CN220153851U - Backlight plate uniformity detection device - Google Patents

Abstract

The utility model discloses a backlight uniformity detection device, which belongs to the technical field of backlight detection and comprises a base, wherein a detection platform is fixed on the base, an electrified placing seat is arranged on the detection platform, a support is arranged on the detection platform, a lifting structure is arranged on the support, a lifting frame is arranged at the lower end of the lifting structure, a vision camera is fixed at the lower end of the lifting frame, and a shading structure is arranged on the lifting frame. Through the shading structure that sets up, when carrying out the homogeneity detection of the board in a poor light, can descend the cover to the circular telegram along with the crane of elevation structure lower extreme and place outside the seat, play the effect of shading to the board in a poor light, guarantee the accuracy of testing result, set up adapter sleeve and connecting screw in the shading structure, be convenient for dismantle the shading structure and operate, the setting of removable subassembly, when needs, can dismantle the removable subassembly and give way for the dismantlement to the vision camera is changed succinctly.

Description

Backlight plate uniformity detection device

Technical Field

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

Background

The backlight plate is a light source device for ensuring the brightness emitted from the back of the liquid crystal display screen, and some indexes such as brightness, uniformity and the like of the backlight plate have direct influence on the related performance of the liquid crystal display screen, so that when the backlight plate is produced, various performances of the backlight plate need to be detected, wherein when uniformity is detected, a uniformity detection device needs to be used, and a visual camera is generally adopted for detection.

In the existing detection device for the uniformity of the backlight plate, the backlight plate is electrified after being placed on a detection platform, then the detection of the backlight plate is carried out by using a vision camera, and detection data are transmitted to a computer for analysis, so that uniformity parameters of the backlight plate are obtained. But adopt the visual camera to detect the in-process, owing to do not set up the shading structure, external light source can influence the information acquisition work of visual camera, and then can cause detection error great, in some devices, though be provided with the structure of shading, the fixed setting of shading structure can not dismantle the operation, and the flexibility of use is poor.

Disclosure of Invention

The utility model mainly aims to provide a backlight plate uniformity detection device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a back light plate homogeneity detection device, includes the base, be fixed with testing platform on the base, and be equipped with the circular telegram on the testing platform and place the seat, install the support on the testing platform, and be equipped with elevation structure on the support, the crane is installed to elevation structure's lower extreme, and the lower extreme of crane is fixed with vision camera, install the shading structure on the crane, and the shading structure includes lens hood, adapter sleeve and removable subassembly, fixed connection between lens hood and the adapter sleeve, and the adapter sleeve cover is established on the crane, removable subassembly is connected on the lens hood.

Preferably, the base is provided with a movable door, and an industrial computer is fixed at a position, close to the bracket, on the detection platform.

Preferably, the power-on placing seat is fixedly arranged on the detection platform, and a switch is arranged on the power-on placing seat.

Preferably, the shading structure further comprises a through hole, a connecting screw and a chute, wherein the through hole is formed in the connecting sleeve, the connecting sleeve is sleeved on the lifting frame through the through hole, the connecting screw is arranged on the connecting sleeve, the tail end of the connecting screw is in threaded connection with the lifting frame, the connecting sleeve is fixedly connected with the lifting frame through the connecting screw, and the chute is formed in the shading cover.

Preferably, the detachable component comprises a movable plate, a slide bar, a plug connector and a fixed block, wherein the movable plate is fixedly connected with the slide bar, the slide bar is slidably arranged in the slide groove, the plug connector is fixed at the upper end of the movable plate, the plug connector is clamped with the light shield, and the fixed block is fixed on the outer surface of the lower end of the movable plate.

Compared with the prior art, the utility model has the following beneficial effects: this homogeneity detection device in a poor light, through the shading structure that sets up, when carrying out the homogeneity detection in a poor light, can descend the cover to the circular telegram along with the crane of elevation structure lower extreme and place outside the seat, play the effect of shading to the board in a poor light, guarantee the accuracy of testing result, set up adapter sleeve and connecting screw in the shading structure, be convenient for dismantle the shading structure and operate, the setting of removable subassembly, when needs, can dismantle the removable subassembly and give way for the dismantlement to the vision camera is changed succinctly.

