Angle-adjustable arched light source and machine vision detection device
By separating the arched light source into two independent arc-shaped shells and utilizing an angle adjustment component, the angle of the light source can be flexibly adjusted, solving the problem that existing arched light sources cannot be compatible with different detection needs and reducing detection costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG AOPUTE TECH CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-05
AI Technical Summary
The existing arched light source has a fixed illumination angle, which cannot be compatible with different detection needs, resulting in increased detection costs.
The arched light source is separated into two independent arc-shaped shells. The rotation angle of the arc-shaped shells is adjusted by the angle adjustment component, thereby adjusting the emitted light angle of the lamp panel, so that one light source can be compatible with different illumination angles.
It improves the convenience of testing and reduces testing costs.
Smart Images
Figure CN224203556U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of machine vision inspection technology, and in particular to an angle-adjustable arched light source and a machine vision inspection device. Background Technology
[0002] Machine vision refers to a technology that replaces the human eye in measuring and judging workpieces. It typically requires a light source to illuminate the workpiece, and a camera to acquire surface information. In industrial inspection applications, different lighting strategies are often needed to meet different inspection requirements. For example, with low-angle light, light reflected from smooth surfaces cannot enter the lens, resulting in lower image brightness, while light reflected from uneven surfaces enters the lens, resulting in higher image brightness. Therefore, it is mainly used for surface scratch detection, surface foreign object detection, and marking character detection and recognition. With high-angle light, the contour features of smooth surfaces can be observed, and more complex surface features such as scratches and steps can also be displayed. Areas with different surface roughness or light reflectivity will also show significant differences.
[0003] Arched light sources are a mainstream light source commonly used in machine vision inspection. Through their arc-shaped structure, when illuminating a workpiece, the light emitted by the LED lights is reflected by the inner arc surface and then shines outward from the space between the two bases. This concentrates the light and reduces scattering, improving inspection accuracy. However, most existing arched light sources have fixed illumination angles, making them incompatible with different inspection needs. Therefore, sometimes the inspection of a single workpiece requires a camera paired with multiple sets of arched light sources with different illumination angles, necessitating the development of multiple sets of arched light sources, which undoubtedly increases inspection costs significantly.
[0004] 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
[0005] The purpose of this invention is to provide an angle-adjustable arched light source and a machine vision inspection device to solve or at least partially solve the technical problems existing in the prior art.
[0006] To achieve this objective, the present invention adopts the following technical solution:
[0007] In a first aspect, this utility model provides an angle-adjustable arched light source, comprising two arc-shaped housings; a lamp plate is disposed inside the arc-shaped housings;
[0008] The two arc-shaped housings are connected together by an angle adjustment assembly; the angle adjustment assembly includes a pair of upper adjustment plates near the camera side for adjusting the size of the observation port and a pair of lower adjustment plates away from the camera side for cooperating with the upper adjustment plates to adjust the light emission angle of the lamp plate;
[0009] Both the upper and lower adjusting plates are limiting mechanisms with grooves on their surfaces; on both ends of the arc-shaped outer shell, guide rods that can slide along the grooves are respectively installed at the positions of the grooves, and the end of the guide rod away from the arc-shaped outer shell is also provided with a positioning element that can position the guide rod in the groove.
[0010] Optionally, the positioning member is threadedly connected to the end of the guide rod away from the arc-shaped housing, and the upper adjusting plate or the lower adjusting plate is tightly fixed to the end face of the arc-shaped housing.
[0011] Optionally, a sliding groove is provided at each end of the upper adjusting plate, and a sliding groove is also provided at each end of the lower adjusting plate;
[0012] The end face of the arc-shaped outer shell has insertion holes corresponding to the positions of each of the guide rods, and each guide rod is fixedly inserted into the corresponding insertion hole.
[0013] Optionally, the sliding grooves on both upper adjusting plates are first strip-shaped through grooves of the same shape; the sliding grooves on both lower adjusting plates are second strip-shaped through grooves of the same shape.
[0014] The length of the first strip-shaped through groove is greater than the length of the second strip-shaped through groove.
