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摘要：随着生活水平的不断提高，人们对海鲜水产品的质量的要求也越来越高，尤其是对鲜活的海鲜海水产品的需求越来越多，但要把鲜活海产品运到内地，供应各城市的海鲜酒家，其路程很长。因此，搞好活体水产品运输使人们能吃到鲜活的海鲜水产品，是必然的要求。随着微机测量和控制技术的迅速发展与广泛应用，以单片机为核心的控制系统的研发与应用在很大程度上提高了水产品运输中环境因素的控制水平。本设计论述了一种以STC89C52单片机为主控制单元，以DS18B20为温度传感器、以极谱型复膜氧电极传感器为溶解氧传感器的控制系统。系统设计了相关的硬件电路和相关应用程序。硬件电路主要包括STC89C52单片机、测温电路、温度采集模块、溶解氧采集模块、超限报警模块、加热模块、降温模块、增氧模块、按键以及显示模块等模块。系统程序主要包括主程序，读出温度/氧浓度子程序，计算温度/氧浓度子程序、按键处理程序、LCD显示程序。8604
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关键词： 活体水产品运输装置；单片机；自动监控系统
The live aquatic long-distance logistics monitoring system
Abstract : With the continuous improvement of living standards, people's requirements about the quality of seafood aquatic are also increasing. Especially for fresh seafood products more and more demand for the product. But the way to the mainland to supply the city's seafood restaurant is a long distance. Therefore, it is a inevitable requirement to do a good job to make people to eat fresh seafood aquatic products. With the rapid development of computer measurement and control technology's wide application, Microcontroller as the core of the control system development and application of aquatic transport has greatly improved the level of control of environmental factors. This design paper presents a control system which regarded the STC89C52 microcontroller as the based control unit, the DS18B20 as the temperature sensor, the polarographic type LAMINATING oxygen electrode sensor as the oxygen sensor control system. The system is designed the hardware circuit and associated applications. The hardware circuit includes STC89C52 microcontroller, temperature measurement circuit, temperature acquisition module, dissolved oxygen acquisition module, the limit alarm module, heating module, cooling module, oxygen module, keys and display module and other modules. System program includes the main program, the read temperature / oxygen concentration subroutine to calculate the temperature / oxygen concentration in the subroutine, key processing program, LCD display program.
Keywords: live aquatic transport units; microcontroller; water temperature Dissolved oxygen Automatic monitoring system
目 录
1 绪论 1
1.1 课题的来源及背景 1
1.1.1 现实意义 1
1.1.2 学术意义 2
1.2国内外发展概况 3
1.2.1水产品运输中的影响因素 3
1.2.3 国内外发展 5
1.3论文研究内容及结构 6
2 水产品监控系统的总体设计 7
2.1 水产品运输中关键的两个因素 7
2.1.1 环境温度的影响 7
2.1.2溶解氧浓度的影响 7
2.2 水产品监控系统的设计要求 7
2.3 水产品监控系统的总体设计 8
3 水产品监控系统的硬件设计 8
3.1基于STC89C52的单片机系统 8
3.1.1单片机介绍 8
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