Explosion-proof gas density gauge
By using a pressure-sensing diaphragm to provide feedback on air pressure, the conductive plate triggers a switch to activate the pressure relief valve. Combined with temperature compensation from a reference airbag, this solves the problems of explosion-proof and measurement accuracy of the gas density meter, enabling autonomous pressure relief and high-precision measurement.
CN224354263UActive Publication Date: 2026-06-12WUXI KAIFENG ELECTRIC TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI KAIFENG ELECTRIC TECH CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-06-12
AI Technical Summary
Technical Problem
When existing gas density gauges are used in explosion-proof environments, conventional explosion-proof measures can easily damage the instruments and they lack an independent pressure relief function.
Method used
The design incorporates a pressure-sensitive diaphragm to provide air pressure feedback. Changes in air pressure within the pressure-sensitive chamber trigger a switch on a conduction plate, activating a pressure relief valve for autonomous pressure release. Combined with a reference airbag for temperature compensation, this enhances measurement accuracy and sensitivity.
Benefits of technology
It achieves autonomous pressure relief and explosion-proof function, improves measurement accuracy and sensitivity, and protects the instrument from damage.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224354263U_ABST
Abstract
The utility model belongs to gas density measurement technical field, especially relates to a kind of anti-explosion gas density gauge. Including: pressure sensing chamber, it is laid in the outside of the shell, and with the inner chamber of the shell is communicated;Pressure sensing diaphragm, its edge end is fixedly sealed with the inner wall of the pressure sensing chamber, axial end bottom is equipped with mandrel, the mandrel is slidably inserted in shaft hole and extends to the lead-through chamber of outside, wherein the shaft hole is opened in the bottom of the pressure sensing chamber, the lead-through chamber is laid in the bottom of the pressure sensing chamber;Spring, it is sleeved on the mandrel, and the upper end of the spring is connected with the pressure sensing chamber, lower end is connected with lead-through plate, the lead-through plate is connected with the lower end of the mandrel, the inner chamber bottom of the lead-through chamber still includes the touch switch of setting. The utility model is pushed by pressure sensing diaphragm and makes lead-through plate and touch switch touch, so that its pressure relief valve opens to carry out timely pressure relief, reach the function of self pressure relief explosion-proof.
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