Multi-angle ring-shaped combined light source
Patent Information
- Application Number
- CN202522317202.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-31
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-10-31
AI Technical Summary
[0003]在机器视觉检测中，金属、玻璃、塑料等高反光材质工件的表面缺陷检测一直是行业难点，因这类工件具有强烈的镜面反射，容易会导致相机过曝，掩盖真实的表面纹理特征，如划痕、麻点、橘皮纹等，影响检测效果，现有的环形光源其射出角度单一固定，无法在一次拍摄中同时获得均匀照明和高对比度的纹理图像，导致无法满足检测效果
[0015]与现有技术相比，本实用新型具备如下优势：在本实用新型实施例中，可以将待检测工件放置在安装座的下方，可以将相机检测模组放置在安装座的上方；第一发光组件发出的光线能够通过第一发光面向外射出，并将光线照射在待检测的工件上，由于第一发光面朝向竖直向下的方向设置，使得第一发光组件能够对待检测工件射出高角度环形光，以能够提供均匀的整体照明，满足照明检测需求，而第二发光组件在竖直方向上与第一发光组件错开设置，以能够避免阻挡第一发光组件射出的光线，保证第一发光组件的照明效果；第二发光组件发出的光线能够通过第二发光面向外射出，并将光线照射在待检测工件上，由于第二发光面朝向倾斜向下的方向设置，使得第二发光组件能够对待检测工件射出低角度环形光，能产生显著的阴影效应，增强表面凹凸缺陷的对比度，满足照明检测需求；可以通过相机检测模组从开口处对待检测工件进行检测，第一发光组件和第二发光组件均在竖直方向上错开开口设置，以避免阻挡相机检测模组进行检测，而在开口处设置有偏光板，以能够有效抑制有害反光，以满足检测效果。
Smart Images
Figure CN224787009U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of detection light source technology, and in particular to a multi-angle ring combined light source. Background Technology
[0002] In the field of machine vision, it is usually necessary to use a light source to illuminate the product when inspecting its appearance. Among them, ring light sources are widely used in the inspection field.
[0003] In machine vision inspection, the detection of surface defects in highly reflective materials such as metal, glass, and plastic has always been a challenge in the industry. These materials have strong specular reflection, which can easily lead to camera overexposure, obscuring the true surface texture features, such as scratches, pits, and orange peel texture, thus affecting the inspection results. Existing ring light sources have a single and fixed emission angle, which cannot obtain uniform illumination and high-contrast texture images in a single shot, thus failing to meet the inspection requirements. Utility Model Content
[0004] The purpose of this invention is to overcome the above-mentioned defects in the prior art and provide a multi-angle ring combined light source that can emit ring light at both high and low angles, which can meet the detection requirements.
[0005] To achieve the above objectives, this utility model provides a multi-angle annular combined light source, which includes a mounting base, a first light-emitting component, a second light-emitting component, and a polarizing plate. The mounting base has a receiving groove and an opening; the receiving groove is located at the bottom end of the mounting base; the opening is located at the top end of the mounting base, extending vertically and communicating with the top wall of the receiving groove; the first light-emitting component is annular; the first light-emitting component is disposed within the receiving groove and is vertically offset from the opening; the first light-emitting component has an annular first light-emitting surface facing vertically downwards; the second light-emitting component is annular; the second light-emitting component is connected to the bottom periphery of the mounting base and is vertically offset from both the first light-emitting component and the opening; the second light-emitting component has an annular second light-emitting surface facing downwards and towards the lower part of the opening; the polarizing plate is located at the opening.
[0006] Furthermore, the mounting base includes a first sleeve; the first sleeve includes a first cylindrical body and a first annular boss; the first annular boss is disposed on the bottom outer periphery of the first cylindrical body; the first cylindrical body is vertically through; the first light-emitting component is disposed in the first cylindrical body, and the second light-emitting component is connected to the bottom end of the first annular boss.
[0007] Furthermore, the mounting base also includes a second sleeve; the second sleeve is disposed above the first sleeve; the second sleeve includes a second cylindrical body and a second annular boss; the second annular boss is disposed on the bottom outer periphery of the second cylindrical body; the second cylindrical body is vertically continuous; the bottom end of the second annular boss is connected to the top end of the first cylindrical body, and the second annular boss and the first cylindrical body together define the receiving groove.
