Inspection method of electrical part, inspection apparatus of electric junction box and inspection apparatus of terminal fittings
First Claim
1. An inspection apparatus of an electric junction box having a plurality of mounts on which electric parts are mounted, for inspecting mounting state of the electric parts, said each electric part having a different mark on an outer surface thereof depending upon an item symbol thereof, the inspection apparatus comprising:
- image pickup means for picking up an image including said mark of the electric part mounted on the mount;
extraction means for (1) storing image consulting data containing a plurality of images including said marks of the electric parts of all the item symbols to be mounted in the electric junction box as a subject of the inspection and normal data indicating the proper item symbols of the electric parts mounted on the corresponding mounts, and for (2) comparing the image including said mark of the electric part mounted on the mount picked up by the image pickup means and the image in the image consulting data, and for (3) extracting the item symbol of the electric part having the most analogous image from the images in the image consulting data; and
judgment means for judging the quality of the mounting state of the electric parts on the mount by comparing the item symbol of the electric part having the most analogous image and said normal data.
1 Assignment
0 Petitions
Accused Products
Abstract
An inspection apparatus of an electric junction box is provided, by which improper mounting of electric parts can be detected. The inspection apparatus 1 has a CCD camera 5, an image-processing device 7 and a control device 8. The CCD camera picks up images of fuse 14 in the electric junction box 12 as a subject of the inspection. The image-processing device 7 stores an image consulting data 60. The image consulting data 60 includes a plurality of images of each fuse 14 having the same item symbol with regard to every item symbol, the fuses 14 being used in the electric junction box 12. The control device 8 stores normal data indicating the proper item symbol of the fuse 14 to be mounted on a corresponding mount 13. The image-processing device 7 extracts the image most analogous to the image picked up by the CCD camera 5 from the images in the image consulting data. The control device 8 judge the quality of the item symbol of the fuse 14 having the most analogous image on the basis of the normal data.
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Citations
13 Claims
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1. An inspection apparatus of an electric junction box having a plurality of mounts on which electric parts are mounted, for inspecting mounting state of the electric parts, said each electric part having a different mark on an outer surface thereof depending upon an item symbol thereof, the inspection apparatus comprising:
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image pickup means for picking up an image including said mark of the electric part mounted on the mount; extraction means for (1) storing image consulting data containing a plurality of images including said marks of the electric parts of all the item symbols to be mounted in the electric junction box as a subject of the inspection and normal data indicating the proper item symbols of the electric parts mounted on the corresponding mounts, and for (2) comparing the image including said mark of the electric part mounted on the mount picked up by the image pickup means and the image in the image consulting data, and for (3) extracting the item symbol of the electric part having the most analogous image from the images in the image consulting data; and judgment means for judging the quality of the mounting state of the electric parts on the mount by comparing the item symbol of the electric part having the most analogous image and said normal data. - View Dependent Claims (2, 4)
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3. An inspection apparatus of an electric junction box having a plurality of mounts on which electric parts are mounted, for inspecting mounting state of the electric parts, said each electric part having a different mark on an outer surface thereof corresponding to an item symbol thereof, the inspection apparatus comprising:
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image pickup means for picking up an image, including said mark, of an electric part mounted on a mount to be inspected; extraction means for (1) storing image consulting data including a plurality of item symbols wherein each of the item symbols corresponds to at least one of a plurality of images of non-defective electric parts, and storing normal data including a plurality of mounts to be inspected wherein each of the mounts to be inspected corresponds to at least one proper one of the item symbols, and for (2) comparing the image, including said mark, of the electric part mounted on the mount to be inspected picked up by the image pickup means and the images of the non-defective electric parts in the image consulting data by a method of normalization correlation, and for (3) extracting the highest correlation value out of the correlation values obtained by the method of normalization correlation; and judgment means for judging the quality of the mounting state of the electric parts on the mount in dependence upon the highest correlation value, the image consulting data, and the normal data.
