Annular light source device

By introducing a rotation and lifting device into the ring light source device, the height and angle of the light source can be adjusted, which solves the problem of the limited applicability of the ring light source device and provides a variety of lighting effects to meet different detection needs.

CN223649228UActive Publication Date: 2025-12-09GUANGDONG AOPUTE TECH CO LTD
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Patent Information

Application Number
CN202423122932.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-09
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing ring light source devices cannot adjust the distance from the product, resulting in a limited applicable detection range.

Method used

A ring light source device was designed, including first and second ring light sources, which are respectively mounted on a rotating platform. The height and angle of the light sources can be independently adjusted by a combination of a lifting device and a rotating platform, thereby enhancing the flexibility of the light sources.

Benefits of technology

By adjusting the height and angle of the light source, a variety of lighting effects can be provided, expanding the applicability of the ring light source device and enabling it to adapt to different detection needs.

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Abstract

The utility model relates to the field of light source devices, and discloses an annular light source device. Comprising a first annular light source, a first rotating platform, a first lifting device and a second annular light source, wherein the first rotating platform is used for driving the first annular light source to rotate; the second rotating platform is used for driving the second annular light source to rotate; the second lifting device is used for driving the second rotating platform to lift along the center line of the first annular light source; the center lines of the first annular light source and the second annular light source coincide with each other. The first annular light source and the second annular light source both obliquely emit light downwards, and the second annular light source is provided with a first light through hole for light rays of the first annular light source to penetrate through. The first annular light source is provided with M first light-emitting areas around the center line of the first annular light source in a circumferential array mode, and every two adjacent first light-emitting areas are different in light emitting color. The annular light source device is wider in application range.
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Description

Technical Field

[0001] This utility model relates to the field of light source devices, and in particular to a ring light source device. Background Technology

[0002] Light sources are an important component of machine vision systems, used to provide illumination for workpieces. Common light sources are classified into linear light sources, ring light sources, point light sources, and so on.

[0003] Current ring light sources can generally only provide a specific irradiation effect on products, and the distance between the ring light source and the product is not adjustable, resulting in a relatively small range of applicable tests.

[0004] Therefore, it is necessary to design a ring light source device that can further improve its applicability.

[0005] The above information is provided as background information only to aid in understanding this disclosure and does not constitute an assertion or admission that any of the above content can be used as prior art relative to this disclosure. Utility Model Content

[0006] This invention provides a ring light source device, which can further expand its applicability.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A ring light source device includes a first ring light source, a first rotating platform for driving the first ring light source to rotate, a first lifting device for driving the first rotating platform to move up and down along the center line of the first ring light source, a second ring light source, a second rotating platform for driving the second ring light source to rotate, and a second lifting device for driving the second rotating platform to move up and down along the center line of the first ring light source.

[0009] The first ring light source is located on the top side of the second ring light source, and the center lines of the first ring light source and the second ring light source coincide with each other; both the first ring light source and the second ring light source emit light downwards at an angle, and the second ring light source has a first light-passing hole for the light from the first ring light source to pass through;

[0010] The first ring light source has M first light-emitting areas arranged in a circular array around the center line of the first ring light source. The light emitted by two adjacent first light-emitting areas is different, and M is a positive integer greater than three.

[0011] Optionally, the second annular light source is arranged in a circumferential array of N second light-emitting areas around the center line of the first annular light source, and the light emitted by two adjacent second light-emitting areas is different, where N is a positive integer greater than three.

[0012] Optionally, the ring light source device further includes a third ring light source, a third rotating platform for driving the third ring light source to rotate, and a third lifting device for driving the third rotating platform to rise and fall along the center line of the first ring light source.

[0013] The center lines of the first ring light source and the third ring light source coincide, and the third ring light source is located on the bottom side of the second ring light source. The third ring light source is provided with a second light-transmitting hole, and the first light-transmitting hole and the second light-transmitting hole are coaxial.

[0014] Optionally, the diameter of the second light-transmitting hole is larger than the diameter of the first light-transmitting hole.

