Visual safety guiding device for expressway tunnel

The utility model discloses a visual safety guiding device for an expressway tunnel. The reflecting ring structure comprises a plurality of reflecting rings (2) which are sequentially arranged at intervals along an expressway tunnel (1), lED light sources (3) are arranged between the adjacent reflec...

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Bibliographische Detailangaben
Hauptverfasser:	YANG LINSONG, YAO SHENGSONG, YANG HUAYAN, TIAN ZHEN, DU CHAO, YI YINGKUAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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 INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a visual safety guiding device for an expressway tunnel. The reflecting ring structure comprises a plurality of reflecting rings (2) which are sequentially arranged at intervals along an expressway tunnel (1), lED light sources (3) are arranged between the adjacent reflective rings (2) at the entrance section and the exit section of the expressway tunnel (1), the brightness of the LED light sources (3) at the entrance section of the expressway tunnel (1) is gradually reduced from a tunnel entrance to the tunnel interior, and the brightness of the LED light sources (3) at the exit section of the expressway tunnel (1) is gradually increased from the tunnel interior to a tunnel exit. According to the utility model, the tunnel entrance section and the tunnel exit section form a visual adaptation area with gradually changed illumination intensity; according to the expressway tunnel lamp, the phenomenon that light changes drastically at the entrance and exit of atunnel is avoided, it is