In recent years, due to the severe atmospheric environment in China, the total amount of atmospheric pollutants continues to remain high, so people are paying more and more attention to the degree of air pollution, especially with the advent of the heating season, air pollution control and other topics. Become the focus of major media attention.
At this stage, although the problem of air pollution cannot be completely solved fundamentally, we can improve the local living environment reasonably and effectively through some auxiliary equipment, such as wearing a purifying mask when traveling and installing a purifying vehicle when driving. The air purifier and the air purifier with purification and the like are turned on during the rest, and the air pollution problem in the local space can be improved to some extent by the addition of these auxiliary devices.
In fact, in many auxiliary equipments with purification functions, the attention of the fresh air system is still very high, especially at the National People's Congress, after the fresh air system is recommended as a classroom air quality purification system and monitoring system for primary and secondary schools, everyone is interested in the fresh air system. The level of attention has risen. So what is the fresh air system? What is the difference between it and the air purifier? Why use the fresh air system? With many questions, we walk into today's content.
What is the fresh air system?
The fresh air system, a common explanation is that in a closed environment, fresh air is left indoors through its working principle, and various bacteria, viruses and other gases harmful to human health are discharged outside, thereby achieving the purpose of indoor air purification. .
At present, the common air purifiers on the market are mainly filter type and electrostatic type. Regardless of the purification method, the purifier purifies the indoor air by means of filtration, adsorption, decomposition and the like. In the case of not opening the window, the indoor air can only be circulated continuously, and fresh air cannot be generated. The fresh air system is an independent air treatment system consisting of a ventilation system and an exhaust system, or a separate air supply system. It can introduce the purified outdoor air into the room through a new fan, and then pass the indoor exhaust gas through the pipeline. Discharge, let the indoor air flow, and truly meet the indoor ventilation demand, so from the perspective of the effect of purifying the air, the fresh air system is obviously superior to the air purifier.
However, it is undeniable that compared with air purifiers, the pre-investment and post-maintenance costs of the fresh air system are relatively high, so the market share of the fresh air system in the market is far less than that of the air purifier.
The difference between fresh air and empty net
In addition to the cost issue, there is also a certain blind spot for the concept of indoor pollution. When it comes to indoor air pollution, everyone's first reaction is estimated to be PM2.5 or formaldehyde, but in fact, there is a pollution in the room that is relatively small but not always there. It is "carbon dioxide."
Having said that, everyone may have doubts. We have carbon dioxide in every breath, and we have not seen anyone who is poisoned by ourselves. Carbon dioxide is also a pollutant. With such doubts, we may wish to look at a table, a A comparison table showing the increase in carbon dioxide concentration and human body response:
With the increase of carbon dioxide concentration, the human body will obviously have symptoms such as headache, nausea, inability to concentrate, difficulty breathing, and even coma. Although it is difficult to cause carbon dioxide in a coma concentration in the room, it is not an exaggeration to say that carbon dioxide is a common indoor air pollution in a cold winter where there is almost no window ventilation.
Want to reduce the indoor carbon dioxide content, window ventilation is a good choice, but if you encounter smog weather, especially in the cold winter, how to do it is not convenient to open the window? Want to rely on air purifier to solve the problem, I am afraid you I am going to be disappointed.
At present, the commercially available air purifier products can filter out harmful substances such as PM2.5 and formaldehyde, but they are powerless to carbon dioxide. In order to truly solve the various air problems in the room, the "new air system" debuted.
So what methods can solve the contradiction between high cost and protection of respiratory health for the majority of users? Perhaps after introducing Aierjing clean air blower, the problem of high cost will be solved.
What is the advantage of Aier net fresh air?
As we all know, the new function of the fresh air system to protect people's respiratory health comes from the purification filter network. How does the Aierjing clean fresh air system do it?
First of all, Aierjing Clean Fresh Air System has added four layers of filters, which are the first layer of anion filter, the second layer of G4 grade coarse filter, the third layer of F8 grade medium effect filter, and the fourth layer of medical grade. HEPA filter. With the addition of the four-layer filter, Aier Clean Clean Air System provides users with eight-fold filtration, giving users different clean air.
The most important thing is that in order to extend the service life of the filter, the Aernet Clean Fresh Air System has redesigned the filter structure. In the coarse filter, the Aer clean clean air system uses 70 folding technology to reach G4. The level, the dust holding capacity is increased, and the use time is longer. In the F8 grade medium efficiency filter, the Aier clean clean air system adopts the M-type design, and the unfolded area is 50 times of the folded area, reaching 2.2 m2. At the same time, electrostatic dust collection, carbon cloth and lysozyme three-in-one composite filter are used. The triple filtration effect plays a role in sterilization and bacteriostasis, and this is indeed an advantage that other competitors do not have.
In addition, the basic filter mesh of Aierjing Clean Fresh Air System is made of composite materials and has bactericidal effect. On the basis of the filter mesh, the product also adds the effect of silver ion sterilization filtration and dehumidification, and it is worth noting that due to material changes, the filter can be repeatedly cleaned, which greatly reduces the overall cost. . According to reports, the filter of Aier Clean Clean Air System only needs to be replaced several times a year, and the basic filter can be rinsed with water.
Aier net new fan introduction
It is understood that Erlang has launched two models for the home market, AC-280-H1 and AC-400-H1. The difference between the two products is mainly concentrated in the purifying indoor area, the former is 80-110 square meters, the latter is 110-150 square meters.
