CN105873271A - Multifunctional light-controlled energy-saving system with high sensitivity for multi-circuit LED lamp - Google Patents
Multifunctional light-controlled energy-saving system with high sensitivity for multi-circuit LED lamp Download PDFInfo
- Publication number
- CN105873271A CN105873271A CN201610205880.5A CN201610205880A CN105873271A CN 105873271 A CN105873271 A CN 105873271A CN 201610205880 A CN201610205880 A CN 201610205880A CN 105873271 A CN105873271 A CN 105873271A
- Authority
- CN
- China
- Prior art keywords
- pole
- audion
- resistance
- diode
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Amplifiers (AREA)
Abstract
The invention discloses a multifunctional light-controlled energy-saving system with high sensitivity for a multi-circuit LED lamp. The multifunctional light-controlled energy-saving system is characterized by mainly comprising a single chip microcomputer, a power supply, an infrared detector, a first brightness sensor, a second brightness sensor, a display, a data memory, an LED lamp, a trilinear drive circuit, a triode bridge-type filter circuit, a rectifying, filtering and voltage-stabilizing circuit and a signal processing and amplifying circuit, wherein the first brightness sensor, the second brightness sensor, the display, the data memory and the LED lamp all are connected with the single chip microcomputer; the trilinear drive circuit is connected between the single chip microcomputer and the LED lamp in series; the triode bridge-type filter circuit is connected between the second brightness sensor and the single chip microcomputer in series; the rectifying, filtering and voltage-stabilizing circuit is connected between the power supply and the single chip microcomputer in series; and the signal processing and amplifying circuit is connected between the infrared detector and the single chip microcomputer in series. By the multifunctional light-controlled energy-saving system for the LED lamp, a stable drive current can be output; the brightness of the LED lamp can be automatically adjusted according to the change of the ambient brightness; and automatic control on turn-on or turn-off of the LED lamp is achieved, so that the requirements of people on the LED lamp in the aspects of energy conservation and intelligent control are met.
Description
Technical field
The present invention relates to the technical field of electronic equipment, specifically refer to a kind of multicircuit LED with highly sensitive
The Multifunctional light-control energy conserving system of degree.
Background technology
At present, LED is as novel energy-conserving light source, with its environmental protection, the spy such as energy-conservation, life-span length, volume are little
Point, is extensively received by people and uses.Along with people's living standard constantly improves, no matter stay at home
Or in shop, LED brightness and energy consumption are had higher requirement, i.e. people need improving further
While LED brightness, need LED to have lower energy consumption, and the use of LED can be entered
Row intelligentized control method.
But, the LED that current people are used, owing to stability of control system is poor, and the driving of output
Electric current is unstable, it is impossible to be adjusted the brightness of LED according to the change of ambient brightness, and to LED
Being turned on and off of lamp cannot realize Automated condtrol, causes substantial amounts of energy waste, thus can not meet people
To LED in the requirement of energy-conservation aspect.
Summary of the invention
It is an object of the invention to overcome the control system of LED of the prior art, and the driving electricity of output
Stream instability, and LED is turned on and off realizing the defect of Automated condtrol, the present invention carries
For a kind of multicircuit LED highly sensitive Multifunctional light-control energy conserving system.
The present invention is achieved through the following technical solutions: a kind of multicircuit LED is with highly sensitive many
Function optical-control energy-saving system, mainly by single-chip microcomputer, power supply, infrared detector, all it is connected with single-chip microcomputer
The first luminance sensor, the second luminance sensor, display, data storage and LED, be serially connected in
Three linear drive circuits between single-chip microcomputer and LED, are serially connected between the second luminance sensor and single-chip microcomputer
Audion bridge filter circuit, the rectification filtering voltage stabilizing circuit being serially connected between power supply and single-chip microcomputer；And
The signal processing amplifying circuit composition being serially connected between infrared detector and single-chip microcomputer.
Described audion bridge filter circuit is by audion VT6, audion VT7, audion VT8, negative pole
After resistance R32, the colelctor electrode with audion VT7 is connected, positive pole is connected with the colelctor electrode of audion VT6
Polar capacitor C13, the N pole connect is connected with the base stage of audion VT6, P pole after resistance R30 with pole
The diode D11 that the negative pole of property electric capacity C13 is connected, positive pole after resistance R33 with the collection of audion VT7
The polar capacitor C14 that electrode is connected, negative pole emitter stage with audion VT6 after resistance R31 is connected,
The diode that P pole is connected with the base stage of audion VT7, N pole is connected with the negative pole of polar capacitor C14
D12, positive pole is connected with the base stage of audion VT8, negative pole after resistance R34 with audion VT7 send out
The polar capacitor C15 that emitter-base bandgap grading is connected, negative pole is connected with the base stage of audion VT8, positive pole is through resistance R36
The polar capacitor C16 that negative pole with polar capacitor C15 is connected afterwards, and P pole after resistance R35 with three
The diode D13 that the colelctor electrode of pole pipe VT7 is connected, N pole is connected with the colelctor electrode of audion VT8
Composition；The emitter stage of described audion VT7 and the equal ground connection of emitter stage of audion VT8；Described audion
The base stage of VT6 as the input of audion bridge filter circuit and is connected with the second luminance sensor；Institute
The negative pole stating polar capacitor C15 as the outfan of audion bridge filter circuit and is connected with single-chip microcomputer.