Drawings

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

FIG. 2 is a schematic view of the structure of the vision camera of the present utility model;

FIG. 3 is a schematic view of a shading structure according to the present utility model;

fig. 4 is a schematic structural view of the detachable component of the present utility model.

In the figure: 1. a base; 2. a detection platform; 3. electrifying a placing seat; 4. a bracket; 5. a lifting structure; 6. a lifting frame; 7. a vision camera; 8. a light shielding structure; 801. a light shield; 802. connecting sleeves; 803. a through hole; 804. a connecting screw; 805. a detachable component; 8051. a movable plate; 8052. a slide bar; 8053. a plug; 8054. a fixed block; 806. a chute; 9. a switch; 10. an industrial computer; 11. a movable door.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, a backlight uniformity detecting device comprises a base 1, a detecting platform 2 is fixed on the base 1, an electrifying placing seat 3 is arranged on the detecting platform 2, a support 4 is arranged on the detecting platform 2, a lifting structure 5 is arranged on the support 4, a lifting frame 6 is arranged at the lower end of the lifting structure 5, a vision camera 7 is fixed at the lower end of the lifting frame 6, a shading structure 8 is arranged on the lifting frame 6, a movable door 11 is arranged on the base 1, an industrial computer 10 is fixed at a position, close to the support 4, on the detecting platform 2, the electrifying placing seat 3 is fixedly arranged on the detecting platform 2, and a switch 9 is arranged on the electrifying placing seat 3.

When the device is used for detecting the uniformity of the backlight plate, the device is placed on the ground, the device is stably placed through the base 1, at this time, the vision camera 7 and the shading structure 8 are all installed on the lifting frame 6, meanwhile, the vision camera 7 is located in the shading structure 8, after being connected with a power supply, the control is carried out through the industrial computer 10, the electrified placing seat 3 is normally electrified, the backlight plate is placed on the electrified placing seat 3, the electrified placing seat 3 and the backlight plate are connected together through a cable, then the backlight plate is connected through the switch 9, the backlight plate is electrified and then emits light, then the lifting structure 5 on the support 4 is started through the industrial computer 10, the lifting structure 5 drives the lifting frame 6 to descend, thereby the vision camera 7 and the shading structure 8 are carried out until the shading structure 8 covers the outside of the electrified placing seat 3, at this time, the shading structure 8 plays a shading effect, the vision camera and 7 carry out the vision detection on the backlight plate which emits light after being electrified, the detection result is fed back to the industrial computer 10, data are obtained after the analysis of the industrial computer 10, thus, uniformity parameters of the current plate can be known, after the lifting detection work is completed, the lifting structure 5 is driven, the lifting structure 6 is lifted, the lifting structure is driven, the camera 8 is required to be lifted quickly, the lifting structure is required to be lifted, and the device is convenient to be detached, and the device is convenient to operate, and the lifting structure is convenient to detach.

Through the above embodiment, the shading structure 8 comprises a shading cover 801, a connecting sleeve 802 and a detachable component 805, wherein the shading cover 801 is fixedly connected with the connecting sleeve 802, the connecting sleeve 802 is sleeved on the lifting frame 6, the detachable component 805 is connected on the shading cover 801, the shading structure 8 further comprises a through hole 803, a connecting screw 804 and a sliding groove 806, the through hole 803 is formed in the connecting sleeve 802, the connecting sleeve 802 is sleeved on the lifting frame 6 through the through hole 803, the connecting screw 804 is arranged on the connecting sleeve 802, the tail end of the connecting screw 804 is in threaded connection with the lifting frame 6, the connecting sleeve 802 is fixedly connected with the lifting frame 6 through the connecting screw 804, the sliding groove 806 is formed in the shading cover 801, the detachable component 805 comprises a movable plate 8051, a sliding bar 8052, a plug 8053 and a fixed block 8054, the movable plate 8051 is fixedly connected with the sliding bar 8052, and slider 8052 slidable mounting is in spout 806, plug 8053 fixes the upper end at fly leaf 8051, and looks joint between plug 8053 and the lens hood 801, fixed block 8054 is fixed at the lower extreme surface of fly leaf 8051, through the shading structure 8 that sets up, when carrying out backlight uniformity and detecting, can descend the cover to the circular telegram along with crane 6 of lifting structure 5 lower extreme and place outside the seat 3, play the effect of shading to the backlight, guarantee the accuracy of testing result, set up adapter sleeve 802 and connecting screw 804 in the shading structure 8, be convenient for dismantle shading structure 8 and operate, the setting of removable subassembly 805, can dismantle removable subassembly 805 and step down when required, make the dismantlement change succinct to vision camera 7.

