CN219715222U - Middle-open-hole arc partition light source for detecting defects of curved object - Google Patents
Middle-open-hole arc partition light source for detecting defects of curved object Download PDFInfo
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- CN219715222U CN219715222U CN202321328170.3U CN202321328170U CN219715222U CN 219715222 U CN219715222 U CN 219715222U CN 202321328170 U CN202321328170 U CN 202321328170U CN 219715222 U CN219715222 U CN 219715222U
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- 238000005192 partition Methods 0.000 title claims abstract description 28
- 230000007547 defect Effects 0.000 title claims abstract description 24
- 238000009792 diffusion process Methods 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 7
- 208000033641 Ring chromosome 5 syndrome Diseases 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a middle-opening arc partition light source for detecting defects of curved objects, which relates to the field of light source detection, and comprises a top cover plate and a bottom cover plate which are of arc structures and are arranged in parallel, and an arc diffusion plate, an arc circuit board and an arc circumference which are sequentially arranged between the top cover plate and the bottom cover plate.
Description
Technical Field
The utility model relates to the technical field of light source detection, in particular to a middle-open-hole arc partition light source for detecting defects of curved surface objects.
Background
In the current machine vision detection project, when the detected object is a plane, a common flat-plate type surface light source is generally used to obtain a uniform image with high contrast. However, when the object to be measured is a cambered surface, a uniform image cannot be obtained by using a common surface light source, and the cambered object to be measured needs to be surrounded by a cambered light source.
But when detecting, the arc light source of current structure needs the position of adjustment camera, light source and survey thing simultaneously, and consequently the arc light source is low to the surrounding effect of survey thing, and the coverage is little, in addition, detects the outward appearance defect that detects cylindrical or circular-arc smooth product, if: cylindrical packaging can, cell-phone center, 3D screen glass etc. and arc light source is luminous even, to the polishing of survey object surface, whole also can be more even, but the image contrast ratio of shooting is not high, leads to defect detection unobvious.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the medium-aperture arc-shaped partition light source for detecting the defects of the curved object, which realizes the functions of surrounding and partition control, achieves the effect of maximizing covered light spots, can control the light source to emit light in a partition manner, improves the detection efficiency and optimizes the imaging effect.
In order to achieve the above purpose, the utility model provides a middle-hole arc partition light source for detecting defects of curved objects, which comprises a top cover plate and a bottom cover plate which are of arc structures and are arranged in parallel, and an arc diffusion plate, an arc circuit board and an arc circumference ring which are sequentially arranged between the top cover plate and the bottom cover plate, wherein center shafts of the arc diffusion plate, the arc circuit board and the arc circumference ring are provided with middle holes which are aligned, and at least four light source partitions are equally distributed on the arc circuit board.
In the technical scheme, the LED lamp further comprises a plurality of joints electrically connected with the arc-shaped circuit board, wherein one joint corresponds to one light source partition, so that the light emission of the light source partition can be controlled conveniently, and the cost is low.
In the technical scheme, the arc-shaped peripheral ring is provided with a plurality of wire outlet holes for connecting wire outgoing lines.
In the technical scheme, the diameter of the mesopores is 38mm-42mm.
In the technical scheme, the arc diffusion plate and the arc circuit board are of semicircular structures, so that the surrounding effect of the arc luminous surface of the technical scheme on the measured object is improved, and the maximization of the light source coverage product is achieved.
In the technical scheme, the novel cover plate also comprises two side plates which are respectively arranged at two ends of the top cover plate and the bottom cover plate and are positioned between the top cover plate and the bottom cover plate.
In the technical scheme, the bottom of the top cover plate and the top of the bottom cover plate are respectively provided with an arc-shaped fixing groove for fixing the arc-shaped diffusion plate, so that the arc-shaped diffusion plate can be conveniently installed.
In the above technical scheme, the bottom of top apron and the top of bottom apron all are equipped with the arc fixed part that is used for fixed arc circuit board, are convenient for install the arc circuit board.