Described three linear drive circuits are by driving chip U4, audion VT3, audion VT4, audion
VT5, P pole colelctor electrode with audion VT3 after resistance R20 is connected, N pole after resistance R21 with
The diode D8 that the IN pin of driving chip U4 is connected, positive pole is connected with the colelctor electrode of audion VT3
Connect, polar capacitor C8 that negative pole is connected with the colelctor electrode of audion VT4, one end is with audion VT3's
The resistance R22 that base stage is connected, the other end is connected with the emitter stage of audion VT4, positive pole is through resistance R25
The pole that emitter stage with audion VT3 is connected afterwards, negative pole is connected with the OUT pin of driving chip U4
Property electric capacity C10, P pole positive pole with polar capacitor C10 after resistance R28 is connected, N pole is through adjustable electric
The diode D10 being connected with the OUT pin of driving chip U4 after resistance R27, negative pole and diode D10
Polar capacitor C12, the N pole that N pole is connected, positive pole is connected with the emitter stage of audion VT5 sequentially
Be connected through polar capacitor C11 base stage with audion VT5 after resistance R29, P pole is after resistance R26
The diode D9 being connected with the OUT pin of driving chip U4, and negative pole after resistance R24 with two poles
The pole that the P pole of pipe D9 is connected, positive pole is connected with the IN pin of driving chip U4 after resistance R23
Property electric capacity C9 composition；The IN pin of described driving chip U4 is connected with the base stage of audion VT4, should
The GND pin ground connection of driving chip U4；The N pole of described diode D8 and the colelctor electrode of audion VT3
It is collectively forming the input of three linear drive circuits and is connected with single-chip microcomputer；The current collection of described audion VT5
Pole ground connection, the emitter stage of this audion VT5 and the negative pole of polar capacitor C11 are collectively forming three Linear Driving electricity
The outfan on road is also connected with LED.
Described rectification filtering voltage stabilizing circuit is by transformator T, and one of them input has the secondary electricity of transformator T
The Same Name of Ends of sense coil is connected, the non-same polarity of the secondary inductance coil of another input and transformator T
The diode rectifier U2 being connected, positive pole is connected with the cathode output end of diode rectifier U2, bears
The polar capacitor C5 that pole is connected with the cathode output end of diode rectifier U2, and and diode rectification
The integrated stable voltage circuit composition that device U2 is connected；The Same Name of Ends of the former limit inductance coil of described transformator T and non-
Same Name of Ends is collectively forming the input of audion rectification filtering voltage stabilizing circuit and is connected with power supply；Described integrated
The outfan of mu balanced circuit is then connected with single-chip microcomputer.
Described integrated stable voltage circuit is by voltage stabilizing chip U3, audion VT2, field effect transistor MOS1, N pole
After adjustable resistance R16, the base stage with audion VT2 is connected, P pole is born with diode rectifier U2's
Diode D5, the P pole that pole outfan is connected IN pin with voltage stabilizing chip U3 after resistance R14 is connected
Connect, diode that N pole is sequentially connected through resistance R15 colelctor electrode with audion VT2 after resistance R18
D6, positive pole P pole with diode D6 after resistance R13 is connected, negative pole is sequentially through resistance R17 and two
The polar capacitor C6 being connected with the source electrode of field effect transistor MOS1 after the pipe D7 of pole, and positive pole and voltage stabilizing core
The OUT pin of sheet U3 is connected, negative pole drain electrode with field effect transistor MOS1 after resistance R19 is connected
Polar capacitor C7 composition；The P pole of described diode D6 and the cathode output end of diode rectifier U2
It is connected；The base stage of described audion VT2 is connected with the TD pin of voltage stabilizing chip U3, this audion
The emitter stage of VT2 is connected with the grid of field effect transistor MOS1；The source electrode of described field effect transistor MOS1 and
The negative pole of polar capacitor C7 is collectively forming the outfan of integrated stable voltage circuit.
Described signal processing amplifying circuit then by the signaling conversion circuit being connected with infrared detector, and
The signal filtering amplifying circuit composition being connected with signaling conversion circuit；Described signal filtering amplifying circuit defeated
Go out end and single-chip microcomputer.
Described signaling conversion circuit by conversion chip U1, negative pole sequentially after resistance R1 and resistance R3 with turn
The OUT pin changing chip U1 is connected, positive pole after resistance R4 with the GATE pin of conversion chip U1
The polar capacitor C1 being connected, negative pole is connected with the IN pin of conversion chip U1, positive pole turns as signal
The input changing circuit polar capacitor C2, the P pole being connected with infrared detector are after resistance R2 and turn
Change the diode that IN pin is connected, N pole is connected of chip U1 with the OUT pin of conversion chip U1
D1, and P pole GATE pin with conversion chip U1 after resistance R5 is connected, N pole is through resistance
After R6 and the OUT pin of conversion chip U1 is collectively forming outfan and the signal filtering of signaling conversion circuit
The diode D2 composition that amplifying circuit is connected；The ROYP pin of described conversion chip U1 and diode
The P pole of D1 is connected, its GND pin then ground connection.
