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WO2012050348A2 - Appareil d'éclairage à diodes électroluminescentes de type à compensation de facteur de puissance - Google Patents

Appareil d'éclairage à diodes électroluminescentes de type à compensation de facteur de puissance Download PDF

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Publication number
WO2012050348A2
WO2012050348A2 PCT/KR2011/007546 KR2011007546W WO2012050348A2 WO 2012050348 A2 WO2012050348 A2 WO 2012050348A2 KR 2011007546 W KR2011007546 W KR 2011007546W WO 2012050348 A2 WO2012050348 A2 WO 2012050348A2
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WIPO (PCT)
Prior art keywords
inductance
capacitance
led lighting
led
inductance element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2011/007546
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English (en)
Korean (ko)
Other versions
WO2012050348A3 (fr
Inventor
임춘택
김봉철
이병훈
김현재
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OPTOMIND Inc
Korea Advanced Institute of Science and Technology KAIST
Original Assignee
OPTOMIND Inc
Korea Advanced Institute of Science and Technology KAIST
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020100099802A external-priority patent/KR101102781B1/ko
Priority claimed from KR1020110101093A external-priority patent/KR101240286B1/ko
Application filed by OPTOMIND Inc, Korea Advanced Institute of Science and Technology KAIST filed Critical OPTOMIND Inc
Priority to JP2013533765A priority Critical patent/JP5680761B2/ja
Publication of WO2012050348A2 publication Critical patent/WO2012050348A2/fr
Publication of WO2012050348A3 publication Critical patent/WO2012050348A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
    • 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
    • H05B45/355—Power factor correction [PFC]; Reactive power compensation

Definitions

  • Embodiment of the present invention relates to a power factor correction type LED lighting device for the LED. More particularly, the present invention relates to a power factor correction type LED lighting device that can be directly used for a rapid start ballast that is used in a conventional fluorescent lamp, but has a good power factor and can be designed to match an output power to an LED.
  • LED has a lot of advantages such as low power consumption, semi-permanent long life and brightness characteristics comparable to the existing fluorescent lamps. Therefore, many studies are being conducted all over the world. It is a trend that is widely used as LED lighting (el light).
  • a fluorescent lamp is a kind of mercury discharge tube having negative resistance characteristics
  • a ballast is required as a device for stably maintaining a lighting state after induction by inducing the discharge of the fluorescent lamp.
  • the ballast applies high voltage to start the discharge necessary for the initial lighting of the fluorescent lamp and supplies stable voltage and current to the fluorescent lamp after the lighting.
  • the lighting using the LED can be directly operated by a constant voltage current, without the component of the ballast, unlike the fluorescent lamp, the power required to generate the illuminance, such as fluorescent lamp has the advantage that half of the fluorescent lamp.
  • the ballast is generally firmly attached to the building ceiling, and thus it is not easy to remove the ballast, which requires a specialist's help and thus a costly problem.
  • one embodiment of the present invention in replacing the existing mercury discharge fluorescent lamp with a light emitting device using a light emitting device such as LED power factor characteristics without removing the pre-installed quick-lighting ballast for the lighting of the fluorescent lamp
  • the purpose is to provide a method that can produce a good illumination similar to the conventional fluorescent lamps.
  • each of the connection terminals provided on both ends of the LED lighting device to be coupled to the socket of the quick-lighting ballast, the both ends A compensation circuit including an inductance element and a series inductance-capacitance element in which a capacitance element is connected in series so as to be connected between a connection terminal of one end and a connection terminal of the other end; And an LED load circuit having a rectifying circuit connected to both ends of the capacitance element to rectify AC current at both ends of the capacitance element into a DC current, and an LED module connected to both ends of the rectifying circuit to receive and drive the DC current. It provides an LED lighting apparatus characterized in that.
  • the LED lighting apparatus may include: a first switch having two connection terminals at both ends thereof and selecting one connection terminal of the one end connected to one end of the series inductance-capacitance element; And a second switch for selecting one connection terminal of the other end connected to the other end of the series inductance-capacitance element.
  • the capacitance of the capacitance element may be set such that the power factor at the power input terminal of the quick-lighting ballast is one.
