CN106132036A - A kind of LED double control-type many processing of circuit type energy-saving control system - Google Patents
A kind of LED double control-type many processing of circuit type energy-saving control system Download PDFInfo
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- CN106132036A CN106132036A CN201610789577.4A CN201610789577A CN106132036A CN 106132036 A CN106132036 A CN 106132036A CN 201610789577 A CN201610789577 A CN 201610789577A CN 106132036 A CN106132036 A CN 106132036A
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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]
- H05B45/20—Controlling the colour of the light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a kind of LED double control-type many processing of circuit 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 MOS1, audion VT3, sampling hold circuit, 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 energy-conservation control of many processing of circuit type
System processed.
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 energy-conservation control of many processing of circuit type
System processed.
The present invention is achieved through the following technical solutions: a kind of LED double control-type many processing of circuit type energy-saving control system, main
Will be by single-chip microcomputer, buzzer, power supply, controller, signal processing unit and the luminance sensor being all connected with single-chip microcomputer, with control
The LED that device processed is connected, and the infrared probe HW composition being connected with signal processing unit.
Described signal processing unit by processing chip U, field effect transistor MOS1, audion VT3, positive pole and field effect transistor MOS1
The polar capacitor C6 that source electrode is connected, negative pole is connected with the base stage of audion VT3, the source electrode of one end and field effect transistor MOS1
Be connected, resistance R7, P pole that the other end is connected with the emitter stage of audion VT3 is connected with the emitter stage of audion VT3, N
The diode D3 that pole is connected with the COM pin processing chip U after resistance R8, one end is connected with the colelctor electrode of audion VT3
Connect rear ground connection, inductance L2 that the other end is connected with the COM pin of process chip U, the drain electrode phase of negative pole and field effect transistor MOS1
Connect, the polar capacitor C7 that is connected with the CF pin of process chip U of positive pole, respectively with the CM pin of process chip U and infrared
The line probe second-order filter amplifying circuit that is connected of HW, be serially connected in second-order filter amplifying circuit with the IN pin processing chip U it
Between sampling hold circuit, respectively with the signal output modulate circuit processing the PWM pin of chip U and OUT pin is connected, with
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；Described field is imitated
Should pipe MOS1 grid with process chip U CC pin be connected, its drain electrode also with process chip U CM pin be connected；Institute
State the grounded collector of audion VT3；The GND pin ground connection of described process chip U, its VS pin then with outside 12V unidirectional current
Source is connected；Described signal output modulate circuit is connected with single-chip microcomputer.
Described sampling hold circuit by amplifier P4, audion VT7, audion VT8, positive pole after resistance R28 with three poles
The polar capacitor C18 that the base stage of pipe VT7 is connected, negative pole is connected with second-order filter amplifying circuit, one end and polar capacitor C18
Positive pole be connected, the resistance R29 of other end ground connection, positive pole colelctor electrode with audion VT7 after resistance R30 is connected, negative
The polar capacitor C21 of pole ground connection, negative pole be connected with the emitter stage of audion VT7 after ground connection, positive pole after resistance R25 with three poles
The polar capacitor C19 that the colelctor electrode of pipe VT8 is connected, positive pole is connected with the grid of field effect transistor MOS2, negative pole is through resistance R31
Polar capacitor C20, the P pole that positive pole with amplifier P4 is connected afterwards is connected with the positive pole of polar capacitor C18, N pole is through resistance
The diode D9 being connected with the source electrode of field effect transistor MOS2 after R26, one end is connected with the base stage of audion VT8, the other end
The adjustable resistance R27 being connected with the drain electrode of field effect transistor MOS2, one end is connected with the emitter stage of audion VT8, the other end
Resistance R32, the P pole being connected with the outfan of amplifier P4 is connected with the positive pole of amplifier P4, N pole after resistance R33 with
The diode D10 that the outfan of amplifier P4 is connected, and negative pole be connected with the negative pole of amplifier P4 after ground connection, positive pole warp
The polar capacitor C22 composition that after resistance R34, outfan with amplifier P4 is connected；The outfan of described amplifier P4 also with place
The IN pin of reason chip U is connected.
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
Polar capacitor C3, the P pole that pole is connected with the negative pole of polar capacitor C18 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) analogue signal level value during by conversion can be carried out constant by the present invention, effectively ensures simulation
The precision of signal conversion, can make the analogue signal of input being kept stable by the signal level before changing, ensure that this
The bright accuracy to signal processing, effectively raises the present invention and LED opens and closes the accuracy controlled.
