CN101420804B - High power LED lamp driving power source and combination of matched lamp - Google Patents
High power LED lamp driving power source and combination of matched lamp Download PDFInfo
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- CN101420804B CN101420804B CN2008101222418A CN200810122241A CN101420804B CN 101420804 B CN101420804 B CN 101420804B CN 2008101222418 A CN2008101222418 A CN 2008101222418A CN 200810122241 A CN200810122241 A CN 200810122241A CN 101420804 B CN101420804 B CN 101420804B
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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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/39—Circuits containing inverter bridges
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The invention discloses a combination of a drive power supply of a high-power LED street lamp and the matching lamp thereof. The combination comprises the drive power supply and a lamp combination circuit, and is characterized in that the drive power supply consists of a filter and rectification circuit, a half-bridge inversion circuit, a constant power control circuit and an inductive current-limiting circuit; 220V alternating current in power frequency is input to the input terminal of the filter and rectification circuit; the inductive current-limiting circuit consists of more than one high-frequency inductor jointly; the lamp combination circuit consists of more than one path of LED; each path of LED consists of two strings of LED lamps; the two strings of LED lamps are reversely connected in parallel to form a path of lamp combination circuit; and each string of LED lamp is formed by connecting more than one high-power LED in series. The combination circuit of the drive power supply of the high-power LED lamp and the matching lamp thereof obtained by the invention has the advantages of reasonable design, simple circuit, stable application of the combination of the drive power supply and the matching lamp thereof, good constant power, input power factor of the power supply over 0.95, efficiency over 0.97, high reliability, long service life and the like, and can be widely applied to various places illuminated by utilizing the high-power LED lamps.
Description
Technical field:
The present invention relates to the combination of a kind of high power LED lamp driving power source and matched lamp thereof, particularly a kind of power frequency 90V-260V that can adapt to exchanges input, the output services voltage combination greater than the high power LED lamp driving power source and the matched lamp thereof of 3.8V high-frequency pulse voltage.
Technical background:
Present existing high-capacity LED lamp generally all adopts AC-DC to add the work of constant-current driving lamp, because this technical route needs a Switching Power Supply that alternating current is become direct current and then comes the work of driving LED lamp through the mode of constant current, because complex circuit; More failure rate height of the element that adopts and the reliability of using are affected; Again because the loss meeting of the middle transition link of technical route influences the conversion efficiency of power supply, thereby can cause the decline of power source integral efficient, the input power factor of common Switching Power Supply is about about 0.6; Efficient is about about 0.8; Will further improve input power factor and efficient certainly will need to increase more cost, consequently will face reliability problems, further to the combining form analysis of the lamp of cooperation with it; The combining form poor fault tolerance of this lamp; Usually become one group after adopting the series connection of plurality of LEDs lamp, the LED lamp is looked watt level and is made up of many groups lamp string usually, is connected to power supply then; Suppose that a certain lamp damages other lamps on the same group and all can extinguish, this phenomenon is unallowed in LED lamp actual motion.
Summary of the invention:
The objective of the invention is in order to solve the deficiency of product in the above-mentioned prior art, and provide a kind of and can adapt to that power frequency 90V-260V exchanges input, High Power Factor, high conversion efficiency, has constant output characteristic, defencive function is perfect, the zmodem of lamp combination, output services voltage be greater than the combination of the high power LED lamp driving power source and the matched lamp thereof of 3.8V high-frequency pulse voltage.
For achieving the above object; A kind of high-capacity LED streetlamp driving power supply of the present invention's design and the combination of matched lamp thereof; It comprises driving power and lamp combinational circuit; It is characterized in that driving power by filter rectifier, half-bridge inversion circuit, firm power control circuit, the current limit by inductance circuit is formed, the input input power frequency 220V alternating current of filter rectifier; The current limit by inductance circuit is formed by comprising more than one high-frequency inductor jointly; The lamp combinational circuit is made up of the LED that comprises more than a tunnel; Every paths of LEDs is made up of the identical LED lamp of two string numbers; The identical LED lamp reverse parallel connection of two string numbers constitutes a street lamp combinational circuit, and every string LED lamp is composed in series by more than one High Power LED LED; The number of high-frequency inductor is identical with the way of LED lamp, and the other end that is connected to an end, the high-frequency inductor of the secondary N2 of high frequency transformer T after an end of high-frequency inductor jointly links to each other links to each other with a end of each lamp group of LED respectively; The a-a end of each street lamp group is connected to the other end of the secondary N2 of high frequency transformer T after common linking to each other.
