CN212780465U

CN212780465U - AOI light source

Info

Publication number: CN212780465U
Application number: CN202021456321.XU
Authority: CN
Inventors: 黄易龙; 张焱; 段绪洲
Original assignee: Suzhou Muran Photoelectric Technology Co ltd
Current assignee: Suzhou Muran Photoelectric Technology Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-03-23
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses an AOI light source, including light source portion and base, light source portion includes the upper cover of tube-shape and the top cap that links to each other with the upper cover, be provided with annular PCB board below the top cap, PCB board links to each other with a connecting wire, PCB board from the inner circle to outer lane downward sloping gradually, one side that PCB board dorsad top cap is provided with RGBLED lamp and white light LED lamp, the center of top cap is provided with the first opening that link up, one side that the PCB board was kept away from to the top cap is provided with first mounting hole; the base comprises a bottom plate and a cylindrical side wall, a through second opening is formed in the center of the bottom plate, second mounting holes are formed in the periphery of the second opening, the side wall is connected with the upper cover, 4 notches are formed in the side wall along the circumference, and the 4 notches are opposite to each other in pairs. The utility model discloses simple to operate, the suitability is high, avoids interfering, adapts to the operating condition of various differences better, brings better result of use for the optical detection process, improves and detects installation effectiveness.

Description

AOI light source

Technical Field

The utility model relates to a light source especially relates to an AOI light source.

Background

AOI (automated optical inspection) is a device for detecting common defects encountered in welding production based on an optical principle, a machine automatically scans a PCB through a camera, acquires images, compares the tested welding points with qualified parameters in a database, inspects the defects on the PCB through image processing, and displays/marks the defects through a display or an automatic mark for repair by maintenance personnel. A common AOI light source generally needs to adopt a plurality of light-emitting elements with different colors, and a plurality of control lines respectively control the light-emitting elements with different colors to emit light, so that the structure is complicated; the AOI light source is connected with the camera shooting mechanism, the problem that the AOI light source is difficult to match and install or the appearance is interfered and the like is easily generated when the appearance of the camera shooting mechanism is changed, and the adaptability is poor.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists above-mentioned, the utility model aims at: the AOI light source is simple in structure and good in adaptability.

In order to achieve the above object, the utility model provides a following technical scheme:

an AOI light source comprises a light source part and a base, wherein the light source part comprises a cylindrical upper cover and a top cover connected with the upper cover, an annular PCB is arranged below the top cover, the PCB is connected with a connecting wire, the PCB is gradually inclined downwards from an inner ring to an outer ring, an RGBLED lamp and a white LED lamp are arranged on one side of the PCB, which is opposite to the top cover, a first through opening is formed in the center of the top cover, and a first mounting hole is formed in one side, which is far away from the PCB, of the top cover; the base comprises a bottom plate and a cylindrical side wall, a through second opening is formed in the center of the bottom plate, second mounting holes are formed in the periphery of the second opening, the side wall is connected with the upper cover, 4 notches are formed in the side wall along the circumference, and the 4 notches are opposite to each other in pairs.

Preferably, a heat conducting pad is arranged between the PCB and the top cover.

Preferably, the top cover is provided with a channel port, and the connecting line passes through the channel port to be connected with the PCB.

Preferably, the rgbl LED lamps and the white LED lamps are uniformly dispersed on the PCB.

Preferably, the side wall is connected with the upper cover through threads.

Preferably, a column connected with the inside of the side wall is arranged between the adjacent notches.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses AOI light source includes light source portion and base, is provided with RGBLED lamp and white light LED lamp on the PCB board in the light source portion, and the RGBLED lamp can send three kinds of colour light respectively, need not to use three kinds of different lamp pearls and set up three-layer PCB board and install, and simple structure uses a connecting wire alright control, convenient to use; be provided with first mounting hole on the top cap of light source portion, the below of light source portion is connected with the base, is provided with the second mounting hole on the base, both can link to each other with camera mechanism through first mounting hole, also can link to each other with detecting the platform through the base, simple to operate, and adaptability is high, adapts to the operating condition of various differences better, brings better result of use for the optical detection process.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1 is a perspective view of an AOI light source of the present invention;

FIG. 2 is a top view of the AOI light source of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a perspective view of the light source portion of the AOI light source of the present invention.

Wherein: 1. an upper cover; 11. a first thread; 2. a top cover; 21. a first opening; 22. a first mounting hole; 23. a passage port; 3. a PCB board; 31. a gap; 4. RGBLED lamp; 5. a white light LED lamp; 6. a base plate; 61. a second opening; 62. a second mounting hole; 7. a side wall; 71. a notch; 72. a column; 8. a thermally conductive pad; 9. and connecting the wires.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a 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. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

As shown in the attached drawing 1, the utility model discloses AOI light source, including light source portion and base, light source portion includes the upper cover 1 of tube-shape and the top cap 2 that links to each other with upper cover 1, and annular PCB board 3 is installed to the below of top cap 2, and PCB board 3 links to each other with a connecting wire 9. As shown in fig. 3, a channel opening 23 is formed in the top cover 2, and the connection line 9 passes through the channel opening 23 to be connected with the PCB 3 for power supply.

