CN105916235A - Adjustable-brightness LED strip energy-saving control system with stable performance - Google Patents
Adjustable-brightness LED strip energy-saving control system with stable performance Download PDFInfo
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- CN105916235A CN105916235A CN201610229262.4A CN201610229262A CN105916235A CN 105916235 A CN105916235 A CN 105916235A CN 201610229262 A CN201610229262 A CN 201610229262A CN 105916235 A CN105916235 A CN 105916235A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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Abstract
The invention discloses an adjustable-brightness LED strip energy-saving control system with stable performance. The adjustable-brightness LED strip energy-saving control system comprises a single-chip microcomputer, a sound sensor, a brightness sensor, a buzzer, a transistor voltage stabilization filter circuit and a dimming control circuit, wherein the sound sensor, the brightness sensor, the buzzer, the transistor voltage stabilization filter circuit and the dimming control circuit are connected with the single-chip microcomputer. The adjustable-brightness LED strip energy-saving control system further comprises a power supply which is connected with the input end of the transistor voltage stabilization filter circuit, and an LED strip which is connected with the dimming control circuit. The transistor voltage stabilization filter circuit comprises a rectification filter circuit and a DC voltage stabilization circuit which is connected with the rectification filter circuit. The rectification filter circuit comprises a transformer T, a diode rectifier U and a polar capacitor C6. According to the adjustable-brightness LED strip energy-saving control system, a sound wave signal of indoor sound is acquired through a sound sensor, and an indoor ambient brightness signal is acquired through a brightness sensor. Furthermore, through analysis processing of the single-chip microcomputer to the sound wave signal and the brightness signal, automatic brightness adjustment and automatic on-and-off of the LED strip are realized, thereby effectively saving electric power resource.
Description
Technical field
The present invention relates to electronic applications, specifically, be the brightness adjustable LED lamp of a kind of stable performance
Band energy-saving control system.
Background technology
Now with the improving constantly of living standard of people, to the requirement of the landscaping of life the most increasingly
Height, people, for the living environment made oneself beautiful, just use and have the LED of various light sources color right
Indoor are beautified, and people are many LED is disposed in the interior the undercut at top in formed beauty the ring of light,
This ring of light can not only beautify living environment, moreover it is possible to bring a kind of beautiful light at night for people.But,
The electrical switch of on-off control system many employings Non-follow control of existing LED, this electrical switch without
The brightness of LED is automatically adjusted by method according to the change of room brilliancy, and meanwhile, people are in life
Leave for a long time after opening LED and often can forget to close LED, thus cause the pole of electric power resource
Big waste.
Therefore it provides one can be automatically adjusted LED according to the change of indoor environment brightness from opening and closing simultaneously
The control system of light bar brightness, be people be eager solve problem.
Summary of the invention
The control system that it is an object of the invention to overcome current LED cannot be from opening and closing, simultaneously can not
Be automatically adjusted the defect of LED brightness, it is provided that the brightness adjustable LED lamp band of a kind of stable performance energy-conservation
Control system.
The present invention is achieved through the following technical solutions: the brightness adjustable LED lamp belt segment of a kind of stable performance
Energy control system, including single-chip microcomputer, the sound transducer being all connected with single-chip microcomputer, luminance sensor, honeybee
Ring device, transistor stabilized filter circuit and adjusting control circuit, with the input of transistor stabilized filter circuit
The power supply being connected, and the LED being connected with adjusting control circuit；Described transistor stabilized filtering
Circuit includes current rectifying and wave filtering circuit, and the direct current regulation circuit being connected with current rectifying and wave filtering circuit；Described direct current
The outfan of mu balanced circuit is connected with LED.
Described current rectifying and wave filtering circuit includes transformator T, one of them input and the secondary inductance of transformator T
The Same Name of Ends of coil is connected, another input is connected with the non-same polarity of the secondary inductance coil of transformator T
The diode rectifier U connect, and positive pole is connected with the gate output terminal of diode rectifier U, negative pole
The polar capacitor C6 being connected with the cathode output end of diode rectifier U；Described diode rectifier U's
Cathode output end and cathode output end be collectively forming current rectifying and wave filtering circuit outfan and with direct current regulation circuit phase
Connect；Same Name of Ends and the non-same polarity of the former limit inductance coil of described transformator T are collectively forming transistor stabilized
The input of filter circuit is connected with power supply.
