CN220709496U

CN220709496U - Backlight brightness detection device

Info

Publication number: CN220709496U
Application number: CN202322491492.6U
Authority: CN
Inventors: 陈雅琨
Original assignee: Shenzhen Magic Technology Co ltd
Current assignee: Shenzhen Magic Technology Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-02
Anticipated expiration: 2033-09-14

Abstract

The utility model relates to backlight brightness detection equipment, which comprises two support plates, wherein a bottom plate is fixedly connected between the two support plates, a light-emitting assembly is fixedly arranged on the top surface of the bottom plate, a connecting rod with one end penetrating and extending to the right side of the left side surface of the support plate positioned at the left side is movably connected with the left side surface of the support plate positioned at the right side through a bearing, a driving rod with one end penetrating and extending to the right side of the support plate positioned at the right side is movably connected with the left side surface of the support plate positioned at the right side through a bearing, one side surface opposite to the driving rod and the connecting rod is fixedly connected with a fixed plate, two fixed frames are arranged between the two fixed plates, and a diffusion plate unit is arranged between the two fixed frames. This luminance check out test set in a poor light under the effect through actuating lever and connecting rod, drives diffuser plate single element upset, detects diffuser plate unit multi-angle, improves the accuracy that detects, supports splint under the effect through the spring, and convenient fixes diffuser plate unit, improves diffuser plate unit's stability.

Description

Backlight brightness detection device

Technical Field

The utility model relates to the technical field of detection, in particular to backlight brightness detection equipment.

Background

The defect detection refers to a detection technology aiming at the surface defects of a workpiece, and the defect detection of the workpiece is realized through the cooperation of a light source and a camera, wherein when the defect detection is carried out on a liquid crystal display, a backlight source is mostly selected as the light source, and the backlight source is a light source positioned behind the liquid crystal display, and the luminous effect of the backlight source directly influences the visual effect of a liquid crystal display module.

Chinese patent CN 218180650U discloses a side-stretching backlight device and detection equipment, and this patent discloses that detection equipment can avoid diffuser plate unit to be concave deformation's technical scheme because of dead weight under the prerequisite that does not reduce backlight luminance, has solved the backlight among the prior art problem of being concave deformation because of the dead weight.

However, when the device is used, the diffusion plate unit is stretched through the second connecting part, so that the diffusion plate unit is stretched and tightened, and the locking piece fixes the diffusion plate unit, so that the diffusion plate unit cannot be overturned, the diffusion plate unit cannot be detected at multiple angles, the detection accuracy is reduced, and the backlight brightness detection equipment is provided for solving the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides backlight brightness detection equipment which has the advantage of driving a diffusion plate unit to turn over, and solves the problems that the diffusion plate unit is stretched and tightened through a second connecting part and fixed by a locking piece, so that the diffusion plate unit cannot be turned over, the diffusion plate unit cannot be detected at multiple angles and the detection accuracy is reduced when the device is used.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the backlight brightness detection device comprises two supporting plates, wherein a bottom plate is fixedly connected between the two supporting plates, and a light-emitting component is fixedly arranged on the top surface of the bottom plate.

The left side that is located the left side the backup pad has one end to run through and extend to its right connecting rod through bearing swing joint, the left side that is located the right side the backup pad has one end to run through and extend to its right actuating lever through bearing swing joint, the equal fixed connection fixed plate of a side that actuating lever and connecting rod are relative, two the mount that has placed between the fixed plate is two in quantity, two place the diffuser plate unit between the mount.

And a connecting component is arranged between the two fixing plates and used for connecting the fixing frames.

The support plate on the left side is provided with a fixing component for fixing the connecting rod.

Further, both ends of the diffusion plate unit extend to the inside of the two fixing frames respectively, and a handle is fixedly installed on the peripheral wall of the driving rod.

