AOI detection light source device and AOI detection system

Abstract

The utility model discloses an AOI detection light source device and an AOI detection system, which are used for solving the technical problem that the existing AOI detection light source device is single in irradiation angle and cannot meet the detection requirements of various workpieces of different types. A first window is formed in a shell body, the shell body comprises a plane part, a first inclined surface part, a second inclined surface part and a third inclined surface part, the plane part is arranged around the first window, the top side of the plane part is connected with the first inclined surface part, and a first inclined angle is formed by the first inclined surface part and the plane part; the top side of the first inclined surface part is connected with the second inclined surface part, the second inclined surface part and the plane part form a second inclined angle, the top side of the second inclined surface part is connected with the third inclined surface part, and the third inclined surface part and the plane part form a third inclined angle; the first PCB lamp panel is installed on the plane portion, the second PCB lamp panel is installed on the first inclined face portion, the third PCB lamp panel is installed on the second inclined face portion, and the fourth PCB lamp panel is installed on the third inclined face portion.

Description

Technical Field

[0001] The utility model relates to the technical field of AOI detection, in particular to an AOI detection light source device and an AOI detection system. Background Art

[0002] The AOI inspection system is a device that detects the appearance defects of workpieces based on optical principles. During the inspection process, the workpiece is automatically scanned by the inspection camera component, the image is collected, and the defects on the workpiece are detected by comparing the image data with the qualified parameters in the database. Finally, the defects are displayed or marked through a display or automatic mark for subsequent process adjustment.

[0003] The AOI inspection system is equipped with an AOI inspection light source device. The existing AOI inspection light source device cannot meet the inspection requirements of various types of workpieces due to the single illumination angle of the internal PCB light board. Specifically, when the above-mentioned AOI inspection light source device illuminates different types of workpieces, some workpieces cannot be completely covered by the irradiated light, resulting in less than ideal imaging effects.

[0004] Therefore, finding a technical solution that can solve the above technical problems has become an important topic studied by technical personnel in this field. Utility Model Content

[0005] The embodiment of the utility model discloses an AOI detection light source device and an AOI detection system, which are used to solve the technical problem that the existing AOI detection light source device has a single irradiation angle and cannot meet the detection requirements of various types of workpieces.

[0006] The embodiment of the utility model provides an AOI detection light source device, including a housing body, a first PCB light board, a second PCB light board, a third PCB light board and a fourth PCB light board;

[0007] The shell body is provided with at least a first window, the first window is located in the middle of the shell body, the shell body comprises a plane portion, a first inclined surface portion, a second inclined surface portion and a third inclined surface portion, the plane portion is arranged around the first window, the top side of the plane portion is connected to the first inclined surface portion, the first inclined surface portion and the plane portion form a first inclined angle, the top side of the first inclined surface portion is connected to the second inclined surface portion, the second inclined surface portion and the plane portion form a second inclined angle, the top side of the second inclined surface portion is connected to the third inclined surface portion, the third inclined surface portion and the plane portion form a third inclined angle, wherein the third inclined angle is greater than the second inclined angle and greater than the first inclined angle;

[0008] The first PCB light board is installed on the planar portion, the second PCB light board is installed on the first inclined surface portion, the third PCB light board is installed on the second inclined surface portion, and the fourth PCB light board is installed on the third inclined surface portion.

[0009] Optionally, the first inclination angle is 32°, the second inclination angle is 45°, and the third inclination angle is 60°.

[0010] Optionally, a heat conducting layer is provided between the shell body and the first PCB light board, between the shell body and the second PCB light board, between the shell body and the third PCB light board, and between the shell body and the fourth PCB light board.

[0011] Optionally, the heat-conducting layer is a heat-conducting silicone layer.

[0012] Optionally, the shell body is further provided with a second window, a third window, a fourth window and a fifth window;

[0013] The second window, the third window, the fourth window and the fifth window are all opened on the first inclined surface, and the second window, the third window, the fourth window and the fifth window are evenly distributed on the periphery of the first window.