[0008] Furthermore, the first light-emitting component includes a first base and a first light-emitting element; both the first base and the first light-emitting element are annular; the first light-emitting element is connected to the first base; the first light-emitting element is oriented in a vertically downward direction; in the vertical direction, the first base is offset from the opening.
[0009] Furthermore, the first base includes a first annular top cover, a first annular perimeter, and a first diffuser plate; the first annular top cover is connected to the upper end of the first annular perimeter, and the first diffuser plate is connected to the lower end of the first annular perimeter; the first annular top cover and the first diffuser plate are arranged opposite to each other in the vertical direction and spaced apart; the first light-emitting element is connected to the first annular top cover and is located between the first annular top cover and the first diffuser plate; the end face of the first diffuser plate away from the first light-emitting element is the first light-emitting surface.
[0010] Furthermore, the second light-emitting component includes a second base and a second light-emitting element; both the second base and the second light-emitting element are annular; the second base is connected to the bottom end of the first annular boss, and the second light-emitting element is connected to the second base; the second light-emitting element is arranged in a downward inclined direction; in the vertical direction, the second base is staggered from the first light-emitting component and the opening.
[0011] Furthermore, the second base includes a second annular top cover, a second annular circumference, and a second diffuser plate; the second annular top cover is connected to the upper end of the second annular circumference; one end of the second diffuser plate is connected to the lower end of the second annular circumference, and the second annular top cover and the second diffuser plate are arranged opposite to each other in the vertical direction and spaced apart; the second light-emitting element is connected to the second annular top cover and is located between the second annular top cover and the second diffuser plate; the end face of the second diffuser plate away from the second light-emitting element is the second light-emitting surface.
[0012] Furthermore, it also includes a camera detection module; the camera detection module is disposed at the opening and located above the polarizing plate; the detection end of the camera detection module is oriented downwards.
[0013] Furthermore, it also includes a connector; a connection hole is provided on the inner wall of the opening, and the connection hole extends to the outer side of the mounting base; the camera detection module abuts against the inner side wall of the opening, the connector is detachably inserted through the connection hole, and one end of the connector abuts against the camera detection module.
[0014] Furthermore, a limiting groove is provided on the inner wall of the opening, the upper end of the limiting groove extends to the top of the mounting base, and the polarizing plate is disposed on the bottom wall of the limiting groove; the camera detection module abuts against the inner sidewall of the limiting groove.
[0015] Compared with the prior art, the present invention has the following advantages: In the embodiments of the present invention, the workpiece to be inspected can be placed below the mounting base, and the camera inspection module can be placed above the mounting base; the light emitted by the first light-emitting component can be emitted outward through the first light-emitting surface and illuminate the workpiece to be inspected. Since the first light-emitting surface is set in a vertically downward direction, the first light-emitting component can emit a high-angle ring light to the workpiece to be inspected, so as to provide uniform overall illumination and meet the illumination inspection requirements. The second light-emitting component is vertically offset from the first light-emitting component to avoid blocking the light emitted by the first light-emitting component and to ensure the first light-emitting component emits light. The lighting effect of the components: The light emitted by the second light-emitting component can be emitted outward through the second light-emitting surface and illuminate the workpiece to be inspected. Since the second light-emitting surface is set in a downward tilting direction, the second light-emitting component can emit low-angle ring light to the workpiece to be inspected, which can produce a significant shadow effect, enhance the contrast of surface unevenness defects, and meet the lighting inspection requirements. The workpiece to be inspected can be inspected from the opening through the camera inspection module. The first light-emitting component and the second light-emitting component are both set with the openings staggered in the vertical direction to avoid blocking the camera inspection module from inspecting. A polarizing plate is set at the opening to effectively suppress harmful reflections and meet the inspection effect. Attached Figure Description
[0016] To more clearly illustrate the technology 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the structure of the multi-angle ring-shaped combined light source of this utility model;
[0018] Figure 2 This is a structural schematic diagram of the multi-angle ring-shaped combined light source of this utility model from another perspective;
[0019] Figure 3 This is a cross-sectional view of the multi-angle annular combined light source of this utility model;
[0020] Figure 4 This is a cross-sectional view of the mounting base for the multi-angle annular combined light source of this utility model;
[0021] Figure 5 This is a schematic diagram of the structure of the first light-emitting component of the multi-angle ring combined light source of this utility model.
