Coaxial multi-angle ring light combined light source and coaxial light source detection device
By introducing an annular light source module into the coaxial light source detection device, annular light is generated to supplement the light of the coaxial light source, and the problems of low brightness of the coaxial light source and uneven detection light are solved, and uniform brightness of the surface of the detection object are achieved and detection accuracy is improved.
Patent Information
- Application Number
- CN202421096998.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing coaxial light source has low brightness, resulting in uneven detection light and affecting the detection effect.
A coaxial multi-angle light combination light source is designed, including a coaxial light source module and a ring light source module. The ring light generated by the ring light source module provides a multi-angle, uniform high-bright light source for the coaxial light generated by the coaxial light source module.
The detection surface is achieved uniform brightness, the detection quality and accuracy are improved, and the detection effect and detection accuracy are optimized based on image acquisition.
Smart Images

Figure CN222600026U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light source detection, in particular to a coaxial multi-angle ring light combined light source and a coaxial light source detection device. Background Art
[0002] At present, more and more manual inspection methods are being replaced by machine vision inspection equipment in the market. Machine vision inspection equipment requires a suitable light source and a good image acquisition method to collect images and highlight the features of the object to facilitate inspection operations.
[0003] Coaxial light sources are commonly used in the industry and are often used to detect smooth surfaces. However, due to limitations in the light source structure, current coaxial light sources generally have the problem of low brightness and cannot ensure that the illumination on the surface of the object to be detected is high and uniform, thus affecting the detection effect. Summary of the invention
[0004] The embodiments of the present application solve the problems of low brightness and uneven detection illumination of coaxial light sources in the prior art, and provide a coaxial multi-angle ring light combination light source and a coaxial light source detection device, which can provide high-brightness and uniform detection light, thereby optimizing the detection effect and detection accuracy based on image acquisition.
[0005] In the first aspect, in order to solve the above-mentioned technical problems, the utility model provides a coaxial multi-angle ring light combination light source and a coaxial light source detection device, which includes: a shell, a coaxial light source module, a ring light source module and a power supply assembly.
[0006] In one embodiment of the present invention, it includes:
[0007] A housing, wherein a first window is provided on one of the side panels of the housing;
[0008] A coaxial light source module, which is packaged in the housing and is used to output coaxial light perpendicular to the detection object;
[0009] A ring light source module, which is connected to the outer wall of the side plate of the housing where the first window is arranged, and is placed on the transmission path of the coaxial light; wherein a light-transmitting window is formed on the ring light source module, and the coaxial light passes through the light-transmitting window to act on the detection object; the ring light source module is used to generate a ring light, and the ring light is used to increase the brightness of the coaxial light;
[0010] A power supply component is used to supply power to the coaxial light source module and the ring light source module, and the coaxial light source module and the ring light source module are each independently powered.
[0011] In one embodiment of the present invention, it includes:
[0012] A cover plate, which is arranged opposite to the side plate where the first window is arranged, and the cover plate is provided with a second window;
[0013] A heat sink is used to install the power supply component.
[0014] In one embodiment of the present invention, it includes:
[0015] The dustproof glass is connected to the inner wall of the shell and is used to close the second window.
[0016] In one embodiment of the present invention, it includes:
[0017] A first LED light board having first LED lights arranged in an array;
[0018] A first diffuser plate, wherein the first LED lamp emits light through the first diffuser plate to output transmitted light;
[0019] The beam splitter is used to change the transmitted light to output the coaxial light.
[0020] In one embodiment of the present invention, the first LED lamp board is tightly mounted to the heat dissipation plate.
[0021] In one embodiment of the present invention, it includes:
[0022] The second LED light board comprises four light board parts spliced to form a ring structure, wherein the center of the four light board parts spliced together forms the light-through window; and the four light board parts are each provided with a second LED lamp;
[0023] An end cover connected to the side plate, wherein a third window is provided on the end cover, and the third window is connected to the light-transmitting window;
[0024] The second diffuser plate, the second LED lamp emits light through the second diffuser plate to output annular light.
[0025] In one embodiment of the present invention, the light panel split is arranged to be inclined relative to the axial direction of the light-transmitting window.
[0026] In one embodiment of the present invention, it includes:
[0027] A first light source line, used to supply power to the ring light source module;
[0028] The second light source line is used to supply power to the coaxial light source module.
[0029] In one embodiment of the present invention,
[0030] The end cover is provided with a first power hole, the first light source line is passed through the first power hole and connected to the first LED light board;
[0031] The heat dissipation plate is provided with a second power supply hole, and the second light source line is passed through the second power supply hole and connected to the second LED light board.