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5. An inspection apparatus of a terminal fittings for inspecting mounting state of the terminal fittings on an insulator, said terminal fittings being mounted at a mount to be inspected on the insulator and an electric wire being pressure-welded to the terminal fittings, the inspection apparatus comprising:
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image pickup means for picking up an image of the terminal fittings mounted at the mount to be inspected on the insulator; extraction means for (1) storing image consulting data including a plurality of item symbols wherein each of the item symbols corresponds to at least one of a plurality of images of non-defective terminal fittings mounted on the insulator, and storing normal data including a plurality of mounts to be inspected wherein each of the mounts to be inspected corresponds to at least one proper one of the item symbols, and for (2) comparing the image of the terminal fittings picked up by the image pickup means and the plurality of the images of non-defective terminal fittings in the image consulting data, and for (3) extracting an image most analogous to the image of the terminal fittings picked up by the image pickup means from the images in the image consulting data; and judgment means for judging the quality of the mounting state of the terminal fittings on the insulator in dependence upon the most analogous image, the image of the terminal fittings picked up by the image pickup means, the image consulting data, and the normal data. - View Dependent Claims (6)
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7. An inspection apparatus of a terminal fittings for inspecting pressure-welding state of an electric wire to the terminal fittings, said terminal fittings being mounted at a mount to be inspected on an insulator and the electric wire being pressure-welded to the terminal fittings, the inspection apparatus comprising:
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image pickup means for picking up an image of the terminal fittings, to which the electric wire is pressure-welded, mounted at the mount to be inspected on the insulator; extraction means for (1) storing image consulting data including a plurality of item symbols wherein each of the item symbols corresponds to at least one of a plurality of images of non-defective terminal fittings, to which the electric wire is pressure-welded, mounted on the insulator, and storing normal data including a plurality of mounts to be inspected wherein each of the mounts to be inspected corresponds to at least one proper one of the item symbols, and for (2) comparing the image of the terminal fittings, to which the electric wire is pressure-welded, picked up by the image pickup means and the plurality of images of non-defective terminal fittings, to which the electric wire is pressure-welded, in the image consulting data, and for (3) extracting an image most analogous to the image of the terminal fittings, to which the electric wire is pressure-welded, picked up by the image pickup means from the images in the image consulting data; and judgment means for judging the quality of the pressure-welding state of the electric wire to the terminal fittings, to which the electric wire is pressure-welded, mounted on the insulator in dependence upon the most analogous image, the image of the terminal fittings, to which the electric wire is pressure-welded, mounted on the insulator picked up by the image pickup means, the image consulting data, and the normal data. - View Dependent Claims (8, 13)
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9. An inspection apparatus of a terminal fittings for inspecting mounting state of the terminal fittings on an insulator and pressure-welding state of an electric wire, said terminal fittings being mounted at a mount to be inspected on the insulator and the electric wire being pressure-welded to the terminal fittings, the inspection apparatus comprising:
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image pickup means for picking up an image of the terminal fittings mounted at the mount to be inspected on the insulator; extraction means for (1) storing image consulting data including a plurality of item symbols wherein each of the item symbols corresponds to at least one of a plurality of images of non-defective terminal fittings mounted on the insulator, and storing normal data including a plurality of mounts to be inspected wherein each of the mounts to be inspected corresponds to at least one proper one of the item symbols, and for (2) comparing the image of the terminal fittings picked up by the image pickup means and the plurality of the images of non-defective terminal fittings in the image consulting data, and for (3) extracting an image most analogous to the image of the terminal fittings picked up by the image pickup means from the images in the image consulting data; judgment means for judging the quality of the mounting state of the terminal fittings on the insulator in dependence upon the most analogous image, the image of the terminal fittings picked up by the image pickup means, the image consulting data, and the normal data; second extraction means for (1) storing second image consulting data containing a plurality of images of a non-defective terminal fittings, to which the electric wire is pressure-welded, mounted on the insulator, and for (2) comparing the image of the terminal fittings, to which the electric wire is pressure-welded, picked up by the image pickup means and a plurality of images of a non-defective terminal fittings, to which the electric wire is pressure-welded, in the second image consulting data, and for (3) extracting an image most analogous to the image of the terminal fittings, to which the electric wire is pressure-welded, picked up by the image pickup means from the images in the second image consulting data; and second judgment means for judging the quality of the pressure-welding state of the electric wire to the terminal fittings, to which the electric wire is pressure-welded, mounted on the insulator by comparing the most analogous image and the image of the terminal fittings, to which the electric wire is pressure-welded, mounted on the insulator picked up by the image pickup means. - View Dependent Claims (10, 11, 12)
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Specification