WO2014169584A1 - 一种高频电子直流镇流器电路及荧光灯 - Google Patents

一种高频电子直流镇流器电路及荧光灯 Download PDF

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Publication number
WO2014169584A1
WO2014169584A1 PCT/CN2013/084584 CN2013084584W WO2014169584A1 WO 2014169584 A1 WO2014169584 A1 WO 2014169584A1 CN 2013084584 W CN2013084584 W CN 2013084584W WO 2014169584 A1 WO2014169584 A1 WO 2014169584A1
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Prior art keywords
capacitor
resistor
inductor
ballast
module
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PCT/CN2013/084584
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English (en)
French (fr)
Inventor
黄燕耀
黄仰伟
Original Assignee
Huang Yanyao
Huang Yangwei
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Publication of WO2014169584A1 publication Critical patent/WO2014169584A1/zh

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B35/00Electric light sources using a combination of different types of light generation
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28Circuit 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
    • H05B41/282Circuit 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
    • H05B41/2825Circuit 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 by means of a bridge converter in the final stage
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28Circuit 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
    • H05B41/282Circuit 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
    • H05B41/285Arrangements for protecting lamps or circuits against abnormal operating conditions
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Definitions

  • the invention belongs to the field of circuits, and in particular relates to a high frequency electronic DC ballast circuit and a fluorescent lamp.
  • the traditional illumination fluorescent tubes are used under the condition of alternating current.
  • Inductive ballasts which are mostly used in fluorescent lamp circuits, consume a large amount of metal materials, waste a large amount of electric energy, and the alternating current voltage changes sinusoidally.
  • the AC ballast generates a large impedance in the fluorescent lamp, which easily causes black circles at both ends of the fluorescent tube, affecting the illumination brightness and reducing the service life of the fluorescent lamp. Summary of the invention
  • the invention provides a high-frequency electronic DC ballast circuit, which aims to solve the problem that the AC ballast directly supplies power to the load in the prior art, and the load generates a black circle under the action of the alternating current, thereby reducing the service life of the load.
  • the present invention provides a high frequency electronic DC ballast circuit connected to an alternating current and a load, the high frequency electronic DC ballast circuit comprising alternating currents connected in sequence,
  • the EMI filter module, the first AC/DC conversion module, and the ballast module, the high frequency electronic DC ballast circuit further includes:
  • a second AC/DC conversion module respectively connected to the ballast module and the load, the town
  • the high frequency high voltage alternating current outputted by the flow module is converted into high frequency high voltage direct current to provide an operating voltage for the load.
  • the EMI filter module includes: a resistor R1, a filter capacitor Cl, a filter capacitor C2, an inductor L1, and an inductor L2;
  • the first end of the filter capacitor C1 is connected to the first end of the inductor L1 and the first end of the AC power, and the second end of the inductor L1 and the first end of the filter capacitor C2 are respectively
  • the first end of the resistor R1 is connected to the first end of the EMI filter module, and the second end of the resistor R1 is respectively connected to the second end of the filter capacitor C2.
  • the second end of the inductor R1 is connected to the second end of the EMI filter module, and the first end of the inductor L2 is respectively connected to the filter capacitor C1 and the alternating current The second end.
  • the first AC/DC conversion module is a rectifier bridge BD1;
  • the first output end of the EMI filter module is connected to the first input end of the rectifier bridge BD1, and the second output end of the EMI filter module is connected to the second input end of the rectifier bridge BD1.
  • the ballast module comprises: a polarity capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a diode Dl, a diode D2, a diode D3, and a second End AC switch D4, NPN type transistor Ql, NPN type transistor Q2, inductor Ta, inductor coil Tb, inductor coil Tc and inductor L3;
  • An anode of the polar capacitor C3 is connected to an output end of the ballast module, and is connected to an output end of the rectifier bridge BD1, and a positive pole of the polar capacitor C3 and a first end of the resistor R2 are connected to each other.
  • a cathode of the diode D1 and a collector of the NPN transistor Q1 and a first end of the capacitor C5 are connected to the two-terminal AC switch D4 a first end and a first end of the capacitor C4, a negative pole of the polar capacitor C3, the capacitor
  • the second end of the C4 and the second end of the resistor R4 are connected to the second end of the inductor Tc and the first end of the capacitor C6, and the cathode of the polar capacitor C3 is connected to the rectifier bridge BD1.
