Intelligence water conservation switch based on memory alloy

The utility model provides an intelligence water conservation switch based on memory alloy, including first valve and second valve, first valve includes valve body, memory alloy spring and sleeve, sleeve and memory alloy spring mounting are in the valve body, and the one end of memory alloy spring is connected with the valve body, and the other end is connected with telescopic open end, the return water mouth of valve body communicates with the return water mouth on the sleeve, the second valve includes second valve body, the 2nd memory alloy spring, biasing spring and second sleeve, and the 2nd memory alloy spring, biasing spring and second sleeve are installed in the second valve body, and the telescopic both ends of second are connected with the both ends of second valve body through the 2nd memory alloy spring and biasing spring respectively, two water inlets on the second valve body respectively with second sleeve lateral wall on two water inlets intercommunication, the delivery port of valve body passes through the water inlet intercommunication on connecting pipe and the second valve body. The utility model discloses a remain the recovery of the cold water in the hot -water line, avoided the waste of water resource, practiced thrift the water resource.