CN201887983U - Energy-saving LED colored light driving power source - Google Patents
Energy-saving LED colored light driving power source Download PDFInfo
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- CN201887983U CN201887983U CN2010206189315U CN201020618931U CN201887983U CN 201887983 U CN201887983 U CN 201887983U CN 2010206189315 U CN2010206189315 U CN 2010206189315U CN 201020618931 U CN201020618931 U CN 201020618931U CN 201887983 U CN201887983 U CN 201887983U
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Abstract
The utility model discloses an energy-saving LED colored light driving power source, which is in an integral structure and provided with three respectively independent LED high-voltage constant-current switch circuits internally. A high-precision single chip microcomputer control system controls and regulates control frequencies of all loops and duty ratio of switches so as to realize a multifunctional LED colored light driving function. A wide-voltage-range LED constant current driving chip, powerless PFC (power factor correction) technology and internal and external double fault detection protection technology are adopted, so that power efficiency is larger than or equal to 90%, cosine phi is larger than or equal to 0.93, microsecond level double protection for an overcurrent, overvoltage, overheating and on-load short circuit and an open circuit is realized. An internal dip switch can realize programmable dimming, and an internal wide-range high-frequency switch voltage stabilizing power source supplies power to the single chip control system. Accordingly, power efficiency is improved, heating of the system is reduced, operational stability of an integral machine is greatly enhanced due to the extremely high power stability of the energy-saving LED colored light driving power source, and the purposes are realized.
Description
Technical field
The utility model relates to a kind of LED driving power, particularly a kind of micro-processor controlled energy-saving LED color lamp driving power.
Background technology
She is made up of LED color lamp driving power control system and driving power two parts usually.Control system of color lamp and power supply on the market all is made up of single channel constant voltage source and direct current light adjusting system at present, or producing pulse by simple oscillator controls controllable silicon realization light modulation after treatment, and said structure exists following defective:
1, control system and driving power are independent two parts, and some also needs 3 independently driving powers, and volume is big, cost is high, failure rate height, Installation and Debugging difficulty;
2, adopt the constant voltage power supply, loading uniformity is required height, electric current is difficult to stablize, and has seriously shortened LED useful life, even damages LED;
3, power-efficient is low, and the use cost height is unfavorable for energy-conservation;
4, function is simple, can only can't satisfy the various demands of different user by fixing process flow operation;
5, control system can only be carried out simple switch control to driving power, disturbs producing serious switching noise and pulse electromagnetic, pollutes electrical network and surrounding environment.
In sum, at the defective of prior art, need a kind of energy-saving LED color lamp driving power especially, to solve above-mentioned problem.
The utility model content
The purpose of this utility model is to provide a kind of energy-saving LED color lamp driving power, solves the defective of above-mentioned prior art, has that cost is low, characteristics such as high efficiency, multi-functional and energy-conserving and environment-protective, and is simple in structure, very practical.
The technical problem that the utility model solved can realize by the following technical solutions:
A kind of energy-saving LED color lamp driving power is characterized in that, it comprises a constant current control assembly and a system controlled by computer and drive output precision, and described constant current control assembly is with described system controlled by computer and drive between the output precision and be connected by arranging pin; Described constant current control assembly comprises input overcurrent-overvoltage protecting circuit, EMI circuit, rectification circuit, pfc circuit and switch voltage-stabilizing circuit, power supply is imported the input of described input overcurrent-overvoltage protecting circuit by the power input mouth, the output of described input overcurrent-overvoltage protecting circuit connects EMI circuit, rectification circuit, pfc circuit and switch voltage-stabilizing circuit successively, and the output of described pfc circuit and the output of described switch voltage-stabilizing circuit insert described system controlled by computer and drive the input of output precision; Described system controlled by computer and driving output precision comprise that pattern and speed are provided with circuit; microcomputer control circuit; the output constant-current control circuit; the output current regulating circuit; the output overcurrent protective circuit; first drives output circuit; second drives output circuit and the 3rd drives output circuit; described pattern is connected described microcomputer control circuit and described output constant-current control circuit successively with the output that speed is provided with circuit; the output of described output current regulating circuit inserts described output constant-current control circuit; the output of described output overcurrent protective circuit inserts described microcomputer control circuit and described output constant-current control circuit respectively; the output of described output constant-current control circuit connects described first respectively and drives output circuit; second drives the input that output circuit and the 3rd drives output circuit; described first drives output circuit; second drives the output output LED power supply that output circuit and the 3rd drives output circuit, and described first drives output circuit; second drives output circuit is connected described output overcurrent protective circuit respectively with the 3rd signal feedback end that drives output circuit.
