In the era of the Internet of Things, the importance of sensors is self-evident, and various types of sensors have extremely important applications in different fields. For example, in the field of smart homes, modern people pursue high-quality and comfortable life, and the requirements for their environment are further improved. The smart home equipment based on environmental monitoring is widely sought after. At this time, PM2.5 sensors, temperature and humidity sensors have been widely used.
US GE's PM2.5 sensor products.
With the intrusion of smog, dust and industrial waste gas, air quality problems are becoming more and more serious, and indoor air monitoring improvement is imperative.
The PM2.5 sensor uses the principle of light scattering and particle counting technology to accurately detect the amount of micro-particles in the surrounding environment, automatically detect the content of PM2.5 and formaldehyde in the air, and display it on the main controller and smart client. Other devices are intelligently linked. When the PM2.5 in the air is too high, the window opener can be closed to close the window, and the air purifier or fresh air system can be turned on to purify the air. When the formaldehyde content is too high, the window opener can be opened to open the window. Let the air circulate and make the home fresh and suitable forever.
Honeywell digital temperature and humidity sensor HIH9000 series.
Temperature and humidity sensor
The temperature and humidity sensor is a type of sensor displayed on the main control unit and the intelligent terminal by detecting the temperature and humidity and automatically sensing the temperature and humidity in the air. It can be linked with other devices for intelligent control.
For example, when the temperature in the home exceeds 30 degrees, the infrared transponder can be linked to the air conditioner in the home to adjust the temperature; when the humidity in the home is too low, the smart socket can be connected to open the warmer. The temperature and humidity sensor is exquisite and stylish, can be ceiling mounted, and has stable performance; it does not need to be manually matched with the host, and the system debugging is simple; the sensor can be controlled locally and remotely, and the temperature and humidity in the air cannot be sensed by turning off the sensor. .
Infrared detection flammable gas sensor IRceL CH4. Sensor expert network agent product map.
Combustible gas sensor
In addition, in the field of air detection, we know that natural gas is an energy source that many households now use. His main component is methane. When natural gas leaks and reaches a certain amount in the air, it is easy to encounter fire or electricity. Dangerous.
Our common gas alarms can detect low-concentration combustible gas in the surrounding environment through the flammable gas sensor. The sensor resistance changes with the gas concentration, and then an electrical signal is generated for the gas alarm to be processed by the subsequent stage. The gas alarm has high sensitivity. When the gas leak reaches a certain concentration on the day, the gas alarm will be triggered. The parallel telephone dialing alarm will call the alarm phone. The mobile phone will receive the alarm information at the same time. When the alarm occurs, the automatic robot linkage will automatically Close the gas valve and remove the hazard from the cradle.
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