[0032] On the second aspect, in order to solve the above problems, the embodiments of the present utility model further provide a coaxial light source detection device, including the coaxial multi-angle ring light combination light source described in any one of the above embodiments.
[0033] The above technical solution of the utility model has at least the following advantages compared with the prior art:
[0034] The coaxial multi-angle ring light combination light source and coaxial light source detection device described in the utility model include a shell, a coaxial light source module, a ring light source module and a power supply assembly; wherein the coaxial light source module is used to generate coaxial light perpendicular to the detection object; the shell is used to fix and encapsulate the coaxial light source module, and a first window is provided on its side panel for allowing the coaxial light to pass through; the ring light source module is arranged on the transmission path of the coaxial light and is close to the outer wall of the side panel, and the ring light source module can generate ring light for increasing the brightness of the coaxial light; the power supply assembly is used to independently power the coaxial light source module and the ring light source module. The utility model discloses a coaxial multi-angle ring light combination light source and a coaxial light source detection device, which provide a multi-angle, uniform, high-brightness light source for the coaxial light generated by the coaxial light source module through the ring light generated by the ring light source module, so as to supplement the light for the detected object; it solves the problem in the prior art that the brightness of the coaxial light source detected object is too low, thus affecting the detection effect; it achieves the technical effect of making the surface of the detected object reach uniform high brightness, improves the quality and accuracy of the detection, thereby optimizing the detection effect and detection accuracy based on image acquisition, and makes the image detection result meet the standard. BRIEF DESCRIPTION OF THE DRAWINGS
[0035] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments of the utility model in combination with the accompanying drawings.
[0036] Figure 1 This is a schematic diagram of the structure of a coaxial multi-angle ring light combination light source in a preferred embodiment of the utility model;
[0037] Figure 2 for Figure 1 An exploded view of the coaxial multi-angle ring light combination light source after the third side panel is hidden from one viewing angle;
[0038] Figure 3 for Figure 2 An exploded view of the coaxial multi-angle ring light combination light source from another perspective;
[0039] Figure 4It is a schematic structural diagram of a coaxial light source detection device in the second embodiment of the utility model.
[0040] Description of the reference numerals in the specification: 1000, housing; 100, side panel; 101, first window; 110, cover plate; 111, second window; 112, dustproof glass; 120, heat sink; 130, first side panel; 140, second side panel; 2000, coaxial light source module; 200, first LED light board; 201, first LED light; 202, first PCB board; 210, first diffuser; 220, beam splitter ; 3000, ring light source module; 300, second LED light board; 301, second LED light; 302, second PCB board; 303, light-through window; 310, end cover; 311, third window; 320, second diffuser; 4000, power supply assembly; 400, first light source line; 410, second light source line; 5000, detection object; 6000, camera; 7000, coaxial light; 8000, ring light. DETAILED DESCRIPTION
[0041] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.
[0042] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings in the specification and specific trial methods.
[0043] Embodiment 1
[0044] Reference Figure 1-3 As shown, a preferred embodiment of the utility model discloses a coaxial multi-angle ring light combination light source, including a shell 1000, a coaxial light source module 2000, a ring light source module 3000 and a power supply assembly 4000. The above devices constitute a coaxial multi-angle ring light combination light source for detecting objects.
[0045] Specifically, the coaxial light source module 2000 is used to generate coaxial light perpendicular to the detection object; the housing 1000 is used to fix and encapsulate the coaxial light source module 2000, and the side panel 100 thereof has a first window 101 through which the coaxial light can pass; the ring light source module 3000 is arranged on the transmission path of the coaxial light and is close to the outer wall of the side panel 100, and the ring light source module 3000 can generate ring light to increase the brightness of the coaxial light; the power supply assembly 4000 is used to independently power the coaxial light source module 2000 and the ring light source module 3000. The coaxial multi-angle ring light combination light source of the utility model provides a multi-angle, uniform, high-brightness light source for the coaxial light generated by the coaxial light source module 2000 through the ring light generated by the ring light source module 3000, so as to supplement the detection object.
[0046] The coaxial multi-angle ring light combination light source of the utility model provides a multi-angle, uniform, high-brightness light source for the coaxial light generated by the coaxial light source module 2000 through the ring light generated by the ring light light source module 3000, thereby supplementing the light for the detected object; it solves the problem in the prior art that the brightness of the coaxial light source detected object is too low, thus affecting the detection effect; it achieves the technical effect of making the surface of the detected object reach uniform high brightness, improves the quality and accuracy of the detection, thereby optimizing the detection effect and detection accuracy based on image acquisition, and makes the image detection result meet the standard.
