Multi-line lidar

A multi-line laser and laser technology, used in radio wave measurement systems, instruments, measurement devices, etc., can solve problems such as high cost and complex structure, reduce power consumption and heat generation, and meet the requirements of field of view and resolution. , the effect of expanding the spot diameter

Active Publication Date: 2021-10-19
SUTENG INNOVATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the traditional multi-line lidar has multiple laser transmitters and laser receivers, and its structure is complex and costly

Method used

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Embodiment Construction

[0045] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, not to limit the present application.

[0046] In one embodiment, figure 1 Schematic diagram of a multi-line lidar provided for one embodiment. Such as figure 1 As shown, the multi-line laser radar 1 includes: a laser transmitter 10 for emitting outgoing laser light; a light shaper 25 for expanding the beam coverage of the outgoing laser light; a secondary reflector 11 for shaping the passing light The outgoing laser light of the device 25 is reflected to the primary reflector 12; the primary reflective mirror 12 is used to reflect the outgoing laser light reflected by the secondary reflective mirror 11 to the target object 13...

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Abstract

The invention relates to a multi-line laser radar. Including: a laser transmitter, used to emit outgoing laser light; a light shaper, used to expand the coverage of the outgoing laser light; a secondary reflector, used to reflect the outgoing laser light passing through the light shaper to the main reflector; the main reflector The mirror is used to reflect the laser light reflected by the secondary reflection mirror to the target object in the detection field of view, and is also used to receive the reflected laser light and reflect the reflected laser light to the laser detector; wherein the reflected laser light is the The outgoing laser is reflected by the target object and returned; the receiving lens is used to gather the reflected laser to the laser detector. The laser detector is used to receive reflected laser light and output detection signals; wherein, the laser transmitter, secondary reflector, primary reflector, receiving lens, and laser detector all rotate synchronously around the central axis. The multi-line laser radar proposed in the present application realizes laser detection with single emission and multi-receipt, and has a simple structure and low cost.

Description

technical field [0001] The present application relates to the technical field of laser radar, in particular to a multi-line laser radar. Background technique [0002] With the development and application of optical technology, many laser radar systems that emit laser beams to detect the position, speed, attitude, orientation, shape and other characteristic quantities of target objects have appeared one after another, and the laser radar system can be widely used in various The field of measurement, for example, the field of navigation and positioning technology, the field of engineering ranging technology, etc. [0003] At present, the laser radar system mainly uses multi-line laser radar to realize the feature scanning and measurement of target objects in all directions, and in the multi-line laser radar structure, it often includes multiple laser emitters and multiple corresponding laser detectors. Among them, multiple laser emitters are arranged vertically to generate mu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/481G01S7/487G01S7/493G01S17/88
CPCG01S7/481G01S7/487G01S7/493G01S17/88
Inventor 王超
Owner SUTENG INNOVATION TECH CO LTD
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