Said filter rectifier is made up of a kind of filter rectifier of routine jointly fuse FU, capacitor C 0, C0a, C1, C2, CY1, CY2, differential mode inductance L, common mode inductance EMI, piezo-resistance VR, rectifier bridge heap BR; Wherein capacitor C 0, C0a two ends connect respectively input ac power L end, N end, capacitor C 1, through differential mode inductance L, fuse FU link to each other with input ac power respectively, input ac power through common mode inductance EMI join with pin BR1, pin BR3, capacitor C Y1, CY2 one end of piezo-resistance VR, capacitor C 2, rectifier bridge heap BR respectively, capacitor C Y1, the CY2 other end be connected to ground PE, the positive direct-current electricity (V+) of the pin BR2 output ripple of rectifier bridge heap BR, the negative direct current GND of pin BR4 output jointly.
Said half-bridge inversion circuit is made up of integrated circuit U1, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R13, R14, capacitor C 3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, CY3, CY4, diode D1, D2, D3, D4, D5, D6, voltage stabilizing didoe DW, unidirectional controllable silicon S CR, FET Q1, Q2, high frequency transformer T jointly; Wherein resistance R 1, R2, termination positive direct-current electricity (V+), the other end of resistance R 1 join through the negative pole of capacitor C 3 with voltage stabilizing didoe DW, the other end of resistance R 2 through diode D1 link to each other with capacitor C 4 positive poles, C5, integrated circuit U1 pin U1-1, the positive pole of voltage stabilizing didoe DW be connected to GND composition start-up circuit after capacitor C 4 negative poles, C5, integrated circuit U1 pin U1-2 link to each other; An end is connected with the pin U1-3 of U1 after R3, the C6 parallel connection, another termination GND forms regularly breaking circuit; Unidirectional controllable silicon S CR, diode D5, D6, resistance R 7, R8, R9, capacitor C 7, C10, C11 form protective circuit; Wherein the anode of unidirectional controllable silicon S CR links to each other with integrated circuit U1 pin U1-1, the negative electrode of unidirectional controllable silicon S CR meets GND; The control utmost point of unidirectional controllable silicon S CR connects resistance R 8 through diode D5; Resistance R 8 other ends are connected with resistance R 7 with integrated circuit U1 pin U1-4 respectively, and resistance R 7 other ends extremely link to each other with the S of FET Q2; The control utmost point of unidirectional controllable silicon S CR is connected with capacitor C 11 with resistance R 9 respectively through diode D6, and capacitor C 11 other ends link to each other with integrated circuit U1 pin U1-6, and the control utmost point of unidirectional controllable silicon S CR connects the GND end through C10; Resistance R 4, R5, R6, R13, R14, FET Q1, Q2, capacitor C 12, C13, high frequency transformer T form the switch inversion output circuit; Wherein integrated circuit U1 pin U1-7, pin U1-5 respectively through resistance R 4, R5 extremely link to each other with the G of FET Q1, Q2, integrated circuit U1 pin U1-6 links to each other with the elementary N1 end of S, the D utmost point of Q2, the high frequency transformer T of FET Q1, the elementary N1 end of high frequency transformer T is connected with positive direct-current electric (V+), GND respectively through capacitor C 12, C13, resistance R 13, R14, the S utmost point that the D utmost point of FET Q1 meets positive direct-current electricity (V+), FET Q2 meets the pin U1-4 that GND, resistance R 7 are connected to U1 through resistance R 6; Capacitor C 9, diode D3, D4 form charge pump circuit, wherein the elementary N1 of high frequency transformer T end through capacitor C 9 anodally link to each other with diode D3 negative pole, D4 respectively, diode D3 positive pole meets GND, the D4 negative pole meets integrated circuit U1 pin U1-1; Diode D2, capacitor C 8 are the Bootstrap element, wherein diode D2 positive pole meets integrated circuit U1 pin U1-1, diode D2 negative pole meets integrated circuit U1 pin U1-8.
