Display screen visual angle test support

Abstract

A display screen visual angle testing support is characterized in that a cross-shaped translation table is arranged on one side of the circle center of a horizontal rotating table, a height adjusting mechanism is arranged on the cross-shaped translation table, a horizontal rotating fine-tuning mechanism is arranged on the height adjusting mechanism, a pitching adjuster is arranged on the horizontal rotating fine-tuning mechanism, and a display screen connecting piece is arranged on the pitching adjuster. According to the utility model, through the cross translation stage, the height adjusting mechanism, the horizontal rotation fine adjustment mechanism and the pitching adjuster which are sequentially arranged on the horizontal rotation stage, multi-dimensional accurate adjustment such as up-down, left-right, rotation and the like of the display screen is realized, so that testers can evaluate the performance of the display screen from different angles, and the accuracy and reliability of test results are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of testing devices, and in particular relates to a display screen viewing angle testing bracket. Background Art

[0002] Display screens are widely used in commercial media, cultural performance markets, sports stadiums, information dissemination, news releases, securities trading, etc., and can meet the needs of different environments. With the continuous development of display technology, the classification of displays is becoming more and more detailed, and the requirements for displays are becoming higher and higher. In the production process of display screens, in order to ensure that the display can work normally, the display effect of the display screen needs to be tested.

[0003] During the display effect test of the display screen, the display screen needs to be precisely adjusted in multiple angles and directions to ensure the experimental conditions such as the display screen test distance and angle, and to ensure the reliability of the test results. However, the existing display screen bracket can only achieve rough adjustment at a single angle or in a single direction, and cannot accurately control the adjustment angle or distance. For example, the Chinese patent, patent number ZL201420830169.5, name "Display Bracket", the bracket disclosed in the patent can only achieve the height adjustment of the display screen, but cannot adjust the angle. During the height adjustment process, the height adjustment cannot be accurately controlled, and an additional ruler is required to measure the height to know the adjustment height.

[0004] Therefore, in order to ensure the reliability of display screen detection results, a multi-dimensional precision adjustment bracket is urgently needed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the shortcomings of the prior art and provide a display screen viewing angle test bracket with reasonable design, simple operation and precise adjustment.

[0006] The technical solution adopted to solve the above technical problems is: a display screen viewing angle test bracket, a cross translation platform is arranged on one side of the center of the circle on the horizontal rotation platform, a height adjustment mechanism is arranged on the cross translation platform, a horizontal rotation fine-tuning mechanism is arranged on the height adjustment mechanism, a pitch adjuster is arranged on the horizontal rotation fine-tuning mechanism, and a display screen connector is arranged on the pitch adjuster.

[0007] As a preferred technical solution, the height adjustment mechanism is: a column is provided on the base, a mounting seat is provided on the column, the mounting seat slides along the column, a fastening bolt for fixing the mounting seat is provided through one side of the mounting seat, and the upper surface of the other side of the mounting seat is a mounting surface, the base is set on a cross translation platform, and a horizontal rotation fine-tuning mechanism is provided on the mounting surface.

[0008] As a preferred technical solution, scale lines are provided on the column.

[0009] As a preferred technical solution, the horizontal rotation fine-tuning mechanism is as follows: a rotating sleeve is arranged on the fixed shaft, a damping bearing is arranged between the rotating sleeve and the fixed shaft, the fixed shaft is vertically arranged on the mounting seat of the height adjustment mechanism, the rotating sleeve is connected to the pitch adjuster, angle scale lines are arranged on the mounting surface of the mounting seat, and an indicator needle is arranged on the rotating sleeve.

[0010] As a preferred technical solution, the pitch adjuster is as follows: a rotating sleeve is installed in the vertical direction on one side of the mounting shell, a transmission shaft and a worm are rotatably connected in the middle of the mounting shell, a U-shaped connecting plate and a worm wheel engaged with the worm are fixed on the transmission shaft, a clearance groove is provided on the mounting shell, the U-shaped connecting plate is located in the clearance groove, a display screen clamp is provided on the U-shaped connecting plate, one end of the worm extends out of the mounting shell and a handle is provided on the end.

[0011] As a preferred technical solution, a dial is provided on the mounting shell, and an indicator needle is provided in the middle of the side surface of the connecting plate.

[0012] As a preferred technical solution, a non-porous display clip or a mobile phone clip is provided on the display screen connector.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model realizes multi-dimensional precise adjustment of the display screen, such as up, down, left, right, and rotation, by means of a cross translation stage, a height adjustment mechanism, a horizontal rotation fine adjustment mechanism, and a pitch adjuster arranged in sequence on a horizontal rotation stage, so that test personnel can evaluate the performance of the display screen from different angles, thereby ensuring the accuracy and reliability of the test results.

