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点燃日光灯管的镇流器和显现涡流存在的装置,原来是两套仪器。同时,市售的日光灯镇流器为绝缘胶和铁壳所密封,学生无法看到其内部结构,很不直观。为了便于演示时操作、增强演示效果,做到一器多用,设计并制作了这个镇流——涡流器。它的特点是内部结构基本裸露,学生观察时一目了然,组装方便。
Ballasts that light fluorescent tubes and devices that show the presence of eddy currents turned out to be two sets of instruments. At the same time, commercially available fluorescent lamp ballasts are sealed with insulating glue and steel, students can not see the internal structure, it is not intuitive. In order to facilitate the operation of the demonstration, enhance the demonstration effect, to achieve a multi-purpose, designed and produced the ballast - swirler. It is characterized by the basic bare internal structure, students at a glance observation, easy assembly.