In an embodiment of the present utility model, length≤the 140mm of described constant current control assembly and described system controlled by computer and driving output precision, width≤78mm, highly≤35mm, need not to refute and connect other any circuit and get final product operate as normal, and can be installed on the inside or the outside of color lamp casing arbitrarily according to user's request.
In an embodiment of the present utility model, described pattern and speed are provided with circuit and are made up of resistance R 5, resistance R 6 and thumb-acting switch S1.
In an embodiment of the present utility model, described microcomputer controlled electro route capacitor C 9～C12, resistance R 7, resistance 1R1, resistance 2R1, resistance 3R1, triode 1Q1, triode 2Q1, triode 3Q1, crystal oscillator Y1 and integrated circuit U2 form.
In an embodiment of the present utility model, described output constant-current control circuit is by resistance 1R2～1R7,1R9,1R10, electric capacity 1C1,1C2, voltage-stabiliser tube 1Z1, integrated circuit 1U1, resistance 2R2～2R7,2R9,2R10, electric capacity 2C1,2C2, voltage-stabiliser tube 2Z1, integrated circuit 2U1, resistance 3R2～3R7,3R9,3R10, electric capacity 3C1,3C2, voltage-stabiliser tube 3Z1, integrated circuit 3U1 form.
In an embodiment of the present utility model, described first drives output circuit by resistance 1R8, resistance 1R11, electric capacity 1C3, diode 1D1,1D2, and magnetic bead 1CZ1, inductance 1L1 and field effect transistor 1Q2 form.
In an embodiment of the present utility model, described second drives output circuit by resistance 2R8, resistance 2R11, electric capacity 2C3, diode 2D1,2D2, and magnetic bead 2CZ1, inductance 2L1 and field effect transistor 2Q2 form.
In an embodiment of the present utility model, the described the 3rd drives output circuit by resistance 3R8, resistance 3R11, electric capacity 3C3, diode 3D1,1D2, and magnetic bead 3CZ1, inductance 3L1 and field effect transistor 3Q2 form.
Energy-saving LED color lamp driving power of the present utility model has following characteristics:
1, adopts passive PFC and constant-current drive technology, improve the power utilization rate, realize truly energy-conservation;
2, total controlled dimming is eliminated the pollution of traditional switch light modulation noise, environmental protection;
3, realized system controlled by computer and 3 road constant-current driving power supply integrated designs, cost is low, easily produces, and easily installs;
4, can drive simultaneously 3 have a lot of social connections the voltage range load (10～38V), but output current manual adjustments also is easy to operate, can adapt to the load of multiple different voltage led module;
5, the user can realize light modulation able to programme by thumb-acting switch, comprising: three look saltus steps, three look gradual changes, seven color saltus steps, seven color gradual changes; Supper-fast, fast, at a slow speed, super at a slow speed, full light various modes selects for the user;
6, constant-current driving makes output not with the variation of input voltage, and the current ripples coefficient is little, prolongs LED useful life;
7, the duplicate protection of the output protection of input protection and system controlled by computer and chip detection: overcurrent, overvoltage, overheated, load short circuits and open circuit have been realized the duplicate protection of microsecond level, effectively protected LED, improved the stability of system's operation.