Described direct current regulation circuit is by audion VT3, audion VT4, audion VT5, N pole sequentially warp
After resistance R21 and resistance R20 the base stage with audion VT3 be connected, P pole and diode rectifier U
Diode D5, the N pole that cathode output end is connected is connected with the colelctor electrode of audion VT4, P pole is through electricity
The diode D6 being connected with the cathode output end of diode rectifier U after resistance R16, one end and audion
The resistance R18 that the colelctor electrode of VT4 is connected, the other end is connected with the colelctor electrode of audion VT3, negative pole
After resistance R25, the colelctor electrode with audion VT5 is connected, positive pole is sequentially through resistance R19 and resistance R17
The polar capacitor C7 being connected with the P pole of diode D6 afterwards, negative pole is connected with the emitter stage of audion VT5
Connect, polar capacitor C8, N pole that positive pole emitter stage with audion VT4 after resistance R24 is connected is through electricity
Be connected with the emitter stage of audion VT4 after resistance R23, P pole is sequentially through resistance R27 and adjustable resistance R28
The diode D7 that base stage with audion VT5 is connected afterwards, positive pole after resistance R26 with audion VT5
Emitter stage be connected, the P pole of negative pole and diode D7 is collectively forming the pole of outfan of direct current regulation circuit
Property electric capacity C9, and one end is connected with the N pole of diode D5, the other end and polar capacitor C9 just
The resistance R22 composition that pole is connected.
Described adjusting control circuit includes that the sampling that input is connected with single-chip microcomputer triggers circuit, and input
The electric current regulation output circuit that the outfan of circuit is connected is triggered with sampling；Described electric current regulation output circuit
Outfan be connected with LED.
Described sampling trigger electricity routing amplifier P1, polar capacitor C1, P pole after resistance R2 with amplifier
The positive pole of P1 is connected, N pole is connected with the negative pole of polar capacitor C1 diode D1, P pole and amplification
The diode D2 that the outfan of device P1 is connected, N pole negative pole with amplifier P1 after resistance 3 is connected,
Positive pole outfan with amplifier P1 after resistance R9 is connected, polar capacitor C4, the N pole of minus earth
After resistance R8 the positive pole with polar capacitor C4 be connected, P pole sequentially after resistance R4 and resistance R5 with
The diode D3 that the N pole of diode D1 is connected, negative pole after resistance R3 with the N pole of diode D3
Be connected, polar capacitor C3 that positive pole is connected with the junction point of resistance R4 with resistance R5, one end and two poles
The adjustable resistance R6 that the N pole of pipe D3 is connected, the other end is connected with the N pole of diode D1, and
Positive pole is sequentially connected through resistance R10 positive pole with amplifier P1 after resistance R1, negative pole and diode D3
N pole be collectively forming sampling trigger circuit outfan polar capacitor C2 composition；Described amplifier P1's
Positive pole is connected with the positive pole of polar capacitor C1；The negative pole of described polar capacitor C1 is collectively forming with positive pole to be adopted
Sample triggers the input of circuit.
Described electric current regulation output circuit is by amplifier P2, audion VT1, and audion VT2, P pole is through electricity
Be connected with the colelctor electrode of audion VT1 after sense L, N pole is sequentially after adjustable resistance R12 and resistance R11
The diode D4 being connected with the base stage of audion VT1, negative pole is connected with the colelctor electrode of audion VT2,
The polar capacitor C5 that positive pole negative pole with amplifier P2 after resistance R13 is connected, one end and audion VT2
The resistance R15 that colelctor electrode is connected, the other end is connected with the negative pole of amplifier P2, and one end and amplification
The resistance R14 composition that the outfan of device P2 is connected, the other end is connected with the base stage of audion VT2；
The positive pole of described amplifier P2 is connected with the N pole of diode D3；The emitter stage of described audion VT1 with
The negative pole of polar capacitor C2 is connected；The N pole phase of the emitter stage of described audion VT2 and diode D4
Connect, this audion VT2 grounded collector；The P pole of described diode D4 and the current collection of audion VT2
Pole is collectively forming the outfan of electric current regulation output circuit.
For guaranteeing the practical effect of the present invention, described sound transducer is RB-02S074 sound sensor
Device；Described luminance sensor is GB5-A1EL luminance sensor.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention passes through the luminance sensor collection to the monochrome information of indoor ambient brightness, and sound
The sensor collection to indoor acoustic information, the brightness that single-chip microcomputer is then gathered by the luminance sensor received
The brightness of LED is effectively regulated by information, and single-chip microcomputer is also by sound transducer collection simultaneously
Acoustic information control the open and close in LED, thus present invention achieves LED
From opening and closing and the requirement of automatic brightness adjustment.