As shown in fig. 4, the rgbd lamp 4 and the white LED lamp 5 are installed on one side of the PCB 3 facing away from the top cover 2, the heat conducting pad 8 is installed between the PCB 3 and the top cover 2, and the heat conducting pad 8 is used for dissipating heat of the PCB 3. The plurality of RGBLED lamps 4 and the white LED lamps 5 are uniformly dispersed on the PCB board, so that uniform lighting conditions are provided for the workpiece. The rgbl led lamp 4 can emit red, green, and blue lights under control to obtain image data under different illumination conditions, and obtain brightness and color required for optical detection. Ordinary AOI light source need divide three region, and every region uses the lamp pearl of a different colour to the realization sends the function of three kinds of chromatic light, the utility model discloses the AOI light source need only use RGBLED lamp 4 can send the chromatic light of three kinds of differences, need not the subregion, saves space, simple structure.

The PCB 3 is gradually inclined downwards from the inner ring to the outer ring, so that light is converged to the center. PCB board 3 radially has a gap 31, and gap 31 cuts PCB board 3 and opens, is convenient for adjust 3 gradients of PCB board and elasticity, makes PCB board 3 and top cap 2 laminate better, and difficult distortion avoids a monoblock PCB board 3 distortion when the high temperature, drops with top cap 2 separation.

The center of top cap 2 is provided with the first opening 21 that link up, and the mechanism of being convenient for make a video recording is observed and is shot, and one side that PCB board 3 was kept away from to top cap 2 is provided with a plurality of first mounting holes 22, can install the AOI light source in the corresponding position of the mechanism of making a video recording through first mounting hole 22.

The base includes bottom plate 6 and the lateral wall 7 of tube-shape, and the center of bottom plate 6 is provided with second opening 61 that link up, is provided with second mounting hole 62 around second opening 61, and second mounting hole 62 evenly distributed is in four angles departments of square bottom plate 6. The AOI light source may be mounted on the inspection station through the second mounting hole 62. When camera shooting mechanism department does not have enough space or the mounting hole mismatch, install AOI light source and make things convenient for more firm on examining test table.

As shown in fig. 4, a first screw thread 11 is provided at a lower edge of the upper cap 1, and the sidewall 7 is rotatably coupled to the upper cap 1 by the first screw thread 11. The side wall 7 is provided with 4 notches 71 along the circumference, the 4 notches 71 are opposite in pairs, and during detection, a workpiece passes through the two opposite notches 71. Between adjacent notches 71, a post 72 is formed which is connected to the inside of the side wall to increase the strength of the side wall 7.

During the use, the work piece gets into the below of PCB board 3 from the breach 71 of one side, according to the demand of work piece to different chromatic light, controls RGBLED lamp 4 or white light LED lamp 5 and sends corresponding light, and the work piece shifts out from opposite side breach 71 after accomplishing the detection, and next work piece gets into, detects in proper order.

The utility model discloses AOI light source includes light source portion and base, is provided with RGBLED lamp 4 and white light LED lamp 5 on the PCB board 3 in the light source portion, and RGBLED lamp 4 can send three kinds of colour lights respectively, need not to use three kinds of different lamp pearls and set up three-layer PCB board and install, and simple structure uses a connecting wire 9 alright control, convenient to use; be provided with first mounting hole 22 on the top cap 2 of light source portion, the below of light source portion is connected with the base, is provided with second mounting hole 62 on the base, both can link to each other with camera mechanism through first mounting hole 22, also can link to each other with examining test table through the base, simple to operate, and adaptability is high, avoids interfering, adapts to various different operating conditions better, brings better result of use for the optical detection process, improves and detects the installation effectiveness.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. An AOI light source, comprising: the LED lamp comprises a light source part and a base, wherein the light source part comprises a cylindrical upper cover and a top cover connected with the upper cover, an annular PCB is arranged below the top cover, the PCB is connected with a connecting wire, the PCB is gradually inclined downwards from an inner ring to an outer ring, an RGBLED lamp and a white LED lamp are arranged on one side of the PCB, which is back to the top cover, a through first opening is arranged in the center of the top cover, and a first mounting hole is arranged on one side of the top cover, which is far away from the PCB; the base comprises a bottom plate and a cylindrical side wall, a through second opening is formed in the center of the bottom plate, second mounting holes are formed in the periphery of the second opening, the side wall is connected with the upper cover, 4 notches are formed in the side wall along the circumference, and the 4 notches are opposite to each other in pairs.

2. The AOI light source of claim 1, wherein: and a heat conducting pad is arranged between the PCB and the top cover.

3. The AOI light source of claim 1, wherein: the top cover is provided with a channel opening, and the connecting wire penetrates through the channel opening to be connected with the PCB.

4. The AOI light source of claim 3, wherein: the RGBLED lamps and the white LED lamps are uniformly dispersed on the PCB.

5. The AOI light source of claim 1, wherein: the side wall is connected with the upper cover through threads.

6. The AOI light source of claim 1, wherein: and an upright column connected with the inside of the side wall is arranged between the adjacent notches.