Detection device
By designing an image capture unit and an image processing module in the test equipment, multiple images are captured on different edges of the positioning hole and processed into spliced images, the problem of the inclination of the probe in the prior art is solved, and a fast and accurate detection effect is achieved.
Patent Information
- Application Number
- CN202421482752.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-06-18
- Filing Date
- 2024-06-26
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-06-26
AI Technical Summary
When existing testing equipment detects whether the pinhole has reaming, the probe may be tilted to block the reaming, causing the lens to be unable to detect the reaming, which requires manual inspection, which consumes labor and time.
Design a detection device, including a test seat, a track, an image capture unit and an image processing module. By capturing multiple images from different edges of the positioning hole, processing them into splicing images, and determining whether the positioning hole is reamed.
It avoids the time-consuming disadvantages of manual inspection, and the judgment speed is fast, correct and effective, and can accurately detect whether the positioning hole has reams.
Smart Images
Figure CN222952253U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to a detection device and a detection method thereof, and in particular to a detection device and a detection method thereof capable of detecting hole expansion. Background Art
[0002] With the booming development of portable electronic products in recent years, the development of various related products is also moving towards high density, high performance, light, thin, short and small trends. To this end, the industry has developed a variety of integrated multi-functional packaging forms to meet the requirements of light, thin, short and high density of electronic products. Currently, semiconductor packages must be tested before shipment to avoid subsequent recycling costs after leaving the factory.
[0003] like Figure 1A As shown, the existing test device 1 includes a test seat 11, a plurality of pinholes 12, a plurality of probes 13 and a lens 14. The plurality of pinholes 12 are formed through the test seat 11. The plurality of probes 13 are respectively accommodated in the plurality of pinholes 12. The lens 14 is located directly above the test seat 11, and is used to detect whether the probe 13 has defects such as shrinking in the pinhole 12, being stuck in the pinhole 12, being bent or broken, or whether the pinhole 12 has been expanded, so as to ensure that the probe 13 is positioned normally. However, as Figure 1B and Figure 1C As shown, when the pinhole 12 has an expansion hole 15, the probe 13 may be tilted to block the expansion hole 15, so that the lens 14 cannot effectively detect the expansion hole 15, and manual inspection is often required, resulting in disadvantages such as wasting manpower and time.
[0004] Therefore, how to overcome the above-mentioned various problems of the prior art has become one of the current topics that need to be solved urgently. Utility Model Content
[0005] The present application provides a detection device, including: a test seat, having at least one positioning hole and defining a horizontal plane; a track, arranged above the test seat; at least two image capture units, symmetrically and slidably arranged on the track, and respectively capturing at least two images obliquely from different sides of the positioning hole; an image processing module, processing the images to form a spliced image; and an image judgment module, judging whether the positioning hole in the spliced image is enlarged.
[0006] The present application also provides a detection method for a detection device, comprising: providing a test seat, a track and at least two image capture units, wherein the test seat has at least one positioning hole and defines a horizontal plane, the track is arranged on the test seat, and the image capture units are symmetrically and slidingly arranged on the track; allowing the image capture units to respectively capture at least two images obliquely from different sides of the positioning hole; allowing an image processing module to process the images to form a spliced image; and allowing an image judgment module to judge whether the positioning hole in the spliced image is enlarged.
[0007] As in the aforementioned detection device and detection method, the image capturing unit captures the image from different sides of the positioning hole in a manner of setting an angle with the horizontal plane.
[0008] As in the aforementioned detection device and detection method, the angles formed between each of the image capture units and the horizontal plane are the same, and the angles are between 0 degrees and 90 degrees.
[0009] As in the aforementioned detection device and detection method, the track is semicircular.
[0010] As in the aforementioned detection device and detection method, at least two brackets are also included, and the image capture unit is slidably disposed on the track through the brackets respectively.
[0011] As in the aforementioned detection device and detection method, the bracket can be extended and retracted along the radial direction of the track so that the image capture unit can adjust the focal length.
[0012] As in the aforementioned detection device and detection method, the image capture unit focuses on the positioning hole.
[0013] As in the aforementioned detection device and detection method, the image judgment module judges that there is no hole enlargement when the positioning hole in the spliced image is circular, and judges that there is a hole enlargement when the positioning hole in the spliced image is non-circular.
[0014] As in the aforementioned detection device and detection method thereof, the image processing module first corrects the images respectively, and crops the corrected images respectively, and then combines the cropped images into the spliced image.
[0015] As in the aforementioned detection device and detection method, the corrected image is obtained by dividing the positioning hole into equal angles according to the number of the image capture units, and the portion corresponding to the side of the positioning hole where the image capture unit is located is used as the cropped image.
[0016] In summary, the detection device and detection method provided by the present application utilizes multiple images captured from different sides of the positioning hole, and processes the multiple images into a spliced image to determine whether the positioning hole is enlarged from the spliced image. The present application can avoid the time-consuming disadvantage of manual inspection, and the judgment speed is fast, correct and effective. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1A A schematic diagram of the existing test equipment.