  • the ground terminal of the diode D3 and the anode of the diode D1 are connected to the second end of the resistor R3 and the collector of the NPN transistor Q2, and the base of the NPN transistor Q1 is connected.
  • a first end of the resistor R5, a second end of the resistor R5 is connected to the first end of the inductor Ta, and a second end of the inductor Ta is connected to the first end of the inductor Tb
  • the inductor a second end of the coil Tb is connected to the first end of the inductor L3, a common connection end of the inductor Ta and the inductor Tb is connected to the second end of the resistor R3, and the second end of the two-terminal AC switch D4
  • the second end of the NPN transistor Q2 is connected to the first end of the resistor R6, the emitter of the NPN transistor Q2 is connected to the first end of the resistor R4, and the second end of the resistor R6 is connected.
  • a common connection end of the capacitor C5 and the capacitor C6 is a second output of the ballast module.
  • the second AC/DC conversion module is a rectifier bridge BD2;
  • a first input end of the rectifier bridge BD2 is connected to a first output end of the ballast module, and a second input end of the rectifier bridge BD2 is connected to a second output end of the ballast module, the rectifier bridge
  • the output end and the ground end of the BD2 are respectively connected to two stages of the load.
  • Another object of the present invention is to provide a fluorescent lamp of the high frequency electronic DC ballast circuit as described above, which is connected to a load, and the load includes a straight tube type fluorescent tube, a color straight tube type fluorescent tube, a circular fluorescent tube, and a compact energy-saving fluorescent lamp; two ends of the fluorescent lamp are respectively connected to an output end and a ground end of the rectifier bridge BD2.
  • the high frequency high voltage output of the ballast module is output through the second AC/DC conversion module
  • the conversion of galvanic power into high-frequency high-voltage direct current supplies the working voltage to the load, which changes the practice of directly using the AC ballast to supply power to the load in the prior art, effectively solving the problem of directly supplying power to the load due to high-frequency high-voltage alternating current, so that the load is alternating. Black circles are generated under the action of current to reduce the service life of the load.
  • FIG. 1 is a block diagram of a high frequency electronic DC ballast circuit according to an embodiment of the present invention
  • FIG. 2 is a circuit block diagram of a high frequency electronic DC ballast circuit according to an embodiment of the present invention
  • the circuit structure diagram of the fluorescent lamp provided by the example. detailed description
  • the present invention provides a high frequency electronic DC ballast circuit connected to an alternating current AC and a load 300.
  • the high frequency electronic DC ballast circuit includes an alternating current AC, EMI filter module 201, An AC/DC conversion module 202 and a ballast module 203, the high frequency electronic DC ballast circuit further includes:
  • the second AC/DC conversion module 204 is connected to the ballast module 203 and the load 300, respectively, and converts the high frequency high voltage alternating current outputted by the ballast module 203 into high frequency high voltage direct current to provide a working voltage for the load 300.
  • the embodiment of the invention is mainly applicable to a lamp load connection with a power of 20 W or less, and the second AC/DC conversion module 204 converts the high frequency high voltage alternating current outputted by the ballast module 203 into a high frequency high voltage.
  • DC power supplies the operating voltage to the load, which changes the way in which the AC power is directly applied to the load in the prior art.
  • the high-frequency electronic DC ballast circuit does not require a starter in the process of driving the load fluorescent lamp, and directly works under the direct current, and the circuit structure is refined, which saves components and is more energy-saving. Fluorescent lamps have a longer life.
  • the EMI filter module 201 includes: a resistor R1, a filter capacitor Cl, a filter capacitor C2, an inductor L1, and an inductor L2;
  • the first end of the filter capacitor C1 is respectively connected to the first end of the inductor L1 and the first end of the AC power AC, and the second end of the inductor L1 is respectively connected to the first end of the filter capacitor C2 and the first end of the resistor R1.
