原理:利用风扇产生的吸引力把蚊虫吸到网兜。首先将薄铁皮剪成风扇叶子,中心开一个小孔。然后把三个扇叶同一个方向扭成和原来平面成45度角。把扇叶安装到电机的轴上面,用硬纸板或者是薄铁皮做一个圆桶作为本吸蚊器的外壳。用泡沫制作把手,把电池放在把手之内,开关放在把手的外 Principle: Use the attractiveness of the fan to attract mosquitoes net pocket. First cut the thin iron sheet fan leaves, open a small hole in the center. Then twist the three blades in the same direction into a 45 degree angle to the original plane. Mount the blades above the shaft of the motor and use a cardboard or thin sheet metal to make a drum as the shell of the mosquito. Make the handle with foam, put the battery inside the handle and the switch outside the handle