CN106304506B - A kind of LED flash band overvoltage suppressive energy-saving control circuit - Google Patents
A kind of LED flash band overvoltage suppressive energy-saving control circuit Download PDFInfo
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- CN106304506B CN106304506B CN201610885870.0A CN201610885870A CN106304506B CN 106304506 B CN106304506 B CN 106304506B CN 201610885870 A CN201610885870 A CN 201610885870A CN 106304506 B CN106304506 B CN 106304506B
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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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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Abstract
The invention discloses a kind of LED flash band overvoltage suppressive energy-saving control circuits, mainly by diode rectifier U1, chip U2, amplifier P are controlled, triode VT1, triode VT2, triode VT3, triode VT4, triode VT5, unidirectional thyristor VS, polar capacitor C9 and resistance R7 etc. compositions.The present invention is by suppressing or eliminating the harmonic wave in DC voltage, and after the instantaneous high current generated when being loaded to DC voltage is limited or is adjusted, make DC voltage cleaner, more steady, so as to improve the stablizing effect of output voltage of the present invention, therefore the present invention can effectively prevent LED flash band LEDW from occurring continuously flickering in brightness change, service life of the LED flash with LEDW can effectively be extended, saved material resources well.
Description
Technical field
The present invention relates to a kind of energy-saving control circuits, are a kind of LED flash band Overvoltage suppressings specifically
Type energy-saving control circuit.
Background technology
Now with the continuous improvement of people’s lives level, the requirement to the landscaping of life is also higher and higher, people
For the living environment to make oneself beautiful, just brought using the LED flash with various light sources and interior beautified, and people
Mostly LED flash band is arranged in the undercut of indoor top, formed not under the control of the control circuit of LED flash band
The beautiful ring of light of well-illuminated degree, the ring of light can not only beautify living environment, moreover it is possible to be brought at night for people a kind of beautiful magical
Sense.However, the control circuit of existing LED flash band there are output voltage stability it is poor the problem of, lead to LED flash band
Occurs continuous flicker, the serious service life for shortening LED flash band, so as to cause material resources in brightness change
Significant wastage.
Therefore it provides a kind of LED flash band that can improve output voltage stabilization effect is when business with control circuit
It is anxious.
Invention content
It is an object of the invention to overcome the control circuit of existing LED flash band, there are output voltage stability differences
Defect, a kind of LED flash band overvoltage suppressive energy-saving control circuit provided.
The present invention is achieved through the following technical solutions：A kind of LED flash band overvoltage suppressive Energy Saving Control electricity
Road mainly by diode rectifier U1, controls chip U2, amplifier P, triode VT1, triode VT2, triode VT3, three poles
Pipe VT4, triode VT5, unidirectional thyristor VS, anode is connected with the cathode output end of diode rectifier U1, cathode and two
Polar capacitor C1, the N pole that the cathode output end of pole pipe rectifier U1 is grounded after being connected after resistance R1 with diode rectifier
The zener diode D1 that the cathode output end of U1 is connected, P poles are connected with the cathode output end of diode rectifier U1, anode
The polarity for being connected after inductance L1 with the N poles of zener diode D1, being grounded after cathode is connected with the collector of triode VT1
Capacitance C4, anode is connected with the cathode output end of diode rectifier U1, transmitting of the cathode after resistance R4 with triode VT1
Polar capacitor C2, the P pole that pole is connected is connected with the cathode output end of diode rectifier U1, the hair of N poles and triode VT1
The diode D2 that emitter-base bandgap grading is connected, anode is connected with the P poles of diode D1, cathode is connected with the collector of triode VT1
Polar capacitor C3, N pole be connected with the emitter of triode VT1, anode of the P poles after adjustable resistance R2 with polar capacitor C3
The diode D3 being connected, the electricity that one end is connected with the base stage of triode VT1, the other end is connected with the P poles of diode D3
R3 is hindered, one end is connected with the anode of polar capacitor C4, the resistance R5 that is connected of VDD pins of the other end and control chip U2,
Anode is connected after adjustable resistance R6 with the base stage of triode VT2, cathode is connected with controlling the OSC1 pins of chip U2
Polar capacitor C5, P pole is with controlling the KEY pins of chip U2 to be connected, the diode that N poles are connected with the base stage of triode VT2