  • the first end of the resistor R1 is the first output end of the EMI filter module 201, and the second end of the resistor R1 is respectively connected to the second end of the filter capacitor C2 and the second end of the inductor L2, and the second end of the resistor R1 is EMI.
  • the second output end of the filter module 201, the first end of the inductor L2 is respectively connected to the filter capacitor C1 and the second end of the AC power AC.
  • the first AC/DC conversion module 202 is a rectifier bridge BD1; the first output end of the EMI filter module 201 is connected to the first input end of the rectifier bridge BD1, and the second output end of the EMI filter module 201 is connected to the second output end of the rectifier bridge BD1. Input.
  • the ballast module 203 includes: a polarity capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a diode D1, a diode D2, a diode D3, and two ends.
  • AC switch D4 NPN type transistor Ql, NPN type transistor Q2, inductor coil Ta, inductor coil Tb, inductor coil Tc and inductor L3;
  • the positive pole of the polar capacitor C3 is the input end of the ballast module 203, and is connected to the output end of the rectifier bridge BD1.
  • the positive pole of the polar capacitor C3 and the first end of the resistor R2 are connected to the cathode of the diode D1 and the NPN transistor Q1.
  • the collector and the first end of the capacitor C5, the second end of the resistor R2 and the anode of the diode D3 The first end of the two-terminal AC switch D4 and the first end of the capacitor C4 are connected to the second end of the capacitor C4, the second end of the capacitor C4 and the second end of the resistor R4 are connected to the second end of the inductor Tc.
  • the first end of the capacitor C6, the cathode of the polarity capacitor C3 is connected to the ground of the rectifier bridge BD1, the cathode of the diode D3 and the anode of the diode D1 are connected to the second end of the resistor R3 and the collector of the NPN transistor Q2.
  • the base of the NPN transistor Q1 is connected to the first end of the resistor R5, the second end of the resistor R5 is connected to the first end of the inductor Ta, and the second end of the inductor Ta is connected to the first end of the inductor Tb, and the inductor Tb is The second terminal is connected to the first end of the inductor L3, the common terminal of the inductor Ta and the inductor Tb is connected to the second end of the resistor R3, and the second end of the two-terminal AC switch D4 is connected to the base of the NPN transistor Q2 and the resistor R6.
  • the first end of the NPN transistor Q2 is connected to the first end of the resistor R4, the second end of the resistor R6 is connected to the first end of the inductor Tc, and the second end of the capacitor C5 is respectively connected to the first end of the capacitor C7.
  • the second end of the capacitor C6 is connected, and the second end of the inductor L3 is connected to the second end of the capacitor C7, the inductor L3 Terminal of the capacitor C7 is connected in common to a first output terminal of the ballast module 203, the common connection terminal of the capacitor C5 and the capacitor C6 for the second output terminal of the ballast module 203.
  • the inductive coil Ta, the inductive coil Tb, and the inductive coil Tc of the ballast module 203 employ a toroidal ferrite core (Fe 2 0 3 ) to enhance the reaction sensitivity of the circuit.
  • the second AC/DC conversion module 204 is a rectifier bridge BD2; the first input end of the rectifier bridge BD2 is connected to the first output end of the ballast module 203, and the second input end of the rectifier bridge BD2 is connected to the ballast module 203.
  • the second output end, the output end of the rectifier bridge BD2 and the ground end are respectively connected to two stages of the load 300.
  • the alternating current 100 is filtered by the EMI filter module 201, and then converted into a high voltage direct current by the first AC/DC conversion module, and the ballast module 203 composed of two triodes converts the high voltage direct current into a high frequency high voltage alternating current, and then the second alternating current direct current conversion.
  • Module 204 converts high frequency high voltage alternating current into high frequency high voltage straight
  • the galvanic power supplies the load.
  • the embodiment further provides a fluorescent lamp comprising the above high frequency electronic DC ballast circuit, which is connected with a load K, and the load K comprises a straight tube type fluorescent lamp tube, a color straight tube type fluorescent lamp tube, a circular fluorescent lamp tube and a compact
  • the energy-saving fluorescent lamp tube has two ends of the load K connected to the output end and the ground end of the rectifier bridge BD2.
  • the load K is a straight tubular fluorescent tube M, and two legs of the two ends of the straight tubular fluorescent lamp M are respectively connected together. .