Said firm power control circuit is made up of photoelectrical coupler U2, accurate three terminal regulator U3, resistance R 10, R11, R12, capacitor C 14, C15, diode D7 jointly; Wherein the positive pole of diode D7 connects the N2-2 end of the secondary N2 of high frequency transformer T; Diode D7 negative pole is through capacitor C 15 filtering; And meet photoelectrical coupler U2 pin U2-1 through resistance R 10 as the sampled signal of power output; Diode D7 negative pole is connected with accurate three terminal regulator U3 pin R, capacitor C 14, resistance R 12 1 ends through resistance R 11; Capacitor C 14 other ends are connected with accurate three terminal regulator U3 pin K and photoelectrical coupler U2 pin U2-2; Resistance R 12 other ends are connected with accurate three terminal regulator U3 pin A, and the negative pole of capacitor C 15 is connected with the N2-1 end of the secondary N2 of high frequency transformer T, and the pin U2-3 of photoelectrical coupler U2 is connected with integrated circuit U1 pin U1-4, the pin U2-4 of photoelectrical coupler U2 meets GND.Said current limit by inductance circuit; L1 to L12 forms by high-frequency inductor; High-frequency inductor can adopt one on demand to forming jointly more than 12 high-frequency inductor, and the L-2 end that wherein L-1 of high-frequency inductor L1 to L12 end is common is connected to an end, the high-frequency inductor L1 to L12 of the secondary N2 of high frequency transformer T after linking to each other links to each other with a end of each lamp group of LED respectively.
Said lamp combinational circuit forms one the tunnel jointly by High Power LED LED1 to LED6, also can adopt one to N LED on demand; Wherein LED 1 negative pole connects the LED2 positive pole, the LED2 negative pole connects the LED3 positive pole; The rest may be inferred constitutes a lamp string for LEDn; The rest may be inferred also constitutes a lamp string after connecting to LEDn by same method for LED 4, LED5, LED6; Again two lamp string reverse parallel connections are constituted a street lamp combinational circuit; A LED lamp string number is strange, even number is not limit but two a lamp string number must be identical, and the lamp group links to each other with the L-2 end of high-frequency inductor L1 to L12 respectively, the a-a end of lamp group is connected to the N2-2 end of the secondary N2 of high frequency transformer T after common linking to each other.
The high power LED lamp driving power source of the present invention's design and the combinational circuit of matched lamp thereof; Have reasonable in design, simple in structure, driving power and its matched lamp the Combination application stability of characteristics, have preferably constant power characteristics, power supply input power factor greater than 0.95; Efficient is greater than 0.97; Advantages such as reliability height, long service life can be widely used in the occasion that various high-powered LED lamps throw light on.
Description of drawings:
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is a functional-block diagram of the present invention;
Fig. 2 is circuit theory diagrams of the present invention.
Wherein: frame of broken lines 1 is that conventional filter rectifier, frame of broken lines 2 is lamp combinational circuit for firm power control circuit, frame of broken lines 4 for current limit by inductance circuit, frame of broken lines 5 for half-bridge inversion circuit, frame of broken lines 3 among Fig. 2.
Embodiment:
Embodiment:
As shown in Figure 1; The high power LED lamp driving power source that present embodiment provides and the combination of matched lamp thereof; It comprises driving power and lamp combinational circuit; Wherein driving power is by filter rectifier 1, half-bridge inversion circuit 2, firm power control circuit 3, and current limit by inductance circuit 4 is formed, input 6 input power frequency 220V alternating currents.
