WO2007062556A1 - Dispositif de ballast permettant d'economiser l'energie et de reguler une tension - Google Patents

Dispositif de ballast permettant d'economiser l'energie et de reguler une tension Download PDF

Info

Publication number
WO2007062556A1
WO2007062556A1 PCT/CN2006/001170 CN2006001170W WO2007062556A1 WO 2007062556 A1 WO2007062556 A1 WO 2007062556A1 CN 2006001170 W CN2006001170 W CN 2006001170W WO 2007062556 A1 WO2007062556 A1 WO 2007062556A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit
power
ballast device
saving
abnormal state
Prior art date
Application number
PCT/CN2006/001170
Other languages
English (en)
Chinese (zh)
Inventor
Junzhong Peng
Original Assignee
Junzhong Peng
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 CNU2006200589801U external-priority patent/CN2907170Y/zh
Application filed by Junzhong Peng filed Critical Junzhong Peng
Publication of WO2007062556A1 publication Critical patent/WO2007062556A1/fr

Links

Classifications

    • 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

Definitions

  • the present invention generally relates to a power-saving and voltage-stabilizing ballast device, and more particularly to a power-saving ballast ballast device for use in a fluorescent lamp.
  • BACKGROUND OF THE INVENTION In the current lighting fixture industry, the conventional universal ballast is composed of electrical components such as a power capacitor, a normally closed thermal switch, and a thermal resistance coil. The ballast has strong vibration noise and temperature. Lit, and there is light flashing. When the power is turned on, the lamp cannot be quickly lit. At the same time, due to the unstable mains voltage, the ballast and the lamp are easy to burn out, causing loss to the user.
  • the new ballast has been improved in some parts.
  • the circuit includes bridge rectifier circuit, electrolytic capacitor filter circuit, half bridge inverter circuit and LC output circuit. It can reduce vibration noise and control temperature rise, and quickly start lighting. Other aspects have been improved, but there are still quite a few problems, such as the protection of abnormal state.
  • the common abnormal state is divided into the following cases: One of the lamps or one of the lamps is not connected; the fluorescent lamp cannot be activated due to a cathode damage; although the cathode is intact, the lamp cannot be activated; the fluorescent lamp works, but the cathode An inactive or rectifying effect; a short circuit of the starter switch, etc.; usually an electronic ballast is used with a fluorescent tube (such as a T5, T8 straight tube or other shaped fluorescent tube), if an abnormal condition occurs during use, Will cause ballast damage.
  • a fluorescent tube such as a T5, T8 straight tube or other shaped fluorescent tube
  • the object of the present invention is to provide a power-saving and voltage-stabilizing ballast device, which can resist the occurrence of grid voltage Instantaneous spike or strong lightning interference, effectively suppress surge current, improve line power factor, reduce harmonics, achieve constant power output, have abnormal protection function, suppress high frequency current harmonics to grid pollution, multi-load output, delay When starting up, extending the working life of the luminaire, using this kind of power-saving and voltage-stabilizing ballast device is enough to solve the problems in the prior art.
  • a power-saving and voltage-stabilizing ballast device comprises a bridge rectifier circuit, an electrolytic capacitor filter circuit, a half-bridge inverter circuit and an LC output circuit, which are sequentially electrically connected, wherein the power-saving and voltage-stabilizing ballast device further comprises An electromagnetic compatibility filter EMC circuit for suppressing high-frequency current harmonics from polluting the power grid, an active power factor correction circuit for improving power factor, reducing harmonics, and realizing constant power output, to prevent abnormal state from being ballasted
  • the device generates a damage abnormal state protection circuit, the electromagnetic compatibility filter EMC circuit is connected between the voltage input end and the bridge rectifier circuit, and the active power factor correction circuit is connected to the bridge rectifier circuit and the electrolytic capacitor filter circuit
  • the abnormal state protection circuit is disposed in the half bridge inverter circuit.
  • the electromagnetic compatibility filter EMC circuit further includes an overvoltage protection circuit for preventing damage to the ballast device and related circuits by instantaneous spike or super high voltage interference, and the overvoltage protection circuit includes a zinc oxide pressure sensitive component.
  • the abnormal state protection circuit further includes an overcurrent protection circuit for suppressing a surge current, wherein the overcurrent protection circuit is a series current limiting resistor in the input circuit.
  • the abnormal state protection circuit further includes an overcurrent protection circuit for suppressing a surge current, wherein the overcurrent protection circuit is a series negative temperature coefficient NTC resistor in the input circuit.
  • the LC output circuit further includes a start preheating circuit for supplying a cathode of the fluorescent lamp to the preheating current and the warm-up time before the system voltage reaches the rated value, thereby avoiding the glow discharge and causing the cathode to be damaged.
  • the preheating circuit heats the filament of the fluorescent lamp to a lighting temperature by the heat sensitive element.
  • the LC output circuit further includes a multi-load working circuit for simultaneously dragging two or more fluorescent lamps.
  • the active power factor correction circuit uses an APFC circuit.
  • the abnormal state protection circuit is a circuit that uses a transistor to detect the magnitude of the current to control the operation of the inverter circuit.
  • the multi-load working circuit uses an LC multi-lamp series resonant circuit.
