CN106304495A - A kind of LED double control-type signal phase difference correction type energy-saving control system - Google Patents
A kind of LED double control-type signal phase difference correction type energy-saving control system Download PDFInfo
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- CN106304495A CN106304495A CN201610791775.4A CN201610791775A CN106304495A CN 106304495 A CN106304495 A CN 106304495A CN 201610791775 A CN201610791775 A CN 201610791775A CN 106304495 A CN106304495 A CN 106304495A
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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Abstract
The invention discloses a kind of LED double control-type signal phase difference correction type energy-saving control system, it is characterized in that, main by single-chip microcomputer, buzzer, power supply, controller, signal processing unit and the luminance sensor being all connected with single-chip microcomputer, the LED being connected with controller, and the infrared probe HW composition being connected with signal processing unit；Described signal processing unit by processing chip U, field effect transistor MOS, audion VT3, phase difference correction circuit, second-order filter amplifying circuit, and the signal output composition such as modulate circuit.The present invention can be by being controlled the open and close of LED the flow of personnel situation in LED range and the brightness case in its range, and the flow of personnel information gathered can be analyzed and processed by the present invention accurately, ensure that LED can accurate be controlled by the present invention.
Description
Technical field
The present invention relates to the technical field of electronic equipment, specifically refer to a kind of LED double control-type signal phase difference correction type joint
Can control system.
Background technology
Requisite electrical equipment during LED illumination lamp has become as people's life now.But, existing LED illumination lamp is adopted more
Realize being turned on and off lamp by the mode of Non-follow control and the mode of acoustic control, i.e. the mode of Non-follow control is to pass through shell fragment
Formula mechanical switch is turned on and off LED, owing to this control mode cannot realize automatically turning on or closing LED, works as people
Withdraw from a room for a long time, when forgetting to close illuminating lamp, will result in energy waste；The mode of acoustic control is then to pass through sound sensor
Sound in LED range is acquired by device, and when sound transducer has collected sound, LED etc. then can be lit,
As long as this control mode use time have in its span of control with night by day sound will lightening LED lamp, this controlling party
Formula can not control the open and close of LED according to the brightness of the scope that LED uses, and this just causes energy significant wastage.
Therefore it provides a kind of LED energy-saving control system is the task of top priority.
Summary of the invention
It is an object of the invention to overcome LED control system of the prior art can not flow according to ambient brightness and personnel
Emotionally condition controls the defect of open and close of LED, and the present invention provides a kind of LED double control-type signal phase difference correction type joint
Can control system.
The present invention is achieved through the following technical solutions: a kind of LED double control-type signal phase difference correction type Energy Saving Control system
System, mainly by single-chip microcomputer, buzzer, power supply, controller, signal processing unit and the brightness sensing being all connected with single-chip microcomputer
Device, the LED being connected with controller, and the infrared probe HW composition being connected with signal processing unit；Described signal
Processing unit is by processing chip U, and field effect transistor MOS, audion VT3, positive pole is connected with the source electrode of field effect transistor MOS, negative pole
The polar capacitor C6 being connected with the base stage of audion VT3, one end is connected with the source electrode of field effect transistor MOS, the other end and three
Resistance R7, the P pole that the emitter stage of pole pipe VT3 is connected is connected with the emitter stage of audion VT3, N pole after resistance R8 with place
The diode D3 that is connected of COM pin of reason chip U, one end be connected with the colelctor electrode of audion VT3 after ground connection, the other end and
Processing the inductance L2 that is connected of COM pin of chip U, negative pole is connected with the drain electrode of field effect transistor MOS, positive pole and process chip
The polar capacitor C7 that the CF pin of U is connected, respectively with process the CM pin of chip U and IN pin and infrared probe HW phase
The second-order filter amplifying circuit connected, the signal output conditioning being connected with the PWM pin processing chip U and OUT pin respectively
Circuit, and it is serially connected in the phase difference correction circuit composition processed between the COM pin of chip U and signal output modulate circuit；
The grid of described field effect transistor MOS with process chip U CC pin be connected, its drain electrode also with process chip U CM pin phase
Connect；The grounded collector of described audion VT3；The GND pin ground connection of described process chip U, its VS pin then with outside 12V
DC source is connected；Described signal output modulate circuit is connected with single-chip microcomputer.
