CN220135257U

CN220135257U - Light source device for omnibearing detection

Info

Publication number: CN220135257U
Application number: CN202321289388.2U
Authority: CN
Inventors: 张子浩
Original assignee: Guangdong OPT Machine Vision Co Ltd
Current assignee: Guangdong OPT Machine Vision Co Ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-12-05
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a light source device for omnibearing detection, which comprises a shell component, wherein a light path cavity is arranged in the shell component, and a light source component is arranged at a first end of the light path cavity; the second end of the light path cavity is provided with a detection station for placing a workpiece, a plurality of reflecting prisms are arranged around the detection station, and the reflecting prisms are used for reflecting light rays emitted by the light source assembly to the detection station. When the light source device works, light rays emitted by the light source assembly irradiate the reflecting prism along the length direction of the light path cavity, and the reflecting prism reflects the light rays to the detection station; the plurality of reflecting prisms are arranged around the detection station, so that annular irradiation light can be formed to act on the surface of the workpiece, and an annular detection light source is formed; compared with the light source equipment in the prior art, the light source device can change the light path propagation direction through the arrangement of the reflecting prism to form an annular irradiation light source, has a simple integral structure, does not need a complex light source plate structure, and is beneficial to reducing cost.

Description

Light source device for omnibearing detection

Technical Field

The utility model relates to the technical field of light sources, in particular to a light source device for omnibearing detection.

Background

Currently, machine vision has been widely used in the detection of various types of defects. Aiming at defect detection on the surface of a mirror arc-shaped object, a common annular light source cannot highlight defects such as surface scratches, pits and the like, and a hole cannot be formed in the middle of the annular light source to provide a view for a camera; therefore, the annular light source is usually modified, and a plurality of lamp beads are arranged on the annular light source plate to form an annular irradiation light source, so that the annular light source plate has the defects of complex structure, high cost, large occupied volume and certain use limitation.

In view of this, there is a need for an improvement in the light source apparatus in the prior art to solve the technical problem of higher cost of the annular light source plate apparatus.

Disclosure of Invention

The utility model aims to provide a light source device for omnibearing detection, which solves the technical problems.

To achieve the purpose, the utility model adopts the following technical scheme:

the light source device for omnibearing detection comprises a shell component, wherein a light path cavity is arranged in the shell component, and a light source component is arranged at a first end of the light path cavity;

the second end of the light path cavity is provided with a detection station for placing a workpiece, a plurality of reflecting prisms are arranged around the detection station, and the reflecting prisms are used for reflecting light rays emitted by the light source assembly to the detection station.

Optionally, a window is formed on a side wall of the housing assembly, and the window is communicated with the light path cavity;

and a camera component is arranged at the position of the window part, and is used for taking an image of the detection station.

Optionally, a beam splitter component is disposed at a position corresponding to the window in the optical path cavity, and light emitted by the light source component irradiates an end face of the beam splitter component, so as to form a first optical path facing the reflecting prism and a second optical path facing the camera component.

Optionally, a first mounting block is disposed at a preset position in the optical path cavity, and one end of the beam splitter component is abutted to the first mounting block.

Optionally, the number of the reflecting prisms is four, and the included angle between two adjacent reflecting prisms and the detection station is 90 degrees.

Optionally, the light source subassembly includes the PCB board, be provided with a plurality of lamp pearl on the terminal surface of PCB board, the lamp pearl orientation detect the station setting.

Optionally, a diffusion plate is disposed at a preset position in the light path cavity, and the diffusion plate is used for diffusing the light emitted by the light source assembly.

Optionally, a mounting plate is disposed at an end of the housing component far away from the light source component, and the reflecting prism is mounted on the mounting plate.

Optionally, a receiving hole is formed in the middle of the mounting plate, and the receiving hole is used for placing a workpiece in the detection station.

Compared with the prior art, the utility model has the following beneficial effects: when the light source device works, light rays emitted by the light source assembly irradiate the reflecting prism along the length direction of the light path cavity, and the reflecting prism reflects the light rays to the detection station; the plurality of reflecting prisms are arranged around the detection station, so that annular irradiation light can be formed to act on the surface of the workpiece, and an annular detection light source is formed; the light source device can change the propagation direction of the light path through the arrangement of the reflecting prism to form an annular irradiation light source, has a simple integral structure, does not need a complex light source plate structure, and is beneficial to reducing the cost.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the utility model, without affecting the effect or achievement of the objective.

FIG. 1 is a schematic view showing an exploded structure of the present light source device;

FIG. 2 is a schematic cross-sectional view of the light source device;

illustration of: the light source module comprises a shell component 1, a light path cavity 2, a light source component 3, a reflecting prism 4, a window part 5, a camera component 6, a spectroscope component 7, a first light path 8, a second light path 9, a first mounting block 10, a PCB 11, lamp beads 12, a diffusion plate 13, a mounting plate 14 and a containing hole 15.

Detailed Description

In order to make the objects, features and advantages of the present utility model more comprehensible, the technical solutions in the embodiments of the present utility model are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. It is noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

The embodiment of the utility model provides a light source device for omnibearing detection, which comprises a shell component 1, wherein a light path cavity 2 is arranged in the shell component 1, and a light source component 3 is arranged at a first end of the light path cavity 2;

the second end of the light path cavity 2 is provided with a detection station 16 for placing a workpiece, a plurality of reflecting prisms 4 are arranged around the detection station 16, and the reflecting prisms 4 are used for reflecting light rays emitted by the light source assembly 3 to the detection station 16.