  • the multi-load working circuit uses a current push-pull multi-lamp output circuit.
  • the invention provides a power-saving and voltage-stabilizing ballast device design scheme, and the electromagnetic compatibility filter EMC circuit can suppress the high-frequency current harmonics from polluting the power grid; setting the active power factor correction circuit can improve the power factor, reduce the harmonics, and realize Constant power output; setting abnormal state protection circuit can prevent abnormal state from causing damage to ballast device; setting overvoltage protection circuit can prevent instantaneous spike or ultra high voltage interference from damage to ballast device and related circuits; setting overcurrent protection circuit It can suppress the inrush current; setting the start preheating circuit can avoid the glow discharge and cause the cathode to be damaged, thus prolonging the working life of the lamp; setting the multi-load working circuit can simultaneously drive two or more fluorescent lamps to work.
  • FIG. 1 is a schematic diagram of a prior art circuit
  • FIG. 2 is a schematic diagram of a circuit used in the present invention.
  • FIG. 3 is a schematic diagram of an EMC circuit process of the electromagnetic compatibility filter of the present invention.
  • FIG. 4 is a schematic diagram of an active power factor correction APFC circuit of the present invention.
  • FIG. 5 is a schematic diagram of a prior art power factor correction PPFC circuit
  • FIG. 6 is a schematic diagram of an abnormal state protection circuit of the present invention.
  • FIG. 7 is a schematic diagram of an overvoltage protection circuit of the present invention.
  • FIG. 8 is a schematic diagram of an overcurrent protection circuit of the present invention.
  • FIG. 9 is a schematic diagram of a startup preheating circuit scheme of the present invention.
  • FIG. 10 is a schematic diagram of the second embodiment of the startup preheating circuit of the present invention.
  • FIG. 11 is a schematic diagram of the third embodiment of the startup preheating circuit of the present invention.
  • FIG. 12 is a schematic diagram of a multi-load working circuit scheme of the present invention.
  • FIG. 13 is a schematic diagram of the second embodiment of the multi-load working circuit of the present invention.
  • BEST MODE FOR CARRYING OUT THE INVENTION For a better understanding of the present invention, the following is explained by way of examples.
  • a power-saving voltage-stabilized ballast device provided by the present invention includes a bridge rectifier circuit, an electrolytic capacitor filter circuit, a half-bridge inverter circuit, and an LC output circuit, which are sequentially electrically connected, and the power saving
  • the voltage-stabilized ballast device also includes an electromagnetic compatibility filter EMC circuit for suppressing contamination of the power grid by high-frequency current harmonics, for improving power factor, reducing harmonics, and realizing constant power output.
  • a source power factor correction circuit for preventing damage to the ballast device caused by an abnormal state
  • the electromagnetic compatibility filter EMC circuit is connected between the voltage input terminal and the bridge rectifier circuit, the active power factor
  • the correction circuit is connected between the bridge rectifier circuit and the electrolytic capacitor filter circuit, and the abnormal state protection circuit is disposed in the half bridge inverter circuit.
  • an electromagnetic compatibility filter EMC circuit provided by the present invention is illustrated, which is composed of an inductor and a capacitor.
  • an active power factor corrected APFC circuit provided by the present invention is illustrated.
  • Such power factor correction circuits use dedicated integrated circuits, transistors, and some peripheral components, which are called active power factor correction circuits because they involve active components.
  • an abnormal state protection circuit provided by the present invention is illustrated.
  • Setting the secondary winding to produce a voltage of only 20-25V (or lower) on capacitor C2 is not sufficient to turn DB3 on. Therefore, Q3 Q4 does not get enough base current and trigger current, and it is in the off and off state. At this time, the abnormal protection circuit does not work.
  • the voltage induced on C2 exceeds the trigger voltage of DB3, causing DB3 to conduct, thereby turning on Q3 Q4, causing the half-bridge inverter circuit to stop working and not triggering again.
  • a zinc oxide varistor is connected in parallel to its input circuit, which clips or limits the instantaneous spike of the grid voltage present in the input circuit, reducing the voltage applied to the ballast.
  • the overcurrent protection circuit provided by the present invention is illustrated.
  • the best way to reduce the inrush current is to connect a current limiting resistor or a negative temperature coefficient (NTC) resistor in series with the input circuit.
  • the NTC resistor is at room temperature.
  • the lower cold resistance is larger, which can effectively suppress the inrush current.
  • the starting preheating circuit provided by the present invention is illustrated.
  • the cathode is required to reach the temperature required for the emission, that is, the cathode (ie, the filament) is provided.
  • the current and a certain preheating time, before the cathode reaches the electron emission state, and before the cathode forms a sufficient electron fog, the voltage applied to both ends of the lamp should be low enough to avoid glow discharge and damage to the cathode.
  • the multi-load working circuit is a ballast that simultaneously illuminates two or more lamps and continues to work. Line.
  • the circuit has the advantages of convenient installation, high reliability, remarkable energy saving effect, low power grid pollution, low loss, etc.
  • the invention adopts two kinds of electronic circuits: one is an LC multi-lamp series resonant circuit, and the other is a current push. Pull multiple lamp output lines.

