Scanning-type lidar

A laser radar, scanning technology, applied in the re-radiation of electromagnetic waves, the use of re-radiation, measurement devices and other directions, can solve the problems of low stability, high cost of scanning laser radar, affecting the stability of scanning laser radar, etc. High stability effect

Inactive Publication Date: 2018-07-31
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the scanning lidar with multiple lasers and multiple light sensors not only faces great challenges in terms of cost, but also has extremely high requirements for the mutual cooperation between multiple lasers and multiple light sensors, otherwise it will Affects the stability of scanning lidar
In other words, the scanning lidar is more costly and less stable

Method used

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Embodiment Construction

[0042] The scanning laser radar provided by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] See figure 1 , the first embodiment of the present invention provides a scanning laser radar 10 , including a sending system 12 and a receiving system 14 . The sending system 12 includes a laser 132 , a first lens 130 , a first mirror 128 , a support 124 , a roller 122 , a base 120 and an actuator 126 . The receiving system 14 includes a second lens 140 , a second mirror 142 and a light sensor 144 .

[0044] The base body 120 has a first surface 1202, and the base body 120 defines a first axis 1204, the first axis 1204 is perpendicular to the first surface 1202, and the base body 120 can rotate around the first surface 1202 under the push of an external force. The axis 1204 rotates 360 degrees, that is, the base 120 can rotate horizontally. The device for generating the external force is ...

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Abstract

A scanning-type lidar comprises a transmitting system and a receiving system, wherein the transmitting system comprises a laser and a first reflector; the receiving system comprises a second reflectorand a light sensor; the transmitting system further comprises a substrate capable of horizontally rotating and a supporting body capable of vertically rotating; the first reflector is arranged on thesupporting body; and the supporting body is arranged on the substrate.

Description

technical field [0001] The invention relates to a laser radar, in particular to a scanning laser radar. Background technique [0002] With the rapid development of my country's aerospace industry, people's demand for non-contact atmospheric composition measurement, wind field data measurement, distance measurement, speed measurement, image target recognition and other technical methods is increasing. LiDAR is the solution to the above problems good plan. Due to the highly collimated characteristics of the laser, in order to achieve large-area detection, scanning lidar has been widely used. [0003] Scanning lidar is also currently being applied to unmanned vehicles and unmanned vehicles. In order to sense the signals of moving objects such as unmanned vehicles or unmanned vehicles within a certain range, scanning lidar is generally equipped with multiple lasers and multiple light sensors to avoid missing some important signals. However, the scanning lidar with multiple las...

Claims

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Application Information

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IPC IPC(8): G01S7/481G01S17/02
CPCG01S7/4811G01S17/02
Inventor 游祥杰
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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