CN220961203U - Double-layer combined light source and screen detection equipment - Google Patents
Double-layer combined light source and screen detection equipment Download PDFInfo
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- CN220961203U CN220961203U CN202322681545.0U CN202322681545U CN220961203U CN 220961203 U CN220961203 U CN 220961203U CN 202322681545 U CN202322681545 U CN 202322681545U CN 220961203 U CN220961203 U CN 220961203U
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000009792 diffusion process Methods 0.000 claims abstract description 28
- 239000002355 dual-layer Substances 0.000 claims description 12
- 239000005357 flat glass Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000001795 light effect Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000012797 qualification Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
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- 238000005286 illumination Methods 0.000 description 1
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Abstract
The utility model relates to a double-layer combined light source and screen detection equipment, which comprises: the light source comprises a first light source component and a second light source component, wherein the first light source component comprises a rectangular outer frame and a light splitting plate, the bottom of the rectangular outer frame is provided with a rectangular lamp plate, the light splitting plate is arranged in the rectangular outer frame in a clamping mode, the light splitting plate is arranged obliquely to the rectangular lamp plate, and a first diffusion plate is arranged between the rectangular lamp plate and the light splitting plate; the lateral wall of rectangle frame has seted up the breach, and the breach just faces the beam splitter plate. The second light source component comprises an annular base, and the annular base is arranged at a port of one side of the rectangular outer frame far away from the lamp panel; the annular base is provided with an annular lamp panel, and the luminous surface of the annular lamp panel is provided with a second diffusion plate. The utility model overlaps two light effects by a superposition method, thereby solving the problem of light reflection, reducing the leak detection rate of a machine vision system, and simultaneously providing enough light source brightness for the light source by the coaxial light and the annular diffuse reflection light source.
Description
Technical Field
The utility model relates to the technical field of visual detection equipment, in particular to double-layer combined light source and screen detection equipment.
Background
Along with the development of an automatic technology, the detection and visual detection of the surface defects of the product are combined, namely, the product on the production line is photographed and identified through an intelligent camera, and whether the surface quality of the product is qualified is judged through the identification contrast of photographed pictures. In order to ensure the identification accuracy in the detection process, the light source is matched for supplementing light.
With the continuous progress of screen technology, the size of the screen is smaller and smaller, and surface defects in the production process are too fine; when the detection machine in the prior art detects the surface of the appearance of the screen, the light source is easy to reflect light and insufficient in brightness on the surface of the screen due to the small size of the screen and the smooth surface, and the intelligent camera is difficult to find the defects on the surface of the screen in the identification process, so that the accuracy of visual identification is low and the qualification rate of products is influenced.
Disclosure of utility model
Therefore, the technical problem to be solved by the utility model is to overcome the defects that the light source of the visual recognition screen in the prior art can cause reflection and insufficient brightness on the surface of the screen.
In order to solve the above technical problems, the present utility model provides a dual-layer combined light source, comprising:
The light source comprises a first light source component, wherein the first light source component comprises a rectangular outer frame and a light splitting plate, the bottom of the rectangular outer frame is provided with a rectangular lamp panel, the light splitting plate is arranged in the rectangular outer frame in a clamping mode, the light splitting plate is arranged obliquely to the rectangular lamp panel, and a first diffusion plate is arranged between the rectangular lamp panel and the light splitting plate; a notch is formed in the side wall of the rectangular outer frame, and the notch is opposite to the light splitting plate;
The second light source assembly comprises an annular base, and the annular base is arranged at a port of one side of the rectangular outer frame far away from the lamp panel; the annular base is provided with an annular lamp panel, and the luminous surface of the annular lamp panel is provided with a second diffusion plate.
In one embodiment of the utility model, a window glass is provided at the notch.
In one embodiment of the utility model, the angle between the light splitting plate and the lamp panel is 45 °.
In one embodiment of the present utility model, a clamping groove matched with the light splitting plate is formed on the inner side of the rectangular outer frame.
In one embodiment of the present utility model, the second diffusion plate is ring-shaped, and the size of the second diffusion plate is equal to the size of the ring-shaped lamp plate.
In one embodiment of the utility model, a bottom plate is arranged at a port of one side of the rectangular outer frame, which is close to the lamp panel, and a first power line is arranged on the bottom plate and is electrically connected with the rectangular lamp panel.
In one embodiment of the utility model, a second power line is arranged on one side of the annular base, and the second power line is electrically connected with the annular lamp panel.
In one embodiment of the utility model, a plurality of brackets are arranged on the side wall of the rectangular outer frame, and the annular base is connected with the brackets.