Described signal filtering amplifying circuit is by audion VT1, and amplifier P1, P pole is through adjustable resistance R11
Anelectrode with amplifier P1 is connected afterwards, N pole outfan with amplifier P1 after resistance R12 is connected
The diode D4 connect, negative pole is connected with the OUT pin of conversion chip U1, positive pole after resistance R9 with
The polar capacitor C4 that the electrode input end of amplifier P1 is connected, negative pole is sequentially through resistance R8 and resistance R7
Base stage with audion VT1 is connected afterwards, positive pole P pole with diode D4 after resistance R10 is connected
Polar capacitor C3, and N pole is connected with the negative input of amplifier P1, P pole and audion VT1
Emitter stage be connected diode D3 composition；The base stage of described audion VT1 after resistance R6 with two poles
The N pole of pipe D2 is connected, the colelctor electrode then ground connection of this audion VT1；The negative electrode of described amplifier P1
Ground connection, its outfan then as the outfan of signal filtering amplifying circuit and are connected with single-chip microcomputer.
For guaranteeing the practical effect of the present invention, described infrared detector preferentially uses TY360 type infrared
Line detector realizes；Display the most preferentially have employed has the LCDs of touch-input function in fact
Existing；Conversion chip U1 the most preferentially uses the integrated chip of PT4107 to realize simultaneously；Described voltage stabilizing chip U3
The integrated chip of BP1361 is the most preferentially used to realize；Described driving chip U4 the most preferentially uses PAM2861
Integrated chip realizes.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) three linear drive circuits of the present invention have over-current over-voltage protection, short-circuit protection, moreover it is possible to output is steady
Fixed adjustable driving electric current, ensures that stability and the adjustability of LED brightness.
(2) 12V is generated after supply voltage can be carried out rectifying and wave-filtering by the rectification filtering voltage stabilizing circuit of the present invention straight
Stream voltage, and this 12V DC voltage can be carried out voltage stabilizing process, it is ensured that provide stable 12V for single-chip microcomputer
DC voltage.
(3) the audion bridge filter circuit of the present invention the second luminance sensor can be exported signal
In interference signal eliminate, it is ensured that the second luminance sensor output the accuracy of signal, simultaneously
Ensure that the LED accuracy with light-operated energy conserving system of the present invention.
(4) detectable signal that infrared detector exports can be converted to by the signal processing amplifying circuit of the present invention
Data signal, and will be given birth to after conversion by the signal filtering amplifying circuit being arranged in signal processing amplifying circuit
Interference signal in the data signal become eliminates or suppresses, after the data signal after simultaneously processing is amplified
Output, it is ensured that the accuracy of the data signal that single-chip microcomputer receives.
(5) present invention employs infrared detector, this infrared detector has stable performance, sensitivity
Height, the advantage such as low price.
(6) present invention employs the first luminance sensor and the second luminance sensor to realize many merits of the present invention
The brightness collection of energy light control system, the luminance signal that this first luminance sensor is gathered can accurately control
The unlatching of LED；The luminance signal of scope when LED then can be worked by the second luminance sensor is carried out
Gather, and the luminance signal gathered is transferred to single-chip microcomputer, thus realize bright in varying environment to LED
Being automatically adjusted of brightness under Du.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the present invention.
Fig. 2 is the electrical block diagram of the signal processing amplifying circuit of the present invention.
Fig. 3 is the electrical block diagram of the rectification filtering voltage stabilizing circuit of the present invention.
Fig. 4 is the electrical block diagram of three linear drive circuits of the present invention.
Fig. 5 is the electrical block diagram of the audion bridge filter 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 do not limit
In this.
As it is shown in figure 1, the present invention is mainly by single-chip microcomputer, power supply, infrared detector, all with single-chip microcomputer phase
The first luminance sensor, the second luminance sensor, display, data storage and the LED connected, string
Three linear drive circuits being connected between single-chip microcomputer and LED, are serially connected in the second luminance sensor and single-chip microcomputer
Between audion bridge filter circuit, the rectification filtering voltage stabilizing circuit being serially connected between power supply and single-chip microcomputer；
And the signal processing amplifying circuit composition being serially connected between infrared detector and single-chip microcomputer.Wherein, described
Signal processing amplifying circuit as in figure 2 it is shown, it is by the signaling conversion circuit being connected with infrared detector,
And the signal filtering amplifying circuit composition being connected with signaling conversion circuit.
Meanwhile, described rectification filtering voltage stabilizing circuit is as it is shown on figure 3, it is by transformator T, diode rectifier
U2, and integrated stable voltage circuit composition.
One of them input of described diode rectifier U2 has the same of the secondary inductance coil of transformator T
End is connected name, another input is connected with the non-same polarity of the secondary inductance coil of transformator T.Pole
The property positive pole of electric capacity C5 is connected with the cathode output end of diode rectifier U2, negative pole and diode rectification
The cathode output end of device U2 is connected.Integrated stable voltage circuit is connected with diode rectifier U2.Described change
Same Name of Ends and the non-same polarity of the former limit inductance coil of depressor T are collectively forming audion rectification filtering voltage stabilizing circuit
Input and be connected with power supply.
