Display screen angle measuring instrument

Abstract

The utility model provides a display screen angle measuring instrument, which comprises a color analyzer, a laser flashlight, an angle instrument assembly and a vertical rotating assembly, the angle instrument assembly comprises an angle instrument base and a horizontal turntable, the horizontal turntable is rotatably arranged on the angle instrument base, the vertical rotating assembly comprises a hinge piece and a mounting seat, and the hinge piece is rotatably arranged on the mounting seat. The hinge piece is connected with the horizontal turntable, the mounting seat is hinged with the hinge piece, and the color analyzer and the laser flashlight are both arranged on the mounting seat. According to the display screen angle measuring instrument, laser positioning is adopted, stay wire calibration is not needed, measurement operation can be achieved by one person, the horizontal visual angle of the display screen can be measured through the angle instrument assembly, the vertical visual angle of the display screen can be measured through the vertical rotating assembly, and the measuring speed and the measuring precision can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED display screen technical field especially relates to a display screen angle measuring instrument. BACKGROUND

[0002] At present, the industry usually adopts the semicircular protractor used in teaching to measure the optical angle of product in the display screen brightness measurement. The protractor needs to be used in the measurement process, the zero position of the protractor needs to have a round hole, and the pull wire is used for testing and angle calibration after fixing the limiting screw, so two or more personnel need to operate in the measurement process. The existing protractor is only limited to the measurement of left and right viewing angles, and cannot test the up and down viewing angles, resulting in that the efficiency is low and the accuracy has a deviation of 3-5 degrees or more in the use process of the existing protractor, and the accuracy of data cannot be guaranteed. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problems that a display screen angle measuring instrument and a display screen angle measuring instrument are provided to solve the problems of high labor cost, low efficiency and low accuracy in measuring the display screen brightness by using the existing protractor.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme that a display screen angle measuring instrument comprises a color analyzer, a laser flashlight, an angle instrument assembly and a vertical rotation assembly, the angle instrument assembly comprises an angle instrument base and a horizontal turntable, the horizontal turntable is rotatably arranged on the angle instrument base, the vertical rotation assembly comprises a hinge and a mounting seat, the hinge is connected with the horizontal turntable, the mounting seat is hinged with the hinge, and the color analyzer and the laser flashlight are arranged on the mounting seat.

[0005] Further, a plurality of first hinge parts are arranged at intervals on the hinge, a plurality of second hinge parts are arranged at intervals on the mounting seat, a hinge groove is formed between adjacent two second hinge parts, and the first hinge part is arranged in the hinge groove.

[0006] Further, the vertical rotation assembly further comprises a fastening bolt and a fastening nut, the first hinge part is provided with a first through hole, the second hinge part is provided with a second through hole, the fastening bolt passes through the first through hole and the second through hole and is threadedly connected with the fastening nut.

[0007] Further, the angle instrument assembly further comprises a limiting screw, the horizontal turntable is provided with a limiting screw hole, the limiting screw is arranged in the limiting screw hole, and the limiting screw is used for limiting and locking the horizontal turntable and the angle instrument base.

[0008] Further, the angle instrument assembly further comprises a quick-release base, and the angle instrument base is arranged on the quick-release base.

[0009] Further, the angle instrument base comprises a scale base and a horizontal scale, the horizontal scale is arranged on the scale base, and the horizontal turntable is rotatably arranged on the scale base.

[0010] Further, the vertical rotation assembly further comprises a mounting table, the mounting seat is arranged on the mounting table, the mounting table is provided with a sliding groove, and the color analysis instrument is provided with a sliding block arranged in the sliding groove.

[0011] Further, the angle instrument assembly further comprises a middle rod, a first fixing member and a second fixing member, the two ends of the middle rod are respectively provided with a first flat key part and a second flat key part, the first fixing member is provided with a first groove, the first flat key part is arranged in the first groove, the first fixing member is connected with the horizontal turntable, the second fixing member is provided with a second groove, the second flat key part is arranged in the second groove, and the second fixing member is connected with the mounting seat.

