Automotive electronic water pumps are micro water pumps commonly used in new energy vehicles, recreational vehicles, and other special vehicles for water circulation, cooling, or on-board water supply systems. These micro self-priming water pumps are collectively referred to as automotive water pumps. The circular motion of the motor drives a mechanical device to make the diaphragm inside the pump move back and forth. This compresses and stretches the air within the pump chamber (which has a fixed volume). Under the action of a one-way valve, positive pressure is generated at the discharge port (the actual output pressure depends on the resistance at the discharge port and the characteristics of the pump), while a vacuum is formed at the suction port, creating a pressure difference with the external atmospheric pressure. Driven by this pressure difference, water is forced into the inlet and then discharged from the outlet. Powered by the kinetic energy transmitted by the motor, water is continuously drawn in and discharged, forming a relatively stable flow rate.
