CN220397317U

CN220397317U - Annular shadowless LED light source

Info

Publication number: CN220397317U
Application number: CN202321808301.8U
Authority: CN
Inventors: 黄金; 于长甜; 赵磊磊
Original assignee: Guangzhou Zhengli Photoelectronic Co ltd
Current assignee: Guangzhou Zhengli Photoelectronic Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-01-26
Anticipated expiration: 2033-07-10

Abstract

The utility model provides an annular shadowless LED light source which comprises a mounting seat, a diffusion cover and an LED lamp panel, wherein LED lamp beads with annular arrays are arranged on the end faces of the LED lamp panel, the LED lamp beads are fixed inside the mounting seat, the diffusion cover is detachably arranged at an opening of the mounting seat and covers the LED lamp panel, the mounting seat is provided with a connecting groove, a connecting plate is outwards extended from the outer side of the diffusion cover and is matched with the connecting groove, and the diffusion cover is quickly disassembled through the matching of the connecting plate and the connecting groove, so that dust is conveniently removed, the illumination effect is not influenced, and the damaged diffusion cover can be timely replaced.

Description

Annular shadowless LED light source

Technical Field

The utility model mainly relates to the technical field of lighting equipment, in particular to an annular shadowless LED light source.

Background

In a common machine vision system, a common annular light source comprises an aluminum alloy shell and an LED light source assembly arranged on the aluminum alloy shell, wherein the LED light source assembly comprises an annular circuit board and a plurality of LED lamp beads in an annular array, and each LED lamp bead is uniformly arranged on the outer surface of the annular circuit board in a plug-in manner and is electrically connected with the annular circuit board; the LED lamp beads inside the existing annular light source are distributed in a uniform array, so that the LED lamp beads are small in light emitting angle, and a virtual image is easy to generate when detection and illumination are carried out, so that the detection effect is poor.

Current patent application number: 202220553392.4 the utility model solves the problems, when the utility model works, an external driving power supply drives and supplies power to an LED light source module, detection light emitted by an LED light source is diffusely reflected by a diffusion cover, no ghost is generated, a uniform and large-range shadowless illumination light field is formed, and a measured object is uniformly irradiated, so that the imaging definition is higher, and the detection effect is improved; meanwhile, the heat dissipation module and the air perform large-area convection heat dissipation to form a continuous and stable heat dissipation effect.

Aiming at the related technology, the inventor considers that the LED light source is easy to enter dust after long-time use, the illumination effect is affected, and the diffusion cover cannot be quickly assembled and disassembled, so that the LED light source is inconvenient to clean; after the device is damaged in the use process, the device cannot be replaced quickly.

Disclosure of Invention

In order to solve the problems in the background art, the utility model provides an annular shadowless LED light source.

The utility model adopts the following technical scheme: the utility model provides an annular shadowless LED light source, includes mount pad, diffuser and LED lamp plate, the LED lamp plate terminal surface is annular array's LED lamp pearl, and it is fixed inside the mount pad, the diffuser demountable installation is in mount pad opening part, it covers the LED lamp plate, the mount pad is opened there is the spread groove, the diffuser outside outwards extends there is the connecting plate, the connecting plate with the spread groove cooperation.

Preferably, the connecting groove is provided with a positioning groove, the connecting plate is provided with a mounting hole, the mounting hole is provided with a positioning piece, and the positioning piece is matched with the positioning groove.

Preferably, the positioning piece comprises positioning teeth and springs, the springs are installed in the installation holes, the positioning teeth are movably installed in the installation holes, the inner sides of the positioning teeth are connected with the springs, and the positioning teeth extend out of the installation holes to be matched with the positioning grooves.

Preferably, the cross section of the positioning teeth and the positioning grooves is semicircular.

Preferably, the diffusion cover is a concave diffusion cover, and the connecting plates are symmetrically arranged on the outer side of the concave diffusion cover and are in sliding connection with the connecting grooves.

Preferably, the end part of the concave diffusion cover, which is close to the inside of the installation seat, is provided with a reinforcing plate, and the installation seat is provided with a reinforcing groove matched with the reinforcing plate.

Preferably, the local cross section shape of the reinforcing groove is L-shaped.

Preferably, the diffusion cover is a convex diffusion cover, and the connecting plates are symmetrically arranged on the outer side of the convex diffusion cover and are in sliding connection with the connecting grooves.

Preferably, the local cross-section shape of the connecting groove is L-shaped.

Preferably, a heat dissipation area is arranged on the outer side of the mounting base.

