CN220289378U - Concentrating type high-brightness annular light source and machine vision detection device - Google Patents

Abstract

The utility model relates to the technical field of machine vision, and discloses a light-gathering type high-brightness annular light source and a machine vision detection device, wherein the light-gathering type high-brightness annular light source comprises an annular shell, a plurality of spherical lenses and a plurality of luminous components; the spherical lens and the luminous component are arranged in the annular shell and distributed annularly; the spherical lenses are arranged in the light emitting directions of the light emitting components, and one spherical lens corresponds to one light emitting component. According to the utility model, the spherical lenses are arranged in the light emitting direction of the light emitting assembly and are in one-to-one correspondence with the light emitting assembly, and the light emitting assembly is inclined towards the central axis of the annular shell, so that the spherical lenses can collect light rays emitted by the light emitting assembly, and therefore, high-brightness large light spots with high concentration are formed, the brightness of illumination is improved, and the matched camera only needs to use the fixed focus lens.

Description

Concentrating type high-brightness annular light source and machine vision detection device

Technical Field

The utility model relates to the technical field of machine vision, in particular to a light-gathering type high-brightness annular light source and a machine vision detection device.

Background

Along with the development of science and technology, the requirements of people on the precision of products are higher and higher, and the requirements on the quality detection of the products are also put forward.

At present, in the technical field of machine vision, a telecentric lens is required to be used by a conventional camera with a point light source, light spots are small, a focusing device is required to be used if the light spots are to be enlarged, and the height of a part of light sources is increased, but the brightness of the light sources is correspondingly lost more.

Accordingly, improvements in the art are needed.

The above information is presented as background information only to aid in the understanding of the present disclosure and is not intended or admitted to be prior art relative to the present disclosure.

Disclosure of Invention

The utility model provides a condensing type high-brightness annular light source and a machine vision detection device, which are used for solving the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

in a first aspect, the present utility model provides a concentrated high brightness annular light source, comprising an annular housing, a plurality of spherical lenses, and a plurality of light emitting assemblies; wherein,

the spherical lens and the light-emitting component are arranged in the annular shell and are distributed annularly;

the spherical lenses are arranged in the light emitting directions of the light emitting assemblies, and one spherical lens corresponds to one light emitting assembly;

the light emitting direction of the light emitting component is inclined towards the central axis of the annular shell.

Further, the light-gathering type highlight annular light source further comprises an annular bracket;

the annular support is arranged in the annular shell and positioned in the light emitting directions of the light emitting assemblies;

and a plurality of spherical lenses are arranged on the annular support.

Further, in the light-gathering type high-brightness annular light source, a plurality of mounting holes are formed in the annular support;

the mounting holes are annularly distributed.

Further, the light-gathering type highlight annular light source further comprises a plurality of fixing blocks;

a plurality of fixed blocks are arranged in the annular shell;

one of the fixed blocks is provided with one of the light emitting components.

Further, in the condensed type highlight annular light source, the fixing block is inclined toward the central axis of the annular housing.

Further, in the concentrated high-brightness annular light source, the light-emitting component comprises a PCB and lamp beads;

one lamp bead is arranged on one PCB.

Further, the light-gathering type highlight annular light source further comprises a light source line;

the light source wires penetrate through the annular shell and are respectively connected with the light-emitting assemblies.

Further, in the concentrated high-brightness annular light source, the annular shell comprises an annular cover plate and an annular base;

an annular groove is formed in the annular base;

the spherical lens and the light emitting component are both arranged in the annular groove.

Further, in the concentrated type high-brightness annular light source, the annular cover plate is fixedly connected with the annular base through bolts.

In a second aspect, the present utility model provides a machine vision inspection device comprising a camera and a concentrated high-brightness annular light source as described in the first aspect above;

the camera is arranged above the light-gathering type high-brightness annular light source.

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

the utility model provides a condensing type high-brightness annular light source and a machine vision detection device, which comprise an annular shell, a plurality of spherical lenses and a plurality of light-emitting components, wherein the spherical lenses are arranged in the light-emitting direction of the light-emitting components and correspond to the light-emitting components one by one, and the light-emitting components are inclined towards the central axis of the annular shell, so that the spherical lenses can collect light rays emitted by the light-emitting components, high-brightness large light spots with high concentration are formed, the brightness of illumination is improved, a matched camera only needs to use a fixed focus lens, and meanwhile, the integral structure is simple and compact, and the stability is good.

