CN217930791U

CN217930791U - Diffuser plate shielding nature inspection tool with adjustable

Info

Publication number: CN217930791U
Application number: CN202222358018.1U
Authority: CN
Inventors: 张子宾; 郝彪
Original assignee: Qingdao Guoqi Photoelectric Technology Co ltd
Current assignee: Qingdao Guoqi Photoelectric Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-11-29
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a diffuser plate shielding nature inspection tool with adjustable, including backlight box and a plurality of lamp pearl, backlight box includes the bottom plate and encloses a plurality of curb plates of locating the bottom plate side, and the lamp pearl is located in the backlight box and height-adjustable ground is connected on the bottom plate. The utility model discloses rational in infrastructure, commonality are good and occupation space is little, simple easy operation, are favorable to popularizing and applying.

Description

Diffuser plate shielding nature inspection tool with adjustable

Technical Field

The utility model relates to a diffuser plate processing production technical field specifically is a diffuser plate shielding nature inspection tool with adjustable.

Background

Conventionally, when quality inspection needs to be performed on a printed diffuser plate and a cut diffuser plate to determine whether the printed diffuser plate and the cut diffuser plate meet expected optical requirements, an actual backlight module matched with the diffuser plate needs to be selected for inspection. When the distance (OD value) from the lamp beads to the diffusion plate in the inspection jig needs to be changed to inspect the shielding property of the diffusion plate, different inspection jigs need to be replaced to inspect the diffusion plate, and the inspection jig has the problems of poor universality, high inspection cost, time and labor consuming operation and large occupied space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a diffuser plate shielding nature inspection tool with adjustable, it has solved among the prior art that inspection tool commonality is poor, the operation is consuming time hard and the big technical problem of occupation space, has rational in infrastructure, the commonality is good and the little, the simple technological effect of easy operation of occupation space. The adopted technical scheme is as follows:

the utility model provides an adjustable diffuser plate shielding nature inspection tool, includes backlight box and a plurality of lamp pearl, backlight box includes the bottom plate and encloses a plurality of curb plates of locating the bottom plate side, and the lamp pearl is located in backlight box and height-adjustable ground is connected on the bottom plate.

On the basis of the technical scheme, the lamp beads are connected to the bottom plate through the telescopic rods.

On the basis of the technical scheme, the telescopic rod comprises an outer barrel fixedly arranged on the bottom plate and an inner barrel sleeved in the outer barrel, limiting bulges are symmetrically arranged on the outer wall surface of the inner barrel, limiting concave parts matched with the limiting bulges are arranged on the inner wall surface of the outer barrel, and the limiting bulges can be accommodated in different limiting concave parts to adjust the length of the telescopic rod.

On the basis of the technical scheme, the lamp beads are connected with the bottom plate through the spring ejector pins, the spring ejector pins are downwards bonded with the bottom plate, and the spring ejector pins are upwards bonded with the bottom surfaces of the lamp beads.

On the basis of the technical scheme, the reflective paper is arranged on the top surface of the bottom plate and the inner wall surfaces of the side plates.

On the basis of the technical scheme, the lamp beads are connected with the power supply in series or in parallel, and the side plate is provided with a through hole for the power supply wire to pass through.

On the basis of the technical scheme, the top surface of the backlight box is rectangular, and the length of the long side of the rectangle is integral multiple of the length of the short side of the rectangle.

Advantageous effects

The utility model discloses well lamp pearl height-adjustable ground is connected with the bottom plate, so can adjust lamp pearl in a flexible way apart from the distance of diffuser plate, satisfies various shielding nature inspection demands, increases inspection tool's commonality, is favorable to practicing thrift the inspection space, and inspection operation is simple and easy, is favorable to improving inspection efficiency.

Wherein, lamp pearl accessible telescopic link is connected with the bottom plate, and is equipped with spacing arch on the inner tube, is equipped with the spacing concave part that corresponds with spacing arch on the urceolus, so the operator can accurate perception lamp pearl the adjusting position when the operation, and convenient operation is favorable to reducing misoperation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is to be understood that the drawings in the following description are merely exemplary of the invention and that other embodiments may be derived by those skilled in the art without inventive step from the drawings provided.

FIG. 1: the three-dimensional structure of the utility model is shown schematically;

FIG. 2: the sectional structure of the front view of the utility model is shown schematically;

FIG. 3: a is a partially enlarged schematic view in fig. 2;

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the embodiments herein includes the full breadth of the claims, as well as all available equivalents of the claims. The terms "first," "second," and the like, herein are used solely to distinguish one element from another without requiring or implying any actual such relationship or order between such elements. In practice, a first element can also be referred to as a second element, and vice versa. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such structure, apparatus, or device. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a structure, device, or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein, as used herein, are defined as orientations or positional relationships based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, and communication between two elements, and may include direct connection and indirect connection through intervening media, where the meaning of the terms is to be understood by those skilled in the art as appropriate.

Herein, the term "plurality" means two or more, unless otherwise specified.

Herein, the character "/" indicates that the preceding and following objects are in an "or" relationship. For example, A/B represents: a or B.