Further, described phase difference correction electricity routing amplifier P3, audion VT5, audion VT6, P pole and audion
The diode D8 that the base stage of VT5 is connected, N pole base stage with audion VT6 after resistance R20 is connected, negative pole and audion
The polar capacitor that the emitter stage of VT5 is connected, positive pole is sequentially connected with the N pole of diode D8 after resistance R18 through resistance R15
C13, P pole is connected with the junction point of resistance R15 with resistance R18, N pole emitter stage with audion VT6 after resistance R16 is connected
The diode D7 connect, one end is connected with the emitter stage of audion VT6, the resistance R17 of other end ground connection, one end and diode D7
The adjustable resistance R19 that N pole is connected, the other end is connected with the emitter stage of audion VT6, positive pole after resistance R21 with three
The colelctor electrode of pole pipe VT5 is connected, negative pole is sequentially connected through resistance R23 outfan with amplifier P3 after resistance R24
Polar capacitor C14, positive pole is connected with the negative pole of amplifier P3, the polar capacitor C15 of minus earth, and positive pole is after resistance R22
Be connected with the colelctor electrode of audion VT6, the polar capacitor C17 of minus earth, and the colelctor electrode phase of positive pole and audion VT6
Connect, negative pole exports the polar capacitor C16 composition that modulate circuit is connected with signal；The negative pole of described polar capacitor C13 also with
The COM pin processing chip U is connected；The colelctor electrode of described audion VT5 also positive pole with amplifier P3 is connected；Described pole
The negative pole of property electric capacity C14 is also connected with the N pole of diode D8.
Described second-order filter amplifying circuit by amplifier P1, audion VT1, audion VT2, positive pole after resistance R3 with put
The polar capacitor C2 that positive pole is connected, negative pole is connected with infrared probe HW of big device P1, positive pole and the negative pole of amplifier P1
Be connected, polar capacitor C4 that negative pole is connected with the base stage of audion VT1, one end is connected with the negative pole of amplifier P1, separately
The resistance R4 that one end is connected with the base stage of audion VT1, positive pole is connected with the base stage of audion VT2, negative pole is through inductance L1
Polar capacitor C5, the P pole that negative pole with amplifier P1 is connected afterwards negative pole with polar capacitor C5 after resistance R6 is connected, N
The diode D2 that pole negative pole with amplifier P1 after resistance R5 is connected, positive pole is connected with the outfan of amplifier P1, negative
Pole and polar capacitor C3, the P pole that is connected of IN pin processing chip U positive pole with amplifier P1 after resistance R2 is connected, N
The diode D1 that pole is connected with the negative pole of polar capacitor C3, and negative pole is connected with the positive pole of amplifier P1, positive pole warp can
The polar capacitor C1 composition being connected with the N pole of diode D1 after adjusting resistance R1；The grounded collector of described audion VT1, its
Emitter stage is connected with the N pole of diode D2；After the colelctor electrode of described audion VT2 is connected with the CM pin processing chip U
Ground connection, its emitter stage are connected with the negative pole of polar capacitor C3.
Described signal output modulate circuit is connected with the OUT pin processing chip U by amplifier P2, audion VT4, positive pole
Connect, polar capacitor C9, P pole that negative pole positive pole with amplifier P2 after resistance R11 is connected after resistance R9 with audion VT4
The diode D4 that emitter stage is connected, N pole outfan with amplifier P2 after adjustable resistance R10 is connected, positive pole and
Polar capacitor C8, the P pole of ground connection and process after the emitter stage of audion VT4 is connected, negative pole is connected with the P pole of diode D4
The diode D5 that the PWM pin of chip U is connected, N pole is connected with the base stage of audion VT4, positive pole after resistance R13 with three
The colelctor electrode of pole pipe VT4 is connected, polar capacitor C11, the P pole of minus earth after resistance R12 with the negative pole phase of amplifier P2
Connect, the diode D6 that is connected of the outfan of N pole amplifier P2, positive pole is connected with the outfan of amplifier P2, negative pole and
The polar capacitor C10 that single-chip microcomputer is connected, and positive pole is connected with amplifier P2 outfan after resistance R14, negative pole with put
The polar capacitor C12 composition of ground connection after the negative pole of device P2 is connected greatly；The negative pole of described polar capacitor C9 is electric with polarity the most respectively
The negative pole holding C16 is connected with the emitter stage of audion VT4.
