CN2308222Y - 容式荧光灯镇流器 - Google Patents

容式荧光灯镇流器 Download PDF

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CN2308222Y
CN2308222Y CN 97239793 CN97239793U CN2308222Y CN 2308222 Y CN2308222 Y CN 2308222Y CN 97239793 CN97239793 CN 97239793 CN 97239793 U CN97239793 U CN 97239793U CN 2308222 Y CN2308222 Y CN 2308222Y
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utility
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赵平
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Abstract

本实用新型涉及一种容式荧光灯镇流器。其技术关键是:预热电容C1与灯管并联,镇流电容C3与灯管串联,二极管D1与电阻R1、R2串联,可控硅T1与电容C1并联,稳压管W1跨接于可控硅T1的阴极和电阻R1、R2之间,稳压管W1阳极与可控硅T1的阴极相连,电容C2与电阻R2并联。本实用新型电路简单,成本低廉,体积小,重量轻,发热小,对于一端灯丝断开的坏灯管仍能继续使用,性能可靠,便于工业化生产。

Description

容式荧光灯镇流器
本实用新型涉及一种荧光灯镇流器,特别是一种容式荧光灯镇流器。
目前市售及人们普遍使用的荧光灯镇流器主要是电感镇流器。电感镇流器具有体积较大,重量较大的缺点,使用时间过长就会发出蜂音,形成噪音污染,使用这种镇流器必须配备起辉器,起辉器也易损坏。目前使用的电子镇流器虽然体积小、重量轻、无频闪、无蜂音,但电路复杂,成本高。对于以上两类镇流器,一端灯丝断开的坏灯管是不能继续使用的。
本实用新型的目的是提供一种电路简单,成本低,体积小,重量轻、无蜂音而且对于一端灯丝断开的坏灯管使其能够继续使用的新型荧光灯镇流器。
附图1为本实用新型的电路图。
下面结合附图1详细叙述本实用新型的实现过程。
本实用新型的灯丝预热电容C1与灯管并联,镇流电容C3与灯管串联,二极管D1与电阻R1、R2串联,可控硅T1与电容C1并联,稳压管W1跨接于可控硅T1的阴极和电阻R1、R2之间,稳压管W1阳极与可控硅T1的阴极相连,电容C2与电阻R2并联。灯丝预热电容C1提供灯丝预热回路,当灯管启动工作时,镇流器电容C3起分压镇流作用,保持荧光灯正常工作;T1、W1、D1、R1、R2、C2组成倍压启辉电路,交流电正半周使T1触发导通,C3充峰值电压,交流电负半周时可在灯管上加二倍峰值电压使灯管启动工作。
本实用新型的优点:电路简单,成本低廉,体积小,重量轻,发热小,对于一端灯丝断开的坏灯管仍能继续使用,性能可靠,便于工业化生产。

Claims (1)

1、一种容式荧光灯镇流器,其特征是:预热电容C1与灯管并联,镇流电容C3与灯管串联,二极管D1与电阻R1、R2串联,可控硅T1与电容C1并联,稳压管W1跨接于可控硅T1的阴极和电阻R1、R2之间,稳压管W1阳极与可控硅T1的阴极相连,电容C2与电阻R2并联。
CN 97239793 1997-07-18 1997-07-18 容式荧光灯镇流器 Expired - Fee Related CN2308222Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97239793 CN2308222Y (zh) 1997-07-18 1997-07-18 容式荧光灯镇流器

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Application Number Priority Date Filing Date Title
CN 97239793 CN2308222Y (zh) 1997-07-18 1997-07-18 容式荧光灯镇流器

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CN2308222Y true CN2308222Y (zh) 1999-02-17

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CN 97239793 Expired - Fee Related CN2308222Y (zh) 1997-07-18 1997-07-18 容式荧光灯镇流器

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101925241A (zh) * 2009-06-09 2010-12-22 皇家飞利浦电子股份有限公司 脉冲启动电路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101925241A (zh) * 2009-06-09 2010-12-22 皇家飞利浦电子股份有限公司 脉冲启动电路

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