[0012] Further, the vertical rotation assembly further comprises a handle, and the handle is connected with the mounting seat.

[0013] Further, the vertical rotation assembly further comprises a mounting plate and a flashlight mounting member, the flashlight mounting member comprises a first mounting block and a second mounting block, the mounting plate is arranged on the mounting seat, the first mounting block is rotatably connected with the second mounting block, the first mounting block is arranged on the mounting plate, one side of the first mounting block close to the second mounting block is provided with a first arc-shaped through groove, one side of the second mounting block close to the first mounting block is provided with a second arc-shaped through groove, and the first arc-shaped through groove and the second arc-shaped through groove are arranged to form a mounting hole.

[0014] The display screen angle measuring instrument has the advantages that the color analysis instrument and the flashlight are arranged on the mounting seat, when the horizontal turntable rotates relative to the angle instrument base, the color analysis instrument and the flashlight rotate along the horizontal plane, when the mounting seat rotates relative to the hinged seat, the color analysis instrument and the flashlight rotate along the vertical plane, the display screen angle measuring instrument adopts laser positioning and does not need to be calibrated by pulling a line, one person can realize measurement operation, the display screen horizontal viewing angle can be measured through the angle instrument assembly, the display screen vertical viewing angle can be measured through the vertical rotation assembly, and the display screen angle measuring instrument can effectively improve the measurement speed and the measurement precision. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The structural schematic diagram of the display screen angle measuring instrument in another embodiment is shown in the figure.

[0016] Figure 2 For Figure 1 The structural explosion drawing of the angle instrument assembly structure is shown in the figure.

[0017] Figure 3 For Figure 1 The structural explosion drawing of the angle instrument assembly structure is shown in the figure.

[0018] Figure 4 For Figure 1 The structural explosion drawing of the vertical rotation assembly structure is shown in the figure.

[0019] Figure 5 For Figure 1 The structural schematic diagram of the vertical rotation assembly in another embodiment is shown in the figure.

[0020] Figure 6 The horizontal viewing angle of the display screen is adaptively displayed by using the display screen angle measuring instrument.

[0021] Label explanation:

[0022] 1, color analyzer; 11, sliding block;

[0023] 2, laser flashlight;

[0024] 3, level;

[0025] 4, angle instrument assembly; 41, angle instrument base; 411, dial base; 412, horizontal dial; 413, first fixed hole; 414, ball plunger; 42, horizontal turntable; 421, limit screw hole; 43, limit screw; 44, quick release base; 45, middle rod; 451, first flat key part; 452, second flat key part; 453, screw part; 46, first fixed part; 461, first groove; 462, fixed part; 47, second fixed part; 48, fixed nut

[0026] 5, vertical rotation assembly; 51, hinged part; 511, first hinged part; 512, first through hole; 52, mounting seat; 521, second hinged part; 522, hinged groove; 523, second through hole; 53, fastening bolt; 54, fastening nut; 55, mounting table; 551, sliding groove; 56, handle; 57, mounting plate; 58, flashlight mounting part; 581, first mounting block; 582, first arc-shaped through groove; 583, second mounting block; 584, second arc-shaped through groove; 585, mounting hole; 59, support plate; 591, fixed bolt. DETAILED DESCRIPTION

[0027] In order to describe the technical content, the purposes and effects of the present application in detail, the following will be described in combination with the embodiments and the accompanying drawings.

[0028] Please refer to Figures 1 to 6 The utility model provides a display screen angle measuring instrument, it includes color analysis appearance 1, laser electric torch 2, angle appearance subassembly 4 and vertical rotation subassembly 5, angle appearance subassembly 4 includes angle appearance base 41 and horizontal carousel 42, horizontal carousel 42 can rotate and locate angle appearance base 41 is on, vertical rotation subassembly 5 includes hinged member 51 and mounting seat 52, hinged member 51 is connected with horizontal carousel 42, mounting seat 52 is hinged with hinged member 51, color analysis appearance 1, laser electric torch 2 all locate on mounting seat 52.