For guaranteeing the practical effect of the present invention, described process chip U the most preferentially have employed and comes into the integrated chip of AD736
Realize.The most described infrared probe HW is KR-P900 Radix Rumicis infrared probe.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) present invention can be by the flow of personnel situation in LED range and the brightness feelings in its range
The open and close of LED are controlled by condition, and the flow of personnel information gathered can be divided by the present invention accurately
Analysis processes, and makes the present invention control the open and close of LED more accurate, ensures that LED can accurate be controlled by the present invention
System, can preferably realize people to LED control system in the requirement of energy-conservation aspect.
(2) the interference signal during the present invention can dock the collection of letters number eliminates or suppresses, and makes the signal of telecommunication more steady；And
The bandwidth of viewdata signal can also be limited by the present invention, to filter the High-frequency Interference in viewdata signal and spike hair
Thorn, and the High-frequency Interference in viewdata signal is filtered, make viewdata signal more totally, more steadily, effectively
Improve the present invention accuracy to signal processing, ensure that LED can accurate be controlled by the present invention.
(3) phase contrast that the data signal after conversion occurs because of current fluctuation during transmission can be corrected by the present invention, makes
The phase and frequency of data signal keeps stable, can effectively improve the precision of data signal, ensure that the present invention is to LED
The accuracy that the open and close of lamp are controlled.
(4) infrared probe of the present invention is KR-P900 type Radix Rumicis infrared probe, and this infrared probe can carry out Radix Rumicis
The detection of 180 °, it has the advantages such as accuracy is high, sensitivity is strong, thus it is ensured that the present invention is to LED range personnel
The accuracy of monitoring.
Accompanying drawing explanation
Fig. 1 is the overall structure block diagram of the present invention.
Fig. 2 is the electrical block diagram of the signal processing unit of the present invention.
Fig. 3 is the electrical block diagram of the phase difference correction circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
As it is shown in figure 1, the present invention is mainly by single-chip microcomputer, the buzzer being all connected with single-chip microcomputer, power supply, controller, letter
Number processing unit and luminance sensor, the LED being connected with controller, and the infrared ray being connected with signal processing unit
Probe HW composition.
For guaranteeing the reliability service of the present invention, described single-chip microcomputer preferentially uses FM8PE59A single-chip microcomputer to realize.Should
The TI0 pin of FM8PE59A single-chip microcomputer is connected with buzzer, and PIN0 pin is connected with signal processing unit, PIN1 pin with
Luminance sensor is connected, and POUT1 pin is connected with controller, and pvc pipe foot is connected with power supply.Described power supply is 12V
DC voltage, this 12V DC voltage is that whole control system is powered.
During operation, described luminance sensor preferentially uses RA-1805NO luminance sensor to realize；This RA-1805NO
Photoconductive resistance it is provided with, photoconductive resistance when environment has brightness when brightness is detected by this luminance sensor in luminance sensor
Resistance becomes big, i.e. luminance sensor output LOW current signal；When brightness is detected by luminance sensor, environment does not has brightness
Time photoconductive resistance resistance diminish, i.e. luminance sensor output HIGH current signal.This luminance sensor is used for monitoring LED and uses
In the range of ambient brightness, and export corresponding current signal to single according to the ambient brightness in the LED range of monitoring
Sheet machine,.Meanwhile, the infrared probe HW of the present invention is KR-P900 Radix Rumicis infrared probe, and this infrared probe can be to LED
Range carry out the detection of Radix Rumicis 180 °, i.e. detect with or without personnel in LED range, this infrared probe
The information detected being transferred to signal processing unit, the interference signal in the docking collection of letters number of this signal processing unit is carried out simultaneously
Eliminate or suppression, make the signal of telecommunication more steady；And the bandwidth of viewdata signal can also be limited by the present invention, to filter
High-frequency Interference in viewdata signal and spike burr, and the High-frequency Interference in viewdata signal is filtered, make
Viewdata signal more totally, more steady；Signal conversion image data signal after this signal processing unit then will process transmits
To single-chip microcomputer.The infrared probe HW of the present invention and luminance sensor are collectively forming a dual-switch.
