双恒压供水系统毕业设计

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1、攀枝花学院本科毕业设计（论文） 摘要 I 摘 要 该毕业设计 对环保、节能、自动补压型给水设备作了介绍。从 节能科技 的实践出发，阐述了 双恒压无塔供水系统在 给 高楼供 水设备中的应用。以 PLC 电路控制方式 ， 介绍了智能水压控制系统的工作原理及 PLC 控制系统。在分析水压控制的工作流程的基础上，给出了 PLC 控制系统的硬件和软件设计。智能水压控制系统的基本控制策略是：采用电动机调速装置与可编程控制器（ PLC）构成控制系统，进行优化控制 ， 完成供水压力的恒定控制，当 管网 流量变化来达到稳定的供水压力和节约电能 。 系统的控制目标是 总 泵的出口压力、系统设定的压力值和反 馈给水

2、压力实际值进行了比较 。 处理后的差 值 输入逆变器，发出控制指令，控制泵电动机的投运台数和运行变量泵电动机的转速，从而达到给水总管压力稳定在设定的压力值上。 关键词 PLC 控制器，压力传感器，变频器 PID 运算，双恒压供水。 攀枝花学院本科毕业设计（论文） ABSTRACT II ABSTRACT The graduation design of environmental protection, energy saving, automatic type pressure feed water equipment are introduced. Starting from the pr

3、actice of energy saving technology, and expounds the double constant pressure no tower water supply system for high-rise buildings water supply equipment application. Circuit with PLC control method, this paper introduces the working principle of hydraulic control system and PLC intelligent control

4、system. On the basis of analyzing the working process of the hydraulic control, PLC control system hardware and software design are given. Intelligent hydraulic pressure control system of the basic control strategy is: USES motor drive device and a programmable controller (PLC) control system, optim

5、ization control, complete water pressure constant control, when the network traffic variation to achieve stable water supply pressure and save power. Control objectives of the system is always pump outlet pressure, system pressure set value and feedback feed pressure compares the actual values. Afte

6、r treatment the difference between the input inverter, sends out control instructions, control stations and pump motor was put into operation of variable pump motor speed, so as to achieve stable water supply main pipe pressure on the set pressure value. Keywords PLC controller， pressure sensors， inverter PID arithmetic， the double constant pressure water supply.