Hydrogen sensor for leakage detection and preparation method of sensitive element of hydrogen sensor
A technology for leak detection and sensitive components, which is applied in the field of hydrogen sensors, can solve problems such as the inability to achieve sensitivity in hydrogen detection, the limited application of high-precision leak detection technology, and the impossibility of hydrogen leak detection methods, so as to improve the hydrogen sensitivity response performance and improve Hydrogen sensitive properties, the effect of reducing microstructure fracture of thin film
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[0029] Embodiment: a kind of hydrogen sensor for leakage detection of the present embodiment, such as figure 1As shown, it includes a cylindrical casing 1, which encloses an air chamber 2, the diameter of the air chamber is less than 20mm, and the height of the air chamber is less than 10mm. The shell is made of stainless steel, with low adsorption rate and high temperature resistance. An air inlet pipe 3 communicating with the air chamber is installed at the center of the housing top to form an air inlet 4, and two measuring probes 7 are also installed on the housing top, and the two measuring probes are located on both sides of the air inlet pipe. An air outlet pipe 5 communicating with the air chamber is installed at the center of the housing bottom to form an air outlet 6, and two heating probes 8 are installed at the bottom of the housing, and the two heating probes are located on both sides of the air outlet pipe. The measuring probe and the heating probe are respective...
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