A screen detection device comprises the double-layer combined light source.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
The utility model relates to a double-layer combined light source and screen detection equipment, which adopts a combination of a coaxial light source and an annular diffuse reflection light source, wherein light rays of the coaxial light source are scattered and strike a light splitting sheet through a diffusion plate, the light splitting sheet reflects the light rays onto an object, and then the object reflects the light rays into a lens, so that uniform light rays are provided for a detection product; the annular diffuse reflection light source is arranged at the end part of the coaxial light source, and provides enough light source brightness. The utility model overlaps two light effects by a superposition method, thereby solving the problem of light reflection, reducing the leak detection rate of a machine vision system, and simultaneously providing enough light source brightness for the light source by the coaxial light and the annular diffuse reflection light source.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an exploded view of the structure of the present utility model;
Description of the specification reference numerals: 1. a first light source assembly; 2. a second light source assembly; 3. a bracket; 11. a rectangular outer frame; 12. a rectangular lamp panel; 13. a first diffusion plate; 14. a light splitting sheet; 15. a bottom plate; 16. a first power line; 21. an annular base; 22. an annular lamp panel; 23. a second diffusion plate; 24. a second power line; 111. a clamping groove; 112. a notch; 113. window glass.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1-2, the present utility model discloses a dual-layer combined light source, comprising:
The first light source assembly 1, the first light source assembly 1 comprises a rectangular outer frame 11 and a light splitting plate, a rectangular lamp plate 12 is arranged at the bottom of the rectangular outer frame 11, the light splitting plate is arranged in the rectangular outer frame 11 in a clamping mode, the light splitting plate is arranged obliquely to the rectangular lamp plate 12, and a first diffusion plate 13 is arranged between the rectangular lamp plate 12 and the light splitting plate; a notch 112 is formed in the side wall of the rectangular outer frame 11, and the notch 112 is opposite to the light splitting plate;
A second light source assembly 2, wherein the second light source assembly 2 comprises an annular base 21, and the annular base 21 is arranged at a port of one side of the rectangular outer frame 11 away from the lamp panel; the annular base 21 is provided with an annular lamp panel 22, and the light emitting surface of the annular lamp panel 22 is provided with a second diffusion plate 23.
It can be seen that the above-mentioned first light source assembly 1 is a coaxial light source, specifically, the light emitted from the rectangular light panel 12 in the first light source assembly 1 passes through the first diffusion plate 13, where the main function of the first diffusion plate 13 is to provide diffuse reflection effect of the visual light source, reduce directivity of the light emitted from the rectangular light panel 12, and thus improve illumination uniformity of the light source, and secondly, the first diffusion plate 13 is directly fastened on the surface of the rectangular light panel 12 to fix the rectangular light panel 12. The light passing through the first diffusion plate 13 is divided into two parts by the light splitting sheet 14, and the incident light can be reflected and transmitted half, thereby dividing one light into a reflected one and a transmitted one, forming two light beams. A portion of the incident light energy may be reflected, absorbing a relatively small fraction, and the rest transmitted. The side of the rectangular outer frame 11 is provided with a notch 112, the notch 112 is arranged opposite to the light splitting sheet 14, and the lens of the intelligent camera is arranged opposite to the notch 112 in the visual identification process.
The second light source component 2 is an annular diffuse reflection light source and is arranged at the end part of the first light source component 1, and light rays emitted by the specific annular light plate 22 pass through the second diffusion plate 23, so that the light rays emitted by the annular light plate 22 are more uniform, and the second diffusion plate 23 is buckled on the surface of the annular light plate 22 to fix the annular light plate 22 on the annular base 21.
The utility model adopts the combination of the coaxial light source and the annular diffuse reflection light source, wherein the light of the coaxial light source is scattered and transmitted to the light-splitting sheet 14 through the diffusion plate, the light-splitting sheet 14 reflects the light to the object, and then the object reflects the light to the lens, so that uniform light is provided for detecting the product; the annular diffuse reflection light source is arranged at the end part of the coaxial light source, and provides enough light source brightness. The utility model overlaps two light effects by a superposition method, thereby solving the problem of light reflection, reducing the leak detection rate of a machine vision system, simultaneously providing enough light source brightness for the light source by the coaxial light and the annular diffuse reflection light source, and improving the qualification rate of visual identification products.
Further, a window glass 113 is arranged at the notch 112; the angle between the light splitting plate and the lamp panel is 45 degrees.
Specifically, as a preferred scheme of the utility model, the beam splitter 14 is installed at 45 degrees with the rectangular lamp panel 12 inside the rectangular outer frame 11, and the intelligent connected lens is arranged at the notch 112. In the use process, the whole light source is arranged over against the surface of the product, namely the product is placed at a light outlet of the annular diffuse reflection light source for identification; the window glass 113 is provided at the notch 112 to prevent dust from entering.
Further, a clamping groove 111 matched with the light splitting plate is formed in the side wall of the rectangular outer frame 11. The light splitting sheet 14 is installed by inserting the light splitting sheet 14 into the clamping groove 111 for fixing, and the clamping groove 111 needs to be arranged at an angle of 45 degrees with the lamp panel, so that the installation stability of the light splitting sheet 14 is ensured.
Further, the second diffusion plate 23 is annular, and the size of the second diffusion plate 23 is equal to the size of the annular lamp panel 22.