The present invention in use, single-chip microcomputer receive infrared probe HW transmission for having people in LED range
Time interior, single-chip microcomputer receive low current signal time will not export control signal to controller, LED also will not be unlocked.
Only monitoring the information of people for high current signal and infrared probe HW and be transferred to list simultaneously in luminance sensor transmission
During sheet machine, single-chip microcomputer just can export control voltage to controller, controller just outputting drive voltage, LED is just unlocked.Work as people
When leaving the investigative range that infrared probe HW visits, infrared probe is visited HW and this signal is fed back to single-chip microcomputer, at this moment single-chip microcomputer
Output controls electric current and begins to send out prompting sound to buzzer, buzzer, and this prompting sound is used for reminding people's LED automatically to close
Closing, this single-chip microcomputer is then automatically stopped after buzzer works 3 seconds and LED is exported electric current, and now LED is closed, the most single
Sheet machine also can return to reopen state.
Wherein, described signal processing unit is as in figure 2 it is shown, described signal processing unit is by processing chip U, field effect transistor
MOS, audion VT3, resistance R7, resistance R8, polar capacitor C6, polar capacitor C7, inductance L2, diode D3, phase difference correction
Circuit, second-order filter amplifying circuit, and signal output modulate circuit composition.
During connection, the positive pole of polar capacitor C6 is connected with the source electrode of field effect transistor MOS, negative pole and the base of audion VT3
Pole is connected.One end of resistance R7 is connected with the source electrode of field effect transistor MOS, and the other end is connected with the emitter stage of audion VT3
Connect.The P pole of diode D3 is connected with the emitter stage of audion VT3, N pole after resistance R8 with process chip U COM pin phase
Connect.One end of inductance L2 be connected with the colelctor electrode of audion VT3 after ground connection, the other end and process chip U COM pin phase
Connect.
Meanwhile, the negative pole of polar capacitor C7 is connected with the drain electrode of field effect transistor MOS, positive pole and the CF pipe processing chip U
Foot is connected.Second-order filter amplifying circuit respectively with process the CM pin of chip U and IN pin and infrared probe HW is connected
Connect.Signal output modulate circuit is connected with the PWM pin processing chip U and OUT pin respectively.Phase difference correction circuit concatenates
Processing between the COM pin of chip U and signal output modulate circuit.
The grid of described field effect transistor MOS is connected with the CC pin processing chip U, and its drain electrode is also with process chip U's
CM pin is connected；The grounded collector of described audion VT3；The GND pin ground connection of described process chip U, its VS pin is then
It is connected with outside 12V DC source；Described signal output modulate circuit is connected with single-chip microcomputer.
During enforcement, for guaranteeing the practical effect of the present invention, described process chip U the most preferentially have employed as AD736 collection
Chip is become to realize.Described field effect transistor MOS, audion VT3, resistance R7, resistance R8, polar capacitor C6, polar capacitor C7, electricity
Sense L2 and diode D3 forms high impedance device, and the electromagnetic interference signal in signal can be eliminated or suppress by this high impedance device.
The signal output part that the input of described second-order filter amplifying circuit visits HW with infrared probe is connected；And signal output conditioning
The outfan of circuit is then connected with the PIN0 pin of FM8PE59A single-chip microcomputer.
Further, described second-order filter amplifying circuit is by amplifier P1, audion VT1, audion VT2, adjustable resistance
R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, polar capacitor C1, polar capacitor C2, polar capacitor C3, polarity electricity
Hold C4, polar capacitor C45, inductance L1, diode D1, and diode D2 composition.
During connection, the positive pole of polar capacitor C2 positive pole with amplifier P1 after resistance R3 is connected, negative pole and infrared ray
Probe HW is connected.The positive pole of polar capacitor C4 is connected with the negative pole of amplifier P1, and negative pole is connected with the base stage of audion VT1
Connect.One end of resistance R4 is connected with the negative pole of amplifier P1, and the other end is connected with the base stage of audion VT1.Polar capacitor
The positive pole of C5 is connected with the base stage of audion VT2, and negative pole negative pole with amplifier P1 after inductance L1 is connected.
