WO2019225917A1 - Stabilisateur de lampe à del compatible avec un ballast de lampe fluorescente et son procédé de fonctionnement - Google Patents

Stabilisateur de lampe à del compatible avec un ballast de lampe fluorescente et son procédé de fonctionnement Download PDF

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Publication number
WO2019225917A1
WO2019225917A1 PCT/KR2019/005972 KR2019005972W WO2019225917A1 WO 2019225917 A1 WO2019225917 A1 WO 2019225917A1 KR 2019005972 W KR2019005972 W KR 2019005972W WO 2019225917 A1 WO2019225917 A1 WO 2019225917A1
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WO
WIPO (PCT)
Prior art keywords
voltage
load circuit
low voltage
circuit
operating load
Prior art date
Application number
PCT/KR2019/005972
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English (en)
Korean (ko)
Inventor
임창욱
전표현
Original Assignee
Lim Chang Ouk
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
Application filed by Lim Chang Ouk filed Critical Lim Chang Ouk
Publication of WO2019225917A1 publication Critical patent/WO2019225917A1/fr

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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
    • H05B45/357—Driver circuits specially adapted for retrofit LED light sources
    • H05B45/3578—Emulating the electrical or functional characteristics of discharge lamps
    • 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]
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/295—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • 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
    • 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]
    • H05B45/40—Details of LED load circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits

