Vehicle equipped with a lidar sensor

The encapsulation of the lidar sensor with a monitoring unit addresses the range reduction and safety risks by maintaining safe operation and detecting encapsulation damage, enhancing both range and safety.

DE102024003404A1Pending Publication Date: 2026-04-23MERCEDES BENZ GROUP AG
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Patent Information

Application Number
DE102024003404
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-10-17
Publication Date
2026-04-23

AI Technical Summary

Technical Problem

The attenuation of lidar sensor radiation through a windshield reduces its range, posing a safety risk to individuals inside and outside the vehicle due to the beam's power exceeding eye safety thresholds.

Method used

An encapsulation surrounds the lidar sensor, sealed against the windshield, with a monitoring unit to detect malfunctions or damage, ensuring the lidar operates within safe power limits and preventing radiation leakage.

Benefits of technology

Enhances lidar range and ensures eye safety by detecting and responding to encapsulation damage, preventing hazardous situations.

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Abstract

The invention relates to a vehicle (1) with a lidar sensor (5) positioned behind a windshield (7) of the vehicle (1) in the vehicle interior (3), wherein the radiation (9) emitted by the lidar sensor (5) passes through a transparent surface of the windshield (7). In a vehicle with a lidar sensor, the range of the lidar sensor can be increased without endangering persons in or around the vehicle.To prevent the lidar sensor (5), which emits radiation (9) with a radiation power above a predetermined eye safety threshold, is provided with a capsulation (13) encompassing the lidar sensor (5) and sealing against the windshield (7) to protect against escaping radiation. This capsulation (13) can be monitored by a monitoring unit (17) for a malfunction, in particular a mechanical destruction of the windshield (7) and / or capsulation (13). The monitoring unit (17) is coupled to monitoring electronics (19) controlling the lidar sensor (5) for the purpose of detecting a malfunction.
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