[0047] Specifically, the shell 1000 has a side panel 100, and a first window 101 is provided on the side panel 100; a cover panel 110 is arranged on the opposite side of the side panel 100; a heat sink 120, and the side panel 100 and the cover panel 110 are respectively fixed to two sides of the heat sink 120 by screws; a first side panel 130 is arranged on the opposite side of the heat sink 120, and the side panel 100 and the cover panel 110 are respectively fixed to two sides of the first side panel 130 by screws; a second side panel 140, and the side panel 100, the cover panel 110, the heat sink 120 and the first side panel 130 are respectively fixed to four sides of the second side panel 140 by screws; the shell 1000 is used to encapsulate the coaxial light source module inside, so that its structure is more streamlined and the space occupancy rate is reduced, and the shell components are assembled by screws, so that the shell is more solid.
[0048] Furthermore, the cover plate 110 is provided with a second window 111 , and a dustproof glass 112 is embedded in the second window 111 ; the dustproof glass 112 is used to prevent dust from entering the interior of the housing, thereby ensuring the quality of the coaxial light source detection.
[0049] Specifically, the coaxial light source module 2000 has a first LED light board 200, which is formed by bonding first LED lamps 201 arranged in an array and a first PCB board 202; a first diffuser 210 is arranged on the light-emitting surface of the first LED light board 200, and the light emitted by the first LED lamp 201 is transmitted through the first diffuser 210 to output transmitted light; the beam splitter 220 is obliquely fixed on the second side panel 140, and is used to refract the transmitted light and turn it into coaxial light perpendicular to the detection object, so as to achieve the effect of detecting the object with a coaxial light source, and the coaxial light is irradiated perpendicularly to the detection object.
[0050] Furthermore, the first LED lamp board 200 is closely attached to the heat dissipation plate 120 , and heat dissipation treatment is performed on the first LED lamp board, thereby improving the use effect of the coaxial multi-angle ring light combination light source and extending the service life of the first LED lamp board 200 .
[0051] Specifically, the ring light source module 3000 has a second LED lamp board 300, which includes four second PCB boards 302 splits spliced to form a ring structure, and the center of the four second PCB boards 302 splits after splicing forms a light-transmitting window 303; the four lamp board splits are each provided with a second LED lamp 301, and the second LED lamp 301 is respectively inclined along the axial direction of the light-transmitting window 303; a third window 311 is provided on the end cover 310, and the third window 311 is connected to the light-transmitting window 303; and the end cover 310 is connected to the side panel 100 by screw locking, and the third window 311 is corresponding to the first window 101, and is used to connect the optical path of the coaxial light; the second diffuser plate 320 is connected to the outer wall of the end cover 310 by screw locking, and is used to transmit the light emitted by the second LED lamp 301 into a ring light. The ring light source module 3000 provides supplementary light for the detected object through the high-brightness, multi-angle ring light generated by the tilted second LED lamp 301 and the second diffuser plate 320, thereby solving the problems of low brightness and uneven lighting in coaxial light source detection and improving the quality and accuracy of coaxial light source detection.
[0052] Specifically, the power supply assembly 4000 includes a first light source line 400 and a second light source line 410; the first light source line 400 is passed through the power through hole of the heat sink 120 to supply power to the first LED light board 200, and the operating current is 0.155A; the second light source line 410 is passed through the power through hole of the end cover 310 to supply power to the second LED light board 300, and the operating current is 0.098A; the first light source line 400 and the second light source line 410 independently supply power to the first LED light board 200 and the second LED light board 300, respectively, thereby ensuring the quality and accuracy of the detection and ensuring that the light intensity meets the detection standards.
[0053] When the coaxial multi-angle ring light combination light source of the utility model detects the detection object, the specific process is: the first light source line 400 supplies power to the first LED lamp 201 to make it emit light; the light emitted by the first LED lamp 201 is transmitted through the first diffuser 210 to output transmitted light; the beam splitter 220 refracts the transmitted light to make it become coaxial light perpendicular to the detection object, and passes through the light-transmitting window 303 to irradiate the coaxial light onto the detection object; the second light source line 410 supplies power to the second LED lamp 301 to make it emit light; the light emitted by the second LED lamp 301 is transmitted through the second diffuser 320 and converted into ring light, and the ring light is irradiated to the detection object at multiple angles, thereby improving the brightness of the coaxial light detection.