Compared with the prior art, the utility model has the beneficial effects that:
1. the arc diffusion plate, the arc circuit board and the arc circumference of this technical scheme are semicircle structures, and the center pin department of arc diffusion plate, arc circuit board and arc circumference has seted up the mesopore and has supplied camera lens to shoot moreover, when detecting the outward appearance of cylinder type or circular arc smooth product, the arc light source of this technical scheme can be fine encircle the product of being surveyed, has reached the effect that covers the facula maximize.
2. According to the technical scheme, the luminous cambered surface of the semicircular structure is equally divided into at least 4 partitions, each partition can be independently controlled, and the light of different light source partitions is controlled to emit light, so that the brightness of the light source irradiated on different areas of a tested product can be controlled, the contrast ratio of the tested object in imaging can be improved, defects on the product are more obvious, the detection efficiency is improved, and the imaging effect is optimized.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a medium aperture arc partition light source for detecting defects of curved objects;
FIG. 2 is an exploded view of a medium aperture arc partition light source for detecting defects in curved objects in accordance with the present utility model;
FIG. 3 is a front view of a medium aperture arc partition light source for detecting defects in curved objects, in accordance with the present utility model;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
fig. 5 is a top view of a medium aperture arc partition light source for detecting defects of curved objects according to the present utility model.
The reference numerals of the drawings are: 1. a top cover plate; 11. an arc-shaped fixing groove; 12. an arc-shaped fixing part; 2. a bottom cover plate; 3. an arc-shaped diffusion plate; 4. an arc-shaped circuit board; 5. an arc-shaped peripheral ring; 51. a wire outlet hole; 6. a middle hole; 7. a joint; 8. and a side plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
As shown in fig. 1 to 5, the present embodiment provides a medium-aperture arc-shaped partition light source for detecting defects of curved objects, which comprises a top cover plate 1, a bottom cover plate 2, an arc-shaped diffusion plate 3, an arc-shaped circuit board 4, an arc-shaped peripheral ring 5 and two side plates 8.
The top cover plate 1 and the bottom cover plate 2 are of arc-shaped structures and are arranged in parallel. The arc-shaped diffusion plate 3, the arc-shaped circuit board 4 and the arc-shaped peripheral ring 5 are installed in sequence from the inner side to the outer side of the top cover plate 1 and the bottom cover plate 2, and are positioned between the top cover plate 1 and the bottom cover plate 2. The two side plates 8 are respectively arranged at the two ends of the top cover plate 1 and the bottom cover plate 2 and are positioned between the top cover plate 1 and the bottom cover plate 2, and are mainly used for sealing the arc-shaped light source, so that impurities such as dust, oil stains and the like are prevented from entering the arc-shaped light source. The central axis department of arc diffusion plate 3, arc circuit board 4 and arc border 5 is equipped with the mesopore 6 that aligns and set up and be used for supplying the camera lens to take a picture, and the diameter of this mesopore 6 is 38mm-42mm, preferably 40mm, and the mesopore 6 of this size can satisfy most camera structure and shoot, avoids moreover that the too big with mesopore 6 design, leads to the arc circuit board 4 middle part to have more light loss. In addition, the bottom of the top cover plate 1 and the top of the bottom cover plate 2 are each provided with an arc-shaped fixing groove 11 for fixing the arc-shaped diffusion plate 3. The bottom of the top cover plate 1 and the top of the bottom cover plate 2 are both provided with an arc-shaped fixing portion 12 for fixing the arc-shaped circuit board 4.
During the equipment, insert the bottom of arc diffusion plate 3 in the arc fixed slot 11 of bottom apron 2, then insert the top of arc diffusion plate 3 with the arc fixed slot 11 on the top apron 1, at this moment, top apron 1 and bottom apron 2 can parallel arrangement, then pack into the arc circuit board 4 from the outside between top apron 1 and the bottom apron 2 and top and bottom support respectively on arc fixed part 12, then fix arc border 5 between top apron 1 and bottom apron 2 again, at last at the both ends fixed two curb plates 8 of top apron 1 and bottom apron 2, airtight arc light source can.
