CN220488993U

CN220488993U - Coaxial light source suitable for concave-convex detection of mirror surface object

Info

Publication number: CN220488993U
Application number: CN202321902690.0U
Authority: CN
Inventors: 邓俊广; 陈炜壁; 张亚飞; 陈锦锋; 邓俊涛; 席娓
Original assignee: Dongguan Cogstek Automation Technology Co ltd
Current assignee: Dongguan Cogstek Automation Technology Co ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-02-13
Anticipated expiration: 2033-07-19

Abstract

The utility model discloses a coaxial light source suitable for concave-convex detection of a mirror object, which relates to the field of light sources and comprises a mounting shell, an LED circuit board, a diffusion plate and a spectroscope, wherein the LED circuit board, the diffusion plate and the spectroscope are arranged in the mounting shell and are coaxially arranged.

Description

Coaxial light source suitable for concave-convex detection of mirror surface object

Technical Field

The utility model relates to the technical field of light sources, in particular to a coaxial light source suitable for detecting concave-convex of a mirror surface object.

Background

In order to detect minute defects such as protrusions and depressions on the mirror surface. The common plane coaxial light source of vision trade area array detection cooperates stripe silk screen acrylic board or photoetching stripe glass to detect the unsmooth point of mirror surface object, but adopts the coaxial light source of plane to detect the time spent, is inconvenient to adopt the camera to shoot formation of image, moreover, places the diffusion plate department with silk screen stripe acrylic board, and the distance from the lamp plate heat source is too near, and the high temperature that the light source during operation produced easily causes the silk screen layer to drop, easily influences the detection effect.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides a coaxial light source suitable for detecting the concave-convex of a mirror object, which can prevent heat generated by the light source from affecting a silk-screen strip pattern plate and prolong the service life of the silk-screen strip pattern plate.

In order to achieve the above purpose, the utility model provides a coaxial light source suitable for concave-convex detection of a mirror object, which comprises a mounting shell, an LED circuit board, a diffusion plate and a spectroscope, wherein the LED circuit board, the diffusion plate and the spectroscope are arranged in the mounting shell and are coaxially arranged.

In the technical scheme, the silk-screen stripe board is an acrylic board.

In the technical scheme, the antireflection film is plated on the surface of the lens.

In the above technical scheme, the installation shell comprises two side plates which are arranged in parallel, an outlet plate arranged at one end of the two side plates, an installation plate arranged at the other end of the two side plates, a cover plate arranged at the top of the two side plates, and an end plate which is arranged at the bottom of the two side plates and fixedly connected with the outlet plate; the imaging port is arranged on the cover plate, a light outlet is formed among the end plate, the two side plates and the mounting plate, and the LED circuit board is fixed on the outlet plate.

In the technical scheme, the 45-degree chute for fixing the spectroscope is arranged on the inner side surfaces of the two side plates, so that the spectroscope is convenient to install.

In the technical scheme, the bottom of the mounting plate and the inner side surface of the cover plate are provided with the fixing grooves for fixing the spectroscope, so that the spectroscope can be conveniently mounted.

In the technical scheme, the side surface of the end plate, the bottom of the mounting plate and the inner side surfaces of the two side plates are respectively provided with the mounting grooves for fixing the silk-screen strip pattern plate, so that the silk-screen strip pattern plate can be conveniently mounted.

In the technical scheme, the LED lamp further comprises a cable electrically connected with the LED circuit board, a connector is arranged at the tail end of the cable, and a wire outlet hole which is matched with the appearance of the cable is formed in the wire outlet board.

In the technical scheme, the diffusion plate is made of the white acrylic plate, and the light-emitting surface of the diffusion plate is provided with the fine grain surface structure or the frosted structure, so that the uniformity of light is improved.

Among the above-mentioned technical scheme, still including being located silk screen printing stripe board one side and to silk screen printing stripe board radiating air cooling structure or water-cooling structure, be convenient for dispel the heat to silk screen printing stripe board.

