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The automotive electronic water pump is a simple centrifugal pump and is an important component of the automotive engine cooling system.
The working principle of the automotive electronic water pump is that the circular motion of the motor causes the diaphragm in the automotive electronic water pump to reciprocate through the mechanical device, thereby compressing and stretching the air in the pump chamber. Positive pressure is generated under the action of the one-way valve, and a vacuum is formed at the air extraction port, creating a pressure difference with the external atmospheric pressure. Under the action of the pressure difference, water is forced into the water inlet and then discharged from the drain pipe. Under the action of the kinetic energy transmitted by the motor, water is continuously sucked in and discharged, forming a relatively stable flow rate.
The automotive electronic water pump is equivalent to a 12v or 24v electric coolant pump working in a car. It uses a motor to drive pressurized circulating fluid to help the car engine dissipate heat. As a new type of automotive water pump, the automotive electronic water pump emerged with the rapid development of automotive industry technology and related supporting facilities and devices. The electronic water pump is a core and important functional component of the cooling system of new energy vehicles. Its performance and quality have a great impact on the performance of the car.
Automotive electronic water pumps are widely used, mainly used in vehicle preheating systems, automotive engine cooling cycles, hydrogen fuel cell thermal management systems, new energy vehicle drive systems, electric vehicle battery cooling systems, pure electric vehicle buses and hybrid buses motor control cooling In various types of automobile circulation cooling and control systems such as circulation.
(1) The working pressure of automobile electronic water pump is high
The automotive electronic water pump is driven by a motor, so the pressure on the coolant is always high. The high enough pressure allows the automotive electronic water pump to deliver the coolant to various parts of the engine, allowing the automotive engine to be cooled better and faster.
(2) Automobile electronic water pump has low energy consumption
Car electronic water pumps only consume a small amount of energy to operate. Under normal circumstances, automobile electronic water pumps use a voltage output of 12V. When we use the electronic water pump, there is not much energy loss. The constant power also allows for an uninterrupted supply of coolant to the car's engine.
(3) Automotive electronic water pump has less friction
Compared with the working principle of a mechanical water pump, a car's electronic water pump does not have too much friction. The automotive electronic water pump is driven by a motor and will only run when the water pump is working. If certain conditions are not met, the automotive electronic water pump will remain dormant and ready at any time. Electric pumps also have fewer moving parts, saving space and reducing friction.
(4) Steam electronic water pump has low risk of water leakage
The risk of water leakage in automobile electronic water pumps is greatly reduced. The impeller of the mechanical water pump is press-fitted on the water pump bearing using an interference fit, while the integrated magnetic impeller of the electronic water pump is driven by a magnetic core installed in the water pump housing. This can realize water leakage. The separation of the cavity from the outside eliminates the water seal, thus reducing friction losses and the risk of water leakage.
(5) Automobile electronic water pump has long service life
The automotive electronic water pump has a longer service life and can work continuously for more than 20,000 hours under normal circumstances.
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