Optical detection equipment for naked-eye 3D display screen

Abstract

The utility model discloses an optical detection equipment of naked eye 3D display screen, including detection platform, support rotating frame, product jig subassembly and instrument arc detection mechanism, the support rotating frame is L-shaped frame structure, support rotating frame bottom is rotatingly connected on the detection platform, support rotating frame is vertically rotatingly connected with product jig subassembly, and the product jig subassembly is vertically rotatingly connected with the instrument arc detection mechanism. One or more display screen products can be clamped on the product jig assembly; the instrument arc-shaped detection mechanism comprises an arc-shaped sliding table, an optical instrument and a parallel light source generator, the arc-shaped sliding table is connected to the detection table through three supports, the arc-shaped sliding table is parallel to the detection table, the arc-shaped sliding table is arranged right in front of the product jig assembly, and the optical instrument and the parallel light source generator are both slidably connected to the arc-shaped sliding table. The parallel light source generator generates parallel detection light beams to a display screen product on the product jig assembly, and the optical instrument performs optical detection on the display screen product; the equipment has the characteristics of high detection convenience and free and adjustable detection angle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to optical detection instrument technical field, concretely relates to a kind of optical detection equipment of naked eye 3D display screen. BACKGROUND

[0002] Naked eye 3D display screen and 3D cinema realize stereoscopic display mode similarly, and the feature of 3D cinema is that the screen displays the picture of the left and right two perspectives staggered, and there is obvious ghosting when watching naked eye, and it is necessary to wear polarized glasses, so that the left and right eyes only see the corresponding picture.The display mode of naked eye 3D display screen is equivalent to moving the polarized glasses from the bridge of the nose of the audience to the front of the screen, and the "glasses" installed in front of the screen, i.e., the grating, and the grating and the screen are combined to form the naked eye 3D display screen.Through the grating control the light received by the human eye, so that each eye can only see part of the picture on the display screen.Because there is a certain difference between the pictures seen by the left and right eyes, it is usually called parallax, according to the difference of parallax, the virtual object deviates from the screen, and the out-of-screen or in-screen spatial stereoscopic effect is produced.The optical test items of naked eye 3D display screen include stereoscopic imaging evaluation, observer position optimization, visual fatigue evaluation and optical performance test.In the test, the position of the optical instrument in front of the display screen is very important, only in the appropriate position, the left and right eyes can see the picture content of the corresponding perspective, and the spatial stereoscopic visual experience standing in the shooting position can be produced, and the instrument for detecting 3D display screen needs to be aligned with the screen at multiple angles in front of the screen for detection, and the existing detection method is to establish the test items together on the standard test equipment, and such equipment is usually large in size, complex in mechanism and high in cost, and the detection efficiency is very low, so it is necessary to improve the existing detection equipment. UTILITY MODEL CONTENT

[0003] In view of the above problems and technical needs, the utility model provides a kind of optical detection equipment of naked eye 3D display screen, and the equipment can carry out optical detection of naked eye 3D display screen for smart mobile phones or tablet computers and other mobile electronic products, with the characteristics of high detection convenience and free adjustable detection angle.

[0004] The utility model discloses a technical scheme as follows: an optical detection equipment of naked eye 3D display screen, including detection table, support rotating frame, product fixture assembly and instrument arc detection mechanism, the support rotating frame is L type frame body structure, and the support rotating frame bottom is rotatably connected on the detection table, and the vertical rotation of support rotating frame is connected with product fixture assembly, and product fixture assembly can clamp one or more display screen products on the upper; Instrument arc detection mechanism includes arc slide, optical instrument and parallel light source generator, and the arc slide is connected on the detection table through three supports, and the arc slide is parallel with the detection table, and the arc slide sets up in the front of product fixture assembly, and optical instrument and parallel light source generator are all slidably connected on the arc slide, and parallel light source generator generates parallel detection beam to the display screen product on product fixture assembly, and optical instrument carries out optical detection to the display screen product. In the scheme, the display screen product is placed on the product fixture assembly, and the optical detection of each angle of the product can be completed through the cooperation with optical instrument and parallel light source generator, and the detection angle is comprehensive and the operation is convenient.