Energy-saving LED color lamp driving power of the present utility model, adopt integrated framework, built-in three tunnel difference are LED high voltage and constant current Switching Power Supply independently, by the control frequency and the duty cycle of switching in each loop of high accuracy single-chip computer control system comprehensive adjustment, drives function to realize the Multifunctional LED color lamp; Adopt wide voltage LED constant-current driven chip and passive PFC technology, and the inside and outside double faults detects resist technology, make power-efficient 〉=90%, cos Φ 〉=0.93, and can realize overcurrent, overvoltage, overheated, load short circuits and open circuit have been realized the duplicate protection of microsecond level, built-in thumb-acting switch is realized light modulation able to programme, comprises three look saltus steps, three look gradual changes, seven color saltus steps, seven color gradual changes; Supper-fast, fast, at a slow speed, super at a slow speed, full light various modes selects for the user; Built-in wide region high-frequency switching power supply is the single-chip computer control system supply power, improved power-efficient on the one hand, reduce system's caloric value, improved the job stability of complete machine on the other hand because of its high power supply stability greatly, realized the purpose of this utility model.
Characteristics of the present utility model can be consulted the detailed description of the graphic and following better execution mode of this case and be obtained to be well understood to.
Description of drawings
Fig. 1 is the circuit framework figure of energy-saving LED color lamp driving power of the present utility model;
Fig. 2 is the circuit theory diagrams of energy-saving LED color lamp driving power of the present utility model;
Fig. 3 is the PCB structure chart of energy-saving LED color lamp driving power of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, energy-saving LED color lamp driving power of the present utility model, it comprises a constant current control assembly and a system controlled by computer and drives output precision, described constant current control assembly is with described system controlled by computer and drive between the output precision and be connected by arranging pin; Described constant current control assembly comprises input overcurrent-overvoltage protecting circuit 110, EMI circuit 120, rectification circuit 130, pfc circuit 140 and switch voltage-stabilizing circuit 150; Described system controlled by computer and driving output precision comprise that pattern and speed are provided with circuit 210, microcomputer control circuit 220, output constant-current control circuit 230, output current regulating circuit 240, output overcurrent protective circuit 250, the first driving output circuit 260, the second driving output circuit 270 and the 3rd driving output circuit 280.
The 220V power supply is by the input of power input mouth 111 input input overcurrent-overvoltage protecting circuits 110, the output of input overcurrent-overvoltage protecting circuit 110 connects EMI circuit 120, rectification circuit 130, pfc circuit 140 and switch voltage-stabilizing circuit 150 successively, the output of pfc circuit 140 inserts described system controlled by computer and drives the input of the output constant-current control circuit 230 of output precision, and the output of switch voltage-stabilizing circuit 150 inserts described system controlled by computer respectively and drives the microcomputer control circuit 220 of output precision and the input of output constant-current control circuit 230; Pattern is connected microcomputer control circuit 220 and output constant-current control circuit 230 successively with the output that speed is provided with circuit 210; the output of output current regulating circuit 240 inserts output constant-current control circuit 230; the output of output overcurrent protective circuit 250 inserts microcomputer control circuit 220 and output constant-current control circuit 230 respectively; the output of output constant-current control circuit 230 connects first respectively and drives output circuit 260; second drives the input that output circuit 270 and the 3rd drives output circuit 280; first drives output circuit 260; second drives output circuit 270 and the 3rd drives the output of output circuit 280 by output port 290 output LED power supplys, the first driving output circuit 260; second drives output circuit 270 is connected output overcurrent protective circuit 250 respectively with the 3rd signal feedback end that drives output circuit 280.
The operation principle of energy-saving LED color lamp driving power of the present utility model is as follows: exchange AC176V～265V power supply and be linked into input overcurrent-overvoltage protecting circuit 110 from input port 111, through EMI circuit 120, to rectification circuit 130 rectifications is DC power supply, carry out power factor correction through pfc circuit 140 again, supply with switch voltage-stabilizing circuit 150, first drives output circuit 260, second drives output circuit 270 and the 3rd drives output circuit 280, and it is microcomputer control circuit 220 that switch voltage-stabilizing circuit 150 produces stable 12V DC power supply, output constant-current control circuit 230 provides working power; 230 controls first of output constant-current control circuit drive output circuit 260, second and drive output circuit 270 and the 3rd driving output circuit 280, make output driving current constant in 600mA ± 5%, the user also can pass through 240 pairs of output currents of output current regulating circuit free adjustment in 0～600mA scope; Simultaneously, 220 pairs first of microcomputer control circuits drive output circuit 260, the second driving output circuit 270 and the 3rd drives output circuit 280 and carries out brightness adjustment control, make LED operational mode and speed by pattern and speed the instruction operation that circuit 210 is imported is set, realize total controlled dimming with the user.