[0015] Optionally, the arc-shaped housing is in the shape of a fan-shaped cylinder, and a light source mounting plate is provided on the edge of the arc-shaped housing away from the camera side, extending towards the central axis of the arc-shaped housing, and the lamp plate is mounted on the light source mounting plate;
[0016] The inner wall of the arc-shaped shell is a reflective wall that can reflect light. The light emitted by the lamp panel is reflected by the inner wall of the arc-shaped shell and emitted from the side of the arc-shaped shell away from the observation port.
[0017] Optionally, multiple heat dissipation grooves are spaced apart on the cylindrical surface of the arc-shaped outer shell.
[0018] Optionally, a plurality of LEDs are evenly spaced along a direction parallel to the central axis on the light panel.
[0019] Optionally, the lower adjusting plate is a telescopic plate with adjustable length;
[0020] The telescopic plate includes two end plates with the grooves thereon, a telescopic section telescopically connected between the two end plates, and a limiting member for limiting the telescopic length of the telescopic plate.
[0021] Optionally, the arc-shaped outer shell is made of aluminum or aluminum alloy.
[0022] Secondly, this utility model provides a machine vision inspection device, including an arched light source and a camera positioned with an observation port facing the arched light source, characterized in that the arched light source is an angle-adjustable arched light source as described above.
[0023] Compared with the prior art, the present invention has the following beneficial effects:
[0024] This invention separates the arched light source into two independent arc-shaped shells. By adjusting the rotation angle of the arc-shaped shells through the angle adjustment component, the angle of the emitted light from the lamp board can be adjusted accordingly. This enables a single arched light source to be compatible with different light source illumination angles, which not only improves the convenience of detection but also greatly reduces the detection cost.
[0025] 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
[0026] 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.
[0027] Figure 1 This is a schematic diagram of the structure of an angle-adjustable arched light source provided in an embodiment of the present invention from one viewing angle.
[0028] Figure 2 This is a structural schematic diagram of an angle-adjustable arched light source provided in an embodiment of this utility model from another perspective.
[0029] Figure 3 This is a top view of an adjustable arched light source provided in an embodiment of this utility model.
[0030] Figure 4 yes Figure 3 LL-direction cross-section diagram.
[0031] Figure 5 This is a schematic diagram of the optical path of an angle-adjustable arched light source at 45 degrees, provided by an embodiment of this utility model.
[0032] Figure 6 This is a schematic diagram of the optical path of an angle-adjustable arched light source at 90 degrees, provided by an embodiment of this utility model.
[0033] Figure 7 This is a schematic diagram of the structure of an angle-adjustable arched light source at one angle, provided by an embodiment of this utility model.
[0034] Figure 8 This is a schematic diagram of the structure of an angle-adjustable arched light source provided in an embodiment of the present invention from another angle.
[0035] In the picture:
[0036] 10. Arc-shaped outer shell; 101. Observation port; 11. Socket; 12. Heat dissipation groove; 13. Lamp board; 131. LED lamp; 14. Light source mounting plate; 20. Angle adjustment assembly; 21. Upper adjustment plate; 22. Lower adjustment plate; 23. Slide groove; 30. Guide rod. Detailed Implementation
[0037] 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.
[0038] 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.
[0039] 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.
[0040] 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.
[0041] 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.
[0042] 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.
[0043] 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.
[0044] 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.
[0045] 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.
[0046] Example 1:
[0047] Please refer to Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the structure of an angle-adjustable arched light source provided in an embodiment of the present invention, viewed from one angle. Figure 2 This is a structural schematic diagram of an angle-adjustable arched light source provided in an embodiment of this utility model from another perspective.
[0048] like Figure 1 As shown, this embodiment provides an angle-adjustable arched light source, including two arc-shaped shells 10 that can be connected in an arch shape, the two arc-shaped shells 10 being spaced apart, with an observation port 101 formed in the middle;
[0049] Specifically, as an optional implementation, in this embodiment, the arc-shaped outer shell 10 is in the shape of a fan-shaped cylinder, such as... Figure 2 As shown, the edge of the curved housing 10 away from the camera side (i.e., Figure 2 In the middle, a light source mounting plate 14 is provided extending from the lower edge of the arc-shaped outer shell 10 toward the central axis of the arc-shaped outer shell 10, and the lamp plate 13 is mounted on the light source mounting plate 14;
[0050] It should be noted that the inner wall of the arc-shaped housing 10 is a reflective wall that can reflect light. The light emitted from the lamp plate 13 is reflected by the inner wall of the arc-shaped housing 10 and exits from the side of the arc-shaped housing 10 away from the observation port 101 (i.e., Figure 2 The light is emitted from the lower side of the centrally adjustable arched light source.
