Smoke exhaust device for building fire protection

The utility model discloses a smoke exhaust device for building fire protection. The smoke exhaust device comprises a shell, a fan, a battery, a connecting frame, a power device, a control device and a lighting device. The shell is of a cylindrical structure, a smoke outlet is formed in the top of t...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HUANG XIANCHEN, MA JIANLEI, ZHANG QINGHUA, ZHAO WEI, KAO YUPAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED LIGHTING MECHANICAL ENGINEERING RANGES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR VENTILATING WEAPONS
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