CN218823963U - Outer side wall detection device - Google Patents
Outer side wall detection device Download PDFInfo
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- CN218823963U CN218823963U CN202222248983.3U CN202222248983U CN218823963U CN 218823963 U CN218823963 U CN 218823963U CN 202222248983 U CN202222248983 U CN 202222248983U CN 218823963 U CN218823963 U CN 218823963U
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Abstract
The application provides an outer sidewall detection device for detect the lateral wall of product, it includes: the image capturing device comprises an image capturing piece, a refracting piece and a light emitting piece; the refraction piece and the image taking piece are coaxially arranged, the refraction piece is in an axial symmetry shape, the refraction piece comprises an inclined side face and a bottom face, one end of the inclined side face faces the image taking piece, and the other end of the inclined side face is connected with the bottom face; the light-emitting piece is arranged between the image taking piece and the product and is obliquely arranged relative to the axis of the image taking piece and the axis of the refracting piece, and light emitted by the light-emitting piece can be irradiated to the product through the refracting piece or directly irradiated to the product. So, utilize the refraction piece to refract the reflection light of product lateral wall on getting for instance the piece, form the panoramic picture of product lateral wall, realize single camera to the detection of product lateral wall, guaranteed the integrality of detection image, lateral wall detection device's overall structure is simple simultaneously, is favorable to reducing the production and the maintenance cost of device.
Description
Technical Field
The application relates to the technical field of detection equipment, in particular to an outer side wall detection device.
Background
In the prior art, the outer side wall of the nut needs to be detected by placing cameras at a specific angle for shooting, and multiple groups of cameras are needed to obtain images at different angles through a multi-surface reflector, and then the images are spliced to complete the complete images or processed respectively, so that the possibility of incomplete images exists, and the detection result is inaccurate. In addition, the existing multi-phase machine detection equipment is complex in mechanism and high in production and maintenance cost.
SUMMERY OF THE UTILITY MODEL
The application provides an outer side wall detection device to solve the technical problem.
An embodiment of the present application provides an outer sidewall detection device for detecting an outer sidewall of a product, which includes:
an image capture element;
the refraction piece is coaxially arranged with the image capturing piece and is in an axisymmetric shape, the refraction piece comprises an inclined side surface and a bottom surface, one end of the inclined side surface faces the image capturing piece, and the other end of the inclined side surface is connected with the bottom surface; and
the illuminating part is arranged between the image capturing part and the product and is obliquely arranged relative to the image capturing part and the axis of the refraction part, and light rays emitted by the illuminating part can be irradiated or directly irradiated to the product through the refraction part.
So, utilize the refraction piece to refract the reflection light of product lateral wall on getting for instance the piece, form the panoramic picture of product lateral wall, realize single camera to the detection of product lateral wall, guaranteed the integrality of detection image, lateral wall detection device's overall structure is simple simultaneously, is favorable to reducing the production and the maintenance cost of device.
In one possible embodiment, the refractive element comprises:
the first refraction piece is conical or round table-shaped and comprises a first inclined side surface and a first bottom surface connected with the first inclined side surface, one end of the first inclined side surface faces the image capturing piece, and the other end of the first inclined side surface is connected with the first bottom surface;
the second refraction piece is in a conical shape or a round table shape, the second refraction piece and the first refraction piece are coaxially arranged, the second refraction piece comprises a second inclined side face and a second bottom face connected with the second inclined side face, one end of the second inclined side face faces to the first bottom face of the first refraction face, the other end of the second inclined side face is connected with the second bottom face, and the second bottom face faces to the product.
So, the first refraction piece and the second refraction piece that the interval set up can carry out twice refraction with the reflection light of product lateral surface, make the light of inciding to getting for instance roughly parallel light, are favorable to forming the panorama of complete, accurate product lateral wall.
In a possible embodiment, the luminous element is annular and has a radius greater than the radius of the outer side of the product.
So, the whole lateral surface of product can be shone to the illuminating part, improves panorama's formation of image accuracy and integrality.
In a possible embodiment, the light emitting means is located between the second refraction means and the product.
So, can conveniently adjust the angle that sets up of illuminating part, make light shine the lateral wall of product better on.
In one possible embodiment, the light emitting member is located between the first refractive member and the second refractive member.
Therefore, light rays generated by the light emitting piece can be focused on the outer side wall of the product by the second refraction piece, and the imaging quality is favorably improved.
In a possible embodiment, an angle between the light emitting surface of the light emitting element and the first bottom surface is smaller than an angle between the first inclined side surface and the first bottom surface.
Therefore, the phenomenon that the imaging quality is influenced by the superposition of the reflected light of the outer side wall of the product and the emergent light of the light-emitting piece can be avoided.
In a possible implementation manner, the image capturing element includes a photosensitive chip, a first lens and a second lens, which are sequentially disposed at an interval, the second lens is disposed opposite to the refractive element, and a distance between a center of the first lens and a center of the second lens is greater than a focal length of the second lens.