Shown among Fig. 21; Said filter rectifier 1 is made up of a kind of filter rectifier of routine jointly fuse FU, capacitor C 0, C0a, C1, C2, CY1, CY2, differential mode inductance L, common mode inductance EMI, piezo-resistance VR, rectifier bridge heap BR; Wherein capacitor C 0, C0a two ends connect respectively input ac power L end, N end, capacitor C 1, through differential mode inductance L, fuse FU link to each other with input ac power respectively, input ac power through common mode inductance EMI join with pin BR1, pin BR3, capacitor C Y1, CY2 one end of piezo-resistance VR, capacitor C 2, rectifier bridge heap BR respectively, capacitor C Y1, the CY2 other end be connected to ground PE jointly; The positive direct-current electricity (V+) of the pin BR2 output ripple of rectifier bridge heap BR, the negative direct current GND of pin BR4 output; Wherein, 220 volts of alternating-current power supplies of input power frequency are inserted by port L, N respectively; Capacitor C 0, C0a, C1, CY1, CY2 inductance L are formed π type differential mode filter; Inductance EMI, C2, composition common-mode filter, intermediate contact ground connection PE after the series connection of capacitor C Y1, CY2 wherein, the purpose that filter circuit is set is to guarantee that driving power can obtain good electromagnetic compatibility characteristic; The positive direct-current electricity (V+) of the pin BR2 output ripple of rectifier bridge heap BR, the negative direct current GND of pin BR4 output.
Shown among Fig. 22, half-bridge inversion circuit 2 contains integrated circuit U1, FET Q1, Q2, high frequency transformer T, diode, reaches other resistance, the schematic diagram that electric capacity is formed.
Said half-bridge inversion circuit 2 is made up of integrated circuit U1, resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R13, R14, capacitor C 3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, CY3, CY4, diode D1, D2, D3, D4, D5, D6, voltage stabilizing didoe DW, unidirectional controllable silicon S CR, FET Q1, Q2, high frequency transformer T jointly; Wherein resistance R 1, R2, negative pole through capacitor C 3 and voltage stabilizing didoe DW of the other end of termination positive direct-current electricity (V+), resistance R 1, resistance R 2 the other end through diode D1 link to each other with capacitor C 4 positive poles, C5, integrated circuit U1 pin U1-1, the positive pole of voltage stabilizing didoe DW, be connected to GND composition start-up circuit after capacitor C 4 negative poles, C5, integrated circuit U1 pin U1-2 are continuous; An end is connected with the pin U1-3 of U1 after R3, the C6 parallel connection, another termination GND forms regularly breaking circuit; Unidirectional controllable silicon S CR, diode D5, D6, resistance R 7, R8, R9, capacitor C 7, C10, C11 form protective circuit; The control utmost point that wherein anode of unidirectional controllable silicon S CR and integrated circuit U1 pin U1-1 link to each other, the negative electrode of unidirectional controllable silicon S CR meets GND, unidirectional controllable silicon S CR is connected resistance R 8 through diode D5; Resistance R 8 other ends are connected with resistance R 7 with integrated circuit U1 pin U1-4 respectively, and resistance R 7 other ends extremely link to each other with the S of FET Q2; The control utmost point of unidirectional controllable silicon S CR is connected with capacitor C 11 with resistance R 9 respectively through diode D6, and capacitor C 11 other ends link to each other with integrated circuit U1 pin U1-6, and the control utmost point of unidirectional controllable silicon S CR connects the GND end through C10; Resistance R 4, R5, R6, R13, R14, FET Q1, Q2, capacitor C 12, C13, high frequency transformer T form the switch inversion output circuit; Wherein integrated circuit U1 pin U1-7, pin U1-5 respectively through resistance R 4, R5 extremely link to each other with the G of FET Q1, Q2, integrated circuit U1 pin U1-6 links to each other with the elementary N1 end of S, the D utmost point of Q2, the high frequency transformer T of FET Q1, the elementary N1 end of high frequency transformer T is connected with positive direct-current electric (V+), GND respectively through capacitor C 12, C13, resistance R 13, R14, the S utmost point that the D utmost point of FET Q1 meets positive direct-current electricity (V+), FET Q2 meets the pin U1-4 that GND, resistance R 7 are connected to U1 through resistance R 6; Capacitor C 9, diode D3, D4 form charge pump circuit, wherein the elementary N1 of high frequency transformer T end through capacitor C 9 anodally link to each other with diode D3 negative pole, D4 respectively, diode D3 positive pole meets GND, the D4 negative pole meets integrated circuit U1 pin U1-1; Diode D2, capacitor C 8 are the Bootstrap element, wherein diode D2 positive pole meets integrated circuit U1 pin U1-1, diode D2 negative pole meets integrated circuit U1 pin U1-8.
