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氡室作为刻度测氡仪器的一种标准装置有着重要的应用,本文利用PCI-8408光隔离开关量输入输出接口卡作为数据采集接口,根据采集数据对氡室气路进行控制,并通过MCGS组态软件以设备驱动程序的方式控制继电器的状态,实现氡的自动补给和排放以及氡室内温湿度的智能控制。从而保证氡室内氡浓度的动态稳定性。
The radon chamber has an important application as a standard device for calibrating radon instruments. In this paper, the PCI-8408 optically isolated switch input / output interface card is used as a data acquisition interface, and the radon chamber gas path is controlled according to the collected data, and the MCG group The state software controls the state of the relay in the form of device driver to realize the automatic supply and discharge of radon and the intelligent control of the indoor temperature and humidity of the radon. Thus ensuring the radon indoor dynamic stability of radon concentration.