CN210626354U

CN210626354U - Multi-angle linear spotlight light source device

Info

Publication number: CN210626354U
Application number: CN201920723720.9U
Authority: CN
Inventors: 钟超
Original assignee: Guangdong OPT Machine Vision Co Ltd
Current assignee: Guangdong OPT Machine Vision Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-05-26
Anticipated expiration: 2029-05-20

Abstract

The utility model belongs to the technical field of machine vision, illumination, concretely relates to linear spotlight light source device of multi-angle, including first specular reflection arc, second specular reflection arc, first LED component, second LED component, first optical cylinder condensing lens, second optical cylinder condensing lens, first frame and second frame, first LED component, first optical cylinder condensing lens, first specular reflection arc follow supreme correspondence in proper order down set up in first frame, second LED component, second optical cylinder condensing lens, second specular reflection arc follow supreme correspondence in proper order down and set up in the second frame, first frame is the clearance symmetry setting with the second frame. The visual detection system is stable in work, good in detection effect and high in working efficiency.

Description

Multi-angle linear spotlight light source device

Technical Field

The utility model belongs to the technical field of machine vision, illumination, concretely relates to linear spotlight light source device of multi-angle.

Background

At present, machine vision is widely applied to various fields, and a light source is used as a core component of the machine vision and has great influence on the imaging quality of an image. With the development of the technology, the requirements on the light source are more and more stringent, and for some projects with high requirements on directivity and high brightness, the traditional light source cannot meet the working requirements, and particularly for some detection projects of linear scanning scratch defects, the requirements on the light source are higher.

In view of the above, the related art needs to be perfected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: to prior art's not enough, and provide a linear spotlight light source device of multi-angle, through arranging LED horizontal array, LED is luminous, through cylindrical lens, reduces LED's luminous angle, and light shines to special mirror surface parabola curved surface through lens, through special curved surface reflection, makes light assemble to same focus position, realizes that multi-angle light assembles, so can the light of every direction of make full use of, the utilization ratio of light is very high, and luminance is higher than the tradition. Meanwhile, light rays of the light source irradiate to the workpiece from multiple directions, and the phenomenon of distortion of measured characteristics caused by inclined arrangement of the traditional light source is avoided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a linear spotlight light source device of multi-angle, includes first specular reflection arc, second specular reflection arc, first LED component, second LED component, first optical cylinder condensing lens, second optical cylinder condensing lens, first frame and second frame, first LED component first optical cylinder condensing lens first specular reflection arc follow supreme correspondence in proper order down set up in first frame, second LED component second optical cylinder condensing lens second specular reflection arc follow supreme correspondence in proper order down set up in the second frame, first frame with the second frame is clearance symmetry and sets up. In the work, the linear scanning camera frame is arranged above the first frame and the second frame, the lower end of a lens of the linear scanning camera corresponds to the gap, the first LED element and the second LED element emit light, the divergence angle is generally 120 degrees due to the divergence characteristic of a high-power LED, the divergence angle of the light rays which penetrate through the condenser is reduced by the first LED element through the first optical cylindrical condenser lens, the divergence angle is reduced, more light rays are gathered on the first mirror reflection arc, and all the light rays are gathered on the surface of a workpiece to be measured through the first mirror reflection arc special parabolic curved surface; meanwhile, the divergence angle of the light of the second LED element after penetrating through the condenser lens is reduced through the second optical cylindrical condenser lens, the divergence angle is reduced, more light is gathered on the second mirror reflection arc, and then all the light is gathered to the surface of the workpiece to be detected through the special parabolic curved surface of the second mirror reflection arc, under the superposition effect of the light, the line scanning camera is arranged right above the workpiece to be detected, because the light is shone to the workpiece to be detected from a plurality of directions, the irregular defects in each direction of the workpiece to be detected can be fully lightened, meanwhile, the light gathering mode can fully utilize the stray light emitted by the LED, the light utilization rate is very high, the light gathering point is far higher than the traditional light gathering effect, in practical application, the first frame and the second frame both adopt heat dissipation main body section bars so as to prolong the service life of the system, the visual detection system has stable work and good detection effect, the working efficiency is high.