D4, one end is with controlling the OSC4 pins of chip U2 to be connected, inductance L2, the P poles that the other end is connected with the base stage of triode VT2
It is connected after resistance R12 with the Q3 pins of control chip U2, N poles are connected after resistance R13 with the base stage of triode VT5
Diode D5, one end is connected with the collector of triode VT4, the other end is grounded after being connected with the collector of triode VT3
Resistance R11, anode is with controlling the Q2 pins of chip U2 to be connected, polarity that cathode is connected with the base stage of triode VT4 electricity
Hold C6, anode is connected after resistance R9 with the Q1 pins of control chip U2, the pole that cathode is connected with the base stage of triode VT3
Property capacitance C7, cathode is connected with the emitter of triode VT4, emitter of the anode with triode VT3 after resistance R8 is connected
The polar capacitor C8 connect, anode is connected with the output terminal of amplifier P, cathode is connected with the control terminal of unidirectional thyristor VS
Polar capacitor C9, the electricity that one end is connected with the emitter of triode VT3, the other end is connected with the emitter of triode VT5
R10 is hindered, one end is connected with the anode of unidirectional thyristor VS, control circuit is collectively formed in the P poles of the other end and diode D3
The resistance R7 of output terminal, anode is connected with the anode of amplifier P, output terminal of the cathode with amplifier P after resistance R14 is connected
The polar capacitor C10 connect, anode is connected after resistance R15 with the cathode of amplifier P, the output terminal phase of cathode and amplifier P
Polar capacitor C11, the P pole of connection is connected with the cathode of amplifier P, cathode of the N poles after resistance R16 with polar capacitor C11
The diode D6 and one end being connected are connected with the cathode of amplifier P, the other end is connected with the collector of triode VT5
The adjustable resistance R17 compositions connect.
The anode of the amplifier P is connected with the emitter of triode VT3；The N poles of the diode D4 also with it is adjustable
The adjustable side of resistance R6 is connected；The grounded collector of the triode VT2, the VSS pins of its emitter and control chip U2
It is connected；The VSS pins of the control chip U2 are also connected with the collector of triode VT5, its GND pin ground connection；It is described
The collector of triode VT4 is also connected with the P poles of diode D5；The collector of the triode VT5 also with unidirectional thyristor
The cathode of VS is grounded after being connected；The input terminal of control circuit is collectively formed in two input terminals of the diode rectifier U1.
To ensure the practical effect of the present invention, the control chip U2 divides integrated chip for HCF4060.The list
It is TYN625 unidirectional thyristors to thyristor VS.The diode rectifier U1 is 4 1N4004 silicon rectifier diodes compositions
Diode rectifier.
Compared with prior art, the present invention haing the following advantages and advantageous effect：
（1）The present invention can suppress or eliminate the harmonic wave in DC voltage, and can be loaded to DC voltage when generates
Instantaneous high current limited or adjusted, make DC voltage cleaner, more steady, so as to improve output voltage of the present invention
Stablizing effect, and can effectively prevent LED flash band from occurring continuously flickering in brightness change, it can effectively extend LED
The service life of flash lamp band, has saved material resources well.
（2）The present invention can be eliminated or inhibited to the instant high-voltage generated during input voltage, can effectively prevent this
Invention backend electronics element and LED flash band are damaged by high voltage, so as to improve the stability of output voltage of the present invention.
（3）The present invention can be adjusted the resistance to pressure and dynamic range of voltage, can carry out preferable gain to voltage, make
Voltage is more steady, so as to improve the stability of output voltage of the present invention.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Specific embodiment
The present invention is described in further detail with reference to embodiment and its attached drawing, but embodiments of the present invention are not
It is limited to this.
As shown in Figure 1, the present invention mainly by diode rectifier U1, controls chip U2, amplifier P, triode VT1, three
Pole pipe VT2, triode VT3, triode VT4, triode VT5, unidirectional thyristor VS, resistance R1, adjustable resistance R2, resistance R3,
Resistance R4, resistance R5, adjustable resistance R6, resistance R7, resistance R8, resistance R9, resistance R10, resistance R11, resistance R12, resistance
R13, resistance R14, resistance R15, resistance R16, adjustable resistance R17, polar capacitor C1, polar capacitor C2, polar capacitor C3, polarity
Capacitance C4, polar capacitor C5, polar capacitor C6, polar capacitor C7, polar capacitor C8, polar capacitor C9, polar capacitor C10, pole
Property capacitance C11, zener diode D1, diode D2, diode D3, diode D4, diode D5, diode D6, inductance L1, with
And inductance L2 compositions.
