The warm air water valve is the warm air switch of the automobile heater. The working principle of the automobile heater is that the radiator in the heater is connected with the circulating water of the engine through the water inlet and outlet pipes, and the water valve is a switch: when the water valve is opened, the water channel is connected, the circulating water of the engine enters the radiator, and the fan blows heat into the cab; On the contrary, the water valve is closed and the warm air doesn't work.
Extended data:
The center of the valve body is provided with a valve stem, the part of the valve stem extending out of the valve body is bent, the end of the bent part is sleeved on the connecting rod of the vacuum capsule assembly, and the valve stem rotates with the change of the vacuum degree of the vacuum capsule; A valve plate is fixed on the valve stem, and the valve plate is an oval metal plate, and its shape and size match the inner wall of the valve body, so as to adjust the temperature of the outlet water with the rotation of the valve stem and reverse the temperature.
The warm air water valve comprises a valve body, a valve cover, a valve plate and a vacuum diaphragm box assembly; The vacuum diaphragm box assembly is fixed with the valve body; The valve body is a four-way pipeline structure, which is provided with a drainage pipe, a water outlet pipe and a cold water inlet pipe, and the upper part is connected with a valve cover, which is connected with a warm water inlet pipe, and is fixedly connected with the valve body in a sealed manner.
Reference source: Baidu Encyclopedia-Warm Valve