汽车卤素大灯的优点是什么

2019-03-31 作者：luoting1

　　【太平洋汽车】卤素灯优点：结构简单，成本较低。亮度容易控制和调整。灯光显色性好，穿透力强。比普通白炽灯使用寿命长、色温高、发光效率高。

汽车卤素大灯和氙气大灯的区别：
1、氙气大灯是没有灯丝，它灯管里边只有一个黄豆大小的气体发光点；卤素灯是有灯丝的。
2、氙气灯泡拥有比普通卤素灯泡高三倍的光照强度，耗能却仅为其三分之二。
3、氙气灯泡采用与日光近乎相同的光色，为驾驶者创造出更佳的视觉条件。氙气灯具使光照范围更广，光照强度更大，大大地改善了驾驶的安全性和舒适性。
4、氙气灯亮度高、色温高，肉眼感觉是白光或蓝光，需要加安定器。卤素灯色温低，光发黄。拧上就能用。

卤素大灯是新一代白炽灯，充有溴碘等卤族元素或卤化物的钨灯。为提高白炽灯的发光效率，必须提高钨丝的温度，但相应会造成钨的升华，并凝华在玻璃壳上使之发黑。在白炽灯中充入卤族元素或卤化物，利用卤钨循环的原理可以消除白炽灯的玻壳发黑现象。（图/文/摄：太平洋汽车网罗婷1）

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