To ensure the practical effect of the present invention, the control chip U2 divides integrated chip for HCF4060.The list
It is TYN625 unidirectional thyristors to thyristor VS.The diode rectifier U1 is 4 1N4004 silicon rectifier diodes compositions
Diode rectifier；Meanwhile amplifier P is TL061 amplifiers, triode VT1 is 3AX31 triodes, and triode VT2 ~ VT5 is equal
For 3DG06 triodes；Resistance Rl is 500k Ω metalfilmresistors, and the resistance value adjustable extent of adjustable resistance R2 is 10 ~ 1000k Ω,
The resistance value of resistance R3 is 3.3k Ω, and the resistance value of resistance R4 is 4.7k Ω, and the resistance value of resistance R5 is 200k Ω, the resistance value model of resistance R6
The adjustable resistance for 20 ~ 200k Ω is enclosed, the resistance value of resistance R7 ~ R9 is 5k Ω, and the resistance value of resistance R10 is 100 Ω, resistance R11
Resistance value be the resistance value of 10k Ω, resistance R12 and resistance R13 be 15k Ω, the resistance value of resistance R14 is 1.5k Ω, resistance R15's
Resistance value is 3.3k Ω, and the resistance value of resistance R16 is 2k Ω, and the resistance value adjustable range of adjustable resistance R17 is 20 ~ 240k Ω；Polarity electricity
Hold the alminium electrolytic condenser that C1 and polar capacitor C4 is 1000 μ F/16V, the capacitance of polar capacitor C2 is 470 μ F/25V, and polarity is electric
The capacitance for holding C3 is 8 μ F/25V, and the capacitance of polar capacitor C5 is 100 μ F/25V, polar capacitor C6, polar capacitor C7 and polarity electricity
The capacitance for holding C8 is 10 μ F/16V, and the capacitance of polar capacitor C9 is 200 μ F/50V, polar capacitor C10 and polar capacitor C11
Capacitance is 47 μ F/16V；Zener diode D1 is 1N4016 zener diodes, and diode D2 and diode D3 are bis- poles of 1N4011
Pipe, diode D4 and diode D5 are 1N5406 diodes, and diode D6 is 1N4013 diodes；Inductance L1 and inductance L2 are equal
Core inductance for 100 μ P/50Vd.
During connection, the anode of polar capacitor C1 is connected with the cathode output end of diode rectifier U1, cathode and two poles
The cathode output end of pipe rectifier U1 is grounded after being connected.The N poles of zener diode D1 after resistance R1 with diode rectifier
The cathode output end of U1 is connected, and P poles are connected with the cathode output end of diode rectifier U1.The anode warp of polar capacitor C4
It is connected after inductance L1 with the N poles of zener diode D1, cathode is grounded after being connected with the collector of triode VT1.Polarity electricity
The anode for holding C2 is connected with the cathode output end of diode rectifier U1, transmitting of the cathode after resistance R4 with triode VT1
Pole is connected.The P poles of diode D2 are connected with the cathode output end of diode rectifier U1, N poles and the transmitting of triode VT1
Pole is connected.The anode of polar capacitor C3 is connected with the P poles of diode D1, and cathode is connected with the collector of triode VT1.
The N poles of diode D3 are connected with the emitter of triode VT1, P poles after adjustable resistance R2 with the anode phase of polar capacitor C3
Connection.One end of resistance R3 is connected with the base stage of triode VT1, and the other end is connected with the P poles of diode D3.