Resistance R 1, R2, capacitor C 3, C4, C5, diode D1, voltage-stabiliser tube DW form start-up circuit among the figure, and integrated circuit U1 starts working when the voltage of the pin U1-1 of integrated circuit U1 reaches starter gate valve threshold voltage 11.8V; An end is connected with the pin U1-3 of U1 after R3, the C6 parallel connection, another termination GND forms regularly breaking circuit; Unidirectional controllable silicon S CR, diode D5, D6, resistance R 7, R8, R9, capacitor C 7, C11 form protective circuit, when the voltage of the pin U1-4 of U1 surpasses 0.5V, unidirectional controllable silicon S CR conducting U1 is closed; Resistance R 4, R5, R6, R13, R14, FET Q1, Q2, capacitor C 12, C13, high frequency transformer T form the switch inversion output circuit; Switching signal by pin U1-5, the pin U1-7 of U1 offer Q2, Q1, make Q2, Q1 takes turns conducting, elementary N1 through high frequency transformer T realizes capacitor C 12, C13 are discharged and recharged, are about the 30KH high-frequency pulse voltage of 12V in the secondary N2 amplitude of inducing, R6 be current limliting pick up resistance then and through R7 with current signal convert pin U1-4 that voltage signal offers U1 into, when the voltage of the pin U1-4 of U1 surpasses 0.5V, unidirectional controllable silicon S CR conducting U1 is closed; Capacitor C 9, diode D3, D4 form charge pump circuit export to integrated circuit U1 pin U1-1, when work being provided for it keep voltage, be that Bootstrap element, its effect are that high-side driver to integrated circuit U1 provides power supply with assurance U1 pin U1-7 ability reliably working with loss, diode D2, the capacitor C 8 of further reduction U1.
Shown among Fig. 23, firm power control circuit 3, contain photoelectrical coupler U2, accurate three terminal regulator U3, and other diode, resistance, the schematic diagram that electric capacity is formed.
Said firm power control circuit 3 is made up of photoelectrical coupler U2, accurate three terminal regulator U3, resistance R 10, R11, R12, capacitor C 14, C15, diode D7 jointly; Wherein the positive pole of diode D7 connects the N2-2 end of the secondary N2 of high frequency transformer T; Diode D7 negative pole is through capacitor C 15 filtering; And meet photoelectrical coupler U2 pin U2-1 through resistance R 10 as the sampled signal of power output; Diode D7 negative pole is connected with accurate three terminal regulator U3 pin R, capacitor C 14, resistance R 12 1 ends through resistance R 11; Capacitor C 14 other ends are connected with accurate three terminal regulator U3 pin K and photoelectrical coupler U2 pin U2-2; Resistance R 12 other ends are connected with accurate three terminal regulator U3 pin A, and the negative pole of capacitor C 15 is connected with the N2-1 end of the secondary N2 of high frequency transformer T, and the pin U2-3 of photoelectrical coupler U2 is connected with integrated circuit U1 pin U1-4, the pin U2-4 of photoelectrical coupler U2 meets GND.
Among the figure, the N2-1 end, its N2-2 end that the positive pole of diode D7 is connected in the secondary N2 of high frequency transformer T for simulate ground, its negative pole output one changes with output voltage behind diode D7 rectification peak voltage signal offers photoelectrical coupler U2 through resistance R 10, R11 respectively as the sampled signal of power output and accurate three terminal regulator U3 dividing potential drop comes the voltage of control integrated circuit U1 pin U1-4 promptly to be equivalent to have changed the switching frequency of inversion and utilized the leakage inductance of high frequency transformer T that lamp load power is tended towards stability within the specific limits basically through capacitor C 15 filtering.
