A covert sampler with replaceable sampling points

By designing a concealed sampler with replaceable sampling points, using a detachable threaded connection between the sampling point and the sampling head, and employing low-smoke halogen-free flame-retardant materials, the problem of dirt and clogging at the sampling points is solved, achieving efficient, clean, and reliable smoke detection.

CN224472076UActive Publication Date: 2026-07-07SHENZHEN WOTEHUA SAFETY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN WOTEHUA SAFETY TECH CO LTD
Filing Date
2025-09-01
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

In existing concealed sampling methods, the sampling points become clogged with dirt after long-term use, resulting in low cleaning efficiency and incomplete cleaning, which affects the normal operation of the smoke detector.

Method used

Design a concealed sampler with replaceable sampling points. It adopts a detachable sampling point and a threaded connection between the sampling head and the sampling point. Combined with a sampling pipeline network made of low-smoke, halogen-free, flame-retardant, and environmentally friendly materials, it supports uniform replacement and efficient cleaning methods such as soaking and washing.

Benefits of technology

It improved the cleaning efficiency and effectiveness of sampling points, ensured that the sampling pipeline network did not become a source of environmental pollution, and achieved efficient cleaning of sampling points and reliable smoke detection.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224472076U_ABST
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Abstract

The utility model discloses a kind of concealed samplers with replaceable sampling points, it is related to smoke detection field, including suction type smoke fire detector module, UPS power module and sampling pipe network module;One end between suction type smoke fire detector module and UPS power module is fixedly connected, the vertical distance of suction type smoke fire detector and ground can be selected as distance is 1.5m, corresponding power panel and module box are equipped in suction type smoke fire detector module, the inside of corresponding power panel and module box is equipped with power cord, when the utility model uses detachable concealed sampling mode, sampling point can be removed from sampling head after unified cleaning, and there are more efficient cleaning methods including soaking cleaning, can completely remove dirt on sampling point, to next replacement period, the sampling point after cleaning can be replaced on sampling head, which can effectively improve the cleaning efficiency and effect of sampling point.
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