Emergency vehicle-mounted isolation mask

Abstract

This invention discloses an emergency vehicle-mounted isolation face shield, belonging to the field of personal protective equipment technology. The face shield includes a main body, an airtight fit structure, a dual-path independent airflow module, a multi-stage virus filtration and purification unit, an external air supply interface, an anti-fog window, and quick-fix components. The main body is integrally formed from a transparent anti-fog window and flexible edging; the airtight fit structure uses a three-section silicone sealing gasket combined with a micro-groove air-guiding structure to achieve a 360° low-leakage seal; the dual-path independent airflow module achieves physical separation of inhaled and exhaled air; the multi-stage filtration unit includes a pre-filter layer, a high-efficiency nano-filter layer, a virus inactivation layer, and a deodorizing adsorption layer; the external air supply interface can be connected to a vehicle-mounted air supply system, achieving unlimited endurance and automatic air source switching. This invention solves the problems of poor airtightness, low filtration efficiency, breathing difficulties, limited endurance, and inconvenience in emergency situations found in existing face shields, and is suitable for various scenarios such as infectious disease control, fire escape, and vehicle-mounted emergency response.

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