Waterproof pressure sensor

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By embedded sealing airbags in the waterproof pressure sensor and adjusting their resistance force with the inflatable sealing assembly, the problem of sealing gasket falling off in high-pressure environment is solved, achieving better sealing effect and service life.

CN119714669APending Publication Date: 2025-03-28LONGWAY TECH WUXI

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Patent Information

Application Number: CN202510152588.0
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2025-02-12
Publication Date: 2025-03-28

Application Information

Patent Timeline

12 Feb 2025

Application

CN202510152588.0

28 Mar 2025

Publication

CN119714669A

IPC: G01L19/00; G01L7/08

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Application Domain

Fluid pressure measurement using elastically-deformable gauges

Technology Topics

Stress sensors Physics

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AI Technical Summary

Technical Problem

When existing waterproof pressure sensors face high-pressure environments, the sealing gasket is prone to fall off, resulting in poor sealing effect.

Method used

A waterproof pressure sensor is designed, and its installation device embeds the sealing airbag in the cylinder and the cap, and adjusts the resistance force of the sealing airbag according to the water pressure through an inflatable sealing assembly to improve the sealing effect.

Benefits of technology

It effectively improves the water pressure tolerance of the sealed airbag, enhances the sealing effect between the cylinder and the cap, extends the service life of the sealing member, and avoids the service life reduction caused by the squeeze of the sealed airbag.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of pressure sensors, and discloses a waterproof pressure sensor, which comprises sensing equipment, the sensing equipment comprises a cylinder, a cap is in threaded connection with the upper part of the cylinder, a water inlet is formed in the cap, a mounting device is arranged on the side wall of the cylinder, and the mounting device comprises a cylinder inner caulking groove formed in the side wall of the cylinder. A cap embedded groove is formed in the cap, a sealing air bag is installed in the barrel embedded groove and the cap embedded groove, a driving wedge block is fixedly connected to the portion, close to the barrel embedded groove, of the sealing air bag, the side wall of the driving wedge block abuts against an installation abutting rod, and an installation driving rod is fixedly connected to the top of the installation abutting rod. According to the scheme, the sealing gasket has the beneficial effects that the abutting force between the air bag and the shell is changed according to the external pressure environment, so that the sealing effect is improved, and the problem that the sealing gasket is likely to fall off due to the fact that the liquid pressure in the external environment is large is solved.

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