CN218937731U

CN218937731U - LED vision detection device

Info

Publication number: CN218937731U
Application number: CN202223552984.3U
Authority: CN
Inventors: 倪荣飞; 宋国添; 陆小珊
Original assignee: Shenzhen Wotebang Testing Equipment Co ltd
Current assignee: Shenzhen Wotebang Testing Equipment Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-04-28
Anticipated expiration: 2032-12-29

Abstract

The application provides an LED visual inspection device belongs to product detection technical field. The LED vision detection device comprises: the lamp panel bearing assembly comprises a bearing base, a first shading piece, an LED lamp panel and a bearing top plate, wherein the first shading piece is fixed on the bearing base, the bearing top plate is fixed on the first shading piece, the bearing top plate is provided with a first visual detection window, and the LED lamp panel is arranged in the first shading piece; the visual detection assembly comprises a detection bottom plate, a second shading piece, a detection top plate and a CCD (charge coupled device) camera, wherein the detection bottom plate is provided with a second visual detection window, the second shading piece is fixed on the detection bottom plate, the detection top plate is fixed on the second shading piece, the CCD camera is connected with the detection top plate, and the CCD camera is used for performing visual detection on the LED lamp panel through the first visual detection window and the second visual detection window. The CCD camera is used for shooting the LEDs to realize visual detection, and the detection precision is high.

Description

LED vision detection device

Technical Field

The application relates to the technical field of product detection, in particular to an LED visual detection device.

Background

In the related art, the visual detection of the LED is usually performed manually, and this method is easily affected by the visual fatigue of the detection personnel, and the accuracy of the detection is not high.

Disclosure of Invention

The main aim of the embodiment of the application is to provide an LED visual detection device, shoot LED through the CCD camera in order to realize visual detection, do not receive the asthenopia of inspector to influence, detection precision is high.

To achieve the above object, an embodiment of the present application provides an LED vision detection device, including:

the lamp panel bearing assembly comprises a bearing base, a first shading piece, an LED lamp panel and a bearing top plate, wherein the first shading piece is fixed on the bearing base, the bearing top plate is fixed on the first shading piece, the bearing top plate is provided with a first visual detection window, and the LED lamp panel is arranged in the first shading piece;

visual detection subassembly, visual detection subassembly is including detecting bottom plate, second shade, detection roof, detection backplate and CCD camera, it is equipped with the second vision detection window to detect the bottom plate, the second shade is fixed in detect on the bottom plate, detect the roof be fixed in on the second shade, detect the backplate respectively with the second shade with it is connected to detect the roof, the CCD camera is used for through first vision detection window with the second vision detection window is right carry out visual detection to the LED lamp plate.

In some embodiments, the lamp panel bearing assembly further comprises a lamp panel limiting member, at least two limiting blocks are arranged on the surface of the lamp panel limiting member, and the lamp panel limiting member is in clamping connection with the LED lamp panel through the limiting blocks.

In some embodiments, the first shade is provided with a shade enclosure, and the LED light panel is disposed inside the shade enclosure.

In some embodiments, the lamp panel carrier assembly further comprises a lamp panel power supply, the lamp panel power supply is electrically connected with the LED lamp panel, and the lamp panel power supply is used for connecting an external power supply.

In some embodiments, the shading coaming is provided with a power supply opening, and the lamp panel power supply member is connected with the first shading member through the power supply opening.

In some embodiments, the visual inspection device further comprises a camera mount having a horizontal mounting slot through which the camera mount is slidably coupled to the inspection top plate.

In some embodiments, the camera mount is further provided with a vertical mounting slot through which the camera mount is slidably connected to the CCD camera.

According to the LED visual detection device, the CCD camera is used for shooting the LEDs to realize visual detection, the visual fatigue influence of detection personnel is avoided, and the detection precision is high.

Drawings

Fig. 1 is a schematic diagram of an LED vision detection device provided in an embodiment of the present application;

FIG. 2 is an exploded view of one embodiment of the lamp panel carrier assembly of FIG. 1;

FIG. 3 is an exploded view of one embodiment of the visual inspection assembly of FIG. 1;

FIG. 4 is a schematic view of the lamp panel retainer of FIG. 2;

fig. 5 is a schematic view of the camera mount shown in fig. 3.