Therefore, the first lens and the second lens cooperate to project the reflected light of the outer side wall of the product onto the photosensitive chip, so that a panoramic image of the outer side wall of the product is formed, and the appearance of the product is detected.
In a possible implementation manner, the outer sidewall detection device further includes a sleeve, the sleeve includes a first end and a second end that are coaxially arranged, the image capturing element is disposed at the first end, and the refraction element is disposed at the second end.
In a possible implementation manner, the first end is provided with an installation part, and the image capturing piece is detachably connected with the installation part.
In a possible embodiment, the first refractive element and the second refractive element have the same taper.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of an outer sidewall detection device according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an outer sidewall detecting device in another embodiment.
Description of the main element symbols:
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
Some embodiments of the present application are described in detail. In the following embodiments, features of the embodiments may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present application provides an outer sidewall detecting device 100 for detecting an outer sidewall of a product 200. The outer sidewall detecting device 100 includes an image capturing element 1, a refracting element 2 and a light emitting element 3. The refraction element 2 and the image capturing element 1 are coaxially arranged, and the product 200 is arranged on one side of the refraction element 2, which is far away from the image capturing element 1. Refraction 2 is the axisymmetric shape, refraction 2 includes slope side and bottom surface, the one end orientation of slope side get for instance 1 setting, the other end of slope side with the bottom surface is connected, the bottom surface orientation product 200 sets up. The illuminating part 3 is arranged between the image capturing part 1 and the product 200 and is obliquely arranged relative to the image capturing part 1 and the axis of the refraction part 2, and light rays emitted by the illuminating part 3 can be irradiated through the refraction part 2 or directly irradiated to the product 200. Outer sidewall detection device 100 in the embodiment of the present application utilizes refractor 2 to refract the reflected light of product 200 lateral wall to get for instance 1 on, forms the panoramic picture of product 200 lateral wall, realizes the detection of single camera to product 200 lateral wall, has guaranteed the integrality of detection image. Meanwhile, the overall structure of the outer side wall detection device 100 is simple, which is beneficial to reducing the production and maintenance cost of the device. The product 200 includes, but is not limited to, a nut, etc.
Specifically, the image capturing element 1 includes a photosensitive chip 11, a first lens 12 and a second lens 13 that are sequentially disposed at intervals, the second lens 13 is disposed relative to the refractive element 2, and a distance between a center of the first lens 12 and a center of the second lens 13 is greater than a focal length of the second lens 13. The reflected light of the outer side wall of the product 200 sequentially enters the second lens 13 and the first lens 12 through the refraction part 2, and the reflected light of the outer side wall of the product 200 can be projected onto the photosensitive chip 11 through the cooperation of the first lens 12 and the second lens 13, so that a panoramic image of the outer side wall of the product 200 is formed, and the appearance of the product 200 is detected.
Further, in the embodiment of the present application, the refractive element 2 includes a first refractive element 21 and a second refractive element 22 which are spaced apart from each other. The first refractor 21 is conical or circular truncated cone-shaped and includes a first inclined side surface 211 and a first bottom surface 212, one end of the first inclined side surface 211 faces the image capturing element 1, and the other end of the first inclined side surface 211 is connected to the first bottom surface 212. The second refraction element 22 is conical or circular truncated cone-shaped, and the second refraction element 22 and the first refraction element 21 are coaxially arranged. The second refraction element 22 comprises a second inclined side 221 and a second bottom 222, wherein the second inclined side 221 is connected with the first bottom 212 of the first refraction element 21 at one end, the second bottom 222 is connected with the other end of the second inclined side 221, and the second bottom 222 faces the product 200. One end of the second inclined side 221 may abut the first bottom surface 212 or be spaced apart from the first bottom surface 212. Thus, the first refracting element 21 and the second refracting element 22 arranged at intervals can refract the reflected light on the outer side surface of the product 200 twice, so that the light incident to the second lens 13 in the image capturing element 1 is approximately parallel light, and a complete and accurate panoramic view of the outer side wall of the product 200 is favorably formed on the photosensitive chip 11.
The refractive indexes of the first refractive element 21 and the second refractive element 22 may be the same or different, and may be adjusted according to actual design requirements, so that the light rays incident on the second lens 13 may be substantially parallel. The adjustment of the refractive index may be achieved by manufacturing the first refractive element 21 and the second refractive element 22 using different materials, respectively.
Further, the light emitting member 3 is annular, and the radius of the light emitting member 3 is greater than the radius of the outer side surface of the product 200. Thereby enabling the illuminating member 3 to illuminate the entire outer side of the product 200, improving the imaging accuracy and integrity of the panoramic image.
In the embodiment of the present application, the light emitting member 3 is located between the first refractive member 21 and the second refractive member 22. The light generated by the light emitting element 3 can be focused on the outer sidewall of the product 200 by the second refracting element 22, so that the outer sidewall of the product 200 is brighter, which is beneficial to improving the imaging quality.
In another embodiment of the present application, as shown in fig. 2, the light emitting member 3 is located between the second refraction member 22 and the product 200. When there is the luminance problem in the formation of image quality, can follow lateral wall detection device 100's tip direct adjustment illuminating part 3's angle of setting, make the light shine better on the lateral wall of product 200, improve the formation of image quality.