As an improvement of the linear spotlight light source device of multi-angle, a plurality of LEDs in the first LED component are arranged in the linear even array, a plurality of LEDs in the second LED component are arranged in the linear even array. The design ensures that the light condensing spots on the workpiece to be detected form a line, and the detection effect is enhanced.

As an improvement of the multi-angle linear spotlight light source device, the first LED element with the contained angle between the second LED element is the obtuse angle. This design is advantageous for light concentration.

As an improvement of the multi-angle linear spotlight light source device, the first frame the second frame is all an i-shaped. The design is beneficial to arranging system accessories and simultaneously increasing the stability of the system structure.

As an improvement of the multi-angle linear spotlight light source device, still include first radiator fan group, second radiator fan group, first fan plate and second fan plate, first radiator fan group first fan plate all set up in first frame, second radiator fan group the second fan plate all set up in the second frame. The first fan plate and the second fan plate play a role in protecting the first radiating fan set and the second radiating fan set, and meanwhile, the air inlet and outlet grooves are additionally formed in the first fan plate and the second fan plate, so that air is convected, and a good radiating effect is achieved.

As an improvement of the multi-angle linear spotlight light source device, first fan plate with first radiator fan group corresponds the setting, the second fan plate with second radiator fan group corresponds the setting. This design enhances the heat dissipation.

As an improvement of the multi-angle linear spotlight light source device, first radiator fan group radiator fan's quantity is 2 at least in the second radiator fan group. This design enhances the heat dissipation.

As an improvement of the multi-angle linear spotlight light source device, the utility model further comprises a mounting plate, the first frame passes through the mounting plate with the second frame is connected. The mounting panel is used for connecting fixed overall structure, reserves the mounting hole simultaneously, makes things convenient for the customer to install.

As an improvement of the multi-angle linear spotlight light source device, the quantity of mounting panel is 2, two the mounting panel correspond set up in first frame the both ends of second frame. This design increases the stability of the system architecture.

As an improvement of the multi-angle linear spotlight light source device, the utility model further comprises a beam line structure, two the beam line structure respectively set up in the first frame the second frame. The wire harness structure is used for bundling wires, so that adverse effects on work caused by wire winding are avoided, and meanwhile, the attractiveness of the system structure is improved; in practical application, the wire harness structure may be a wire harness pipe, and in addition, other structures capable of achieving the same effect may be provided, and the wire harness structure may be flexibly set according to practical situations.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic diagram of the operation of the present invention;

wherein: 1-line scan camera; 2-a first specular reflection arc; 3-a second specular reflection arc; 4-a first LED element; 5-a second LED element; 6-a first optical cylindrical condenser; 7-a second optical cylindrical condenser; 8-a first frame; 9-a second frame; 10-clearance; 11-a first radiator fan set; 12-a second radiator fan set; 13-a first fan plate; 14-a second fan plate; 15-mounting a plate; 16-beam line construction; 17-the workpiece to be tested.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element 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 invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.

