摘要
保鲜配送环境中温度是保障果蔬品质的重要因素。以半导体制冷式果蔬配送箱为研究对象,设计基于AVR系列ATmega16微处理器为核心的控制系统。该控制系统基于ICCV7for AVR开发环境,通过C语言进行软件编程,采集果蔬配送箱的保鲜环境温度与半导体制冷器散热系统水温,使用双限值控制方法,控制半导体制冷器、风机、水泵等执行机构工作,实现对半导体制冷式果蔬配送箱保鲜环境的温度调控和散热系统高温保护。试验结果表明:该控制系统能实时获取果蔬配送箱内保鲜环境温度与半导体制冷器散热系统水温的动态变化,根据控制逻辑精确、有效地进行执行机构控制,系统工作可靠、稳定。
Preservation of environment temperature is an important factor to protect distribution quality of fruits and vegetables.In this paper,distributed cabinet based on thermoelectric cooler（TEC）for fruits and vegetables was studied while control system based on ATmega16 microprocessor of AVR series was designed.By using ICCV7 for AVR software platform and C program,software of control system was researched.After ambient temperature of distributed cabinet and water temperature of TEC system were acquainted,executions such as TEC,fans and pumps were control automatically by using a dual limit control methods.Persevered temperature of distributed cabinet and high temperature protection of TEC system was realized.The results showed that control system could collect real-time monitoring parameters effectively and control executions according control logic,and the system is reliable.
出处
《食品与机械》
CSCD
北大核心
2017年第1期128-132,共5页
Food and Machinery
基金
现代农业产业技术体系建设专项资金(编号:CARS-33-13)
国家科技支撑计划项目课题(编号:2013BAD19B01)
关键词
果蔬
保鲜
半导体制冷
控制系统
fruit and vegetable
preservation
thermoelectric cooling
control system
