Backlight detection device of display screen backlight source

Abstract

The utility model discloses a backlight detection device for a display screen backlight source, which comprises a detection device main body, a detection lens is mounted above the detection device main body, mounting mechanisms are mounted on two sides above the detection device main body, and pushing mechanisms are inserted into the mounting mechanisms. The end of the pushing mechanism is fixedly connected with an adjusting mechanism, and a clamping mechanism is installed in the adjusting mechanism. By rotating the adjusting screw rod, the two sets of movable sliding blocks can conveniently move along the surface of the adjusting screw rod, the distance between the two sets of clamping frames can be conveniently adjusted, meanwhile, the guide column can slide along the interior of the guide back plate by pressing the fixing disc, and therefore the distance between the two sets of guide frames can be conveniently adjusted; display screens of different sizes can be conveniently clamped and limited by the clamping frame, so that the display screens can be limited above the detection device main body for dead-corner-free backlight detection.

Description

Technical Field

[0001] The utility model relates to the technical field of display screen detection, in particular to a backlight detection device for a display screen backlight source. Background Art

[0002] The backlight is a light source located behind the liquid crystal display. Its luminous effect will directly affect the visual effect of the liquid crystal display module. The liquid crystal display itself does not emit light, it displays graphics or the result of its light modulation. Currently, the backlight of the display needs to be tested after production.

[0003] For example, the patent publication number is CN218600820U, and the backlight detection device of the liquid crystal display includes a detection platform, a backlight, a detection lens, a storage platform for placing the liquid crystal display and an adjustment mechanism for adjusting the position angle of the backlight. The adjustment mechanism includes a rotating gear ring, a driving structure for driving the rotating gear ring to rotate, a rack and a sliding structure. The rotating gear ring is rotatably installed on the upper port of the detection platform, and the rack is connected to the bottom of the rotating gear ring. The sliding structure is sleeved on the outside of the rack, and the sliding structure can slide along the rack. The sliding structure is connected to the backlight by a clamping structure, and the clamping structure is used to disassemble and assemble the backlight. The adjustment mechanism in the present invention can drive the backlight to adjust the lighting angle and lighting position, so as to realize the effect of detecting the display screen under the illumination of backlight at different angles, which is beneficial to improve the sufficiency and completeness of backlight detection, and thus improve the detection effect. However, when the above-mentioned detection device is in use, it will be supported and placed by a storage table, so that when the display screen backlight source is detected, the storage table cannot be transparent, resulting in the existence of a detection blind spot. For this reason, we propose a backlight detection device for a display screen backlight source to solve the above-mentioned problem. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a backlight detection device for a display screen backlight source.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A backlight detection device for a display screen backlight source includes a detection device body, a detection lens is installed on the top of the detection device body, mounting mechanisms are installed on both sides of the top of the detection device body, and a pushing mechanism is inserted inside the mounting mechanism, the end of the pushing mechanism is fixedly connected to an adjustment mechanism, and a clamping mechanism is installed inside the adjustment mechanism.

[0007] Preferably, the mounting mechanism includes a mounting backplate, the upper surface of the detection device body is fitted with the mounting backplate, and limiting bolts are inserted on both sides of the mounting backplate, and a guide backplate is fixedly connected to the surface of the mounting backplate, and the mounting backplate and the guide backplate can be easily disassembled and installed through the limiting bolts.

[0008] Preferably, the pushing mechanism comprises a guide column, the guide back plate is inserted with the guide column, and the outer end of the guide column is fixedly connected with a fixing plate, so that the guide column can be pushed conveniently through the fixing plate.

[0009] Preferably, the guide back plate is configured to be L-shaped, and a circular hole adapted to the guide column is opened inside the top end of the guide back plate. The surface diameter of the fixed disk is larger than the surface diameter of the guide column. By configuring the guide column to be cylindrical, the wear between the guide back plate and the guide back plate can be reduced.

[0010] Preferably, two groups of guide slide bars are symmetrically arranged on the surface of the guide column, and a slide groove matched with the guide slide bar is opened on the inner wall of the circular hole, so that the guide column can be conveniently limited by the guide slide bar.

[0011] Preferably, the adjustment mechanism includes a guide frame, the inner end of the guide column is fixedly connected to the guide frame, and an adjusting screw is installed inside the guide frame through a bearing, a movable slider is threadedly sleeved on the surface of the adjusting screw, and a positioning frame is fixedly connected to the outer end of the movable slider, and the movable slider is threadedly connected to the adjusting screw, so that the movable slider can move along the surface of the adjusting screw when the adjusting screw rotates.

