What Industrial uses for piezoresistive pressure sensors?

Principle of operation

Piezoresistive pressure sensors utilize the piezoresistive effect of semiconductors to measure pressure. When a semiconductor diaphragm is subjected to pressure, its resistance changes. By measuring the change in resistance value, the amount of pressure can be deduced.

Oil and gas industry

1、Pipeline pressure monitoring

Pressure fluctuations in oil and gas transmission pipelines are an important factor affecting transmission efficiency and safety. Piezoresistive pressure sensors can monitor pressure changes in pipelines in real time to ensure the safe operation of pipelines. At the same time. Through the analysis and processing of pressure data, it can improve transmission efficiency and optimize energy consumption.

2, Oil Storage Tank Pressure Monitoring

Oil storage tanks are important storage equipment for oil and natural gas. In oil storage tanks, the stability and safety of pressure is crucial for oil quality and storage safety. Piezoresistive pressure sensors can monitor the pressure changes in the oil storage tank in real time. Timely detection of pressure abnormalities, to protect the quality of oil and storage safety.

3、Well pressure monitoring

In the process of oil and natural gas extraction, the stabilization and control of downhole pressure is of great significance to the extraction effect and safe production. Piezoresistive pressure sensors can be installed downhole to monitor downhole pressure changes in real time. Provide timely and accurate data support for mining decision-making, and guarantee the safety and stability of the mining process.

Automotive Industry

1、Engine performance test

Engine is the core component of an automobile, and its performance directly affects the power, fuel consumption and emission of the automobile. Piezoresistive pressure sensors can be used to test the combustion pressure and intake pressure of the engine, helping to evaluate engine performance and optimize engine parameters. By monitoring the pressure changes of the engine in the operating state. You can better understand the operating status of the engine, and discover potential problems and make repairs in a timely manner.

2、Air suspension system

Air suspension is a system that improves vehicle handling and comfort by adjusting vehicle height and suspension stiffness. Piezoresistive pressure sensors can be used to monitor the air pressure in the air suspension system to ensure that the vehicle's height and suspension stiffness are properly adjusted. In addition, pressure sensors can be used to detect leaks in the suspension system. So that repairs can be carried out in time to ensure the safe operation of the vehicle.

Pharmaceutical process

1、Process control

In pharmaceutical and chemical processes, pressure is one of the important process parameters. Piezoresistive pressure sensors can monitor the pressure changes in the production process in real time to ensure that the pressure in the production process is controlled within the specified range. to guarantee the quality and stability of the product. At the same time, through the analysis and processing of pressure data, it can optimize the production process and improve production efficiency.

2、Product quality control

Product quality is key in the pharmaceutical and chemical industries. Piezoresistive pressure sensors can be used to detect the pressure during the encapsulation and filling process of the product to protect the product from damage or defects during the encapsulation and filling process. In addition, pressure sensors can be used to detect product leaks and emissions, detect product quality problems and deal with them in a timely manner to improve product quality and reliability.

Aviation and aerospace industry

1, Aircraft and rocket engine pressure monitoring

During the operation of airplanes and rockets, the pressure changes inside the engine are of great significance to their performance and safety. Piezoresistive pressure sensors can be installed inside the engine to monitor and record pressure changes in real time. It helps the pilot or command center to understand the working status of the engine in time to ensure the safety and stability of the flight. Meanwhile, for rockets, pressure sensors can also be used to monitor the injection and combustion of propellants. Provide accurate data support for the launch and operation of the rocket.

2, Cockpit Pressure Control

Pressure in the cockpit of an aircraft is critical to the health and comfort of pilots and passengers. Piezoresistive pressure sensors can be used to monitor pressure variations in the cockpit to ensure that the cockpit pressure is controlled within appropriate limits. When cockpit pressure becomes abnormal, the pressure sensor can issue an alarm in a timely manner. Remind the pilot or aircraft control system to take appropriate measures to protect the safety and comfort of passengers and pilots. In addition, for military aircraft, cockpit pressure sensors can also be used to monitor the air resistance of the aircraft in high-speed flight. Provide accurate data support for the pilot's operation.