As shown in fig. 1-3, a multi-angle linear spotlight light source device includes a first specular reflection arc 2, a second specular reflection arc 3, a first LED element 4, a second LED element 5, a first optical cylindrical condenser 6, a second optical cylindrical condenser 7, a first rack 8 and a second rack 9, wherein the first LED element 4, the first optical cylindrical condenser 6, and the first specular reflection arc 2 are sequentially and correspondingly arranged on the first rack 8 from bottom to top, the second LED element 5, the second optical cylindrical condenser 7, and the second specular reflection arc 3 are sequentially and correspondingly arranged on the second rack 9 from bottom to top, and the first rack 8 and the second rack 9 are symmetrically arranged in a gap 10. In operation, the line-scan camera 1 is erected above the first frame 8 and the second frame 9, the lower end of a lens of the line-scan camera 1 corresponds to the gap 10, the first LED element 4 and the second LED element 5 emit light, due to the characteristic of divergence of a high-power LED, the divergence angle is generally 120 degrees, the divergence angle of light rays which penetrate through the condenser lens is reduced by the first LED element 4 through the first optical cylindrical condenser lens 6, the divergence angle is reduced, more light rays are gathered on the first mirror reflection arc 2, and all the light rays are gathered on the surface of a workpiece 17 to be measured through the special parabolic curved surface of the first mirror reflection arc 2; meanwhile, the divergence angle of the light rays of the second LED element 5 which penetrate through the condenser is reduced through the second optical cylindrical condenser 7, the divergence angle is reduced, more light rays are gathered on the second specular reflection arc 3, all the light rays are gathered to the surface of the workpiece 17 to be detected through the special parabolic curved surface of the second specular reflection arc 3, the line scanning camera 1 is arranged right above the workpiece 17 to be detected under the superposition effect of the light rays, the irregular defects in all directions of the workpiece 17 to be detected can be fully illuminated due to the fact that the light rays irradiate to the workpiece 17 to be detected from multiple directions, meanwhile, the light gathering mode can fully utilize the stray light rays diffused by the LEDs, the light utilization rate is very high, the light gathering point is far higher than the traditional light gathering effect, in practical application, the first rack 8 and the second rack 9 both adopt heat dissipation main body section bars so as to prolong the service life of the system, and the visual detection system works stably, the detection effect is good, and the work efficiency is high.

Preferably, the plurality of LEDs in the first LED element 4 are arranged in a linear uniform array, and the plurality of LEDs in the second LED element 5 are arranged in a linear uniform array. The design ensures that the light condensing spots on the workpiece 17 to be detected are linear, and the detection effect is enhanced.

Preferably, the included angle between the first LED element 4 and the second LED element 5 is an obtuse angle. This design is advantageous for light concentration.

Preferably, the first frame 8 and the second frame 9 are both in an i-shape. The design is beneficial to arranging system accessories and simultaneously increasing the stability of the system structure.

The utility model discloses still include first radiator fan group 11, second radiator fan group 12, first fan board 13 and second fan board 14, first radiator fan group 11, first fan board 13 all set up in first frame 8, and second radiator fan group 12, second fan board 14 all set up in second frame 9. The first fan plate 13 and the second fan plate 14 protect the first cooling fan set 11 and the second cooling fan set 12, and the air inlet and outlet slots are added on the first fan plate 13 and the second fan plate 14, so that air convection is realized, and a good cooling effect is achieved.

Preferably, the first fan plate 13 is disposed corresponding to the first cooling fan set 11, and the second fan plate 14 is disposed corresponding to the second cooling fan set 12. This design enhances the heat dissipation.

Preferably, the number of the heat dissipation fans in the first heat dissipation fan set 11 and the second heat dissipation fan set 12 is at least 2. This design enhances the heat dissipation.

The utility model discloses still include mounting panel 15, first frame 8 is connected with second frame 9 through mounting panel 15. The mounting plate 15 is used for connecting a fixed integral structure, and meanwhile, mounting holes are reserved, so that the mounting is convenient for customers to mount.

Preferably, the number of the mounting plates 15 is 2, and two mounting plates 15 are correspondingly arranged at two ends of the first frame 8 and the second frame 9. This design increases the stability of the system architecture.

The utility model discloses still include bunch structure 16, two bunch structures 16 set up respectively in first frame 8, second frame 9. The wire harness structure 16 is used for bundling wires, so that adverse effects on work caused by winding of the wires are avoided, and meanwhile, the attractiveness of the system structure is improved; in practical applications, the wire harness structure 16 may be a wire harness tube, or may be another structure capable of achieving the same effect, and may be flexibly configured according to practical situations.

