The rapid temperature change test chamber is an environmental equipment that provides high and low temperature rapid changes in a short period of time. The temperature rise and fall rate is generally 5 to 10 ° C / min or faster, and is mainly used for electrician, electronics, communication, instrumentation, scientific research. Products such as fields for performance testing, screening or assessment of rapid temperature change environments are ideal environmental test equipment for scientific research, technology development, production and quality control. In addition to meeting the requirements of the temperature rise and fall rate, the rapid temperature change test chamber also has certain requirements for the rapid linear temperature change of the test box and the prevention of temperature overshoot and temperature stability. Therefore, the control system is proposed. High requirements.
In order to meet the rapid cooling and minimum temperature requirements of the ambient temperature in the rapid temperature change test chamber, the refrigeration system of the test chamber adopts the cooling mode of the cascade refrigeration cycle. The cascade refrigeration system consists of a high temperature refrigeration cycle system and a low temperature refrigeration cycle system, all using the principle of vapor compression refrigeration.
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