What is the car air filter
Automotive air filter is a device used to filter particulate impurities in the air entering the engine, mainly located in the engine intake system. Its main function is to prevent dust, sand and other impurities from entering the engine, reduce parts wear, protect the normal operation of the engine and extend the service life. The air filter element is usually composed of a filter element and a shell, and the filter element is the main filtration part, which undertakes the task of filtering the air, while the shell provides protection for the filter element.
Structure and working principle
The structure of the air filter is diverse, the common air coarse filter and air fine filter. The coarse filter is usually square, and the fine filter is round. The filter element is composed of an inner and outer metal filter screen, an intermediate fold filter paper, an end cover, a fixing cover and a screw. The working principle of the air filter element is to effectively filter the suspended dust and particles in the air through physical barrier and adsorption.
Type and material
According to the structure of the air filter can be divided into filter type, centrifugal type, oil bath type and compound type; According to the material, there are microporous filter paper filter element, non-woven filter element, fiber filter element and composite filter material. Common paper filters are widely used because of their advantages of high efficiency, lightweight, low cost and easy maintenance, while oil-bath filters are used less because of their higher maintenance costs and complexity.
Replacement cycle and maintenance
The air filter element needs to be replaced regularly to maintain its filtering effect. The replacement should be carried out according to the specific requirements of the vehicle environment and maintenance manual. Mild contamination can be blown with compressed air, and serious contamination needs to be replaced with a new filter element in time.
The role of automobile air conditioning filter :
Filter impurities from the air :
Automobile air conditioning filter can effectively separate the dust, pollen, abrasive particles and other solid impurities in the air to ensure that the air into the car is clean.
Adsorption of harmful substances :
Air conditioning filter can also absorb moisture, soot, ozone, odor, carbon oxide, SO2, CO2 and other harmful substances in the air to provide a healthy driving environment.
Prevent glass atomization :
The car air conditioning filter helps to prevent the car glass from being covered with water vapor, keep the line of sight of the driver and passenger clear, and ensure driving safety.
Purify air and eliminate odors :
The filter element can purify the air in the car, eliminate the odor of the air entering the car, and improve the driving comfort.
Protect air conditioning system :
By filtering impurities in the air, the automotive air conditioning filter element can prevent these substances from entering the air conditioning system, thereby protecting the air conditioning system from damage.
Installation precautions :
When installing the air conditioning filter element, it is necessary to pay attention to the installation direction of the filter element to ensure that the filter element can correctly stick to the housing and play the due filtering effect. If the installation direction is incorrect, the temperature in the air conditioner system may be too high and the electronic components may be damaged.
In summary, automobile air conditioning filter plays an important role in improving the air quality in the car, protecting the air conditioning system, and ensuring driving safety. Therefore, it is recommended that the owner regularly replace the air conditioning filter element to maintain its good filtering effect.
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