| 摘要 |
PURPOSE: A hot water circulation device for a hot water mat is provided to circulate hot water in a mat by a heater in case of damage to pumps. CONSTITUTION: A hot water circulation device for a hot water mat comprises a hot water tank(10), a heating unit(20), a check valve(30), and a pump(40). The hot water tank stores circulating water and comprises an outlet and an inlet. The check valve is formed on the outlet of the hot water tank. The heating unit comprises a pipe and a heater. The heater is formed on the outer surface of the pipe. The pump comprises a housing, a shaft, an impeller and a coil part. The housing comprises a first inlet and a first exit. |
