3. The overall structure and composition of the comprehensive test chamber (1)

Three comprehensive test chamber is divided into the following major parts: main box body part, air circulation part, humidification part, refrigeration part and control part. Let's take a brief look at the overall structure and composition of the temperature and humidity vibration box.

1. Main box structure: the outer wall material of the box is made of plastic-sprayed steel plate, the inner wall material is imported SUS304 stainless steel plate, filled with glass wool + polyurethane foam plastic insulation, the box is equipped with a movable bottom plate for the equipment to be connected to the vibration table In use, a flexible sealed connection is used between the vibration table and the bottom plate of the cabinet.

2. Refrigeration system: The refrigeration part is the main part of the cold source generated by the equipment. It provides the required cooling for the equipment's temperature reduction, low temperature, constant temperature and damp heat. According to the different test status of the equipment, the refrigeration system is automatically turned on for the corresponding test process Provide cooling capacity, so as to achieve the purpose of meeting the performance indicators of the equipment.

The refrigerating compressor group of the refrigeration part is composed of imported Copeland semi-closed disc valve compressors to form a binary cascade refrigeration unit. The refrigerant is R404A and R23, and the evaporator is a copper tube aluminum sleeve sheet structure.

3. Humidification and dehumidification system: the electrode steam humidifier is used for humidification, and the Taikang brand air-cooled condensing unit is used for dehumidification. The dehumidification evaporator is a copper tube aluminum jacket type structure, and the low humidity adopts a rotary dehumidifier to adsorb and dehumidify.

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