[0018] Figure 1B It is a side view schematic diagram of a pinhole with an expanded hole in an existing test device.
[0019] Figure 1C It is a top view schematic diagram of a pinhole with an expanded hole in an existing test device.
[0020] Figure 2A This is a schematic diagram of the detection equipment of this application.
[0021] Figure 2B It is a schematic diagram of the image capturing unit in the detection device of the present application capturing an image of the positioning hole.
[0022] Figure 3A and Figure 4A It is a schematic diagram of an image captured by an image capture unit in the detection device of the present application.
[0023] Figure 3B and Figure 4B This is a schematic diagram of the corrected image in the detection device of this application.
[0024] Figure 3C and Figure 4C It is a schematic diagram of a cropped image in the detection device of the present application.
[0025] Figure 5 It is a schematic diagram of stitching images in the detection device of this application.
[0026] Figure 6 For this application, actual images from two image capture units and their stitched images are used.
[0027] Figure 7 For this application, actual images of four image capture units and their stitched images are used.
[0028] Main component symbols
[0029] 1 Test equipment
[0030] 11 Test socket
[0031] 12 Pinhole
[0032] 13 Probe
[0033] 14 Lenses
[0034] 15. Hole expansion
[0035] 2 Testing equipment
[0036] 21 Test socket
[0037] 211 Positioning hole
[0038] 212 Horizontal plane
[0039] 213 Probe
[0040] 22 tracks
[0041] 23,24 Image Capture Unit
[0042] 25 Computational Units
[0043] 251 Image Processing Module
[0044] 252 Image Judgment Module
[0045] 26 Bracket
[0046] 31,41,61,62,71,72,73,74 Image
[0047] 32,42 Corrected image
[0048] 33,43 Cropped image
[0049] 5,6,7 Image stitching
[0050] θ Angle
[0051] D Radial direction
[0052] R direction. DETAILED DESCRIPTION
[0053] The following describes the implementation methods of the present application through specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present application from the contents disclosed in this specification.
[0054] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings attached to this specification are only used to match the contents disclosed in the specification for the understanding and reading of those skilled in the art, and are not used to limit the limiting conditions for the implementation of this application, so they have no substantial technical significance. Any structural modification, change in proportional relationship, or adjustment of size, without affecting the effects and purposes that can be achieved by this application, should still fall within the scope of the technical content disclosed in this application. At the same time, the terms such as "on", "one", "at least one", "at least two", etc. cited in this specification are only for the convenience of narration, and are not used to limit the scope of the implementation of this application. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of this application without substantial change in the technical content.
[0055] Figure 2A Schematic diagram of the detection device 2 of the present application, the detection device 2 includes a test seat 21, a track 22, two image capture units 23, 24 and a calculation unit 25. The present application also provides a detection method of the detection device 2, the technical content of the detection method is substantially the same as the technical content of the detection device 2 described below, and will not be repeated later.
[0056] The test seat 21 has a plurality of positioning holes 211 , each of which can accommodate a plurality of probes 213 . The test seat 21 defines a horizontal plane 212 .
[0057] The track 22 is disposed above the test seat 21 and covers the entire test seat 21. In the present embodiment, the track 22 is specifically semicircular, but the present invention is not limited thereto.
[0058] The two image capture units 23 and 24 are symmetrically and slidably disposed on the track 22. Specifically, two brackets 26 are disposed on the track 22, and the brackets 26 can slide relative to the track 22 along a direction R. After the two image capture units 23 and 24 are fixed on the brackets 26, they can slide relative to the track 22 along a direction R through the brackets 26. Furthermore, the brackets 26 are telescopic brackets that can be telescoped along a radial direction D of the track 22, and the two image capture units 23 and 24 can adjust the focal length through the telescopic function. In this embodiment, the image capture units 23 and 24 can be video cameras, cameras, or hardware including a lens having an image capture function.
[0059] Please also read Figure 2B In this embodiment, the two image capture units 23 and 24 focus on the same positioning hole 211, and respectively capture images of different sides of the positioning hole 211 at an angle θ with the horizontal plane 212. The image 31 captured by the left image capture unit 23 on the left side of the positioning hole 211 will be as follows: Figure 3A As shown, the image 41 captured by the right image capture unit 24 on the right side of the positioning hole 211 will be as shown in FIG. Figure 4A It should be understood that since the two image capture units 23 and 24 can slide relative to the track 22 along the direction R through the bracket 26, the angle θ can be changed as needed, as long as the angles θ between the two image capture units 23 and 24 and the horizontal plane 212 are the same, that is, the two image capture units 23 and 24 are synchronously actuated, and the angle θ is between 0 degrees and 90 degrees.
