| 马广顺,马振库,赵云峰.大型低温环境试验室制冷系统设计[J].装备环境工程,2013,10(2):96-98,108. MA Guang-shun,MA Zhen-ku,ZHAO Yun-feng.Design of Refrigeration System for Large Environmental Test Chamber[J].Equipment Environmental Engineering,2013,10(2):96-98,108. |
| 大型低温环境试验室制冷系统设计 |
| Design of Refrigeration System for Large Environmental Test Chamber |
| 投稿时间：2012-10-13 修订日期：2013-03-01 |
| DOI： |
| 中文关键词: 环境试验 冷负荷计算 复叠制冷 复合降温 |
| 英文关键词:environmental test cooling load calculation overlapping refrigeration compound cooling |
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| 中文摘要: |
| 分析了大型低温环境试验室制冷技术的现状，提出了基于复叠式制冷的复合降温方式。通过冷负荷计算，确定了制冷系统核心设备制冷机组压缩机的选型，采用基于PLC的PID控制系统，实现了试验室温度参数的精确控制。 |
| 英文摘要: |
| Current situation of refrigeration technology of large low temperature environmental test chamber was analyzed, and compound refrigeration system based on overlapping refrigeration was put forward. Compressors were selected through cooling load calculation. Precise control of environmental test chamber temperature was realized with PID control system based on PLC. |
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