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Detection module and laser ranging system

A technology for detecting components and modules, applied in the field of laser measurement, can solve the problems of high weight and structural complexity of the laser ranging system, and achieve the effects of increasing the weight and structural complexity, reliable detection, and fine detection.

Active Publication Date: 2022-04-12
TANWAY TECH (BEIJING) CO LTD
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Problems solved by technology

[0005] This application provides a detection module and a laser ranging system, which can solve the problems of high weight and structural complexity of the laser ranging system in the related art

Method used

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  • Detection module and laser ranging system
  • Detection module and laser ranging system
  • Detection module and laser ranging system

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Embodiment Construction

[0034] In order to make the purpose, technical solution and advantages of the present application clearer, the implementation manners of the present application will be further described in detail below in conjunction with the accompanying drawings.

[0035] figure 1 It is a schematic structural diagram of a laser distance measuring system provided in the embodiment of this application. see figure 1 , the system includes: a light source 10 , a detection module 20 , and a signal processing component 30 .

[0036] Wherein, the light source 10 is used to emit local oscillator light. The detection module 20 is used to detect the local oscillator light emitted by the light source 10 and the reflected light after the local oscillator light is reflected by the target object, so as to generate a detection electrical signal. The signal processing component 30 is used for processing the detection electric signal output by the detection module 20 to determine the distance between the ...

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Abstract

The invention discloses a detection module and a laser ranging system. The detection module comprises a plurality of first detection assemblies located in a first area and a plurality of second detection assemblies located in a second area. The distance between every two adjacent first detection assemblies is greater than the distance between every two adjacent second detection assemblies, so that the detection resolution of the second area can be ensured to be relatively high. Correspondingly, the detection area of each second detection assembly in the second area covers the area with the high probability of occurrence of the detection object, so that fine detection of the detection object can be realized. The detection area of each first detection assembly in the first area covers the area with low probability of occurrence of the detection object, so that the detection module can be ensured to have a large detection range.

Description

technical field [0001] This application relates to the field of laser measurement, in particular to a detection module and a laser ranging system. Background technique [0002] In the field of laser measurement, the laser ranging system can use frequency modulated continuous wave (FMCW) technology to measure the distance between the target object and the laser ranging system, as well as the moving speed of the target object relative to the laser ranging system. [0003] In related technologies, a laser ranging system generally includes a laser light source and multiple detectors. Wherein, the laser light source emits local oscillator light, and the local oscillator light will generate reflected light after being emitted by the target object. The multiple detectors are used to generate detection electric signals based on the detected local oscillator light and reflected light, and the detection electric signals can be used to determine the distance between the target object ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/58G01S17/48
Inventor 李洪鹏郑睿童王世玮沈罗丰
Owner TANWAY TECH (BEIJING) CO LTD
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