CN219039513U

CN219039513U - Backlight module detection device

Info

Publication number: CN219039513U
Application number: CN202222994707.1U
Authority: CN
Inventors: 沈鹏; 李海东; 尹泽勇
Original assignee: Shenzhen Haichenxing Technology Co ltd
Current assignee: Shenzhen Haichenxing Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-05-16
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a backlight module detection device, which comprises a workbench, wherein a top plate is arranged right above the workbench, four rectangular struts are fixedly connected to the lower end of the top plate, the lower ends of the struts are fixedly connected with the upper end of the workbench, a lifting plate is arranged between the top plate and the workbench, a guide mechanism is arranged between the lifting plate and the struts, the lower end of the lifting plate is fixedly connected with a brightness sensor, the front surface of the lifting plate is fixedly connected with a display screen, the upper end of the lifting plate is fixedly connected with a processor, the output end of the processor is connected with the input end of the display screen, the input end of the processor is connected with the output end of the brightness sensor, and the upper end of the lifting plate is rotationally connected with a screw rod. The utility model can automatically detect the brightness of the backlight module on the workbench, thereby reducing the labor intensity, improving the detection efficiency, and can perform lifting adjustment so as to meet the use requirements of backlight modules of different models.

Description

Backlight module detection device

Technical Field

The utility model relates to the technical field of detection, in particular to a backlight module detection device.

Background

The backlight module is one of the key components of the liquid crystal display panel. The function is to provide a light source with sufficient brightness and uniform distribution so that it can display images normally, and the backlight source is a light source for providing an LCD panel. Mainly comprises a light source, a light guide plate, an optical film, a plastic frame and the like. The backlight source has the characteristics of high brightness, long service life, uniform light emission and the like.

At present, the backlight module is required to be subjected to lighting test and brightness detection in the production process, so that the production quality is guaranteed, when the brightness detection is carried out, the backlight module is generally operated by a worker holding the brightness detector, the labor burden of the worker is increased, and the efficiency is required to be improved.

Disclosure of Invention

The utility model aims to solve the problems that in the production process of a backlight module, lighting test and brightness detection are required to be carried out, so that the production quality is ensured, when the brightness detection is carried out, a worker usually holds a brightness detector to carry out operation, the labor burden of the worker is increased, and the efficiency is required to be improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a backlight unit detection device, includes the workstation, be equipped with the roof directly over the workstation, the lower extreme fixedly connected with branch of four rectangle distributions of roof, the lower extreme of branch and the upper end fixed connection of workstation, be equipped with the lifter plate between roof and the workstation, be equipped with guiding mechanism between lifter plate and the branch, the lower extreme fixedly connected with luminance sensor of lifter plate, the positive fixedly connected with display screen of lifter plate, the upper end fixedly connected with treater of lifter plate, the output of treater is connected with the input of display screen, the input of treater is connected with the output of luminance sensor, the upper end rotation of lifter plate is connected with the screw rod, the upper end of roof is equipped with the hollow tank corresponding with the screw rod, the hollow tank is run through to the upper end of screw rod, cup joint the rotary drum on the screw rod, be threaded connection between rotary drum, the upper rotation cup joint fixed disk, the lower extreme of fixed disk and the upper end fixedly connected with of roof, the lower extreme of fixed disk is equipped with corresponding hollow tank to the hollow drive mechanism of rotary drum.

Preferably, the driving mechanism comprises a driven wheel fixedly sleeved on the rotary drum, an object placing groove is formed in the inner wall of the hollow groove, a driving wheel is arranged in the object placing groove, a driving belt is sleeved between the driving wheel and the driven wheel, the upper end of the top plate is fixedly connected with a servo motor, the tail end of an output shaft of the servo motor penetrates through the top plate and is fixedly connected with the driving wheel, and the output shaft of the servo motor is rotationally connected with the top plate.

Preferably, the guiding mechanism comprises a sliding cylinder sleeved on the supporting rod in a sliding way, a connecting rod is fixedly connected to the outer wall of the sliding cylinder, and one end, far away from the sliding cylinder, of the connecting rod is fixedly connected with the lifting plate.

Preferably, a groove is formed in the inner wall of the sliding cylinder, a ball is rotationally connected to the groove, and part of the ball penetrates through the groove.

Preferably, the front of the lifting plate is fixedly connected with a buzzer alarm, and the input end of the buzzer alarm is connected with the output end of the processor.

Preferably, the processor is model SC2410.