Herein, the term "and/or" is an associative relationship describing objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

As shown in fig. 1 to 3, the adjustable diffuser plate shielding inspection jig comprises a backlight box 1 and 4 lamp beads 2, wherein each lamp bead 2 comprises an aluminum bottom plate, an LED lamp core is arranged on the aluminum bottom plate, a transparent lampshade is arranged outside the LED lamp core, the backlight box 1 comprises a bottom plate 11 and 4 side plates 12 surrounding the side surface of the bottom plate 11, the 4 lamp beads 3 are connected with a power supply in parallel, and through holes for power supply wires to pass through are arranged on the side plates 12; the lamp beads 2 are arranged in the backlight box 1 and connected to the bottom plate 11 in a height-adjustable manner, specifically, as shown in fig. 2 and 3, the lamp beads 2 are connected to the bottom plate through telescopic rods 3, each telescopic rod 3 comprises an outer barrel 31 fixedly arranged on the bottom plate 11 and an inner barrel 32 sleeved in the outer barrel 31, a plurality of limiting protrusions are circumferentially arranged on the outer wall surface of the

inner barrel

32, 2 groups of limiting concave parts matched with the limiting protrusions are arranged on the inner wall surface of the outer barrel 31, the number of the limiting concave parts and the distance between two adjacent groups of limiting concave parts can be set according to use requirements, the limiting protrusions can be accommodated in different limiting concave parts to adjust the length of the telescopic rods 3, and in order to facilitate the limiting protrusions to slide into and slide out of the limiting concave parts, the limiting concave parts are in smooth transition with the inner wall surface of the outer barrel 31; in other embodiments of the present invention, a plurality of sets of limiting protrusions may be provided, or the limiting protrusions may be provided on the inner wall surface of the outer tube 31 and the limiting concave portion may be provided on the outer wall surface of the inner tube 32.

The utility model discloses an in other embodiments, 2 accessible spring thimbles of lamp pearl are connected with bottom plate 11, specifically do, the spring thimble bonds in order to dismantle with the bottom plate downwards and is connected, the spring thimble upwards bonds in order to dismantle with 2 bottom surfaces of lamp pearl and is connected, when the height of needs adjustment lamp pearl, the spring thimble of removable not co-altitude specification, wherein, the spring thimble is no longer repeated for prior art here.

In addition, for improving diffuser plate shading nature inspection effect, all be equipped with reflective paper on the top surface of bottom plate 11 and the internal face of curb plate 12, effectively utilize 2 lights of lamp pearl.

In order to be suitable for diffuser plate detection with different formats, a plurality of backlight boxes 1 can be combined to detect a large-format diffuser plate, specifically, the top of each backlight box is rectangular, and the length of the long side of each rectangular is 2 times that of the short side of each rectangular.

Working process

Firstly, the telescopic rod 3 is pulled or pressed, the heights of the four lamp beads 2 are adjusted, the heights of the four lamp beads 2 are consistent, then the diffusion plate covers the backlight box 1 and detects the light shading performance of the backlight box, recording is carried out, when the distance between the lamp beads 2 and the diffusion plate needs to be adjusted, the telescopic rod 3 is pulled or pressed again, the heights of the four lamp beads 2 are adjusted to be consistent again, the diffusion plate covers the backlight box 1 again to detect the light shading performance of the backlight box 1, and therefore the detection of the light shading performance of the diffusion plate under a plurality of backlight OD values can be achieved on the same detection jig.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modifications or variations based on the present invention are all within the scope of the present invention as claimed.

Claims

1. The utility model provides a diffuser plate screening nature inspection tool with adjustable, its characterized in that, includes backlight box (1) and a plurality of lamp pearl (2), backlight box (1) includes bottom plate (11) and encloses a plurality of curb plate (12) of locating bottom plate (11) side, and lamp pearl (2) are located in backlight box (1) and height-adjustable ground is connected on bottom plate (11).

2. The adjustable diffuser plate shading inspection jig of claim 1, wherein the lamp beads (2) are connected to the bottom plate (11) through telescopic rods (3).

3. The adjustable diffuser plate shielding test fixture according to claim 2, wherein the telescopic rod (3) comprises an outer cylinder (31) fixed on the bottom plate (11) and an inner cylinder (32) sleeved in the outer cylinder (31), the outer wall surface of the inner cylinder (32) is symmetrically provided with limiting protrusions, the inner wall surface of the outer cylinder (31) is provided with limiting concave parts matched with the limiting protrusions, and the limiting protrusions can be accommodated in different limiting concave parts to adjust the length of the telescopic rod (3).

4. The adjustable diffusion plate shadowing inspection jig of claim 1, wherein the lamp beads (2) are connected to the base plate by pogo pins, the pogo pins are downward bonded to the base plate (11) to be detachably connected, and the pogo pins are upward bonded to bottom surfaces of the lamp beads (2) to be detachably connected.

5. The adjustable inspection jig for the shielding property of a diffusion plate according to any one of claims 1 to 4, wherein reflective paper is provided on both the top surface of the bottom plate (11) and the inner wall surface of the side plate (12).

6. The adjustable diffuser plate shading inspection jig according to claim 5, wherein the plurality of lamp beads (2) are connected with a power supply in series or in parallel, and through holes for passing power supply lines are formed on the side plates (12).

7. The adjustable diffuser plate shading inspection jig according to claim 5, wherein the top surface of the backlight box (1) is rectangular, and the length of the long side of the rectangle is an integral multiple of the length of the short side of the rectangle.