Specifically, the second diffusion plate 23 is disposed on the light-emitting side of the annular light plate 22, and the size of the second diffusion plate 23 is consistent with the size of the annular light plate 22, so that the light beams emitted by the annular light plate 22 can be ensured to completely pass through the second diffusion plate 23, and meanwhile, the light rays emitted by the coaxial light source cannot be influenced.
Further, a bottom plate 15 is disposed at a port of the rectangular outer frame 11 near one side of the light panel, a first power line 16 is disposed on the bottom plate 15, and the first power line 16 is electrically connected with the rectangular light panel 12. A second power line 24 is disposed on one side of the annular base 21, and the second power line 24 is electrically connected to the annular lamp panel 22.
Specifically, the first power line 16 is connected to the rectangular light panel 12, the second power line 24 is connected to the annular light panel 22, and the first power line is used for supplying power to the rectangular light panel 12 and the annular light panel 22 respectively, and in the present utility model, the rectangular light panel 12 and the annular light panel 22 are LED light beads, so as to ensure the intensity of the emitted light.
Further, the side wall of the rectangular outer frame 11 is provided with a plurality of brackets 3, and the annular base 21 is connected with the brackets 3. Specifically, the inner diameter of the annular base 21 is slightly larger than the cross-sectional area of the rectangular outer frame 11, so that shielding of the light beam of the coaxial light source is avoided, and continuity of forming light spots on the surface of a product by the whole combined light source can be ensured. And the coaxial light source and the annular diffuse reflection light source are detachably connected through the bracket 3, so that the assembly of the product and the disassembly during the later maintenance can be facilitated.
Example two
A screen inspection apparatus comprising a dual layer combined light source as described in embodiment one.
In summary, the utility model introduces a double-layer combined light source and screen detection equipment, which adopts a combination of a coaxial light source and an annular diffuse reflection light source, wherein the light of the coaxial light source is scattered and transmitted to a light-splitting sheet 14 through a diffusion plate, the light-splitting sheet 14 reflects the light to an object, and then the light is reflected to a lens by the object, so that uniform light is provided for a detection product; the annular diffuse reflection light source is arranged at the end part of the coaxial light source, and provides enough light source brightness. The utility model overlaps two light effects by a superposition method, thereby solving the problem of light reflection, reducing the leak detection rate of a machine vision system, and simultaneously providing enough light source brightness for the light source by the coaxial light and the annular diffuse reflection light source.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (9)
1. A dual-layer composite light source, comprising:
The light source comprises a first light source component, wherein the first light source component comprises a rectangular outer frame and a light splitting plate, the bottom of the rectangular outer frame is provided with a rectangular lamp panel, the light splitting plate is arranged in the rectangular outer frame in a clamping mode, the light splitting plate is arranged obliquely to the rectangular lamp panel, and a first diffusion plate is arranged between the rectangular lamp panel and the light splitting plate; a notch is formed in the side wall of the rectangular outer frame, and the notch is opposite to the light splitting plate;
The second light source assembly comprises an annular base, and the annular base is arranged at a port of one side of the rectangular outer frame far away from the lamp panel; the annular base is provided with an annular lamp panel, and the luminous surface of the annular lamp panel is provided with a second diffusion plate.
2. The dual layer combination light source of claim 1, wherein: the angle between the light splitting plate and the lamp panel is 45 degrees.
3. The dual layer combination light source of claim 1, wherein: and the inner side of the rectangular outer frame is provided with a clamping groove matched with the light splitting plate.
4. The dual layer combination light source of claim 1, wherein: the second diffusion plate is annular, and the size of the second diffusion plate is equal to that of the annular lamp plate.
5. The dual layer combination light source of claim 1, wherein: the port department that one side of rectangle frame is close to the lamp plate is provided with the bottom plate, be provided with first power cord on the bottom plate, first power cord with rectangle lamp plate electricity is connected.
6. The dual layer combination light source of claim 1, wherein: one side of the annular base is provided with a second power line, and the second power line is electrically connected with the annular lamp panel.
7. The dual layer combination light source of claim 1, wherein: the side wall of the rectangular outer frame is provided with a plurality of brackets, and the annular base is connected with the brackets.
8. The dual layer combination light source of claim 1, wherein: and window glass is arranged at the notch.
9. A screen detection apparatus comprising a dual layer combined light source as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322681545.0U CN220961203U (en) | 2023-09-27 | 2023-09-27 | Double-layer combined light source and screen detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322681545.0U CN220961203U (en) | 2023-09-27 | 2023-09-27 | Double-layer combined light source and screen detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220961203U true CN220961203U (en) | 2024-05-14 |
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ID=91018611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322681545.0U Active CN220961203U (en) | 2023-09-27 | 2023-09-27 | Double-layer combined light source and screen detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220961203U (en) |
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2023
- 2023-09-27 CN CN202322681545.0U patent/CN220961203U/en active Active
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