In an embodiment; not only export constant-current control circuit 230 integrated overvoltage, excess temperature, overcurrent, load short circuits and open circuit protecting function; but also extra input overcurrent-overvoltage protecting circuit 110, the output overcurrent protective circuit 250 of increasing; in case break down; in the microsecond level, close output; make LED obtain duplicate protection, also make electrical network interference-free.
As shown in Figure 2, wherein L, N are power input mouth 111; Fuse F1, thermistor NTC1 and piezo-resistance RY1 form input overcurrent-overvoltage protecting circuit 110; Capacitor C 1, C2, resistance R 1, R2 and common mode inductance E1 form EMI circuit 120; Rectifier bridge BR1 is a rectification circuit 130; Capacitor C 3, C4 and diode D1～D3 forms pfc circuit 140; Resistance R 3, R4, capacitor C 5～C7, diode D4, D5, inductance L 1 and integrated circuit U1 form switch voltage-stabilizing circuit 150; Resistance R 5, R6 and thumb-acting switch S1 compositional model and speed are provided with circuit 210; Capacitor C 9～C12, resistance R 7,1R1,2R1,3R1, triode 1Q1,2Q1,3Q1 and crystal oscillator Y1 and integrated circuit U2 form microcomputer control circuit 220; Resistance 1R2～1R7,1R9,1R10, electric capacity 1C1,1C2, voltage-stabiliser tube 1Z1, integrated circuit 1U1, resistance 2R2～2R7,2R9,2R10, electric capacity 2C1,2C2, voltage-stabiliser tube 2Z1, integrated circuit 2U1, resistance 3R2～3R7,3R9,3R10, electric capacity 3C1,3C2, voltage-stabiliser tube 3Z1, integrated circuit 3U1 form incorporate output constant current control module circuit 230; Precision potentiometer 1RP1 and electric capacity 1C0, precision potentiometer 2RP1 and electric capacity 2C0, precision potentiometer 3RP1 and electric capacity 3C0 form output current regulating circuit 240; Resistance 1R12～1R14,2R12～2R14,3R12～3R14, R8, R9, capacitor C 13, triode Q1,1Q3,2Q3,3Q3 form 3 road output overcurrent protective circuits 250; Resistance 1R8,1R11, electric capacity 1C3, diode 1D1,1D2, magnetic bead 1CZ1, inductance 1L1, field effect transistor 1Q2 form the first driving output circuit 260 that red LED drives; Resistance 2R8,2R11, electric capacity 2C3, diode 2D1,2D2, magnetic bead 2CZ1, inductance 2L1, field effect transistor 2Q2 form the second driving output circuit 270 that green LED drives; Resistance 3R8,3R11, electric capacity 3C3, diode 3D1,1D2, magnetic bead 3CZ1, inductance 3L1, field effect transistor 3Q2 form that blue led drives with the 3rd drive output circuit 280; LED+, LED_R, LED_G, LED_B are the output port 290 that LED drives.