[0014] Optionally, a fixing screw is also included;

[0015] The first PCB light board, the second PCB light board, the third PCB light board and the fourth PCB light board are all provided with through holes, and the shell body is provided with threaded holes at positions corresponding to the through holes, and the fixing screws pass through the through holes and are threadedly connected with the threaded holes to lock the first PCB light board, the second PCB light board, the third PCB light board and the fourth PCB light board to the shell body.

[0016] Optionally, display colors of the first PCB light board, the second PCB light board, the third PCB light board and the fourth PCB light board are different.

[0017] Optionally, a wire threading hole is opened on the shell body, and a plurality of wires are passed through the wire threading hole, and the plurality of wires are respectively connected to the first PCB light board, the second PCB light board, the third PCB light board and the fourth PCB light board.

[0018] Optionally, the shell body is an integrally formed structure.

[0019] An embodiment of the utility model provides an AOI inspection system, including an inspection camera component and the above-mentioned AOI inspection light source device.

[0020] It can be seen from the above technical solutions that the embodiments of the utility model have the following advantages:

[0021] In the AOI detection light source device of this embodiment, the first PCB light board, the second PCB light board, the third PCB light board and the fourth PCB light board are respectively arranged on the plane part, the first inclined surface part, the second inclined surface part and the third inclined surface part of the shell body, and the inclination angles formed by the first inclined surface part, the second inclined surface part and the third inclined surface part and the plane part are different. Through the above design, the first PCB light board, the second PCB light board, the third PCB light board and the fourth PCB light board can emit illumination light at different angles, effectively meet the detection requirements of various types of workpieces, and make the AOI detection light source device more widely applicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 A schematic diagram of the structure of an AOI detection light source device provided by an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of the bottom structure of an AOI detection light source device provided by an embodiment of the utility model;

[0025] Figure 3 for Figure 2 Middle GG cross-section;

[0026] Illustrations: housing body 1; plane portion 101; first inclined surface portion 102; second inclined surface portion 103; third inclined surface portion 104; first PCB light board 2; second PCB light board 3; third PCB light board 4; fourth PCB light board 5; first window 6; second window 7; third window 8; wire 9; threaded hole 10; fourth window 11; fifth window 12; threading hole 13; heat conductive layer 14; first inclination angle a; second inclination angle b; third inclination angle c. DETAILED DESCRIPTION

[0027] The embodiment of the utility model discloses an AOI detection light source device and an AOI detection system, which are used to solve the technical problem that the existing AOI detection light source device has a single irradiation angle and cannot meet the detection requirements of various types of workpieces.

[0028] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0029] See also Figures 1 to 3 The embodiment of the utility model provides an AOI detection light source device, comprising a housing body 1, a first PCB light board 2, a second PCB light board 3, a third PCB light board 4 and a fourth PCB light board 5;

[0030] The shell body 1 is provided with at least a first window 6, and the first window 6 is located in the middle of the shell body 1. The shell body 1 includes a plane portion 101, a first inclined surface portion 102, a second inclined surface portion 103 and a third inclined surface portion 104. The plane portion 101 is arranged around the first window 6, the top side of the plane portion 101 is connected to the first inclined surface portion 102, the first inclined surface portion 102 and the plane portion 101 form a first inclined angle, the top side of the first inclined surface portion 102 is connected to the second inclined surface portion 103, the second inclined surface portion 103 and the plane portion 101 form a second inclined angle, the top side of the second inclined surface portion 103 is connected to the third inclined surface portion 104, the third inclined surface portion 104 and the plane portion 101 form a third inclined angle, wherein the third inclined angle is greater than the second inclined angle and greater than the first inclined angle;

[0031] The first PCB light board 2 is installed on the planar portion 101 , the second PCB light board 3 is installed on the first inclined surface portion 102 , the third PCB light board 4 is installed on the second inclined surface portion 103 , and the fourth PCB light board 5 is installed on the third inclined surface portion 104 .

