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1 引言近几年 ,人们对由放电灯造成的汞污染 ,要求保护环境的呼声越来越高 ,而且一些无汞高压钠灯的研究已有介绍。该文给出一种汽车用无汞高强度放电 (ＨＩＤ)灯方案。2 试验与结果普通的 35ＷＨＩＤ汽车灯含有汞和金属卤化物(主要为ＮａＩ和ＳｃＩ3 )。图 1为ＨＩＤ汽车灯
1 INTRODUCTION In recent years, there has been increasing demand for environmental protection due to mercury pollution caused by discharge lamps, and some studies on mercury-free high-pressure sodium lamps have been introduced. This paper presents a mercury-free high-intensity discharge (HID) lamp scheme for automobiles. 2 Tests and Results Common 35WHID car lamps contain mercury and metal halides (mainly NaI and ScI3). Figure 1 for the HID car lights