  • a single-lead foot base can also be designed for use in the straight tube-shaped fluorescent lamp tube M provided by the embodiment of the present invention, and the straight tube-shaped fluorescent lamp single-lead leg is also performed in the embodiment of the present invention. Public content.
  • the high-frequency high-voltage alternating current outputted by the ballast module is converted into a high-frequency high-voltage direct current to supply a working voltage through the second AC-DC conversion module, and the AC ballast is directly used in the prior art.
  • the practice of supplying power to the load effectively solves the problem of directly generating power to the load by using AC power, causing the load to generate a black circle under the action of alternating current and reducing the service life of the load.

Abstract

本发明属于电路领域,提供了一种高频电子直流镇流器电路及荧光灯。在本发明实施例中,通过第二交直流转换模块,将镇流器模块输出的高频高压交流电转换为高频高压直流电为负载提供工作电压,改变了现有技术中直接采用交流电镇流器给负载供电的做法,有效解决了由于高频高压交流电直接给负载供电,使负载在交变电流作用下产生黑圈,降低负载使用寿命的问题。

Description

说 明 书 一种高频电子直流镇流器电路及荧光灯
技术领域
本发明属于电路领域, 尤其涉及一种高频电子直流镇流器电路及荧光灯。 H 术
电力的发展极大的促进了社会的进步, 人们的生活越来越离不开电, 日常 照明, 工作照明都需要电, 电为人们的生活带来了极大的便利。
但是, 传统的照明荧光灯管都是在交流电的条件下使用, 荧光灯电路中大多使 用的电感式镇流器, 耗费了大量的金属材料, 同时浪费了大量的电能, 而且交 流电电压成正弦周期性变化, 交流镇流器在荧光灯中产生较大阻抗, 易引起荧 光灯管两端产生黑圈, 影响照明亮度, 减少荧光灯的使用寿命。 发明内容
本发明提供了一种高频电子直流镇流器电路, 旨在解决现有技术中交流镇 流器直接给负载供电, 使负载在交变电流作用下产生黑圈, 降低负载使用寿命 的问题。
为了解决上述技术问题, 本发明提供了一种高频电子直流镇流器电路,与 交流电和负载连接, 所述高频电子直流镇流器电路包括依次连接的交流电、
EMI滤波模块、 第一交直流转换模块以及镇流器模块, 所述高频电子直流镇流 器电路还包括:
第二交直流转换模块, 分别与所述镇流器模块和所述负载连接, 将所述镇 流器模块输出的高频高压交流电转换为高频高压直流电为所述负载提供工作 电压。
进一步地, 所述 EMI滤波模块包括: 电阻 Rl、 滤波电容 Cl、 滤波电容 C2、 电感线圈 L1以及电感线圈 L2;
所述滤波电容 C1的第一端分别与电感线圈 L1的第一端和所述交流电的 第一端连接, 所述电感线圈 L1的第二端分别与所述滤波电容 C2的第一端和 所述电阻 R1的第一端连接, 所述电阻 R1的第一端为所述 EMI滤波模块的第 一输出端, 所述电阻 R1的第二端分别与所述滤波电容 C2的第二端和所述电 感线圈 L2的第二端连接, 所述电阻 R1的第二端为所述 EMI滤波模块的第二 输出端, 所述电感线圈 L2的第一端分别与所述滤波电容 C1和所述交流电的 第二端。