[0051] Furthermore, such as Figure 1 As shown, in this embodiment, the two arc-shaped shells 10 are connected together to an angle adjustment component 20;
[0052] Specifically, the angle adjustment assembly 20 includes a pair of upper adjustment plates 21 near the camera side for adjusting the size of the observation port 101 and a pair of lower adjustment plates 22 away from the camera side for cooperating with the upper adjustment plates 21 to adjust the light emission angle of the lamp plate 13; both the upper adjustment plates 21 and the lower adjustment plates 22 are limiting mechanisms with grooves 23 on their surfaces.
[0053] More specifically, on both ends of the arc-shaped outer shell 10, guide rods 30 that can slide along the slide grooves 23 are respectively installed at the positions of each slide groove 23. The end of the guide rod 30 away from the arc-shaped outer shell 10 is also provided with a positioning element (not shown in the figure) that can position the guide rod 30 in the slide groove 23.
[0054] In this embodiment, the arched light source is separated into two independent arc-shaped shells 10. The rotation angle of the arc-shaped shells is adjusted by the angle adjustment component 20, thereby adjusting the angle of the emitted light from the lamp plate 13 accordingly. This enables a set of arched light sources to be compatible with different light source illumination angles, which not only improves the convenience of detection but also greatly reduces the detection cost.
[0055] More specifically, as an optional implementation, the positioning member is threaded to the end of the guide rod 30 away from the arc-shaped housing 10, and the upper adjusting plate 21 or the lower adjusting plate 22 is tightly fixed to the end face of the arc-shaped housing 10.
[0056] For ease of understanding, as an optional implementation method, such as Figure 1 and Figure 2 As shown, a sliding groove 23 is provided at each end of the upper adjusting plate 21, and a sliding groove 23 is also provided at each end of the lower adjusting plate 22.
[0057] The end face of the arc-shaped outer shell 10 is provided with insertion holes 11 corresponding to the positions of each guide rod 30, and each guide rod 30 is fixedly inserted into the corresponding insertion hole 11.
[0058] Therefore, the two arc-shaped outer shells 10 in this embodiment can be used individually or together.
[0059] When two need to be used together, guide rods 30 are inserted into each socket 11, and the relative position between the two arc-shaped shells 10 can be changed by combining them with the sliding grooves 23 on the upper adjustment plate 21 or the lower adjustment plate 22. This allows for adjustment of their respective rotation angles, thereby changing the illumination angle of the light source.
[0060] Please refer to Figure 3 and Figure 4 , Figure 3 This is a top view schematic diagram of an angle-adjustable arched light source provided in an embodiment of this utility model. Figure 4 yes Figure 3 LL-direction cross-section diagram.
[0061] Specifically, multiple LED lights 131 are evenly spaced on the light panel 13 along a direction parallel to the central axis.
[0062] Figure 4The diagram shows the optical path at the initial position (i.e., when the lamp panel 13 is rotated at 0 degrees), which can achieve low-angle light source illumination.
[0063] If it is necessary to increase the angle of the light source, the angle adjustment component 20 can be used to make the corresponding adjustment. After the angle is adjusted, the position of the guide rod 30 in the slide groove 23 can be fixed by positioning the positioning component.
[0064] like Figure 5 and Figure 6 As shown, Figure 5 This is a schematic diagram of the optical path of an angle-adjustable arched light source at 45 degrees, provided by an embodiment of this utility model. Figure 6 This is a schematic diagram of the optical path of an angle-adjustable arched light source at 90 degrees, provided by an embodiment of this utility model.
