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1999年,夏国华发现家用抽油烟机使用一段时间后,内部及其元件上都会附着一层厚厚的油垢,若不及时清理,油垢形成的油滴就会滴在窗户外、灶台上,炒菜时甚至滴入油锅内,油污中含有大量的致癌成分。频繁的拆卸、清洗,不但费时、费钱,还会使油烟机的密封性及动平衡遭到不同程度的破坏,造成漏油、噪音大、抖动、抽风量降低等问题。能不能设计出一套装置,既不用清洗抽油烟机,又防止油污排除后污染外窗呢?秋冬季节很多人都带着口罩,这给他们很大的启发。能不能给各式的抽油烟机也统一带个“口罩”呢?突发的念头激励着他们立即着手画图设计,适用各种材料,设计各种样式。
In 1999, Xia Guohua found that domestic use range hood for some time, the internal and its components will be attached to a thick layer of grease, if not cleaned up, oil droplets formed by grease will drop in the window, the stove, cooking Even dripping into the pan, the oil contains a lot of carcinogenic ingredients. Frequent demolition, cleaning, not only time-consuming, costly, but also make the hood of the sealing and balancing have been destroyed to varying degrees, resulting in leakage, noise, jitter, exhaust ventilation and other issues. Can not design a set of devices, neither to clean the hood, but also to prevent pollution of the window outside the window after the removal of it? Many people in autumn and winter masks, which gives them a great inspiration. Can also give a variety of range hoods with a unified “masks”? Suddenly motivated them to immediately start drawing design, for a variety of materials, design a variety of styles.