For guaranteeing the reliability service of the present invention, described single-chip microcomputer preferentially uses the integrated chip of QX9916J, should
The BST pin of the integrated chip of QX9916J is connected with data storage, and NC pin is connected with display,
PWM pin and the first luminance sensor are connected.The rectified filter regulator circuit of described power supply carries out rectification
Generate 12V DC voltage after filtering, and power for single-chip microcomputer after this 12V DC voltage is carried out voltage stabilizing.
As in figure 2 it is shown, described signaling conversion circuit is by conversion chip U1, resistance R1, resistance R2, resistance
R3, resistance R4, resistance R5, resistance R6, polar capacitor C1, polar capacitor C2, diode D1, with
And diode D2 composition.
During connection, the negative pole of polar capacitor C1 sequentially after resistance R1 and resistance R3 with conversion chip U1
OUT pin be connected, positive pole GATE pin with conversion chip U1 after resistance R4 is connected.
The negative pole of polar capacitor C2 is connected with the IN pin of conversion chip U1, positive pole is as signaling conversion circuit
Input and be connected with infrared detector.The P pole of diode D1 after resistance R2 with conversion chip
The IN pin of U1 is connected, N pole is connected with the OUT pin of conversion chip U1.The P of diode D2
Pole GATE pin with conversion chip U1 after resistance R5 is connected, N pole is after resistance R6 and conversion
The OUT pin of chip U1 be collectively forming signaling conversion circuit outfan and with signal filtering amplifying circuit phase
Connect.The ROYP pin of described conversion chip U1 is connected with the P pole of diode D1, its GND pipe
Foot then ground connection.
Further, described signal filtering amplifying circuit is by audion VT1, amplifier P1, resistance R7, electricity
Resistance R8, resistance R9, resistance R10, adjustable resistance R11, resistance R12, polar capacitor C3, polarity electricity
Hold C4, diode D3, and diode D4 composition.
During connection, the P pole of diode D4 anelectrode with amplifier P1 after adjustable resistance R11 is connected
Connect, N pole outfan with amplifier P1 after resistance R12 is connected.The negative pole of polar capacitor C4 with turn
The OUT pin changing chip U1 is connected, positive pole after resistance R9 with the electrode input end phase of amplifier P1
Connect.The negative pole of polar capacitor C3 sequentially after resistance R8 and resistance R7 with the base stage phase of audion VT1
Connect, positive pole P pole with diode D4 after resistance R10 is connected.The N pole of diode D3 and amplification
The negative input of device P1 is connected, P pole is connected with the emitter stage of audion VT1.
The base stage of described audion VT1 N pole with diode D2 after resistance R6 is connected, this three pole
The colelctor electrode of pipe VT1 then ground connection；The negative electrode ground connection of described amplifier P1, its outfan are then filtered as signal
The outfan of ripple amplifying circuit the RT pin of chip integrated with QX9916J are connected.
Operationally, the detectable signal that infrared detector exports can be turned the present invention by signal processing amplifying circuit
It is changed to data signal, and will conversion by the signal filtering amplifying circuit being arranged in signal processing amplifying circuit
Interference signal in the data signal of rear generation eliminates or suppresses, and the data signal after simultaneously processing is put
Output after big, thus it is guaranteed that the accuracy of the data signal of single-chip microcomputer reception.In order to preferably implement this
Invention, described conversion chip U1 the most preferentially uses the integrated chip of PT4107 to realize.
Described integrated stable voltage circuit is as it is shown on figure 3, it is by voltage stabilizing chip U3, audion VT2, field effect
Pipe MOS1, resistance R13, resistance R14, resistance R15, resistance R16, resistance R17, resistance R18,
Resistance R19, polar capacitor C6, polar capacitor C7, diode D5, diode D6, and diode
D7 forms.
During connection, the N pole of diode D5 base stage with audion VT2 after adjustable resistance R16 is connected
Connect, P pole is connected with the cathode output end of diode rectifier U2.The P pole of diode D6 is through resistance R14
Afterwards the IN pin with voltage stabilizing chip U3 be connected, N pole sequentially after resistance R15 and resistance R18 with three poles
The colelctor electrode of pipe VT2 is connected.The positive pole of polar capacitor C6 after resistance R13 with the P of diode D6
Pole is connected, its negative pole P pole with diode D7 after resistance R17 is connected, described diode D7's
N pole is then connected with the source electrode of field effect transistor MOS1.The positive pole of polar capacitor C7 is with voltage stabilizing chip U3's
OUT pin is connected, negative pole drain electrode with field effect transistor MOS1 after resistance R19 is connected.
The P pole of described diode D6 is connected with the cathode output end of diode rectifier U2；Described three
The base stage of pole pipe VT2 is connected with the TD pin of voltage stabilizing chip U3, the emitter stage of this audion VT2 with
The grid of field effect transistor MOS1 is connected；The source electrode of described field effect transistor MOS1 and the integrated core of QX9916J
The VCC1 pin of sheet；The negative pole of described polar capacitor C7 and the VCC2 pin of the integrated chip of QX9916J
It is connected.Operationally, rectification filtering voltage stabilizing circuit is raw after supply voltage can carry out rectifying and wave-filtering for the present invention
Become 12V DC voltage, and this 12V DC voltage can be carried out voltage stabilizing process, it is ensured that provide steady for single-chip microcomputer
Fixed 12V DC voltage.For preferably implementing the present invention, described voltage stabilizing chip U3 the most preferentially uses
The integrated chip of BP1361 realizes.