Drawings

In order to more clearly illustrate the embodiments of the 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, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a top view illustrating a concentrated high-brightness annular light source according to a first embodiment of the present utility model;

fig. 2 is a schematic perspective view of a concentrated high-brightness annular light source according to a first embodiment of the present utility model;

FIG. 3 is a schematic perspective view of a concentrated high-brightness annular light source according to a first embodiment of the present utility model;

FIG. 4 is a schematic side view of a concentrated high brightness annular light source according to a first embodiment of the present utility model;

FIG. 5 is a schematic side view of a concentrated high brightness annular light source according to a first embodiment of the utility model;

FIG. 6 is an exploded view of a concentrated high brightness annular light source according to a first embodiment of the present utility model;

FIG. 7 is a schematic side view of a machine vision inspection device according to a first embodiment of the present disclosure;

reference numerals:

an annular shell 1, a plurality of spherical lenses 2, a plurality of luminous assemblies 3, an annular bracket 4, a mounting hole 5, a fixed block 6, a light source line 7 and a camera 8;

an annular cover plate 101, an annular base 102 and an annular groove 103;

PCB 301, lamp beads 302.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure. In addition, as one of ordinary skill in the art can appreciate, with technical development and new scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

In the description of the present application, it is to be understood that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless defined otherwise. Furthermore, any terminology used is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

In addition, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements, and circuits have not been described in detail as not to unnecessarily obscure the present application.

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

Example 1

In view of the above-mentioned drawbacks of the prior art, the applicant has actively studied and innovated based on the practical experience and expertise for many years in designing and manufacturing such products, and in combination with the application of the theory, to hope to create a technology capable of solving the drawbacks of the prior art, so that the light source technology has more practicability. After continuous research and design and repeated sample test and improvement, the utility model with practical value is finally created.

Referring to fig. 1-6, an embodiment of the present utility model provides a condensing type high brightness annular light source, which includes an annular housing 1, a plurality of spherical lenses 2 and a plurality of light emitting components 3; wherein,

the spherical lens 2 and the light-emitting component 3 are both arranged in the annular shell 1 and are distributed annularly;

the spherical lenses 2 are arranged in the light emitting directions of the light emitting assemblies 3, and one spherical lens 2 corresponds to one light emitting assembly 3;

the light emitting direction of the light emitting assembly 3 is inclined toward the central axis of the annular housing 1.

It should be noted that, in order to form the high-brightness large light spot with the aggregation property, the present embodiment adopts the design of the annular light source first, then inclines each light emitting component 3 towards the central axis of the annular housing 1, so that the light emitting direction of each light emitting component 3 inclines towards the central axis of the annular housing 1, thus the light emitted by each light emitting component 3 is aggregated at the central axis of the annular housing 1, and then a spherical lens 2 is correspondingly arranged in the light emitting direction of each light emitting component 3, so that the light emitted by the light emitting component 3 can be dispersed to a larger range after passing through the spherical lens 2, and finally the high-brightness large light spot with the aggregation property is formed.

On the basis of the condensing type high-brightness annular light source provided by the embodiment, when machine vision detection is carried out, the matched camera only needs to use the fixed focus lens, a telecentric lens is not needed any more, and the working distance and the light spot size can be adjusted by adjusting the distance from the light emitting component 3 to the spherical lens 2, so that the machine vision detection device is convenient to use.

Referring again to fig. 3, 5 and 6, in this embodiment, the concentrated highlight annular light source further comprises an annular bracket 4;

the annular support 4 is arranged in the annular shell 1 and positioned in the light emitting directions of the light emitting assemblies 3;

a plurality of the ball lenses 2 are arranged on the annular support 4.

Optionally, a plurality of mounting holes 5 are formed in the annular bracket 4;

the mounting holes 5 are annularly distributed.