[0065] Furthermore, the adjustment range of the angle of illumination by the light source can be determined by designing the travel range of the slide groove 23 on the adjustment plate. When a larger angle adjustment range is required, the travel range of the slide groove 23 on the lower adjustment plate 22 will be larger. Therefore, as a preferred implementation, in this embodiment, the lower adjustment plate 22 adopts a telescopic plate with adjustable length.
[0066] Specifically, the telescopic plate includes two end plates with grooves 23 thereon, a telescopic section telescopically connected between the two end plates, and a limiting member for limiting the telescopic length of the telescopic plate.
[0067] It should be noted that the rotation angle of the lamp plate 13 is generally between 0 and 45 degrees, which can meet most detection requirements. Therefore, the lower adjustment plate 22 does not need to use a long adjustment plate or telescopic plate.
[0068] As an optional implementation method, such as Figure 7 and Figure 8 As shown, Figure 7 This is a schematic diagram of the structure of an angle-adjustable arched light source at one angle, provided by an embodiment of this utility model. Figure 8 This is a schematic diagram of the structure of an angle-adjustable arched light source provided in an embodiment of the present invention from another angle;
[0069] In this embodiment, the sliding grooves 23 on the two upper adjusting plates 21 are all first strip-shaped through grooves of the same shape; the sliding grooves 23 on the two lower adjusting plates 22 are all second strip-shaped through grooves of the same shape.
[0070] The length of the first through groove is greater than the length of the second through groove.
[0071] In a preferred embodiment, in this embodiment, a plurality of heat dissipation grooves 12 are provided at intervals on the cylindrical surface of the arc-shaped outer shell 10.
[0072] In a preferred embodiment, the arc-shaped outer shell 10 is made of aluminum or aluminum alloy, which has better heat dissipation properties.
[0073] In summary, this embodiment separates the arched light source into two independent arc-shaped shells, which can be used individually or together. When the two are used together, the rotation angle of the arc-shaped shell can be adjusted by the angle adjustment component, thereby adjusting the angle of the emitted light from the lamp panel. This allows one set of arched light sources to be compatible with different light source illumination angles, which not only improves the convenience of detection but also greatly reduces the detection cost.
[0074] Example 2:
[0075] This embodiment provides a machine vision inspection device, including an arched light source and a camera positioned facing the observation port 101 of the arched light source;
[0076] like Figure 1 As shown, this embodiment provides an angle-adjustable arched light source, including two arc-shaped shells 10 that can be connected in an arch shape. The two arc-shaped shells 10 are spaced apart and an observation port 101 is formed in the middle. The camera can capture an image of the workpiece to be inspected through the observation port 101.
[0077] Specifically, as an optional implementation, in this embodiment, the arc-shaped outer shell 10 is in the shape of a fan-shaped cylinder, such as... Figure 2 As shown, the edge of the curved housing 10 away from the camera side (i.e., Figure 2 In the middle, a light source mounting plate 14 is provided extending from the lower edge of the arc-shaped outer shell 10 toward the central axis of the arc-shaped outer shell 10, and the lamp plate 13 is mounted on the light source mounting plate 14;
[0078] It should be noted that the inner wall of the arc-shaped housing 10 is a reflective wall that can reflect light. The light emitted from the lamp plate 13 is reflected by the inner wall of the arc-shaped housing 10 and exits from the side of the arc-shaped housing 10 away from the observation port 101 (i.e., Figure 2 The light is emitted from the lower side of the centrally adjustable arched light source.
[0079] Furthermore, such as Figure 1 As shown, in this embodiment, the two arc-shaped shells 10 are connected together to an angle adjustment component 20;
[0080] Specifically, the angle adjustment assembly 20 includes a pair of upper adjustment plates 21 near the camera side for adjusting the size of the observation port 101 and a pair of lower adjustment plates 22 away from the camera side for cooperating with the upper adjustment plates 21 to adjust the light emission angle of the lamp plate 13; both the upper adjustment plates 21 and the lower adjustment plates 22 are limiting mechanisms with grooves 23 on their surfaces.
[0081] More specifically, on both ends of the arc-shaped outer shell 10, guide rods 30 that can slide along the slide grooves 23 are respectively installed at the positions of each slide groove 23. The end of the guide rod 30 away from the arc-shaped outer shell 10 is also provided with a positioning element (not shown in the figure) that can position the guide rod 30 in the slide groove 23.