Further, coupling assembling is including the bracing piece that is two in quantity, two the bracing piece passes through the bearing and rotates respectively to be connected on the side that two fixed plates are relative, two equal swing joint of side that the bracing piece is relative has one end to run through and extend to its inside screw rod, two respectively with two mount fixed connection, two the equal fixedly connected with telescopic link of interior roof and interior diapire of mount, two that are located the homonymy the equal fixedly connected with splint of side that the telescopic link is relative, two that are located the homonymy the equal cover of peripheral wall of telescopic link is equipped with respectively with mount and splint fixed connection's spring.

Further, threaded holes are formed in one side face, opposite to the two supporting rods, of each supporting rod, and the two threaded rods penetrate through and extend to the inner portions of the two threaded holes respectively and are in threaded connection with the threaded holes.

Further, the two fixing frames are U-shaped frames, the two fixing frames are distributed relatively, and the clamping plates are attached to the diffusion plate unit.

Further, the telescopic link comprises cover storehouse and motion pole, and motion pole one end runs through and extends to the inside in cover storehouse, and the outside fixedly connected with of motion pole is located the inside limiting block in cover storehouse, and the through-hole with motion pole looks adaptation is seted up to one side in cover storehouse, through being provided with limiting block, has prevented that the motion pole breaks away from with the cover storehouse in the motion process.

Further, fixed subassembly includes the gag lever post, gag lever post fixed connection is on the left surface of left side backup pad, the top surface fixedly connected with limiting plate of gag lever post, the connecting hole has been seted up to the right flank of limiting plate, the connecting rod extends to the inside of connecting hole, the fixed cover of periphery wall of connecting rod is equipped with the rubber circle.

Further, the shape of the limiting rod is an L-shaped elastic rod, and the rubber ring is tightly attached to the connecting hole.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. according to the backlight brightness detection equipment, under the action of the driving rod and the connecting rod, the diffusion plate unit is driven to turn over, the diffusion plate unit is detected at multiple angles, the detection accuracy is improved, the clamping plate is supported under the action of the spring, the diffusion plate unit is conveniently fixed, and the stability of the diffusion plate unit is improved;

2. this luminance check out test set in a poor light, threaded connection through between screw rod and the bracing piece satisfies as far as possible and carries out the centre gripping to not unidimensional diffuser plate unit fixed, improves the practicality, under the effect through the rubber circle, restricts the connecting rod, improves diffuser plate unit's stability, simultaneously, under the effect through the gag lever post, drives the fixed plate and removes, makes things convenient for the staff to operate.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

fig. 3 is an enlarged schematic view of the internal structure of the fixing plate in the structure of the present utility model.

In the figure: 1 supporting plate, 2 handles, 3 driving rods, 4 fixed plates, 5 supporting rods, 6 fixing frames, 7 screw rods, 8 diffusion plate units, 9 connecting rods, 10 connecting holes, 11 limiting plates, 12 rubber rings, 13 limiting rods, 14 bottom plates, 15 luminous assemblies, 16 clamping plates, 17 telescopic rods and 18 springs.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: referring to fig. 1-3, the backlight brightness detection apparatus in the present embodiment includes two support plates 1, a bottom plate 14 is fixedly connected between the two support plates 1, and a light emitting component 15 is fixedly mounted on the top surface of the bottom plate 14.

The left side face of the support plate 1 positioned on the left side is movably connected with a connecting rod 9 with one end penetrating through and extending to the right side of the support plate through a bearing, the left side face of the support plate 1 positioned on the right side is movably connected with a driving rod 3 with one end penetrating through and extending to the right side of the support plate through a bearing, one side face, opposite to the connecting rod 9, of the driving rod 3 is fixedly connected with a fixing plate 4, two fixing frames 6 with the number being two are placed between the two fixing plates 4, and a diffusion plate unit 8 is placed between the two fixing frames 6.

Wherein, the both ends of diffuser plate unit 8 extend to the inside of two mounts 6 respectively, and the periphery wall fixed mounting of actuating lever 3 has handle 2.

It should be noted that, the diffusion plate unit 8 and the light emitting assembly 15 are conventional devices known to the public in the prior art, and specific structures and working principles thereof are not described herein.

