A smoke sensor calibrating device
By incorporating a fireproof airbag and inert gas to extinguish combustibles in the smoke sensor calibration device, the combustion problem caused by improper operation was solved, thus ensuring the safety of the device and the reliability of the calibration.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUIZHOU ANTUO TECHNOLOGY CO LTD
- Filing Date
- 2025-07-21
- Publication Date
- 2026-06-19
AI Technical Summary
During the use of existing smoke sensor calibration devices, improper operation may cause flammable materials such as cotton swabs to fall out, leading to internal combustion of the device and causing property damage.
A fireproof airbag filled with inert gas, such as nitrogen or carbon dioxide, is installed in the smoke sensor calibration device to extinguish combustibles such as burning cotton swabs. Combined with filter and control components, it ensures uniform smoke distribution and safe calibration.
It effectively prevents internal combustion of the device, protects equipment safety, and ensures the reliability and safety of the verification process.
Smart Images

Figure CN224383780U_ABST