[0029] From the above description, the beneficial effects of the present application are that the display screen angle measuring instrument provided by the present application has color analysis appearance 1 and laser electric torch 2 on the mounting seat 52, when the horizontal carousel 42 rotates relative to the angle appearance base 41, it drives the color analysis appearance 1 and the laser electric torch 2 to rotate along the horizontal plane, and when the mounting seat 52 rotates relative to the hinged seat, it drives the color analysis appearance 1 and the laser electric torch 2 to rotate along the vertical plane. The display screen angle measuring instrument uses laser positioning, does not need to pull the line calibration, and can be operated by one person. It can measure the horizontal viewing angle of the display screen through the angle appearance subassembly 4 and measure the vertical viewing angle of the display screen through the vertical rotation subassembly 5. The display screen angle measuring instrument can effectively improve the measurement speed and accuracy.

[0030] Further, the hinged member 51 is provided with a plurality of first hinged parts 511 arranged at intervals, the mounting seat 52 is provided with a plurality of second hinged parts 521 arranged at intervals, and the second hinged parts 521 adjacent to each other form a hinged groove 522, and the first hinged part 511 is arranged in the hinged groove 522.

[0031] From the above description, the hinged member 51 and the mounting seat 52 form a cross interlocking shaft structure, which makes the vertical rotation subassembly 5 have high stability and high precision in adjusting the pitch angle of the horizontal analyzer.

[0032] Further, the vertical rotation subassembly 5 further includes a fastening bolt 53 and a fastening nut 54, the first hinged part 511 is provided with a first through hole 512, the second hinged part 521 is provided with a second through hole 523, the fastening bolt 53 passes through the first through hole 512 and the second through hole 523, and is threadedly connected with the fastening nut 54.

[0033] From the above description, the fastening bolt 53 and the fastening nut 54 can limit and lock the hinged member 51 and the mounting seat 52.

[0034] Further, the angle instrument assembly 4 further comprises a limiting screw 43, the horizontal rotating disc 42 is provided with a limiting screw hole 421, the limiting screw 43 is arranged in the limiting screw hole 421, and the limiting screw 43 is used for limiting and locking the horizontal rotating disc 42 and the angle instrument base 41.

[0035] As known from the above description, the limiting screw 43 can abut against the angle instrument base 41, thereby increasing the friction between the limiting screw 43 and the angle instrument base 41, and limiting and locking the horizontal rotating disc 42 and the angle instrument base 41.

[0036] Further, the angle instrument assembly 4 further comprises a quick-release base 44, and the angle instrument base 41 is arranged on the quick-release base 44.

[0037] As known from the above description, the quick-release base 44 can facilitate mounting or dismounting of the display screen angle measuring instrument and the support.

[0038] Further, the angle instrument base 41 comprises a scale base 411 and a horizontal scale 412, the horizontal scale 412 is arranged on the scale base 411, and the horizontal rotating disc 42 is rotatably arranged on the scale base 411.

[0039] As known from the above description, the horizontal scale 412 can be provided with horizontal scale marks, and the horizontal rotating disc 42 can be provided with horizontal angle pointer marks corresponding to the horizontal scale marks, so as to facilitate an operator to intuitively obtain a measured angle of the angle instrument assembly 4.

[0040] Further, the vertical rotating assembly 5 further comprises a mounting table 55, the mounting seat 52 is arranged on the mounting table 55, the mounting table 55 is provided with a sliding groove 551, the color analysis instrument 1 is provided with a sliding block 11, and the sliding block 11 is arranged in the sliding groove 551.

[0041] As known from the above description, the color analysis instrument 1 and the mounting seat 52 are convenient and fast to mount and dismount.

[0042] Further, the angle instrument assembly 4 further comprises a middle rod 45, a first fixing member 46 and a second fixing member 47, two ends of the middle rod 45 are respectively provided with a first flat key part 451 and a second flat key part 452, the first fixing member 46 is provided with a first recess 461, the first flat key part 451 is arranged in the first recess 461, the first fixing member 46 is connected with the horizontal rotating disc 42, the second fixing member 47 is provided with a second recess, the second flat key part 452 is arranged in the second recess, and the second fixing member 47 is connected with the mounting seat 52.