The working principle of the utility model is as follows: when the light source assembly works, the light emitted by the light source assembly 3 irradiates the reflecting prism 4 along the length direction of the light path cavity 2, and the reflecting prism 4 reflects the light to the detection station 16; since the plurality of reflecting prisms 4 are arranged around the detecting station 16, the annular irradiation light can be formed to act on the surface of the workpiece to form an annular detecting light source; compared with the light source equipment in the prior art, the light source device can change the light path propagation direction through the arrangement of the reflecting prism 4, form an annular irradiation light source to carry out all-round detection on a workpiece, has a simple integral structure, does not need a complex light source plate structure, and is beneficial to reducing cost.

In this embodiment, a window 5 is formed on a side wall of the housing assembly 1, and the window 5 is communicated with the optical path cavity 2; a camera assembly 6 is arranged in relation to the position of the window portion 5, the camera assembly 6 being used for taking an image of the detection station 16. The reflection prism 4 is combined with the light source assembly 3 to supply an annular light source to the workpiece of the detection station 16, the camera assembly 6 images after receiving reflected light rays on the surface of the workpiece, and whether the workpiece is qualified or not is judged by analyzing imaging results, so that detection work is completed.

Further, a beam splitter component 7 is disposed in the optical path cavity 2 at a position corresponding to the window portion 5, and the light emitted by the light source component 3 irradiates an end surface of the beam splitter component 7, so as to form a first optical path 8 facing the reflecting prism 4 and a second optical path 9 facing the camera component 6. Wherein, the spectroscope is inclined by a preset angle, and the preferable inclined angle is 45 degrees, so that the light rays emitted by the light source component 3 can be irradiated to the reflecting prism 4 and the camera component 6 at the same time; meanwhile, reflected light on the surface of the workpiece can be irradiated to the camera through the action of the spectroscope, so that the imaging work of the camera is facilitated.

Specifically, a first mounting block 10 is disposed at a preset position in the optical path cavity 2, one end of the beam splitter component 7 is abutted against the first mounting block 10, and the inclination angle and the mounting position of the beam splitter component 7 are limited by the first mounting block 10.

As a preferable solution of this embodiment, the number of the reflecting prisms 4 is four, and the included angle between two adjacent reflecting prisms 4 and the detecting station 16 is 90 °. The plurality of reflecting prisms 4 are arranged to form annular irradiation light so as to form an annular detection effect on the workpiece. The number of the reflecting prisms 4 is not limited to four, and can be flexibly adjusted according to actual needs.

In this embodiment, the light source assembly 3 includes a PCB 11, a plurality of lamp beads 12 are disposed on an end surface of the PCB 11, and the lamp beads 12 are disposed towards the detection station 16. The plurality of lamp beads 12 emit irradiation light to irradiate the reflecting prism 4 and the surface of the workpiece, so that an omnibearing detection effect on the workpiece is formed.

In this embodiment, a diffusion plate 13 is disposed at a preset position in the light path cavity 2, and the diffusion plate 13 is used for diffusing the light emitted by the light source assembly 3. The diffusion plate 13 achieves the diffusion effect on the light source assembly 3, which is beneficial to forming uniform irradiation light.

In this embodiment, a mounting plate 14 is disposed on the end of the housing assembly 1 away from the light source assembly 3, and the reflecting prism 4 is mounted on the mounting plate 14. Further, a receiving hole 15 is formed in the middle of the mounting plate 14, and the receiving hole 15 is used for placing a workpiece in the detecting station 16. During operation, the workpiece is inserted into the detection station 16 in the optical path cavity 2 through the accommodating hole 15, so as to facilitate the development of detection work.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The light source device for omnibearing detection is characterized by comprising a shell component (1), wherein a light path cavity (2) is arranged in the shell component (1), and a light source component (3) is arranged at a first end of the light path cavity (2);

the second end of the light path cavity (2) is provided with a detection station (16) for placing a workpiece, a plurality of reflecting prisms (4) are arranged around the detection station (16), and the reflecting prisms (4) are used for reflecting light rays emitted by the light source assembly (3) to the detection station (16).

2. The omnibearing detection light source device according to claim 1, wherein a window part (5) is arranged on one side wall of the shell component (1), and the window part (5) is communicated with the light path cavity (2);

a camera assembly (6) is arranged at a position right opposite to the window part (5), and the camera assembly (6) is used for taking an image of the detection station (16).

3. The light source device for omnibearing detection according to claim 2, wherein a beam splitter component (7) is disposed in the light path cavity (2) at a position corresponding to the window portion (5), and the light emitted from the light source component (3) irradiates one end face of the beam splitter component (7) to form a first light path (8) facing the reflecting prism (4) and a second light path (9) facing the camera component (6).

4. A light source device for omnibearing detection according to claim 3, wherein a first mounting block (10) is provided at a preset position in the light path cavity (2), and one end of the spectroscope component (7) is abutted against the first mounting block (10).

5. The light source device for omnibearing detection according to claim 1, wherein the number of the reflecting prisms (4) is four, and the angle between two adjacent reflecting prisms (4) relative to the detection station (16) is 90 °.

6. The light source device for omnibearing detection according to claim 1, wherein the light source assembly (3) comprises a PCB board (11), a plurality of lamp beads (12) are arranged on one end face of the PCB board (11), and the lamp beads (12) are arranged towards the detection station (16).

7. The light source device for omnibearing detection according to claim 1, wherein a diffusion plate (13) is arranged at a preset position in the light path cavity (2), and the diffusion plate (13) is used for diffusing light rays emitted by the light source assembly (3).

8. The omnibearing detection light source device according to claim 1, wherein a mounting plate (14) is arranged at one end of the shell component (1) far away from the light source component (3), and the reflecting prism (4) is mounted on the mounting plate (14).

9. The omnibearing detection light source device according to claim 8, wherein a containing hole (15) is formed in the middle of the mounting plate (14), and the containing hole (15) is used for placing a workpiece in the detection station (16).