Embodiment four:
Shown among Fig. 24, current limit by inductance circuit 4; Containing high-frequency inductor L1-L12 forms; High-frequency inductor L1-L12; Can adopt one on demand to forming jointly more than 12 high-frequency inductor, the L-2 end that wherein L-1 of high-frequency inductor L1-L12 end is common is connected to an end, the high-frequency inductor L1-L12 of the secondary N2 of high frequency transformer T after linking to each other links to each other with a end of each lamp group of LED respectively.The sensibility reciprocal of high-frequency inductor is bigger to the influence of lamp current, and its inductance value can be by computes in practical implementation:
Z in the formula: output loop impedance (Ω), UO: output voltage (V), UL: modulating voltage (V)
L: inductance value (mh), f: operating frequency (khz)
Embodiment five:
Shown among Fig. 25, lamp combinational circuit 5 contains the common street lamp combinational circuit of forming of High Power LED LED1-LED3 and LED4-LED6, at this, also can adopt one to n LED on demand.Wherein LED 1 negative pole connects the LED2 positive pole, the LED2 negative pole connects the LED3 positive pole; The rest may be inferred constitutes a lamp string for LEDn; The rest may be inferred also constitutes a lamp string after connecting to LEDn by same method for LED 4, LED5, LED6; Again two lamp string reverse parallel connections are constituted a street lamp combinational circuit; A LED lamp string number is strange, even number is not limit but two a lamp string number must be identical, a of lamp group 1 hold to a end of lamp group 12 link to each other with the L-2 end of high-frequency inductor L1-L12 respectively, the a-a of lamp group 1 holds the N2-2 that is connected to the secondary N2 of high frequency transformer T after common linking to each other to the a-a end of lamp group 12 to hold.Said lamp group also can form one the road on demand to more than ten two tunnel lamp group.
Among the figure; LED 1 negative pole connects LED2 positive pole, LED2 negative pole and connects that LED3 is anodal to constitute a lamp string (can adopt one to n LED on demand), also constitute after LED 4, LED5, LED6 connect by same method a that a lamp string (can adopt one to n LED on demand) constitutes a street lamp combinational circuit, lamp group 1 with two lamp string reverse parallel connections again hold to a end of lamp group 12 link to each other with the L-2 end of high-frequency inductor L1-L12 respectively, the a-a of lamp group 1 holds to the a-a end of lamp group 12 N2-2 that is connected to the secondary N2 of high frequency transformer T after continuous jointly to hold.
By output voltage in being combined in of this circuit example of the present invention is that 12V, LED lamp group are a string totally 2 string configurations of 3 lamps, connect ten two tunnel lamp combination, also can adopt according to application need and one to multiplely connect one to multiple in ten two tunnel lamp group in three lamp strings (strange, even number is not limit but two a lamp string number must be identical).The lamp array output power bracket of the present invention's example is 2W-75W, the basic needs that satisfy driving less than the 75WLED lamp, and design maximum power output of the present invention is 150W, satisfies the needs that drive high-power LED street lamp, Tunnel Lamp, flood light basically.Even owing to so the few in use indivedual LED of lamp string LED quantity of combination occur and damage the combinational circuit that also can not influence illuminating effect the present invention example matched lamp of putting in order lamp to have fault-tolerance preferably bad.
Claims (5)
1. the combination of high-capacity LED streetlamp driving power supply and matched lamp thereof; It comprises driving power and lamp combinational circuit (5); It is characterized in that driving power is by filter rectifier (1), half-bridge inversion circuit (2), firm power control circuit (3); Current limit by inductance circuit (4) is formed, input (6) the input power frequency 220V alternating current of filter rectifier (1); Current limit by inductance circuit (4) is formed by comprising more than one high-frequency inductor jointly; Lamp combinational circuit (5) is made up of the LED that comprises more than a tunnel; Every paths of LEDs is made up of the identical LED lamp of two string numbers; The identical LED lamp reverse parallel connection of two string numbers constitutes a street lamp combinational circuit, and every string LED lamp is composed in series by more than one High Power LED LED; The number of high-frequency inductor is identical with the way of LED lamp, and the other end that is connected to an end, the high-frequency inductor of the secondary N2 of high frequency transformer T after an end of high-frequency inductor jointly links to each other links to each other with a end of each lamp group of LED respectively; The a-a end of each street lamp group is connected to the other end of the secondary N2 of high frequency transformer T after common linking to each other.
