| 摘要 |
PURPOSE: A portable thermos bottle is provided to warmly keep food at a temperature in which a user desires for a long time and to improve the thermal efficiency. CONSTITUTION: A portable thermos bottle(100) comprises a container body, a surface heat radiating layer, a heat radiation protecting layer, a power supplying unit(180), and a controlling unit. The container body is composed of an outer wall and an inner wall. The outer wall forms an outer shape of a thermos bottle. The inner wall is formed in the inner side of the outer wall. The surface heat radiating layer is installed in the inside of the container body. The heat radiation protecting layer protects the surface heat radiating layer. The power supplying unit supplies power to the surface heat radiating layer. The controlling unit controls the power supplying unit so that the surface heat radiating layer radiates heat. |