[0022] Reference numerals: First light-emitting component 100; First light-emitting surface 101; First base 110; First annular top cover 111; First annular circumference 112; First diffuser plate 113; First light-emitting element 120; Second light-emitting component 200; Second light-emitting surface 201; Second base 210; Second annular top cover 211; Second annular circumference 212; Second diffuser plate 213; Second light-emitting element 220; Mounting base 300; Receiving groove 301; Opening 302; Connecting hole 303; Limiting groove 304; First sleeve 310; First cylinder 311; First annular boss 312; Second sleeve 320; Second cylinder 321; Second annular boss 322; Camera detection module 400; Connector 500; Polarizing plate 600. Detailed Implementation
[0023] The technology of this embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiment is one embodiment of the present invention, and not all embodiments thereof. Based on this embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0024] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0025] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second", such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated.
[0026] Please see Figures 1 to 5This utility model provides a multi-angle annular combined light source, which includes a mounting base 300, a first light-emitting component 100, a second light-emitting component 200, and a polarizing plate 600. The mounting base 300 is provided with a receiving groove 301 and an opening 302. The receiving groove 301 is located at the bottom end of the mounting base 300. The opening 302 is located at the top end of the mounting base 300 and extends vertically through it, communicating with the top wall of the receiving groove 301. The first light-emitting component 100 is annular and is disposed within the receiving groove 301, extending vertically through it. The first light-emitting component 100 is offset from the opening 302; the first light-emitting surface 101 is annular and faces vertically downward; the second light-emitting component 200 is annular; the second light-emitting component 200 is connected to the bottom periphery of the mounting base 300 and is offset from the first light-emitting component 100 and the opening 302 in the vertical direction; the second light-emitting component 200 has annular second light-emitting surface 201, which faces inclined downward and is positioned below the opening 302; the polarizing plate 600 is disposed at the opening 302.
[0027] In this embodiment of the invention, the workpiece to be inspected can be placed below the mounting base 300, and the camera inspection module 400 can be placed above the mounting base 300. The light emitted by the first light-emitting component 100 can be emitted outward through the first light-emitting surface 101 and illuminate the workpiece to be inspected. Since the first light-emitting surface 101 is oriented vertically downward, the first light-emitting component 100 can emit high-angle ring light to the workpiece to be inspected, thereby providing uniform overall illumination to meet the illumination inspection requirements. The second light-emitting component 200 is vertically offset from the first light-emitting component 100 to avoid blocking the light emitted by the first light-emitting component 100 and to ensure the illumination effect of the first light-emitting component 100. The light emitted by the light component 200 can be emitted outward through the second light-emitting surface 201 and illuminate the workpiece to be inspected. Since the second light-emitting surface 201 is set in a downward tilting direction, the second light-emitting component 200 can emit low-angle ring light from the workpiece to be inspected, which can produce a significant shadow effect, enhance the contrast of surface unevenness defects, and meet the lighting inspection requirements. The workpiece to be inspected can be inspected through the camera inspection module 400 from the opening 302. The first light-emitting component 100 and the second light-emitting component 200 are both set vertically offset from the opening 302 to avoid blocking the camera inspection module 400 from inspecting. A polarizing plate 600 is set at the opening 302 to effectively suppress harmful reflections and meet the inspection effect.
[0028] Specifically, it also includes a control component, which is connected to the mounting base 300; the control component is electrically connected to the first light-emitting component 100 and the second light-emitting component 200, and can control the opening and closing of the first light-emitting component 100 and the second light-emitting component 200 to meet the detection requirements.
[0029] Reference Figure 3 and Figure 4 In some embodiments of this utility model, the mounting base 300 includes a first sleeve 310; the first sleeve 310 includes a first cylindrical body 311 and a first annular boss 312; the first annular boss 312 is disposed on the bottom outer periphery of the first cylindrical body 311; the first cylindrical body 311 is disposed through in the vertical direction; the first light-emitting component 100 is disposed inside the first cylindrical body 311, and the second light-emitting component 200 is connected to the bottom end of the first annular boss 312.