It should be noted that the aperture of the mounting hole 5 is smaller than the spherical diameter of the spherical lens 2, which allows each of the spherical lenses 2 to be embedded in the corresponding mounting hole 5. Because the spherical lens 2 is clamped between the annular support 4 and the annular shell 1 and is limited and fixed by the two parts, welding and fixing are not needed, the welding procedure is omitted, the disassembly and the replacement are convenient, and the operation is simpler.

Referring to fig. 3, 5 and 6 again, in this embodiment, the concentrating type highlight annular light source further includes a plurality of fixing blocks 6;

a plurality of fixed blocks 6 are arranged in the annular shell 1;

one of the fixing blocks 6 is provided with one of the light emitting assemblies 3.

Optionally, the fixed block 6 is inclined towards the central axis of the annular housing 1.

It should be noted that, the included angle formed by the fixing block 6 and the central axis of the annular housing 1 may be any angle ranging from 0 ° to 90 °, so long as the angle is an acute angle, and may be specifically determined according to actual needs.

Referring to fig. 5 again, in the present embodiment, the light emitting assembly 3 includes a PCB 301 and a lamp bead 302;

one of the lamp beads 302 is disposed on one of the PCB boards 301.

It is understood that the beads 302 may be single color beads or multi-color beads.

Specifically, if there are different lighting requirements, the multi-color lamp beads can be selected, and the lighting colors of the multi-color lamp beads can be selected according to the specific lighting requirements.

Referring to fig. 1-6 again, in this embodiment, the concentrated highlight ring light source further includes a light source line 7;

the light source wires 7 pass through the annular shell 1 and are respectively connected with a plurality of the light emitting assemblies 3.

It should be noted that, the annular housing 1 is provided with a light source wire mounting hole, and one end of the light source wire 7 is inserted through the light source wire mounting hole and is electrically connected with the PCB board in each light emitting component 3.

Referring again to fig. 1-6, in this embodiment, the annular housing 1 includes an annular cover plate 101 and an annular base 102;

an annular groove 103 is formed in the annular base 102;

the ball lens 2 and the light emitting assembly 3 are both disposed within the annular groove 103.

In order to increase the heat dissipation capacity, the contact surface of the light-emitting component 3 with the groove bottom of the annular groove 103 may be coated with a heat-conducting silicone grease.

Optionally, the annular cover plate 101 is fixedly connected with the annular base 102 through bolts.

It should be noted that, the detachable design between the annular cover plate 101 and the annular base 102 can facilitate the replacement of the light emitting assembly 3 or the ball lens 2.

Although the terms annular housing, ball lens, light emitting assembly, etc. are used more in this application, the possibility of using other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

The utility model provides a condensing type high-brightness annular light source, which comprises an annular shell, a plurality of spherical lenses and a plurality of luminous components, wherein the spherical lenses are arranged in the light emitting direction of the luminous components and are in one-to-one correspondence with the luminous components, and the luminous components are inclined towards the central axis of the annular shell, so that the spherical lenses can collect light rays emitted by the luminous components, high-brightness large light spots with the concentration property are formed, the brightness of illumination is improved, and a matched camera only needs to use a fixed-focus lens.

Example two

Referring to fig. 7, an embodiment of the present utility model provides a machine vision inspection device, which includes a camera 8 and a light-gathering type highlight annular light source as described in the first embodiment;

the camera 8 is arranged above the concentrated high-brightness annular light source.

The camera 8 is specifically a camera with a fixed-focus lens. The central hollow of the light-gathering type highlight annular light source is an image capturing window of the camera 8.

The machine vision detection device comprises the annular shell, the spherical lenses and the light-emitting assemblies, wherein the spherical lenses are arranged in the light-emitting direction of the light-emitting assemblies and correspond to the light-emitting assemblies one by one, and the light-emitting assemblies are inclined towards the central axis of the annular shell, so that the spherical lenses can collect light rays emitted by the light-emitting assemblies, high-brightness large light spots with aggregation property are formed, the brightness of illumination is improved, the matched cameras only need to use fixed focus lenses, and meanwhile, the machine vision detection device is simple and compact in overall structure and good in stability.

