烟叶烘烤系统设计.doc

摘　要目前，烟叶的生产方式已由传统的零散型向集约型、农场型转化，烤房也由传统的土炕向大型烤房方向发展。烟叶成熟采摘后必须经过烘烤加工才能制成工业用烟。这个烘烤过程一般需要几十个小时，完全由人工控制烤房燃烧室的火车并监测烤房温度，所以烟农劳动强度很大；而且不能精确控制烤房内的温湿度，也不能对烤程精确计时，使烤出的烟叶工业利用率较低。烟区已广泛推广烟叶初烤的“三段式烘烤工艺”，并且大多数炕房已加装热风循环装置。为了提高烟叶的初烤质量，烤房的温湿度的测量方法、控制方法和精度等诸多方面需要得到改善和提高。介绍了利用模糊控制技术研制的基于单片机的KF-1型烟叶烤房温湿度控制仪的软硬件设计。本控制仪使烤房内的温湿度按照烟叶最佳生化控制曲线而变化，从而提高了烤房内温湿度的控制精度和烤烟质量。 　　关键词：单片机模糊控制技术温度控制 ??? Currently, the mode of production of tobacco leaves already from tradition of zero spread a type a conversion toward the intensive type, farm type, roast building also from tradition of soil Kang to large roast a building direction development.The tobacco leaves is after ising mature to pick have to process bake to process then can make into industry use smoke.This bake the process be general to need several ten hours, complete from artificial control roast building combustion room of train combine the monitor roast building temperature, so smoke agriculture labor strength very big;And cant the precision control roast the degree of humidity in the building, also cant to roast a distance precision account, make tobacco leaves of roast industrial the utilization be lower.Now smoke area already extensive expansion tobacco leaves beginning roast ofthree type bake craft, and majority the Kang building have already add hot breeze circulation equip.For the sake of exaltation tobacco leaves of beginning roast quality, roast the degree of humidity of building of measure method, control the method and accuracy etc. be various various demand get improvement and exaltation.Introduction in text make use of misty control the technique develop of according to list slice the type KF-1 tobacco leaves of the machine roast building degree of humidity control instrument of soft hardware design.This control instrument make to roast the degree of humidity in the building the best bio-chemical control is according to the tobacco leaves curve but variety, thus exaltation roast the degree of humidity in the building of contr