Application Plan and Introduction of Airflow Management System in Hospital Projects

Air Flow Direction Management System

Introduction to the Air Flow Direction Management System:

The Air Flow Direction Management System is an integrated control device that regulates the pressure difference between adjacent spaces by controlling the ratio of exhaust and supply air. It is primarily used in negative pressure wards, cleanrooms, gas laboratories, and similar environments.

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Components of the Air Flow Direction Management System:

Mainly consists of: micro differential pressure detectors, damper/fan status acquisition controllers, motorized dampers, exhaust/supply fans, air flow direction management host, and more.

Air Flow Direction Management System Products:

Air Flow Direction Management Host: Installed at nursing stations or manned locations, it graphically displays pressure differences in negative pressure wards and the open/closed status of motorized airtight dampers; remotely controls the opening and closing of motorized airtight dampers, and provides audible and visual alarms for pressure imbalance and fan failures.

Air Flow Direction Controller: Installed in fan rooms or electrical distribution rooms, it controls the opening and closing of dampers and the start/stop sequence of fans.

Airflow/Pressure Detector: Installed at the main fan duct to detect airflow and pressure.

Micro Differential Pressure Detector: Installed at the entrance side of the room for easy observation, with an accuracy of ≤1Pa; features manual control functionality to operate motorized airtight dampers.

Linkage Controller: Installed at the damper location, it automatically and continuously adjusts supply/exhaust airflow based on changes in pressure difference or airflow values, receives commands from the controller to open/close supply/exhaust dampers, and feedback status information.

Motorized Differential Pressure Dynamic Regulating Valve (Airtight Type): Used in conjunction with the linkage controller, installed on the exhaust branch duct outside the room, dynamically adjusts exhaust airflow according to pressure changes, and shuts off for disinfection.

Motorized Airtight Damper: Used in conjunction with the linkage controller, installed on supply and exhaust branch ducts outside the room, shuts off for disinfection.

Application of the Air Flow Direction Management System:

The Air Flow Direction Management System is a pressure difference/airflow mechatronic system developed for public safety in medical buildings. It supports multiple operating modes, including combined normal and epidemic scenarios, monitors and controls pressure gradients and supply/exhaust system airflow in real-time. Through precise control of pressure difference/airflow, it achieves automated air direction control and refined management, prevents the spread of hazardous air, resolves cross-contamination between rooms, and stops pathogens from transmitting via airflow between departments, wards, or even hospital zones. It assists hospitals in preventing nosocomial infections and helps create and maintain a healthy environment.