Dynamic constant temperature and constant pressure electric water heater controller

The utility model discloses a dynamic thermostatic and constant pressure hot-water controller, which comprises a water inlet, a temperature control circuit, a main heater, a temperature sensor, a water outlet, a main power supply, a micro-motor, a variable speed component, an IC controlling main board, a numerical display screen, a low pressure adapter, and an ac contactor, wherein the temperature control circuit is composed of a mechanical permanent-flow valve which is arranged inside of the water inlet, a control valve which is controlled by the temperature and can regulate the flow forward and reverse, and a water-pressure detector. The utility model has the advantages of that the purpose of keeping constant temperature and constant press without the monitoring by the workers can be achieved, the automatic temperature control is veracious, the utilization is convenient, the structure is simple, the boiling is fast and the energy can be saved. Besides, the utility model is safe and reliable. The utility model can be used in the water heater, the drinking water dispenser, the disinfection machine or the like.