| 摘要 |
PROBLEM TO BE SOLVED: To improve the function of a device by forming a surface of one or more transparent plate material fitted in the inside of a sash frame with a heat generating film arranged in the predetermined condition. SOLUTION: One or more plate material 2 made of glass or the like are fitted inside of a sash frame 4, and a surface of the plate material 2 at a room-inside A is coated with a thin film of a transparent and conductive heat generating film 3 made of the predetermined metal and/or metal oxide thereof oxidized with carbon and oxygen. Continuously, the heat generating film 3 is formed to a position near the sash frame 4, and the heat generating film 3 is electrified for heating so as to heat the sash frame 4, and the dew condensation is thereby prevented. In place of this method, the heat generating film 3 is made to contact with the sash frame 4 in the electrical insulating condition, and the heat generating film 3 is electrified for heating so as to directly heat the sash frame 4, and the dew condensation can be thereby prevented. With this structure, since the heat generating film reflects the heat ray so as to lower the transmitted variable in summer, the air cooling load can be reduced, and in winter, the heat generating film is electrified for heating so as to prevent the generation of cold draft, and the air warming load can be reduced, and furthermore, generation of dew condensation is prevented so as to maintain the comfortable room-inside environment. |