  • the capacitance of the inductance element may be set so that the quick lighting ballast and the compensation circuit resonate with the frequency of the input power supply of the quick lighting ballast.
  • each of the two connection terminals provided on both ends of the LED lighting device to be coupled to the socket of the quick-lighting ballast And a first inductance element and a second inductance element connected in series between any one connection terminal of the one end and the other connection terminal of the one end, between any one connection terminal of the other end and the other connection terminal of the other end.
  • a third inductance element and a fourth inductance element connected in series, a capacitance element connected between a connection point between said first inductance element and said second inductance element and a connection point between said third inductance element and said fourth inductance element; Compensation circuit; And an LED load circuit having a rectifying circuit connected to both ends of the capacitance element to rectify AC current at both ends of the capacitance element into a DC current, and an LED module connected to both ends of the rectifying circuit to receive and drive the DC current. It provides an LED lighting apparatus characterized in that.
  • Capacitance of the first inductance element, the second inductance element, the third inductance element and the fourth inductance element may include the quick lighting ballast, the first inductance element, the second inductance element, the third inductance element, and the The fourth inductance element and the capacitance element may be set to resonate with the frequency of the input power supply of the quick turn-on ballast.
  • the first inductance element, the second inductance element, the third inductance element and the fourth inductance element may have the same inductance capacity.
  • each of the two connection terminals provided on both ends of the LED lighting device to be coupled to the socket of the quick-lighting ballast ;
  • a first resistance element having one end connected to one connection terminal of one end of both ends of the LED lighting device;
  • a second resistance element having one end connected to the other connection terminal of the one end;
  • a third resistance element having one end connected to one connection terminal of the other end of both ends of the LED lighting device;
  • a fourth resistance element having one end connected to the other connection terminal of the other end;
  • a first inductance element having one end connected to a contact point of the other end of the first resistance element and the other end of the second resistance element;
  • a second inductance element having one end connected to a contact point of the other end of the third resistance element and the other end of the fourth resistance element;
  • a compensation circuit having a capacitance element connected in series between the other end of the first inductance element and the other end of the second inductance element;
  • an LED load circuit having
  • the capacitance of the first inductance element and the second inductance element may be set such that the quick turn on ballast, the first inductance element, the second inductance element, and the capacitance element resonate with a frequency of an input power supply of the quick turn on ballast. have.
  • the first inductance element and the second inductance element may be set to have the same inductance capacity.
  • the first resistive element, the second resistive element, the third resistive element and the fourth resistive element may be set to have the same capacitance.
  • a power factor correction type LED lighting device each of the two connection terminals provided on both ends of the LED lighting device to be coupled to the socket of the quick-lighting ballast;
  • a first resistance element having one end connected to one connection terminal of one end of both ends of the LED lighting device;
  • a second resistance element having one end connected to the other connection terminal of the one end;
  • a third resistance element having one end connected to one connection terminal of the other end of both ends of the LED lighting device;
  • a fourth resistance element having one end connected to the other connection terminal of the other end;
  • a compensation circuit in which an inductance element and a capacitance element are connected in series between a contact of the other end of the first resistance element and the other end of the second resistance element and the contact of the other end of the third resistance element and the other end of the fourth resistance element;
  • an LED load circuit having a rectifying circuit connected to both ends of the capacitance element to rectify AC current at both ends of the capacitance element into a DC current, and an LED module connected to both ends
  • first resistor element, the second resistor element, the third resistor element and the fourth resistor element may be set to have the same capacitance.
  • the power factor of the input terminal is close to 1 while the power factor of the input stage is stably applied by applying a compensation circuit. It has the effect of making it work.
  • FIG. 1 is a diagram illustrating an illumination system including an LED lighting device 100 and a quick lighting ballast 130 according to a first embodiment of the present invention including a compensation circuit 110 and an LED load circuit 120.
  • FIG. 2 shows a block diagram of an illumination system comprising an LED lighting device 100 and a fast-lighting ballast 130 according to a first embodiment of the present invention comprising a compensation circuit 110 and an LED load circuit 120.
  • FIG. 3 is a diagram illustrating a circuit diagram of the compensation circuit 110, the LED load circuit 120, and the quick-lighting ballast 130.