Compared with the prior art, the utility model has the beneficial effects that:

according to the technical scheme, the silk-screen strip-shaped plate is arranged on the light outlet of the coaxial light source, so that the convex or concave defect on the mirror surface object can be detected, the heat generated by the light source can be prevented from affecting the silk-screen strip-shaped plate, the service life of the silk-screen strip-shaped plate is prolonged, in addition, the heat of the silk-screen strip-shaped plate can be dissipated through an external design air cooling structure or a water cooling structure, and the service life of the technical scheme is further prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a coaxial light source suitable for detecting the concave-convex of a mirror object;

FIG. 2 is a schematic view of a coaxial light source suitable for detecting the concave-convex of a mirror object at another angle;

FIG. 3 is a front view of a coaxial light source suitable for specular object asperity detection provided by the present utility model;

FIG. 4 is a cross-sectional view at A-A in FIG. 3;

fig. 5 is an exploded view of a coaxial light source suitable for specular object asperity detection provided by the present utility model.

The reference numerals of the drawings are: 1. a mounting shell; 11. a light outlet; 12. an imaging port; 13. a side plate; 131. a chute; 14. a wire outlet plate; 141. a wire outlet hole; 15. a mounting plate; 16. a cover plate; 17. an end plate; 171. a mounting groove; 2. an LED circuit board; 3. a diffusion plate; 4. a beam splitter; 5. silk-screen printing stripe board; 6. a lens is added; 71. a cable; 72. and (3) a joint.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the 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.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 5, the present embodiment provides a coaxial light source suitable for concave-convex detection of a mirror object, which includes a mounting housing 1, an LED circuit board 2, a diffusion plate 3, a spectroscope 4, a silk-screened stripe board 5, and a lens 6.

The installation housing 1 comprises two side plates 13, an outlet plate 14, an installation plate 15, a cover plate 16 and an end plate 17. The two side plates 13 are arranged in parallel, the outlet plate 14 is arranged at one end of the two side plates 13, the mounting plate 15 is arranged at the other end of the two side plates 13, the cover plate 16 is arranged at the top of the two side plates 13, and the end plate 17 is arranged at the bottom of the two side plates 13 and fixedly connected with the outlet plate 14. The cover plate 16 is provided with an imaging port 12, the length of the end plate 17 is smaller than that of the side plate 13, when the cover plate 16 is mounted on the side plate 13, a light outlet 11 is formed among the end plate 17, the two side plates 13 and the mounting plate 15, after the mounting is finished, the two side plates 13, the light outlet 14, the mounting plate 15, the cover plate 16 and the end plate 17 are assembled to form a rectangular-structure mounting shell 1, and the imaging port 12 and the light outlet 11 are respectively located on two sides of the mounting shell 1 and are matched in position.

The LED circuit board 2, the diffusion plate 3 and the spectroscope 4 are coaxially arranged in the installation shell 1 in sequence, and as a preferential mode, 45-degree inclined grooves 131 for fixing the spectroscope 4 are formed in the inner side faces of the two side plates 13, so that the spectroscope 4 is convenient to install, and the spectroscope 4 is also convenient to incline by 45 degrees. The bottom of mounting panel 15 and the medial surface of apron 16 are provided with the fixed slot that is used for fixed spectroscope 4, further improve the steadiness of spectroscope 4 installation. The bottom of the mounting plate 15 on the side surface of the end plate 17 and the inner side surfaces of the two side plates 13 are respectively provided with a mounting groove 171 for fixing the silk-screen strip plate 5, so that the silk-screen strip plate 5 is convenient to mount. The LED circuit board 2 is fixed on the wire outlet board 14, the technical scheme further comprises a cable 71 electrically connected with the LED circuit board 2, a connector 72 is arranged at the tail end of the cable 71, a wire outlet hole 141 adapting to the appearance of the cable 71 is formed in the wire outlet board 14, the LED circuit board 2 in the technical scheme is electrically connected with the outside through the connector 72, the diffusion plate 3 is arranged in the light outlet direction of the LED circuit board 2, a white acrylic plate is preferably adopted for manufacturing, a fine grain surface structure or a frosted structure is arranged on the light outlet surface of the white acrylic plate, and the uniformity of light is improved. In addition, the beam splitter 4 is located between the imaging port 12 and the light outlet 11, that is, the light outlet 11 is located at one side of the beam splitter 4, and the imaging port 12 is located at the other side of the beam splitter 4. The silk screen stripe board 5 is arranged on the light outlet 11, wherein the silk screen stripe board 5 is preferably an acrylic board. The lens-increasing lens 6 is mounted on the imaging port 12. The surface of the lens-increasing 6 is plated with an antireflection film, and the lens-increasing 6 can enable light rays to penetrate as much as possible and plays a role in dust prevention.

