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lidar

A lidar and laser technology, applied in instruments, measurement devices, and re-radiation, etc., can solve problems such as the complexity of lidar systems

Active Publication Date: 2021-07-02
SUTENG INNOVATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to provide a laser radar system for the complex problems of the laser radar system

Method used

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Embodiment Construction

[0026] In order to facilitate the understanding of the present invention, and to make the above objects, features and advantages of the present invention more obvious and understandable, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description numerous specific details are set forth in order to provide a full understanding of the invention, and preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive. The present invention can be implemented in many ways other than those described here, and those skilled in the art can make similar improvements without departing from the connota...

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Abstract

The invention relates to a laser radar, comprising: a transmitting device, a vibrating mirror array, a receiving device and a driving device, wherein the transmitting device includes a plurality of lasers, and the lasers are used to emit outgoing signals; the vibrating mirror array includes a plurality of vibrating mirrors, The mirrors are arranged one by one on the outgoing optical axis of the outgoing signal emitted by the laser, and are used to receive and reflect the corresponding outgoing signal, so that the outgoing signal is projected to the target field of view; The echo signal is formed by the reflection of the detected object, and the environmental information of the target field of view is obtained according to the echo signal; the driving device includes a rotating shaft and a driver. The galvanometer array is connected to the rotating shaft and the angle is fixed. Rotate around the axis, and simultaneously drive the laser array, receiving device and galvanometer array to rotate synchronously. Using the galvanometer array to drive the transmitting device and the receiving device to rotate at the same speed, the designed lidar has a simple structure, good stability and good robustness.

Description

technical field [0001] The invention relates to the field of laser radar detection, in particular to a laser radar. Background technique [0002] Lidar is a radar system that emits laser beams to detect the position, speed and other characteristics of the target. Its working principle is to first transmit the detection laser beam to the target, and then receive the signal reflected from the target, and combine the received signal with the transmitted signal. After the signal is compared and processed properly, the relevant information of the target can be obtained, such as target distance, azimuth, height, speed, attitude, and even shape and other parameters. [0003] At present, multi-line laser radar realizes feature scanning and measurement of target objects in various directions, and often includes multiple laser emitters and multiple corresponding laser detectors. Among them, multiple laser emitters are arranged vertically to generate multiple outgoing laser beams with...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/481G01S7/487G01S7/493G01S17/08G01S17/58
CPCG01S7/481G01S7/487G01S7/493G01S17/08G01S17/58
Inventor 王超
Owner SUTENG INNOVATION TECH CO LTD