As shown in Figure 4, it is by driving chip U4, audion VT3, three poles for described three linear drive circuits
Pipe VT4, audion VT5, resistance R20, resistance R21, resistance R22, resistance R23, resistance R24,
Resistance R25, resistance R26, adjustable resistance R27, resistance R28, resistance R29, polar capacitor C8, pole
Property electric capacity C9, polar capacitor C10, polar capacitor C11, polar capacitor C12, diode D8, diode
D9, and diode D10 composition.
During connection, the P pole of diode D8 colelctor electrode with audion VT3 after resistance R20 is connected,
N pole IN pin with driving chip U4 after resistance R21 is connected.The positive pole of polar capacitor C8 and three
The colelctor electrode of pole pipe VT3 is connected, negative pole is connected with the colelctor electrode of audion VT4.The one of resistance R22
End is connected with the base stage of audion VT3, the other end is connected with the emitter stage of audion VT4.Polarity electricity
The positive pole emitter stage with audion VT3 after resistance R25 holding C10 is connected, negative pole and driving chip
The OUT pin of U4 is connected.
The P pole of described diode D10 positive pole with polar capacitor C10 after resistance R28 is connected, N
Pole OUT pin with driving chip U4 after adjustable resistance R27 is connected.The negative pole of polar capacitor C12
Be connected with the N pole of diode D10, positive pole is connected with the emitter stage of audion VT5.Described diode
The P pole of D9 OUT pin with driving chip U4 after resistance R26 is connected, its N pole and polarity electricity
Hold C11 positive pole be connected, the negative pole of described polar capacitor C11 after resistance R29 with audion VT5
Base stage be connected.The negative pole of polar capacitor C9 P pole with diode D9 after resistance R24 is connected,
Positive pole IN pin with driving chip U4 after resistance R23 is connected.
The IN pin of described driving chip U4 is connected with the base stage of audion VT4, this driving chip U4
GND pin ground connection；The N pole of described diode D8 and the OUT1 pin of the integrated chip of QX9916J
It is connected；The OUT2 pin of the colelctor electrode chip integrated with QX9916J of described audion VT3 be connected；
The grounded collector of described audion VT5, the emitter stage of this audion VT5 and the negative pole of polar capacitor C11
It is collectively forming the outfan of three linear drive circuits and is connected with LED.The present invention operationally, three lines
Property drive circuit there is over-current over-voltage protection, short-circuit protection, moreover it is possible to output stablize adjustable driving electric current.For
Preferably implementing the present invention, described driving chip U4 the most preferentially uses the integrated chip of PAM2861 to realize.
Described audion bridge filter circuit is as it is shown in figure 5, it is by audion VT6, audion VT7, three
Pole pipe VT8, resistance R30, resistance R31, resistance R32, resistance R33, resistance R34, resistance R35,
Resistance R36, polar capacitor C13, polar capacitor C14, polar capacitor C15, polar capacitor C16, two poles
Pipe D11, diode D12, and diode D13 form.
During connection, the negative pole of polar capacitor C13 colelctor electrode with audion VT7 after resistance R32 is connected
Connect, positive pole is connected with the colelctor electrode of audion VT6.The N pole of diode D11 is with audion VT6's
Base stage is connected, P pole negative pole with polar capacitor C13 after resistance R30 is connected.Polar capacitor C14
Positive pole colelctor electrode with audion VT7 after resistance R33 be connected, negative pole after resistance R31 with three poles
The emitter stage of pipe VT6 is connected.The P pole of diode D12 is connected with the base stage of audion VT7, N
Pole is connected with the negative pole of polar capacitor C14.
The positive pole of described polar capacitor C15 is connected with the base stage of audion VT8, negative pole is through resistance R34
Emitter stage with audion VT7 is connected afterwards.The base stage phase of the negative pole of polar capacitor C16 and audion VT8
Connect, positive pole negative pole with polar capacitor C15 after resistance R36 is connected.The P pole warp of diode D13
After resistance R35, the colelctor electrode with audion VT7 is connected, N pole is connected with the colelctor electrode of audion VT8.
The emitter stage of described audion VT7 and the equal ground connection of emitter stage of audion VT8；Described audion VT6
Base stage as the input of audion bridge filter circuit and be connected with the second luminance sensor；Described pole
The negative pole of property electric capacity C15 is as the outfan of audion bridge filter circuit chip integrated with QX9916J
SET pin is connected.Operationally, audion bridge filter circuit can be to the second luminance sensor for the present invention
Exported signal in interference signal eliminate, it is ensured that the second luminance sensor output letter
Number accuracy.
