What is the working principle of automobile Rr blower motor
The working principle of automobile blower motor mainly includes the following aspects :
The principle of centrifugal blower : the blower on the car is usually a centrifugal blower, and its working principle is similar to that of the centrifugal fan. The blower has a high-speed rotating rotor, and the blade on the rotor drives the air to move at a high speed. The centrifugal force makes the air flow to the fan outlet along the involute line in the involute shape of the housing, forming a high-speed airflow and having a certain wind pressure. New air is fed through the center of the housing .
The working principle of the motor : the blower motor is powered by the power supply and generates power to drive the impeller of the blower to rotate. The coil inside the motor body generates a magnetic field after being energized, and this magnetic field interacts with the rotor inside the motor, thereby driving the rotor to rotate. The rotor is connected with the impeller of the blower through the transmission device, which drives the impeller to rotate, produces strong air flow, and inhales the outside air into the air conditioning system and sends it into the car through the pipeline .
The role of capacitors and resistors : capacitors are used to store electrical energy and generate pulses by charging and discharging, helping the motor to run more smoothly. Resistors are used to limit the current and prevent the motor from being damaged by overload. Together, these components ensure the stable operation of the blower .
The principle of sliding vane blower : Another common type of automotive blower is the sliding vane blower. The blower operates eccentrically through an offset rotor in the cylinder, drawing in, compressing and discharging air. During operation, the lubricant is automatically sent to the drip nozzle by the pressure difference of the blower, and drops into the cylinder to reduce friction and noise, while keeping the gas in the cylinder does not return .
The role of automobile blower in automobile air conditioning system : Automobile blower plays a crucial role in the air conditioning system. It can blow the cold air on the air conditioning evaporation box or the hot air of the warm water tank to the car, providing a comfortable driving environment. In addition, automotive blowers can also improve engine combustion efficiency and power output, reduce exhaust emissions .
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