Laser radar

A technology of laser radar and radar, which is applied in the field of distance measurement, can solve problems such as short service life, inevitable wear and tear, easy friction and heat generation, etc., and achieve the effect of saving space and improving space utilization
CN109828286AActive Publication Date: 2019-05-31HESAI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
HESAI TECH CO LTD
Publication Date
2019-05-31

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Abstract

This application discloses a laser radar. The laser radar of the present invention comprises a main shaft, a radar rotor and a communication assembly; the main shaft is set to be of a hollow structure; the communication assembly comprises a first communication module and a second communication module; the first communication module is fixedly arranged relative to the radar rotor; the second communication module is fixedly disposed relative to the main shaft; and at least a portion of the second communication module is disposed inside the main shaft. The laser radar of the present application has the advantages of decreased size and improved integration.
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Description

technical field

[0001] This application relates to the field of distance measurement, in particular to a laser radar. Background technique

[0002] As an important part of the intelligent vehicle environment perception hardware system, Lidar (LIDAR) undertakes important tasks such as roadside detection, obstacle recognition, and real-time localization and mapping (SLAM) in automatic driving. Under the condition of coaxial rotation, the communication between the device on the radar rotor and other fixed devices mainly has the following channels:

[0003] 1. Use slip rings to realize coaxial data transmission. For example, in a mechanical rotating lidar, the stator of the slip ring is connected to the stator of the lidar, and the signal is transmitted to a rotating brush-slip ring connector at the input end, and then the signal is output at the output end of the connector. The rotor of the slip ring is connected to the rotor of the lidar; when rotating, the electrical signal...

Claims

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