[0054] The technical solutions in the above embodiments of the present application have at least the following technical effects or advantages:
[0055] The coaxial multi-angle ring light combination light source described in the utility model includes a shell 1000, a coaxial light source module 2000, a ring light source module 3000 and a power supply assembly 4000; wherein the coaxial light source module 2000 is used to generate coaxial light perpendicular to the detection object; the shell 1000 is used to fix and encapsulate the coaxial light source module, and a first window 101 is provided on the side panel 100 thereof for allowing the coaxial light to pass through; the ring light source module 3000 is arranged on the transmission path of the coaxial light and is close to the outer wall of the side panel 100, and the ring light source module 3000 can generate ring light for increasing the brightness of the coaxial light; the power supply assembly 4000 is used to independently power the coaxial light source module 2000 and the ring light source module 3000. The coaxial multi-angle ring light combination light source of the utility model generates a ring light through the ring light source module 3000, which provides a multi-angle, uniform, high-brightness light source for the coaxial light generated by the coaxial light source module 2000, thereby supplementing the detection object; solves the problem in the prior art that the brightness of the coaxial light source detection object is too low, thereby affecting the detection effect; achieves the technical effect of making the surface of the detection object reach uniform high brightness, improves the quality and accuracy of the detection, thereby optimizing the detection effect and detection accuracy based on image acquisition, and makes the image detection result meet the standard.
[0056] Embodiment 2
[0057] refer to Figure 4 As shown, the utility model also discloses a coaxial light source detection device, including a camera 6000 and the coaxial multi-angle ring light combination light source, wherein the camera 6000 is placed behind dust-proof glass; and the detection object 5000 is placed within the irradiation range of the coaxial light 7000 and the ring light 8000.
[0058] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.
Claims
1. A coaxial multi-angle ring light combination light source, characterized in that: include: A housing, wherein a first window is provided on one of the side panels of the housing; A coaxial light source module, which is packaged in the housing and is used to output coaxial light perpendicular to the detection object; A ring light source module, which is connected to the outer wall of the side plate of the housing where the first window is arranged, and is placed on the transmission path of the coaxial light; wherein the ring light source module is formed with a light-transmitting window, and the coaxial light passes through the light-transmitting window to act on the detection object; the ring light source module is used to generate a ring light, and the ring light is used to increase the brightness of the coaxial light; A power supply component is used to supply power to the coaxial light source module and the ring light source module, and the coaxial light source module and the ring light source module are each independently powered.
2. The coaxial multi-angle ring light combination light source according to claim 1, characterized in that: The housing comprises: A cover plate, which is arranged opposite to the side plate where the first window is arranged, and the cover plate is provided with a second window; A heat sink is used to install the power supply component.
3. The coaxial multi-angle ring light combination light source according to claim 2, characterized in that: The housing comprises: The dustproof glass is connected to the inner wall of the shell and is used to close the second window.
4. The coaxial multi-angle ring light combination light source according to claim 2, characterized in that: The coaxial light source module comprises: A first LED light board having first LED lights arranged in an array; A first diffuser plate, wherein the first LED lamp emits light through the first diffuser plate to output transmitted light; The beam splitter is used to change the transmitted light to output the coaxial light.
5. The coaxial multi-angle ring light combination light source according to claim 4, characterized in that: The first LED lamp board is tightly mounted to the heat dissipation plate.
6. The coaxial multi-angle ring light combination light source according to claim 4, characterized in that: The ring light source module comprises: The second LED light board comprises four light board parts spliced to form a ring structure, wherein the center of the four light board parts spliced together forms the light-through window; and the four light board parts are each provided with a second LED lamp; An end cover connected to the side plate, wherein a third window is provided on the end cover, and the third window is connected to the light-transmitting window; The second diffuser plate, the second LED lamp emits light through the second diffuser plate to output annular light.
7. The coaxial multi-angle ring light combination light source according to claim 6, characterized in that: The light panel split is arranged to be inclined relative to the axial direction of the light-transmitting window.
8. The coaxial multi-angle ring light combination light source according to claim 6, characterized in that: The power supply assembly comprises: A first light source line, used to supply power to the ring light source module; The second light source line is used to supply power to the coaxial light source module.
9. The coaxial multi-angle ring light combination light source according to claim 8, characterized in that: The end cover is provided with a first power hole, the first light source line is passed through the first power hole and connected to the first LED light board; The heat dissipation plate is provided with a second power supply hole, and the second light source line is passed through the second power supply hole and connected to the second LED light board.
10. A coaxial light source detection device, comprising a camera, characterized in that: It also includes the coaxial multi-angle ring light combination light source as described in any one of claims 1-9.