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

1. according to the utility model, the diffusion cover is quickly disassembled through the matching of the connecting plate and the connecting groove, so that the dust removal is convenient, the illumination effect is ensured not to be influenced, and the damaged diffusion cover can be replaced in time.

2. According to the utility model, the positioning teeth, the springs and the positioning grooves are matched, so that the connecting plate and the connecting groove can be installed and connected for positioning, and the diffuser is installed and positioned.

3. According to the utility model, the concave diffusion cover and the convex diffusion cover can be replaced according to the use requirement, and the fixing effect of the concave diffusion cover can be further improved through the reinforcing plate and the reinforcing groove.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of a concave diffuser mounting structure of the present utility model;

FIG. 2 is a cross-sectional view of a concave diffuser mounting structure of the present utility model;

FIG. 3 is an enlarged view of the structure of the area A of the present utility model;

FIG. 4 is a partial cross-sectional view of a connecting trough of the present utility model;

FIG. 5 is an enlarged view of the structure of zone B of the present utility model;

FIG. 6 is a partial cross-sectional view of a reinforcement slot of the present utility model;

FIG. 7 is a schematic view of a convex diffuser mounting structure of the present utility model;

FIG. 8 is a cross-sectional view of a mounting structure of a convex diffuser according to the present utility model

Fig. 9 is an enlarged view of the C-zone structure of the present utility model.

In the figure: 1. a mounting base; 11. a connecting groove; 12. a positioning groove; 13. a reinforcing groove; 14. a heat dissipation area; 2. a concave diffusion cover; 21. a reinforcing plate; 3. a connecting plate; 31. a mounting hole; 32. a spring; 33. positioning teeth; 4. a convex diffuser; 5. an LED lamp panel.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, 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 utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Embodiment one:

referring to fig. 1-4, an annular shadowless LED light source comprises a mounting seat 1, a diffusion cover and an LED lamp panel 5, wherein the end face of the LED lamp panel 5 is provided with annular array LED lamp beads, the annular array LED lamp beads are fixed inside the mounting seat 1, the diffusion cover is detachably arranged at the opening of the mounting seat 1 and covers the LED lamp panel 5, the mounting seat 1 is provided with a connecting groove 11, the outer side of the diffusion cover is outwards extended with a connecting plate 3, and the connecting plate 3 is matched with the connecting groove 11.

In the utility model, please refer to fig. 2, 3, 4, 8 and 9, the connecting groove 11 is provided with a positioning groove 12, the connecting plate 3 is provided with a mounting hole 31, the mounting hole 31 is provided with a positioning piece, the positioning piece is matched with the positioning groove 12, and the positioning piece is matched with the positioning groove 12 to realize the mounting and positioning of the connecting plate 3 and the connecting groove 11; the positioning piece comprises positioning teeth 33 and springs 32, the springs 32 are installed in the installation holes 31, the positioning teeth 33 are movably installed in the installation holes 31, the inner sides of the positioning teeth are connected with the springs 32, the positioning teeth 33 extend out of the installation holes 31 to be matched with the positioning grooves 12, and the positioning teeth 33 are matched with the springs 32 through the positioning teeth 33, and the springs 32 push the positioning teeth 33 to extend into the positioning grooves 12 so as to realize positioning installation; the cross section of the positioning teeth 33 and the positioning groove 12 is semicircular, and the semicircular shape can ensure that the connecting plate 3 is rotated during disassembly, and the positioning teeth 33 automatically compress into the mounting holes 31.

In the utility model, please refer to fig. 1-6, the diffuser is a concave diffuser 2, the connecting plates 3 are symmetrically arranged at the outer side of the concave diffuser 2 and slidingly connected with the connecting grooves 11, the concave diffuser 2 is concave inwards, no ghost is generated by diffuse reflection of the concave diffuser 2, a uniform and large-scale shadowless illumination light field is formed, and the object to be measured is uniformly cross-illuminated; the end part of the concave diffusion cover 2, which is close to the inside of the installation seat 1, is provided with a reinforcing plate 21, the installation seat 1 is provided with a reinforcing groove 13 matched with the reinforcing plate 21, and the stability of the installation of the concave diffusion cover 2 is improved through the reinforcing groove 13; the local section shape of the reinforcing groove 13 is L-shaped, so that quick connection is realized.