The beneficial effects are that:

1. the backlight module is placed on the workbench, then the power supply is connected to carry out lighting test, after lighting, the brightness of the backlight module is detected through the brightness sensor, the detected data are processed by the processor and displayed on the display screen, so that a user can observe brightness data conveniently, and when the brightness is lower than a preset value, a buzzer alarm is started through the processor to give an alarm, and the display screen is convenient for workers to know;

2. because the backlight modules of different types are different in thickness, the heights of the brightness sensors are required to be adjusted for the backlight modules of different thicknesses, at the moment, the servo motor is started to drive the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the driving belt, the driven wheel drives the rotary drum to rotate, the rotary drum drives the screw rod to lift through the action of threaded engagement, the lifting plate is driven by the screw rod to lift, and the brightness sensors are driven to lift through the lifting plate.

Drawings

Fig. 1 is a schematic structural diagram of a backlight module detection device according to the present utility model;

fig. 2 is a schematic diagram of a structure of an a-position of a backlight module detection device according to the present utility model;

fig. 3 is a schematic diagram of a partial top-down structure of a backlight module detection device according to the present utility model;

fig. 4 is a schematic diagram of a control system structure of a backlight module detection device according to the present utility model.

In the figure: the automatic lifting device comprises a workbench, a supporting rod, a lifting plate, a processor, a brightness sensor, a display screen, a screw rod, a buzzer alarm, a connecting rod, a top plate, a sliding cylinder, a rotating cylinder, a driving belt and a servo motor, wherein the lifting plate is arranged on the workbench, the lifting plate is arranged on the supporting rod, the lifting plate is arranged on the lifting plate, the processor is arranged on the lifting plate, the brightness sensor is arranged on the lifting plate, the display screen is arranged on the lifting plate, the screw rod is arranged on the lifting plate, the buzzer alarm is arranged on the lifting plate, the connecting rod is arranged on the lifting plate, the top plate, the sliding cylinder is arranged on the sliding cylinder, the sliding cylinder is arranged on the lifting plate, the lifting plate is arranged on.

Detailed Description

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.

Referring to fig. 1-4, a backlight module detection device comprises a workbench 1, wherein a top plate 10 is arranged right above the workbench 1 and is used for installing a servo motor 15, four rectangular distributed supporting rods 2 are fixedly connected to the lower end of the top plate 10 and are used for supporting the top plate 10, the lower end of each supporting rod 2 is fixedly connected with the upper end of the workbench 1, and a lifting plate 3 is arranged between the top plate 10 and the workbench 1 and is used for driving a brightness sensor 5 to lift;

in this embodiment, a guiding mechanism is arranged between the lifting plate 3 and the supporting rod 2, the guiding mechanism comprises a sliding cylinder 11 which is sleeved on the supporting rod 2 in a sliding way and is used for being matched with a connecting rod 9 to keep the lifting plate 3 to linearly lift, the connecting rod 9 is fixedly connected to the outer wall of the sliding cylinder 11, the lifting plate 3 can drive the connecting rod 9 to move when lifted, the sliding cylinder 11 is driven to move through the connecting rod 9, one end of the connecting rod 9 away from the sliding cylinder 11 is fixedly connected with the lifting plate 3, a groove is arranged on the inner wall of the sliding cylinder 11, a ball is rotationally connected to the groove and used for reducing the resistance when the sliding cylinder 11 moves, and part of the ball penetrates through the groove;

in this embodiment, the lower end of the lifting plate 3 is fixedly connected with a brightness sensor 5 for detecting the brightness of the backlight module, the front surface of the lifting plate 3 is fixedly connected with a display screen 6 for displaying brightness data, the upper end of the lifting plate 3 is fixedly connected with a processor 4, the model of the processor 4 is SC2410 for processing signals and data, the output end of the processor 4 is connected with the input end of the display screen 6, the input end of the processor 4 is connected with the output end of the brightness sensor 5, the front surface of the lifting plate 3 is fixedly connected with a buzzer alarm 8 for giving an alarm to remind workers, and the input end of the buzzer alarm 8 is connected with the output end of the processor 4;

in this embodiment, the upper end of the lifting plate 3 is rotatably connected with a screw rod 7 for driving the lifting plate 3 to lift, the lifting is determined by the direction of the screw rod 7 during rotation, a hollow groove corresponding to the screw rod 7 is arranged at the upper end of the top plate 10, the upper end of the screw rod 7 penetrates through the hollow groove, a rotary drum 12 is sleeved on the screw rod 7 for driving the screw rod 7 to lift, the rotary drum 12 is in threaded connection with the screw rod 7, a fixed disc 13 is rotatably sleeved on the rotary drum 12 for supporting the rotary drum 12, the lower end of the fixed disc 13 is fixedly connected with the upper end of the top plate 10, and the lower end of the rotary drum 12 extends into the hollow groove;