Further, in the embodiment of the present application, an acute angle between the light emitting surface of the light emitting element 3 and the bottom surface of the refracting element 2 is smaller than an angle between the first inclined side surface 211 and the first bottom surface 212. Therefore, the superposition of the reflected light of the outer side wall of the product 200 and the emergent light of the light-emitting piece 3 can be avoided, and the imaging quality is not affected. The acute angle formed by the light emitting surface of the light emitting element 3 and the bottom surface of the refracting element 2 is preferably 30 °, and in other embodiments, the acute angle may be set to other values, which is not limited in the present application.
In a possible embodiment, the outer sidewall detecting device 100 further includes a sleeve 4, the sleeve 4 includes a first end 41 and a second end 42 coaxially arranged, the image capturing element 1 is disposed at the first end 41, and the refracting element 2 is disposed at the second end 42. The reflected light on the outer side wall of the product 200 is refracted by the refractor 2 and then transmitted to the image capturing element 1 in the sleeve 4 for imaging. The sleeve 4 is made of a light-tight material, so that the stability of a light propagation path is maintained, and the influence of an external stray light source on a detection result is avoided.
Further, the first end 41 of the sleeve 4 is provided with an installation part 43, and the image capturing element 1 is detachably connected with the installation part 43. When the structures such as the photosensitive chip 11 and the like need to be replaced or maintained, the photosensitive chip can be directly taken down from the mounting part 43 of the sleeve 4, the structure is simple, and the operation is convenient.
In the embodiment of the present application, the tapers of the first refractive element 21 and the second refractive element 22 are the same, so that on one hand, the refracted light can be incident on the second lens 13 in a parallel state as much as possible, and on the other hand, the first refractive element 21 and the second refractive element 22 can be conveniently installed in the sleeve 4, thereby reducing the manufacturing cost.
Although the present application has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the present application.
Claims (10)
1. An outer sidewall detection device for detecting an outer sidewall of a product, comprising:
an image capturing element;
the refraction piece is coaxially arranged with the image capturing piece and is in an axisymmetric shape, the refraction piece comprises an inclined side surface and a bottom surface, one end of the inclined side surface faces the image capturing piece, and the other end of the inclined side surface is connected with the bottom surface; and
the illuminating part is arranged between the image capturing part and the product and is inclined relative to the axis of the image capturing part and the axis of the refracting part, and light emitted by the illuminating part can pass through the irradiating or direct irradiating of the refracting part to the product.
2. The outer sidewall detection device of claim 1, wherein:
the refraction member includes:
the first refraction piece is conical or round table-shaped and comprises a first inclined side surface and a first bottom surface connected with the first inclined side surface, one end of the first inclined side surface faces the image capturing piece, and the other end of the first inclined side surface is connected with the first bottom surface;
the second refraction piece is in a conical shape or a round table shape, the second refraction piece and the first refraction piece are coaxially arranged, the second refraction piece comprises a second inclined side face and a second bottom face connected with the second inclined side face, one end of the second inclined side face faces to the first bottom face of the first refraction piece, the other end of the second inclined side face is connected with the second bottom face, and the second bottom face faces to the product.
3. The outer sidewall detection device of claim 2, wherein:
the luminous piece is annular, and the radius of luminous piece is greater than the lateral surface radius of product.
4. The exterior sidewall detection device according to claim 3, wherein:
the light emitting member is positioned between the second refraction member and the product.
5. The outer sidewall detection device of claim 3, wherein:
the light emitting piece is located between the first refraction piece and the second refraction piece.
6. The outer sidewall detection device of claim 2, wherein:
the angle formed by the light emitting surface of the light emitting piece and the first bottom surface is smaller than the angle formed between the first inclined side surface and the first bottom surface.
7. The outer sidewall detection device of claim 1, wherein:
get for instance including sensitization chip, first lens and the second lens that set up in proper order at interval, the second lens for refraction piece sets up, the center of first lens with distance between the center of second lens is greater than the focus of second lens.
8. The outer sidewall detection device of claim 1, wherein:
still include the sleeve, the sleeve includes coaxial arrangement's first end and second end, get for instance the piece set up in the first end, refraction piece set up in the second end.
9. The exterior sidewall detection device of claim 8, wherein:
the first end is equipped with the installation department, get for instance with the installation department can dismantle the connection.
10. The outer sidewall detection device of claim 2, wherein:
the first refraction piece and the second refraction piece have the same taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222248983.3U CN218823963U (en) | 2022-08-25 | 2022-08-25 | Outer side wall detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222248983.3U CN218823963U (en) | 2022-08-25 | 2022-08-25 | Outer side wall detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218823963U true CN218823963U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222248983.3U Active CN218823963U (en) | 2022-08-25 | 2022-08-25 | Outer side wall detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218823963U (en) |
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2022
- 2022-08-25 CN CN202222248983.3U patent/CN218823963U/en active Active
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