2. the combination of high-capacity LED streetlamp driving power supply according to claim 1 and matched lamp thereof; It is characterized in that said filter rectifier (1) is by fuse FU, capacitor C 0, C0a, C1, C2, CY1, CY2, differential mode inductance L, common mode inductance EMI, piezo-resistance VR, the common filter rectifier of forming a kind of routine of rectifier bridge heap BR; Wherein capacitor C 0, C0a two ends connect respectively input ac power L end, N end, capacitor C 1, through differential mode inductance L, fuse FU link to each other with input ac power respectively, input ac power joins with pin BR1, pin BR3, capacitor C Y1, CY2 one end of piezo-resistance VR, capacitor C 2, rectifier bridge heap BR respectively through common mode inductance EMI; Capacitor C Y1, the CY2 other end are connected to ground PE jointly, the positive direct-current electricity (V+) of the pin BR2 output ripple of rectifier bridge heap BR, the negative direct current GND of pin BR4 output.
3. the combination of high-capacity LED streetlamp driving power supply according to claim 1 and matched lamp thereof; It is characterized in that said firm power control circuit is made up of photoelectrical coupler U2, accurate three terminal regulator U3, resistance R 10, R11, R12, capacitor C 14, C15, diode D7 jointly; Wherein the positive pole of diode D7 connects the N2-2 end of the secondary N2 of high frequency transformer T; Diode D7 negative pole is through capacitor C 15 filtering; And meet photoelectrical coupler U2 pin U2-1 through resistance R 10 as the sampled signal of power output; Diode D7 negative pole is connected with accurate three terminal regulator U3 pin R, capacitor C 14, resistance R 12 1 ends through resistance R 11; Capacitor C 14 other ends are connected with accurate three terminal regulator U3 pin K and photoelectrical coupler U2 pin U2-2; Resistance R 12 other ends are connected with accurate three terminal regulator U3 pin A, and the negative pole of capacitor C 15 is connected with the N2-1 end of the secondary N2 of high frequency transformer T, and the pin U2-3 of photoelectrical coupler U2 is connected with integrated circuit U1 pin U1-4, the pin U2-4 of photoelectrical coupler U2 meets GND.
4. the combination of high-capacity LED streetlamp driving power supply according to claim 1 and matched lamp thereof; It is characterized in that said current limit by inductance circuit (4); L1 to L12 forms by high-frequency inductor, and the L-2 end that wherein L-1 of high-frequency inductor L1 to L12 end is common is connected to an end, the high-frequency inductor L1 to L12 of the secondary N2 of high frequency transformer T after linking to each other links to each other with a end of each lamp group of LED respectively.
5. the combination of high-capacity LED streetlamp driving power supply according to claim 1 and matched lamp thereof is characterized in that said lamp combinational circuit (5) forms one the tunnel jointly by High Power LED LED1 to LED6; Wherein LED 1 negative pole connects the LED2 positive pole, the LED2 negative pole connects the LED3 positive pole; The rest may be inferred also constitutes a lamp string after connecting by same method for LED 4, LED5, LED6; Again two lamp string reverse parallel connections are constituted a street lamp combinational circuit, the lamp group links to each other with the L-2 end of high-frequency inductor L1 to L12 respectively, the a-a end of lamp group is connected to the N2-2 end of the secondary N2 of high frequency transformer T after common linking to each other.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101222418A CN101420804B (en) | 2008-11-13 | 2008-11-13 | High power LED lamp driving power source and combination of matched lamp |
| PCT/CN2009/000485 WO2010054523A1 (en) | 2008-11-13 | 2009-05-04 | Combination of a drive power supply of high-power led lamp and matched lamps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101222418A CN101420804B (en) | 2008-11-13 | 2008-11-13 | High power LED lamp driving power source and combination of matched lamp |
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| CN101420804A CN101420804A (en) | 2009-04-29 |
| CN101420804B true CN101420804B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101222418A Expired - Fee Related CN101420804B (en) | 2008-11-13 | 2008-11-13 | High power LED lamp driving power source and combination of matched lamp |
