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Three-camera handheld three-dimensional laser scanner for hole site flash measurement

A three-dimensional laser and three-camera technology, applied in the field of three-dimensional scanners, can solve the problems of slow speed, limited diameter, reduced hole measurement accuracy and stability, etc., to achieve the effect of improving the diameter range and solving conflicts.

Pending Publication Date: 2021-01-12
ZG TECH CO LTD
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  • Summary
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the area of ​​the hole position flash measurement is relatively small, the speed is slow, and the diameter of the hole that can be measured is limited.
At the same time, because the camera can only recognize 1 / 2 field of view marker points, it will reduce the accuracy and stability of hole position measurement

Method used

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  • Three-camera handheld three-dimensional laser scanner for hole site flash measurement

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Embodiment Construction

[0015] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0016] Such as figure 1 As shown, the embodiment of the present invention provides a three-camera hand-held three-dimensional laser scanner for quick measurement of hole positions, including: a link handle 1, and a camera 2 is provided at each end of the link handle 1 , the middle part of the link handle 1 is provided with a laser 3, the focal points of the two cameras 2 overlap and are located on the optical path of the laser 3; on the link handle 1, the laser 3 and one of them Between the cameras 2, there is also a hole-measuring camera 4, the focus of the hole-measuring camera 4 overlaps with the focus of the cameras.

[0017] The lens of the camera 2 is also covered with a filter 5, and the lens periphery is pr...

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Abstract

The invention relates to a three-camera handheld three-dimensional laser scanner for hole site flash measurement, and the laser scanner comprises a connecting rod type handle, wherein two ends of theconnecting rod type handle are respectively provided with a camera, the middle part of the connecting rod type handle is provided with a laser, and focuses of the two cameras are overlapped and are positioned on a light path of the laser; a hole measuring camera is further arranged on the connecting rod type handle and between the laser and one camera, and the focus of the hole measuring camera isoverlapped with the focuses of the two cameras. The relative positions of the three cameras are fixed, and the value of the hole can be calculated through the position relation of the three cameras and the collected three sets of images. The problem of contradiction between identification mark points and measurement holes is solved, and the diameter range, speed and precision of the measurement holes are improved.

Description

technical field [0001] The invention relates to the technical field of three-dimensional scanners, in particular to a three-camera hand-held three-dimensional laser scanner for quick measurement of hole positions. Background technique [0002] The current handheld laser 3D scanners with the hole position flash measurement function are all binocular cameras. When measuring the hole position, it is necessary to be able to identify enough marker points, and to illuminate and overexpose the plane around the target hole. The light does not need to be too bright to identify the mark point, and the light needs to be very bright for the measurement hole, and the two are contradictory. Therefore, the light emitted by the hole measuring lamp needs to be very concentrated, and can only illuminate 1 / 2 of the field of view of the camera for hole measurement, and the remaining 1 / 2 of the field of view is used to identify the marker points. Only in this way can the measurement of the hole...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/24G01B11/08
CPCG01B11/08G01B11/24
Inventor 朱中尉陈祥王晓南
Owner ZG TECH CO LTD
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