Low-temperature high-pressure hydrogen environment mechanical test bed

By designing a low-temperature and high-pressure hydrogen environment mechanical test bench, and using a refrigeration and hydrogen supply mechanism to simulate the low-temperature and high-pressure hydrogen environment, combined with test fixtures and drive mechanisms, the problem of mechanical performance testing of hydrogen storage and transportation equipment materials under low-temperature and high-pressure hydrogen environment was solved, and reliable mechanical performance evaluation was achieved.

CN224500240UActive Publication Date: 2026-07-14TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
Filing Date
2025-06-19
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

How to effectively test the material mechanical properties of hydrogen storage and transportation equipment under low temperature and high pressure hydrogen environment to prevent hydrogen-induced cracking and hydrogen corrosion.

Method used

A low-temperature, high-pressure hydrogen environment mechanical test bench was designed, including a hydrogen environment device, a refrigeration device, and a testing device. The temperature of the hydrogen environment chamber is reduced by the refrigeration device, and high-pressure hydrogen is provided by the hydrogen supply mechanism. Combined with the test fixture and the drive mechanism, tensile or compressive forces are applied to the material to conduct mechanical property tests.

Benefits of technology

It enables effective mechanical property testing of hydrogen storage and transportation equipment materials under low temperature and high pressure hydrogen environment, ensuring the reliability and accuracy of the test and avoiding irreversible damage caused by hydrogen-induced cracking and hydrogen corrosion.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to test device technical field provides a low temperature high pressure hydrogen environment mechanics test board, including hydrogen environment device, refrigerating plant and testing arrangement, hydrogen environment device includes hydrogen environment box and hydrogen supply mechanism, and hydrogen supply mechanism supplies hydrogen to hydrogen environment box, refrigerating plant refrigerates to hydrogen environment box, testing arrangement includes test fixture, transmission link and drive mechanism, and transmission link reciprocatingly slides in hydrogen environment box, and transmission link first end reaches to hydrogen environment box inside, and transmission link second end reaches to hydrogen environment box outside, and test fixture includes first clamping part and second clamping part, and first clamping part is opposite fixed with hydrogen environment box, and second clamping part is connected with transmission link first end, and drive mechanism drives transmission link reciprocatingly sliding. Thus, in combination with refrigerating plant and hydrogen supply mechanism can provide low temperature, high pressure hydrogen environment, install the material to be measured in test fixture, utilize drive mechanism to be able to exert the pulling force or pressure to the material to be measured to thereby can complete the mechanical property test to the material to be measured.
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