[0005] Further, the support rotating frame includes a fixedly connected bottom plate and a vertical plate, the bottom plate is connected to the detection table through a bearing, the bottom plate can drive the entire support rotating frame to horizontally rotate, the vertical plate is provided with a central control rotating table on the front side, and a servo motor is arranged on the rear side of the vertical plate, the servo motor is in transmission connection with the central control rotating table, the front end of the central control rotating table is fixedly connected to the middle part of the product fixture assembly, the servo motor drives the central control rotating table to rotate, and the central control rotating table drives the product fixture assembly to make a 360° rotary motion in the vertical direction. The support rotating frame can drive the product fixture assembly to make a horizontal rotation, and the central control rotating table drives the product fixture assembly to make a rotary motion in the vertical direction, so that the display screen product itself can be adjusted in multiple angles, and optical detection and evaluation can be carried out in any angle direction.

[0006] Further, the product fixture assembly includes a back plate, a jig fixing plate, a vertical sliding groove, a vertical fixing groove, an upper blocking strip and a lower blocking strip, the back plate is connected to the central control rotating table at the center of the back surface, the vertical sliding groove and the vertical fixing groove are symmetrically arranged on the front surface of the back plate, the upper blocking strip and the lower blocking strip are slidably connected to the upper part and the lower part of the vertical sliding groove respectively, locking screws are arranged on the two sides of the upper blocking strip and the lower blocking strip respectively, the locking screws can lock the upper blocking strip and the lower blocking strip in the vertical fixing grooves on the two sides, and the jig fixing plate is placed on the back plate.

[0007] Further, horizontal sliding grooves are symmetrically arranged on the upper blocking strip and the lower blocking strip, two telescopic pressing plates are connected to each horizontal sliding groove, vertical long holes and fastening screws are arranged on the telescopic pressing plates, the telescopic pressing plates can be adjusted up and down, the fastening screws lock the telescopic pressing plates on the horizontal sliding grooves, and the front ends of the telescopic pressing plates can be blocked on the surface of the jig fixing plate to limit the jig fixing plate.

[0008] Further, the middle part of the vertical fixing groove is fixedly provided with a horizontal sliding block capable of freely moving and fixing in the horizontal direction, and the horizontal sliding blocks on the two sides are respectively blocked on the left side and the right side of the jig fixing plate to limit the jig fixing plate in the horizontal direction.

[0009] In the above scheme, the upper and lower blocking strips and the telescopic pressing plate arranged on the upper and lower blocking strips can clamp the jig fixing plate in the vertical direction, and the horizontal sliding block limits the jig fixing plate in the horizontal direction, so that the clamping and fixing of the 14-inch inner moving product can be satisfied through the sliding adjustment in the up, down, left and right directions.

[0010] Further, the jig fixing plate is detachably connected with a product jig, and one or more display screen products are clamped on the product jig. By fixing the product jig on the jig fixing plate, a plurality of small-sized display screen products can be detected at a time.

[0011] Further, the arc-shaped sliding table is semicircular, the arc-shaped sliding table is provided with a semicircular arc-shaped guide rail and a flexible rack, the flexible rack is adhered to the outer side surface of the semicircular arc-shaped guide rail, the optical instrument is connected with a first sliding plate at the bottom, the first sliding plate is provided with a first pulley and a first gear at the bottom, the first pulley is slidingly connected in the semicircular arc-shaped guide rail, the first gear is meshingly connected with the flexible rack, the front end of the optical instrument is aligned with the jig fixing plate, and the first sliding plate is further provided with a first stepping motor for driving the first gear to rotate.

[0012] Further, the parallel light source generator is connected with a second sliding plate at the bottom, the second sliding plate is provided with a second pulley and a second gear at the bottom, the second pulley is slidingly connected in the semicircular arc-shaped guide rail, the second gear is meshingly connected with the flexible rack, the front end of the parallel light source generator is aligned with the jig fixing plate, and the second sliding plate is provided with a second stepping motor for driving the second gear to rotate.

[0013] The two stepping motors respectively drive the first gear and the second gear to move along the flexible rack, so that the parallel light source generator and the optical instrument can automatically move on the semicircular arc-shaped guide rail, the moving angle is 180 degrees in front of the display screen product, and all detection angles are covered, so that more comprehensive detection effect is achieved.