  • FIG. 4 is a diagram of the circuit shown in FIG. 3 as an equivalent circuit including an ideal single auto transformer.
  • FIG. 5 is a diagram illustrating an equivalent circuit in which the ideal single auto transformer is removed from the equivalent circuit shown in FIG. 4 and the impedance of the secondary side T2 is moved to the primary side T1.
  • FIG. 6 is a diagram illustrating an illumination system including an LED lighting device 600 according to a second embodiment of the present invention including a compensation circuit 610 and an LED load circuit 120.
  • FIG. 7 illustrates an illumination system including an LED lighting device 700 according to a third embodiment of the present invention including a compensation circuit 710 and an LED load circuit 120.
  • FIG. 8 is a diagram illustrating an illumination system including an LED lighting device 800 according to a fourth embodiment of the present invention including a compensation circuit 810 and an LED load circuit 820.
  • FIG. 9 is a diagram illustrating an illumination system including an LED lighting device 900 according to a fifth embodiment of the present invention including a compensation circuit 910 and an LED load circuit 920.
  • FIG. 1 is a diagram illustrating an illumination system including an LED lighting device 100 and a quick lighting ballast 130 according to a first embodiment of the present invention including a compensation circuit 110 and an LED load circuit 120.
  • FIG. 2 shows a block diagram of an illumination system comprising an LED lighting device 100 and a fast-lighting ballast 130 according to a first embodiment of the present invention comprising a compensation circuit 110 and an LED load circuit 120.
  • 3 is a diagram illustrating a circuit diagram of the compensation circuit 110, the LED load circuit 120, and the quick-lighting ballast 130.
  • the compensation circuit 110 is both ends of the LED lighting device 100 to be coupled to the sockets (132a, 132b) of the quick-lighting ballast 130 Respectively provided with connection terminals 112a and 112b, and an inductance element L1 and a capacitance between the connection terminal 112a of one end and the connection terminal 112b of the other end of both ends of the connection terminal 112a and 112b.
  • Device C1 has a series inductance-capacitance element 114 connected in series.
  • the LED load circuit 120 is connected to both ends of the capacitance element C1 to rectify the alternating current of both ends of the capacitance element into a direct current and a rectifier circuit 122 connected to both ends of the rectifier circuit to receive the DC current generated from the rectifier circuit 122.
  • the LED module 124 is driven and received.
  • a full bridge rectifier was used as the rectifier circuit 122 and an LED array connected in parallel to the full bridge rectifier was used as the LED module 124, but the present invention is not limited thereto.
  • a and b are the quick-lighting ballast 130 in FIG. 1 to which two connection terminals 112a of one end of the fluorescent lamp are coupled.
  • C and d represent the connection parts of the other end of the socket 132b of the quick-lighting ballast 130 to which the two connection terminals 112b of the other end of the fluorescent lamp are coupled.
  • the fast-lighting ballast 130 is a saturable reactor (inductance component of T 2 ) and a ballast capacitor (Cm) at the frequency of the input power supply when the load circuit (for example, a fluorescent lamp) is directly connected. ),
  • the large current is flowed to the fluorescent lamp to turn on the fluorescent lamp, and after the fluorescent lamp is turned on, the saturable reactor is saturated, and thus the inductance of the saturable reactor decreases and the saturation reactor and the ballast capacitor (Cm) Resonance does not occur. Therefore, since the voltage applied to the fluorescent lamp is greatly reduced, the current input to the fluorescent lamp is decreased, and the load current, which is the output of the fluorescent lamp, is kept constant while satisfying the power factor of the input terminal.
  • the compensation circuit 110 includes a series inductance-capacitance element between one connection a of the socket end 132a of the quick-lighting ballast 130 and one connection d of the other end of the socket 132b. 114 is connected.
  • the series inductance-capacitance element 114 includes a compensation inductor L1 used as an inductance element and a compensation capacitor C1 used as a capacitance element, and the LED load circuit 120 includes the amount of the compensation capacitor C1.
  • the terminals are connected in parallel.
  • the LED load circuit 120 may include a full bridge rectifier D1, D2, D3, and D4 constituting the rectifier circuit 122, an LED array constituting the LED module 124, and an output capacitor C 2 .
