| 摘要 |
PURPOSE: A heating hat is provided, which makes the head including the ear of the people doing outdoor activity warm. CONSTITUTION: A heating hat comprises a hat, an electrical heating device installed inside a hat, a protection helmet, or a helmet. Aluminum paper is installed at the ear sectional height of the personal head for heat conduction in the liner of the protective helmet or helmet. A heat transfer member like the heating wire is arranged in zigzag. The both ends of the heat transfer member is connected to the power supply unit. The left-right length is not over the ear of the personal head. |
