Various embodiments relate to a radar reflector configured for radar-based distance measurements to determine a position of an elevator car within an elevator shaft. The radar reflector includes three or more triangular panels that define a pyramidal frustum volume having a base plane and an upper plane that are parallel. The pyramidal frustum volume is configured to reflect radar signals originating from the radar transceiver directly back to the radar transceiver based, at least in part, on triangular panels perpendicular to each other at a projection apex above the upper plane. The reflected radar signal reflected by the radar reflector has a substantially parallel trajectory with the original pre-reflected radar signal transmitted by the radar transceiver. Triangular panels of radar reflectors perpendicular to each other advantageously maintain direct reflection of radar signals regardless of any potential horizontal tilt of the radar reflectors to a certain extent.
各种实施例涉及雷达反射器,其被构造成用于基于雷达的距离测量,以确定电梯轿厢在电梯竖井内的位置。雷达反射器包括三个或更多个三角形面板,这些三角形面板限定具有平行的基部平面和上平面的金字塔形平截头体体积。金字塔形平截头体体积被构造成至少部分地基于在上平面上方的投影顶尖处相互垂直的三角形面板,而将源自雷达收发器的雷达信号直接反射回到雷达收发器。由雷达反射器反射的反射雷达信号与由雷达收发器发射的原始反射前雷达信号具有基本平行的轨迹。相互垂直的雷达反射器的三角形面板有利地保持雷达信号的直接反射,而不管雷达反射器在一定程度上的任何潜在水平倾斜。
Truncated radar reflector for elevator positioning
用于电梯定位的平截头体设计的雷达反射器
2023-05-05
Patent
Electronic Resource
Chinese
IPC: | B66B Aufzüge , ELEVATORS |
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