[0014] The utility model discloses the beneficial effect:

[0015] 1) The utility model discloses can carry out multi-angle detection to product, wherein the support rotating frame can support product horizontal rotation, the central control rotating table can support product 360-degree rotation in vertical direction, and the instrument arc detection mechanism arranged in the front of product moves and connects optical instrument and parallel light source generator on semicircular arc rail, makes optical instrument and parallel light source generator can move in the range of 180 degrees and align product, and optical instrument, parallel light source can carry out multi-angle cooperation with product and complete optical detection of each angle, has more comprehensive and accurate detection effect.

[0016] 2) The product fixture assembly can limit and lock the fixture fixed plate in four directions of up, down, left and right, and through the adjustment in four directions, the product fixture assembly can be adaptively adjusted, and products of multiple sizes within 14 inches can be stably clamped, so that the product does not shake in the detection process, and the stability of testing is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the optical detection equipment of naked eye 3D display screen of the utility model;

[0018] Figure 2 It is a plan view of the optical detection equipment of naked eye 3D display screen of the utility model;

[0019] Figure 3 It is a structure diagram of the support rotating frame in the utility model;

[0020] Figure 4 It is a structure diagram of the product fixture assembly in the utility model;

[0021] Figure 5 It is the clamping diagram of the product fixture in the fixture fixed plate in the utility model;

[0022] Figure 6 It is the structure of the instrument arc detection mechanism in the utility model Figure 1 ;

[0023] Figure 7 It is the structure of the instrument arc detection mechanism in the utility model Figure 2 ;

[0024] Marked in the figure: detection platform 1, support rotating frame 2, bottom plate 21, bearing 211, vertical plate 22, central control rotating table 23, servo motor 24, product fixture assembly 3, back plate 31, fixture fixed plate 32, vertical sliding slot 33, vertical fixed slot 34, upper blocking strip 35, horizontal sliding slot 351, telescopic pressing plate 352, vertical long hole 353, fastening screw 354, lower blocking strip 36, locking screw 37, horizontal sliding block 38, instrument arc-shaped detection mechanism 4, arc-shaped sliding table 5, semicircular arc-shaped guide rail 51, flexible rack 52, support 53, optical instrument 6, first sliding plate 61, first pulley 62, first gear 63, first stepping motor 64, parallel light source generator 7, second sliding plate 71, second pulley 72, second stepping motor 73, product fixture 8, display screen product 81. DETAILED DESCRIPTION

[0025] The application will be further described below in conjunction with the drawings and examples.

[0026] As Figures 1-7 The utility model discloses a naked eye 3D display screen's optical detection equipment, including detection platform 1, support rotating frame 2, product fixture assembly 3 and instrument arc-shaped detection mechanism 4, support rotating frame 2 is L type frame body structure, and support rotating frame 2 bottom rotation is connected on detection platform 1, and support rotating frame 2 is vertically connected with product fixture assembly 3 on, and product fixture assembly 3 can clamp one or more display screen products 81.

[0027] Support rotating frame 2 includes fixedly connected bottom plate 21 and vertical plate 22, and bottom plate 21 is connected on detection platform 1 through bearing 211, and bottom plate 21 can drive whole support rotating frame 2 horizontal rotation, and vertical plate 22 front side installs central control rotating table 23, and vertical plate 22 rear side is equipped with servo motor 24, and servo motor 24 is connected with the transmission of central control rotating table 23, and the front end of central control rotating table 23 is fixedly connected with the middle part of product fixture assembly 3, and servo motor 24 drives central control rotating table 23 rotation, and central control rotating table 23 drives product fixture assembly 3 to make 360 ° rotary motion in vertical direction.

