Anti-freezing Apparatus for door of railway vehicle

摘要

PURPOSE: An anti-freezing apparatus for an entrance of a railway vehicle is provided to prevent freezing of an entrance door by supplying high temperature air into a heat transfer pipe embedded under a floor part of a railway vehicle. CONSTITUTION: An anti-freezing apparatus for an entrance of a railway vehicle comprises a heat transfer pipe(100), a high temperature air supply pipe(200), and a high temperature air supply part(300). The heat transfer pipe has a hollow pipe shape and is embedded under a lower rail body arranged on a floor part of an entrance to guide opening and closing of the entrance. One end of high temperature air supply part communicates with the heat transfer pipe. The high temperature air supply part supplies high temperature air to the high temperature air supply pipe.