Speaking of the product itself, clean and tidy is the first impression of Aierjing Xinfeng products. The whole machine is made of pure white metal acrylic panel. The lack of luxury decoration products looks simple and simple, but it is more conducive to the overall product and home. take.
On the front side of the product, a liquid crystal display screen is added. During the use, the user can observe the overall working state of the new fan through the liquid crystal display screen, such as the freshness of the air and the temperature of the indoor air outlet. Not only that, in order to provide users with more convenient control services, Aierjing new fan also joined the intelligent remote control APP, through the mobile phone software download, users can adjust it at any time, such as time switch, remote monitoring, etc. This is not common in equally positioned products.
If you think this is the whole design of Aierjing new fan, it is a big mistake. Considering that the child may touch the machine during the play and the product is damaged, Aierjing new fan has joined the electronic dark lock. This can greatly increase the safety factor of the product. Of course, if you think this is not safe enough, then Aierjing new fan also recommended a variety of installation modes, such as floor-standing, wall-mounted, etc., convenient and diverse choices to meet the various daily installation and use needs of users. .
Aier net new fan test data
In addition to cost, everyone is most concerned about the purification ability of the product. As I mentioned in the previous article, Aierjing clean fresh air system has four layers of filter eight-fold filtration, firstly by the anion filter for primary filtration, dehumidification, At the same time of sterilization, due to the addition of special materials, the filter layer also reduces the cost of the product because it does not need to be replaced. Followed by the G4 grade coarse filter, through the filtration of the filter, more than 90% of the particles above PM10 can be filtered. The third is the F8 grade medium efficiency filter, which can filter more than 95% of PM2.5 particles. Finally, a medical grade high efficiency filter that filters 99% of PM0.3 or higher. It is because of the step-by-step filtering of the above four-layer filter that the air environment of the user's local space can be effectively improved. So in terms of test data, how does Aier Clean Clean Air System perform?
In order to bring you more intuitive data, we tested the wind speed, noise and purification ability of the Aier clean air system in a home.
Test 1: Wind speed, noise test
Wind speed and noise are a key reference for new wind turbines, directly affecting the user's experience, because no one wants to listen to the noise of the machine to sleep, so a good new wind turbine must create a quiet environment. Next, we will test the wind speed and noise of each gear of the Aierjing new fan.
Before the test, we first collected the indoor environmental noise, the data showed 47.3 decibels, because it is a cottage courtyard, this noise value is still relatively high.
The ambient noise is 47.3 dB
There are four air volume gears in the Aierjing new fan, which are “low wind, stroke, high wind and automatic windâ€. We put the anemometer and noise meter on the air outlet of the machine to get the most accurate wind speed value and Maximum noise value.
Low wind noise is 49.5 decibels
The noise of the stroke file is 56.2 dB
The noise of the high windshield is 61 decibels.
According to the comparison of the noise level value table, the noise control of the Aierjing new fan can be said to be excellent in the case of indoor noise.
Noise level table
In terms of wind speed, we tested the wind speed under the automatic wind and high wind conditions of the machine separately, and calculated the air volume according to the cross-sectional size of the air outlet.
Wind speed under automatic wind
Wind speed under high wind conditions
Air outlet section size
After testing, the wind speed of the machine is 1.53 meters per second under automatic wind conditions, and the wind speed is 2.43 meters per second under high wind conditions. The cross-section size of the air outlet is measured to be 34*18 cm, which is calculated according to the calculation formula of air volume: the air volume per hour in the automatic wind state At 359.9 cubic meters, the air volume per hour is about 594.8 cubic meters in high wind conditions, and there is no problem in using large rooms.
Test 2: Purification effect test
The purification ability of the fresh air system is related to the health of the indoor family when the fog is coming. It is an important reference indicator. We tested and recorded the particulate testers in the outdoor, fresh air vents and indoor ventilators to see what the results were.
Outdoor particulate matter content
The air quality was good on the day of the test, but the total number of fine particles in the outdoor air was still 7ug/m3 (micrograms per cubic meter), while the pm10 value was 21ug/m3.
After turning on the stable operation of the new Aernet fan, we will test the particulate matter content of the fresh air vents and indoor ventilation.
Particulate matter around the range hood
Particulate content around the window
Particulate content of the tuyere when the new fan is running
After the actual test, the data is as follows:
　　 The pm2.5 content around the range hood is 2ug/m3, and the pm10 content is 9ug/m3;
　　 The pm2.5 content around the window slit is 3ug/m3, and the pm10 content is 12ug/m3;
　　 The result of the test of the fresh air outlet is pm2.5 content of 2ug/m3 and pm10 content of 6ug/m3;
　　 Whether it is a typical indoor ventilation or a new fan outlet, the particulate matter content is about 8 times lower than that of the outdoor. It can be seen that the Erlang fresh air system has obvious purification effect, and it is also very balanced, and the improvement of air quality is not mentioned. And Yu, the whole family's respiratory health can be assured.
Written at the end
As a product with high degree of attention at present, the emergence of the fresh air system gives users more choices. Compared with the traditional air purifier, the fresh air system does not fall in the purification effect and purification ability, but in terms of healthy ventilation. There are advantages that purifiers do not have. Although the current price of products is relatively high, with the increasing consumer demand, it is believed that the new wind system with better comprehensive strength will become the first choice for everyone's future environmental health.
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