[0015] Optionally, the third annular light source is arranged in a circumferential array of P third light-emitting areas around the center line of the first annular light source, and the light emitted by two adjacent third light-emitting areas is different, where P is a positive integer greater than three.

[0016] Optionally, the ring light source device also includes two vertical guide rails arranged opposite each other;

[0017] The first lifting device includes a first sliding bracket that is slidably mounted on the vertical guide rail at both ends and a lifting drive assembly for driving the first sliding bracket to move up and down along the vertical guide rail;

[0018] The first rotating platform is mounted on the bottom side of the first sliding bracket.

[0019] Optionally, the light emission angle of the first light-emitting region is adjustable, and the light emission angle of the second light-emitting region is adjustable.

[0020] Optionally, the first annular light source includes a lamp panel, a first housing, and an angle adjustment device for adjusting the tilt angle of the lamp panel. The angle adjustment device is installed in the housing, and the lamp panel is installed in the adjustment part of the angle adjustment device.

[0021] The lamp board includes a first circuit board and lamp beads mounted on the first circuit board, and the center line of the first circuit board intersects with the center line of the first ring light source.

[0022] Optionally, the angle adjustment device is a telescopic device, and one end of the first circuit board is hinged to the first housing.

[0023] Optionally, the lifting drive component is a cylinder.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] The ring light source device provided by this utility model has a first ring light source mounted on a first rotating platform and a second ring light source mounted on a second rotating platform. The heights of the first and second ring light sources are individually adjustable, and their center lines coincide. This allows for changes in the rotation angle and height of both the first and second ring light sources, thereby altering the light emission effect on the workpiece. In other words, it provides a variety of lighting effects to adapt to different detection needs, thus expanding the applicability of the ring light source device.

[0026] This invention has other features and advantages that will be apparent from or will be set forth in detail in the accompanying drawings and the following detailed description, which together serve to explain the particular principles of this invention. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the installation structure of the ring light source device provided in this embodiment of the utility model;

[0029] Figure 2 This is a three-dimensional structural schematic diagram of the first annular light source provided in an embodiment of the present invention;

[0030] Figure 3 This is a three-dimensional structural schematic diagram of the second annular light source provided in an embodiment of the present invention;

[0031] Figure 4 This is a three-dimensional structural schematic diagram of the third annular light source provided in an embodiment of this utility model.

[0032] Reference numerals: 1. First annular light source; 11. Light panel; 12. First housing; 2. First rotating platform; 3. Second annular light source; 4. Second rotating platform; 5. Third annular light source; 501. Second light-transmitting hole; 6. Third rotating platform; 7. Vertical guide rail; 81. First sliding bracket; 82. Second sliding bracket; 83. Third sliding bracket. Detailed Implementation

[0033] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.

[0034] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this application, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0035] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit this application.

[0036] In the description of this application, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " in this document generally indicates that the preceding and following objects have an "or" logical relationship.

[0037] In this application, terms such as “first” and “second” are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy or order relationship between these entities or operations.

[0038] Unless otherwise specified, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this application is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a list of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.

[0039] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments in this application, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.

[0040] In the description of the embodiments of this application, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the purpose of describing the specific embodiments of this application or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0041] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this application, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this application pertains, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0042] In view of the shortcomings of the existing ring light source devices, the applicant, based on years of practical experience and professional knowledge in the design and manufacture of such products, and in conjunction with the application of theoretical principles, actively researched and innovated in order to create a technology that could solve the shortcomings of the existing technology and make the ring light source device more practical. After continuous research, design, and repeated prototype production and improvement, this utility model with real practical value was finally created.

[0043] Please refer to Figures 1 to 4This utility model provides a ring light source device, including a first ring light source 1, a first rotating platform 2 for driving the first ring light source 1 to rotate, a first lifting device for driving the first rotating platform 2 to rise and fall along the center line of the first ring light source 1, a second ring light source 3, a second rotating platform 4 for driving the second ring light source 3 to rotate, and a second lifting device for driving the second rotating platform 4 to rise and fall along the center line of the first ring light source 1; the first ring light source 1 is located on the top side of the second ring light source 3, and the center lines of the first ring light source 1 and the second ring light source 3 coincide; both the first ring light source 1 and the second ring light source 3 emit light downwards at an angle, and the second ring light source 3 has a first light-transmitting hole 301 for the light from the first ring light source 1 to pass through;

[0044] The first ring light source 1 has M first light-emitting areas arranged in a circular array around its center line. The light emitted by two adjacent first light-emitting areas is different, and M is a positive integer greater than three.

