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法国《电气电子设备报》1980年6～7月号在该杂志的“技术点滴”一栏中介绍了菲利蒲照明公司最近研制成功的两种新型节能灯。该公司已向市场投放了一种叫“SL”的新型灯。这种灯可发出与普通白炽灯同样的光亮,但耗电却只有后者的25％,且使用寿命5倍于白炽灯。该产品耗电小、寿命长的优点充分体现了它的经济性,非常适宜每日照明时间较长的地方安装使用。它将逐步取代目前的白炽灯。“SL”灯采用在低压汞气中放电的原理放出紫外线光束,经莹光粉变为像萤光管那样的可见光束。在设计上,它将起动电极、镇流器和管座制成一体,体积小巧。
The French “Electrical and Electronic Equipment” magazine from June to July 1980 introduced two new types of energy-saving lamps recently developed by Philip Lighting in the magazine’s “Techniques” section. The company has put a new type of light called “SL” on the market. The lamp emits the same light as an ordinary incandescent lamp, but consumes only 25% of the power and has a lifetime of five times that of an incandescent lamp. The advantages of low power consumption and long life of the product fully reflect its economical efficiency. It is very suitable for installation and use in places with long daily lighting time. It will gradually replace the current incandescent lamp. The “SL” lamp emits an ultraviolet beam by the principle of discharging in a low-pressure mercury gas, and the fluorescent powder becomes a visible beam like a fluorescent tube. In design, it is made of one-piece starting electrode, ballast and socket, and it is compact.