The utility model discloses a theory of operation is: in the work, the first LED element 4 and the second LED element 5 emit light, because of the characteristic of the divergence of the high-power LED, the divergence angle is generally 120 degrees, the divergence angle of the light of the first LED element 4 after passing through the condenser is reduced through the first optical cylindrical condenser 6, the divergence angle is reduced, the illumination gathered on the first mirror reflection arc 2 is more, and then the light is gathered on the surface of the workpiece 17 to be measured through the special parabolic curved surface of the first mirror reflection arc 2; meanwhile, the divergence angle of light rays of the second LED element 5 after penetrating through the condenser is reduced through the second optical cylindrical condenser 7, the divergence angle is reduced, more light rays are gathered on the second specular reflection arc 3, all the light rays are gathered to the surface of the workpiece 17 to be measured through the special parabolic curved surface of the second specular reflection arc 3, under the superposition effect of the light rays, the line scanning camera 1 is arranged right above the workpiece 17 to be measured, and due to the fact that the light rays irradiate towards the workpiece 17 to be measured from multiple directions, all the defects of the workpiece 17 to be measured, which are irregular in all directions, can be illuminated, meanwhile, the light gathering mode can fully utilize stray light rays diffused by the LEDs, the light utilization rate of the LED is very high, the light gathering point is far higher than the traditional light gathering effect, and in practical application, the first rack 8 and the second rack 9 both adopt heat dissipation main body section bars so as to prolong the service life of the system.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A multi-angle linear spotlight light source device which characterized in that: including first specular reflection arc (2), second specular reflection arc (3), first LED component (4), second LED component (5), first optical cylinder condensing lens (6), second optical cylinder condensing lens (7), first frame (8) and second frame (9), first LED component (4), first optical cylinder condensing lens (6) supreme correspondence in proper order under first specular reflection arc (2) set up in first frame (8), second LED component (5) second optical cylinder condensing lens (7) second specular reflection arc (3) from supreme correspondence in proper order under follow set up in second frame (9), first frame (8) with second frame (9) are clearance (10) symmetry setting.

2. The multi-angle linear spotlight source device of claim 1, wherein: the LEDs in the first LED element (4) are arranged in a linear uniform array, and the LEDs in the second LED element (5) are arranged in a linear uniform array.

3. The multi-angle linear spotlight source device of claim 2, wherein: the included angle between the first LED element (4) and the second LED element (5) is an obtuse angle.

4. The multi-angle linear spotlight source device of claim 1, wherein: the first rack (8) and the second rack (9) are both I-shaped.

5. The multi-angle linear spotlight source device of claim 1, wherein: the cooling fan assembly is characterized by further comprising a first cooling fan assembly (11), a second cooling fan assembly (12), a first fan plate (13) and a second fan plate (14), wherein the first cooling fan assembly (11) and the first fan plate (13) are arranged on the first rack (8), and the second cooling fan assembly (12) and the second fan plate (14) are arranged on the second rack (9).

6. The multi-angle linear spotlight source device of claim 5, wherein: the first fan plate (13) is arranged corresponding to the first cooling fan set (11), and the second fan plate (14) is arranged corresponding to the second cooling fan set (12).

7. The multi-angle linear spotlight source device of claim 5, wherein: the number of the heat radiation fans in the first heat radiation fan set (11) and the second heat radiation fan set (12) is at least 2.

8. The multi-angle linear spotlight source device of claim 1, wherein: the device is characterized by further comprising a mounting plate (15), wherein the first rack (8) is connected with the second rack (9) through the mounting plate (15).

9. The multi-angle linear spotlight source device of claim 8, wherein: the quantity of mounting panel (15) is 2, two mounting panel (15) correspond set up in first frame (8) the both ends of second frame (9).

10. The multi-angle linear spotlight source device of claim 1, wherein: the wire harness structure is characterized by further comprising wire harness structures (16), wherein the two wire harness structures (16) are respectively arranged on the first rack (8) and the second rack (9).