  • the output power required for the LED module 124 becomes approximately half of the fluorescent lamp at the same level of illumination. Then, the current flowing through the quick-lighting ballast 130 is also reduced, which results in the reduction of the capacitive current in the quick-lighting ballast 130 and thus the power input terminal of the quick-lighting ballast 130. The power factor of becomes lag. Therefore, a compensation circuit 110 is required to prevent the power factor of the power input terminal of the quick-lighting ballast 130 from being reduced and set the power factor to 1, and the compensation circuit 110 is connected to the LED load circuit 120. Install the compensation capacitor C 1 in parallel.
  • Compensation inductor L 1 may be added in series with capacitor C 1 to adjust the resonant frequency to match the frequency of the input power supply of the fast-lighting ballast 130.
  • the LED load circuit 120 may be configured in various forms, and instead of the output capacitor C 2 , an inductor (not shown) may be provided between the LED module 124 and the rectifier circuit 122 to reduce an output current change. In this case, the output current change may be reduced by combining values of the inductor (not shown) and the output capacitor C 2 . Alternatively, the output capacitor C 2 may be omitted to allow flickering noise that is twice the power frequency (120 Hz).
  • the half-bridge rectifier may be used as the rectifier circuit 122 instead of the full bridge rectifier, and in the rectifier circuit 122, LEDs may be used in series and in parallel. As such, various LED load circuits 120 may be used, and the type of load circuits that may be used as the LED load circuits 120 is not limited to those mentioned in the present embodiment.
  • LED Light Emitting Diode
  • OLED organic light emitting diode
  • AMOLED Active Matrix Organic Light Emitting
  • various light emitting devices such as diodes.
  • FIG. 4 is a diagram of the circuit shown in FIG. 3 as an equivalent circuit including an ideal single auto transformer.
  • n 1 and n 2 indicate the number of turns of the primary side T1 and the secondary side T2 coils, respectively, and the LED load circuit 120 may be equivalently modeled as R o .
  • the number of turns n 2 of the secondary side T2 coil is equivalently variable to reflect the characteristics of the saturable reactor at the secondary side T2.
  • FIG. 5 is a diagram illustrating an equivalent circuit in which the ideal single auto transformer is removed from the equivalent circuit shown in FIG. 4 and the impedance of the secondary side T2 is moved to the primary side T1.
  • L 2 is the sum of L lk and L 1
  • I m and I 1 represent the current flowing through the magnetizing inductance and the current flowing through the inductance L 2 , respectively.
  • V o denotes the output voltage
  • n denotes the turn ratio (n 1 + n 2 ) / n 1 of the primary side T1 and the secondary side T2 of the transformer.
  • inductance L 2 and equivalent impedances Z 1 and Z 2 may be represented by Equation 1.
  • the size of L 1 and C 1 is determined so that the power factor at the input power side is 1, which is 20 W as the output of a general home EL lamp (that is, the LED load circuit 120 connected to the fluorescent lamp terminal). It can be assumed and sized. At this time, the condition that the resonance frequency (f s ) of the power supply input terminal and the frequency of the input power supply can be expressed as Equation 2.
  • Equation 2 V s represents the voltage of the input power supply, V o represents the output voltage across the equivalent impedance Z 2 .
  • Equation 2 is composed of three independent equations, it can be selected by calculating the L 1 , C 1 , R o value that satisfies the three equations of Equation 2 at the same time.
  • the experiments are performed on the values calculated in Equation 2 in determining L 1 , C 1 , and R o because of the supersaturation characteristics of the secondary side T2 and the approximate characteristics of Equation 2 in the quick lighting ballast 130. Some correction is needed.
  • R o which is the load value of the LED load circuit 120
  • the input power factor is 1, and the frequency of the input power and the resonant frequency match so that the harmonics of the input current are minimized so that the values of the inductor L 1 and the capacitor C 1 of the compensation circuit 110 can be determined. have.
  • the R o value of the load value can be changed according to the connection form of the LED in the LED load circuit 120.
  • the equivalent R o may change.
  • the equivalent R o increases and parallels.
  • the equivalent R o decreases.