[0045] In this embodiment, the first ring light source 1 is mounted on the first rotating platform 2, and the second ring light source 3 is mounted on the second rotating platform 4. The heights of the first ring light source 1 and the second ring light source 3 are individually adjustable, and the center lines of the first ring light source 1 and the second ring light source 3 coincide with each other. This allows the rotation angle and height of the first ring light source and the rotation angle and height of the second ring light source to be changed, thereby changing the light output effect on the workpiece. In other words, it provides a variety of lighting effects to adapt to different detection needs, making the ring light source device more applicable.

[0046] Specifically, the first rotating platform 2 adjusts the rotation angle of the first annular light source 1, so that different first light-emitting areas can illuminate a certain area of ​​the product, thereby facilitating the inspection of the product's appearance in that area and enabling the annular light source device to adapt to the inspection needs of different products. The first rotating platform 2 is a device that can drive the first annular light source 1 to rotate, and can be a rotary cylinder or other driving components; the second rotating platform 4 is similar.

[0047] Optionally, the second annular light source 3 is arranged in a circumferential array with N second light-emitting areas around the center line of the first annular light source 1. The light emitted by two adjacent second light-emitting areas is different in color, and N is a positive integer greater than three. Generally, N is 4, 6, or 8. N should not be too large or too small.

[0048] Optionally, the ring light source device further includes a third ring light source 5, a third rotating platform 6 for driving the third ring light source 5 to rotate, and a third lifting device for driving the third rotating platform 6 to rise and fall along the centerline of the first ring light source 1; the centerlines of the first ring light source 1 and the third ring light source 5 coincide, and the third ring light source 5 is located on one side of the bottom of the second ring light source 3, and the third ring light source 5 is provided with a second light-transmitting hole 501, with the first light-transmitting hole 301 and the second light-transmitting hole 501 coaxial. Specifically, the rotation angle and height of the third ring light source 5 are adjustable, thereby providing more lighting effects and further expanding the applicability of the ring light source device.

[0049] Optionally, the diameter of the second light-transmitting aperture 501 is larger than the diameter of the first light-transmitting aperture 301. It should also be noted that the first annular light source 1 is provided with a detection through-hole, thereby facilitating detection by the detection camera from the top.

[0050] Optionally, the third ring light source 5 is arranged in a circular array around the center line of the first ring light source 1 with P third light-emitting areas. The light emitted by two adjacent third light-emitting areas are different colors, and P is a positive integer greater than three.

[0051] Optionally, the ring light source device further includes two vertical guide rails 7 arranged opposite each other; the first lifting device includes a first sliding bracket 81 with both ends slidably mounted on the vertical guide rails 7 and a lifting drive assembly for driving the first sliding bracket 81 to rise and fall along the vertical guide rails 7; the first rotating platform 2 is mounted on one side of the bottom of the first sliding bracket 81. The lifting drive assembly can be a cylinder, an electric telescopic cylinder, a hydraulic cylinder, a linear motor, a linear module, etc. In this embodiment, the lifting drive assembly is not shown, and the lifting drive assembly is a cylinder.

[0052] Optionally, the light emission angle of the first light-emitting area is adjustable, and the light emission angle of the second light-emitting area is adjustable, which can better meet the needs of different lighting effects.

[0053] Optionally, the first annular light source 1 includes a lamp plate 11, a first housing 12, and an angle adjustment device for adjusting the tilt angle of the lamp plate 11. The angle adjustment device is installed in the housing, and the lamp plate 11 is installed in the adjustment part of the angle adjustment device. The angle adjustment device can be a driving component, or it can drive the lamp plate 11 to rotate to adjust the angle via a linkage assembly.