进一步地, 所述第一交直流转换模块为整流桥 BD1;
所述 EMI滤波模块的第一输出端接所述整流桥 BD1的第一输入端, 所述 EMI滤波模块的第二输出端接所述整流桥 BD1的第二输入端。
进一步地, 所述镇流器模块包括: 极性电容 C3、 电容 C4、 电容 C5、 电容 C6、 电容 C7、 电阻 R3、 电阻 R4、 电阻 R5、 电阻 R6、 二极管 Dl、 二极管 D2、 二极管 D3、 二端交流电开关 D4、 NPN型三极管 Ql、 NPN型三极管 Q2、 电 感线圈 Ta、 电感线圈 Tb、 电感线圈 Tc以及电感 L3;
所述极性电容 C3的正极作为所述镇流器模块的输入端, 接所述整流桥 BD1的输出端, 所述极性电容 C3的正极和所述电阻 R2的第一端共接于所述 二极管 D1的阴极和所述 NPN型三极管 Q1的集电极以及所述电容 C5的第一 端, 所述电阻 R2的第二端和所述二极管 D3的阳极共接于所述二端交流电开 关 D4的第一端和所述电容 C4的第一端, 所述极性电容 C3的负极、 所述电容 C4的第二端及所述电阻 R4的第二端共接于所述电感线圈 Tc的第二端和所述 电容 C6的第一端, 所述极性电容 C3的负极接所述整流桥 BD1的接地端, 所 述二极管 D3的阴极和所述二极管 D1的阳极共接于所述电阻 R3的第二端和所 述 NPN型三极管 Q2的集电极, 所述 NPN型三极管 Q1的基极接所述电阻 R5 的第一端, 所述电阻 R5的第二端接所述电感线圈 Ta的第一端,所述电感线圈 Ta的第二端接所述电感线圈 Tb的第一端, 所述电感线圈 Tb的第二端接所述 电感 L3的第一端, 所述电感线圈 Ta和所述电感线圈 Tb的公共连接端接所述 电阻 R3的第二端, 所述二端交流电开关 D4的第二端接所述 NPN型三极管 Q2的基极和所述电阻 R6的第一端, 所述 NPN型三极管 Q2的发射极接所述 电阻 R4的第一端, 所述电阻 R6的第二端接所述电感线圈 Tc的第一端, 所述 电容 C5的第二端分别与所述电容 C7的第一端和所述电容 C6的第二端连接, 所述电感 L3的第二端接所述电容 C7的第二端, 所述电感 L3和所述电容 C7 的公共连接端为所述镇流器模块的第一输出端, 所述电容 C5和所述电容 C6 的公共连接端为所述镇流器模块的第二输出端。
进一步地, 所述第二交直流转换模块为整流桥 BD2;
所述整流桥 BD2的第一输入端接所述镇流器模块的第一输出端, 所述整 流桥 BD2的第二输入端接所述镇流器模块的第二输出端, 所述整流桥 BD2的 输出端和接地端分别接所述负载的两级。
本发明的另一目的在于提供一种如上所述的高频电子直流镇流器电路的 荧光灯, 与负载连接, 所述负载包括直管形荧光灯管、 彩色直管型荧光灯管、 环形荧光灯管以及紧凑型节能荧光灯管;所述荧光灯的两端分别与所述整流桥 BD2的输出端和接地端连接。
在本发明中, 通过第二交直流转换模块, 将镇流器模块输出的高频高压交 流电转换为高频高压直流电为负载提供工作电压 ,改变了现有技术中直接采用 交流镇流器给负载供电的做法,有效解决了由于高频高压交流电直接给负载供 电, 使负载在交变电流作用下产生黑圈, 降低负载使用寿命的问题。 附图说明
图 1是本发明实施例提供的高频电子直流镇流器电路的模块结构图; 图 2是本发明实施例提供的高频电子直流镇流器电路的电路结构图; 图 3是本发明实施例提供的荧光灯的电路结构图。 具体实施方式
为了使本发明的目的、 技术方案及优点更加清楚明白, 以下结合附图及实 施例, 对本发明进行进一步详细说明。 应当理解, 此处所描述的具体实施例仅 仅用以解释本发明, 并不用于限定本发明。 如图 1所示, 本发明提供了一种高频电子直流镇流器电路, 与交流电 AC 和负载 300连接, 高频电子直流镇流器电路包括依次连接的交流电 AC、 EMI 滤波模块 201、 第一交直流转换模块 202以及镇流器模块 203 , 高频电子直流 镇流器电路还包括:
