The basic principle of mechanical thermostat is sealed within a certain medium heat pipe is connected with a corrugated box,medium heat tube because of ambient temperature and pressure changes, promote elongation or shortening corrugated box, thus promoting micro switch makes the compressor power on or off, adjust the position between the corrugated boxes and micro switch,can change the pressure triggered switch, also is the control of temperature change.
The working principle of refrigerator temperature controller is roughly as follows:The temperature of the refrigerator is measured by thermistor (temperature-controlled probe sensor). When the temperature of the refrigerator reaches the temperature of the set gear, the compressor power is disconnected. After the temperature rises, the compressor power is closed again
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