畢業(yè)設(shè)計(jì)(論文)-基于plc的電阻爐控制設(shè)計(jì)-展示頁(yè)
2025-06-18 14:27本頁(yè)面
【正文】 temperature control system in software and hardware aspects. Taking FP0 series PLC as control core, this system can carry out heating process for metallic materials while ensure electrical installations operate stably accordance with the design requirements using the powerful function of PLC. The system also uses touch screen instead of the ordinary push button, enhance the interaction between human and puter. It can modify the numerical value in the program segment freely, and realize the optimization of heating process by automatic tracking and monitoring during heating treatment process. The system has the following advantages as simple external circuit, high control accuracy, high puting speed, low power consumption and miniaturization. Keywords: PLC, Touch Screen, Resistance Furnace, Temperature Control 目 錄 1 緒論 ............................................................................................................................ 1 2 總體設(shè)計(jì)方案 ............................................................................................................ 2 PLC 和單片機(jī)的比較 ...................................................................................... 2 系統(tǒng)結(jié)構(gòu)圖及說(shuō)明 .......................................................................................... 2 設(shè)計(jì)要求 .......................................................................................................... 2 3 電阻爐的選擇及改造 ................................................................................................ 3 電阻爐的選擇 .................................................................................................. 3 電阻爐的改造 .................................................................................................. 3 電阻爐爐蓋部分的改造 ........................................................................ 3 電阻 爐內(nèi)升降臺(tái)的改造 ........................................................................ 4 溫度傳感器類(lèi)型及選擇 ............................................................................... 4 A/D 模塊的選擇 ............................................................................................ 5 4 PLC 選擇及接線圖 .................................................................................................... 6 PLC 類(lèi)型及選擇 .............................................................................................. 6 I/O 口的分配 .................................................................................................... 7 PLC 外部電路圖 .............................................................................................. 8 5 各部位工作原理及其梯形圖程序 ............................................................................ 8 爐蓋工作原理及梯形圖 .................................................................................. 8 爐蓋液壓回路的設(shè)計(jì) ............................................................................ 8 二位四通換向閥接線圖 ........................................................................ 9 爐蓋打開(kāi)關(guān)閉的梯形圖 ........................................................................ 9 升降臺(tái)工作原理及梯形圖 .............................................................................. 9 升降臺(tái)電機(jī)的選擇 ................................................................................ 9 電機(jī)接線圖 .......................................................................................... 10 升降臺(tái)上升下降的梯形圖 .................................................................. 10 蜂鳴器鳴叫工作原理及梯形圖 .................................................................... 11 LED 燈閃爍工作原理及梯形圖 .................
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