[0043] Further, the vertical rotating assembly 5 further comprises a handle 56, which is connected with the mounting base 52.

[0044] From the above description, it can be seen that the handle 56 can facilitate the operator to control the relative rotation of the hinged piece 51 and the mounting base 52, so as to improve the adjustment accuracy of the display screen angle measuring instrument along the vertical plane.

[0045] Further, the vertical rotating assembly 5 further comprises a mounting plate 57 and a flashlight mounting piece 58, the flashlight mounting piece 58 comprises a first mounting block 581 and a second mounting block 583, the mounting plate 57 is arranged on the mounting base 52, the first mounting block 581 and the second mounting block 583 are rotatably connected, the first mounting block 581 is arranged on the mounting plate 57, a first arc-shaped through slot 582 is arranged on the side of the first mounting block 581 close to the second mounting block 583, a second arc-shaped through slot 584 is arranged on the side of the second mounting block 583 close to the first mounting block 581, the first arc-shaped through slot 582 and the second arc-shaped through slot 584 form a mounting hole 585, and the laser flashlight 2 is arranged in the mounting hole 585.

[0046] From the above description, it can be seen that the installation operation of the laser flashlight 2 is convenient and fast.

[0047] Embodiment one

[0048] Please refer to Figures 1 to 5 The embodiment one of the utility model provides a display screen angle measuring instrument, which comprises a color analyzer 1, a laser flashlight 2, an angle instrument assembly 4 and a vertical rotating assembly 5, the angle instrument assembly 4 comprises an angle instrument base 41 and a horizontal turntable 42, the horizontal turntable 42 is rotatably arranged on the angle instrument base 41, the vertical rotating assembly 5 comprises a hinged piece 51 and a mounting base 52, the hinged piece 51 is connected with the horizontal turntable 42, the mounting base 52 is hinged with the hinged piece 51, and the color analyzer 1 and the laser flashlight 2 are arranged on the mounting base 52.

[0049] The display screen angle measuring instrument can be used to test the display screen according to SJT11281-2007 "LED display screen test method". The display screen angle measuring instrument adopts laser positioning and does not need to be calibrated by pulling a line, and one person can realize the measurement operation. When the horizontal turntable 42 rotates relative to the angle instrument base 41, the color analyzer 1 and the laser flashlight 2 are driven to rotate along the horizontal plane; when the mounting base 52 rotates relative to the hinged base, the color analyzer 1 and the laser flashlight 2 are driven to rotate along the vertical plane. The display screen angle measuring instrument has high measurement accuracy and high measurement efficiency.

[0050] Specifically, based on the definition of the screen viewing angle in the "LED display screen test method": assuming the brightness of the display screen normal direction is Lf, the display screen brightness is detected from the left and right sides of the display screen center normal, when the left and right side brightness values drop to 1 / 2 Lf. The angle θs (0° < θs < 180°) formed between the two observation lines is called the horizontal viewing angle of the display screen. The brightness of the display screen is detected from the top and bottom of the display screen center normal, when the top and bottom brightness values drop to 1 / 2 Lf, the angle θs (0° < θs < 180°) formed between the two observation lines is called the vertical viewing angle of the display screen. According to the above method, the viewing angle of the unit module, sample box and full screen can be measured

[0051] The display screen angle measuring instrument provided in the embodiment can realize distribution photometer measurement through the color analyzer, and the color analyzer is controlled by the angle instrument assembly 4 to rotate along the horizontal plane to execute different angle measurement of brightness and color information, so that the position and angle of the light distribution curve are obtained in the form of light intensity. The 0°-180° section of the space graph is intercepted, and the light intensity distribution curve can be obtained in the rectangular coordinate system. The light intensity distribution has a normal distribution trend, and reaches the maximum near 0°. The farther from 0°, the more the light intensity decreases.