Specifically, in use, the object to be detected is placed at the light outlet 11, and the detection camera is mounted at the imaging port 12. According to the utility model, the silk-screen stripe board 5 is arranged on the light outlet 11 of the light source, so that light emitted by the LED circuit board 2 can be changed into stripe light after passing through the silk-screen stripe board 5, the stripe light irradiates on the mirror surface, the concave-convex part of the mirror surface object is enabled to be in a curve mode through the interference principle of the light, and the accuracy of mirror surface defect detection is improved. In addition, this technical scheme sets up silk screen printing stripe board 5 on light outlet 11, can change the lamp pearl on the LED circuit board 2 into the lamp pearl of great power, and the produced heat of light source can not influence silk screen printing stripe board 5's life, can also set up forced air cooling structure or water-cooling structure in the outside moreover, is convenient for dispel the heat to silk screen printing stripe board 5, can effectively improve silk screen printing stripe board 5's life to improve the stability that this technical scheme used.

The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.

Claims

1. The utility model provides a coaxial light source suitable for unsmooth detection of mirror surface object, includes installation casing (1), sets up LED circuit board (2), diffusion board (3) and spectroscope (4) in installation casing (1) and coaxial setting, a serial communication port, be provided with on installation casing (1) and be located light outlet (11) of spectroscope (4) one side, be located imaging port (12) of spectroscope (4) opposite side, still including installing silk screen printing stripe board (5) on light outlet (11), install lens (6) on imaging port (12).

2. A coaxial light source suitable for the detection of the relief of a specular object according to claim 1, wherein said silk-screened stripe board (5) is an acrylic board.

3. A coaxial light source suitable for the detection of asperities in a specular object according to claim 1, where the surface of the booster lens (6) is coated with an anti-reflection film.

4. The coaxial light source suitable for detecting the concave-convex of the mirror surface object according to claim 1, wherein the mounting shell (1) comprises two side plates (13) which are arranged in parallel, an outgoing line plate (14) arranged at one end of the two side plates (13), a mounting plate (15) arranged at the other end of the two side plates (13), a cover plate (16) arranged at the top of the two side plates (13), and an end plate (17) which is arranged at the bottom of the two side plates (13) and fixedly connected with the outgoing line plate (14); the imaging port (12) is arranged on the cover plate (16), a light outlet (11) is formed among the end plate (17), the two side plates (13) and the mounting plate (15), and the LED circuit board (2) is fixed on the light outlet plate (14).

5. A coaxial light source suitable for the detection of the concavity and convexity of a specular object according to claim 4, characterized in that the inner sides of both said side plates (13) are provided with 45 ° chute (131) for fixing the spectroscope (4).

6. The coaxial light source for detecting the concave-convex of the mirror surface object according to claim 4, wherein the bottom of the mounting plate (15) and the inner side surface of the cover plate (16) are provided with fixing grooves for fixing the spectroscope (4).

7. The coaxial light source for detecting the concave-convex of the mirror surface object according to claim 4, wherein the side surface of the end plate (17), the bottom of the mounting plate (15) and the inner side surfaces of the two side plates (13) are provided with mounting grooves (171) for fixing the silk-screen strip pattern plate (5).

8. The coaxial light source suitable for detecting the concave-convex of the mirror surface object according to claim 4, further comprising a cable (71) electrically connected with the LED circuit board (2), wherein a connector (72) is arranged at the tail end of the cable (71), and a wire outlet hole (141) which is adapted to the shape of the cable (71) is arranged on the wire outlet plate (14).

9. The coaxial light source for detecting the concave-convex of the mirror surface object according to claim 1, wherein the diffusion plate (3) is made of a white acrylic plate, and the light-emitting surface of the diffusion plate is provided with a fine grain surface structure or a frosted structure.

10. The coaxial light source for detecting the concave-convex of the mirror surface object according to claim 1, further comprising an air cooling structure or a water cooling structure which is positioned at one side of the silk-screen strip-shaped board (5) and dissipates heat of the silk-screen strip-shaped board (5).