(4) 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.
(5) 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.
Fig. 4 is the electrical block diagram of the sampling hold 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
MOS1, audion VT3, resistance R7, resistance R8, polar capacitor C6, polar capacitor C7, inductance L2, diode D3, sampling keeps electricity
Road, 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 MOS1, 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 MOS1, 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 MOS1, positive pole and the CF pipe processing chip U
Foot is connected.Second-order filter amplifying circuit is connected with the CM pin processing chip U and infrared probe HW respectively.Sampling keeps
Circuit is serially connected between second-order filter amplifying circuit and the IN pin processing chip U.Signal output modulate circuit respectively with process
The PWM pin of chip U is connected with OUT pin.The COM pin that phase difference correction circuit is serially connected in process chip U is defeated with signal
Go out between modulate circuit.
The grid of described field effect transistor MOS1 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 MOS1, audion VT3, resistance R7, resistance R8, polar capacitor C6, polar capacitor C7,
Inductance L2 and diode D3 forms high impedance device, and the electromagnetic interference signal in signal can be eliminated or press down by this high impedance device
System.The signal output part that the input of described second-order filter amplifying circuit visits HW with infrared probe is connected；And signal output
The outfan of modulate 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 polar capacitor
The negative pole of C18 is 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.Described
The negative pole of polar capacitor C13 is also connected with the COM pin processing chip U；The colelctor electrode of described audion VT5 also with amplifier
The positive pole of P3 is connected；The negative pole of described polar capacitor C14 is also connected with the N pole of diode D8.
Polar capacitor C13, audion VT5 in this circuit and amplifier P3 form frequency and the phase-detection of data signal
Circuit, the drift of the phase and frequency of signal is detected by this testing circuit；Audion VT6 and adjustable resistance R19 forms school
Positive circuit, the error that the phase and frequency of data signal is occurred by this correcting circuit is corrected, wherein polar capacitor C16 conduct
Noise in data signal is leached by filter capacitor, makes the phase and frequency of data signal keep stable, can effectively carry
The precision of high data signal, ensures that the accuracy that the open and close of LED are controlled by the present invention.
As shown in Figure 4, described sampling hold circuit is by amplifier P4, audion VT7, audion VT8, field effect transistor
MOS2, resistance R25, resistance R26, adjustable resistance R27, resistance R28, resistance R29, resistance R30, resistance R31, resistance R32, resistance
R33, resistance R34, polar capacitor C18, polar capacitor C19, polar capacitor C20, polar capacitor C21, polar capacitor C22, two poles
Pipe D9, and diode D10 composition.
During connection, the positive pole of polar capacitor C18 base stage with audion VT7 after resistance R28 is connected, negative pole and second order
Filter amplification circuit is connected.One end of resistance R29 is connected with the positive pole of polar capacitor C18, other end ground connection.Polar capacitor
The positive pole of C21 colelctor electrode with audion VT7 after resistance R30 is connected, minus earth.
Wherein, the negative pole of polar capacitor C19 be connected with the emitter stage of audion VT7 after ground connection, positive pole is after resistance R25
It is connected with the colelctor electrode of audion VT8.The positive pole of polar capacitor C20 is connected with the grid of field effect transistor MOS2, negative pole warp
After resistance R31, the positive pole with amplifier P4 is connected.The P pole of diode D9 is connected with the positive pole of polar capacitor C18, N pole warp
After resistance R26, the source electrode with field effect transistor MOS2 is connected.One end of adjustable resistance R27 is connected with the base stage of audion VT8,
The other end is connected with the drain electrode of field effect transistor MOS2.
Meanwhile, one end of resistance R32 is connected with the emitter stage of audion VT8, the other end and the outfan of amplifier P4
It is connected.The P pole of diode D10 is connected with the positive pole of amplifier P4, N pole after resistance R33 with the outfan of amplifier P4
It is connected.The negative pole of polar capacitor C22 be connected with the negative pole of amplifier P4 after ground connection, positive pole after resistance R34 with amplifier
The outfan of P4 is connected.The outfan of described amplifier P4 is also connected with the IN pin processing chip U.
Audion VT4 in the sampling hold circuit of the present invention and audion VT7 defines a feedback loop, polar capacitor
C19 is included in feedback loop, thus voltage can be kept to have higher precision and the linearity.Amplifier P4 is used for exporting pulse, field
Effect pipe MOS2 is used for holding switching of sampling, and i.e. keeps polar capacitor C19 to store sampled signal information.Thus this sampling keeps electricity
Analogue signal level value during by conversion can be carried out constant by road, the effective precision ensureing analogue signal conversion,
The analogue signal of input can be made being kept stable by the signal level before changing, ensure that the present invention standard to signal processing
Really property, effectively raises the present invention and LED opens and closes the accuracy controlled.