During operation, described infrared detector preferentially uses TY360 type infrared detector to realize, and this is red
Outer line detector is for detecting the people entered in the range of LED, and the letter that will be detected
Breath is transferred to monolithic after signal processing amplifying circuit converts the signal into data signal and carries out filter and amplification
Machine.When the information that infrared detector is transmitted for there being people to enter when, described single-chip microcomputer then exports letter
Number give the first luminance sensor.First luminance sensor of the present invention have employed APDS-9002 brightness impression device,
Monochrome information in the range of LED is then acquired by described first luminance sensor, and will be adopted
Collection luminance signal be transferred to single-chip microcomputer, single-chip microcomputer then by this luminance signal by process after be converted to brightness
Data signal the brightness value opened with the LED prestored in data storage are compared, if this is real
During the brightness value that border brightness data signal is opened less than the LED that prestores in data storage, described monolithic
Machine output control electric current gives three linear drive circuits, and three described linear drive circuits export according to single-chip microcomputer
Controlling electric current output drives electric current to LED accordingly, and now LE lamp is lit.Otherwise, this reality is bright
During the brightness value that degrees of data signal is opened more than the LED that prestores in data storage, described single-chip microcomputer is then
Will not export control electric current give three linear drive circuits, now LED is not lit.
Meanwhile, second luminance sensor of the present invention is also the APDS-9002 brightness impression device used, and this is the years old
The brightness of two luminance sensors working range after being lit LED is acquired, and will be gathered
Luminance signal after the interference signal in signal is eliminated by audion bridge filter circuit, be transferred to monolithic
Machine, single-chip microcomputer then controls the brightness of LED, makes the bright of this LED according to the luminance signal received
Degree keeps consistent with the brightness value during work of the LED prestored in data storage.When the second brightness senses
Device collect the brightness of the working range after LED is lit dimmed time, single-chip microcomputer increases output the most accordingly
Control electric current；Otherwise, when the second luminance sensor collects the brightness of the working range after LED is lit
When brightening, single-chip microcomputer reduces the control electric current of output the most accordingly, so that the operating brightness of LED and data
The operating brightness value of the LED prestored in memorizer keeps consistent.
Wherein, the display of the present invention the most preferentially have employed and has the LCDs of touch-input function in fact
Existing.Described display is for being adjusted the brightness value prestored in data storage, and people can basis
Individual Man's Demands is come in data storage by the function key with the LCDs of touch-input function
Brightness value when opening brightness value and work of the LED prestored is adjusted.
Brightness will not be acquired after LED is lit by first luminance sensor of the present invention, and works as
Described infrared detector detects people when leaving, and transmits the signal to single-chip microcomputer, described monolithic
Machine then stops controlling electric current to LED output, and now, this LED is closed.
As it has been described above, the present invention just can well be realized.
Claims (10)
1. a multicircuit LED is with highly sensitive Multifunctional light-control energy conserving system, it is characterised in that
Mainly by single-chip microcomputer, power supply, infrared detector, the first luminance sensor being all connected with single-chip microcomputer,
Second luminance sensor, display, data storage and LED, be serially connected between single-chip microcomputer and LED
Three linear drive circuits, the audion bridge-type filtered electrical being serially connected between the second luminance sensor and single-chip microcomputer
Road, the rectification filtering voltage stabilizing circuit being serially connected between power supply and single-chip microcomputer；And it is serially connected in infrared detector
And the signal processing amplifying circuit composition between single-chip microcomputer.
The one the most according to claim 1 highly sensitive Multifunctional light-control of multicircuit LED
Energy conserving system, it is characterised in that described audion bridge filter circuit by audion VT6, audion VT7,
Audion VT8, negative pole colelctor electrode with audion VT7 after resistance R32 is connected, positive pole and audion
Polar capacitor C13, the N pole that the colelctor electrode of VT6 is connected is connected with the base stage of audion VT6, P pole
The diode D11 that negative pole with polar capacitor C13 is connected after resistance R30, positive pole is after resistance R33
Be connected with the colelctor electrode of audion VT7, negative pole emitter stage with audion VT6 after resistance R31 is connected
Polar capacitor C14, the P pole connect is connected with the base stage of audion VT7, N pole and polar capacitor C14
The diode D12 that negative pole is connected, positive pole is connected with the base stage of audion VT8, negative pole is through resistance R34
The polar capacitor C15 that emitter stage with audion VT7 is connected afterwards, the base stage phase of negative pole and audion VT8
Connect, polar capacitor C16 that positive pole negative pole with polar capacitor C15 after resistance R36 is connected, and
P pole colelctor electrode with audion VT7 after resistance R35 is connected, the colelctor electrode of N pole and audion VT8
The diode D13 composition being connected；The emitter stage of described audion VT7 and the emitter stage of audion VT8 are equal
Ground connection；The base stage of described audion VT6 as audion bridge filter circuit input and with the second brightness
Sensor is connected；The negative pole of described polar capacitor C15 as audion bridge filter circuit outfan also
It is connected with single-chip microcomputer.
