Original source: Talk about the six indispensable system editing of constant temperature and humidity box: Lin frequency instrument
The six major systems of constant temperature and humidity chambers are control system, heating system, refrigeration system, air circulation system, humidity system and sensor system. Today, Lin Wei Xiaobian will come to talk with everyone.
Control system: refers to the management system consisting of the control subject, the control media and the control object with its own goals and functions; it is the core system of the device, which determines the important parameters such as the heating rate and accuracy of the constant temperature and humidity test chamber. In general, we use the Japanese "Easy Control" instrument, which is easy to operate and has remote operation function.
Refrigeration system: This is one of the key parts of the comprehensive test chamber. It is slightly more complicated than the heating system. It is mainly composed of two parts, namely the high temperature part and the low temperature part. It uses the French original “Taikang†compressor.
Air circulation system: consists of a centrifugal fan and a motor running on the drive, which provides the internal air circulation of the device.
Humidity system: The temperature system is divided into two subsystems: humidification and dehumidification. The humidification method generally adopts the steam humidification method, that is, the low pressure steam is directly injected into the test space to humidify; there are two kinds of dehumidification methods: mechanical refrigeration dehumidification and dry dehumidification.
Sensor system: A sensor is a detection device that can sense the information being measured, and can transform the sensed information into an electrical signal or other required form of information output to meet the information transmission and processing. Storage, display, recording and control requirements; temperature sensor applications are more platinum power and thermocouple; humidity measurement methods are two: dry and wet bulb thermometer method and solid state electronic sensor direct measurement method.
Heating system: The heating system is a relatively simple system, generally using titanium alloy electric heating heater, which is more resistant to corrosion than the previous nickel-chromium alloy.
The above is some system points about the constant temperature and humidity box, I hope to help everyone.
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