[0082] In this embodiment, the arched light source is separated into two independent arc-shaped shells 10. The rotation angle of the arc-shaped shells is adjusted by the angle adjustment component 20, thereby adjusting the angle of the emitted light from the lamp plate 13 accordingly. This enables a set of arched light sources to be compatible with different light source illumination angles, which not only improves the convenience of detection but also greatly reduces the detection cost.
[0083] More specifically, as an optional implementation, the positioning member is threaded to the end of the guide rod 30 away from the arc-shaped housing 10, and the upper adjusting plate 21 or the lower adjusting plate 22 is tightly fixed to the end face of the arc-shaped housing 10.
[0084] For ease of understanding, as an optional implementation method, such as Figure 1 and Figure 2 As shown, a sliding groove 23 is provided at each end of the upper adjusting plate 21, and a sliding groove 23 is also provided at each end of the lower adjusting plate 22.
[0085] The end face of the arc-shaped outer shell 10 is provided with insertion holes 11 corresponding to the positions of each guide rod 30, and each guide rod 30 is fixedly inserted into the corresponding insertion hole 11.
[0086] Therefore, the two arc-shaped outer shells 10 in this embodiment can be used individually or together.
[0087] When two need to be used together, guide rods 30 are inserted into each socket 11, and the relative position between the two arc-shaped shells 10 can be changed by combining them with the sliding grooves 23 on the upper adjustment plate 21 or the lower adjustment plate 22. This allows for adjustment of their respective rotation angles, thereby changing the illumination angle of the light source.
[0088] Please refer to Figure 3 and Figure 4 , Figure 3 This is a top view schematic diagram of an angle-adjustable arched light source provided in an embodiment of this utility model. Figure 4 yes Figure 3 LL-direction cross-section diagram.
[0089] Specifically, multiple LED lights 131 are evenly spaced on the light panel 13 along a direction parallel to the central axis.
[0090] Figure 4 The diagram shows the optical path at the initial position (i.e., when the lamp panel 13 is rotated at 0 degrees), which can achieve low-angle light source illumination.
[0091] If it is necessary to increase the angle of the light source, the angle adjustment component 20 can be used to make the corresponding adjustment. After the angle is adjusted, the position of the guide rod 30 in the slide groove 23 can be fixed by positioning the positioning component.
[0092] like Figure 5 and Figure 6 As shown, Figure 5 This is a schematic diagram of the optical path of an angle-adjustable arched light source at 45 degrees, provided by an embodiment of this utility model. Figure 6 This is a schematic diagram of the optical path of an angle-adjustable arched light source at 90 degrees, provided by an embodiment of this utility model.
[0093] Furthermore, the adjustment range of the angle of illumination by the light source can be determined by designing the travel range of the slide groove 23 on the adjustment plate. When a larger angle adjustment range is required, the travel range of the slide groove 23 on the lower adjustment plate 22 will be larger. Therefore, as a preferred implementation, in this embodiment, the lower adjustment plate 22 adopts a telescopic plate with adjustable length.
[0094] Specifically, the telescopic plate includes two end plates with grooves 23 thereon, a telescopic section telescopically connected between the two end plates, and a limiting member for limiting the telescopic length of the telescopic plate.
[0095] It should be noted that the rotation angle of the lamp plate 13 is generally between 0 and 45 degrees, which can meet most detection requirements. Therefore, the lower adjustment plate 22 does not need to use a long adjustment plate or telescopic plate.
[0096] As an optional implementation method, such as Figure 7 and Figure 8 As shown, Figure 7 This is a schematic diagram of the structure of an angle-adjustable arched light source at one angle, provided by an embodiment of this utility model. Figure 8 This is a schematic diagram of the structure of an angle-adjustable arched light source provided in an embodiment of the present invention from another angle;
[0097] In this embodiment, the sliding grooves 23 on the two upper adjusting plates 21 are all first strip-shaped through grooves of the same shape; the sliding grooves 23 on the two lower adjusting plates 22 are all second strip-shaped through grooves of the same shape.
[0098] The length of the first through groove is greater than the length of the second through groove.
