Passive phase-change water heating blanket

The utility model discloses a passive phase-change water heating blanket which is characterized by comprising a bottom layer, a water heating layer, a phase-change protective layer and an outer layerwhich are sequentially stacked from bottom to top, the bottom layer and the outer layer are both made of pure cotton, and the water heating layer comprises silicone tubes laid below the phase-change protective layer in an S shape; the phase change protection layer comprises a combed cotton layer, and phase change microcapsules are sprayed on the combed cotton layer. The water heating blanket has the advantages of being reasonable in structural design, capable of continuously stabilizing the temperature of the water heating blanket, reducing discomfort of a user, improving sleeping comfort andthe like. 本实用新型公开了一种被动式相变水暖毯，其特征在于，包括由下向上依次层叠设置的底层、水暖层、相变保护层和外层，所述底层和外层均采用纯棉制作，所述水暖层包括呈蛇形铺设在所述相变保护层下方的硅胶管；所述相变保护层包括精梳棉层，所述精梳棉层上喷涂有相变微胶囊。本实用新型具有结构设计合理，能够持续稳定水暖毯的温度，降低使用者的不适感，提高睡眠舒适性等优点。