Theory and Method
Refrigeration loop control
The system regulates coolant temperature through a refrigeration cycle built around key components such as the compressor, condenser, expansion valve, and evaporator, coordinated with sensors and a controller. Temperature is adjusted by managing the refrigeration loop and fluid circulation so the coolant tracks the setpoint under changing heat loads.
PID-based intelligent temperature regulation
A PID fuzzy control strategy helps reduce overshoot and improve stability when load conditions change. The controller supports temperature curve display and recording on a touchscreen interface for process documentation.
Control targets and ΔT management
You can select the control target as either process/material temperature (with an external sensor) or heat-transfer fluid outlet temperature. The system can also manage the temperature difference between the vessel jacket and the process material, which helps prevent thermal shock and supports controlled ramping.
Temperature feedback points
Temperature feedback uses PT100 sensing for multiple points, including internal, outlet, and external process temperature (via an external sensor) to support stable closed-loop control.