Wherein, the P pole of diode D2 negative pole with polar capacitor C5 after resistance R6 is connected, N pole after resistance R5 with
The negative pole of amplifier P1 is connected.The positive pole of polar capacitor C3 is connected with the outfan of amplifier P1, negative pole and process chip U
IN pin be connected.The P pole of diode D1 positive pole with amplifier P1 after resistance R2 is connected, N pole and polar capacitor C3
Negative pole be connected.The negative pole of polar capacitor C1 is connected with the positive pole of amplifier P1, positive pole after adjustable resistance R1 with two poles
The N pole of pipe D1 is connected.
The grounded collector of described audion VT1, its emitter stage is connected with the N pole of diode D2；Described audion VT2
Colelctor electrode with process chip U CM pin be connected after ground connection, its emitter stage is connected with the negative pole of polar capacitor C3.
Further, described signal output modulate circuit is by amplifier P2, audion VT4, resistance R9, adjustable resistance
R10, resistance R11, resistance R12, resistance R13, resistance R14, polar capacitor C9, polar capacitor C10, polar capacitor C11, polarity electricity
Hold C12, diode D4, diode D5, and diode D6 composition.
During connection, the positive pole of polar capacitor C9 with process chip U OUT pin be connected, negative pole after resistance R11 with put
The positive pole of big device P2 is connected.The P pole of diode D4 emitter stage with audion VT4 after resistance R9 is connected, and N pole is through adjustable
After resistance R10, the outfan with amplifier P2 is connected.The positive pole of polar capacitor C8 with the emitter stage of audion VT4 be connected
Connect, negative pole be connected with the P pole of diode D4 after ground connection.
Meanwhile, the P pole of diode D5 is connected with the PWM pin processing chip U, and N pole is connected with the base stage of audion VT4
Connect.The positive pole of polar capacitor C11 colelctor electrode with audion VT4 after resistance R13 is connected, minus earth.The P of diode D6
Pole negative pole with amplifier P2 after resistance R12 is connected, and the outfan of N pole amplifier P2 is connected.Polar capacitor C10 is just
Pole is connected with the outfan of amplifier P2, and negative pole is connected with the PIN0 pin of FM8PE59A single-chip microcomputer.Polar capacitor C12's
Positive pole is connected with amplifier P2 outfan after resistance R14, negative pole be connected with the negative pole of amplifier P2 after ground connection.Described pole
The negative pole of property electric capacity C9 is connected with the negative pole of polar capacitor C16 and the emitter stage of audion VT4 the most respectively.
As it is shown on figure 3, described phase difference correction electricity routing amplifier P3, audion VT5, audion VT6, resistance R15, electricity
Resistance R16, resistance R17, resistance R18, adjustable resistance R19, resistance R20, resistance R21, resistance R22, resistance R23, resistance R24, pole
Property electric capacity C13, polar capacitor C14, polar capacitor C15, polar capacitor C16, polar capacitor C17, diode D7, and diode
D8 forms.
During connection, the P pole of diode D8 is connected with the base stage of audion VT5, N pole after resistance R20 with audion VT6
Base stage be connected.The negative pole of polar capacitor C13 is connected with the emitter stage of audion VT5, and positive pole is sequentially through resistance R15 and electricity
It is connected with the N pole of diode D8 after resistance R18.The P pole of diode D7 is connected with the junction point of resistance R15 with resistance R18, N
Pole emitter stage with audion VT6 after resistance R16 is connected.
Wherein, one end of resistance R17 is connected with the emitter stage of audion VT6, other end ground connection.Adjustable resistance R19's
One end is connected with the N pole of diode D7, and the other end is connected with the emitter stage of audion VT6.The positive pole warp of polar capacitor C14
After resistance R21, the colelctor electrode with audion VT5 is connected, negative pole sequentially defeated with amplifier P3 after resistance R23 and resistance R24
Go out end to be connected.The positive pole of polar capacitor C15 is connected with the negative pole of amplifier P3, minus earth.
Meanwhile, the positive pole of polar capacitor C17 colelctor electrode with audion VT6 after resistance R22 is connected, minus earth.