Abstract

L'invention concerne un dispositif de ballast permettant d'économiser l'énergie et de réguler une tension, qui comprend un circuit redresseur en pont, un filtre de condensateur électrolytique, un circuit de convertisseur en demi-pont et un circuit de sortie LC montés électriquement en série. Ledit dispositif de ballast comprend également un circuit de filtre électromagnétique compatible (EMC) destiné à empêcher le courant d'onde de résonance d'une haute fréquence d'affecter le réseau d'énergie; un circuit de correction de facteur de puissance doté d'une source permettant d'améliorer un facteur de puissance, de limiter une onde de résonance, d'effectuer une sortie de puissance constante; un circuit de protection contre un état anormal permettant d'empêcher le dispositif de ballast d'être endommagé pendant l'état anormal. Le circuit de correction de facteur de puissance doté d'une source est connecté entre le circuit redresseur en pont et le filtre de condensateur électrolytique. Le circuit de protection contre un état anormal est placé dans le circuit de convertisseur en demi-pont. Le dispositif de ballast peut résister à une impulsion de crête instantanée et à une interférence du tonnerre, limiter un courant en rafale, présenter de multiples sorties de charge, retarder le démarrage et prolonger sa durée de vie.
PCT/CN2006/001170 2005-12-02 2006-05-31 Dispositif de ballast permettant d'economiser l'energie et de reguler une tension WO2007062556A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN200520119398 2005-12-02
CN200520119398.7 2005-12-02
CNU2006200589801U CN2907170Y (zh) 2006-05-16 2006-05-16 节电稳压镇流装置
CN200620058980.1 2006-05-16

