Carbon monoxide sensor

By introducing a gas filter component and a limiting ring structure into the carbon monoxide sensor, the problem of interference from impurity gases is solved, achieving efficient and accurate CO detection and rapid alarm, ensuring user safety.

CN224052068UActive Publication Date: 2026-03-27X-SENSE INNOVATIONS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing carbon monoxide sensors cannot effectively remove impurity gases during the detection process, resulting in a decrease in CO gas detection efficiency and accuracy.

Method used

It adopts an inner shell, sealing sheet, electrochemical reaction component, metal base and water storage chamber structure, combined with gas filtration component and electrochemical reaction, uses activated carbon to filter impurity gas, and restricts the gas diffusion path through limiting ring and diffuser to improve the purity of CO detection.

Benefits of technology

It improves the stability and accuracy of CO detection, enables rapid alarm, and ensures user safety.

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Abstract

The utility model relates to the technical field of gas sensors, and discloses a carbon monoxide sensor which comprises an inner shell, a sealing piece, an electrochemical reaction assembly, a metal base and a water storage cavity, the inner shell is provided with an air inlet and a cavity, a gas filtering assembly is arranged in the cavity of the inner shell, and the electrochemical reaction assembly is installed below the gas filtering assembly. A gas limiting sheet, a first gas diffusion sheet, a limiting ring, a membrane electrode assembly and a second gas diffusion sheet are sequentially stacked and mounted on the electrochemical reaction assembly from top to bottom. Therefore, by adopting the carbon monoxide sensor provided by the utility model, the purification treatment on the detected gas is realized by filtering other impurity gases, and the accuracy and the efficiency of carbon monoxide detection are improved.
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