Wherein, one end of resistance R5 is connected with the anode of polar capacitor C4, the VDD pins of the other end and control chip U2
It is connected.Base stage of the anode of polar capacitor C5 with triode VT2 after adjustable resistance R6 is connected, cathode and control chip U2
OSC1 pins be connected.The P poles of diode D4 are with controlling the KEY pins of chip U2 to be connected, N poles and the base of triode VT2
Pole is connected.With the OSC4 pins of chip U2 is controlled to be connected, the other end is connected with the base stage of triode VT2 for one end of inductance L2
It connects.The P poles of diode D5 after resistance R12 with control chip U2 Q3 pins be connected, N poles after resistance R13 with triode
The base stage of VT5 is connected.One end of resistance R11 is connected with the collector of triode VT4, the collection of the other end and triode VT3
Electrode is grounded after being connected.The anode of polar capacitor C6 is with controlling the Q2 pins of chip U2 to be connected, and cathode is with triode VT4's
Base stage is connected.Q1 pin of the anode of polar capacitor C7 with control chip U2 after resistance R9 is connected, cathode and triode
The base stage of VT3 is connected.The cathode of polar capacitor C8 is connected with the emitter of triode VT4, and anode is after resistance R8 with three
The emitter of pole pipe VT3 is connected.
Meanwhile the anode of polar capacitor C9 is connected with the output terminal of amplifier P, the control of cathode and unidirectional thyristor VS
End is connected.One end of resistance R10 is connected with the emitter of triode VT3, and the other end is connected with the emitter of triode VT5
It connects.One end of resistance R7 is connected with the anode of unidirectional thyristor VS, the other end and one of electricity of the LED flash with LEDW
Pole is connected, and the P poles of the diode D3 are connected with another electrode of LED flash with LEDW.Polar capacitor C10 is just
Pole is connected with the anode of amplifier P, and output terminal of the cathode with amplifier P after resistance R14 is connected.Polar capacitor C11's
Cathode of the anode with amplifier P after resistance R15 is connected, and cathode is connected with the output terminal of amplifier P.The P of diode D6
Pole is connected with the cathode of amplifier P, what N poles were connected after resistance R16 with the cathode of polar capacitor C11.Adjustable resistance R17
One end be connected with the cathode of amplifier P, the other end is connected with the collector of triode VT5.
The anode of the amplifier P is connected with the emitter of triode VT3；The N poles of the diode D4 also with it is adjustable
The adjustable side of resistance R6 is connected；The grounded collector of the triode VT2, the VSS pins of its emitter and control chip U2
It is connected；The VSS pins of the control chip U2 are also connected with the collector of triode VT5, its GND pin ground connection；It is described
The collector of triode VT4 is also connected with the P poles of diode D5；The collector of the triode VT5 also with unidirectional thyristor
The cathode of VS is grounded after being connected；The input terminal of control circuit is collectively formed simultaneously in two input terminals of the diode rectifier U1
It is connected with alternating current.
During work, diode rectifier U1 and polar capacitor C1 form rectifier filter, and the 220V alternating currents of input are rectified
The diode rectifier U1 of wave filter generates DC voltage after carrying out rectification, and polar capacitor C1 is then by the harmonic wave in raw DC voltage
It is eliminated, makes DC voltage cleaner, the DC voltage after filtering is transferred to zener diode D1, resistance R1, resistance R5, electricity
Feel the current-limiting circuit that L1 and polar capacitor C4 is formed, the instantaneous high current which generates when being loaded to DC voltage carries out
Limitation, and pass through polar capacitor C4 and carry out electric current release, make DC voltage more stable, DC voltage is carried out by current-limiting circuit
Stable 6.8V DC voltages are obtained after current limliting, which is simultaneously transferred to control chip U2, polarity by current-limiting circuit
The multi-resonant oscillating circuit that capacitance C5, adjustable resistance R6, inductance L2 and diode D4 are formed, and the 6.8V DC voltages of the stabilization are same
The operating voltage of Shi Zuowei control chips U2.
When multi-resonant oscillating circuit obtains it is electric after start to vibrate overcurrent, control chip U2 to multivibrator generate
Oscillator signal carry out frequency division counter after, the Q1 pins and Q2 pins of control chip U2 and the control electricity of Q3 pins output variation
It is flat, make triode VT3 and three poles of triode VT3 ~ VT5, resistance R9 ~ R13 and the switching controller of polar capacitor C7 ~ C9 formation
Pipe VT4 and triode VT5 carry out interval conducting and export different voltage and currents, the voltage and current then by amplifier P,
The fortune that polar capacitor C10, polar capacitor C11, diode D6, resistance R14, resistance R15, resistance R16 and adjustable resistance R17 are formed
It calculates amplifying circuit to be transmitted, which is adjusted to change input electricity by the resistance value to adjustable resistance R17
The resistance to pressure of pressure and the dynamic range for changing electric current, the voltage and current after adjusting is then by amplifier P to carrying out voltage increasing
Benefit, makes output voltage and electric current held stationary, and the voltage and current after gain is then transferred to by unidirectional brilliant by operational amplification circuit
The buffer circuit that brake tube VS, polar capacitor C9 and resistance R7 are formed is into row buffering, and the electric current for making output is more stable, the buffered electricity
Road provides stable operating voltage with LEDW for LED flash, and LED flash then exports not with LEDW according to switching controller
Flashing is carried out with power frequency.The present invention at work, is adjusted by the resistance value to adjustable resistance R6, can changed
Flicker frequency of the LED flash with LEDW.