Publications (1)

Publication Number Publication Date
WO2007062556A1 true WO2007062556A1 (fr) 2007-06-07

Family

ID=38091857

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/001170 WO2007062556A1 (fr) 2005-12-02 2006-05-31 Dispositif de ballast permettant d'economiser l'energie et de reguler une tension

Country Status (1)

Country Link
WO (1) WO2007062556A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104968075A (zh) * 2015-06-11 2015-10-07 广东科谷电源有限公司 单级高功率因数的led驱动电源
CN106061045A (zh) * 2016-08-09 2016-10-26 中山市昌捷光电科技有限公司 一种led线性驱动系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2538115Y (zh) * 2002-04-19 2003-02-26 飞宏电子（上海）有限公司 电子镇流器
CN2692961Y (zh) * 2004-03-31 2005-04-13 上海亚明灯泡厂有限公司 超大功率子母式荧光灯电子镇流器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2538115Y (zh) * 2002-04-19 2003-02-26 飞宏电子（上海）有限公司 电子镇流器
CN2692961Y (zh) * 2004-03-31 2005-04-13 上海亚明灯泡厂有限公司 超大功率子母式荧光灯电子镇流器

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104968075A (zh) * 2015-06-11 2015-10-07 广东科谷电源有限公司 单级高功率因数的led驱动电源
CN104968075B (zh) * 2015-06-11 2017-12-08 徐莉 单级高功率因数的led驱动电源
CN106061045A (zh) * 2016-08-09 2016-10-26 中山市昌捷光电科技有限公司 一种led线性驱动系统
CN106061045B (zh) * 2016-08-09 2024-01-09 中山市昌捷光电科技有限公司 一种led线性驱动系统

Similar Documents

Publication Publication Date Title
CN2907170Y (zh) 节电稳压镇流装置
US7521878B2 (en) Applications of halogen converter control IC
US7291988B2 (en) Electronic high intensity discharge lamp driver
WO1996038024A1 (fr) Ballast electronique de haute efficacite
CN100521859C (zh) 变频预热可重启动带异常保护的荧光灯电子镇流器
US6274987B1 (en) Power sensing lamp protection circuit for ballasts driving gas discharge lamps
CA2295172A1 (fr) Arrangement de circuit pour actionner au moins une lampe a decharge
JP2005506669A (ja) 短絡安定器の保護
WO2007062556A1 (fr) Dispositif de ballast permettant d'economiser l'energie et de reguler une tension
CN202396068U (zh) 一种金卤灯电子镇流器
CN2845392Y (zh) 变频预热可重启动带异常保护的荧光灯电子镇流器
CN105792488A (zh) 具有功率校正功能的节能镇流器
TWM309697U (en) Power-saving stabilized ballast device
CN204377233U (zh) 镇流器
CN205017669U (zh) 节能环保电子管
CN204350426U (zh) 镇流器
CN205017668U (zh) 抵御瞬时尖峰脉冲电压的电子管
CN106455246A (zh) 用于点亮液晶显示器的背光的反相器电路及其驱动方法
CN105813363A (zh) 有效抑制脉冲电流电压集成控制芯片及其镇流装置
Weiqiang et al. Novel constant power control of electronic ballast for HPS lamps
CN106455247A (zh) 公交车到站提醒系统
CN105744707A (zh) 多功能镇流器
JP3336042B2 (ja) 放電灯点灯装置
Dianguo et al. Novel control strategies for HPS lamps driven by electronic ballast
CN105813359A (zh) 多功能镇流器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 5679/DELNP/2008

Country of ref document: IN

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC

122 Ep: pct application non-entry in european phase

Ref document number: 06742057

Country of ref document: EP

Kind code of ref document: A1