In the present utility model, please refer to fig. 7-9, the diffuser is a convex diffuser 4, the connecting plate 3 is symmetrically installed at the outer side of the convex diffuser 4 and slidingly connected with the connecting groove 11, and diffuse reflection is performed by the convex diffuser 4, no ghost is generated, a uniform and large-scale shadowless illumination light field is formed, the object to be measured is uniformly irradiated, and the object to be measured can be replaced with the concave diffuser 2.

In the present utility model, please refer to fig. 4, the local cross-section of the connecting slot 11 is L-shaped, which is convenient for the quick connection between the connecting plate 3 and the connecting slot 11, and can limit the connecting plate 3.

In the present utility model, please refer to fig. 1, fig. 2, fig. 7, and fig. 8, a heat dissipation area 14 is disposed on the outer side of the mounting base 1, so as to accelerate the heat dissipation effect of the mounting base 1.

The implementation principle of the annular shadowless LED light source in the first embodiment of the utility model is as follows:

and (2) mounting: according to the use requirement, the connecting plate 3 of the concave diffusion cover 2 is inserted into the corresponding connecting groove 11, the reinforcing plate 21 is inserted into the corresponding reinforcing groove 13, then the concave full-shot cover is rotated clockwise, the connecting plate 3 slides in the connecting groove 11, the reinforcing plate 21 slides in the reinforcing groove 13, after the positioning tooth 33 is pushed by the spring 32 to extend into the positioning groove 12 after the positioning tooth is installed in place, the positioning and the limiting installation are completed, and when the device is used, diffuse reflection is carried out through the concave diffusion cover 2, no virtual shadow is generated, a uniform and large-range shadowless illumination light field is formed, and a measured object is uniformly crossly irradiated;

and (3) disassembly: rotating the concave diffusion cover 2 anticlockwise, rotating the connecting plate 3 in the connecting groove 11, moving with the positioning teeth 33, pushing the positioning teeth 33 to retract into the mounting holes 31 by the connecting groove 11, compressing the springs 32, simultaneously sliding the reinforcing plate 21 in the reinforcing groove 13, then taking down the concave diffusion cover 2, and cleaning the inside or replacing the concave diffusion cover 2;

replacement: the concave diffusion cover 2 and the convex diffusion cover 4 are replaced according to the use requirement.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. The utility model provides an annular shadowless LED light source, includes mount pad (1), diffuser and LED lamp plate (5), its characterized in that: LED lamp plate (5) terminal surface is annular array's LED lamp pearl, and it is fixed inside mount pad (1), the diffuser demountable installation is in mount pad (1) opening part, and it covers LED lamp plate (5), mount pad (1) are opened there is spread groove (11), the diffuser outside outwards extends has connecting plate (3), connecting plate (3) with spread groove (11) cooperation.

2. The annular shadowless LED light source of claim 1, wherein: the connecting plate (3) is provided with a mounting hole (31), the mounting hole (31) is provided with a positioning piece, and the positioning piece is matched with the positioning groove (12).

3. The annular shadowless LED light source of claim 2, wherein: the locating piece comprises locating teeth (33) and springs (32), the springs (32) are installed in the installation holes (31), the locating teeth (33) are movably installed in the installation holes (31), the inner sides of the locating teeth are connected with the springs (32), and the locating teeth (33) extend out of the installation holes (31) to be matched with the locating grooves (12).

4. A ring-shaped shadowless LED light source as defined in claim 3, wherein: the cross section of the positioning teeth (33) and the positioning grooves (12) is semicircular.

5. The annular shadowless LED light source of claim 4, wherein: the diffusion cover is a concave diffusion cover (2), and the connecting plates (3) are symmetrically arranged on the outer side of the concave diffusion cover (2) and are in sliding connection with the connecting grooves (11).

6. The annular shadowless LED light source of claim 5, wherein: the concave diffuser cover (2) is close to the end part inside the installation seat (1) and is provided with a reinforcing plate (21), and the installation seat (1) is provided with a reinforcing groove (13) matched with the reinforcing plate (21).

7. The annular shadowless LED light source of claim 6, wherein: the local cross section shape of the reinforcing groove (13) is L-shaped.

8. The annular shadowless LED light source of claim 4, wherein: the diffusion cover is a convex diffusion cover (4), and the connecting plates (3) are symmetrically arranged on the outer side of the convex diffusion cover (4) and are in sliding connection with the connecting grooves (11).

9. An annular shadowless LED light source as claimed in any one of claims 1 to 8, wherein: the local cross section shape of the connecting groove (11) is L-shaped.

10. An annular shadowless LED light source as claimed in any one of claims 1 to 8, wherein: and a heat dissipation area (14) is arranged on the outer side of the mounting seat (1).