  • Equation 1 when the frequency of the input power supply is set to 50 Hz (f 2 ) instead of 60 Hz (f 1 ), the values of both the inductor and the capacitor of the quick lighting ballast 130 are It is usually set to be proportional to f 1 / f 2 times. Therefore, when both the value of the inductor and the capacitor used in the compensation circuit 110 set the frequency of the input power to twice f 1 / f 2 of the value in the case of 60Hz (f 1), the impedance Z1, Z2 of the formula (1) is The size does not change.
  • the leakage inductance L lk of the primary and secondary sides, the size of the capacitor Cm, and the capacitor C1 of the compensation circuit 110 are changed according to the change of the frequency f 2 of the input power source. If the size of the compensation inductor L1 is also set to f 1 / f 2 times, the impedances Z1 and Z2 may be frequency independent.
  • FIG. 6 is a diagram illustrating an illumination system including an LED lighting device 600 according to a second embodiment of the present invention including a compensation circuit 610 and an LED load circuit 120.
  • the compensation circuit 610 of FIG. 6 uses the compensation inductor L 1 of the compensation circuit 110 shown in FIG. 3 regardless of the polarity of the four coupling terminals of the sockets 132a and 132b of the quick lighting ballast 130.
  • the compensation circuit 110 includes two connection terminals 612a and 612b at both ends of the LED lighting device 600, respectively.
  • each inductor L 1a first inductance element
  • L 1b second inductance element
  • L 1c third inductance element
  • L 1d fourth inductance element
  • the inductor L 1a, L 1b, L 1c, respectively, of the current flowing in L 1d because it is half (I 1/2) of the current (I 1) flowing through the inductor L 1 of Figure 3, each inductor (L 1a , L 1b, L 1c, the sum of the power consumption in the power consumption of the L 1d) is L 1 (I 1/2) 2/2 then four inductors (L 1a, L 1b, L 1c, L 1d) is L 1 I 1 2/2 becomes equal to the power consumption since the compensation inductor (L 1 I 1 2/2 ) L 1 of the current I 1 flowing in the case of Fig.
  • the compensation inductor 110 is connected to each of the four coupling terminals of the sockets 132a and 132b of the fast-lighting ballast 130, the increase in power consumption does not occur, and the cost of connecting the compensation inductors to four. Only additionally, the compensation circuit 110 can be implemented without a significant increase in cost.
  • FIG. 7 illustrates an illumination system including an LED lighting device 700 according to a third embodiment of the present invention including a compensation circuit 710 and an LED load circuit 120.
  • the voltages of the two terminals a and b of the socket one end 132a of the quick-lighting ballast 130 are referred to as Va and Vb, and the other end of the socket 132b of the quick-lighting ballast 130 is shown in FIG. 3.
  • the voltages of the two terminals c and d are Vc and Vd
  • the voltage difference between a and b and the voltage difference between c and d are 220 V.
  • Case has a predetermined voltage difference (typically about 4 Vrms). That is,
  • the voltage rating is 220V based on the point of (V a > V b > V c > V d ) and
  • V a -V d where the input voltage is lower than 220V
  • V b -V c where it is higher than 220V
  • the switch may include a first switch 716a for connecting one end of the series inductance capacitance element and a connection terminal 712a of one end of the connection terminals provided at both ends of the LED lighting device 100, and the other of the series inductance capacitance element.
  • a second switch 716b for connecting the connection terminal 712b of the other end among the connection terminals of both ends of the stage and the LED lighting device 100 may be included.
  • FIG. 8 is a diagram illustrating an illumination system including an LED lighting device 800 according to a fourth embodiment of the present invention including a compensation circuit 810 and an LED load circuit 820.
  • FIG. 8 shows a 2-light lighting system, and does not show the actual connection relationship between the compensation circuit 810 and the LED load circuit 820.
  • the compensation circuit 810 and the LED load circuit 820 is connected to the two-illumination lighting system (822, 824) is a view for explaining the principle to analyze the operating characteristics of the lighting system.
  • one conventional fluorescent lamp uses the compensation circuit 110 and the LED load circuit 120, and this is a rapid lighting ballast of the conventional two-lamp fluorescent lighting system (830).