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 (7)
1. LED double control-type many processing of circuit type energy-saving control system, it is characterised in that main by single-chip microcomputer, equal and monolithic
Buzzer, power supply, controller, signal processing unit and the luminance sensor that machine is connected, 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, field effect
Pipe MOS1, audion VT3, positive pole is connected with the source electrode of field effect transistor MOS1, negative pole is connected with the base stage of audion VT3
Polar capacitor C6, the electricity that one end is connected with the source electrode of field effect transistor MOS1, 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 two
Pole pipe 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, the polar capacitor that negative pole is connected with the drain electrode of field effect transistor MOS1, positive pole is connected with the CF pin of process chip U
C7, the second-order filter amplifying circuit being connected with the CM pin processing chip U and infrared probe HW respectively, it is serially connected in second order filter
Sampling hold circuit between ripple amplifying circuit and the IN pin processing chip U, respectively with PWM pin and the OUT processing chip U
Signal that pin is connected output modulate circuit, and be serially connected in the COM pin processing chip U and signal output modulate circuit it
Between phase difference correction circuit composition；The grid of described field effect transistor MOS1 is connected with the CC pin processing chip U, its drain electrode
Also it is connected with the CM pin processing chip U；The grounded collector of described audion VT3；The GND pin of described process chip U
Ground connection, its VS pin are then connected with outside 12V DC source；Described signal output modulate circuit is connected with single-chip microcomputer.
A kind of LED double control-type many processing of circuit type energy-saving control system the most according to claim 1, it is characterised in that institute
State sampling hold circuit by amplifier P4, audion VT7, audion VT8, positive pole after resistance R28 with the base stage of audion VT7
Be connected, polar capacitor C18 that negative pole is connected with second-order filter amplifying circuit, one end is connected with the positive pole of polar capacitor C18
Connect, the resistance R29 of other end ground connection, positive pole colelctor electrode with audion VT7 after resistance R30 is connected, the pole of minus earth
Property electric capacity C21, negative pole be connected with the emitter stage of audion VT7 after ground connection, positive pole after resistance R25 with the collection of audion VT8
The polar capacitor C19 that electrode is connected, positive pole is connected with the grid of field effect transistor MOS2, negative pole after resistance R31 with amplification
Polar capacitor C20, the P pole that the positive pole of device P4 is connected is connected with the positive pole of polar capacitor C18, N pole after resistance R26 with field
The diode D9 that the source electrode of effect pipe MOS2 is connected, one end is connected with the base stage of audion VT8, the other end and field effect transistor
The adjustable resistance R27 that the drain electrode of MOS2 is connected, one end is connected with the emitter stage of audion VT8, the other end and amplifier P4
Resistance R32, the P pole that is connected of outfan be connected with the positive pole of amplifier P4, N pole after resistance R33 with amplifier P4's
The diode D10 that outfan is connected, and negative pole be connected with the negative pole of amplifier P4 after ground connection, positive pole after resistance R34
The polar capacitor C22 composition being connected with the outfan of amplifier P4；The outfan of described amplifier P4 is also with process chip U's
IN pin is connected.
A kind of LED double control-type many processing of circuit type energy-saving control system the most according to claim 2, it is characterised in that institute
Stating phase difference correction electricity routing amplifier P3, audion VT5, audion VT6, P pole is connected with the base stage of audion VT5, N pole
The diode D8 that base stage with audion VT6 is connected after resistance R20, negative pole is connected with the emitter stage of audion VT5, just
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 R15 and electricity
The diode D7 that the junction point of resistance R18 is connected, N pole emitter stage with audion VT6 after resistance R16 is connected, one end with
The emitter stage of audion VT6 is connected, the resistance R17 of other end ground connection, and one end is connected with the N pole of diode D7, the other end
The adjustable resistance R19 being connected with the emitter stage of audion VT6, positive pole colelctor electrode with audion VT5 after resistance R21 is connected
Connect, polar capacitor C14 that negative pole is sequentially connected through resistance R23 outfan with amplifier P3 after resistance R24, positive pole with put
The negative pole of big device P3 is connected, the polar capacitor C15 of minus earth, positive pole after resistance R22 with the colelctor electrode phase of audion VT6
Connection, the polar capacitor C17 of minus earth, and positive pole is connected with the colelctor electrode of audion VT6, negative pole is adjusted with signal output
The polar capacitor C16 composition that reason circuit is connected；The negative pole of described polar capacitor C13 is also connected with the COM pin processing chip U
Connect；The colelctor electrode of described audion VT5 also positive pole with amplifier P3 is connected；The negative pole of described polar capacitor C14 is also with two
The N pole of pole pipe D8 is connected.
