| 摘要 |
The present invention relates to an electric water heater having a self-regulating surface heating element, wherein the temperature can be accurately controlled within a particular temperature range; the water in the hot water tank can be heated rapidly and the high water temperature can be maintained as the self-regulation heating element (SR heating element), which can temporally self-regulate power and temperature, and maintain a uniform temperature; and the power usage can be significantly reduced as the water temperature can be sustained with only a minimum of power supply when the water has heated beyond a set boiling point. The electric water heater comprises: a hot water tank provided with a cold water inlet and a hot water outlet; and an SR heating element, which is disposed in the hot water tank, is formed from a hardened paste mixture of an electrical resistance material, an insulation binder and a temperature control material, generates heat with supplied power, and is self-regulates the temperature so that the temperature is uniformly maintained within a defined range. |