[0012] Preferably, the surface of the adjusting screw is provided with opposing external threads, and the interior of the guide frame is provided with a strip groove adapted to the movable slider, and the two groups of movable sliders can move relative to each other along its surface through the opposing external threads symmetrically arranged on the surface of the adjusting screw.

[0013] Preferably, the clamping mechanism includes a pushing screw, which is threadedly inserted into the upper part of the positioning frame, and the bottom end of the pushing screw is installed in the extrusion disk through a bearing. The pushing screw is threadedly inserted into the positioning frame, so that the pushing screw can move in the positioning frame when the pushing screw is rotated.

[0014] Preferably, the cross-section of the positioning frame is set to be U-shaped, the cross-section of the extrusion disk is set to be rectangular, and one side of the extrusion disk is in conflict with the inner wall of the positioning frame. By setting the cross-section of the positioning frame to be U-shaped, the display backlight source can be easily inserted.

[0015] Preferably, a first buffer pad is glued to the bottom of the extrusion plate, and a second buffer pad is glued to the lower inner wall of the clamping frame. The first buffer pad and the second buffer pad are provided with anti-slip grooves on opposite sides. By providing anti-slip grooves on opposite sides of the first buffer pad and the second buffer pad, the clamping stability of the first buffer pad and the second buffer pad can be increased.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The device can conveniently move the two sets of movable sliders along the surface thereof by rotating the adjusting screw, so as to facilitate the adjustment of the spacing between the two sets of positioning frames. Meanwhile, by pressing the fixing plate, the guide column can slide along the inside of the guide back plate, so as to facilitate the adjustment of the spacing between the two sets of guide frames, so that the positioning frames can conveniently clamp and limit display screens of different sizes, so that the display screen can be limited above the main body of the detection device for backlight detection without dead angles.

[0018] 2. The device can conveniently install the guide back plate as a whole on both sides of the detection device body by installing the limit bolts inserted inside the back plate. At the same time, by turning the push screw, the extrusion plate can move to the bottom of the first buffer pad along the inside of the second buffer pad. Through the cooperation of the extrusion plate and the positioning frame, the display screen can be pressed and limited in the positioning frame, and the first buffer pad and the second buffer pad can play a role of buffering protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional schematic diagram of a backlight detection device for a display screen backlight source proposed by the utility model;

[0020] Figure 2 for Figure 1 A three-dimensional bottom view of the guide back plate and the guide frame structure;

[0021] Figure 3 for Figure 1 A three-dimensional exploded schematic diagram of the guide back plate and guide column structure;

[0022] Figure 4 for Figure 1 A three-dimensional exploded diagram of the guide frame and the positioning frame structure.

[0023] In the figure: 1. detection device body; 2. detection lens;

[0024] 3. Installation mechanism; 31. Installation back plate; 32. Limit bolts; 33. Guide back plate;

[0025] 4. Pushing mechanism; 41. Guide column; 42. Fixed plate; 43. Guide slide bar;

[0026] 5. Adjustment mechanism; 51. Guide frame; 52. Adjustment screw; 53. Moving slider; 54. Positioning frame;

[0027] 6. Clamping mechanism; 61. Pushing screw; 62. Extrusion disk; 63. First buffer pad; 64. Second buffer pad. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Reference Figure 1-4 A backlight detection device for a display screen backlight source includes a detection device body 1, a detection lens 2 is installed above the detection device body 1, mounting mechanisms 3 are installed on both sides of the upper side of the detection device body 1, and a pushing mechanism 4 is inserted inside the mounting mechanism 3, and the distance between two groups of adjustment mechanisms 5 can be conveniently adjusted through the pushing mechanism 4, the end of the pushing mechanism 4 is fixedly connected to the adjustment mechanism 5, and a clamping mechanism 6 is installed inside the adjustment mechanism 5.

[0030] Further, see Figure 2 and Figure 3 It can be known that the mounting mechanism 3 includes a mounting back plate 31, the upper surface of the detection device body 1 is attached with the mounting back plate 31, and limiting bolts 32 are inserted on both sides of the mounting back plate 31, and the surface of the mounting back plate 31 is fixedly connected with a guide back plate 33, and the limiting bolts 32 can facilitate the installation of the mounting back plate 31.