Wherein, diode rectifier U1 backend electronics element and LED flash band in order to prevent of the invention are by control source
When the instant high-voltage damage that generates, therefore the present invention is in cathode output end and the LED flash band of diode rectifier U1
Between LEDW be provided with by triode VT1, polar capacitor C2, polar capacitor C3, diode D2, diode D3, adjustable resistance R2,
The overvoltage crowbar that resistance R3 and resistance R4 is formed, produces when the cathode output end output voltage of diode rectifier U1
During high voltage, because adjustable resistance R2 is 10 ~ 1000k Ω high-impedance resistors, the resistance value for changing adjustable resistance R2 just can be to high voltage
Shut off, while polar capacitor C2 and polar capacitor C3 are started to charge up, in polar capacitor C2 and polar capacitor C3 saturations pair
Triode VT1 starts to discharge, triode VT1 obtain it is electric after be connected, triode VT1 release voltages are defeated after resistance R3 and diode D3
Go out 6.8V steady dc voltages, so as to which the overvoltage crowbar can eliminate the instant high-voltage generated during input voltage
Or inhibit, it can effectively prevent backend electronics element and LED flash band of the present invention from being damaged by high voltage, so as to improve this hair
The stability of bright output voltage.
The present invention is by suppressing or eliminating the harmonic wave in DC voltage, and the wink that while being loaded to DC voltage generates
Between after high current limited or adjusted, make DC voltage cleaner, more steady, so as to improve the steady of output voltage of the present invention
Determine effect, therefore the present invention can effectively prevent LED flash band from occurring continuously flickering in brightness change, can effectively extend
The service life of LED flash band, has saved material resources well.
According to above-described embodiment, you can realize the present invention well.
Claims (4)
1. a kind of LED flash band overvoltage suppressive energy-saving control circuit, which is characterized in that mainly by diode rectifier
U1 controls chip U2, amplifier P, triode VT1, triode VT2, triode VT3, triode VT4, triode VT5, unidirectionally
Thyristor VS, anode is connected with the cathode output end of diode rectifier U1, the cathode of cathode and diode rectifier U1 are defeated
Polar capacitor C1, the N pole that outlet is grounded after being connected is connected after resistance R1 with the cathode output end of diode rectifier U1,
The zener diode D1 that P poles are connected with the cathode output end of diode rectifier U1, anode after inductance L1 with two pole of voltage stabilizing
The polar capacitor C4 that the N poles of pipe D1 are connected, cathode is grounded after being connected with the collector of triode VT1, anode and diode
The polar capacitor that the cathode output end of rectifier U1 is connected, cathode is connected after resistance R4 with the emitter of triode VT1
The diode that C2, P pole are connected with the cathode output end of diode rectifier U1, N poles are connected with the emitter of triode VT1
D2, anode is connected with the P poles of diode D1, cathode is connected with the collector of triode VT1 polar capacitor C3, N pole with
The diode D3 that the emitter of triode VT1 is connected, P poles are connected after adjustable resistance R2 with the anode of polar capacitor C3,
The resistance R3 that one end is connected with the base stage of triode VT1, the other end is connected with the P poles of diode D3, one end and polarity electricity
The anode for holding C4 is connected, the other end and the resistance R5 that is connected of VDD pins of control chip U2, and anode is after adjustable resistance R6
It is connected with the base stage of triode VT2, cathode is with controlling polar capacitor C5, the P pole that the OSC1 pins of chip U2 are connected and control
The diode D4 that the KEY pins of coremaking piece U2 are connected, N poles are connected with the base stage of triode VT2, one end and control chip U2
OSC4 pins be connected, inductance L2, P pole that the other end is connected with the base stage of triode VT2 after resistance R12 with controlling core
The diode D5 that the Q3 pins of piece U2 are connected, N poles are connected after resistance R13 with the base stage of triode VT5, one end and three poles