[0015] The utility model has the advantages of flexible adjustment and simple operation, and greatly improves the working efficiency of testers. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] Figure 2 yes Figure 1 Schematic diagram of the structure of the pitch regulator.

[0018] Figure 3 yes Figure 2 Top view of the .

[0019] Figure 4 It is a schematic diagram of the structure of the display screen connector.

[0020] Figure 5 It is a schematic diagram of the structure of a hole-free display clip.

[0021] Figure 6 It is a structural diagram of a mobile phone clamp.

[0022] Figure 7 It is a schematic diagram of the movement of the test point during the vertical viewing angle measurement.

[0023] Among them, there are a horizontal rotating table 1, a cross translation table 2, a height adjustment mechanism 3, a base 31, a column 32, a mounting seat 34, a fastening bolt 33, a horizontal rotation fine-tuning mechanism 4, a rotating sleeve 41, a pitch adjuster 5, a mounting shell 51, a transmission shaft 52, a worm 53, a connecting plate 54, a worm gear 55, a handle 56, a display screen connector 6, a detection instrument 7, a display screen 8, a hole-free display clip 9, and a mobile phone clip 10. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments, but the present invention is not limited to the following embodiments.

[0025] exist Figures 1 to 6 In the display screen viewing angle test bracket of this embodiment, a cross translation stage 2 is fixedly installed on one side of the center of the circle on the horizontal rotating stage 1, a height adjustment mechanism 3 is fixedly installed on the cross translation stage 2, a horizontal rotation fine adjustment mechanism 4 is fixedly installed on the height adjustment mechanism 3, a pitch adjuster 5 is fixedly installed on the horizontal rotation fine adjustment mechanism 4, and a display screen connector 6 is fixedly installed on the pitch adjuster 5. The horizontal rotating stage 1 is used to greatly adjust the position of the display screen in a plane centered on the axis of the horizontal rotating stage 1, the cross translation stage 2 is used to move forward and backward, left and right in the horizontal plane to accurately adjust the position of the display screen in the horizontal plane, the height adjustment mechanism 3 is used to adjust the height of the display screen, the horizontal rotation fine adjustment mechanism 4 is used to fine-tune the horizontal rotation angle of the display screen, and the pitch adjuster 5 is used to adjust the pitch angle of the display screen.

[0026] The height adjustment mechanism 3 of this embodiment includes a base 31, a column 32, a mounting seat 34, and a fastening bolt 33. The base 31 is fixedly mounted with a column 32, the column 32 is slidably connected with the mounting seat 34, and a scale line is provided on the column 32 for accurately adjusting the position of the mounting seat 34 on the column 32. The mounting seat 34 slides along the column 32, and a fastening bolt 33 for fixing the mounting seat 34 is threadedly connected to one side of the mounting seat 34. The upper surface of the other side of the mounting seat 34 is a mounting surface. The base 31 is fixedly mounted on the cross translation stage 2, and a horizontal rotation fine-tuning mechanism 4 is provided on the mounting surface. The height of the mounting seat 34 on the column 32 is adjusted by adjusting the fastening bolt 33, and accurate height positioning is achieved by using the scale line on the column 32.

[0027] The horizontal rotation fine adjustment mechanism 4 of this embodiment includes a fixed shaft, a rotating sleeve 41, and a damping bearing. The rotating sleeve 41 is installed on the fixed shaft. A damping bearing is arranged between the rotating sleeve 41 and the fixed shaft for fixing the rotating sleeve 41 at any position. The fixed shaft is vertically arranged on the mounting seat 34 of the height adjustment mechanism 3. An angle scale line is arranged on the mounting surface of the mounting seat 34. The middle of the scale line is 0°. The rotating sleeve 41 is connected to the pitch adjuster 5. An indicator needle is engraved on the rotating sleeve 41. When the indicator needle points to 0°, the normal at the geometric center of the display screen 8 is parallel to the front-to-back horizontal movement direction of the cross translation stage 2.

[0028] The pitch adjuster 5 of this embodiment includes a mounting shell 51, a transmission shaft 52, a worm 53, a connecting plate 54, a worm wheel 55, and a handle 56. A rotating sleeve 41 is installed in the vertical direction on one side of the mounting shell 51. The transmission shaft 52 and the worm 53 are rotatably connected in the middle of the mounting shell 51. A U-shaped connecting plate 54 and a worm wheel 55 meshing with the worm 53 are fixed on the transmission shaft 52. A clearance groove is provided on the mounting shell 51. The U-shaped connecting plate 54 is located in the clearance groove. A display screen clamp is fixedly connected to the connecting plate 54 through a threaded fastener. One end of the worm 53 extends out of the mounting shell 51 and a handle 56 is provided on the end. A dial is processed on the side of the mounting shell 51, and the middle of the dial is 0°. An indicator needle is provided in the middle of the side of the connecting plate 54. When the indicator needle points to 0°, the display screen is in a vertical state. By turning the handle 56, the worm 53 is driven to rotate, and then the worm wheel 55 meshing with the worm 53 is driven to rotate, so as to adjust the pitch angle of the connecting plate 54. The display screen clamp on the connecting plate 54 adjusts the angle accordingly, and the dial on the mounting shell 51 and the indicator needle on the side of the connecting plate 54 provide accurate readings of the pitch angle.

