Annular light spot TIR optical lens

The utility model discloses an annular light spot TIR optical lens which comprises an optical lens shell, an LED lamp bead, a heat dissipation structure, a first refracting face and a reflecting face, the LED lamp bead is installed at the center position of the bottom of the optical lens shell, a le...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZONG JINHUA, ZHANG MAOLEI, AI WEILIN, HE XINGUANG
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 LIGHTING MECHANICAL ENGINEERING STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses an annular light spot TIR optical lens which comprises an optical lens shell, an LED lamp bead, a heat dissipation structure, a first refracting face and a reflecting face, the LED lamp bead is installed at the center position of the bottom of the optical lens shell, a lens body is installed in the optical lens shell, a light cavity is formed in the lens body, and the first refracting face and the reflecting face are arranged in the light cavity. The first refracting surface is arranged on the inner wall of the lens body at the position of the optical cavity, the reflecting surface is arranged on the outer wall of the lens body on one side of the first refracting surface, the second refracting surface is arranged at the top end of the lens body above the reflecting surface, a heat dissipation cavity is formed in the center of the bottom of the optical lens shell, and a heat dissipation structure is arranged in the heat dissipation cavity. According to the LED lamp, annular light sp