How does the imported Ruijie heating air and water valve work?

The imported Ruijie heater water valve is the switch of the car heater. The working principle of the car heater is that the radiator inside the heater is connected to the circulating water of the engine through the inlet and outlet pipes. The size of the engine cooling water circulation and the circulation route of the cooling water. The thermostat can make the cooling water have three circulation routes: small circulation, large circulation and mixed circulation. Generally, when the engine water temperature is between 76 and 86 degrees Celsius, the thermostat The main valve and bypass valve are both partially open.

The working principle of the wax thermostat

Paraffin wax at normal temperature will generally appear as a solid substance. Only when the engine water temperature is 349K (76℃), the main valve is completely closed. When the through valve is fully opened, the water from the engine cylinder head will completely pass through the bypass pipe and directly enter the water pump, so it is called a small circulation of the water valve. However, since the water only flows between the water valve and the water jacket of the engine, it will not After passing through the radiator, its flow rate is small and therefore the cooling intensity is weak.