A switching tool, an altitude simulation test vacuum measurement system and a measurement method

By combining a connecting cylinder, a sliding component, and an elastic component between the pressure-sensing tube and the adapter tube, the problem of thin film plastic deformation was solved, achieving high-precision vacuum measurement and extended lifespan, while reducing testing costs.

CN122407407APending Publication Date: 2026-07-17BEIJING INST OF AEROSPACE TESTING TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING INST OF AEROSPACE TESTING TECH
Filing Date
2026-05-22
Publication Date
2026-07-17

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Abstract

本发明涉及高空模拟试验技术领域，公开了一种转接工装、高空模拟试验真空测量系统及测量方法，其中转接工装应用于将真空舱与真空计连通，真空舱连通有转接管，真空计包括壳体，壳体连通有引压管，壳体内设置有薄膜和调理电路，转接工装包括连接筒，连接筒用于设置在转接管和引压管之间；连接筒内沿连接筒的轴向可密封滑动设置有滑动件，滑动件将连接筒的内部从上至下分隔成测压腔和活动腔，测压腔与引压管连通，活动腔与转接管连通；活动腔设置有弹性件，弹性件的一端与滑动件连接，且用于向滑动件施加沿连接筒的轴向的弹力，本发明能够确保经过长期反复使用后薄膜不会产生塑性形变。
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