Definitions

  • the present invention relates to a device for stabilizing a fluorescent lamp safety device compatible LED lamp and a method of performing the same.
  • Fluorescent lamps are mainly driven by electronic ballasts by converting commercial AC power into several tens of kHz.
  • the LED must be driven by a direct current power source, has a long life, low power consumption, fast response speed and strong impact resistance compared to other lighting devices, there is an advantage that small and light weight is possible.
  • the LED since the LED is turned on in a different way from the fluorescent lamp, the conventional LED lamp cannot be used as it is in the fluorescent lamp system.
  • the fluorescent lamp system receives a commercial AC power source, rectifies it, and compensates the power factor to convert the DC power source.
  • the DC power is then converted to AC power of several tens of kHz by a resonant inverter and applied to the fluorescent lamp.
  • the discharge voltage before discharge is about 600V and the operating voltage after discharge is about 150-200V, which is not standardized because the characteristics of fluorescent lamps and ballasts vary depending on the manufacturer or the operating method.
  • Both ends of the fluorescent lamp are electrically open before the fluorescent lamp is turned on.
  • the fluorescent lamp control unit When the fluorescent lamp control unit is turned on, a gradually higher voltage is applied across the fluorescent lamp.
  • the amplitude of the voltage across the fluorescent lamp increases gradually because the voltage gain of the resonant inverter is very large.
  • the voltage across the fluorescent lamp becomes greater than a predetermined voltage, a discharge occurs between the electrodes of the fluorescent lamp, the voltage across the fluorescent lamp drops and the fluorescent lamp starts to light.
  • both ends of the fluorescent lamp have a resistance value of several hundred ohms in an open state in which the resistance value is infinite, and the fluorescent lamp emits light.
  • the LED when the LED is connected to a fluorescent ballast for use, the lighting does not turn on or takes a long time, or the LED turns off after lighting. This is because, as described above, the specifications or characteristics of the ballast has a structure and operation method that is individualized by the manufacturer.
  • ballasts of fluorescent materials containing fluorescent materials and mercury are widely distributed by the diffusion of LED bulbs.
  • An object of the present invention is to provide a stabilization device for an LED lamp and a method of implementing the same.
  • the present invention can be applied to the corresponding lamp only a constant current using a constant current control element, it is suitable to apply to the FPL compatible lamps with a small space and stabilize the fluorescent lamp safety device compatible LED lamps to reduce the cost It is an object to provide a device and a method of performing the same.
  • the stabilization device of the fluorescent lamp safety device compatible LED lamp changes the state of the switch by comparing the voltage and the predetermined voltage obtained at the junction of the plurality of resistors, and controls the flow of current in accordance with the state of the switch
  • the low voltage working load circuit may include a plurality of capacitors configured to receive and output a voltage applied to each input element, a bridge rectifier configured to output a rectified voltage by rectifying the voltage provided through the capacitor, and the bridge rectifier.
  • a switch for controlling the flow of current by opening and closing an anode and a cathode is compared with a voltage obtained at a junction of the plurality of resistors and a predetermined voltage, and providing an on setting signal or an off setting signal to the switch according to the comparison result.
  • a control unit for controlling the state of the switch.
  • the delay circuit compares the voltage obtained in the control unit located between the plurality of resistors and the voltage obtained in the control unit of the low voltage operating load circuit, and controls the LED driver circuit according to the comparison result. do.
  • the delay circuit provides an off setting signal to the LED driver circuit if the voltage obtained in the control unit located between the plurality of resistors is less than or equal to the voltage obtained in the control unit of the low voltage operating load circuit.
  • the LED driver circuit is set to the standby mode, and if the voltage obtained at the control unit located between the plurality of resistors is equal to or higher than the voltage obtained at the control unit of the low voltage operating load circuit, an ON setting signal is provided to provide the LED driver circuit. Operate normally.
  • the compatible lamp is formed by sealing a plurality of LEDs or formed by sealing a constant current control element and a plurality of LEDs.
  • the step of changing the state of the switch by comparing the predetermined voltage with the voltage obtained at the junction of the plurality of resistors, wherein the low voltage operating load circuit is a voltage obtained at the junction of the plurality of resistors Outputting an on set signal when the voltage is less than the predetermined voltage, changing the switch to the on state, and outputting an off set signal when the voltage obtained at the junction of the plurality of resistors is greater than or equal to the predetermined voltage by the low voltage operating load circuit. Changing the switch to an off state.
  • the step of opening and closing the circuit between the anode and the cathode of the bridge rectifier of the low voltage operating load circuit according to the state of the switch, when the switch is turned on, closes the anode and cathode of the bridge rectifier Allowing current to flow and when the switch is turned off, opening the anode and cathode of the bridge rectifier so that no current flows.
  • controlling the operation of the LED driver circuit according to the comparison result is turned off when the voltage obtained in the control unit in which the delay circuit is located between a plurality of resistors is below a predetermined voltage in the low voltage working load circuit.
  • Providing a set signal to the LED driver circuit to set the LED driver circuit to the standby mode and the voltage obtained at the control unit where the delay circuit is located between a plurality of resistors is greater than or equal to a predetermined voltage to the low voltage working load circuit.
