What is the car air conditioning filter
automobile air conditioning filter is a kind of filter installed in the automobile air conditioning system. Its main function is to filter the air entering the carriage and prevent the air impurities, bacteria, industrial waste gas, pollen, small particles and dust from entering the car, so as to improve the cleanliness of the air in the car, protect the air conditioning system and provide a good air environment for the people in the car.
The role of air conditioning filter element
The main functions of air conditioning filter include:
Filter air : block impurities, small particles, pollen, bacteria and dust in the air to keep the air in the car fresh.
Protecting the air conditioning system : Prevent these pollutants from entering the air conditioning system and causing damage to the system.
Improve air quality : to provide a good air environment in the car, conducive to the health of passengers.
Air conditioning filter replacement cycle and maintenance methods
The replacement cycle of the air conditioning filter is usually 8,000 to 10,000 kilometers per trip, or once a year. The specific replacement cycle can be adjusted according to the vehicle environment, if the vehicle often travels in dusty or congested areas, it is recommended to replace it in advance. When replacing, be careful not to clean the filter element with water, so as not to breed bacteria and viruses, and do not use an air gun to flush the filter element, so as not to damage the fiber structure of the filter element.
Air conditioning filter material classification
There are many options for air conditioning filter material, including:
Single-effect filter cartridge : mainly made of ordinary filter paper or non-woven fabric, the filtration effect is poor, but the air volume is large and the price is low.
double effect filter element : on the basis of single effect, the activated carbon layer is added, which has the function of double filtration and odor removal, but the activated carbon has the upper limit of adsorption, which needs to be replaced in time.
activated carbon : made of two layers of non-woven cloth with activated carbon, can effectively remove harmful gases and odors.
By regularly replacing the appropriate air conditioning filter element, you can ensure the air quality in the car and protect the health of passengers.
The main materials of automotive air conditioning filter include non-woven fabric, activated carbon, carbon fiber and HEPA filter paper.
Non-woven material : this is one of the most common air conditioning filter material, by folding the white filament non-woven fabric to form a fold, to achieve air filtration. However, the filter element of non-woven material has poor filtering effect on formaldehyde or PM2.5 particles.
Activated carbon material : activated carbon is a carbon material obtained by special treatment. It has a rich microporous structure and can absorb harmful gases and odors. Activated carbon filter can not only filter PM2.5 and odor, but also has a good adsorption effect, but the price is relatively high.
Carbon fiber : Carbon fiber has excellent high temperature resistance, friction resistance and thermal conductivity properties, but its diameter is very small, about 5 microns. Carbon fiber material in the air conditioning filter element is mainly used to enhance the filtering effect and durability.
HEPA filter paper : This filter paper has a highly fine fibrous structure and is effective in filtering out small particles, such as bacteria and viruses. HEPA filter element has good filtering effect on PM2.5, but poor filtering effect on formaldehyde and other harmful gases.
Advantages and disadvantages of different materials and applicable scenarios
non-woven material : the price is cheap, but the filtration effect is limited, suitable for occasions with low air quality requirements.
activated carbon material : good filtration effect, can absorb harmful gases and odors, but the price is higher, suitable for poor air quality environment.
carbon fiber : Enhanced filtration and durability, but at a higher cost.
HEPA filter paper : the filtration effect on PM2.5 is good, but the effect on other harmful gases is not so good.
Replacement interval and maintenance suggestions
The replacement cycle of air conditioning filter is generally 10,000 to 20,000 kilometers or once a year, depending on the use environment and vehicle driving conditions. It should be replaced more frequently in dusty and humid places. Choosing well-known brands such as Man, MAHle, Bosch, etc., can ensure the reliability of quality and after-sales service.
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