Wide-angle lens for elevator lift car
The utility model relates to a wide-angle lens for an elevator lift car in the field of wide-angle lenses. The wide-angle lens comprises a lens surface and a fixing frame, wherein the lens surface is spherical; at least three screw holes which are used to be fixedly connected with the fixing frame a...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a wide-angle lens for an elevator lift car in the field of wide-angle lenses. The wide-angle lens comprises a lens surface and a fixing frame, wherein the lens surface is spherical; at least three screw holes which are used to be fixedly connected with the fixing frame are formed on the inner side of the edge of the lens surface at intervals; and the fixing frame is fixedly connected to the inner wall of the corresponding elevator lift car. By the wide-angle lens, elevator passengers can view surrounding conditions in the lift car, so that the aims of finding potential safety hazards in advance and correspondingly preventing danger in advance are fulfilled. |
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