Microprocessor controlled peltier heat exchanger especially for heating and cooling aquaria and fluids and gases controls semiconductor bridges and or electromechanical relays

摘要

A microprocessor-controlled (6) Peltier (2) heat exchanger (1), especially for heating and cooling aquaria and fluid and gases in laboratories comprises controlling a semiconductor bridge circuit and/or electromechanical relays to give heat exchange between the exchanger and a medium flowing through it.