Reference numerals:

the lamp panel bearing assembly 100, the visual inspection assembly 200, the bearing base 110 and the first shading piece 120;

the LED lamp panel 130, the bearing top plate 140, the first visual detection window 141 and the lamp panel limiting piece 150;

a lamp panel power supply 160, a light shielding coaming 121, a power supply opening 122, and a detection bottom plate 210;

a second light shielding member 220, a detection top plate 230, a detection back plate 240, and a CCD camera 250;

a second visual inspection window 211, a camera fixing member 260, a stopper 151, a horizontal mounting groove 261;

vertical mounting groove 262, sliding block 263.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It should be noted that although functional block division is performed in a device diagram and a logic sequence is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the block division in the device, or in the flowchart. The terms first, second and the like in the description and in the claims and in the above-described figures, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

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 application belongs. The terminology used herein is for the purpose of describing embodiments of the present application only and is not intended to be limiting of the present application.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the disclosed aspects may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

The LED visual detection device can be applied to batch detection of LEDs. In the related art, the visual detection of the LED is usually performed manually, and this method is easily affected by the visual fatigue of the detection personnel, and the accuracy of the detection is not high.

Based on this, this application provides a LED visual detection device, shoots LED in order to realize visual detection through the CCD camera, does not receive inspector's asthenopia influence, and detection accuracy is high.

Referring to fig. 1, 2 and 3, an LED vision detection device according to an embodiment of the present application includes:

the lamp panel bearing assembly 100, the lamp panel bearing assembly 100 comprises a bearing base 110, a first shading piece 120, an LED lamp panel 130 and a bearing top plate 140, the first shading piece 120 is fixed on the bearing base 110, the bearing top plate 140 is fixed on the first shading piece 120, the bearing top plate 140 is provided with a first visual detection window 141, and the LED lamp panel 130 is arranged in the first shading piece 120;

the visual inspection assembly 200, the visual inspection assembly 200 includes a detection bottom plate 210, a second light shielding member 220, a detection top plate 230, a detection back plate 240 and a CCD camera 250, the detection bottom plate 210 is provided with a second visual inspection window 211, the second light shielding member 220 is fixed on the detection bottom plate 210, the detection top plate 230 is fixed on the second light shielding member 220, the detection back plate 240 is respectively connected with the second light shielding member 220 and the detection top plate 230, the CCD camera 250 is connected with the detection top plate 230, and the CCD camera 250 is used for visually inspecting the LED lamp panel 130 through the first visual inspection window 141 and the second visual inspection window 211.

In the embodiment of the present application, the first light shielding member 120 and the second light shielding member 220 may be made of black phenolic plastic. The LED is a light-emitting element, and interference and influence of an external light source are required to be reduced as much as possible in the visual detection process. The black phenolic plastic has good light absorption effect and can better isolate the influence of an external light source. The lens of the CCD camera 250 faces downwards, and the lens is located in the middle of the area surrounded by the second light shielding member 220 and the detection back plate 240. The CCD camera 250 is arranged above the LED lamp panel 130 in the vertical direction, and the distance between the lens of the CCD camera 250 and the LED lamp panel 130 is 120cm to 160cm so as to meet the requirement of visual inspection. The lens mirror surface of the CCD camera 250 is parallel to the surface of the LED lamp panel 130, so that errors in the detected pearlescent illumination degree of the LED lamps at two sides of the LED lamp panel 130 caused by the inclination of the mirror surface are avoided, and the accuracy of visual detection is influenced. The LED light panel 130 can simultaneously carry 107 LED light beads for detection. The CCD camera 250 is used for shooting the LEDs to realize visual detection, so that the detection is not influenced by visual fatigue of detection personnel, and the detection precision is high.

In some embodiments, referring to fig. 2 and 4, the lamp panel bearing assembly 100 further includes a lamp panel limiting member 150, at least two limiting blocks 151 are disposed on a surface of the lamp panel limiting member 150, and the lamp panel limiting member 150 is clamped with the LED lamp panel 130 by the limiting blocks 151.

As shown in fig. 4, the lamp panel limiting member 150 is provided with 3 limiting blocks 151, and the lamp panel limiting member 150 is used for fixing the LED lamp panel 130, so as to prevent the LED lamp panel 130 from shaking in the testing process to cause the LED lamp beads to deviate from the visual detection range of the CCD camera 250. In the exemplary embodiment, the lamp panel limiting member 150 may be made of black phenolic plastic, and may prevent the photographing effect of the CCD camera 250 from being affected by the light absorption effect, and may protect the LED lamp panel 130.

