[IT168 News] In the past two years, people have become accustomed to the new term "Zhong Ji". In this year's double 11-year shopping season, air purifier products are hot and hot, and more and more consumers begin to purify indoor air by choosing an air purifier. However, the face of exquisite variety of air purification What kind of product is really effective? Buy an air purifier in the end need to pay attention to those aspects that have become troubled consumers to buy this category of problems. On this issue, we contacted Xiaomi Company, the number one seller of air purifiers in this year's double 11th shopping season, and visited the mill's air purifier's manufacturing plant. Under the leadership of professional engineers of millet air purifiers, Decryption How to choose a good air purifier.
Many consumers think that the technical content of air purifier products is not high, more like a large vacuum cleaner, it is not true. Taking Xiaomi Air Purifier 2 as an example, this 699 yuan air purifier is assembled from more than 200 parts and components. From the earliest raw materials to the final products sold to consumers, the finished product has experienced more than 100 items. Small steps. This time we mainly visited two representative factories in the numerous mill air purifier production plants. One is Zhongshan Zhongshan Jincheng Plastic Products Co., Ltd. and the other is Apollo Environmental Protection Equipment Co., Ltd. located in Shunde.
â–² Xiaomi air purifier professional engineer to explain
First-class injection molding process results in large indoor air circulation
Zhongshan Jincheng Plastic Products Co., Ltd. is mainly responsible for providing fan blade injection molding, conical air channel injection molding, and machine housing injection molding assembly for millet air purifiers. Xiaomi air purifier professional engineers, millet air purifier products are finally assembled in this factory, and this company is responsible for a number of injection molding, assembly process ultimately determines the millet air purifier CADR value. Consumers concerned about air purifiers must understand CADR values, and CADR values ​​provide clean air volume per unit of time. Taking the CADR value of the millet air purifier 2 as 310m3/h as an example, the millet air purifier 2 can provide 310m3 of clean air within one hour. According to professional engineers of millet air purifiers, high CADR values ​​require air purifiers to have larger motors and larger volumes, and at the same time, noise levels will increase accordingly. In order to make products with larger CADR values ​​with smaller volume and lower noise, millet adjusted the fan blade design several times. Through a large number of designs and tests, the air volume and noise are finally balanced. In addition, a tapered air duct design is adopted so that the filtered air can be sprayed at a longer distance, and finally a high-CADR air purifier capable of realizing a large air circulation in the room is realized.
â–² Purifier assembly line
During the visit to the factory, Xiaomi's professional engineers also introduced a small formula: Air Purifier Applicable Area = CADR* (0.07~0.12), which means that if the living room area in the home does not exceed 37m2, Xiaomi Air Purifier 2 is completely Capable. In this way, the unit square meter users only need to consume 19 yuan, plus the subsequent replacement of the filter a small amount of money, you can enjoy the clean air. At present, this is also a cost-effective product on the market. Consumers can purchase air purifiers based on this formula and the area in their homes. Avoiding excessive pursuit of high CADR values ​​not only does not enjoy the high performance of the air purifier, but also bears unnecessary costs.
Well-designed filter element makes air cleaner
Shunde Apollo Environmental Protection Equipment Co., Ltd. is the second stop for us to visit the mill air purifier factory, which mainly installs filter cartridges for millet air purifiers. As the most important part of the air purifier, the quality of the filter is an important indicator of whether the air purifier is reliable. Many manufacturers will mention multi-layer filters when promoting air purifier filters, even in addition to formaldehyde odor sterilization and so on. However, professional engineers of millet air purifier remind everyone to pay attention to the HEPA filter layer of the filter element. Because only the HEPA filter layer has the effect of filtering PM2.5 in the air. The top HEPA filter currently on the market is usually provided by brands such as 3M, Toray, HV, and Freudenberg. At the same time, the area of ​​the HEPA filter also needs to be focused. The larger the area of ​​the HEPA filter, the stronger the ability to purify the air. For this reason, the millet air purifier has also undergone several tests. Experiments have found that square filters are prone to filter unevenness, and often the filter has lost its filter function in the middle while the four corners are still unused. The final millet air purifier uses a large number of barrel filters commonly used in high performance air purifiers. Moreover, professional engineers of millet air purifiers also emphasize that when using air purifiers, the filter elements should be replaced regularly. In addition to guaranteeing the purifying effect, secondary pollution caused by bacterial growth can also be avoided.
â–² Purifier assembly line
Intelligence is the basis of a good air purifier
Millet air purifier products are produced and developed by Jimmy Technology, a millet ecosystem company. Zhimi is a company headquartered in Beijing. Its headquarters is responsible for providing intelligent solutions for Xiaomi air purifiers. This was repeatedly mentioned by millet air purifier engineers during our visit to the factory. Engineers believe that air purifiers need to ensure good air quality at home all the time, so intelligence is very important for air purifiers. Similarly, millet air purifier 2 is used as an example. By intelligently controlling consumers, real-time monitoring of air quality in the home can be achieved. Even if you are not at home, you can control the air purifier to open early so that you can immediately breathe healthy air when you return home. At the same time, the intelligent air purifier can also provide more personalized usage patterns according to different needs of users. For example, when the indoor PM2.5 reaches the user's set value, it will automatically turn on the purified air, and automatically reduce the power of the air purifier at night to reduce the noise, etc. These are the advantages of the intelligent air purifier compared to the conventional air purifier.
â–² There are over 100,000 millet air purifiers in a huge warehouse
Through this visit to the mill air purifier factory and Xiaomi professional engineers, the author discovered that the birth of a good air purifier is not as simple as we thought. In addition to guaranteeing cooperation with first-class raw material suppliers and first-rate OEMs, it is also necessary to adopt a higher-performance, large-area HEPA filter, a more rational and efficient air duct design, and smarter control to truly qualify as a good air. filter. At the same time, when consumers purchase an air purifier, they also need to purchase according to local conditions and on-demand, not excessively superstitious data, and ultimately choose a cost-effective air purifier product that is suitable for them. Finally, the author also calculated an account, if you follow the millet air purifier 2 machine warranty for 1 year, plus the price of two filter elements, in fact, the cost of purifying the air at home every day does not exceed 3 dollars. At the same time, the warranty period for millet air purifiers such as motors, switches, circuit boards and other key components is three years, which means that if air purifiers at home are not exposed to extreme phenomena such as bumps, the use of the air purifiers for three years or more is completely free of problems. As a result, the cost per day is as low as less than five cents.
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