Head cooling unit

Abstract

This neck cooler is filled with a phase change material (PCM) that freezes at a specific temperature (e.g., 28°C) or below in multiple storage compartments that bulge out from the inside of the band-shaped member. It changes between solid and liquid states at that temperature, repeatedly absorbing and releasing heat, allowing for long-term cooling. The storage compartments are shaped like D-shaped blocks symmetrically arranged at both ends and in the center of the band-shaped member when viewed from the front, with multiple rectangular blocks arranged between the D-shaped blocks. Magnetic connectors are located on both ends of the band-shaped member, allowing the two ends to be easily connected.

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