In some embodiments, referring to fig. 2, the first shade 120 is provided with a shading board 121, and the led lamp panel 130 is disposed inside the shading board 121. The light-shielding cover 121 serves to reduce the influence of external light sources.

In some embodiments, referring to fig. 2, the lamp panel carrier assembly 100 further includes a lamp panel power supply 160, the lamp panel power supply 160 is electrically connected to the LED lamp panel 130, and the lamp panel power supply 160 is used for connecting to an external power source. It will be appreciated that the LED lamp panel 130 needs to be connected to a power source to make the LED lamp beads emit light, and the lamp panel power supply 160 is used to connect to an external power source (such as a mains supply) and adjust the voltage of the external power source to supply power to the LED lamp panel 130.

In some embodiments, referring to fig. 2, the shade cover 121 is provided with a power opening 122, and the light panel power supply 160 is connected to the first shade 120 through the power opening 122. The lamp panel power supply member 160 is fixed at the power supply opening 122 of the light shielding coaming 121, and at the same time, can isolate the optical fiber of the external light source to some extent from entering from the power supply opening 122.

In some embodiments, referring to fig. 3 and 5, the visual inspection apparatus further includes a camera fixing member 260, the camera fixing member 260 is provided with a horizontal mounting groove 261, and the camera fixing member 260 is slidably connected with the inspection top plate 230 through the horizontal mounting groove 261. The camera mount 260 is fixed to the inspection top plate 230 by screws through the horizontal mounting grooves 261. When the screw is loosened, the camera fixing member 260 can horizontally slide along the horizontal mounting groove 261 under the limit of the screw to adjust the position.

In some embodiments, referring to fig. 3 and 5, the camera mount 260 is further provided with a vertical mounting groove 262, and the camera mount 260 is slidably coupled to the CCD camera 250 through the vertical mounting groove 262. The CCD camera 250 is fixed to the camera fixing member 260 by screws passing through the vertical mounting grooves 262. When the screw is loosened, the CCD camera 250 can vertically slide along the vertical mounting groove 262 under the limit of the screw to adjust the position. The position of the CCD camera 250 can be spatially adjusted by the horizontal mounting groove 261 and the vertical mounting groove 262. As shown in fig. 5, the camera fixing member 260 is further provided with a sliding block 263, and the sliding block 263 can prevent the CCD camera 250 from tilting during installation and adjustment, so that the CCD camera 250 always keeps vertically downward.

The embodiments described in the embodiments of the present application are for more clearly describing the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application, and as those skilled in the art can know that, with the evolution of technology and the appearance of new application scenarios, the technical solutions provided by the embodiments of the present application are equally applicable to similar technical problems.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be understood that in this application, "at least one" means one or more, and "a plurality" means two or more. "and/or" for describing the association relationship of the association object, the representation may have three relationships, for example, "a and/or B" may represent: only a, only B and both a and B are present, wherein a, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of" or the like means any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (one) of a, b or c may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.

In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.

The embodiments of the present application have been described in detail above with reference to the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present application. Furthermore, embodiments of the present application and features of the embodiments may be combined with each other without conflict.

Claims

1. An LED vision inspection device, comprising:

2. The LED vision inspection device of claim 1, wherein the light panel carrier assembly further comprises a light panel limiter, wherein at least two limiting blocks are provided on the surface of the light panel limiter, and the light panel limiter is clamped with the LED light panel via the limiting blocks.

3. The LED vision inspection device of claim 1, wherein the first shade is provided with a shade shroud, and the LED light panel is disposed inside the shade shroud.

4. The LED vision inspection device of claim 3, wherein the light panel carrier assembly further comprises a light panel power supply electrically connected to the LED light panel, the light panel power supply for connecting to an external power source.

5. The LED vision inspection device of claim 4, wherein the light-shielding shroud is provided with a power opening, and the light panel power supply is connected to the first light-shielding member through the power opening.

6. The LED vision inspection device of any one of claims 1 to 5, further comprising a camera mount having a horizontal mounting slot through which the camera mount is slidably connected to the inspection top plate.

7. The LED vision inspection device of claim 6, wherein the camera mount is further provided with a vertical mounting slot through which the camera mount is slidably connected to the CCD camera.