  • the stabilization method of the fluorescent lamp safety device compatible LED lamp is a low voltage working load circuit to change the state of the switch by comparing the predetermined voltage and the voltage obtained at the junction of a plurality of resistors, the state of the switch According to which the circuit between the anode and the cathode of the bridge rectifier of the low voltage operating load circuit is opened and closed, the voltage obtained from the control unit in which the delay circuit is located between the plurality of resistors and the predetermined voltage to the low voltage operating load circuit are compared and And controlling the operation of the LED driver circuit according to the comparison result and operating the compatible LED using the output voltage of the low voltage operating load circuit.
  • the output of various fluorescent ballasts can be designed through a low voltage operating load circuit, a stable voltage can be supplied, so that a compatible lamp can be operated using a component that flows only a constant current. There is an advantage.
  • FIG. 1 is a circuit diagram illustrating an internal structure of a stabilization device of a ballast compatible LED lamp according to an embodiment of the present invention.
  • FIG. 2 is a circuit diagram illustrating an example of the compatible lamp of FIG. 1.
  • FIG. 3 is a circuit diagram illustrating another embodiment of the compatible lamp of FIG. 1.
  • FIG. 4 is a flowchart illustrating an operation process of the stabilization device of the ballast compatible LED lamp according to the present invention.
  • FIG. 1 is a circuit diagram illustrating an internal structure of a stabilization device of a ballast compatible LED lamp according to an embodiment of the present invention.
  • a stabilization apparatus of a ballast compatible LED lamp includes a low voltage working load circuit 100, a delay circuit 200, an LED driver circuit 300, and a compatible lamp 400.
  • the voltage applied to each of the input elements IN3 and IN4 of the low voltage operating load circuit 100 is provided to the bridge rectifiers D7 to D10 through the first capacitor C3 and the second capacitor C4, and the bridge rectifier ( The current flows to the voltage rectified by D7 to D10).
  • control unit U3 of the low voltage operating load circuit 100 compares the voltage obtained at the junction of the first resistor R5 and the second resistor R6 with a predetermined voltage and turns on the set signal according to the comparison result. Or outputs an off setting signal.
  • control unit U3 of the low voltage operating load circuit 100 outputs an on-setting signal when the voltage obtained at the junction of the first resistor R5 and the second resistor R6 is equal to or less than a predetermined voltage. Turn switch Q2 ON.
  • control unit U3 of the low voltage operating load circuit 100 outputs an off setting signal when the voltage obtained at the junction of the first resistor R5 and the second resistor R6 is greater than or equal to a predetermined voltage. Switch Q2 to the OFF state.
  • the voltage output through each of the output elements S3 and S4 of the low voltage operating load circuit 100 is stabilized to a normal voltage because no current flows.
  • the delay circuit 200 causes the LED driver 400 to operate when the voltage of the low voltage operating load circuit 100 reaches a specific voltage and stabilizes, thereby causing the low voltage operating load circuit 100 to operate for a short time to reach a ballast. Play a role.
  • the delay circuit 200 is set in the control unit U3 of the voltage and low voltage operating load circuit 100 obtained in the control unit U2 positioned between the first resistor R1 and the second resistor R2.
  • the LED driver circuit 300 is operated in the standby mode or normally according to the result of the voltage comparison.
  • the delay circuit 200 is a control unit (U3) of the low voltage operating load circuit 100 is a voltage obtained from the control unit (U2) located between the first resistor (R1) and the second resistor (R2).
  • the off setting signal is provided to the control unit U1 of the LED driver circuit 300.
  • control unit U1 of the LED driver circuit 300 is changed to the off state according to the off setting signal to be in the standby mode.
  • the delay circuit 200 is a control unit of the low voltage operating load circuit 100, the voltage obtained from the control unit (U2) located between the first resistor (R1) and the second resistor (R2) ( When the voltage is higher than the voltage set in U3), the on setting signal is provided to the control unit U1 of the LED driver circuit 300.
  • control unit U1 of the LED driver circuit 300 is changed to the ON state according to the ON setting signal to switch to the operation mode to perform normal operation of the driver.
  • the delay circuit 200 is the LED driver circuit 300 before the voltage obtained from the control unit (U2) located between the first resistor (R1) and the second resistor (R2) reaches a specific voltage. This is because when the low voltage working load circuit 100 operates, the output of the stabilizer-compatible LED lamp stabilizer stays at a low voltage without reaching the normal voltage.
  • the output of the stabilizer-compatible LED lamp stabilization device does not reach the normal voltage but stays at a low voltage to consume excessive power at the output of the LED driver circuit 300 can shorten the life of the LED lamp.
  • the low voltage operating load circuit 100 when the voltage of the low voltage operating load circuit 100 stabilizes when the voltage of the low voltage operating load circuit 100 reaches a specific voltage, the low voltage operating load circuit 100 operates for a short time by operating the LED driver 400. It serves to reach the ballast.
  • the compatible lamp 400 operates using the output voltage of the low voltage operating load circuit 100.
  • the compatible lamp 400 may be formed by sealing a plurality of LEDs or may be formed by sealing a constant current control device (for example, a constant current control device) and a plurality of LEDs.
  • a constant current control device for example, a constant current control device
  • the compatible lamp 400 may be operated using a plurality of LEDs for supplying current and the output voltage of the low voltage operating load circuit 100 when a plurality of LEDs are formed by sealing.
