Sensing type intelligent solar water heater provided with water inlet overflow check valve

The utility model discloses a sensing type intelligent solar water heater with a water inlet overflow check valve. The sensing type intelligent solar water heater comprises a water inlet pipe, a heat collector, a water tank, the overflow check valve and a sealing valve. The water inlet pipe is connected to one end of the heat collector, the head end of the water inlet pipe is connected with a water inlet switch, and the other end of the heat collector is connected to the water tank. The anti-overflow valve is connected to the top end of the water tank, a sealing channel is arranged at the bottom of the anti-overflow valve, and a communicated exhaust channel is arranged above the sealing cavity; a bottom opening of the sealing channel is positioned on the inner side of the water tank; the sealing valve is located in the sealing channel and can move up and down in the sealing channel. The top end of the sealing channel is a sealing face, a sensor is connected to the portion, on the side of the sealing face, of