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Intelligent detection method and device for KIT board

A technology of intelligent detection and template, applied in the direction of measuring devices, optical devices, instruments, etc., can solve problems such as difficult realization, lack of workpieces, detection, etc., to improve accuracy and detection efficiency, save manpower, avoid rework and maintenance work Effect

Inactive Publication Date: 2020-06-05
SHANGHAI ACOUSTICS LAB CHINESE ACADEMY OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the technical solution provided by this patent application document needs to establish a three-dimensional imaging model, and the algorithm used is relatively complicated and difficult to implement
Most importantly, this technical solution does not detect the vacancy on the assembly board to be detected, and there will be a lack of workpieces

Method used

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  • Intelligent detection method and device for KIT board
  • Intelligent detection method and device for KIT board
  • Intelligent detection method and device for KIT board

Examples

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Embodiment 1

[0061] The intelligent detection method of the KIT board that this embodiment provides, see figure 1 , which is divided into two parts: modeling and detection. Scan and measure the KIT board, map the scanned distance point cloud data into a two-dimensional color image, use the OpenCV image processing algorithm to extract the component contour information, and calculate the area, grayscale, height and other feature data in the component contour area. During modeling, the feature data is stored in the template feature database; during detection, the feature data is the object to be compared with the template feature data.

[0062] In order to make the method of the present invention more clear, modeling and detection will be described separately below. But in practice, modeling and detection can be combined. For example, when scanning a standard KIT board, its feature data is the modeling data; when scanning a test KIT board, its feature data is the object to be compared. Aft...

Embodiment 2

[0099] This embodiment provides a device for implementing the intelligent detection method for a KIT board in the first embodiment above. see Figure 8 , the device specifically includes:

[0100] The scanning distance measurement module 1 scans and measures the standard KIT board, and obtains the distance between each point on the standard KIT board and the scanner;

[0101] Image mapping module 2, which maps the measured distance to a two-dimensional color image;

[0102] The basic template building module 3 uses the openCV image processing algorithm to extract the outline of the part in the two-dimensional color image to obtain the basic template file of the part;

[0103] Extended template builds module 4, according to the outline in basic template file, calculates the feature data of each part, saves as template feature data, obtains extended template file; Described feature data includes gray value, area value and height value;

[0104] Template characteristic databas...

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Abstract

The invention discloses an intelligent detection method and device for a KIT board. Omission and negligence which may occur in the manual assembly process are avoided; the size specification and the number of parts are wrong, extra workload of checking parts is brought to locomotive maintainers; and the like. A scanning distance measurement module is adopted to perform scanning distance measurement on the standard KIT board; the scanned distance point cloud data is mapped into a two-dimensional color image; an OpenCV image processing algorithm is adopted, part contour information is extracted,feature data such as the area, the gray scale and the height in a part contour area are calculated, then a to-be-detected KIT board is scanned, the two sets of feature data are compared, and rapid and intelligent detection of part vacancies, part size errors and the like of the KIT board is achieved. According to the invention, errors can be found in time, parts can be supplemented or wrong partscan be replaced, hidden dangers to locomotive driving safety caused by careless omission in manual inspection and maintenance by using wrong specification parts are avoided, a large amount of manpower is saved, and the accuracy and efficiency of KIT board detection can be improved.

Description

technical field [0001] The invention belongs to the technical field of intelligent detection, and in particular relates to an intelligent detection method and device for a KIT board. Background technique [0002] The complete set of process assembly board (hereinafter referred to as KIT board) is an assembly frame specially designed to place and store various types of locomotive parts during the locomotive maintenance process. There are many types of KIT boards, and the specifications and sizes of the components on the board are different. At present, most of the cases are manually assembled, so that components of specified specifications can be inserted into different types of KIT boards. Due to possible omissions and negligence in the assembly process, resulting in wrong size specifications and quantities of components, it will bring additional workload to the locomotive maintenance personnel to check the components, and at the same time, it also increases the risk of usi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00G01B11/02G01B11/06G01B11/24G01B11/28
CPCG01B11/00G01B11/026G01B11/0608G01B11/24G01B11/28
Inventor 李艳梅孙洋顾亚平
Owner SHANGHAI ACOUSTICS LAB CHINESE ACADEMY OF SCI
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