An Integrated Test Device with Three Tanks for Infrared Thermometers
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摘要: 针对红外体温计(包括红外耳温计、红外额温计)检定规程更新及疫情期间检测量较大等情况,设计和研究了一种三槽一体式红外体温计检测装置,利用暗道式设计增大恒温槽液体循环率,螺纹压盖式设计使黑体空腔方便拆卸保存,利用触摸屏控制器通过RS-485同时控制三个槽体的温度,并提供了一键控制、修正等附加功能。对装置整体测试表明,装置具有良好的控温稳定性和温场均匀性,较高的亮度温度准确度,同时提高了检测工作效率。Abstract: In view of the revision of the verification regulation for infrared thermometers, including infrared ear thermometers and infrared forehead thermometers, and the enormous demand for testing during the epidemic, a integrated test device with three tanks for infrared thermometers was developed. A dark channel was used to increase the liquid circulation rate of thermostatic bath, and a screw cap was used to make the blackbody cavity easy to disassemble for storage. A touchscreen controller was used to control the temperature of the three tanks simultaneously through RS-485, with additional functions such as one-key control and correction provided. The overall testing of the device showed that the device has good temperature stability and temperature field uniformity and high accuracy of brightness temperature, and can greatly improve testing efficiency.
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Key words:
- infrared thermometer /
- test device /
- brightness temperature
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表 1 装置整机检测数据
Table 1. Test data of the device
槽体序号 标准铂电阻
实测值(℃)水槽性能 亮度温
度(℃)均匀性
(℃)稳定性
(℃/10min)1 29.998 0.011 0.008 29.97 33.997 0.010 0.007 33.97 35.002 0.010 0.005 34.98 37.003 0.008 0.005 36.98 38.002 0.009 0.006 37.98 41.497 0.010 0.007 41.46 2 29.999 0.011 0.008 29.97 33.998 0.010 0.007 33.97 2 34.998 0.010 0.005 34.97 36.999 0.008 0.005 36.97 38.001 0.009 0.006 37.98 41.498 0.010 0.007 41.46 3 29.998 0.011 0.008 29.97 34.001 0.010 0.007 33.97 35.003 0.010 0.005 34.98 36.998 0.008 0.005 36.97 38.003 0.009 0.006 37.98 41.497 0.010 0.007 41.46 -
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