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而其中最關鍵的是制冷系。有效的青島理工大學琴島學院本科畢業(yè)設計說明書(論文) 2 解決的目前電冰箱使用過程中的一些 問題。當冷藏室使用較頻繁時,冷藏室的感溫頭不斷通知壓縮機啟動。 另外,冷藏室、冷凍室被迫同時制冷,各間室溫控結(jié)果是 “ 控高不控低 ” 。 然而,目前市場上出售的冰箱還存在一些不足。1.以人為本 漸趨時尚、個性化。 冰箱的發(fā)展趨勢及其不足 自 1923 年世界第一臺冰箱誕生以來,人們的生活越來越離不開冰箱,尤其是進入九十年代,冰箱的發(fā)展越來越快。根據(jù)所要求的范圍來控制壓縮機、加熱絲等外部器件的動作。 本文就是利用本專業(yè)知識,開發(fā)出一種適合市場需要的單片機溫度控制系統(tǒng)家用智能電冰箱的主控板。有人曾經(jīng)預言: 21 世紀將是智能家電的世紀。 29 結(jié) 論 ............................................................................................... 32 致 謝 ............................................................................................... 33 參考文獻 ............................................................................................... 34 附 錄 ............................................................................................... 35 青島理工大學琴島學院本科畢業(yè)設計說明書(論文) 1 1 緒 論 課題的提出及意義 在當今科技迅速發(fā)展,人們生活水平迅速提高的文明社會里,家用電器越來越受到 人們的重視。 28 冷凍室溫度控制 24 主程序 23 5 電冰箱控制系統(tǒng)的軟件設計 ............................................................ 24 編程思路 18 系統(tǒng)總原理圖 17 溫度檢測電路 13 按鍵顯示電路 13 制冷部分電路 12 時鐘震蕩電路 7 4 電冰箱控制系統(tǒng)硬件設計 ................................................................ 12 供電直流電源 6 PIC 單片機的分類 3 設計方案 3 設計思想 1 2 溫度控制系統(tǒng)總體設計方案 .............................................................. 3 電冰箱工作原理 s living standards further improved, the multifunctional development of increasingly high demand. As the MCU performance is good, strong control function, reliable work, low cost and other advantages, is now in the home appliance products has been widely used. Facing the domestic refrigerator development present situation, the technique is pared with other developed countries have a certain gap, we in the original basis of the refrigerator is improved, making it suitable for use in contemporary fashion, energy saving and environmental protection, intelligent, precise temperature control of the development mode, make people experience have never even heard of it personalized feeling, fast and the original is no longer a dream. A new generation of products in control also increased in artificial intelligence, is home appliance of superior performance, the use of more convenient and reliable. Refrigerator temperature control system is the use of temperature sensor acquisition of refrigerator and freezer room temperature and evaporation the use of MCU in digital signal processing, so as to achieve the purpose of intelligent system may realize the electric refrigerator refrigerator and freezer room temperature setting, refrigerator automatic defrosting, the door alarm function. 青島理工大學琴島學院本科畢業(yè)設計說明書(論文) III The design of the second chapter discusses the hardware design third chapter discusses the system software design. Based on the direct cooling type refrigerator cooling system improvement and using fuzzy control technology to realize the refrigerator, double temperature double control, make refrigerator according to use conditions change rapidly and reasonably adjusting cooling capacity, and the energy saving effect is good. Key words: Single chip puter, temperature sensor, refrigerator, temperature control 青島理工大學琴島學院本科畢業(yè)設計說明書(論文) 目 錄 摘 要 .................................................................................................. 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