[0052] For details, please refer to Figure 6 In the first embodiment, the display screen angle measuring instrument can be used to measure the horizontal viewing angle of the display screen according to the following steps:

[0053] 1. The display screen displays any one of red, green and blue single primary colors (the highest brightness level and the highest gray level) in full screen, and a measured area (local matrix pixel points 4x4) is selected at the center of the screen (position 1);

[0054] 2. The color analyzer measures the normal direction brightness Lf in the area at position 1;

[0055] 3. The geometric center of the measured area is taken as the center, and the measurement distance is taken as the radius. The color analyzer 1 is controlled by the angle instrument assembly 4 to rotate along the horizontal plane to the left and right sides (the probe is aligned with the original measured area), when the brightness value drops to 1 / 2 at positions 2 and 3, the included angle θs between the two observation lines is measured. The horizontal viewing angles of the other two single primary colors are measured by the same method, and the minimum value is taken as the horizontal viewing angle of the display screen.

[0056] In the embodiment, the color analyzer is controlled by the vertical rotation assembly 5 to rotate up and down along the vertical plane, and the vertical viewing angle of each primary color can be calculated by the same method as measuring the horizontal viewing angle of the display screen.

[0057] In the embodiment, the color analyzer is controlled by the vertical rotation assembly 5 to rotate up and down along the vertical plane, and the vertical viewing angle of each primary color can be calculated by the same method as measuring the horizontal viewing angle of the display screen. Figure 6In this case, the color analyzer measures the luminance Lf in the normal direction of the area at position 1, and when the color analyzer 1 moves along the radius R0, the luminance values detected by the color analyzer at positions 2 and 3 decrease to the luminance Lf at position 1. Generally, the luminance values at positions 2 and 3 are recorded, and the included angle θs between positions 2 and 3 is measured, and the included angle is the horizontal viewing angle of the display screen.

[0058] Please refer to Figure 3 As a reference, the angle instrument assembly 4 further comprises a limiting screw 43, the horizontal turntable 42 is provided with a limiting screw hole 421, the limiting screw 43 is arranged in the limiting screw hole 421, and the limiting screw 43 is used for limiting and locking the horizontal turntable 42 and the angle instrument base 41. Specifically, tightening the limiting screw 43 can make the limiting screw 43 abut against the angle instrument base 41, thereby increasing the friction between the limiting screw 43 and the angle instrument base 41, so as to limit and lock the horizontal turntable 42 and the angle instrument base 41.

[0059] In this embodiment, the angle instrument base 41 comprises a scale base 411 and a horizontal scale 412, the horizontal scale 412 is arranged on the scale base 411, and the horizontal turntable 42 is rotatably arranged on the scale base 411. Specifically, the horizontal scale 412 can be provided with horizontal angle marks, and the horizontal turntable 42 can be provided with horizontal pointer marks, so that the horizontal angle data can be quickly obtained by the operator through the horizontal scale.

[0060] Please further refer to Figure 3 In this embodiment, in order to make the relative rotation of the horizontal turntable 42 and the scale base 411 more smooth, the scale base 411 is provided with a ball plunger 414, which can reduce the friction when the horizontal turntable 42 and the scale base 411 rotate relative to each other.

[0061] In this embodiment, the angle instrument assembly 4 further comprises a middle rod 45, a first fixing member 46 and a second fixing member 47, the two ends of the middle rod 45 are respectively provided with a first flat key part 451 and a second flat key part 452, the first fixing member 46 is provided with a first recess 461, the first flat key part 451 is arranged in the first recess 461, the first fixing member 46 is connected with the horizontal turntable 42, the second fixing member 47 is provided with a second recess, the second flat key part 452 is arranged in the second recess, and the second fixing member 47 is connected with the mounting seat 52.

