A small personal air quality monitor, ready to provide you with PM2.5 values ​​around you

Small personal air quality monitor, ready to provide you with PM2.5 values ​​around the beginning of this year PM2.5 frequently, the major cities in the country have been affected by it, now we not only care about the city's air quality value, but also want to Knowing the air quality in your office, in your car, etc., your personal air quality monitor can meet your requirements. According to Dongguan environmental experts, this personal air quality monitor is equipped with dust sensors on the air ducts on both sides. After simple local filtering of these data, PAM pushes the locally measured data through its own web application. The cloud. PAM also has a portable version of the brother - MINI PAM, the size of a Coke bottle is so large, easy to carry, connected to the cloud through mobile data traffic or Bluetooth port. With the help of the cloud big data model, the data is finally fed back to the air quality information around the user through cloud processing technology.
The English name of this monitor is called "Pervasive Air-Quality Monitoring" (PAM for short); the research is conducted by Dr. Jiang Xiaofan of Intel China Research Institute and his team at the "China Intel IoT Technology Research Institute". According to reports, the personal air quality monitors that currently reflect indicators such as PM2.5 are basically imported from abroad, and the prices range from 50,000 to 3,000 yuan. The prototype of this equipment developed by Jiang Xiaofan's team is expected to cost around 200 yuan.
According to relevant experts, the use of low-cost distributed dust sensors to obtain massive, coarse small data, the use of cloud processing systems for unified data analysis, saving the cost of traditional air quality instrument calculation and analysis data. PAM's philosophy draws on the "Network of Workstations" model, a measurement data network built with a large number of inexpensive devices, that builds measurement networks more comprehensively and accurately than with a few expensive but accurate devices. Based on this concept, Jiang Xiaofan's cloud server aims to use the different data provided by each user to establish a multi-dimensional statistical model of air quality, thus providing each user with a more accurate air quality value. The cloud processor analyzes and corrects the air detector monitoring data of the user's adjacent location and the monitoring data of the nearby public measurement station as a group, and re-evaluates the air quality index around the user with the selected reference curve.
Based on the powerful advantages of the cloud platform, this air monitoring instrument is extraordinarily smart and intimate. The final air quality monitoring data does not appear in the form of accurate values, but is divided into good, good, poor, poor, worst, etc. 1 to 10 files, and corresponding health tips are proposed according to the current air state, which is convenient for the public to use. . Combined with the GPS positioning system on the mobile phone, the air monitor can find the location of the air quality pollution source around it, and can also carry out intelligent path planning to find the path that is least harmful to the body between A and B.
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