Respiratory protection device

The invention provides a respiratory protection device. The device comprises an outer shell part, a sound amplifying element, a filter part, a main body, a base and a mask. A ventilation opening is formed in the end of the main body, the filter part and the outer shell part are arranged on the end o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUANG YUNCHENG, GAO TIANWEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES DEAF-AID SETS DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS OUTERWEAR PROTECTIVE GARMENTS PUBLIC ADDRESS SYSTEMS WEARING APPAREL
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Beschreibung
Zusammenfassung:	The invention provides a respiratory protection device. The device comprises an outer shell part, a sound amplifying element, a filter part, a main body, a base and a mask. A ventilation opening is formed in the end of the main body, the filter part and the outer shell part are arranged on the end of the main body, a preset spacing distance is arranged between the outer shell part and the main body, the filter part is arranged between the outer shell part and the main body, a ventilation gap is spaced between the filter part and the outer shell part, the main body is arranged on one side of the base, a cavity with an air outlet is formed between the main body and the base, the mask is arranged on the other side of the base, and the sound amplifying element is arranged in the respiratory protection device and used for amplifying the received sound. According to the respiratory protection device, the ventilation gap is formed between the outer shell part and the filter part, the filter part can be protected, th