The one the most according to claim 2 highly sensitive Multifunctional light-control of multicircuit LED
Energy conserving system, it is characterised in that described three linear drive circuits are by driving chip U4, audion VT3, three
Pole pipe VT4, audion VT5, P pole colelctor electrode with audion VT3 after resistance R20 is connected, N
The diode D8 that pole is connected with the IN pin of driving chip U4 after resistance R21, positive pole and audion
The polar capacitor C8 that the colelctor electrode of VT3 is connected, negative pole is connected with the colelctor electrode of audion VT4, one end
Be connected with the base stage of audion VT3, resistance R22 that the other end is connected with the emitter stage of audion VT4,
Positive pole emitter stage with audion VT3 after resistance R25 is connected, the OUT of negative pole and driving chip U4
Polar capacitor C10, the P pole that pin is connected positive pole with polar capacitor C10 after resistance R28 is connected,
The diode D10 that N pole is connected with the OUT pin of driving chip U4 after adjustable resistance R27, negative pole
Be connected with the N pole of diode D10, polar capacitor that positive pole is connected with the emitter stage of audion VT5
C12, N pole is sequentially connected through polar capacitor C11 base stage with audion VT5 after resistance R29, P
The diode D9 that pole is connected with the OUT pin of driving chip U4 after resistance R26, and negative pole is through electricity
Be connected with the P pole of diode D9 after resistance R24, positive pole after resistance R23 with the IN of driving chip U4
The polar capacitor C9 composition that pin is connected；The IN pin of described driving chip U4 is with audion VT4's
Base stage is connected, the GND pin ground connection of this driving chip U4；The N pole of described diode D8 and three poles
The colelctor electrode of pipe VT3 is collectively forming the input of three linear drive circuits and is connected with single-chip microcomputer；Described three
The grounded collector of pole pipe VT5, the emitter stage of this audion VT5 and the common shape of negative pole of polar capacitor C11
Become the outfan of three linear drive circuits and be connected with LED.
The one the most according to claim 3 highly sensitive Multifunctional light-control of multicircuit LED
Energy conserving system, it is characterised in that described rectification filtering voltage stabilizing circuit is by transformator T, and one of them input has
The Same Name of Ends of the secondary inductance coil of transformator T is connected, another input is electric with the secondary of transformator T
The diode rectifier U2 that the non-same polarity of sense coil is connected, positive pole and the negative pole of diode rectifier U2
The polar capacitor C5 that outfan is connected, negative pole is connected with the cathode output end of diode rectifier U2,
And the integrated stable voltage circuit composition being connected with diode rectifier U2；The former limit inductance of described transformator T
The Same Name of Ends of coil and non-same polarity are collectively forming input and the power supply of audion rectification filtering voltage stabilizing circuit
It is connected；The outfan of described integrated stable voltage circuit is then connected with single-chip microcomputer.
The one the most according to claim 4 highly sensitive Multifunctional light-control of multicircuit LED
Energy conserving system, it is characterised in that described integrated stable voltage circuit is imitated by voltage stabilizing chip U3, audion VT2, field
Should pipe MOS1, N pole base stage with audion VT2 after adjustable resistance R16 is connected, P pole and two poles
Diode D5, the P pole that the cathode output end of pipe commutator U2 is connected after resistance R14 with voltage stabilizing chip
The IN pin of U3 is connected, N pole sequentially after resistance R15 and resistance R18 with the current collection of audion VT2
The diode D6 that pole is connected, positive pole P pole with diode D6 after resistance R13 is connected, negative pole is suitable
The secondary polar capacitor C6 being connected with the source electrode of field effect transistor MOS1 after diode D7 through resistance R17,
And positive pole is connected with the OUT pin of voltage stabilizing chip U3, negative pole after resistance R19 with field effect transistor
The polar capacitor C7 composition that the drain electrode of MOS1 is connected；The P pole of described diode D6 and diode rectification
The cathode output end of device U2 is connected；The base stage of described audion VT2 and the TD pin of voltage stabilizing chip U3
Being connected, the emitter stage of this audion VT2 is connected with the grid of field effect transistor MOS1；Described field effect
The source electrode of pipe MOS1 and the negative pole of polar capacitor C7 are collectively forming the outfan of integrated stable voltage circuit.
The one the most according to claim 5 highly sensitive Multifunctional light-control of multicircuit LED
Energy conserving system, it is characterised in that described signal processing amplifying circuit is then by being connected with infrared detector
Signaling conversion circuit, and the signal filtering amplifying circuit composition being connected with signaling conversion circuit；Described letter
The outfan of number filter amplification circuit and single-chip microcomputer.
The one the most according to claim 6 highly sensitive Multifunctional light-control of multicircuit LED
Energy conserving system, it is characterised in that described signaling conversion circuit is by conversion chip U1, and negative pole is sequentially through resistance R1
Be connected with OUT pin with conversion chip U1 after resistance R3, positive pole after resistance R4 with conversion chip
The polar capacitor C1 that the GATE pin of U1 is connected, negative pole is connected with the IN pin of conversion chip U1,
Positive pole is as the input of signaling conversion circuit polar capacitor C2, the P pole that is connected with infrared detector
After resistance R2 the IN pin with conversion chip U1 be connected, the OUT pipe of N pole and conversion chip U1
The diode D1 that foot is connected, and P pole after resistance R5 with the GATE pin phase of conversion chip U1
Connect, N pole is after resistance R6 and the OUT pin of conversion chip U1 is collectively forming the defeated of signaling conversion circuit
Go out end the diode D2 composition being connected with signal filtering amplifying circuit；The ROYP of described conversion chip U1
Pin is connected with the P pole of diode D1, its GND pin then ground connection.