A kind of LED double control-type many processing of circuit type energy-saving control system the most according to claim 3, it is characterised in that institute
State second-order filter amplifying circuit by amplifier P1, audion VT1, audion VT2, positive pole after resistance R3 with amplifier P1 just
The polar capacitor C2 that pole is connected, negative pole is connected with infrared probe HW, positive pole is connected with the negative pole of amplifier P1, negative pole
The polar capacitor C4 being connected with the base stage of audion VT1, one end is connected with the negative pole of amplifier P1, the other end and audion
The resistance R4 that the base stage of VT1 is connected, positive pole is connected with the base stage of audion VT2, negative pole after inductance L1 with amplifier P1
Polar capacitor C5, the P pole that is connected of negative pole negative pole with polar capacitor C5 after resistance R6 be connected, N pole is after resistance R5
The diode D2 being connected with the negative pole of amplifier P1, positive pole is connected with the outfan of amplifier P1, negative pole and polar capacitor
Polar capacitor C3, the P pole that the negative pole of C18 is connected positive pole with amplifier P1 after resistance R2 is connected, N pole and polar capacitor
The diode D1 that the negative pole of C3 is connected, and negative pole is connected with the positive pole of amplifier P1, positive pole after adjustable resistance R1 with
The polar capacitor C1 composition that the N pole of diode D1 is connected；The grounded collector of described audion VT1, its emitter stage and two poles
The N pole of pipe D2 is connected；The colelctor electrode of described audion VT2 with process chip U CM pin be connected after ground connection, its emitter stage
It is connected with the negative pole of polar capacitor C3.
A kind of LED double control-type many processing of circuit type energy-saving control system the most according to claim 4, it is characterised in that institute
Stating signal output modulate circuit by amplifier P2, audion VT4, positive pole is connected with the OUT pin of process chip U, negative pole warp
Polar capacitor C9, the P pole that after resistance R11, positive pole with amplifier P2 is connected after resistance R9 with the emitter stage of audion VT4
Be connected, diode D4 that N pole outfan with amplifier P2 after adjustable resistance R10 is connected, positive pole and audion VT4
Emitter stage be connected, negative pole be connected with the P pole of diode D4 after ground connection polar capacitor C8, P pole with process chip U
The diode D5 that PWM pin is connected, N pole is connected with the base stage of audion VT4, positive pole after resistance R13 with audion VT4
Colelctor electrode be connected, polar capacitor C11, the P pole of minus earth negative pole with amplifier P2 after resistance R12 is connected, N pole
The diode D6 that the outfan of amplifier P2 is connected, positive pole is connected with the outfan of amplifier P2, negative pole and single-chip microcomputer phase
The polar capacitor C10 that connects, 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 negative with polar capacitor C16 the most respectively
Pole is connected with the emitter stage of audion VT4.
A kind of LED double control-type many processing of circuit type energy-saving control system the most according to claim 5, it is characterised in that institute
Stating process chip U is the integrated chip of AD736.
A kind of LED double control-type many processing of circuit type energy-saving control system the most according to claim 6, it is characterised in that institute
Stating infrared probe HW is KR-P900 Radix Rumicis infrared probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789577.4A CN106132036A (en) | 2016-08-31 | 2016-08-31 | A kind of LED double control-type many processing of circuit type energy-saving control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789577.4A CN106132036A (en) | 2016-08-31 | 2016-08-31 | A kind of LED double control-type many processing of circuit type energy-saving control system |
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| Publication Number | Publication Date |
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| CN106132036A true CN106132036A (en) | 2016-11-16 |
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| CN201610789577.4A Withdrawn CN106132036A (en) | 2016-08-31 | 2016-08-31 | A kind of LED double control-type many processing of circuit type energy-saving control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107660022A (en) * | 2017-09-25 | 2018-02-02 | 江苏师范大学 | A kind of intelligent LED lamp |
-
2016
- 2016-08-31 CN CN201610789577.4A patent/CN106132036A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107660022A (en) * | 2017-09-25 | 2018-02-02 | 江苏师范大学 | A kind of intelligent LED lamp |
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