[0062] In detail, in the embodiment, the middle rod 45 comprises a screw rod part 453, a first flat key part 451 and a second flat key part 452 arranged in sequence, the dial base 411 is provided with a first fixing hole 413, the horizontal turntable 42 is provided with a second fixing hole, the first fixing part 46 is provided with a fixing part 462, the fixing part 462 is arranged in the second fixing hole, and the horizontal turntable 42 is fixed with the first fixing part 46, the screw rod part 453 passes through the fixing part 462 and the first fixing hole 413 in sequence, and a fixing nut 48 is arranged at the end of the screw rod part 453, so that the middle rod 45, the second fixing part 47, the horizontal turntable 42 and the angle gauge base 41 are fixed, wherein the angle gauge base 41 and the horizontal turntable 42 can rotate relative to each other, and the horizontal turntable 42 can drive the middle rod 45 and the first fixing part 46 to rotate.

[0063] The display screen angle measuring instrument can be used with a support, and therefore the angle gauge assembly 4 further comprises a quick-release base 44, and the angle gauge base 41 is arranged on the quick-release base 44.

[0064] Please refer to Figure 4 , Figure 5 As a reference, in the embodiment, the hinge part 51 is provided with a plurality of first hinge parts 511 arranged at intervals, the mounting seat 52 is provided with a plurality of second hinge parts 521 arranged at intervals, a hinge groove 522 is formed between adjacent two second hinge parts 521, and the first hinge part 511 is arranged in the hinge groove 522. In addition, the vertical rotation assembly 5 further comprises a fastening bolt 53 and a fastening nut 54, the first hinge part 511 is provided with a first through hole 512, the second hinge part 521 is provided with a second through hole 523, the fastening bolt 53 passes through the first through hole 512 and the second through hole 523, and the fastening nut 54 is arranged on the fastening bolt 53. As a preferred, a vertical angle mark can be arranged on the second hinge part 521, and a horizontal pointer mark can be arranged on the hinge part 51, and an operator can quickly obtain the pitch angle data through the vertical angle mark of the second hinge part 521.

[0065] In the embodiment, the vertical rotation assembly 5 constitutes a cross interlocking shaft structure, which has high stability and high rotation adjustment precision when the mounting seat 52 and the hinge part 51 rotate relative to each other, thereby improving the precision of the display screen angle measuring instrument.

[0066] Please refer to Figure 2 and Figure 4 As a reference, in the embodiment, the vertical rotation assembly 5 further comprises a mounting table 55, the mounting seat 52 is arranged on the mounting table 55, the mounting table 55 is provided with a sliding groove 551, the color analysis instrument 1 is provided with a sliding block 11, and the sliding block 11 is arranged in the sliding groove 551. The mounting table 55 can conveniently mount or dismount the color analysis instrument 1.

[0067] In order to enable the operator to adjust the pitch angle of the color analyzer 1 through the vertical rotating assembly 5, the vertical rotating assembly 5 further comprises a handle 56 connected with the mounting seat 52.

[0068] In addition, the vertical rotating assembly 5 further comprises a mounting plate 57 and a flashlight mounting member 58, the flashlight mounting member 58 comprises a first mounting block 581 and a second mounting block 583, the mounting plate 57 is arranged on the mounting seat 52, the first mounting block 581 is rotatably connected with the second mounting block 583, the first mounting block 581 is arranged on the mounting plate 57, a first arc-shaped through slot 582 is arranged on the side of the first mounting block 581 close to the second mounting block 583, a second arc-shaped through slot 584 is arranged on the side of the second mounting block 583 close to the first mounting block 581, the first arc-shaped through slot 582 and the second arc-shaped through slot 584 form a mounting hole 585 in a surrounding manner, and the laser flashlight 2 passes through the mounting hole 585.

[0069] In addition, the vertical rotating assembly 5 further comprises a support plate 59 arranged on the mounting plate 57, and a fixing bolt 591 arranged on the support plate 59, the level 3 can be arranged on the support plate to detect and ensure the test accuracy of the color analyzer 1, and the fixing bolt 591 abuts against the level 3 to fix the level 3.

