Two-dimensional laser radar scanning system and device thereof
A technology of laser radar and scanning system, which is used in measurement devices, radio wave measurement systems, and re-radiation of electromagnetic waves. Scanning monitoring, simple structure, low cost effect
Inactive Publication Date: 2017-01-11
成都希德电子信息技术有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the deficiencies of the prior art, provide a two-dimensional laser radar scanning system and its device, and solve the problem that the existing laser radar scanning device cannot meet high-speed scanning and high-resolution monitoring, and cannot realize fast distance measurement The problem
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[0027] Such as Figure 1-3 As shown, a two-dimensional laser radar scanning system of the present invention includes an accurate and fast laser ranging device 1, and the laser ranging device 1 includes: a laser emitting module for emitting a laser beam, and for receiving laser echoes The laser receiving module for the beam, and the laser circuit module for processing the laser echo beam. The laser emitting module and the laser receiving module are packaged into an integrated module, and the laser emitting beam and the laser echo are emitted and received through the same optical window. The laser circuit module is connected with the laser emitting module and the laser receiving module.
[0028] The laser distance measuring device 1 can quickly and accurately measure the distance information in the current direction, and then transmit the distance information to the main control circuit board 2 connected to it, and the main control circuit board 2 is connected to the zero retur...
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The invention discloses a two-dimensional laser radar scanning system and a device thereof, which comprises a laser distance measuring device, an optical rotating mirror and a motor. The laser distance measuring device, the optical rotating mirror and the motor are arranged in a line on a base. The outgoing light beam of the laser distance measuring device is shot out in the parallel manner after passing through the reflecting surface of the optical rotating mirror. The emergent light beam is reflected after encountering an obstacle and the reflected laser light is in the form of an echo beam. The echo beam is reflected back to the receiving surface of the laser distance measuring device after passing through the receiving surface of the optical rotating mirror again. After the treatment, the current distance information is obtained. The motor drives the optical rotating mirror to rotate at a certain constant speed. During the rotation process, the current distance information can be measured for different laser distance measuring devices correspondingly. Meanwhile, the distance information of different angles are uploaded to data processing equipment through a communication port. After the treatment, the current scanning information can be displayed.
Description
technical field [0001] The invention relates to the field of laser radar scanning, in particular to a two-dimensional laser radar scanning system and a device thereof. Background technique [0002] Lidar is widely used in scanning and monitoring the size of target obstacles and the distance between them and other objects, as well as the running speed of target obstacles, such as the size of obstacles on railway tracks, and the distance and relative speed between rails and obstacles. [0003] Taking the mainstream scanning lidar on the market as an example, this paper briefly introduces the working principle of lidar. Scanning lidar includes a laser transmitter, a laser receiver and a gimbal. The laser transmitter emits a beam of laser pulse, which is received by the laser receiver after being reflected by the target object. Laser receivers accurately measure the time between when a light pulse is emitted from the laser and when it is received by the laser. While the speed...
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IPC IPC(8): G01S17/48
CPCG01S17/48
Inventor 严强何家玉凃海洋李薪杨永刚
Owner 成都希德电子信息技术有限公司