[0031] Further, see Figure 2 and Figure 3 It can be known that the pushing mechanism 4 includes a guide column 41, the guide column 41 is inserted into the inside of the guide back plate 33, and the outer end of the guide column 41 is fixedly connected to a fixed plate 42. The fixed plate 42 can facilitate the movement of the guide column 41 in the guide back plate 33, and the spacing between the two sets of adjustment mechanisms 5 can be controlled.

[0032] Further, see Figure 3 and Figure 4 It can be known that the guide back plate 33 is set to be L-shaped, and a circular hole compatible with the guide column 41 is opened inside the top end of the guide back plate 33, and the surface diameter of the fixed plate 42 is larger than the surface diameter of the guide column 41. The guide column 41 can be telescopically moved in the circular hole through the circular hole opened inside the top end of the guide back plate 33, and the surface diameter of the fixed plate 42 is larger than the surface diameter of the guide column 41, so that the guide column 41 can be conveniently limited.

[0033] Further, see Figure 2 and Figure 3It can be seen that two groups of guide slides 43 are symmetrically arranged on the surface of the guide column 41, and a slide groove compatible with the guide slide 43 is opened on the inner wall of the circular hole. Through the movement of the guide column 41, the guide slide 43 can slide in the slide groove, playing the role of limiting and guiding the movement of the guide column 41.

[0034] Further, see Figure 2 and Figure 4 It can be known that the adjustment mechanism 5 includes a guide frame 51, the inner end of the guide column 41 is fixedly connected to the guide frame 51, and the inside of the guide frame 51 is installed with an adjusting screw 52 through a bearing, the surface of the adjusting screw 52 is threadedly sleeved with a movable slider 53, and the outer end of the movable slider 53 is fixedly connected to a positioning frame 54. By installing the adjusting screw 52 with a bearing, the adjusting screw 52 can be easily rotated inside the guide frame 51.

[0035] Further, see Figure 2 and Figure 4 It can be known that the surface of the adjusting screw 52 is provided with opposing external threads, and the inside of the guide frame 51 is provided with a strip groove adapted to the movable slider 53. The strip groove provided inside the guide frame 51 can limit and guide the movable slider 53.

[0036] Further, see Figure 2 and Figure 4 It can be known that the clamping mechanism 6 includes a pushing screw 61, and the pushing screw 61 is threadedly inserted on the upper part of the positioning frame 54, and the bottom end of the pushing screw 61 is installed in the extrusion plate 62 through a bearing. By installing the pushing screw 61 and the extrusion plate 62 in the bearings, the extrusion plate 62 can be pushed to move when the pushing screw 61 is rotated.

[0037] Further, see Figure 2 and Figure 4 It can be known that the cross-section of the positioning frame 54 is set to be U-shaped, the cross-section of the extrusion plate 62 is set to be rectangular, and one side of the extrusion plate 62 is in conflict with the inner wall of the positioning frame 54. By making one side of the extrusion plate 62 in conflict with the inner wall of the positioning frame 54, the pushing screw 61 can easily push the extrusion plate 62 to move in the positioning frame 54.

[0038] Further, see Figure 2 and Figure 4 It can be known that a first buffer pad 63 is glued to the bottom of the extrusion plate 62, and a second buffer pad 64 is glued to the lower inner wall of the positioning frame 54. The first buffer pad 63 and the second buffer pad 64 have anti-slip grooves on the opposite sides. The first buffer pad 63 and the second buffer pad 64 are clamped on the surface of the backlight source of the display screen to play a buffering and protective role.

[0039] Working principle: When the utility model is in use, when the detection device body 1 is in use, according to the attached Figure 1 , Attachment Figure 2 , Attachment Figure 3 and attached Figure 4 , by passing the limiting bolts 32 through the mounting back plate 31 and inserting them into the detection device body 1, the guide back plate 33 can be installed on both sides of the detection device body 1. When the display screen needs to be detected, by rotating the adjusting screw 52, ​​the two groups of movable sliders 53 can be relatively moved along its surface. By moving the movable slider 53, the two groups of positioning frames 54 can be moved closer to or farther away from each other. When the spacing between the two groups of positioning frames 54 is adjusted to be the same as the width of the tested display screen, and the fixed plate 42 is pushed, the guide column 41 can drive the guide slide bar 43 to move inside the guide back plate 33, so that the spacing between the two groups of guide frames 51 can be adjusted. At this time, the display screen is placed in the four groups of positioning frames 54, and the pushing screw 61 is rotated, so that the pushing screw 61 can drive the extrusion plate 62 to be pressed on the surface of the display screen. At this time, it is convenient to clamp the display screen between the two groups of guide frames 51, so as to facilitate the backlight detection of the display screen;

[0040] The above is the entire working principle of the utility model.