At least four light source partitions are equally divided on the arc-shaped circuit board 4 in the technical scheme. The technical solution also preferably comprises a plurality of connectors 7 electrically connected with the arc-shaped circuit board 4, wherein one connector 7 corresponds to one light source zone. The arc-shaped peripheral ring 5 is provided with a plurality of wire outlet holes 51 for the wire outgoing of the joint 7. Specifically, referring to fig. 5, the arc-shaped diffusion plate 3, the arc-shaped circuit board 4 and the arc-shaped peripheral ring 5 of the present embodiment are all preferably in a semicircular structure. When detecting the outward appearance of cylinder shape or circular-arc smooth product, it can be fine encircle the product of being surveyed, reached the effect that covers the facula maximize, in addition, the last partition of arc circuit board 4 has four at least light source subregions, every light source subregion can be controlled alone, light through the different light source subregions of control shines, thereby can control the light source and shine the luminance in the different regions of product of being surveyed, and then can improve the contrast ratio when detecting, make the defect on the product more obvious, moreover, this technical scheme is equipped with mesopore 6 in the middle part, firstly be convenient for detect the camera and shoot the formation of image, secondly this kind shoots the detection, need not consider the position of putting of camera, the arc light source can encircle around the product of being surveyed well.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a well trompil arc subregion light source of detection curved surface object defect, is including being arc structure and for parallel arrangement's top apron (1) and bottom apron (2), installs arc diffusion plate (3), arc circuit board (4) and arc circumference (5) between top apron (1) and bottom apron (2) in proper order, a serial communication port, the center pin department of arc diffusion plate (3), arc circuit board (4) and arc circumference (5) is equipped with the mesopore (6) of alignment setting, the last equal division of arc circuit board (4) has four at least light source subregions.
2. The medium-aperture arc-shaped partition light source for detecting defects of curved objects according to claim 1, further comprising a plurality of connectors (7) electrically connected to the arc-shaped circuit board (4), wherein one connector (7) corresponds to one light source partition.
3. The medium-aperture arc-shaped partition light source for detecting defects of curved objects according to claim 2, wherein a plurality of wire outlet holes (51) for wire outgoing of the connectors (7) are formed in the arc-shaped peripheral ring (5).
4. A medium aperture arc zoned light source for detecting defects in curved objects according to claim 1, wherein the diameter of the medium aperture (6) is 38mm-42mm.
5. The medium-aperture arc-shaped partition light source for detecting defects of curved objects according to claim 1, wherein the arc-shaped diffusion plate (3) and the arc-shaped circuit board (4) are both semicircular structures.
6. The medium-aperture arc-shaped partition light source for detecting defects of curved objects according to claim 1, further comprising two side plates (8) respectively arranged at two ends of the top cover plate (1) and the bottom cover plate (2) and positioned between the top cover plate (1) and the bottom cover plate (2).
7. The medium-aperture arc-shaped partition light source for detecting defects of curved objects according to claim 1, wherein the bottom of the top cover plate (1) and the top of the bottom cover plate (2) are respectively provided with an arc-shaped fixing groove (11) for fixing the arc-shaped diffusion plate (3).
8. The medium-aperture arc partition light source for detecting defects of curved objects according to claim 1, wherein the bottom of the top cover plate (1) and the top of the bottom cover plate (2) are both provided with arc fixing parts (12) for fixing the arc circuit board (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321328170.3U CN219715222U (en) | 2023-05-29 | 2023-05-29 | Middle-open-hole arc partition light source for detecting defects of curved object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321328170.3U CN219715222U (en) | 2023-05-29 | 2023-05-29 | Middle-open-hole arc partition light source for detecting defects of curved object |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219715222U true CN219715222U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321328170.3U Active CN219715222U (en) | 2023-05-29 | 2023-05-29 | Middle-open-hole arc partition light source for detecting defects of curved object |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219715222U (en) |
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2023
- 2023-05-29 CN CN202321328170.3U patent/CN219715222U/en active Active
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