Exchange AC176V～265V power supply and be linked into input overcurrent-overvoltage protecting circuit 110 from input port 111, F1 is a fuse, when work is broken down electric current when excessive, if output overcurrent protective circuit 250 is not moved, then F1 can fuse and play the second protection effect, and NTC1 is a thermistor, the impulse current during the restriction start, RY1 is a piezo-resistance, prevent to be struck by lightning and electrical network in high-voltage pulse scurry into internal circuit and damage element; Common mode and series mode interference signal in the EMI circuit 120 filtering electrical networks that capacitor C 1, C2 and common mode inductance E1 form, the interference signal of buffer circuit inside is not scurried in the electrical network yet simultaneously, and R1 and R2 are bleeder resistance; The passive power factor correcting circuit that capacitor C 3, C4 and triode D1, D2, D3 form reaches more than 0.9 power factor of the present utility model; Capacitor C 0 filtering high-frequency impulse disturbs; Integrated circuit U1 is the BUCK converter chip, DC high-voltage power supply after the rectification is transformed to stablizes the 12V power supply with R3, R4, D4, D5, L1, the C5～switch voltage-stabilizing circuit 150 of C7 composition, the 12V power supply divides two-way output: the one road supplies with output constant current control module circuit 230 uses, and another road is transformed to 5V through low pressure difference linear voltage regulator U3 and provides working power for microcomputer control circuit 220; The VDD pin of three tunnel constant current control chip 1U1/2U1/3U1 obtains promptly to enter operating state behind the 12V power supply, at first, OUT pin output low level, make field effect transistor 1Q2/2Q2/3Q2 conducting, red/green/blue LED load that electric current outputs to from output port LED+, get back to output port LED_R/LE_G/LED_B, through resistance 1R12/2R12/3R12, inductance 1L1/2L1/3L1, field effect transistor 1Q2/2Q2/3Q2 OUT pin to chip 1U1/2U1/3U1, flow out from the CS pin again, flow through resistance 1R5～1R7/2R5～2R7/3R5～3R7 and form the loop to ground, LED is lighted; Resistance 1R5～1R7/2R5～2R7/3R5～3R7 is a current sampling resistor, because flowing through the electric current of inductance can not suddenly change, electric current is since 0 linear the rising, when the sample resistance both end voltage reaches 0.25V, electric current is to peaking, and the energy of inductance storage simultaneously reaches maximum, OUT pin output high level, field effect transistor 1Q2/2Q2/3Q2 turn-offs, and the resistance of adjusting sample resistance is the size of scalable peak current; When the field effect pipe turn-offs, the energy of inductance storage does not discharge, because the sense of current can not suddenly change in the inductance, electric current continues to flow out to diode 1D2/2D2/3D2 anode from inductance 1L1/2L1/3L1 and flows out from negative electrode through diode, output to red/green/blue LED load again from output port LED+, get back to output port LED_R/LE_G/LED_B, return inductance 1L1/2L1/3L1 through resistance 1R12/2R12/3R12 and form the loop, LED is lighted; When the energy of storing in the inductance was discharged into 0, the OUT pin is output low level once more, entered the next work period.Magnetic bead 1CZ1/2CZ1/3CZ1 filtering switching noise, resistance 1R11/2R11/3R11 and electric capacity 1C3/2C3/3C3 absorb spike, effectively reduce electromagnetic radiation and impulse disturbances, eliminate the pollution to electrical network and environment, accomplish environmental protection.
The LN pin of chip 1U1/2U1/3U1 is a line Voltage Feedback pin, is connected to dc supply input by 1R9 and 1R10/2R9 and 2R10/3R9 and 3R10, when chip detection is too high to supply voltage, promptly turn-offs output, realizes overvoltage protection; When chip detection is too high to internal temperature, also turn-off output, realize overheat protector; Resistance 1R12/2R12/3R12 is an output overcurrent protection sample resistance, during operate as normal, the pressure drop of resistance two ends is very low, do not influence the LED luminous efficiency, when breaking down or short circuit in arbitrary road, when electric current increases, the pressure drop of resistance two ends raises, if resistance drop is greater than the BE knot pressure drop of triode 1Q3/2Q3/3Q3, the triode saturation conduction, electric current makes the Q1 saturation conduction through the base stage that 1R14/2R14/3R14 delivers to triode Q1, it is that low level produces and interrupts that the INT0 pin of unit sheet U2 is drawn, the P3.4 of U2, P3.5, the P3.7 pin is exported high level immediately and is made triode 1Q1/2Q1/3Q1 conducting, the DIM pin of constant current control chip 1U1/2U1/3U1 is drawn be low level, and the constant current control chip turn-offs output immediately, whole process is finished in the microsecond level, realizes protection fast and effectively; When the open circuit of a certain road, the CS pin of chip 1U1/2U1/3U1 detects the no-output electric current, turn-offs output immediately, realizes open-circuit-protection.Precision potentiometer 1RP1 and electric capacity 1C0,2RP1 and 2C0,3RP1 and 3C0 form three road current regulating circuits respectively, regulate three road output currents respectively.U2 is 8 single-chip