CN202374512U - 电容恒流驱动的4支3瓦led灯 - Google Patents

电容恒流驱动的4支3瓦led灯 Download PDF

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CN202374512U
CN202374512U CN2011205120270U CN201120512027U CN202374512U CN 202374512 U CN202374512 U CN 202374512U CN 2011205120270 U CN2011205120270 U CN 2011205120270U CN 201120512027 U CN201120512027 U CN 201120512027U CN 202374512 U CN202374512 U CN 202374512U
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led
lamp
constant current
emitting diodes
watts
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王雁尘
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Abstract

一种电容恒流驱动的4支3瓦LED灯。采用12-16uF电容恒流元件,桥整流正极通过串连4支3瓦LED接桥整流负极,功耗为12瓦,电能效率比开关电源方案更高,结构简捷,成本低廉,安全稳定,高效节能,可有效降低产品价格,助推LED普及应用。

Description

电容恒流驱动的4支3瓦LED灯
技术领域
本实用新型涉及一种照明装置,使用的电容恒流驱动的4支3瓦LED灯。 
背景技术
一瓦以上封装的LED由于工作电流大,大多采用开关电源供电,加之散热要求高,虽具有节电、寿命长、环保优势,但限于成本高,售价高,难以被市场接受。 当今提倡节能低碳,要求提供一种结构简单、成本低、稳定可靠的3瓦封装LED灯产品。 
发明内容
为了克服现有产品的不足,本实用新型提供了一种电容恒流驱动的4支3瓦LED灯。 
本实用新型解决其技术问题所采用的技术方案:采用12-16uF电容恒流元件,桥整流正极通过串连4支3瓦LED 接桥整流负极,1000uF电容连接在LED照明组件的两端,具有良好的吸收高压冲击和尖端干扰的功能,是做为LED过压保护的特殊应用,结构简捷,成本低廉,安全稳定,高效节能。 
本实用新型的有益效果:结构简单,成本低廉,安全稳定,高效节能功耗为12瓦,电能效率比开关电源方案更高,可有效降低产品价格,助推LED普及应用。
附图说明 
下面结合附图和实例对本实用新型进一步说明。 
附图1中是本实用新型电路原理图。 
具体实施方案
 图中,TP1、TP2输入与灯头、电源连接,电容C1为恒流元件,是为LED照明功耗限制在12瓦,有利于LED的长年使用,桥整流正极通过串连4支3瓦LED 接桥整流负极,1000uF电容连接在LED照明组件的两端,具有良好的吸收高压冲击和尖端干扰的功能,是做为LED过压保护的特殊应用,结构简捷,成本低廉,安全稳定,高效节能。 

Claims (1)

1.一种电容恒流驱动的4支3瓦LED灯,其特征是采用12-16uF电容恒流元件,桥整流正极通过串连4支3瓦LED 接桥整流负极,1000uF电容连接在LED照明组件的两端。
CN2011205120270U 2011-12-10 2011-12-10 电容恒流驱动的4支3瓦led灯 Expired - Lifetime CN202374512U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205120270U CN202374512U (zh) 2011-12-10 2011-12-10 电容恒流驱动的4支3瓦led灯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205120270U CN202374512U (zh) 2011-12-10 2011-12-10 电容恒流驱动的4支3瓦led灯

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CN202374512U true CN202374512U (zh) 2012-08-08

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Granted publication date: 20120808

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