[0032] In the AOI detection light source device of the present embodiment, the first PCB light board 2, the second PCB light board 3, the third PCB light board 4 and the fourth PCB light board 5 are respectively arranged on the plane part 101, the first inclined surface part 102, the second inclined surface part 103 and the third inclined surface part 104 of the shell body 1, and the first inclined surface part 102, the second inclined surface part 103 and the third inclined surface part 104 form different inclination angles with the plane part 101. Through the above design, the first PCB light board 2, the second PCB light board 3, the third PCB light board 4 and the fourth PCB light board 5 can emit illumination light at different angles, effectively meet the detection requirements of various types of workpieces, and make the AOI detection light source device more widely applicable.

[0033] Furthermore, in this embodiment, the first inclination angle may be 32°, the second inclination angle may be 45°, and the third inclination angle may be 60°.

[0034] It should be noted that this embodiment does not limit the first inclination angle, the second inclination angle and the third inclination angle, and designers can make selections according to actual needs.

[0035] Furthermore, in this embodiment, a heat conducting layer 14 is provided between the shell body and the first PCB light board 2 , between the shell body 1 and the second PCB light board 3 , between the shell body 1 and the third PCB light board 4 , and between the shell body 1 and the fourth PCB light board 5 .

[0036] It should be noted that, through the above design, each of the above-mentioned PCB lamp boards can quickly transfer its own heat to the shell body 1 through the heat-conducting layer 14, thereby improving the heat dissipation effect, enabling the PCB lamp board to operate at a suitable temperature, and effectively extending the service life of the PCB lamp board.

[0037] Specifically, the heat-conducting layer 14 in this embodiment is a heat-conducting silicone layer.

[0038] It should be noted that the present embodiment does not limit the specific material of the heat conducting layer 14 , and the designer may select the material according to actual needs.

[0039] Furthermore, the housing body 1 in this embodiment is further provided with a second window 7, a third window 8, a fourth window 11 and a fifth window 12;

[0040] The second window 7 , the third window 8 , the fourth window 11 and the fifth window 12 are all opened on the first inclined surface 102 , and the second window 7 , the third window 8 , the fourth window 11 and the fifth window 12 are evenly distributed on the periphery of the first window 6 .

[0041] It should be noted that the above-mentioned multiple windows can be used by the detection camera component, which is conducive to the detection camera being able to receive reflected light from the workpiece in all directions, thereby achieving a more comprehensive technical imaging effect.

[0042] Furthermore, the AOI detection light source device in this embodiment further includes a fixing screw;

[0043] The first PCB light board 2, the second PCB light board 3, the third PCB light board 4 and the fourth PCB light board 5 are all provided with through holes, and the shell body 1 is provided with threaded holes 10 at positions corresponding to the through holes, and the fixing screws pass through the through holes and are threadedly connected with the threaded holes 10 to lock the first PCB light board 2, the second PCB light board 3, the third PCB light board 4 and the fourth PCB light board 5 to the shell body 1.

[0044] It should be noted that, through the above design, each PCB lamp board can be closely fitted with the heat-conducting layer 14 , so that the heat of each PCB lamp board can be better transferred to the housing body 1 .

[0045] Furthermore, in this embodiment, the display colors of the first PCB light board 2 , the second PCB light board 3 , the third PCB light board 4 and the fourth PCB light board 5 are different.

[0046] It should be noted that, through the above design, each PCB light board design can realize a variety of color combination designs, enrich the detection needs of different workpieces, and make the detection more flexible.

[0047] Furthermore, a wire threading hole 13 is opened on the shell body 1 in this embodiment, and multiple wires 9 are passed through the wire threading hole 13. The multiple wires 9 are respectively connected to the first PCB light board 2, the second PCB light board 3, the third PCB light board 4 and the fourth PCB light board 5.

[0048] It should be noted that, through the design of the threading hole 13, the wires 9 can be avoided from being cluttered, thus ensuring that the AOI detection light source device is simple and beautiful.

[0049] Furthermore, the shell body 1 in this embodiment is an integrally formed structure.

[0050] It should be noted that, through the above design, the assembly steps of the shell body 1 can be saved and the integrity of the shell body 1 can be effectively improved.