The positive pole of polar capacitor C16 is connected with the colelctor electrode of audion VT6, and negative pole is connected with signal output modulate circuit.This electricity
Polar capacitor C13, audion VT5 in road and amplifier P3 form frequency and phase detecting circuit, this detection of data signal
The drift of the phase and frequency of signal is detected by circuit；Audion VT6 and adjustable resistance R19 forms correcting circuit, this school
The error that the phase and frequency of data signal is occurred by positive circuit is corrected, and wherein polar capacitor C16 will as filter capacitor
Noise in data signal leaches, and makes the phase and frequency of data signal keep stable, can effectively improve data signal
Precision, ensure that the accuracy that the open and close of LED are controlled by the present invention.
The negative pole of described polar capacitor C13 is also connected with the COM pin processing chip U；The current collection of described audion VT5
Pole also positive pole with amplifier P3 is connected；The negative pole of described polar capacitor C14 is also connected with the N pole of diode D8.
The interference signal that the signal processing unit of the present invention can dock in the collection of letters number eliminates or suppresses, and makes the signal of telecommunication more
Add steadily；And the bandwidth of viewdata signal can also be limited by the present invention, to filter the high frequency in viewdata signal
Interference and spike burr, and the High-frequency Interference in viewdata signal is filtered, make viewdata signal more totally, more
Steadily, effectively raise the present invention accuracy to signal processing, ensure that LED can accurate be controlled by the present invention.
As it has been described above, the present invention just can well be realized.
Claims (6)
1. a LED double control-type signal phase difference correction type energy-saving control system, it is characterised in that main by single-chip microcomputer, all with
Buzzer, power supply, controller, signal processing unit and the luminance sensor that single-chip microcomputer is connected, the LED being connected with controller
Lamp, and the infrared probe HW composition being connected with signal processing unit；Described signal processing unit is by processing chip U, field
Effect pipe MOS, audion VT3, positive pole is connected with the source electrode of field effect transistor MOS, negative pole is connected with the base stage of audion VT3
Polar capacitor C6, one end is connected with the source electrode of field effect transistor MOS, the other end is connected with the emitter stage of audion VT3
Resistance R7, P pole is connected with the emitter stage of audion VT3, N pole is connected with the COM pin processing chip U after resistance R8
Diode D3, after one end is connected with the colelctor electrode of audion VT3, ground connection, the other end are connected with the COM pin of process chip U
Inductance L2, negative pole is connected with the drain electrode of field effect transistor MOS, positive pole is connected with the CF pin of process chip U polarity electricity
Hold C7, respectively with the second-order filter amplifying circuit processing the CM pin of chip U and IN pin and infrared probe HW is connected,
The signal output modulate circuit being connected with the PWM pin processing chip U and OUT pin respectively, and it is serially connected in process chip U
COM pin and signal output modulate circuit between phase difference correction circuit composition；The grid of described field effect transistor MOS and place
The CC pin of reason chip U is connected, its drain electrode is also connected with the CM pin processing chip U；The colelctor electrode of described audion VT3
Ground connection；The GND pin ground connection of described process chip U, its VS pin are then connected with outside 12V DC source；Described signal is defeated
Go out modulate circuit to be connected with single-chip microcomputer.
A kind of LED double control-type signal phase difference correction type energy-saving control system the most according to claim 1, its feature exists
In, described phase difference correction electricity routing amplifier P3, audion VT5, audion VT6, P pole is connected with the base stage of audion VT5
Connect, diode D8 that N pole base stage with audion VT6 after resistance R20 is connected, the emitter stage phase of negative pole and audion VT5
Connect, positive pole is sequentially through polar capacitor C13, P pole that resistance R15 is connected with the N pole of diode D8 after resistance R18 and resistance
The diode D7 that R15 is connected with the junction point of resistance R18, N pole emitter stage with audion VT6 after resistance R16 is connected,
One end is connected with the emitter stage of audion VT6, the resistance R17 of other end ground connection, one end is connected with the N pole of diode D7,
The adjustable resistance R19 that the other end is connected with the emitter stage of audion VT6, positive pole after resistance R21 with the current collection of audion VT5
The polar capacitor C14 that pole is connected, negative pole is sequentially connected through resistance R23 outfan with amplifier P3 after resistance R24, just
Pole is connected with the negative pole of amplifier P3, the polar capacitor C15 of minus earth, positive pole after resistance R22 with the collection of audion VT6
Electrode is connected, the polar capacitor C17 of minus earth, and positive pole is connected with the colelctor electrode of audion VT6, negative pole and signal
The polar capacitor C16 composition that output modulate circuit is connected；The negative pole of described polar capacitor C13 is also managed with the COM processing chip U
Foot is connected；The colelctor electrode of described audion VT5 also positive pole with amplifier P3 is connected；The negative pole of described polar capacitor C14
Also it is connected with the N pole of diode D8.
