Humidity control structure of the utility model discloses a humiture test box, which includes verification box work area, the gas in the work area through the dryer to get dry gas, dry gas temperature after adjustment into the work area, the air into the saturator to get saturated moisture, adjust temperature, moisture into the work area, adjusting the ratio of dry air and moisture, can make the temperature and humidity reaches the stable set value. The utility model adopts the shunt method to send air, can well control the humidity in the working area, through the circulating water temperature and water protection zone temperature stability. The utility model combines the advantages of some existing humiture test box, wide range of testing temperature and humidity in the 5 to 50 degrees Celsius temperature range from 10 to adjust the humidity at any point 95%RH, and the humidity fluctuation is less than 0.8%RH, better than the national regulations 1%RH.
【技术实现步骤摘要】
【技术保护点】
一种温湿度检定箱的湿度控制结构,它包括检定箱的工作区(1),其特征在于:在检定箱内设有风机(2),风机(2)的出口连接管道(3),管道(3)穿过恒温水箱(5)后连接至工作区(1)的接口(8),在工作区(1)上设有循环管道(15),循环管道(15)连接至风机(2)的进口;在检定箱内设有风机(20),风机(20)通过管道连接饱和器(6),饱和器(6)上连接湿气管道(7),湿气管道(7)穿过恒温水箱(5)后连接至工作区(1)的接口(8)。
【技术特征摘要】
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