[0060] The computing unit 25 is electrically connected to the image capturing units 23 and 24 to receive the images 31 and 41. The computing unit 25 includes an image processing module 251 and an image determination module 252. Specifically, the computing unit 25 can be a computer device, a server, a tablet computer, a notebook computer or a cloud server having a microprocessor, and the image processing module 251 and the image determination module 252 are software or program codes executed by the microprocessor.
[0061] The image processing module 251 is used to process the images 31 and 41 to form a spliced image 5. FIG. 3A to FIG. 3C , FIG. 4A to FIG. 4CSpecifically, the image processing module 251 first corrects the images 31 and 41 to generate corrected images 32 and 42. Since the two image capture units 23 and 24 capture the images 31 and 41 obliquely from different sides of the positioning hole 211, the positioning hole 211 in the images 31 and 41 will not be circular but elliptical. At this time, the correction function of general image processing software on the market can be used to correct the elliptical positioning hole 211 to a circular positioning hole 211. Then, the image processing module 251 can crop the corrected images 32 and 42, and the cropping conditions will be determined according to the number of image capture units 23 and 24. For example Figure 2B The number of image capturing units 23 and 24 is two, and they capture the left and right sides of the positioning hole 211 respectively. Therefore, the image processing module 251 divides the corrected images 32 and 42 into equal parts at 180 degrees, and divides the left part of the corrected image 32 into the cropped image 33, and divides the right part of the corrected image 42 into the cropped image 43. Afterwards, the image processing module 251 combines the cropped images 33 and 43 into the following: Figure 5 Stitched image 5. Figure 6 It also shows the actual situation that the actual images 61 and 62 are processed into the stitched image 6 when the number of the image capturing units is two.
[0062] In other embodiments, if the number of image capture units is three, the image processing module 251 will divide the corrected image into equal parts of 120 degrees. If the number of image capture units is four, the image processing module 251 will divide the corrected image into equal parts of 90 degrees, and so on. Figure 7 It also shows the actual situation that when the number of image capture units is four, the actual images 71 , 72 , 73 , 74 are processed into the spliced image 7 .
[0063] The image determination module 252 is used to determine whether the positioning hole 211 in the stitched image 5 is enlarged. The so-called enlargement refers to the situation where the size of the current positioning hole 211 exceeds the preset range (for example, the size of the original positioning hole 211). The image determination module 252 will first detect the shape of the positioning hole 211 in the stitched image 5. When the positioning hole 211 in the stitched image 5 is circular, the image determination module 252 will determine that there is no enlargement. When the positioning hole 211 in the stitched image 5 is non-circular, the image determination module 252 will determine that there is an enlargement.
[0064] In summary, the detection device and detection method provided by the present application utilizes multiple images captured from different sides of the positioning hole, and processes the multiple images into a spliced image to determine whether the positioning hole is enlarged from the spliced image. The present application can avoid the time-consuming disadvantage of manual inspection, and the judgment speed is fast, correct and effective.
[0065] The above embodiments are only used to illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art may modify the above embodiments without violating the spirit and scope of the present application. Therefore, the scope of protection of the present application should be as listed in the claims.
Claims
1. A detection device, characterized in that: include: The test seat has at least one positioning hole and defines a horizontal plane; A track is arranged above the test seat; At least two image capturing units are symmetrically and slidably disposed on the track, and respectively capture at least two images obliquely from different sides of the positioning hole; An image processing module processes the image to form a stitched image; and The image judgment module judges whether the positioning hole in the spliced image is enlarged.
2. The detection device according to claim 1, characterized in that The image capturing unit captures the image from different sides of the positioning hole in a manner of setting an angle with the horizontal plane.
3. The detection device according to claim 2, characterized in that The angles formed between each of the image capture units and the horizontal plane are the same, and the angles are between 0 degrees and 90 degrees.
4. The detection device according to claim 1, characterized in that The track is semicircular.
5. The detection device according to claim 1, characterized in that: The invention also comprises at least two brackets, and the image capturing units are respectively slidably arranged on the track through the brackets.
6. The detection device according to claim 5, characterized in that The bracket can be extended and retracted along the radial direction of the track so that the image capture unit can adjust the focal length.
7. The detection device according to claim 1, characterized in that: The image capturing unit focuses on the positioning hole.
8. The detection device according to claim 1, characterized in that: The image judgment module judges that there is no hole enlargement when the positioning hole in the spliced image is circular, and judges that there is a hole enlargement when the positioning hole in the spliced image is non-circular.
9. The detection device according to claim 1, characterized in that: The image processing module first corrects the images respectively, and cuts the corrected images respectively, and then combines the cut images into the spliced image.
10. The detection device according to claim 9, characterized in that The corrected image is obtained by dividing the positioning hole into equal parts according to the number of the image capture units, and the portion corresponding to the side of the positioning hole where the image capture unit is located is used as the cropped image.