(2) power supply can be obtained the straight of 12V after rectifying and wave-filtering by the transistor stabilized filter circuit of the present invention
Stream voltage, meanwhile, the 12V DC voltage obtained can also be carried out voltage stabilizing regulation by this circuit, can be single-chip microcomputer
One stable running voltage is provided, thus improve the LED energy-saving control system work of the present invention
Stability.
(3) adjusting control circuit of the present invention is when the different control electric current that single-chip microcomputer exports, this regulation control
The electric current of single-chip microcomputer output can effectively be regulated and export and drive electric current accordingly by circuit processed, thus really
Protect the present invention and can effectively control the brightness of LED.
(4) the RB-02S074 sound transducer that present invention employs stable performance comes indoor acoustic information
Being monitored, the indoor acoustic information of monitoring effectively can be converted to the signal of telecommunication and be transferred to by this sound transducer
Single-chip microcomputer, ensures that this control system can effectively control automatically turning on and closing of LED.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of the adjusting control circuit of the present invention.
Fig. 3 is the electrical block diagram of the transistor stabilized filter circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is described in further detail, but the enforcement of the present invention
Mode is not limited to this.
As it is shown in figure 1, the present invention includes single-chip microcomputer, the sound transducer that is all connected with single-chip microcomputer, brightness
Sensor, buzzer, transistor stabilized filter circuit and adjusting control circuit, with transistor stabilized filtered electrical
The power supply that the input on road is connected, and the LED being connected with adjusting control circuit.Wherein, institute
State adjusting control circuit as in figure 2 it is shown, it includes that the sampling that input is connected with single-chip microcomputer triggers circuit,
The electric current regulation output circuit being connected with the outfan of input with sampling triggering circuit；Described electric current regulates
The outfan of output circuit is connected with LED.
For guaranteeing the reliability service of the present invention, the single-chip microcomputer of the present invention the most preferentially have employed FM8PE59B monolithic
Machine, the TI0 pin of this FM8PE59A single-chip microcomputer is connected with buzzer, TI1 pin and data storage
Being connected, meanwhile, CKI pin is connected with sound transducer with RXD pin, and ZXD pin passes with brightness
Sensor is connected.Power supply can be obtained 12V's after rectifying and wave-filtering by described transistor stabilized filter circuit
DC voltage, meanwhile, the 12V DC voltage obtained can also be carried out voltage stabilizing regulation by this circuit, this 12V's
DC voltage is that single-chip microcomputer is powered, thus improves the steady of the LED energy-saving control system work of the present invention
Qualitative.
When the present invention runs, described sound transducer the most preferentially have employed the RB-02S074 sound of stable performance
Sound sensor realizes, and this sound transducer is for monitoring the acoustic signals of the sound of indoor, this sound simultaneously
The acoustic signals of monitoring is to be transferred to single-chip microcomputer after the signal of telecommunication by sensor.Described luminance sensor is the most preferentially adopted
Realizing with having high-precision GB5-A1EL luminance sensor, this luminance sensor is used for gathering indoor
The luminance signal of environment, this luminance sensor is transferred to monolithic after the luminance signal of collection is converted to the signal of telecommunication
Machine, single-chip microcomputer obtains the brightness value of indoor environment after the signal of telecommunication analyzing and processing to receiving.
Wherein, this single-chip microcomputer receives sound transducer and collects when having acoustic signals of indoor, and single-chip microcomputer is then
The brightness value obtained after the signal analysis and processing of the brightness according to the indoor environment that luminance sensor is collected
Size exports the corresponding electric current that controls to adjusting control circuit, and this adjusting control circuit exports according to single-chip microcomputer
Different control electric currents regulate and export and corresponding drive electric current to LED, i.e. LED is opened
Open.When the brightness value height that single-chip microcomputer receives, single-chip microcomputer then exports low control electric current, and LED sends
Half-light, when the brightness value that single-chip microcomputer receives is low, single-chip microcomputer then exports high control electric current, and LED is sent out
Go out light.
Meanwhile, after sound transducer monitors acoustic signals disappearance, and send that information to single-chip microcomputer,
After single-chip microcomputer receives this information, when coming in and going out at short notice in order to avoid people, cause LED by instead
Multiple open and close, thus reduce the service life of LED, therefore, single-chip microcomputer then can time delay stop defeated
Go out electric current, i.e. time-delay closing LED.Thus the present invention well achieves certainly opening and closing LED,
The purpose being automatically adjusted with the brightness to LED.