microcomputers using always in the microcomputer control circuit, its P3.4, P3.5, the P3.7 mouth is respectively red, green, blue LED light modulation drive output port, the P1 mouth meets 8 thumb-acting switch S1, single-chip microcomputer carries out real time scan to the P1 mouth, according to the user to the operation of thumb-acting switch from P3.4, P3.5, P3.7 mouth output pwm pulse is to constant current control chip 1U1,2U1, the DIM pin of 3U1, constant current control chip 1U1,2U1,3U1 promptly exports the break-make of pwm pulse control switch field effect transistor from the OUT pin according to the control signal of DIM pin, regulate the size of output current, thereby regulate the luminosity of LED, realize the numerical control light modulation.1,2,3,4 of thumb-acting switch S1 is provided with the position for LED color change pattern, 5,6,7,8 are provided with the position for LED color change speed, have three look saltus steps, three look gradual changes, seven color saltus steps, 4 kinds of patterns of seven color gradual changes and quick, supper-fast, at a slow speed, super 4 kinds of speed at a slow speed, but arbitrary combination.
As shown in Figure 3, the PCB left side is followed successively by input port L, N from top to bottom, the input overcurrent-overvoltage protecting circuit of forming by F1, NTC1, RY1 110, the EMI circuit of forming by elements such as C1, E1, C2 120, rectification circuit 130 is made up of rectifier bridge BR1, the pfc circuit of being made up of C3, C4, D1, D2, D3 140; It is the switch voltage-stabilizing circuit 150 that core is formed that top, the right is followed successively by with U1, with 1U1,2U1,3U1 is core set all-in-one-piece constant current output control circuit 230, pattern and the speed be made up of S 1 are provided with circuit 210, are the microcomputer control circuit 220 that core is formed by U2, Y1; The middle part is followed successively by the first driving output circuit 260 of the red LED output of being made up of elements such as 1Q2,1L1,1C3, second of the green LED output of being made up of elements such as 2Q2,2L1,2C3 drives output circuit 270, the 3rd driving output circuit 280 of the blue led output of being made up of elements such as 3Q2,3L1,3C3; The bottom is followed successively by the output protection circuit of the red LED of being made up of elements such as 1R12,1Q3; the output protection circuit of the green LED of forming by elements such as 2R12,3Q3; the output protection circuit of the blue led of being made up of elements such as 3R12,3Q3 is that LED output port of power source LED+ and red, green, blue three paths of LEDs drive port LED_R, LED_G, LED_B bottom.Each functional circuit module not only connects each other but also separate, makes whole case layout smoothness, compact conformation, power density height, effectively reduces and disturbs, raises the efficiency.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. an energy-saving LED color lamp driving power is characterized in that, it comprises a constant current control assembly and a system controlled by computer and drive output precision, and described constant current control assembly is with described system controlled by computer and drive between the output precision and be connected by arranging pin; Described constant current control assembly comprises input overcurrent-overvoltage protecting circuit, EMI circuit, rectification circuit, pfc circuit and switch voltage-stabilizing circuit, power supply is imported the input of described input overcurrent-overvoltage protecting circuit by the power input mouth, the output of described input overcurrent-overvoltage protecting circuit connects EMI circuit, rectification circuit, pfc circuit and switch voltage-stabilizing circuit successively, and the output of described pfc circuit and the output of described switch voltage-stabilizing circuit insert described system controlled by computer and drive the input of output precision; Described system controlled by computer and driving output precision comprise that pattern and speed are provided with circuit; microcomputer control circuit; the output constant-current control circuit; the output current regulating circuit; the output overcurrent protective circuit; first drives output circuit; second drives output circuit and the 3rd drives output circuit; described pattern is connected described microcomputer control circuit and described output constant-current control circuit successively with the output that speed is provided with circuit; the output of described output current regulating circuit inserts described output constant-current control circuit; the output of described output overcurrent protective circuit inserts described microcomputer control circuit and described output constant-current control circuit respectively; the output of described output constant-current control circuit connects described first respectively and drives output circuit; second drives the input that output circuit and the 3rd drives output circuit; described first drives output circuit; second drives the output output LED power supply that output circuit and the 3rd drives output circuit, and described first drives output circuit; second drives output circuit is connected described output overcurrent protective circuit respectively with the 3rd signal feedback end that drives output circuit.
