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本文以密闭机柜冷却为研究对象,根据循环通风装置的主要技术指标,进行了循环通风装置降温除湿设计;在控制系统上采用了可编程控制器(PLC),冷凝回热与电加热相结合的方式进行温度控制,提高了自动化水平以及可靠性。通过实际运行数据分析证明了循环通风装置的应用价值和可推广性。
In this paper, the cooling of airtight cabinet is taken as the research object. According to the main technical specifications of the circulating ventilation device, the cooling and dehumidification design of the circulating ventilation device is carried out. A programmable logic controller (PLC) is adopted in the control system. The combination of condensation heat and electric heating Way to temperature control, improve the level of automation and reliability. The actual operation data analysis proves the application value and extendibility of circulating ventilation system.