  • the compatible lamp 400 is a low voltage operating load circuit 100 through the constant current control element, if the constant current control element (eg, constant current control element element) and a plurality of LEDs are formed by sealing
  • the output voltage of can be operated stably by allowing only a simple current to be applied to the lamp.
  • the bridge rectifier D7 when the voltage obtained at the junction of the first resistor R5 and the second resistor R6 is greater than or equal to the predetermined voltage in the control unit U3.
  • D10 to open the anode and the cathode so that no current flows to stabilize the output voltage, and if the voltage obtained at the junction of the first resistor R5 and the second resistor R6 is less than or equal to the predetermined voltage, the bridge rectifier Since the anode and the cathode of the (D7 to D10) is closed to allow a current to flow to stabilize the output voltage, a constant current flows to the compatible lamp 400 to be automated.
  • FIG. 2 is a circuit diagram illustrating an example of the compatible lamp of FIG. 1.
  • the compatible lamp 400 is formed by sealing a plurality of LEDs 410, 420, and 430.
  • a plurality of LEDs 410, 420, and 430 are illustrated as three, but may be implemented with a greater number of LEDs.
  • the plurality of LEDs 410, 420, and 430 operate by using different currents (for example, 20 mA, 30 mA, and 50 mA), in order to adjust the watts of the compatible lamp 400, different currents are applied according to the watts.
  • a plurality of LEDs 410, 420, and 430 to be used can be connected in parallel.
  • the compatible lamp 400 operates using the output voltage of the low voltage operating load circuit 100.
  • the compatible lamp 400 When the compatible lamp 400 is formed by sealing a plurality of LEDs as shown in FIG. 2, the compatible lamp 400 may operate using a plurality of LEDs supplying current and output voltages of the low voltage operating load circuit 100.
  • the bridge rectifier D7 when the voltage obtained at the junction of the first resistor R5 and the second resistor R6 is greater than or equal to the predetermined voltage in the control unit U3.
  • D10 to allow the anode and the cathode to be opened so that no current flows to stabilize the output voltage.
  • the anode and cathode of the bridge rectifiers D7 to D10 are closed to allow the current to flow to output the output voltage. Because it stabilizes the compatible lamp 400, a constant current flows to be able to automate.
  • FIG. 3 is a circuit diagram illustrating another embodiment of the compatible lamp of FIG. 1.
  • the compatible lamp 400 includes a plurality of LEDs 410, 420, and 430 and a constant current control element 440.
  • a plurality of LEDs 410, 420, and 430 are illustrated as three, but may be implemented with a greater number of LEDs.
  • the plurality of LEDs 410, 420, and 430 operate by using different currents (for example, 20 mA, 30 mA, and 50 mA), in order to adjust the watts of the compatible lamp 400, different currents are applied according to the watts.
  • a plurality of LEDs 410, 420, and 430 to be used may be connected in parallel.
  • the constant current control device 440 may be implemented as a constant current control device device, and the current flows to the compatible lamp 400 constantly.
  • the compatible lamp 400 outputs the low voltage operating load circuit 100 through the constant current control element when the constant current control element (for example, the constant current control element) and a plurality of LEDs are formed by sealing.
  • the voltage can be operated stably by allowing only a simple current to be applied to the lamp.
  • the bridge rectifier D7 when the voltage obtained at the junction of the first resistor R5 and the second resistor R6 is greater than or equal to the predetermined voltage in the control unit U3.
  • D10 to allow the anode and the cathode to be opened so that no current flows to stabilize the output voltage.
  • the anode and cathode of the bridge rectifiers D7 to D10 are closed to allow the current to flow to output the output voltage. Because it stabilizes the compatible lamp 400, a constant current flows to be able to automate.
  • FIG. 4 is a flowchart illustrating an operation process of the stabilization device of the ballast compatible LED lamp according to the present invention.
  • the low voltage operating load circuit changes the state of the switch by comparing the voltage obtained at the junction of the plurality of resistors with a predetermined voltage (step S410).
  • the low voltage operating load circuit outputs an on set signal and changes the switch to the on state when the voltage obtained at the junction of the number of resistors is less than or equal to the predetermined voltage.
  • step S410 when the voltage obtained at the junction of the plurality of resistors is greater than or equal to the predetermined voltage, the low voltage operating load circuit outputs an off setting signal to change the switch to the off state.
  • the circuit between the anode and the cathode of the bridge rectifier of the low voltage operating load circuit is opened and closed according to the state of the switch (step S420).
  • the low voltage operating load circuit closes the anode and cathode of the bridge rectifier to allow current to flow when the switch is on.
  • the low voltage operating load circuit opens the gap between the anode and cathode of the bridge rectifier so that no current flows when the switch is off.
  • the delay circuit compares the voltage obtained in the control unit located between the plurality of resistors with a predetermined voltage in the low voltage operating load circuit (step S430).
  • the delay circuit controls the operation of the LED driver circuit in accordance with the comparison result (step S440).
  • the delay circuit provides an off setting signal to the LED driver circuit when the voltage obtained in the control unit located between the plurality of resistors is below a predetermined voltage in the low voltage operating load circuit to provide the LED. Set the driver circuit to standby mode.
  • the delay circuit provides an on set signal to the LED driver circuit when the voltage obtained in the control unit located between the plurality of resistors is equal to or greater than a predetermined voltage in the low voltage operating load circuit. Set the LED driver circuit to the operating mode.
  • the compatible LED operates using the output voltage of the low voltage working load circuit (step S450).