in this embodiment, a driving mechanism corresponding to the rotary drum 12 is disposed in the hollow groove, the driving mechanism includes a driven wheel fixedly sleeved on the rotary drum 12 and used for driving the rotary drum 12 to rotate, a storage groove is disposed on the inner wall of the hollow groove, a driving wheel is disposed in the storage groove and used for driving the driving belt 4 to move and rotate, a driving belt 14 is sleeved between the driving wheel and the driven wheel and used for driving the driven wheel to rotate, a servo motor 15 is fixedly connected to the upper end of the top plate 10 and used for driving the driving wheel to rotate, the tail end of an output shaft of the servo motor 15 penetrates through the top plate 10 and is fixedly connected with the driving wheel, and the output shaft of the servo motor 15 is in rotational connection with the top plate 10;

in this embodiment, the backlight module is placed on the workbench 1, then the power supply is turned on to perform lighting test, after lighting, the brightness of the backlight module is detected by the brightness sensor 5, the detected data is processed by the processor 4 and then displayed on the display screen 6, so that a user can observe the brightness data conveniently, and when the brightness is lower than a preset value, the processor 4 turns on the buzzer alarm 8 to give an alarm, so that the worker can know the brightness conveniently; because the backlight modules of different types are different in thickness, the height of the brightness sensor 5 is required to be adjusted for the backlight modules of different thicknesses, at the moment, the servo motor 15 is started to drive the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the driving belt 14, the driven wheel drives the rotary drum 12 to rotate, the rotary drum 12 drives the screw rod 7 to lift through the action of threaded engagement, the lifting plate 3 is driven to lift through the screw rod 7, and the brightness sensor 5 is driven to lift through the lifting plate 3.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a backlight unit detection device, includes workstation (1), its characterized in that: the utility model discloses a rotary drum, including workstation (1), elevating plate (3), rotary drum (12) and rotary drum (12), be equipped with roof (10) directly over workstation (1), the lower extreme fixedly connected with of roof (10) four rectangular distributions branch (2), the lower extreme of branch (2) is connected with the upper end fixedly connected with of workstation (1), be equipped with lifter plate (3) between roof (10) and workstation (1), be equipped with guiding mechanism between lifter plate (3) and branch (2), the lower extreme fixedly connected with luminance sensor (5) of lifter plate (3), the front fixedly connected with display screen (6) of lifter plate (3), the upper end fixedly connected with treater (4) of lifter plate (3), the output of treater (4) is connected with the input of display screen (6), the input of treater (4) is connected with the output of luminance sensor (5), the upper end rotation of lifter plate (3) is connected with screw rod (7), the upper end of roof (10) is equipped with the hollow groove corresponding with screw rod (7), the upper end of lifter plate (3) is fixedly connected with screw rod (12) in a rotary drum (12) and screw rod (12) are cup jointed, the lower end of the fixed disc (13) is fixedly connected with the upper end of the top plate (10), the lower end of the rotary drum (12) extends into the hollow groove, and a driving mechanism corresponding to the rotary drum (12) is arranged in the hollow groove.

2. The backlight module detection device according to claim 1, wherein: the driving mechanism comprises a driven wheel fixedly sleeved on the rotary drum (12), a storage groove is formed in the inner wall of the hollow groove, a driving wheel is arranged in the storage groove, a driving belt (14) is sleeved between the driving wheel and the driven wheel, a servo motor (15) is fixedly connected to the upper end of the top plate (10), the tail end of an output shaft of the servo motor (15) penetrates through the top plate (10) and is fixedly connected with the driving wheel, and the output shaft of the servo motor (15) is rotationally connected with the top plate (10).

3. The backlight module detection device according to claim 1, wherein: the guide mechanism comprises a sliding cylinder (11) which is sleeved on the supporting rod (2) in a sliding manner, a connecting rod (9) is fixedly connected to the outer wall of the sliding cylinder (11), and one end, far away from the sliding cylinder (11), of the connecting rod (9) is fixedly connected with the lifting plate (3).

4. A backlight module detection apparatus according to claim 3, wherein: the inner wall of the sliding cylinder (11) is provided with a groove, the groove is rotationally connected with a ball, and part of the ball penetrates through the groove.

5. The backlight module detection device according to claim 1, wherein: the front of the lifting plate (3) is fixedly connected with a buzzer alarm (8), and the input end of the buzzer alarm (8) is connected with the output end of the processor (4).

6. The backlight module detection device according to claim 1, wherein: the model of the processor (4) is SC2410.