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What applications does the working principle of pressure sensor have in actual life?
Publish Time：
2025-08-14
The working principle of pressure sensor is widely used in actual life. The pressure sensor based on piezoresistance effect, capacitance effect, piezoelectric effect and other principles is used in medical, automobile, industry, home and other fields.
The working principle of pressure sensor is widely used in actual life. The pressure sensor based on piezoresistance effect, capacitance effect, piezoelectric effect and other principles is used in medical, automobile, industry, home and other fields.
The working principle of pressure sensor is widely used in actual life. The pressure sensor based on piezoresistance effect, capacitance effect, piezoelectric effect and other principles is applied in medical, automobile, industry, home and other fields, specifically as follows:
Medical field: piezoresistance effect based pressure sensor is commonly used in electronic sphygmomanometer to indirectly calculate blood pressure value by sensing pressure change in cuff. The ventilator relies on the pressure sensor to accurately control the air supply pressure to ensure smooth breathing of the patient, especially in the ICU of the hospital, providing strong guarantee for the treatment effect of the patient.
Automotive field: Tire pressure monitoring system (TPMS) uses pressure sensor to measure air pressure in tire in real time, and sends out alarm timely in case of abnormal air pressure, so as to reduce traffic accident risk caused by tire pressure problem. The piezo-resistance effect based pressure sensor can also be used to monitor the engine intake manifold pressure to optimize the fuel injection and ignition timing, improve the engine efficiency and emission performance, and monitor the pressure change of the brake pad to ensure the normal operation of the brake system.
Industrial field: capacitive pressure sensor has strong stability, playing an important role in industrial process control such as accurate proportioning of chemical raw materials. The piezoresistance pressure sensor can be used to monitor the pressure change in the reactor, adjust the process parameters in time to avoid safety accidents, and monitor the pipeline pressure to ensure safe and efficient energy production and transportation. In addition, piezoelectric pressure sensors are suitable for dynamic pressure measurement scenarios, such as in aero-engine inlet pressure monitoring, which can capture fast pressure fluctuations in real time and provide key data support for stable engine operation.
Smart home field: The intelligent toilet regulates the water flow by detecting the water pressure, providing users with a comfortable and convenient experience. The smart mattress uses pressure sensing to monitor sleep status, helping users better understand their sleep quality. The pressure sensor is also used in intelligent instruments such as water meter and gas meter to realize remote meter reading and intelligent management.
Environmental monitoring field: the pressure sensor based on the principle of strain effect can be used to measure parameters such as atmospheric pressure and water depth. For example, a weather station uses a barometric pressure sensor to monitor changes in atmospheric pressure and predict weather changes; Oceanographers use depth sensors to measure ocean depth and study the marine environment.
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Nanjing Wotian Technology Co., Ltd. was established in 2005. It is a national high-tech enterprise, a private technology enterprise in Jiangsu Province, a national level specialized and innovative "little giant" enterprise, and an excellent private enterprise in Jiangning District; The company has been rated as Jiangsu Engineering Technology Research Center, Nanjing Engineering Research Center, Nanjing Enterprise Technology Center, and Nanjing Postdoctoral Innovation Demonstration Base; It is the unit responsible for formulating three national standards.
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