[0030] The first light-emitting component 100 is located inside the first cylindrical body 311 so that the position of the first light-emitting component 100 can be defined by the first cylindrical body 311. A first annular boss 312 is provided on the bottom outer periphery of the first sleeve 310. The second light-emitting component 200 is connected to the first annular boss 312 so that it can be offset from the first light-emitting component 100 located inside the first cylindrical body 311 in the vertical direction.
[0031] Specifically, the first sleeve 310 and the first annular boss 312 are integrally formed.
[0032] Reference Figure 3 and Figure 4 In some embodiments of this utility model, the mounting base 300 further includes a second sleeve 320; the second sleeve 320 is disposed above the first sleeve 310; the second sleeve 320 includes a second cylindrical body 321 and a second annular boss 322; the second annular boss 322 is disposed on the outer periphery of the bottom of the second cylindrical body 321; the second cylindrical body 321 is disposed through in the vertical direction; the bottom end of the second annular boss 322 is connected to the top end of the first cylindrical body 311, and the second annular boss 322 and the first cylindrical body 311 together define a receiving groove 301.
[0033] The second annular boss 322 is disposed above the first cylinder 311 so as to define a receiving groove 301 between the second annular boss 311 and the first light-emitting component 100 abuts against the inner wall of the first cylinder 311 and against the bottom wall of the second annular boss 322.
[0034] Specifically, a first threaded hole structure is provided on both the first light-emitting component 100 and the second annular boss 322. The first light-emitting component 100 and the second annular boss 322 can be detachably connected by a bolt structure passing through the opposite first threaded hole structure.
[0035] Specifically, the second sleeve 320 and the second annular boss 322 are integrally formed.
[0036] Reference Figure 2 and Figure 3 In some embodiments of this utility model, the first light-emitting component 100 includes a first base 110 and a first light-emitting element 120; both the first base 110 and the first light-emitting element 120 are annular; the first light-emitting element 120 is connected to the first base 110; the first light-emitting element 120 is arranged in a vertically downward direction; in the vertical direction, the first base 110 is offset from the opening 302.
[0037] The first light-emitting element 120 is arranged downwards, so that the first light-emitting surface 101 of the first light-emitting component 100 faces the vertically downward direction; wherein, the first light-emitting element 120 can be located inside the first base 110, so that the first base 110 is staggered from the opening 302 in the vertical direction, which can prevent the first light-emitting component 100 from blocking the detection operation of the camera detection module 400.
[0038] Specifically, the first light-emitting element 120 can be a ring-shaped LED light bead board structure.
[0039] Specifically, the second annular boss 322 is connected to the first base 110.
[0040] Reference Figure 2 , Figure 3 and Figure 5 In some embodiments of this utility model, the first base 110 includes a first annular upper cover 111, a first annular periphery 112, and a first diffuser plate 113; the first annular upper cover 111 is connected to the upper end of the first annular periphery 112, and the first diffuser plate 113 is connected to the lower end of the first annular periphery 112; the first annular upper cover 111 and the first diffuser plate 113 are arranged opposite to each other in the vertical direction and spaced apart; the first light-emitting element 120 is connected to the first annular upper cover 111 and is located between the first annular upper cover 111 and the first diffuser plate 113; the end face of the first diffuser plate 113 away from the first light-emitting element 120 is the first light-emitting surface 101.
[0041] Specifically, the outer ends of the first annular top cover 111 and the first diffuser plate 113 are respectively connected to the bottom end of the top of the first annular circumference 112. The first light-emitting element 120 is located between the first annular top cover 111 and the first diffuser plate 113. The first light-emitting element 120 illuminates the first diffuser plate 113 and then emits light downwards. Since the first light-emitting element 120 is oriented in a vertically downward direction, the utilization rate of light can be guaranteed.
[0042] Reference Figure 2 and Figure 3In some embodiments of this utility model, the second light-emitting component 200 includes a second base 210 and a second light-emitting element 220; both the second base 210 and the second light-emitting element 220 are annular; the second base 210 is connected to the bottom end of the first annular boss 312, and the second light-emitting element 220 is connected to the second base 210; the second light-emitting element 220 is arranged in a downwardly inclined direction; in the vertical direction, the second base 210 is staggered from the first base 110 and the opening 302.
