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I believe everyone drinks a bit of beer more or less in life. Some like a small drink at home, while others drink beer to liven up parties, events, or business dinners. People who have drunk beer should have a deep experience of it easily causing a feeling of fullness, because the yeast in beer produces carbon dioxide.
There are many types of sensors, among which laser sensors and photoelectric sensors are widely used in daily life. What is the difference between them? Luftmy will analyze this for everyone through several aspects.
Air conditioners have now entered every household. They can bring us warmth in winter and coolness in summer. Nowadays, many people cannot live without air conditioning; whether at work or returning home, the first thing they do is turn on the AC. Everyone knows there are many sensors in air conditioners, the most important being temperature and humidity sensors. They play a vital role. With dust increasing in urban environments, many manufacturers are now trying to integrate dust sensors into air conditioners.
In the atmospheric environment on which mankind depends for survival, it is full of oxygen necessary for breathing, but there are also particulate matters such as PM2.5 that are harmful to the human body. They come from automobile exhaust, industrial emissions, construction dust, garbage incineration, etc., imperceptibly eroding human health, ranging from physical discomfort to malignant diseases such as cancer.
Dust refers to solid particles suspended in the air. Industrial production easily generates dust in sectors like metallurgy, machinery, building materials, and power. Dust is classified by size into Total Suspended Particulates (TSP), Respirable Particulate Matter (PM10), and Fine Particulate Matter (PM2.5). PM2.5 particles have an aerodynamic diameter of ≤2.5μm. They stay suspended longer, travel further, and contain toxic substances, making them more harmful to health.
Air pollutants harm the human body in many ways, mainly causing respiratory diseases, physiological dysfunction, and irritation of mucous tissues like eyes and nose. Effects can be acute or chronic. Exposure to high concentrations can cause immediate poisoning. Beyond respiratory and lung diseases, it can damage the cardiovascular system, liver, etc., or even be fatal.
With the rapid modernization of the tobacco industry, production technology and environment have improved, requiring larger dust removal volumes. While tobacco dust explosions haven’t occurred in China, they have internationally. At high temperatures, dust explosions happen instantly, and the resulting hot air expansion is extremely destructive.
With rapid industrialization and urbanization, energy consumption is increasing. This modernization process generates environmental issues, primarily air quality. Atmospheric pollution is becoming more severe, shifting towards complex pollution with increased PM2.5, frequent haze, reduced visibility, and unstable humidity levels. Consequently, environmental agencies are taking measures to improve air quality.
Due to the impact of haze, more and more fresh air purification products are entering households. Although these products differ, their principles are similar: most filter particles in the air through filter screens, with main indicators being dust, PM2.5, etc. By adding detection sensors to fresh air purification products, air status can be detected in real-time (dust detection sensors at the front of the filter). This data controls the ventilator operation, allowing users to intuitively see air quality while scientifically controlling equipment for more efficient energy-saving purification.
HVAC systems, also known as air conditioning systems, provide functions including temperature, humidity, air cleanliness, and air circulation. Let’s learn about the related applications of PM2.5 sensors in MHVAC control systems with Luftmy.
Modern air purifiers are used in many fields to purify polluted air and make indoor air fresh and natural. Especially in some public places where pollution is severe, leaving it untreated for long periods can cause health hazards. Correct use of air purifiers is crucial to fully utilize the product's functions. Therefore, during the use of air purifiers, everyone should keep these key precautions in mind.
Environmental pollution has become an urgent issue in our country. Due to complex sources and monitoring difficulties, current monitoring methods and density fall far short of demand, posing significant challenges to studying the impact of air pollution on human health. Air quality sensors utilize integrated technologies such as microelectronics, sensing, and signal processing to minimize hardware costs and size. With simple software operation and wide applicability, they will play a vital role in high-density environmental monitoring. In this article, LUFTMY will provide a brief introduction to the application of air quality sensors in environmental monitoring.