In view of the foregoing, it will be evident to a person skilled in the art that the foregoing detailed disclosure may be presented by way of example only and may not be limiting. Although not explicitly described herein, those skilled in the art will appreciate that the present application is intended to embrace a variety of reasonable alterations, improvements and modifications to the embodiments. Such alterations, improvements, and modifications are intended to be proposed by this application, and are intended to be within the spirit and scope of the exemplary embodiments of this application.

Furthermore, certain terms in the present application have been used to describe embodiments of the present application. For example, "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. Thus, it is emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various portions of this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined as suitable in one or more embodiments of the application.

It should be appreciated that in the foregoing description of embodiments of the present application, various features are grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the application. However, this is not to say that a combination of these features is necessary, and it is entirely possible for a person skilled in the art to extract some of them as separate embodiments to understand them at the time of reading this application. That is, embodiments in this application may also be understood as an integration of multiple secondary embodiments. While each secondary embodiment is satisfied by less than all of the features of a single foregoing disclosed embodiment.

Each patent, patent application, publication of patent application, and other materials, such as articles, books, specifications, publications, documents, articles, etc., cited herein are hereby incorporated by reference. The entire contents for all purposes, except for any prosecution file history associated therewith, may be any identical prosecution file history inconsistent or conflicting with this file, or any identical prosecution file history which may have a limiting influence on the broadest scope of the claims. Now or later in association with this document. For example, if there is any inconsistency or conflict between the description, definition, and/or use of terms associated with any of the incorporated materials, the terms in the present document shall prevail.

Finally, it is to be understood that the embodiments of the application disclosed herein are illustrative of the principles of the embodiments of the present application. Other modified embodiments are also within the scope of the present application. Accordingly, the embodiments disclosed herein are by way of example only and not limitation. Those skilled in the art can adopt alternative configurations to implement the applications herein according to embodiments herein. Accordingly, embodiments of the present application are not limited to the embodiments precisely described in the application.

Claims (10)

1. The condensing type high-brightness annular light source is characterized by comprising an annular shell (1), a plurality of spherical lenses (2) and a plurality of luminous components (3); wherein,

the spherical lens (2) and the light-emitting component (3) are arranged in the annular shell (1) and are annularly distributed;

the spherical lenses (2) are arranged in the light emitting directions of the light emitting assemblies (3), and one spherical lens (2) corresponds to one light emitting assembly (3);

the light emitting direction of the light emitting component (3) is inclined towards the central axis of the annular shell (1).

2. A concentrated-highlight annular light source as claimed in claim 1, further comprising an annular support (4);

the annular support (4) is arranged in the annular shell (1) and positioned in the light emitting directions of the light emitting assemblies (3);

the spherical lenses (2) are arranged on the annular support (4).

3. The concentrating highlight annular light source according to claim 2, wherein the annular bracket (4) is provided with a plurality of mounting holes (5);

the mounting holes (5) are annularly distributed.

4. A concentrated-type highlight annular light source according to claim 1, further comprising a number of fixing blocks (6);

a plurality of fixed blocks (6) are arranged in the annular shell (1);

one of the fixed blocks (6) is provided with one of the light emitting components (3).

5. A concentrated high brightness annular light source according to claim 4, characterized in that the fixed block (6) is inclined towards the central axis of the annular housing (1).

6. The concentrated-type highlight annular light source according to claim 1, wherein the light emitting assembly (3) comprises a PCB board (301) and a lamp bead (302);

one of the lamp beads (302) is arranged on one of the PCB boards (301).

7. A concentrated-type highlight annular light source according to claim 1, further comprising a light source line (7);

the light source wires (7) penetrate through the annular shell (1) and are respectively connected with the light emitting assemblies (3).

8. The concentrated-highlight annular light source according to claim 1, wherein the annular housing (1) comprises an annular cover plate (101) and an annular base (102);

an annular groove (103) is formed in the annular base (102);

the spherical lens (2) and the light-emitting component (3) are both arranged in the annular groove (103).

9. The concentrated-type highlight annular light source according to claim 8, wherein the annular cover plate (101) is fixedly connected with the annular base (102) through bolts.

10. A machine vision inspection device comprising a camera (8) and a concentrated high-brightness annular light source according to any one of claims 1-9;

the camera (8) is arranged above the condensing type high-brightness annular light source.