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Laser emitting device and laser radar system

A laser emission and laser technology, applied in the field of lidar systems and laser emission devices, can solve the problems of difficult to dissipate and large heat generation, and achieve the effect of simple assembly, solving heat dissipation, and avoiding damage

Inactive Publication Date: 2019-12-20
ORADAR TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the current laser radar system, in order to improve the ranging range of the laser radar, multi-channel laser radars are usually set up for scanning. Each channel has multiple lasers and is directly installed on the transmitting circuit board, resulting in high heat generation and hard to get out

Method used

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  • Laser emitting device and laser radar system
  • Laser emitting device and laser radar system
  • Laser emitting device and laser radar system

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Embodiment Construction

[0026] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of the embodiments of the present invention, not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0027] It should be noted that the terms "first" and "second" in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and not necessarily used to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under ap...

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Abstract

The invention discloses a laser emitting device comprising a laser emitting unit, a FAC lens, a heat sink, and a laser reflecting unit, wherein the laser reflecting unit includes a laser deflector anda reflecting mirror, and the FAC lens is provided between the laser emitting unit and the laser deflector; the laser emitting unit, the FAC lens and the laser deflector are mounted on the heat sink.In the invention, the laser emitting unit is installed on the heat sink, which can dissipate the heat generated by the laser emitting unit during operation and avoid damage to the device; in addition,the reflecting unit optimizes the propagation light path inside the laser emitting device, thereby achieving the characteristics such as compact overall structure, simple assembly, and high testing performance of the laser emitting device has, and also solving the problem of heat dissipation of the multi-line laser emitting unit.

Description

Technical field [0001] The present invention relates to the technical field of laser radar, in particular to a laser emitting device and a laser radar system including the laser emitting device. Background technique [0002] Lidar system is a system that emits laser beams to detect target objects, speed and other information. The lidar system has the characteristics of long detection range, high resolution, and little environmental interference, so it is widely used in many technical fields such as intelligent robots, unmanned aerial vehicles, and unmanned driving. [0003] The lidar system includes a laser emission system and a receiving system. The laser emission system generates laser pulses and emits laser pulses (laser beams) to the target object. The laser beam hits the target object and emits it back. The laser signal reflected by the target object ( The laser pulse) is received by the laser receiving system, and the receiver of the laser receiving system accurately measure...

Claims

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Application Information

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IPC IPC(8): G01S7/481G01S17/08
CPCG01S7/481G01S7/4818G01S17/08
Inventor 罗佳林黄开占志鹏李君梅
Owner ORADAR TECH CO LTD
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