[0043] The second light-emitting element 220 is oriented in a downward tilting direction, so that the second light-emitting surface 201 of the second light-emitting component 200 is oriented in a downward tilting direction; wherein, the second light-emitting element 220 can be located inside the second base 210, so that the second base 210 is vertically offset from the opening 302 of the first base 110, which can prevent the second light-emitting component 200 from blocking the detection operation of the camera detection module 400 and the illumination effect of the first light-emitting component 100.
[0044] Specifically, the second light-emitting element 220 can be a ring-shaped LED light bead board structure.
[0045] Specifically, the angle between the orientation of the second light-emitting element 220 and the horizontal plane is 60°.
[0046] Reference Figure 2 and Figure 3 In some embodiments of this utility model, the second base 210 includes a second annular upper cover 211, a second annular circumference 212, and a second diffuser plate 213; the second annular upper cover 211 is connected to the upper end of the second annular circumference 212; one end of the second diffuser plate 213 is connected to the lower end of the second annular circumference 212, and the second annular upper cover 211 and the second diffuser plate 213 are arranged opposite to each other in the vertical direction and spaced apart; the second light-emitting element 220 is connected to the second annular upper cover 211 and is located between the second annular upper cover 211 and the second diffuser plate 213; the end face of the second diffuser plate 213 away from the second light-emitting element 220 is the second light-emitting surface 201.
[0047] Specifically, the outer ends of the second annular cover 211 and the second diffuser plate 213 are respectively connected to the bottom end of the top of the second annular circumference 212. The second light-emitting element 220 is located between the second annular cover 211 and the second diffuser plate 213. The second light-emitting element 220 illuminates the second diffuser plate 213, and the light then shines obliquely downward. Since the second light-emitting element 220 is oriented in a vertically downward direction, the utilization rate of light can be guaranteed.
[0048] Specifically, the second diffuser plate 213 is composed of a first segment, a second segment, and a third segment; the first segment extends horizontally, the second segment extends obliquely downward toward the opening 302, and the third segment extends vertically. One end of the first segment is connected to the lower end of the second annular circumference 212, and the two ends of the second segment are connected to one end of the first segment and one end of the third segment, respectively. The other end of the third segment extends to the lower end of the other end of the second annular circumference 212. The second segment is positioned opposite to the second light-emitting element 220, and the end face of the second segment away from the second light-emitting element 220 is the second light-emitting surface 201.
[0049] Reference Figures 1 to 3 In some embodiments of this utility model, a camera detection module 400 is also included; the camera detection module 400 is disposed at the opening 302 and located above the polarizing plate 600; the detection end of the camera detection module 400 is oriented downwards.
[0050] The workpiece to be inspected can be placed directly below the opening 302 of the mounting base 300. The camera inspection module 400 needs to inspect the workpiece through the polarizing plate 600 to ensure the inspection effect. Specifically, a polarizer is also provided on the inspection end of the camera inspection module 400. The angle between the polarizing plate 600 and the polarizer of the camera inspection module 400 can be adjusted by rotating the camera inspection module 400.
[0051] Reference Figure 3 and Figure 4 In some embodiments of this utility model, a connector 500 is also included; a connecting hole 303 is provided on the inner wall of the opening 302, and the connecting hole 303 extends to the outer side of the mounting base 300; the camera detection module 400 abuts against the inner side wall of the opening 302, the connector 500 is detachably inserted through the connecting hole 303, and one end of the connector 500 abuts against the camera detection module 400.
[0052] The periphery of the camera detection module 400 abuts against the inner wall of the opening 302 to limit the position of the camera detection module 400 within the opening 302. After the connector 500 passes through the connecting hole 303, one end of the connector 500 and the camera detection module 400 are connected by friction between the connector 500 and the camera detection module 400 to limit the position of the camera detection module 400 within the opening 302.
[0053] Reference Figure 3 and Figure 4 In some embodiments of this utility model, a limiting groove 304 is provided on the inner wall of the opening 302, the upper end of the limiting groove 304 extends to the top of the mounting base 300, and the polarizing plate 600 is disposed on the bottom wall of the limiting groove 304; the camera detection module 400 abuts against the inner side wall of the limiting groove 304.
[0054] By setting the limiting groove 304, the positions of the polarizing plate 600 and the camera detection module 400 can be limited, thereby improving the stability of the detection.
