The box body of temperature and humidity vibration test box adopts a block structure for on-site installation: the whole test box is composed of the test box body, air duct system, heating system, refrigeration system, electrical control cabinet, and refrigeration unit, and the refrigeration unit is placed behind the test box At the same time, it is easy to install the equipment, and an independent electrical control cabinet is used for easy operation. The inner wall of the test box is made of SUS304 stainless steel plate, the outer shell of the box body is formed by cold-rolled steel plate, and the surface is electrostatically sprayed after pickling and phosphating. The thermal insulation material of the box body is made of flame retardant polyurethane foam and glass fiber cotton, which has good thermal insulation effect, and the outer surface of the test box is not frosted or dew. The door of the test box is sealed with environmentally friendly silicone rubber strips, which is resistant to high and low temperatures, anti-aging, and has good sealing performance. In order to prevent condensation or frost on the edge of the door frame and the door during the low temperature test, the edge of the door frame and the door is provided with an electric defrosting device. There is an overflow hole at the bottom of the box body, which can collect the condensate in the box and discharge it out of the box. A water receiving tray is provided at the bottom of the compressor, and the water generated by the frost of the compressor and the low-temperature pipeline is collectively discharged outside to avoid being scattered on the ground. The control panel is formed by a special mold at one time, which is beautiful and elegant. It is convenient to install. The front of the box is provided with a multi-layer hollow resistance film heating anti-frosting glass observation window. The test box is equipped with a switchable lighting lamp for observation.
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