白炽灯,日光灯,节能灯和led的区别

2025-03-15 18:03:04
推荐回答(1个)
回答1:

亮度,发热产生的热量,使用寿命,耗电量,发光原理等都有所不同。

1、白炽灯:是靠钨丝发热原理工作的,就是常见的圆头灯泡节能灯:日光灯的一种,是靠荧光粉发光的,价格比白炽灯贵,同瓦数时比白炽灯亮60%左右LED灯:二极管发光原理,节能效果比节能灯好,同瓦数时比节能灯亮40%左右。

2、从发光原理上看以上灯具与LED灯具区别是,白炽灯节能灯等都是将电能转换为热能之后激发成光能,这个过种中浪费了大部分能源,LED是将电能直接转换成光能,这个过程节省了大部分能源。另从效果上可以从两个方面作区别:一。光通量(流明)卤素灯光通量一般为20LM/W,节能灯一般为50-60LM/w LED灯光通量一般为80-110LM/W 也就是每一W光源所产生的光的总量相差很多,所以才能体现节能效果。二。发光效率(光效)卤素灯光效一般为30%左右,节能灯一般为60%左右LED灯光效可达90%,这也是体现节能的一大因素。从以上几点可以看出,LED灯光通量是节能灯的一倍以上,是白炽灯的五倍以上,那50WLED则相当于110W节能灯 250W灯/卤素灯以上。以此类推。

3、白炽灯就是爱迪生最早发明的那种通过加热灯丝发光发热的灯泡,一百多年了,效率低,寿命短,发热大,节能灯一般说的是节能荧光灯,通过高压电离使灯管内的汞蒸汽发出紫外线激发管壁的荧光粉发光,效率相对较高,通过不同的荧光粉配方可以获得不同的光色。但这种灯需要用到汞,灯管废弃后如果处理不当汞污染环境。led是半导体发光,电流通过PN节,全固态的,安全、高效,节能,是今后灯具发展方向。

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