When the light shielding structure 8 is used, the light shielding structure 8 is installed, the connecting sleeve 802 is sleeved on the lifting frame 6 through the through hole 803, the connecting sleeve 802 and the light shielding cover 801 are fixed through the connecting screw 804, after the light shielding structure 8 is installed and connected, the vision camera 7 is fixed on the lifting frame 6, then detection work is started, during detection, the light shielding structure 8 descends along with the descending of the lifting frame 6 until the lower ends of the light shielding cover 801 and the detachable component 805 are contacted with the detection platform 2, at this time, the light shielding cover 801 and the detachable component 805 play a role in shielding, the accuracy of detection results is guaranteed, if the visual camera 7 needs to be detached and overhauled, after the light shielding structure 8 is lifted, the movable plate 8054 is pulled downwards through the fixing block 8054, the plug 8053 is detached from the light shielding cover 801, then the movable plate 8051 moves along the sliding groove 806 until the detachable component 805 is detached, then the vision camera 7 is detached, the vision camera 7 is installed after the detection is completed, and finally the detachable component 805 is detached and overhauled.

The foregoing has described the principles, features and advantages of the present utility model. It will be apparent to those skilled in the art from this disclosure that the foregoing is not a limitation of the utility model, and that the foregoing embodiments and descriptions illustrate the basic principles and features of the utility model, but that various modifications can be made therein without departing from the spirit of the utility model, and that such modifications are intended to be within the scope of the utility model as claimed.

Claims (5)

1. The utility model provides a backlight plate homogeneity detection device, includes base (1), be fixed with testing platform (2) on base (1), and be equipped with on testing platform (2) and switch on and place seat (3), install support (4) on testing platform (2), and be equipped with elevation structure (5) on support (4), its characterized in that: the lifting structure is characterized in that a lifting frame (6) is arranged at the lower end of the lifting structure (5), a vision camera (7) is fixed at the lower end of the lifting frame (6), a shading structure (8) is arranged on the lifting frame (6), the shading structure (8) comprises a shading cover (801), a connecting sleeve (802) and a detachable component (805), the shading cover (801) is fixedly connected with the connecting sleeve (802), the connecting sleeve (802) is sleeved on the lifting frame (6), and the detachable component (805) is connected to the shading cover (801).

2. The backlight uniformity detecting apparatus according to claim 1, wherein: the base (1) is provided with a movable door (11), and an industrial computer (10) is fixed at a position, close to the bracket (4), on the detection platform (2).

3. The backlight uniformity detecting apparatus according to claim 2, wherein: the power-on placing seat (3) is fixedly arranged on the detection platform (2), and a switch (9) is arranged on the power-on placing seat (3).

4. A backlight uniformity inspection apparatus according to claim 3, wherein: the shading structure (8) further comprises a through hole (803), a connecting screw (804) and a sliding groove (806), wherein the through hole (803) is formed in the connecting sleeve (802), the connecting sleeve (802) is sleeved on the lifting frame (6) through the through hole (803), the connecting screw (804) is arranged on the connecting sleeve (802), the tail end of the connecting screw (804) is in threaded connection with the lifting frame (6), the connecting sleeve (802) is fixedly connected with the lifting frame (6) through the connecting screw (804), and the sliding groove (806) is formed in the shading cover (801).

5. The backlight uniformity detecting apparatus according to claim 4, wherein: removable subassembly (805) include fly leaf (8051), draw runner (8052), grafting head (8053) and fixed block (8054), fixed connection between fly leaf (8051) and draw runner (8052), and draw runner (8052) slidable mounting in spout (806), grafting head (8053) is fixed in the upper end of fly leaf (8051), and looks joint between grafting head (8053) and lens hood (801), fixed block (8054) are fixed at the lower extreme surface of fly leaf (8051).