As in figure 2 it is shown, described adjusting control circuit includes that sampling triggers circuit and stream regulation output circuit；Institute
State sampling and trigger electricity routing amplifier P1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5,
Adjustable resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, polar capacitor C1, polarity electricity
Hold C2, polar capacitor C3, polar capacitor C4, diode D1, diode D2, and diode D3
Composition.
During connection, the P pole of diode D1 positive pole with amplifier P1 after resistance R2 is connected, N pole
It is connected with the negative pole of polar capacitor C1.The P pole of diode D2 is connected with the outfan of amplifier P1,
N pole negative pole with amplifier P1 after resistance 3 is connected.The positive pole of polar capacitor C4 after resistance R9 with
The outfan of amplifier P1 is connected, minus earth.
Wherein, the N pole of diode D3 positive pole with polar capacitor C4 after resistance R8 be connected, P pole
Sequentially it is connected through resistance R4 N pole with diode D1 after resistance R5.The negative pole of polar capacitor C3
After resistance R3 the N pole with diode D3 be connected, the junction point of positive pole and resistance R4 and resistance R5
It is connected.One end of adjustable resistance R6 is connected with the N pole of diode D3, the other end and diode D1
N pole be connected.The positive pole of polar capacitor C2 sequentially after resistance R10 and resistance R1 with amplifier P1
Positive pole be connected, the N pole of negative pole and diode D3 be collectively forming sampling trigger circuit outfan and with
Electric current regulation output circuit is connected.The positive pole of described amplifier P1 is connected with the positive pole of polar capacitor C1；
The negative pole of described polar capacitor C1 is connected with the IOC1 pin of FM8PE59B single-chip microcomputer；Described polarity electricity
The positive pole holding C1 is connected with the IOC2 pin of FM8PE59B single-chip microcomputer.
Meanwhile, described electric current regulation output circuit is by amplifier P2, audion VT1, audion VT2, electricity
Resistance R11, adjustable resistance R12, resistance R13, resistance R14, resistance R15, polar capacitor C5, two poles
Pipe D4, and inductance L composition.
During connection, the P pole of diode D4 colelctor electrode with audion VT1 after inductance L is connected, N
Pole is sequentially connected through adjustable resistance R12 base stage with audion VT1 after resistance R11.Polar capacitor
The negative pole of C5 is connected with the colelctor electrode of audion VT2, positive pole negative with amplifier P2 after resistance R13
Pole is connected.One end of resistance R15 is connected with audion VT2 colelctor electrode, the other end and amplifier P2
Negative pole be connected.One end of resistance R14 is connected with the outfan of amplifier P2, the other end and audion
The base stage of VT2 is connected.
The positive pole of described amplifier P2 is connected with the N pole of diode D3；The transmitting of described audion VT1
Pole is connected with the negative pole of polar capacitor C2；The emitter stage of described audion VT2 and the N of diode D4
Pole is connected, this audion VT2 grounded collector；Described LED is serially connected in the P pole of diode D4
And between the colelctor electrode of audion VT2.
During operation, amplifier P1, diode D1, diode D2, diode D3, polar capacitor C1,
The resistance R1～resistance R10 of polar capacitor C2, polar capacitor C3, polar capacitor C4 and periphery forms sampling
The control electric current that single-chip microcomputer is exported by triggering circuit carries out sampling output reference voltage simultaneously；Amplifier P2, three
The resistance R11～resistance R15 of pole pipe VT1, audion VT2, diode D4, polar capacitor C5 and periphery
Form electric current regulation output circuit, drive through the P pole of diode D4 and the colelctor electrode output of audion VT2
Electric current, lightening LED lamp band, size of current is adjusted by this adjusting control circuit by adjustable resistance R12.
This circuit well have adjusted the driving electric current of output when the control electric current that single-chip microcomputer output is different, makes this
The bright function effectively completing the brightness being automatically adjusted LED.
As it is shown on figure 3, described transistor stabilized filter circuit includes current rectifying and wave filtering circuit and direct current regulation circuit；
Described current rectifying and wave filtering circuit includes transformator T, diode rectifier U, polar capacitor C6, diode rectification
One of them input of device U is connected with the Same Name of Ends of the secondary inductance coil of transformator T, another input
End is connected with the non-same polarity of the secondary inductance coil of transformator T.The positive pole of polar capacitor C6 and diode
The gate output terminal of commutator U is connected, negative pole is connected with the cathode output end of diode rectifier U.
