18, positive pole is connected with the collector electrode of triode VT5 after resistance R17 through resistance R19 in turn, the polar capacitor C8 that negative pole is connected with the COPM pin of voltage stabilizing chip U after resistance R20, positive pole is connected with the SFE pin of voltage stabilizing chip U, the polar capacitor C9 of minus earth, N pole is connected with the COPM pin of voltage stabilizing chip U, the diode D10 that P pole is connected with the negative pole of polar capacitor C9 after resistance R21, and positive pole is connected with the COPM pin of voltage stabilizing chip U, the polar capacitor C10 of minus earth forms, the emitter of described triode VT5 is connected with the N pole of diode D7, the N pole of described voltage stabilizing didoe D8 is connected with the VIN pin of voltage stabilizing chip U, and the P pole of this voltage stabilizing didoe D8 is connected with the negative pole of polar capacitor C7, the P pole of described diode D7 as integrated stable voltage circuit input and be connected with power supply, the COPM pin of described voltage stabilizing chip U as integrated stable voltage circuit output and be connected with central processing unit.
4. the multicircuit intelligent light-controlled system of a kind of LED according to claim 3, it is characterized in that, described infrared signal processing circuit then cuts out wave circuit by the signal be connected with infrared probe, and cuts out with signal the filter amplification circuit that wave circuit is connected and form; The output of described filter amplification circuit is connected with central processing unit.
5. the multicircuit intelligent light-controlled system of a kind of LED according to claim 4, it is characterized in that, described signal cuts out wave circuit by amplifier P1, triode VT1, diode D2, P pole is connected with the positive pole of amplifier P1, the diode D1 that N pole is connected with the P pole of diode D2 after resistance R2, positive pole is connected with the N pole of diode D1 after resistance R1, the polar capacitor C1 that negative pole is connected with the N pole of diode D2, negative pole is connected with the N pole of diode D2 after resistance R3 through resistance R4 in turn, the polar capacitor C2 that positive pole is connected with the output of amplifier P1, and P pole is connected with the negative pole of amplifier P1 after resistance R5, the diode D3 that N pole is connected with the base stage of triode VT1 forms, the emitter of described triode VT1 and the negative pole of polar capacitor C2 jointly form signal and cut out the output of wave circuit and be connected with filter amplification circuit, the grounded collector of this triode VT1, the input that wave circuit is cut out as signal in the N pole of described diode D1 is connected with infrared probe.
6. the multicircuit intelligent light-controlled system of a kind of LED according to claim 5, it is characterized in that, described filter amplification circuit is by amplifier P2, triode VT2, triode VT3, one end is connected with the negative pole of amplifier P2, the resistance R6 that the other end is connected with the base stage of triode VT2, P pole is connected with the emitter of triode VT2 after resistance R7, the diode D4 that N pole is connected with the base stage of triode VT3, negative pole is connected with the emitter of triode VT3 after resistance R9, the polar capacitor C3 that positive pole is connected with the emitter of triode VT2, one end is connected with the negative pole of polar capacitor C3, the resistance R8 that the other end is connected with the emitter of triode VT2, P pole is connected with the emitter of triode VT2, the diode D5 that N pole is connected with the base stage of triode VT3 after resistance R10, negative pole is connected with the N pole of diode D5 after resistance R12, the polar capacitor C5 of ground connection while of after positive pole is connected with the collector electrode of triode VT3, and negative pole is connected with the output of amplifier P2 after resistance R11, the polar capacitor C4 that positive pole is connected with the N pole of diode D5 forms, the collector electrode of described triode VT2 is connected with the emitter of triode VT1, the positive pole of described amplifier is connected with the negative pole of polar capacitor C2, the positive pole of described polar capacitor C4 is as the output of filter amplification circuit.
7. the multicircuit intelligent light-controlled system of a kind of LED according to claim 6, is characterized in that, described light sensor is RA-1805NO type light sensor.
8. the multicircuit intelligent light-controlled system of a kind of LED according to claim 7, is characterized in that, described infrared probe is KR-P819 type infrared probe; Described voltage stabilizing chip U is LM340K integrated chip; Described conversion chip U1 is LM331 integrated chip.
CN201510960245.3A 2015-12-18 2015-12-18 Multi-circuit intelligent optical control system for LED (Light Emitting Diode) lamp CN105407579A (en)

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Application publication date: 20160316