[0041] In the present invention, the installation method, connection method or setting method of all the components mentioned above are common mechanical methods, and the specific structures, models and coefficient indicators of all its components are its own technology. As long as it can achieve its beneficial effects, it can be implemented, so it will not be elaborated.

[0042] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

[0043] In the present utility model, unless otherwise stated, the directional words contained in the terms such as "up, down, left, right, front, back, inside, outside, vertical, horizontal" only represent the orientation of the term in normal use, or are common names understood by those skilled in the art, and should not be regarded as limitations on the term. At the same time, number series nouns such as "first", "second" and "third" do not represent specific quantities and orders, but are merely used to distinguish names. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A backlight detection device for a display screen backlight source, comprising a detection device body (1), It is characterized in that A detection lens (2) is installed above the detection device body (1), mounting mechanisms (3) are installed on both sides above the detection device body (1), and a pushing mechanism (4) is inserted inside the mounting mechanism (3), the end of the pushing mechanism (4) is fixedly connected to the adjustment mechanism (5), and a clamping mechanism (6) is installed inside the adjustment mechanism (5).

2. A backlight detection device for a display screen backlight source according to claim 1, It is characterized in that The mounting mechanism (3) comprises a mounting back plate (31), the upper surface of the detection device body (1) is fitted with the mounting back plate (31), and limiting bolts (32) are inserted on both sides of the mounting back plate (31), and the surface of the mounting back plate (31) is fixedly connected with a guide back plate (33).

3. A backlight detection device for a display screen backlight source according to claim 2, It is characterized in that The pushing mechanism (4) comprises a guide column (41), the guide column (41) is inserted into the interior of the guide back plate (33), and the outer end of the guide column (41) is fixedly connected to a fixing plate (42).

4. The backlight detection device for a display screen backlight source according to claim 3, It is characterized in that The guide back plate (33) is configured to be L-shaped, and a circular hole matching the guide column (41) is provided inside the top end of the guide back plate (33), and the surface diameter of the fixing plate (42) is larger than the surface diameter of the guide column (41).

5. A backlight detection device for a display screen backlight source according to claim 4, It is characterized in that Two groups of guide slide bars (43) are symmetrically arranged on the surface of the guide column (41), and a slide groove matching the guide slide bars (43) is opened on the inner wall of the circular hole.

6. The backlight detection device for a display screen backlight source according to claim 3, It is characterized in that The adjustment mechanism (5) comprises a guide frame (51), the inner end of the guide column (41) is fixedly connected to the guide frame (51), and an adjustment screw (52) is installed inside the guide frame (51) via a bearing, a movable slider (53) is threadedly sleeved on the surface of the adjustment screw (52), and a positioning frame (54) is fixedly connected to the outer end of the movable slider (53).

7. A backlight detection device for a display screen backlight source according to claim 6, It is characterized in that The surface of the adjusting screw rod (52) is provided with opposing external threads, and the interior of the guide frame (51) is provided with a strip-shaped groove matched with the moving slider (53).

8. The backlight detection device for a display screen backlight source according to claim 6, It is characterized in that The clamping mechanism (6) comprises a pushing screw (61), the pushing screw (61) is threadedly inserted on the upper side of the clamping frame (54), and the bottom end of the pushing screw (61) is installed in the extrusion disk (62) through a bearing.

9. The backlight detection device for a display screen backlight source according to claim 8, It is characterized in that The cross section of the locking frame (54) is set to be U-shaped, the cross section of the extrusion disk (62) is set to be rectangular, and one side of the extrusion disk (62) is in conflict with the inner wall of the locking frame (54).

10. The backlight detection device for a display screen backlight source according to claim 8, It is characterized in that A first buffer pad (63) is glued to the bottom of the extrusion plate (62), and a second buffer pad (64) is glued to the inner wall below the positioning frame (54). The first buffer pad (63) and the second buffer pad (64) are both provided with anti-slip grooves on opposite sides.

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