Laser radar and control method thereof, and automatic driving device

A technology of laser radar and control method, which is applied in the field of laser detection, can solve problems such as inability to meet detection requirements, and achieve the effects of meeting diverse detection requirements, increasing distance measurement, and high resolution

Active Publication Date: 2019-12-31
SUTENG INNOVATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing lidars cannot meet the detection needs in practical applications

Method used

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  • Laser radar and control method thereof, and automatic driving device
  • Laser radar and control method thereof, and automatic driving device
  • Laser radar and control method thereof, and automatic driving device

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Embodiment Construction

[0049] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0050] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by those skilled in the art to which the present invention belongs.

[0051] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right",...

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Abstract

The embodiment of the invention relates to the technical field of laser detection, and discloses a laser radar, a control method thereof and an automatic driving device. The laser radar comprises a first transceiving module for transmitting first exiting laser and receiving first reflected laser; a first scanning module for deflecting the first exiting laser and for receiving the first reflected laser, deflecting the first reflected laser and emitting the deflected laser to the first transceiving module; a beam expanding module for expanding and collimating the first exiting laser passing through the first scanning module and emitting the first exiting laser to a first detection area, and for converging the received first reflected laser in a beam shrinking manner and emitting the first reflected laser to the first scanning module; a second transceiving module for transmitting second exiting laser and receiving second reflected laser; and a second scanning module for enabling the second exiting laser to emit to a second detection area, and for receiving the second reflected laser, deflecting the second reflected laser and emitting the second reflected laser to the second transceiving module. Through the mode disclosed by the embodiment of the invention, the ranging capability of the laser radar is improved.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of laser detection, and in particular to a laser radar, a control method thereof, and an automatic driving device. Background technique [0002] Lidar has the advantages of high precision and high resolution, and at the same time can obtain the surrounding three-dimensional point cloud information, which has become an indispensable key sensor for future autonomous driving. Compare the received reflected laser light reflected from the object in the detection area with the outgoing laser light to obtain the relevant information of the object's distance, speed, orientation, etc. [0003] Among them, the laser radar conducts a comprehensive detection of the entire field of view during the detection process. But in the center of the field of view, or the area where some specific objects are located, it is often necessary to "see" clearer and farther, so lidar needs to have higher resolution...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/93G01S17/50G01S17/58G01S7/481G05D1/02
CPCG01S7/4811G01S7/4817G01S17/50G01S17/58G05D1/0223G05D1/024G05D1/0248G05D1/0257G05D1/0276
Inventor 王吉刘少平
Owner SUTENG INNOVATION TECH CO LTD
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