Specifically, the handle 2 is turned, so that the driving rod 3 rotates to drive the fixing frame 6 to overturn, the connecting rod 9 supports the left fixing frame 6, the diffusion plate unit 8 is driven to overturn, the light emitting assembly 15 is started, and the diffusion plate unit 8 is detected.

Embodiment two: referring to fig. 1-3, on the basis of the first embodiment, a connecting assembly is disposed between two fixing plates 4, the connecting assembly includes two supporting rods 5, the two supporting rods 5 are respectively rotatably connected to opposite sides of the two fixing plates 4 through bearings, a screw rod 7 with one end penetrating through and extending to the inside is movably connected to the opposite side of the two supporting rods 5, the two screw rods 7 are respectively fixedly connected with two fixing frames 6, telescopic rods 17 are respectively fixedly connected to inner top walls and inner bottom walls of the two fixing frames 6, clamping plates 16 are respectively fixedly connected to opposite sides of the two telescopic rods 17 on the same side, and springs 18 respectively fixedly connected with the fixing frames 6 and the clamping plates 16 are respectively sleeved on outer peripheral walls of the two telescopic rods 17 on the same side.

The screw holes are formed in the opposite side surfaces of the two support rods 5, the two screw rods 7 penetrate through and extend to the interiors of the two screw holes respectively and are in threaded connection with the screw holes, the two fixing frames 6 are U-shaped frames, the two fixing frames 6 are distributed oppositely, the clamping plates 16 are attached to the diffusion plate unit 8, the telescopic rods 17 are composed of a sleeve bin and a moving rod, one end of the moving rod penetrates through and extends to the interior of the sleeve bin, limiting blocks located in the sleeve bin are fixedly connected to the outer side of the moving rod, through holes matched with the moving rod are formed in one side of the sleeve bin, and the limiting blocks are arranged to prevent the moving rod from being separated from the sleeve bin in the moving process.

Specifically, grasp mount 6, rotate bracing piece 5, make bracing piece 5 rotatory, through the threaded connection between bracing piece 5 and the screw rod 7, drive mount 6 and remove, adjust the interval between the mount 6, after adjusting, and then pulling splint 16 makes splint 16 remove, extrudees telescopic link 17 and spring 18, places diffuser plate unit 8 into the inside of mount 6, loosens splint 16, through the elasticity of spring 18, promotes splint 16 to reset, fixes diffuser plate unit 6.

Embodiment III: referring to fig. 1-3, on the basis of the first embodiment and the second embodiment, a fixing component is arranged on the support plate 1 positioned at the left side, the fixing component comprises a limiting rod 13, the limiting rod 13 is fixedly connected to the left side surface of the left support plate 1, a limiting plate 11 is fixedly connected to the top surface of the limiting rod 13, a connecting hole 10 is formed in the right side surface of the limiting plate 11, a connecting rod 9 extends to the inside of the connecting hole 10, and a rubber ring 12 is fixedly sleeved on the peripheral wall of the connecting rod 9.

Wherein, the shape of the limiting rod 13 is an L-shaped elastic rod, and the rubber ring 12 is tightly attached to the connecting hole 10.

Specifically, the limiting plate 11 is pulled, the limiting plate 11 moves leftwards under the action of the limiting rod 13, the limiting plate 11 is separated from the connecting rod 9, the rubber ring 12 is separated from the connecting hole 10, and the connecting rod 9 is not fixed any more.

The working principle of the embodiment is as follows:

the fixing frame 6 is grasped, the supporting rod 5 is rotated, the fixing frame 6 is driven to move through threaded connection between the supporting rod 5 and the screw rod 7, the distance between the fixing frames 6 is adjusted, after adjustment is finished, the clamping plate 16 is pulled, the clamping plate 16 is moved, the telescopic rod 17 and the spring 18 are extruded, the diffusion plate unit 8 is placed into the fixing frame 6, the clamping plate 16 is loosened, the clamping plate 16 is pushed to reset through the elasticity of the spring 18, the diffusion plate unit 6 is fixed, the light-emitting assembly 15 is started, the diffusion plate unit 8 is detected, when the diffusion plate unit 8 needs to be overturned, the limiting plate 11 is pulled, the limiting plate 11 is moved leftwards under the action of the limiting rod 13, the limiting plate 11 is separated from the connecting rod 9, the driving rod 3 is rotated, the fixing frame 6 is driven to overturn under the action of the fixing plate 4 and the supporting rod 5, and the left fixing frame 6 is supported by the connecting rod 9, and the diffusion plate unit 8 is driven to overturn.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Backlight brightness detection equipment, including backup pad (1) that is two in quantity, its characterized in that: a bottom plate (14) is fixedly connected between the two supporting plates (1), and a light-emitting component (15) is fixedly arranged on the top surface of the bottom plate (14);