  • the LED lighting apparatus 800 is inserted into two positions of fluorescent lamps connected to the same method.
  • the LED lighting device 800 having the same parameter value as that applied to the first-class lighting system is applied to the second-class lighting system as it is. It may not show the operating characteristics.
  • the output power and input power factor characteristics are similar, and if better characteristics are required, the capacity of the compensating inductor and the compensating capacitor is adapted to the second lighting system using Equations 1 to 2. You can design
  • the same design principle applies to a three-light system and a four-light system, and the present invention is not limited to the number of fluorescent lamps that can be inserted into the lighting system.
  • FIG. 9 is a diagram illustrating an illumination system including an LED lighting device 900 according to a fifth embodiment of the present invention including a compensation circuit 910 and an LED load circuit 920.
  • the compensation circuit 910 may be coupled to both ends of the LED lighting apparatus 900 so that the compensation circuit 910 may be coupled to the sockets 932a and 932b of the quick-lighting ballast 930.
  • connection terminals 912a and 912b provided with the first resistance element (a ', b') connected to the connection terminal 912a of one end of both ends of the connection terminals 912a and 912b, respectively,
  • One end of R b1 ) and one end of second resistance element R b2 are connected, the other end of first resistance element R b1 and the other end of second resistance element R b2 are connected to each other, and
  • the contact point of the other end of the first resistance element R b1 and the other end of the second resistance element R b2 is connected to one end of the first inductance element L c1 .
  • one end of the third resistance element R b3 and the fourth resistance element are respectively provided at two connection points c 'and d' connected to the connection terminal 912b of the other end among the both ends of the connection terminals 912a and 912b.
  • One end of R b4 is connected, the other end of the third resistance element R b3 and the other end of the fourth resistance element R b4 are connected to each other, and the other end of the third resistance element R b3 is The contact of the other end of the fourth resistance element R b4 is connected to one end of the second inductance element L c2 .
  • Both ends of the capacitance element Cc are connected between the other end of the first inductance element L c1 and the other end of the second inductance element L c2 , respectively.
  • connection points a 'and b' are connected to the output terminals a and b of the quick-lighting ballast 930, respectively, and the connection points c 'and d' are respectively connected to the output terminals c and d of the quick-lighting ballast 930. do.
  • Each of the resistors R b1 , R b2 , R b3 , and R b4 may have the same value.
  • Inductance elements L c1 and L c2 may also have the same value.
  • the LED load circuit 920 is connected to both ends of the capacitance element Cc to rectify the alternating current of both ends of the capacitance element into a direct current and a rectifier circuit 122 connected to both ends of the rectifier circuit to receive the DC current generated from the rectifier circuit 922.
  • An LED module 924 is received and driven.
  • a full bridge rectifier is used as the rectifier circuit 922 and an LED array connected in parallel to the full bridge rectifier is used as the LED module 924, but the rectifier circuit and the LED module in the present invention are not limited thereto.
  • a and b are the quick-lighting ballast 130 in FIG. 1 in which two connection terminals 912a of one end of the fluorescent lamp are coupled.
  • C and d represent the connection parts of the other end of the socket 132b of the quick-lighting ballast 130 to which the two connection terminals 112b of the other end of the fluorescent lamp are coupled.
  • the LED load circuit 920 may include a full bridge rectifier D1, D2, D3, and D4 constituting the rectifier circuit 922, an LED array constituting the LED module 924, and an output capacitor C o .
  • a compensation circuit 910 is used to prevent the power factor of the power input terminal of the quick-lighting ballast 930 from decreasing and to set the power factor to 1, and the compensation circuit 910 uses the LED load circuit.
  • the compensation capacitor Cc is provided in the compensation circuit 910 in order to set the power factor of the power input terminal of the fast-lighting ballast 930 to 1, the resonant frequency at the power input terminal is changed, so that the compensation capacitor is not changed.
  • Compensation inductance elements L c1 and L c2 may be added in series at both ends of C c to adjust the resonance frequency to match the frequency of the input power supply of the quick lighting ballast 130.