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

Un stabilisateur de lampe à DEL compatible avec un ballast de lampe fluorescente comprend : un circuit de charge de fonctionnement à basse tension qui change l'état d'un commutateur par comparaison d'une tension acquise à partir d'une jonction d'une pluralité de résistances avec une tension prédéterminée, et, en fonction de l'état du commutateur, commande l'écoulement d'un courant de manière à stabiliser une tension de sortie ; un circuit à retard qui actionne un pilote de DEL selon que la tension du circuit de charge de fonctionnement à basse tension est une tension spécifique ; et une lampe compatible qui fonctionne à l'aide d'un courant de sortie du circuit de charge de fonctionnement à basse tension.
PCT/KR2019/005972 2018-05-21 2019-05-20 Stabilisateur de lampe à del compatible avec un ballast de lampe fluorescente et son procédé de fonctionnement WO2019225917A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180057577A KR102075559B1 (ko) 2018-05-21 2018-05-21 형광등 안전기 호환형 led 램프의 안정화 장치 및 이의 실행 방법
KR10-2018-0057577 2018-05-21

Publications (1)

Publication Number Publication Date
WO2019225917A1 true WO2019225917A1 (fr) 2019-11-28

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PCT/KR2019/005972 WO2019225917A1 (fr) 2018-05-21 2019-05-20 Stabilisateur de lampe à del compatible avec un ballast de lampe fluorescente et son procédé de fonctionnement

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KR (1) KR102075559B1 (fr)
WO (1) WO2019225917A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102391353B1 (ko) * 2020-11-20 2022-04-28 한국전자통신연구원 진상 전류 소자를 갖는 led 구동 장치 및 이를 포함하는 led 장치
KR102349886B1 (ko) 2020-11-20 2022-01-11 한국전자통신연구원 직류 과전압이 방지된 led 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140081569A (ko) * 2012-12-21 2014-07-01 삼성전기주식회사 Led 구동 장치 및 이를 포함하는 전원 공급 장치
KR101470074B1 (ko) * 2011-09-17 2014-12-10 이상범 엘이디 절전 조명등.
KR101547117B1 (ko) * 2015-01-16 2015-08-25 기민전자주식회사 다종류 형광등 안정기 호환형 led 형광등
KR20150142970A (ko) * 2014-06-13 2015-12-23 황정하 엘이디램프 및 엘이디램프 운영방법
KR20180015999A (ko) * 2016-08-05 2018-02-14 유아이티전자주식회사 호환형 엘이디 램프 제어 회로 및 이를 포함하는 엘이디 램프 등기구

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101470074B1 (ko) * 2011-09-17 2014-12-10 이상범 엘이디 절전 조명등.
KR20140081569A (ko) * 2012-12-21 2014-07-01 삼성전기주식회사 Led 구동 장치 및 이를 포함하는 전원 공급 장치
KR20150142970A (ko) * 2014-06-13 2015-12-23 황정하 엘이디램프 및 엘이디램프 운영방법
KR101547117B1 (ko) * 2015-01-16 2015-08-25 기민전자주식회사 다종류 형광등 안정기 호환형 led 형광등
KR20180015999A (ko) * 2016-08-05 2018-02-14 유아이티전자주식회사 호환형 엘이디 램프 제어 회로 및 이를 포함하는 엘이디 램프 등기구

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KR20190132721A (ko) 2019-11-29
KR102075559B1 (ko) 2020-02-10

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