第二交直流转换模块 204, 分别与镇流器模块 203和负载 300连接, 将镇 流器模块 203输出的高频高压交流电转换为高频高压直流电为负载 300提供工 作电压。
本发明实施例主要适用于功率为 20W及以下的灯具负载连接使用, 第二 交直流转换模块 204将镇流器模块 203输出的高频高压交流电转换为高频高压 直流电为负载提供工作电压,改变了现有技术中直接采用交流电给负载供电的 做法。
在本发明实施例中, 高频电子直流镇流器电路使在驱动负载日光灯的过程 中不需要起辉器, 直接工作在直流电流下, 精筒了电路结构, 节省了元器件, 同时更节能, 日光灯的使用寿命更长。
进一步地, 如图 2所示, EMI滤波模块 201包括: 电阻 Rl、 滤波电容 Cl、 滤波电容 C2、 电感线圈 L1以及电感线圈 L2;
滤波电容 C1的第一端分别与电感线圈 L1的第一端和交流电 AC的第一端 连接, 电感线圈 L1的第二端分别与滤波电容 C2的第一端和电阻 R1的第一端 连接, 电阻 R1的第一端为 EMI滤波模块 201的第一输出端, 电阻 R1的第二 端分别与滤波电容 C2的第二端和电感线圈 L2的第二端连接, 电阻 R1的第二 端为 EMI滤波模块 201的第二输出端, 电感线圈 L2的第一端分别与滤波电容 C1和交流电 AC的第二端。
进一步地, 第一交直流转换模块 202为整流桥 BD1 ; EMI滤波模块 201 的第一输出端接整流桥 BD1的第一输入端, EMI滤波模块 201的第二输出端 接整流桥 BD1的第二输入端。
进一步地, 镇流器模块 203包括: 极性电容 C3、 电容 C4、 电容 C5、 电容 C6、 电容 C7、 电阻 R3、 电阻 R4、 电阻 R5、 电阻 R6、 二极管 Dl、 二极管 D2、 二极管 D3、 二端交流电开关 D4、 NPN型三极管 Ql、 NPN型三极管 Q2、 电 感线圈 Ta、 电感线圈 Tb、 电感线圈 Tc以及电感 L3;
极性电容 C3的正极为镇流器模块 203的输入端,接整流桥 BD1的输出端, 极性电容 C3的正极和电阻 R2的第一端共接于二极管 D1的阴极和 NPN型三 极管 Q1的集电极以及电容 C5的第一端, 电阻 R2的第二端和二极管 D3的阳 极共接于二端交流电开关 D4的第一端和电容 C4的第一端,极性电容 C3的负 极、 电容 C4的第二端及电阻 R4的第二端共接于电感线圈 Tc的第二端和电容 C6的第一端,极性电容 C3的负极接整流桥 BD1的接地端,二极管 D3的阴极 和二极管 D1的阳极共接于电阻 R3的第二端和 NPN型三极管 Q2的集电极, NPN型三极管 Q1的基极接电阻 R5的第一端, 电阻 R5的第二端接电感线圈 Ta的第一端, 电感线圈 Ta的第二端接电感线圈 Tb的第一端, 电感线圈 Tb的 第二端接电感 L3的第一端, 电感线圈 Ta和电感线圈 Tb的公共连接端接电阻 R3的第二端, 二端交流电开关 D4的第二端接 NPN型三极管 Q2的基极和电 阻 R6的第一端, NPN型三极管 Q2的发射极接电阻 R4的第一端, 电阻 R6 的第二端接电感线圈 Tc的第一端, 电容 C5的第二端分别与电容 C7的第一端 和电容 C6的第二端连接, 电感 L3的第二端接电容 C7的第二端, 电感 L3和 电容 C7的公共连接端为镇流器模块 203的第一输出端, 电容 C5和电容 C6的 公共连接端为镇流器模块 203的第二输出端。
作为本发明一实施例, 镇流器模块 203中电感线圈 Ta、 电感线圈 Tb、 电 感线圈 Tc采用了环形铁氧体磁芯 ( Fe203 ), 增强电路的反应灵敏度。
进一步地, 第二交直流转换模块 204为整流桥 BD2; 整流桥 BD2的第一 输入端接镇流器模块 203的第一输出端, 整流桥 BD2的第二输入端接镇流器 模块 203的第二输出端, 整流桥 BD2的输出端和接地端分别接负载 300的两 级。
以下结合本实施例对本发明实现的原理做进一步说明。
交流电 100经过 EMI滤波模块 201滤波, 然后由第一交直流转换模块转 换为高压直流电, 由二个三极管组成的镇流器模块 203将高压直流变成高频高 压交流电,再由第二交直流转换模块 204将高频高压交流电转换为高频高压直 流电给负载供电。
