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摘要随着社会的进步和人们生活水平的提高，水族箱已成为很多家庭的室内装饰。目前市场上的水族箱普遍需要人工控制加热和供氧，制作简易，但恒温效果差，寿命短，价格高。
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本设计系统将传感器技术、计算机技术、通信技术和虚拟仪器技术相结合，对水族箱水环境进行智能监测调控。能够实时监测当前水环境的pH值、溶解氧和水温情况，实现加热、加氧自动控制，水环境因子越限报警，并对温度和溶解氧含量进行智能调控，方便直观地对水族箱水环境进行调控。32497
水族箱水环境智能监测调控器设计分为下位机和上位机两部分，实现对水族箱水环境因子的自动监测和智能调控。下位机以单片机作为微处理器，通过传感器监测出温度、pH值、溶解氧含量等因子的参数值并把传感器采集到的信号传输给微处理器进行处理，当水环境因子达不到设定要求时，单片机通过驱动电路控制加热棒、加氧泵等设备进行调控。通过定时控制照明灯具工作时长。下位机通过RS-232与PC机之间进行通信，通过LabVIEW实现更好的人机交互。
毕业论文关键词： 水族箱 智能监测 调控器 LabVIEW
Abstract
With social progress and people's living standards improving, the aquarium has a variety of household interiors. Currently aquarium on the market generally requires manual control of heating and oxygen, making simply, but the thermostat is poor, short life, high price.
The design of the system sensor technology, computer technology, communications technology and virtual instrument technology, to intelligently monitor and regulate the aquarium water environment . Can monitor the current pH value of the water environment, dissolved oxygen and temperature conditions, to achieve the heating, automatic control of adding oxygen, to alarm the limit of water environmental factors, intelligently control the temperature and the content of dissolved oxygen, easily and intuitivly regulate the environment of aquarium water.
Aquarium water environment intelligent monitoring regulation is designed into lower computer and PC in two parts, to achieve the automatic monitoring environmental factors and smart regulation of the aquarium water . The next crew to the MCU as microprocessor, to monitor the parameters of temperature , pH, dissolved oxygen content and other factors through sensors and transmit the signal to the microprocessor for processing, when the water doesn’t reach the set of environmental factors when requested, the microcontroller via driving circuit which can controll the heating rods, adding oxygen pumps and regulate the other equipment . To control how long the lights work by timing. Using console computer to communicate between RS-232 and PC, to achieve better human-computer interaction through LabVIEW.
Keywords: aquarium intelligent monitoring governor LabVIEW
目 录
摘 要 I
Abstract II
1 绪论 1
1.1 研究背景与意义 1
1.2 国内外研究现状 1
1.3 研究目标与要求 2
2 系统设计方案分析论证 3
2.1 系统硬件结构总体设计方案 3
2.2 水温检测电路方案论证 4
2.3 溶解氧传感器选型论证 4
2.4 pH传感器选型论证 5
2.5 单片机选型论证 6
2.6 串口通信接口方案论证 6
2.7 时钟芯片选型论证 7
2.8 执行设备选型论证 8
3 系统硬件设计 10
3.1 单片机最小系统设计 10
3.2 时钟电路设计 11
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