基于plc抽水泵控制系統(tǒng)設(shè)計(jì)-展示頁(yè)
2024-11-19 21:48本頁(yè)面
【正文】 s a small flow pump, water pump during the night hours automatically switch to pay the pump, to keep the system pressure basically unchanged). The main disadvantage of pressure tank is pressurized tank volume is small, can not meet the fire water storage problems, generally as a regular pressure equipment of fire water supply system, water supply is generally used for highrise building pressure when the water pressure is insufficient, the minority floor. In order to guarantee the reliability of water supply, pump life into working pump and standby pump, when the pump failure, the standby pump should be able to automatically put into use. In order to prevent the pump long time operation, set the running time. When the time es, automatic switching to a pump to prevent pump, long time and rust do not die, must have perfect protection function. Key words： Water pump、 watersupply system 、 PLC、 Automatic control、 第一章 緒論 .................................................................................................................. 1 第一節(jié) 課題設(shè)計(jì)的目的及意義 .............................................................................. 1 第二節(jié) 設(shè)計(jì)的主要研究?jī)?nèi)容及安排 ...................................................................... 1 第三節(jié) 采用 PLC 控制的優(yōu)點(diǎn) .................................................................................. 2 第二章 系統(tǒng)設(shè)計(jì)總體方案 .......................................................................................... 4 第一節(jié) 設(shè)計(jì)思路 ...................................................................................................... 4 第二節(jié) 對(duì)擴(kuò)展模塊的選取 ...................................................................................... 5 第三節(jié) 系統(tǒng)工作原理 .............................................................................................. 5 第四節(jié) 方案分析 ...................................................................................................... 6 第三章 系統(tǒng) 硬件部分設(shè)計(jì) .......................................................................................... 8 第一節(jié) 水泵主電路 .................................................................................................. 8 第二節(jié) 器件型號(hào)的選取 .......................................................................................... 8 第三節(jié) 水泵的控制部分設(shè)計(jì) ...................................................................
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