[0055] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A multi-angle ring-shaped combined light source, characterized in that, include: The mounting base is provided with a receiving groove and an opening; the receiving groove is located at the bottom end of the mounting base; the opening is located at the top end of the mounting base, and is vertically continuous, communicating with the top wall of the receiving groove. The first light-emitting component is annular; the first light-emitting component is disposed in the receiving groove and is offset from the opening in the vertical direction; the first light-emitting component has an annular first light-emitting surface, which is oriented in the vertically downward direction; The second light-emitting component is ring-shaped; the second light-emitting component is connected to the bottom periphery of the mounting base and is vertically offset from the first light-emitting component and the opening respectively; the second light-emitting component has a ring-shaped second light-emitting surface, which is oriented in a downward tilting direction and is oriented below the opening; A polarizing plate is disposed at the opening.
2. The multi-angle annular combined light source according to claim 1, characterized in that, The mounting base includes a first sleeve; the first sleeve includes a first cylindrical body and a first annular boss; the first annular boss is disposed on the bottom outer periphery of the first cylindrical body; the first cylindrical body is vertically through; the first light-emitting component is disposed in the first cylindrical body, and the second light-emitting component is connected to the bottom end of the first annular boss.
3. The multi-angle annular combined light source according to claim 2, characterized in that, The mounting base further includes a second sleeve; the second sleeve is disposed above the first sleeve; the second sleeve includes a second cylindrical body and a second annular boss; the second annular boss is disposed on the bottom outer periphery of the second cylindrical body; the second cylindrical body is vertically continuous; the bottom end of the second annular boss is connected to the top end of the first cylindrical body, and the second annular boss and the first cylindrical body together define the receiving groove.
4. The multi-angle ring-shaped combined light source according to claim 1, characterized in that, The first light-emitting component includes a first base and a first light-emitting element; both the first base and the first light-emitting element are annular; the first light-emitting element is connected to the first base; the first light-emitting element is oriented in a vertically downward direction; in the vertical direction, the first base is offset from the opening.
5. The multi-angle annular combined light source according to claim 4, characterized in that, The first base includes a first annular top cover, a first annular circumference, and a first diffuser plate; the first annular top cover is connected to the upper end of the first annular circumference, and the first diffuser plate is connected to the lower end of the first annular circumference; the first annular top cover and the first diffuser plate are arranged opposite to each other in the vertical direction and are spaced apart; the first light-emitting element is connected to the first annular top cover and is located between the first annular top cover and the first diffuser plate; the end face of the first diffuser plate away from the first light-emitting element is the first light-emitting surface.
6. The multi-angle annular combined light source according to claim 2, characterized in that, The second light-emitting component includes a second base and a second light-emitting element; both the second base and the second light-emitting element are annular; the second base is connected to the bottom end of the first annular boss, and the second light-emitting element is connected to the second base; the second light-emitting element is oriented in a downward tilting direction; in the vertical direction, the second base is staggered from the first light-emitting component and the opening.
7. The multi-angle annular combined light source according to claim 6, characterized in that, The second base includes a second annular top cover, a second annular circumference, and a second diffuser plate; the second annular top cover is connected to the upper end of the second annular circumference; one end of the second diffuser plate is connected to the lower end of the second annular circumference, and the second annular top cover and the second diffuser plate are arranged opposite to each other in the vertical direction and spaced apart; the second light-emitting element is connected to the second annular top cover and is located between the second annular top cover and the second diffuser plate; the end face of the second diffuser plate away from the second light-emitting element is the second light-emitting surface.
8. The multi-angle annular combined light source according to claim 1, characterized in that, It also includes a camera detection module; the camera detection module is disposed at the opening and located above the polarizing plate; the detection end of the camera detection module is oriented downwards.
9. The multi-angle annular combined light source according to claim 8, characterized in that, It also includes a connector; a connection hole is provided on the inner wall of the opening, and the connection hole extends to the outer side of the mounting base; the camera detection module abuts against the inner side wall of the opening, the connector is detachably inserted through the connection hole, and one end of the connector abuts against the camera detection module.
10. The multi-angle annular combined light source according to claim 8, characterized in that, A limiting groove is provided on the inner wall of the opening, the upper end of the limiting groove extends to the top of the mounting base, and the polarizing plate is disposed on the bottom wall of the limiting groove; the camera detection module abuts against the inner side wall of the limiting groove.