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| Country | Link |
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| CN (1) | CN101420804B (en) |
| WO (1) | WO2010054523A1 (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420804B (en) * | 2008-11-13 | 2012-12-26 | 浙江生辉照明有限公司 | High power LED lamp driving power source and combination of matched lamp |
| CN102149233B (en) * | 2010-02-10 | 2014-03-19 | 辽宁宝林集团节能科技有限公司 | LED (Light Emitting Device) light source control device |
| DE102010001919B4 (en) * | 2010-02-15 | 2012-03-01 | Osram Ag | Circuit and method for controlling a light source |
| JP5760184B2 (en) * | 2011-03-16 | 2015-08-05 | パナソニックＩｐマネジメント株式会社 | Lighting device |
| CN102523663B (en) * | 2012-01-06 | 2014-05-07 | 广州市隆都电子有限公司 | Constant-power LED drive circuit |
| DE202012004052U1 (en) * | 2012-04-23 | 2012-05-31 | Osram Ag | Buck converter for providing a current for at least one LED |
| CN103458552B (en) * | 2012-05-30 | 2016-03-30 | 海洋王照明科技股份有限公司 | A kind of LED lamp and start control circuit thereof |
| CN103052236B (en) * | 2012-12-31 | 2014-11-12 | 丁建国 | Driving power supply for LED (light emitting diode) illumination |
| CN104883769A (en) * | 2014-02-28 | 2015-09-02 | 林万炯 | Lamp control circuit and lamp using same |
| CN104602382A (en) * | 2015-02-15 | 2015-05-06 | 黄焕珠 | Alternating-current LED bulb lamp |
| CN105430843B (en) * | 2015-12-02 | 2023-08-04 | 上海航空电器有限公司 | Anti-collision lamp circuit with LED constant voltage constant current drive and stroboscopic control |
| JP6692069B2 (en) * | 2016-04-27 | 2020-05-13 | パナソニックＩｐマネジメント株式会社 | Power supply and lighting device |
| CN106124960B (en) * | 2016-09-08 | 2023-04-07 | 山东辰宇稀有材料科技有限公司 | Portable three-pin silicon material conductivity type measuring device |
| CN106989297B (en) * | 2017-05-17 | 2023-11-28 | 成都天星永光照明电器有限公司 | Light-operated LED filament lamp driving system and light-operated LED filament lamp |
| CN110098867B (en) * | 2018-01-30 | 2021-01-26 | 京东方光科技有限公司 | Frequency modulation circuit, driving circuit, control method of driving circuit and lighting system |
| CN108449845B (en) * | 2018-05-10 | 2023-09-22 | 嘉兴星程电子有限公司 | LED lamp driving device with automatic light sensing function |
| CN112040611A (en) * | 2020-09-21 | 2020-12-04 | 广东类恒星科技影视工业有限公司 | AC power supply control circuit applied to multi-primary-color LED movie and television lamp |
| CN112235910B (en) * | 2020-10-20 | 2022-07-22 | 南京尚孚电子电路有限公司 | Photochromic detection and adjustment system for automobile lamp module and working method thereof |
| CN112688578B (en) * | 2020-12-30 | 2024-08-30 | 东莞精恒电子有限公司 | Power amplification source system of high-power digital power amplification active sound box system |
| CN114629356B (en) * | 2022-03-01 | 2024-04-05 | 北京计算机技术及应用研究所 | Multi-output time sequence control method for missile-borne secondary power supply |
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| KR100706311B1 (en) * | 2005-10-26 | 2007-04-13 | 한국광기술원 | Driving circuit for light emitting diode by pulse width modulation control with full-wave rectifier |
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| CN101207954A (en) * | 2007-12-19 | 2008-06-25 | 沈锦祥 | MR16 type high power LED lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420804B (en) * | 2008-11-13 | 2012-12-26 | 浙江生辉照明有限公司 | High power LED lamp driving power source and combination of matched lamp |
-
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- 2008-11-13 CN CN2008101222418A patent/CN101420804B/en not_active Expired - Fee Related
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- 2009-05-04 WO PCT/CN2009/000485 patent/WO2010054523A1/en active Application Filing
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| KR100706311B1 (en) * | 2005-10-26 | 2007-04-13 | 한국광기술원 | Driving circuit for light emitting diode by pulse width modulation control with full-wave rectifier |
| CN201001227Y (en) * | 2007-02-02 | 2008-01-02 | 匡小红 | High power LED constant-current driving power source |
| CN201018696Y (en) * | 2007-03-16 | 2008-02-06 | 林万炯 | Control circuit of LED drive power supply |
| CN101207954A (en) * | 2007-12-19 | 2008-06-25 | 沈锦祥 | MR16 type high power LED lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101420804A (en) | 2009-04-29 |
| WO2010054523A1 (en) | 2010-05-20 |
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