  • the inductance element reduces the sum of the power consumption of the (L c1, L c2), and each resistor element (R b1, R b2, R b3, R b4)
  • Power consumption is increased by some, but by using only two inductance elements, the size and cost of the compensation circuit 910 can be minimized compared to the case of using four. Therefore, even if the compensation inductor is connected to the four coupling terminals of the sockets 132a and 132b of the fast-lighting ballast 930, the increase in power consumption does not occur much, and the compensation inductor is connected to two. Since only the additional cost is generated, a small compensation circuit 910 can be implemented while reducing the cost.
  • one of the first inductance element L c1 and the second inductance element L c2 may be omitted.
  • one of the first inductance element L c1 and the second inductance element L c2 is omitted, so that the contact of the other end of the first resistance element R b1 and the other end of the second resistance element R b2
  • the compensating capacitance element C c and the non-omitted inductance element L c1 or L c2 are connected in series between the other end of the third resistance element R b3 and the contact of the other end of the fourth resistance element R b4 . do.
  • the present invention provides stable light output while the power factor of the input terminal is close to 1 by applying a compensation circuit when installing a light emitting device such as an LED to replace a fluorescent lamp at the rear end of a pre-equipped quick-lighting ballast.
  • the invention is useful because it is effective.

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Abstract

La présente invention se rapporte, selon un mode de réalisation, à un appareil d'éclairage à diodes électroluminescentes de type à compensation de facteur de puissance qui est un appareil d'éclairage à diodes électroluminescentes comprenant : un circuit de compensation comprenant une borne de connexion agencée au niveau de ses deux parties d'extrémité pour être couplée à une douille d'un stabilisateur de type à starter rapide, et un élément d'inductance-de capacité en série raccordé en série à un élément d'inductance et à un élément de capacité qui doivent être raccordés entre la borne de connexion d'une partie d'extrémité et la borne de connexion de l'autre partie d'extrémité parmi les deux parties d'extrémité ; et un circuit de charge de diode électroluminescente comprenant un circuit de redressement raccordé aux deux extrémités de l'élément de capacité afin de redresser le courant alternatif des deux extrémités de l'élément de capacité en courant continu, et un module de diode électroluminescente raccordé aux deux extrémités du circuit de redressement afin d'être commandé par le courant continu reçu.
PCT/KR2011/007546 2010-10-13 2011-10-11 Appareil d'éclairage à diodes électroluminescentes de type à compensation de facteur de puissance Ceased WO2012050348A2 (fr)

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JP2013533765A JP5680761B2 (ja) 2010-10-13 2011-10-11 力率補償型エルイーディー照明装置

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9055636B2 (en) 2012-09-24 2015-06-09 Samsung Electronics Co., Ltd. Light source driving device and illuminating apparatus using the same
JP2015519695A (ja) * 2012-05-03 2015-07-09 コーニンクレッカ フィリップス エヌ ヴェ 蛍光灯安定器とｌｅｄとの間の変換回路
US9439250B2 (en) 2012-09-24 2016-09-06 Samsung Electronics Co., Ltd. Driving light emitting diode (LED) lamps using power received from ballast stabilizers

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DE19929995B4 (de) * 1999-06-30 2004-06-03 Skw Trostberg Ag Verwendung von Kreatin und/oder Kreatin-Derivaten zur Behandlung von Befindlichkeitsstörungen bei Frauen
WO2005086619A2 (fr) * 2003-10-08 2005-09-22 The Mclean Hospital Corporation Methodes de traitement de troubles psychiatriques, de troubles lies a l'abus d'alcool et de drogues ainsi que d'autres troubles au moyen de combinaisons contenant des acides gras omega 3
US20050143350A1 (en) * 2003-11-19 2005-06-30 Seed John C. Combination drug therapy to treat obesity

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015519695A (ja) * 2012-05-03 2015-07-09 コーニンクレッカ フィリップス エヌ ヴェ 蛍光灯安定器とｌｅｄとの間の変換回路
US9055636B2 (en) 2012-09-24 2015-06-09 Samsung Electronics Co., Ltd. Light source driving device and illuminating apparatus using the same
US9439250B2 (en) 2012-09-24 2016-09-06 Samsung Electronics Co., Ltd. Driving light emitting diode (LED) lamps using power received from ballast stabilizers

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