The cathode output end of described diode rectifier U and cathode output end are collectively forming the output of current rectifying and wave filtering circuit
End is also connected with direct current regulation circuit；The Same Name of Ends of the former limit inductance coil of described transformator T and non-of the same name
End is collectively forming the input of transistor stabilized filter circuit and is connected with power supply.
Further, described direct current regulation circuit by audion VT3, audion VT4, audion VT5,
Resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, resistance R22,
Resistance R23, resistance R24, resistance R25, resistance R26, resistance R27, adjustable resistance R28, polarity electricity
Hold C7, polar capacitor C8, polar capacitor C9, diode D5, diode D6, and diode D7
Composition.
During connection, the N pole of diode D5 sequentially after resistance R21 and resistance R20 with audion VT3's
Base stage is connected, P pole is connected with the cathode output end of diode rectifier U.Diode D6N pole and three
The colelctor electrode of pole pipe VT4 is connected, P pole after resistance R16 with the cathode output end of diode rectifier U
It is connected.One end of resistance R18 is connected with the colelctor electrode of audion VT4, the other end and audion VT3
Colelctor electrode be connected.The negative pole of polar capacitor C7 after resistance R25 with the colelctor electrode phase of audion VT5
Connect, positive pole is sequentially connected through resistance R19 P pole with diode D6 after resistance R17.
Wherein, the negative pole of polar capacitor C8 is connected with the emitter stage of audion VT5, positive pole is through resistance R24
Emitter stage with audion VT4 is connected afterwards.The N pole of diode D7 after resistance R23 with audion VT4
Emitter stage be connected, P pole sequentially after resistance R27 and adjustable resistance R28 with the base stage of audion VT5
It is connected.The positive pole of polar capacitor C9 emitter stage with audion VT5 after resistance R26 is connected, negative
Pole is connected with the VIN1 pin of FM8PE59A single-chip microcomputer.One end of resistance R22 and the N of diode D5
Pole is connected, the other end is connected with the positive pole of polar capacitor C9.The P pole of described diode D7 with
The VIN2 pin of FM8PE59A single-chip microcomputer is connected.
According to above-described embodiment, can well realize the present invention.
Claims (7)
1. the brightness adjustable LED lamp band energy-saving control system of a stable performance, it is characterised in that include
Single-chip microcomputer, the sound transducer being all connected with single-chip microcomputer, luminance sensor, buzzer, transistor stabilized
Filter circuit and adjusting control circuit, the power supply being connected with the input of transistor stabilized filter circuit, with
And the LED being connected with adjusting control circuit；Described transistor stabilized filter circuit includes rectifying and wave-filtering
Circuit, and the direct current regulation circuit being connected with current rectifying and wave filtering circuit；The outfan of described direct current regulation circuit
It is connected with LED；Described current rectifying and wave filtering circuit includes transformator T, one of them input and transformation
The Same Name of Ends of the secondary inductance coil of device T is connected, the secondary inductance coil of another input and transformator T
The diode rectifier U that is connected of non-same polarity, and the grid output of positive pole and diode rectifier U
The polar capacitor C6 that end is connected, negative pole is connected with the cathode output end of diode rectifier U；Described two
The cathode output end of pole pipe commutator U and cathode output end be collectively forming current rectifying and wave filtering circuit outfan and with
Direct current regulation circuit is connected；Same Name of Ends and the non-same polarity of the former limit inductance coil of described transformator T are common
The input forming transistor stabilized filter circuit is connected with power supply.
The brightness adjustable LED lamp band Energy Saving Control system of a kind of stable performance the most according to claim 1
System, it is characterised in that described direct current regulation circuit by audion VT3, audion VT4, audion VT5,
N pole is sequentially connected through resistance R21 base stage with audion VT3 after resistance R20, P pole and diode
Diode D5, the N pole that the cathode output end of commutator U is connected is connected with the colelctor electrode of audion VT4
Connect, diode D6 that P pole cathode output end with diode rectifier U after resistance R16 is connected, one
The resistance that end is connected with the colelctor electrode of audion VT4, the other end is connected with the colelctor electrode of audion VT3
R18, negative pole colelctor electrode with audion VT5 after resistance R25 is connected, positive pole is sequentially through resistance R19
The polar capacitor C7 being connected with P pole with diode D6 after resistance R17, negative pole is with audion VT5's
The polar capacitor C8 that emitter stage is connected, positive pole emitter stage with audion VT4 after resistance R24 is connected,
N pole is connected with the emitter stage of audion VT4 after resistance R23, P pole is sequentially through resistance R27 and adjustable
The diode D7 that after resistance R28, base stage with audion VT5 is connected, positive pole after resistance R26 with three
The emitter stage of pole pipe VT5 is connected, negative pole is collectively forming direct current regulation circuit with the P pole of diode D7
The polar capacitor C9 of outfan, and one end is connected with the N pole of diode D5, the other end is electric with polarity
Hold the resistance R22 composition that the positive pole of C9 is connected.