The one the most according to claim 7 highly sensitive Multifunctional light-control of multicircuit LED
Energy conserving system, it is characterised in that described signal filtering amplifying circuit is by audion VT1, amplifier P1, P
Pole anelectrode with amplifier P1 after adjustable resistance R11 is connected, N pole after resistance R12 with amplifier
The diode D4 that the outfan of P1 is connected, negative pole is connected, just with the OUT pin of conversion chip U1
The polar capacitor C4 that pole electrode input end with amplifier P1 after resistance R9 is connected, negative pole is sequentially through electricity
Resistance R8 is connected with base stage with audion VT1 after resistance R7, positive pole after resistance R10 with diode
The polar capacitor C3 that the P pole of D4 is connected, and N pole is connected with the negative input of amplifier P1,
The diode D3 composition that P pole is connected with the emitter stage of audion VT1；The base stage of described audion VT1
After resistance R6, the N pole with diode D2 is connected, the colelctor electrode then ground connection of this audion VT1；Institute
State the negative electrode ground connection of amplifier P1, its outfan then as signal filtering amplifying circuit outfan and with list
Sheet machine is connected.
The one the most according to claim 8 highly sensitive Multifunctional light-control of multicircuit LED
Energy conserving system, it is characterised in that described display have employed the LCDs with touch-input function；
Described infrared detector is TY360 type infrared detector.
The one the most according to claim 9 highly sensitive multifunctional light of multicircuit LED
Control energy conserving system, it is characterised in that described conversion chip U1 is the integrated chip of PT4107；Described voltage stabilizing core
Sheet U3 is the integrated chip of BP1361；Described driving chip U4 is the integrated chip of PAM2861.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205880.5A CN105873271A (en) | 2016-04-01 | 2016-04-01 | Multifunctional light-controlled energy-saving system with high sensitivity for multi-circuit LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205880.5A CN105873271A (en) | 2016-04-01 | 2016-04-01 | Multifunctional light-controlled energy-saving system with high sensitivity for multi-circuit LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105873271A true CN105873271A (en) | 2016-08-17 |
Family
ID=56627124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610205880.5A Pending CN105873271A (en) | 2016-04-01 | 2016-04-01 | Multifunctional light-controlled energy-saving system with high sensitivity for multi-circuit LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105873271A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873710A (en) * | 2021-08-13 | 2021-12-31 | 浙江嘀视科技有限公司 | Light control circuit and light control device using same |
-
2016
- 2016-04-01 CN CN201610205880.5A patent/CN105873271A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873710A (en) * | 2021-08-13 | 2021-12-31 | 浙江嘀视科技有限公司 | Light control circuit and light control device using same |
| CN113873710B (en) * | 2021-08-13 | 2024-03-08 | 浙江嘀视科技有限公司 | Light control circuit and light control device using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105353799A (en) | Intelligent paint dryer temperature-control system based on A/D converting circuit | |
| CN105848364A (en) | Dimmable LED constant-current output driving system based on power amplifying circuit | |
| CN105848337A (en) | LED lamp light-operated energy saving system based on trilinear drive circuit | |
| CN105407580A (en) | High-sensitivity and multi-functional control system for multi-circuit light emitting diode (LED) lamp | |
| CN105873271A (en) | Multifunctional light-controlled energy-saving system with high sensitivity for multi-circuit LED lamp | |
| CN105430796A (en) | Intelligent LED lamp energy saving control system based on two-stage filtering signal amplification circuit | |
| CN105764195A (en) | LED lamp-used multifunctional light-controlled energy-saving system with multi-circuit processing | |
| CN105376891A (en) | Multifunctional LED lamp intelligent control system | |
| CN105376892A (en) | Intelligent LED lamp control system based on adjustable constant-current drive circuit | |
| CN105873270A (en) | Multifunctional light-controlled energy-saving system for LED lamp for combined circuit processing | |
| CN105517235A (en) | Constant-current driving circuit-based multifunctional control system for LED lamp | |
| CN105517234A (en) | Hybrid type multi-circuit multifunctional control system for LED lamp | |
| CN105491714A (en) | Multi-circuit multifunctional control system for LED lamp | |
| CN105392237A (en) | Multifunctional control system for hybrid LED lamp | |
| CN105828477A (en) | Multifunctional light-operated energy-saving system for hybrid high-precision LED lamp | |
| CN105898915A (en) | Light-controlled energy saving system for LED lamps based on transistor bridge type filter circuit | |
| CN105376895A (en) | LED lamp multifunctional control system based on brightness signal processing circuit | |
| CN105430795A (en) | Energy saving control system of intelligent LED lamp based on compound double-order filter circuit | |
| CN105423387A (en) | Energy-saving control based on hybrid multiple circuits for range hood | |
| CN105517225A (en) | Energy-saving control system of intelligent LED lamp | |
| CN106132036A (en) | A kind of LED double control-type many processing of circuit type energy-saving control system | |
| CN106028514A (en) | Over-current protection type high-power LED power supply based on constant current drive circuit | |
| CN106301025A (en) | A kind of voltage buffer power supply of anode electrolytic cell current measuring device surging suppression | |
| CN105764193A (en) | LED lamp-used multifunctional light-controlled energy-saving system based on rectifier filter voltage stabilization circuit | |
| CN105357843A (en) | Intelligent LED lamp energy-saving control system based on constant-current rectification filter circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160817 |