[0051] See also Figures 1 to 3 An AOI inspection system provided by an embodiment of the utility model includes an inspection camera component and the above-mentioned AOI inspection light source device.

[0052] Specifically, the detection camera assembly in this embodiment includes a detection camera and a lens connected to the detection camera.

[0053] The above is a detailed introduction to an AOI detection light source device and an AOI detection system provided by the present invention. For a person skilled in the art, according to the idea of ​​the embodiments of the present invention, there may be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. An AOI inspection light source device, characterized in that: It comprises a housing body (1), a first PCB light board (2), a second PCB light board (3), a third PCB light board (4) and a fourth PCB light board (5); The shell body (1) is provided with at least a first window (6), the first window (6) being located in the middle of the shell body (1), the shell body (1) comprising a plane portion (101), a first inclined surface portion (102), a second inclined surface portion (103) and a third inclined surface portion (104), the plane portion (101) being arranged around the first window (6), the top side of the plane portion (101) being connected to the first inclined surface portion (102), the first inclined surface portion (102) and the plane portion (101) forming a first inclination angle, the top side of the first inclined surface portion (102) being connected to the second inclined surface portion (103), the second inclined surface portion (103) and the plane portion (101) forming a second inclination angle, the top side of the second inclined surface portion (103) being connected to the third inclined surface portion (104), the third inclined surface portion (104) and the plane portion (101) forming a third inclination angle, wherein the third inclination angle is greater than the second inclination angle and greater than the first inclination angle; The first PCB light board (2) is mounted on the flat surface (101), the second PCB light board (3) is mounted on the first inclined surface (102), the third PCB light board (4) is mounted on the second inclined surface (103), and the fourth PCB light board (5) is mounted on the third inclined surface (104).

2. The AOI inspection light source device according to claim 1, characterized in that: The first inclination angle is 32°, the second inclination angle is 45°, and the third inclination angle is 60°.

3. The AOI inspection light source device according to claim 1, characterized in that: A heat conducting layer (14) is provided between the shell body (1) and the first PCB light board (2), between the shell body (1) and the second PCB light board (3), between the shell body (1) and the third PCB light board (4), and between the shell body (1) and the fourth PCB light board (5).

4. The AOI inspection light source device according to claim 3, characterized in that: The heat-conducting layer (14) is a heat-conducting silica gel layer.

5. The AOI inspection light source device according to claim 1, characterized in that: The housing body (1) is further provided with a second window (7), a third window (8), a fourth window (11) and a fifth window (12); The second window (7), the third window (8), the fourth window (11) and the fifth window (12) are all opened on the first inclined surface (102), and the second window (7), the third window (8), the fourth window (11) and the fifth window (12) are evenly distributed on the periphery of the first window (6).

6. The AOI inspection light source device according to claim 3, characterized in that: Also includes fixing screws; The first PCB light board (2), the second PCB light board (3), the third PCB light board (4) and the fourth PCB light board (5) are all provided with through holes, the shell body (1) is provided with threaded holes (10) at positions corresponding to the through holes, and the fixing screws pass through the through holes and are threadedly connected with the threaded holes (10) to lock the first PCB light board (2), the second PCB light board (3), the third PCB light board (4) and the fourth PCB light board (5) to the shell body (1).

7. The AOI inspection light source device according to claim 1, characterized in that: The display colors of the first PCB light board (2), the second PCB light board (3), the third PCB light board (4) and the fourth PCB light board (5) are different.

8. The AOI inspection light source device according to claim 1, characterized in that: The housing body (1) is provided with a threading hole (13), a plurality of wires (9) are passed through the threading hole (13), and the plurality of wires (9) are respectively connected to the first PCB light board (2), the second PCB light board (3), the third PCB light board (4), and the fourth PCB light board (5).

9. The AOI inspection light source device according to claim 1, characterized in that: The shell body (1) is an integrally formed structure.

10. An AOI inspection system, characterized in that: It comprises an inspection camera assembly and the AOI inspection light source device as described in any one of claims 1-9.

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