本实施例还提供了一种包括上述高频电子直流镇流器电路的荧光灯,与负 载 K连接, 负载 K包括直管形荧光灯灯管、 彩色直管型荧光灯灯管、 环形荧 光灯灯管以及紧凑型节能荧光灯灯管, 负载 K的两端分别与整流桥 BD2的输 出端和接地端连接。
图 3示出了本发明实施例提供的荧光灯的电路图, 在本发明实施例中, 负 载 K为直管形荧光灯管 M, 直管形荧光灯灯管 M的两端的两个灯脚分别连接 在一起。
在本发明实施例中,还可以设计一种单引线的脚座用于给本发明实施例提 供的直管形荧光灯灯管 M使用, 直管形荧光灯单引线脚座也属于本发明实施 例进行公开的内容。
在本发明实施例中, 通过第二交直流转换模块, 将镇流器模块输出的高频 高压交流电转换为高频高压直流电为负载提供工作电压,改变了现有技术中直 接采用交流镇流器给负载供电的做法,有效解决了由于采用交流电直接给负载 供电, 使负载在交变电流作用下产生黑圈, 降低负载使用寿命的问题。
以上所述仅为本发明的较佳实施例而已, 并不用以限制本发明, 凡在本发 明的精神和原则之内所作的任何修改、 等同替换和改进等, 均应包含在本发明 的保护范围之内。

Claims

权 利 要 求 书
1、 一种高频电子直流镇流器电路, 与交流电和负载连接, 所述高频电子 直流镇流器电路包括依次连接的交流电、 EMI滤波模块、 第一交直流转换模块 以及镇流器模块, 其特征在于, 所述高频电子直流镇流器电路还包括:
第二交直流转换模块, 分别与所述镇流器模块和所述负载连接, 将所述镇 流器模块输出的高频高压交流电转换为高频高压直流电为所述负载提供工作 电压。
2、如权利要求 1所述的高频电子直流镇流器电路,其特征在于,所述 EMI 滤波模块包括:
电阻 Rl、 滤波电容 Cl、 滤波电容 C2、 电感线圈 L1以及电感线圈 L2; 所述滤波电容 C1的第一端分别与电感线圈 L1的第一端和所述交流电的 第一端连接, 所述电感线圈 L1的第二端分别与所述滤波电容 C2的第一端和 所述电阻 R1的第一端连接, 所述电阻 R1的第一端为所述 EMI滤波模块的第 一输出端, 所述电阻 R1的第二端分别与所述滤波电容 C2的第二端和所述电 感线圈 L2的第二端连接, 所述电阻 R1的第二端为所述 EMI滤波模块的第二 输出端, 所述电感线圈 L2的第一端分别与所述滤波电容 C1和所述交流电的 第二端。
3、 如权利要求 2所述的高频电子直流镇流器电路, 其特征在于, 所述第 一交直流转换模块为整流桥 BD1;
所述 EMI滤波模块的第一输出端接所述整流桥 BD1的第一输入端, 所述 EMI滤波模块的第二输出端接所述整流桥 BD1的第二输入端。
4、 如权利要求 3所述的高频电子直流镇流器电路, 其特征在于, 所述镇 流器模块包括:
极性电容 C3、 电容 C4、 电容 C5、 电容 C6、 电容 C7、 电阻 R3、 电阻 R4、 电阻 R5、 电阻 R6、 二极管 Dl、 二极管 D2、 二极管 D3、 二端交流电开关 D4、 NPN型三极管 Ql、 NPN型三极管 Q2、 电感线圈 Ta、 电感线圈 Tb、 电感线圈 Tc以及电感 L3;
所述极性电容 C3的正极作为所述镇流器模块的输入端, 接所述整流桥 BD1的输出端, 所述极性电容 C3的正极和所述电阻 R2的第一端共接于所述 二极管 D1的阴极和所述 NPN型三极管 Q1的集电极以及所述电容 C5的第一 端, 所述电阻 R2的第二端和所述二极管 D3的阳极共接于所述二端交流电开 关 D4的第一端和所述电容 C4的第一端, 所述极性电容 C3的负极、 所述电容 C4的第二端及所述电阻 R4的第二端共接于所述电感线圈 Tc的第二端和所述 电容 C6的第一端, 所述极性电容 C3的负极接所述整流桥 BD1的接地端, 所 述二极管 D3的阴极和所述二极管 D1的阳极共接于所述电阻 R3的第二端和所 述 NPN型三极管 Q2的集电极, 所述 NPN型三极管 Q1的基极接所述电阻 R5 的第一端, 所述电阻 R5的第二端接所述电感线圈 Ta的第一端,所述电感线圈 Ta的第二端接所述电感线圈 