Explosion-proof automatic water quality sampling device

By employing compressed air drive and explosion-proof design, the automatic water sampling device solves the problem of explosions caused by electric sparks in flammable and explosive environments, achieving safe and reliable water sampling and refrigeration, and is suitable for high-risk environments.

CN224202818UActive Publication Date: 2026-05-05ZHEJIANG XIAOQIAO LIUSHUI ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202521023327.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-05-05
Estimated Expiration
2035-05-23

AI Technical Summary

Technical Problem

Traditional water samplers pose a risk of explosion due to electrical sparks in flammable and explosive environments. Compressor-type refrigeration systems require electrical components for cooling, which does not meet explosion-proof requirements, and their self-heating performance is poor, affecting the stability and lifespan of the control board.

Method used

Compressed air is used to drive all components, including explosion-proof solenoid valves, pneumatic motors, and peristaltic pumps. Combined with an explosion-proof enclosure and a semiconductor cooling chip, the entire process is designed to be completely electricity-free, meeting explosion-proof requirements.

Benefits of technology

It enables safe water sampling and refrigeration in high-risk environments, improves the safety and service life of the device, and fills the technological gap in safe water sampling in high-risk environments.

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Abstract

An explosion-proof type automatic water quality sampling device relates to the technical field of water quality sampling equipment and comprises a control unit, a sampling unit, a sample reserving unit and an air refrigerator, the control unit comprises an explosion-proof box and a power supply and a control panel in the explosion-proof box, and the sampling unit sequentially comprises a compressed air source, an explosion-proof electromagnetic valve, a pneumatic motor and a peristaltic pump. The compressed air source, the explosion-proof electromagnetic valve and the pneumatic motor are connected through air pipes, the pneumatic motor and the peristaltic pump are connected through a coupler, the control panel controls a passage of the explosion-proof electromagnetic valve, the sample reserving unit comprises a refrigerating box and a sample reserving bottle in the refrigerating box, and the peristaltic pump is connected with a water source and the sample reserving bottle through water pipes. And the air refrigerator is respectively connected with the explosion-proof electromagnetic valve and the refrigerating box through air pipes. All devices in the sampling and refrigerating process are driven by compressed air instead of electric power, the whole machine has an anti-explosion function, is suitable for water quality sampling in dangerous scenes, and fills the technical blank of safety requirements of water quality sampling in high-risk environments.
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