2. energy-saving LED color lamp driving power as claimed in claim 1 is characterized in that, the length≤140mm of described constant current control assembly and described system controlled by computer and driving output precision, and width≤78mm, highly≤35mm.
3. energy-saving LED color lamp driving power as claimed in claim 1 is characterized in that, described pattern and speed are provided with circuit and are made up of resistance R 5, resistance R 6 and thumb-acting switch S1.
4. energy-saving LED color lamp driving power as claimed in claim 1, it is characterized in that, described microcomputer controlled electro route capacitor C 9～C12, resistance R 7, resistance 1R1, resistance 2R1, resistance 3R1, triode 1Q1, triode 2Q1, triode 3Q1, crystal oscillator Y1 and integrated circuit U2 form.
5. energy-saving LED color lamp driving power as claimed in claim 1, it is characterized in that, described output constant-current control circuit is by resistance 1R2～1R7,1R9,1R10, electric capacity 1C1,1C2, voltage-stabiliser tube 1Z1, integrated circuit 1U1, resistance 2R2～2R7,2R9,2R10, electric capacity 2C1,2C2, voltage-stabiliser tube 2Z1, integrated circuit 2U1, resistance 3R2～3R7,3R9,3R10, electric capacity 3C1,3C2, voltage-stabiliser tube 3Z1, integrated circuit 3U1 form.
6. energy-saving LED color lamp driving power as claimed in claim 1 is characterized in that, described first drives output circuit by resistance 1R8, resistance 1R11, electric capacity 1C3, diode 1D1,1D2, and magnetic bead 1CZ1, inductance 1L1 and field effect transistor 1Q2 form.
7. energy-saving LED color lamp driving power as claimed in claim 1 is characterized in that, described second drives output circuit by resistance 2R8, resistance 2R11, electric capacity 2C3, diode 2D1,2D2, and magnetic bead 2CZ1, inductance 2L1 and field effect transistor 2Q2 form.
8. energy-saving LED color lamp driving power as claimed in claim 1 is characterized in that, the described the 3rd drives output circuit by resistance 3R8, resistance 3R11, electric capacity 3C3, diode 3D1,1D2, and magnetic bead 3CZ1, inductance 3L1 and field effect transistor 3Q2 form.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102905435A (en) * | 2012-10-17 | 2013-01-30 | 广州南科集成电子有限公司 | Wide-voltage high-power-factor light emitting diode (LED) lamp switching and dimming circuit |
| CN105517260A (en) * | 2016-02-03 | 2016-04-20 | 泰州优宾晶圆科技有限公司 | Bulb and power source integration system |
| CN105845075A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Energy-saving LED (light emitting diode) panel control system |
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2010
- 2010-11-19 CN CN2010206189315U patent/CN201887983U/en not_active Expired - Fee Related
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| CN106170160A (en) * | 2015-05-20 | 2016-11-30 | 玉晶光电股份有限公司 | Fishing lamp system |
| CN105517260A (en) * | 2016-02-03 | 2016-04-20 | 泰州优宾晶圆科技有限公司 | Bulb and power source integration system |
| CN107438323A (en) * | 2016-05-27 | 2017-12-05 | 于春晓 | A kind of novel high-pressure sodium vapor lamp electricity-saving appliance |
| CN105845075A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Energy-saving LED (light emitting diode) panel control system |
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| CN105845073A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Radiation protection LED (light emitting diode) panel |
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| CN107064825A (en) * | 2017-06-08 | 2017-08-18 | 常东记 | A kind of LED multifunctional testers |
| CN114205964A (en) * | 2020-09-02 | 2022-03-18 | 佛山市威得士灯饰电器有限公司 | Linear silicon controlled rectifier dimming lamp and driving method thereof |
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