[0070] In summary, the display screen angle measuring instrument provided by the utility model has the color analyzer 1, the laser flashlight 2 and the level 3 arranged on the mounting seat 52, when the horizontal disc 42 rotates relative to the angle instrument base 41, the color analyzer 1, the laser flashlight 2 and the level 3 are driven to rotate along the horizontal plane, when the mounting seat 52 rotates relative to the hinged seat, the color analyzer 1, the laser flashlight 2 and the level 3 are driven to rotate along the vertical plane. The display screen angle measuring instrument adopts laser positioning and does not need to be calibrated by a pull line, and one person can realize the measurement operation, the display screen horizontal viewing angle can be measured through the angle instrument assembly 4, the display screen vertical viewing angle can be measured through the vertical rotating assembly 5, and the display screen angle measuring instrument can effectively improve the measurement speed and the measurement accuracy.

[0071] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the utility model specification and the drawings is also included in the patent protection range of the utility model.

Claims

1. A display screen angle measuring instrument, characterized by, The color analyzer, the laser flashlight, an angle gauge assembly and a vertical rotation assembly are included, the angle gauge assembly includes an angle gauge base and a horizontal turntable, the horizontal turntable is rotatably arranged on the angle gauge base, the vertical rotation assembly includes a hinge and a mounting seat, the hinge is connected with the horizontal turntable, and the mounting seat is hinged with the hinge.

2. The display screen angle measuring instrument of claim 1, wherein, A plurality of first hinge parts are arranged on the hinge at intervals, a plurality of second hinge parts are arranged on the mounting seat at intervals, a hinge slot is formed between adjacent two second hinge parts, and the first hinge part is arranged in the hinge slot.

3. The display screen angle measuring instrument of claim 2, wherein, The vertical rotation assembly further includes a fastening bolt and a fastening nut, the first hinge part is provided with a first through hole, the second hinge part is provided with a second through hole, the fastening bolt passes through the first through hole and the second through hole, and is threadedly connected with the fastening nut.

4. The display screen angle gauge of claim 1, wherein, The angle gauge assembly further includes a limiting screw, the horizontal turntable is provided with a limiting screw hole, the limiting screw is arranged in the limiting screw hole, and the limiting screw is used for limiting and locking the horizontal turntable and the angle gauge base.

5. The display screen angle gauge of claim 1, wherein, The angle gauge assembly further includes a quick-release base, and the angle gauge base is arranged on the quick-release base.

6. The display screen angle gauge of claim 1, wherein, The angle gauge base includes a scale base and a horizontal scale, the horizontal scale is arranged on the scale base, and the horizontal turntable is rotatably arranged on the scale base.

7. The display screen angle gauge of claim 1, wherein, The vertical rotation assembly further includes a mounting table, the mounting seat is arranged on the mounting table, the mounting table is provided with a sliding groove, and a sliding block is arranged on the color analyzer and arranged in the sliding groove.

8. The display screen angle gauge of claim 1, wherein, The angle gauge assembly further includes a middle rod, a first fixing member and a second fixing member, two ends of the middle rod are respectively provided with a first flat key part and a second flat key part, the first fixing member is provided with a first recess, the first flat key part is arranged in the first recess, the first fixing member is connected with the horizontal turntable, the second fixing member is provided with a second recess, the second flat key part is arranged in the second recess, and the second fixing member is connected with the mounting seat.

9. The display screen angle gauge of claim 1, wherein, The vertical rotation assembly further includes a handle, and the handle is connected with the mounting seat.

10. The display screen angle gauge of claim 1, wherein, The vertical rotation assembly further includes a mounting plate and a flashlight mounting member, the flashlight mounting member includes a first mounting block and a second mounting block, the mounting plate is arranged on the mounting seat, the first mounting block is rotatably connected with the second mounting block, the first mounting block is arranged on the mounting plate, one side of the first mounting block close to the second mounting block is provided with a first arc-shaped through slot, one side of the second mounting block close to the first mounting block is provided with a second arc-shaped through slot, the first arc-shaped through slot and the second arc-shaped through slot form an installation hole in a surrounding manner, and the laser flashlight is arranged in the installation hole.

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