A kind of LED double control-type signal phase difference correction type energy-saving control system the most according to claim 2, its feature exists
In, described second-order filter amplifying circuit by amplifier P1, audion VT1, audion VT2, positive pole after resistance R3 with amplifier
The polar capacitor C2 that the positive pole of P1 is connected, negative pole is connected with infrared probe HW, positive pole is connected with the negative pole of amplifier P1
Connect, polar capacitor C4 that negative pole is connected with the base stage of audion VT1, one end is connected with the negative pole of amplifier P1, the other end
The resistance R4 being connected with the base stage of audion VT1, positive pole is connected with the base stage of audion VT2, negative pole after inductance L1 with
Polar capacitor C5, the P pole that the negative pole of amplifier P1 is connected negative pole with polar capacitor C5 after resistance R6 is connected, N pole warp
The diode D2 that after resistance R5, negative pole with amplifier P1 is connected, positive pole is connected with the outfan of amplifier P1, negative pole with
Process polar capacitor C3, the P pole that is connected of IN pin of the chip U positive pole with amplifier P1 after resistance R2 be connected, N pole with
The diode D1 that the negative pole of polar capacitor C3 is connected, and negative pole is connected with the positive pole of amplifier P1, positive pole is through adjustable electric
The polar capacitor C1 composition being connected with the N pole of diode D1 after resistance R1；The grounded collector of described audion VT1, its transmitting
Pole is connected with the N pole of diode D2；The colelctor electrode of described audion VT2 with process chip U CM pin be connected after ground connection,
Its emitter stage is connected with the negative pole of polar capacitor C3.
A kind of LED double control-type signal phase difference correction type energy-saving control system the most according to claim 3, its feature exists
In, described signal output modulate circuit is connected with the OUT pin processing chip U by amplifier P2, audion VT4, positive pole, is born
Polar capacitor C9, the P pole that pole positive pole with amplifier P2 after resistance R11 is connected after resistance R9 with the sending out of audion VT4
The diode D4 that emitter-base bandgap grading is connected, N pole outfan with amplifier P2 after adjustable resistance R10 is connected, positive pole and three poles
Polar capacitor C8, the P pole of ground connection and process chip after the emitter stage of pipe VT4 is connected, negative pole is connected with the P pole of diode D4
The diode D5 that the PWM pin of U is connected, N pole is connected with the base stage of audion VT4, positive pole after resistance R13 with audion
The colelctor electrode of VT4 is connected, polar capacitor C11, the P pole of minus earth negative pole with amplifier P2 after resistance R12 is connected,
The diode D6 that the outfan of N pole amplifier P2 is connected, positive pole is connected with the outfan of amplifier P2, negative pole and single-chip microcomputer
The polar capacitor C10 being connected, and positive pole is connected with amplifier P2 outfan after resistance R14, negative pole and amplifier P2
Negative pole be connected after ground connection polar capacitor C12 composition；The negative pole of described polar capacitor C9 is the most respectively with polar capacitor C16's
Negative pole is connected with the emitter stage of audion VT4.
A kind of LED double control-type signal phase difference correction type energy-saving control system the most according to claim 4, its feature exists
In, described process chip U is the integrated chip of AD736.
A kind of LED double control-type signal phase difference correction type energy-saving control system the most according to claim 5, its feature exists
In, described infrared probe HW is KR-P900 Radix Rumicis infrared probe.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106713514A (en) * | 2017-03-24 | 2017-05-24 | 成都云材智慧数据科技有限公司 | Network control system based on big data technology |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106713514A (en) * | 2017-03-24 | 2017-05-24 | 成都云材智慧数据科技有限公司 | Network control system based on big data technology |
| CN106713514B (en) * | 2017-03-24 | 2023-07-25 | 成都大超科技有限公司 | Network control system based on big data technology |
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Application publication date: 20170104 |