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Working principle, characteristics and application scenarios of hydrogen pressure sensor
Publish Time：
2025-08-14
The hydrogen pressure sensor is a key technical device used to measure and monitor the pressure change of hydrogen in various industrial and technological applications.
The hydrogen pressure sensor is a key technical device used to measure and monitor the pressure change of hydrogen in various industrial and technological applications.
The hydrogen pressure sensor is a key technical device used to measure and monitor the pressure change of hydrogen in various industrial and technological applications. The following is a detailed description of the hydrogen pressure sensor:
Operating principle of hydrogen pressure sensor
Hydrogen pressure sensors utilize pressure sensing techniques, typically using piezoelectric effects or resistance strain principles. The main working principles include:
Piezoelectric effect: based on the change in charge of the material when pressure is applied. When hydrogen is applied to the sensor surface, the piezoelectric material generates an electric charge, and the hydrogen pressure is indirectly measured by measuring the change of the electric charge.
Resistance strain: measure the pressure exerted by hydrogen through strain gauge or strain gauge. The hydrogen pressure will make the strain gauge slightly deformed, and then change the resistance value. The pressure can be measured through the change of resistance.
Main features and application scenarios
The hydrogen pressure sensor has the following features and advantages:
High-precision and stability: accurate measurement of pressure change of hydrogen, high stability, suitable for precise industrial application.
Corrosion resistance: special materials and coatings are usually used, which can withstand the environment of corrosive gases such as hydrogen and ensure long-term stable operation.
Fast response and high reliability: short response time, fast capture of pressure change, real-time monitoring and control.
Hydrogen pressure sensors are widely used in the following fields:
Hydrogen energy: it is used in the hydrogen fuel cell system to monitor the pressure of hydrogen in the storage and transportation process to ensure the safety and efficiency of the system.
Industrial production: It is used to monitor and control the hydrogen pressure in the industrial process, such as the hydrogen treatment process in the chemical industry.
Scientific research: used for gas pressure monitoring in laboratory environment, supporting various scientific experiments and research projects.
Technology Trends and Challenges
With the development of hydrogen energy technology and the increase of application demand, the hydrogen pressure sensor faces the following development trends and challenges:
Suitability under high temperature and high pressure environment: the demand increases the requirements for stable operation of the sensor under high temperature and high pressure environment.
Higher accuracy and response speed: With technological progress, the requirements for sensor accuracy and response speed are becoming higher and higher to meet the requirements of complex industrial applications.
Balance between cost and reliability: While improving performance, the manufacturing cost shall be controlled to ensure the long-term reliability and economical efficiency of the sensor.
As an important part of hydrogen energy technology and industrial application, the hydrogen pressure sensor supports the safe and efficient utilization of hydrogen in various fields through its high accuracy, corrosion resistance and stability. With the rapid development of the hydrogen energy industry, the technology of hydrogen pressure sensor will continue to be iterative and optimized to adapt to the broader application scenarios and challenges in the future.
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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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