[0054] The lamp board 11 includes a first circuit board and LED beads mounted on the first circuit board, and the center line of the first circuit board intersects the center line of the first ring light source 1. Optionally, the angle adjustment device is a telescopic device, and one end of the first circuit board is hinged to the first housing 12. When the length of the telescopic rod extending from the telescopic device changes, the tilt angle of the first circuit board changes accordingly.

[0055] Finally, it should be noted that although the above embodiments have been described in the text and drawings of this application, this should not limit the scope of patent protection of this application. Any technical solutions that are based on the essential concept of this application and utilize the content described in the text and drawings of this application, resulting in equivalent structural or procedural substitutions or modifications, as well as the direct or indirect application of the technical solutions of the above embodiments to other related technical fields, are all included within the scope of patent protection of this application.

Claims

1. A ring-shaped light source device, characterized in that, It includes a first ring light source (1), a first rotating platform (2) for driving the first ring light source (1) to rotate, a first lifting device for driving the first rotating platform (2) to rise and fall along the center line of the first ring light source (1), a second ring light source (3), a second rotating platform (4) for driving the second ring light source (3) to rotate, and a second lifting device for driving the second rotating platform (4) to rise and fall along the center line of the first ring light source (1). The first ring light source (1) is located on the top side of the second ring light source (3), and the center lines of the first ring light source (1) and the second ring light source (3) coincide with each other; the first ring light source (1) and the second ring light source (3) both emit light downwards at an angle, and the second ring light source (3) has a first light-passing hole (301) for the light from the first ring light source (1) to pass through; The first ring light source (1) has M first light-emitting areas arranged in a circular array around the center line of the first ring light source (1). The light emitted by two adjacent first light-emitting areas is different, and M is a positive integer greater than three.

2. The ring light source device according to claim 1, characterized in that, The second ring light source (3) is arranged in a circular array around the center line of the first ring light source (1) with N second light-emitting areas. The light emitted by two adjacent second light-emitting areas is different, and N is a positive integer greater than three.

3. The ring light source device according to claim 1, characterized in that, It also includes a third annular light source (5), a third rotating platform (6) for driving the third annular light source (5) to rotate, and a third lifting device for driving the third rotating platform (6) to rise and fall along the center line of the first annular light source (1); The center lines of the first ring light source (1) and the third ring light source (5) coincide with each other, and the third ring light source (5) is located on the bottom side of the second ring light source (3). The third ring light source (5) is provided with a second light-transmitting hole (501), and the first light-transmitting hole (301) and the second light-transmitting hole (501) are coaxial.

4. The ring light source device according to claim 3, characterized in that, The diameter of the second light-transmitting hole (501) is larger than the diameter of the first light-transmitting hole (301).

5. The ring light source device according to claim 4, characterized in that, The third annular light source (5) is arranged in a circular array around the center line of the first annular light source (1) with P third light-emitting areas. The light emitted by two adjacent third light-emitting areas are different colors, and P is a positive integer greater than three.

6. The ring light source device according to claim 2, characterized in that, It also includes two vertical guide rails (7) that are set opposite to each other; The first lifting device includes a first sliding bracket (81) that is slidably mounted on the vertical guide rail (7) at both ends, and a lifting drive assembly for driving the first sliding bracket (81) to rise and fall along the vertical guide rail (7); The first rotating platform (2) is installed on the bottom side of the first sliding bracket (81).

7. The ring light source device according to claim 2, characterized in that, The light emission angle of the first light-emitting area is adjustable, and the light emission angle of the second light-emitting area is adjustable.

8. The ring light source device according to claim 7, characterized in that, The first ring light source (1) includes a lamp plate (11), a first housing (12), and an angle adjustment device for adjusting the tilt angle of the lamp plate (11). The angle adjustment device is installed in the housing, and the lamp plate (11) is installed in the adjustment part of the angle adjustment device. The lamp board (11) includes a first circuit board and lamp beads mounted on the first circuit board, and the center line of the first circuit board intersects with the center line of the first ring light source (1).

9. The ring light source device according to claim 8, characterized in that, The angle adjustment device is a telescopic device, and one end of the first circuit board is hinged to the first housing (12).

10. The ring light source device according to claim 6, characterized in that, The lifting drive component is a cylinder.