The resistance R11 that the collector of pipe VT4 is connected, the other end is grounded after being connected with the collector of triode VT3, anode and control
The polar capacitor C6 that the Q2 pins of chip U2 are connected, cathode is connected with the base stage of triode VT4, anode after resistance R9 with
The Q1 pins of control chip U2 are connected, the polar capacitor C7 that cathode is connected with the base stage of triode VT3, cathode and triode
The polar capacitor C8 that the emitter of VT4 is connected, anode is connected after resistance R8 with the emitter of triode VT3, anode with
The polar capacitor C9 that the output terminal of amplifier P is connected, cathode is connected with the control terminal of unidirectional thyristor VS, one end and three poles
The resistance R10 that the emitter of pipe VT3 is connected, the other end is connected with the emitter of triode VT5, one end and unidirectional thyristor
The anode of VS is connected, the P poles of the other end and diode D3 be collectively formed control circuit output terminal resistance R7, anode is with putting
The anode of big device P is connected, the polar capacitor C10 that cathode is connected after resistance R14 with the output terminal of amplifier P, anode warp
Be connected after resistance R15 with the cathode of amplifier P, polar capacitor C11, P pole that cathode is connected with the output terminal of amplifier P with
The diode D6, Yi Jiyi that the cathode of amplifier P is connected, N poles are connected after resistance R16 with the cathode of polar capacitor C11
The adjustable resistance R17 compositions that end is connected with the cathode of amplifier P, the other end is connected with the collector of triode VT5；It is described
The anode of amplifier P is connected with the emitter of triode VT3；Adjusting of the N poles of the diode D4 also with adjustable resistance R6
End is connected；The grounded collector of the triode VT2, its emitter are connected with the VSS pins of control chip U2；The control
The VSS pins of coremaking piece U2 are also connected with the collector of triode VT5, its GND pin ground connection；The collection of the triode VT4
Electrode is also connected with the P poles of diode D5；Cathode of the collector of the triode VT5 also with unidirectional thyristor VS is connected
After be grounded；The input terminal of control circuit is collectively formed in two input terminals of the diode rectifier U1.
2. a kind of LED flash band overvoltage suppressive energy-saving control circuit according to claim 1, feature exist
In the control chip U2 divides integrated chip for HCF4060.
3. a kind of LED flash band overvoltage suppressive energy-saving control circuit according to claim 2, feature exist
In the unidirectional thyristor VS is TYN625 unidirectional thyristors.
4. a kind of LED flash band overvoltage suppressive energy-saving control circuit according to claim 3, feature exist
In the diode rectifier U1 is the diode rectifier of 4 1N4004 silicon rectifier diodes compositions.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885870.0A CN106304506B (en) | 2016-10-11 | 2016-10-11 | A kind of LED flash band overvoltage suppressive energy-saving control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885870.0A CN106304506B (en) | 2016-10-11 | 2016-10-11 | A kind of LED flash band overvoltage suppressive energy-saving control circuit |
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| Publication Number | Publication Date |
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| CN106304506A CN106304506A (en) | 2017-01-04 |
| CN106304506B true CN106304506B (en) | 2018-06-26 |
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| KR101680342B1 (en) * | 2014-04-25 | 2016-12-07 | (주)탑룩스 | LED lamp driver apparatus with frequency tracking function |
| CN205408228U (en) * | 2016-03-03 | 2016-07-27 | 颜春红 | LED stroboscopic lamp controller |
| CN105848364A (en) * | 2016-05-28 | 2016-08-10 | 成都白描网络科技有限公司 | Dimmable LED constant-current output driving system based on power amplifying circuit |
| CN105848361A (en) * | 2016-05-28 | 2016-08-10 | 成都白描网络科技有限公司 | Dimming LED constant current driving system based on transistor oscillating circuit |
| CN105873286A (en) * | 2016-05-30 | 2016-08-17 | 成都昂迪加科技有限公司 | Energy-saving power circuit for constant-current drive type cold light LED |
| CN206181437U (en) * | 2016-10-11 | 2017-05-17 | 四川万康节能环保科技有限公司 | LED flash light area is with overvoltage suppressing type energy -saving control circuit |
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