Device with controllable Peltier element has control circuit for operating Peltier element(s) in cooling or heating mode; side of Peltier element(s) facing working surface is cooled or heated

摘要

The device has an outer housing (1) containing a fan (3), an air guidance housing (5) connected to the fan and at least one Peltier element, a working surface (12) connected to at least one Peltier element and a control circuit (15) for operating the Peltier element(s) either in a cooling mode or in a heating mode, whereby the side of the Peltier element(s) facing the working surface is cooled in cooling mode and heated in heating mode.