[0029] The display screen connector 6 of this embodiment is fixedly mounted with a non-porous display clip 9 or a mobile phone clip 10, so that display screens of different models and sizes can be fixed.

[0030] The display screen 8 viewing angle test includes horizontal viewing angle measurement and vertical viewing angle measurement.

[0031] Before testing, the utility model is placed in front of the testing instrument 7, the display screen 8 to be tested is fixed on the non-hole display clamp 9, the pitch adjuster 5 and the horizontal rotation fine-tuning mechanism 4 are adjusted to ensure that their respective indicator needles point to 0°, and the height adjustment mechanism 3 is adjusted to make the normal at the geometric center of the display screen 8 coincide with the axis of the testing instrument 7.

[0032] Horizontal viewing angle measurement process: adjust the distance between the display screen 8 and the detection instrument 7 through the cross translation stage 2, measure the brightness parameters of the display screen 8 through the detection instrument 7, adjust the horizontal rotation fine-tuning mechanism 4, and after the display screen 8 rotates a certain angle, the detection instrument 7 measures the brightness parameters of the display screen 8 again.

[0033] Vertical viewing angle measurement process: adjust the distance between the display screen 8 and the detection instrument 7 through the cross translation stage 2, measure the brightness parameters of the display screen 8 through the detection instrument 7, adjust the pitch adjuster 5, drive the display screen 8 to rotate by angle β, and the initial test point M is offset from the initial position to the position of point N. At this moment, the detection instrument 7 measures the brightness parameter of point P. In order to ensure the uniformity of the measurement points, adjust the up and down movement and the forward and backward movement of the display screen 8 to make the initial measurement point M return to the initial position, and continue to measure. Figure 7 .

[0034] The utility model provides a multifunctional and high-precision test bracket, which enables testers to evaluate the performance of the display screen from different angles, and ensures the accuracy and reliability of the test results through such meticulous adjustment.

Claims

1. A display screen viewing angle test stand, characterized in that: A cross translation platform is arranged on one side of the center of the horizontal rotating platform, a height adjustment mechanism is arranged on the cross translation platform, a horizontal rotation fine adjustment mechanism is arranged on the height adjustment mechanism, a pitch adjuster is arranged on the horizontal rotation fine adjustment mechanism, and a display screen connector is arranged on the pitch adjuster.

2. The display screen viewing angle test stand according to claim 1, characterized in that: The height adjustment mechanism is as follows: a column is provided on the base, a mounting seat is provided on the column, the mounting seat slides along the column, a fastening bolt for fixing the mounting seat is provided through one side of the mounting seat, and the upper surface of the other side of the mounting seat is a mounting surface, the base is provided on a cross translation platform, and a horizontal rotation fine-tuning mechanism is provided on the mounting surface.

3. The display screen viewing angle test stand according to claim 2, characterized in that: The upright column is provided with scale lines.

4. The display screen viewing angle test stand according to claim 2, characterized in that: The horizontal rotation fine-tuning mechanism is as follows: a rotating sleeve is arranged on the fixed shaft, a damping bearing is arranged between the rotating sleeve and the fixed shaft, the fixed shaft is vertically arranged on the mounting seat of the height adjustment mechanism, the rotating sleeve is connected to the pitch adjuster, an angle scale line is arranged on the mounting surface of the mounting seat, and an indicator needle is arranged on the rotating sleeve.

5. The display screen viewing angle test stand according to claim 4, characterized in that: The pitch adjuster is as follows: a rotating sleeve is installed in the vertical direction on one side of the mounting shell, a transmission shaft and a worm are rotatably connected in the middle of the mounting shell, a U-shaped connecting plate and a worm wheel engaged with the worm are fixed on the transmission shaft, a clearance groove is provided on the mounting shell, the U-shaped connecting plate is located in the clearance groove, a display screen clamp is provided on the U-shaped connecting plate, and one end of the worm extends out of the mounting shell and a handle is provided on the end.

6. The display screen viewing angle test stand according to claim 5, characterized in that: A scale plate is arranged on the installation shell, and an indicating needle is arranged in the middle of the side surface of the connecting plate.

7. The display screen viewing angle test stand according to claim 1, characterized in that: The display screen connector is provided with a non-hole display clip or a mobile phone clip.

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