The brightness adjustable LED lamp band Energy Saving Control system of a kind of stable performance the most according to claim 2
System, it is characterised in that described adjusting control circuit includes that the sampling that input is connected with single-chip microcomputer triggers electricity
Road, the electric current regulation output circuit being connected with the outfan of input with sampling triggering circuit；Described electric current
The outfan of regulation output circuit is connected with LED.
The brightness adjustable LED lamp band Energy Saving Control system of a kind of stable performance the most according to claim 3
System, it is characterised in that described sampling triggers electricity routing amplifier P1, and polar capacitor C1, P pole is through resistance
The diode that after R2, the positive pole with amplifier P1 is connected, N pole is connected with the negative pole of polar capacitor C1
D1, P pole is connected with the outfan of amplifier P1, N pole after resistance 3 with the negative pole phase of amplifier P1
The diode D2 connected, positive pole outfan with amplifier P1 after resistance R9 is connected, minus earth
Polar capacitor C4, N pole positive pole with polar capacitor C4 after resistance R8 is connected, P pole is sequentially through resistance
The diode D3 being connected with the N pole of diode D1 after R4 and resistance R5, negative pole after resistance R3 with
The polarity electricity that the N pole of diode D3 is connected, positive pole is connected with the junction point of resistance R4 with resistance R5
Holding C3, one end is connected with the N pole of diode D3, the other end is connected with the N pole of diode D1
Adjustable resistance R6, and positive pole is sequentially connected through resistance R10 positive pole with amplifier P1 after resistance R1,
Negative pole is collectively forming, with the N pole of diode D3, the polar capacitor C2 composition that sampling triggers the outfan of circuit；
The positive pole of described amplifier P1 is connected with the positive pole of polar capacitor C1；The negative pole of described polar capacitor C1 with
Positive pole is collectively forming sampling and triggers the input of circuit.
The brightness adjustable LED lamp band Energy Saving Control system of a kind of stable performance the most according to claim 4
System, it is characterised in that described electric current regulation output circuit by amplifier P2, audion VT1, audion VT2,
P pole colelctor electrode with audion VT1 after inductance L is connected, N pole is sequentially through adjustable resistance R12 and electricity
The diode D4 being connected with the base stage of audion VT1 after resistance R11, negative pole and the current collection of audion VT2
The polar capacitor C5 that pole is connected, positive pole negative pole with amplifier P2 after resistance R13 is connected, one end
Be connected with audion VT2 colelctor electrode, resistance R15 that the other end is connected with the negative pole of amplifier P2, with
And the resistance that one end is connected with the outfan of amplifier P2, the other end is connected with the base stage of audion VT2
R14 forms；The positive pole of described amplifier P2 is connected with the N pole of diode D3；Described audion VT1
Emitter stage be connected with the negative pole of polar capacitor C2；The emitter stage of described audion VT2 and diode D4
N pole be connected, this audion VT2 grounded collector；The P pole of described diode D4 and audion VT2
Colelctor electrode be collectively forming electric current regulation output circuit outfan.
The brightness adjustable LED lamp band Energy Saving Control system of a kind of stable performance the most according to claim 5
System, it is characterised in that described sound transducer is RB-02S074 sound transducer.
The brightness adjustable LED lamp band Energy Saving Control system of a kind of stable performance the most according to claim 6
System, it is characterised in that described luminance sensor is GB5-A1EL luminance sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610229262.4A CN105916235A (en) | 2016-04-13 | 2016-04-13 | Adjustable-brightness LED strip energy-saving control system with stable performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610229262.4A CN105916235A (en) | 2016-04-13 | 2016-04-13 | Adjustable-brightness LED strip energy-saving control system with stable performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105916235A true CN105916235A (en) | 2016-08-31 |
Family
ID=56746959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610229262.4A Pending CN105916235A (en) | 2016-04-13 | 2016-04-13 | Adjustable-brightness LED strip energy-saving control system with stable performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105916235A (en) |
-
2016
- 2016-04-13 CN CN201610229262.4A patent/CN105916235A/en active Pending
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Application publication date: 20160831 |