the left side surface of the supporting plate (1) positioned at the left side is movably connected with a connecting rod (9) with one end penetrating through and extending to the right side of the connecting rod through a bearing, the left side surface of the supporting plate (1) positioned at the right side is movably connected with a driving rod (3) with one end penetrating through and extending to the right side of the driving rod through a bearing, one side surface of the driving rod (3) opposite to the connecting rod (9) is fixedly connected with a fixed plate (4), two fixed frames (6) with the number of two are arranged between the two fixed plates (4), and a diffusion plate unit (8) is arranged between the two fixed frames (6);

a connecting component is arranged between the two fixing plates (4), and a fixing component is arranged on the left supporting plate (1).

2. The backlight brightness detecting apparatus according to claim 1, wherein: two ends of the diffusion plate unit (8) extend to the interiors of the two fixing frames (6) respectively, and a handle (2) is fixedly arranged on the peripheral wall of the driving rod (3).

3. The backlight brightness detecting apparatus according to claim 1, wherein: the connecting assembly comprises two supporting rods (5), wherein the two supporting rods (5) are respectively connected to one side face opposite to the two fixing plates (4) in a rotating mode through bearings, one side face opposite to the supporting rods (5) is movably connected with a screw rod (7) with one end penetrating through and extending to the inside of the screw rod, the two screw rods (7) are respectively fixedly connected with two fixing frames (6), the inner top wall and the inner bottom wall of each fixing frame (6) are respectively fixedly connected with a telescopic rod (17), one side face opposite to the telescopic rods (17) is fixedly connected with a clamping plate (16), and the outer peripheral wall of each telescopic rod (17) is sleeved with a spring (18) which is respectively fixedly connected with the fixing frame (6) and the clamping plate (16).

4. A backlight brightness detecting apparatus according to claim 3, wherein: threaded holes are formed in one side face, opposite to the supporting rods (5), of each supporting rod, and the two threaded rods (7) penetrate through and extend to the inner portions of the two threaded holes respectively and are in threaded connection with the threaded holes.

5. The backlight brightness detecting apparatus according to claim 4, wherein: the two fixing frames (6) are U-shaped frames, the two fixing frames (6) are distributed oppositely, and the clamping plates (16) are attached to the diffusion plate unit (8).

6. The backlight brightness detecting apparatus according to claim 5, wherein: the telescopic rod (17) is composed of a sleeve bin and a moving rod, one end of the moving rod penetrates through and extends to the inside of the sleeve bin, the outer side of the moving rod is fixedly connected with a limiting block located in the sleeve bin, a penetrating hole matched with the moving rod is formed in one side of the sleeve bin, and the limiting block is arranged to prevent the moving rod from being separated from the sleeve bin in the moving process.

7. A backlight brightness detecting apparatus according to claim 3, wherein: the fixing assembly comprises a limiting rod (13), the limiting rod (13) is fixedly connected to the left side face of the left side supporting plate (1), a limiting plate (11) is fixedly connected to the top face of the limiting rod (13), a connecting hole (10) is formed in the right side face of the limiting plate (11), the connecting rod (9) extends to the inside of the connecting hole (10), and a rubber ring (12) is fixedly sleeved on the peripheral wall of the connecting rod (9).

8. The backlight brightness detecting apparatus according to claim 7, wherein: the limiting rod (13) is an L-shaped elastic rod, and the rubber ring (12) is tightly attached to the connecting hole (10).