[0099] In a preferred embodiment, in this embodiment, a plurality of heat dissipation grooves 12 are provided at intervals on the cylindrical surface of the arc-shaped outer shell 10.
[0100] In a preferred embodiment, the arc-shaped outer shell 10 is made of aluminum or aluminum alloy, which has better heat dissipation properties.
[0101] The machine vision inspection device in this embodiment has high flexibility. Its light source can be adjusted to different illumination angles, which can be compatible with different inspection needs, greatly improving the convenience of inspection and reducing inspection costs.
[0102] The above-described embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. An angle-adjustable arched light source, characterized in that, It includes two arc-shaped outer shells (10); a lamp panel (13) is provided inside the arc-shaped outer shell (10); The two arc-shaped housings (10) are connected together to an angle adjustment assembly (20); the angle adjustment assembly (20) includes a pair of upper adjustment plates (21) near the camera side for adjusting the size of the observation port (101) and a pair of lower adjustment plates (22) away from the camera side for cooperating with the upper adjustment plates (21) to adjust the light emission angle of the lamp plate (13); Both the upper adjusting plate (21) and the lower adjusting plate (22) are limiting mechanisms with grooves (23) on their surfaces; on both ends of the arc-shaped outer shell (10), guide rods (30) that can slide along the grooves (23) are respectively installed at the positions of each groove (23), and the end of the guide rod (30) away from the arc-shaped outer shell (10) is also provided with a positioning element that can position the guide rod (30) in the groove (23).
2. The angle-adjustable arched light source according to claim 1, characterized in that, The positioning member is threadedly connected to the end of the guide rod (30) away from the arc-shaped outer shell (10), and enables the upper adjusting plate (21) or the lower adjusting plate (22) to be tightly fixed to the end face of the arc-shaped outer shell (10).
3. The angle-adjustable arched light source according to claim 1, characterized in that, The upper adjusting plate (21) has a sliding groove (23) at each end, and the lower adjusting plate (22) also has a sliding groove (23) at each end; The arc-shaped outer shell (10) has insertion holes (11) on its end face corresponding to the positions of each guide rod (30), and each guide rod (30) is fixedly inserted into the corresponding insertion hole (11).
4. The angle-adjustable arched light source according to claim 3, characterized in that, The sliding grooves (23) on both upper adjusting plates (21) are first strip-shaped through grooves of the same shape; the sliding grooves (23) on both lower adjusting plates (22) are second strip-shaped through grooves of the same shape; The length of the first strip-shaped through groove is greater than the length of the second strip-shaped through groove.
5. An angle-adjustable arched light source according to claim 1, characterized in that, The arc-shaped housing (10) is in the shape of a fan-shaped cylinder. A light source mounting plate (14) is provided on the edge of the arc-shaped housing (10) away from the camera side and extends toward the central axis of the arc-shaped housing (10). The lamp plate (13) is mounted on the light source mounting plate (14). The inner wall of the arc-shaped outer shell (10) is a reflective wall that can reflect light. The light emitted by the lamp plate (13) is reflected by the inner wall of the arc-shaped outer shell (10) and emitted from the side of the arc-shaped outer shell (10) away from the observation port (101).
6. The angle-adjustable arched light source according to claim 5, characterized in that, Multiple heat dissipation grooves (12) are spaced apart on the cylindrical surface of the arc-shaped outer shell (10).
7. The angle-adjustable arched light source according to claim 5, characterized in that, Multiple LED lights (131) are evenly spaced along a direction parallel to the central axis on the light panel (13).
8. An angle-adjustable arched light source according to claim 4, characterized in that, The lower adjusting plate (22) is a telescopic plate with adjustable length; The telescopic plate includes two end plates with the grooves (23) thereon, a telescopic section telescopically connected between the two end plates, and a limiting member for limiting the telescopic length of the telescopic plate.
9. An angle-adjustable arched light source according to claim 1, characterized in that, The arc-shaped outer shell (10) is made of aluminum or aluminum alloy.
10. A machine vision inspection device, comprising an arched light source and a camera positioned facing an observation port (101) of the arched light source, characterized in that, The arched light source is an angle-adjustable arched light source as described in any one of claims 1-9.