Tb的第一端, 所述电感线圈 Tb的第二端接所述 电感 L3的第一端, 所述电感线圈 Ta和所述电感线圈 Tb的公共连接端接所述 电阻 R3的第二端, 所述二端交流电开关 D4的第二端接所述 NPN型三极管 Q2的基极和所述电阻 R6的第一端, 所述 NPN型三极管 Q2的发射极接所述 电阻 R4的第一端, 所述电阻 R6的第二端接所述电感线圈 Tc的第一端, 所述 电容 C5的第二端分别与所述电容 C7的第一端和所述电容 C6的第二端连接, 所述电感 L3的第二端接所述电容 C7的第二端, 所述电感 L3和所述电容 C7 的公共连接端为所述镇流器模块的第一输出端, 所述电容 C5和所述电容 C6 的公共连接端为所述镇流器模块的第二输出端。
5、 如权利要求 4所述的高频电子直流镇流器电路, 其特征在于, 所述第 二交直流转换模块为整流桥 BD2;
所述整流桥 BD2的第一输入端接所述镇流器模块的第一输出端, 所述整 流桥 BD2的第二输入端接所述镇流器模块的第二输出端, 所述整流桥 BD2的 输出端和接地端分别接所述负载的两端。
6、 一种荧光灯, 与负载连接, 所述负载包括直管形荧光灯管、 彩色直管 型荧光灯管、 环形荧光灯管以及紧凑型节能荧光灯管, 其特征在于, 所述荧光 灯包括如权利要求 1至 5任一所述的高频电子直流镇流器电路。
PCT/CN2013/084584 2013-04-18 2013-09-29 一种高频电子直流镇流器电路及荧光灯 WO2014169584A1 (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2107116U (zh) * 1991-08-30 1992-06-10 威海北洋电气集团公司 一种高频电子荧光灯的驱动装置
CN1457222A (zh) * 2003-06-06 2003-11-19 陈增昱 无频闪电子镇流器和发光装置
CN103237395A (zh) * 2013-04-18 2013-08-07 黄燕耀 一种高频电子直流镇流器电路及荧光灯
CN103237396A (zh) * 2013-04-18 2013-08-07 黄燕耀 一种高频电子直流镇流器电路及荧光灯

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5036256A (en) * 1990-06-21 1991-07-30 Gte Products Corporation Arc discharge ballast suitable for automotive applications
US5744912A (en) * 1996-06-26 1998-04-28 So; Gin Pang Electronic ballast having an oscillator shutdown circuit for single or multiple fluorescent tubes for lamps
CN2394401Y (zh) * 1999-10-25 2000-08-30 俞志龙 低灯电流波峰比的高功率因数电子镇流器
CN103037582A (zh) * 2012-12-18 2013-04-10 东莞市领冠半导体照明有限公司 一种兼容荧光灯制式的led日光灯电源

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2107116U (zh) * 1991-08-30 1992-06-10 威海北洋电气集团公司 一种高频电子荧光灯的驱动装置
CN1457222A (zh) * 2003-06-06 2003-11-19 陈增昱 无频闪电子镇流器和发光装置
CN103237395A (zh) * 2013-04-18 2013-08-07 黄燕耀 一种高频电子直流镇流器电路及荧光灯
CN103237396A (zh) * 2013-04-18 2013-08-07 黄燕耀 一种高频电子直流镇流器电路及荧光灯

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