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Tunnel inspection image acquisition device and tunnel inspection system

A technology of image acquisition device and inspection system, which is applied in mining devices, measuring devices, mining equipment, etc., can solve the problems of low overall efficiency of tunnel inspection operations, complex structure of large-scale flaw detection vehicles, and low timeliness of flaw detection vehicles. Facilitate real-time processing, reduce exposure differences, and improve timeliness

Pending Publication Date: 2019-11-22
SHANGHAI ORIENTAL MARITIME ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, domestic tunnel inspection work mainly relies on manual work, which leads to low overall efficiency, low accuracy, easy missed inspections, and long time-consuming tunnel inspection operations.
At present, the automatic intelligent inspection devices are mostly used in large-scale inspection vehicles with complex structures and high costs, and the detection range is only 180° at most. In particular, the current tunnel inspection inspection vehicles are not time-sensitive. First, tunnel image acquisition is required. After all the images of the tunnel are collected, the tunnel image processing and disease point detection will be performed on the background platform. After the disease is found, it will be notified to the maintenance and other departments to deal with it. This will lead to a very long period of inspection and post-processing of the tunnel.

Method used

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  • Tunnel inspection image acquisition device and tunnel inspection system
  • Tunnel inspection image acquisition device and tunnel inspection system
  • Tunnel inspection image acquisition device and tunnel inspection system

Examples

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Embodiment 1

[0035] see figure 1 , the application provides a tunnel inspection image acquisition device, which is applied to the image acquisition of the inner lining of the tunnel, including: a plurality of CCD cameras 11, a plurality of auxiliary light sources 12 for CCD cameras 11 to shoot and expose, and a fixed bracket 13, The CCD camera 11 and the auxiliary light source 12 are fixed on the fixed bracket 13; wherein, the fixed positions of the multiple CCD cameras 11 are located on the same ring, and in the working state, the center of the ring is located at the center of the tunnel to ensure that the multiple CCD cameras 11 is consistent with the distance from the tunnel lining surface, and the overall shooting angle of multiple CCD cameras 11 covers the range of the tunnel lining surface.

[0036] Now specifically describe this embodiment in detail:

[0037] The image acquisition device for tunnel inspection in this embodiment can be installed on any platform, and connected and in...

Embodiment 2

[0044] see image 3 , the present application provides a tunnel inspection system based on Embodiment 1, which includes a flaw detection mobile platform 2 for traveling on rails, and also includes a computer 31, a display 32, a synchronous encoder 33, A data collector 34, and the tunnel inspection image acquisition device 1 as in Embodiment 1;

[0045] Wherein, the fixed bracket 13 is arranged on the flaw detection mobile platform 2. Under the working condition, the center of the ring where the multiple CCD cameras 11 are located is located at the center of the tunnel, so as to ensure that the distances between the multiple CCD cameras 11 and the inner lining of the tunnel are consistent; The encoder 33 is electrically connected with the CCD camera 11 and the auxiliary light source 12 respectively, and is used to send a synchronous pulse signal every fixed distance to trigger synchronous work of multiple CCD cameras 11 and multiple auxiliary light sources 12 according to the d...

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Abstract

The invention discloses a tunnel inspection image acquisition device and s tunnel inspection system. The tunnel inspection image acquisition device comprises a plurality of CD cameras, a plurality ofauxiliary light sources, and a fixed bracket, wherein the CD cameras and the auxiliary light sources are fixed on the fixed bracket, and fixing positions of the plurality of CCD cameras are arranged on the same circular ring; in a working state, the center of the circular ring is arranged at the circle center of a tunnel so as to ensure that the distances from the plurality of CCD cameras to a tunnel inner lining are identical, and the overall photographic angle of the plurality of CCD cameras cover the range of the tunnel inner lining. According to the tunnel inspection system, the tunnel inspection image acquisition device is arranged on a flaw detection mobile platform and cooperates with a computer, a display, a synchronous encoder and a data collector to perform synchronous photographing, disease identification, real-time stitching and display of the tunnel. The tunnel inspection image acquisition device and the tunnel inspection system have the technical features of wide detection range, fast detection speed and high timeliness.

Description

technical field [0001] The invention belongs to the technical field of tunnel flaw detection, and in particular relates to a tunnel inspection image acquisition device and a tunnel inspection system. Background technique [0002] With the rapid development of China's railways and urban rail transit, problems such as cracking, leakage, and leaky cables in tunnels are inevitable. These problems will seriously affect the driving safety of railways and rail transit, so tunnel inspection work is particularly important. [0003] At present, domestic tunnel inspection work mainly relies on manual work, which leads to low overall efficiency, low accuracy, easy missed inspections, and long time-consuming tunnel inspection operations. At present, the automatic intelligent inspection devices are mostly used in large-scale inspection vehicles with complex structures and high costs, and the detection range is only 180° at most. In particular, the current tunnel inspection inspection veh...

Claims

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Application Information

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IPC IPC(8): G01N21/95G01N21/88G01N21/01E21F17/18
CPCG01N21/9515G01N21/8851G01N21/01E21F17/18G01N2021/8887G01N2021/9518
Inventor 余天乐姚继东毛少虎盛忠义郭建志冯兴鹏夏鸣铭
Owner SHANGHAI ORIENTAL MARITIME ENG TECH CO LTD
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