[0028] The product fixture assembly 3 comprises a back plate 31, a fixture fixing plate 32, a vertical sliding groove 33, a vertical fixing groove 34, an upper blocking strip 35 and a lower blocking strip 36, the back plate 31 is connected with the center of the middle control rotating table 23 in the back, the vertical sliding groove 33 and the vertical fixing groove 34 are symmetrically arranged on the front of the back plate 31, the upper blocking strip 35 and the lower blocking strip 36 are respectively slidably connected with the upper part and the lower part of the vertical sliding groove 33, the locking screws 37 are respectively arranged on the two sides of the upper blocking strip 35 and the lower blocking strip 36, the locking screws 37 can lock the upper and lower blocking strips in the vertical fixing grooves on the two sides, the fixture fixing plate 32 is placed on the back plate 31, the upper blocking strip 35 and the lower blocking strip 36 are respectively blocked on the upper edge and the lower edge of the fixture fixing plate 32, and the fixture fixing plate 32 is limited. The horizontal sliding grooves 351 are symmetrically arranged on the upper blocking strip 35 and the lower blocking strip 36, two telescopic pressing plates 352 are connected with each horizontal sliding groove 351, vertical long holes 353 and fastening screws 354 are arranged on the telescopic pressing plates 352, the telescopic pressing plates 352 can be adjusted up and down, the fastening screws 354 lock the telescopic pressing plates 352 on the horizontal sliding grooves 351, and the front ends of the telescopic pressing plates 352 are extended to be blocked on the surface of the fixture fixing plate 32, so that the fixture fixing plate 32 is limited. The horizontal sliding blocks 38 are fixedly arranged in the middle of the vertical fixing grooves 34, the horizontal sliding blocks 38 can be freely moved and fixed in the horizontal direction, and the horizontal sliding blocks 38 on the two sides are respectively blocked on the left side and the right side of the fixture fixing plate 32, so that the fixture fixing plate 32 is limited in the horizontal direction.

[0029] The above supporting rotating frame 2 can support the horizontal rotation of the product, the middle control rotating table 23 can support the 360-degree rotation of the product in the vertical direction, the instrument arc-shaped detection mechanism 4 arranged in front of the product moves the optical instrument 6 and the parallel light source generator 7 and connects them with the semicircular arc-shaped guide rail 51, so that the optical instrument 6 and the parallel light source generator 7 can be moved to align with the product in the range of 180 degrees, the optical instrument and the parallel light source can cooperate with the product at multiple angles to complete optical detection at various angles, and the detection effect is more comprehensive and accurate.

[0030] The instrument arc-shaped detection mechanism 4 comprises an arc-shaped sliding table 5, an optical instrument 6 and a parallel light source generator 7, the arc-shaped sliding table 5 is connected with the detection table 1 through three supports 53, the arc-shaped sliding table 5 is parallel to the detection table, the arc-shaped sliding table 5 is arranged in front of the product fixture assembly 3, the optical instrument 6 and the parallel light source generator 7 are slidably connected with the arc-shaped sliding table 5, the parallel light source generator 7 generates parallel detection light beams to the display screen product 81 on the product fixture assembly 3, and the optical instrument 6 performs optical detection on the display screen product 81. The product fixture 8 is detachably connected with the fixture fixing plate 32, and one or more display screen products 81 are clamped on the product fixture 8.

[0031] The arc-shaped sliding table 5 is semicircular, and is provided with a semicircular arc-shaped guide rail 51 and a flexible rack 52. The flexible rack 52 is adhered to the outer side of the semicircular arc-shaped guide rail 51. The optical instrument 6 is connected to a first sliding plate 61 at the bottom. The first sliding plate 61 is provided with a first pulley 62 and a first gear 63 at the bottom. The first pulley 62 is slidingly connected in the semicircular arc-shaped guide rail 51. The first gear 63 is in meshing connection with the flexible rack 52. The optical instrument 6 is aligned with the jig fixing plate 32 at the front end. The first sliding plate 61 is further provided with a first stepping motor 64 for driving the first gear 63 to rotate. The parallel light source generator 7 is connected to a second sliding plate 71 at the bottom. The second sliding plate 71 is provided with a second pulley 72 and a second gear (not shown) at the bottom. The second pulley 72 is slidingly connected in the semicircular arc-shaped guide rail 51. The second gear is in meshing connection with the flexible rack 52. The parallel light source generator 7 is aligned with the jig fixing plate 32 at the front end. The second sliding plate 71 is provided with a second stepping motor 73 for driving the second gear to rotate.

[0032] The two stepping motors drive the first gear and the second gear to move along the flexible rack respectively, so that the parallel light source generator and the optical instrument can automatically move on the semicircular arc-shaped guide rail. The moving angle is 180 degrees in front of the display screen product, which covers all detection angles and has a more comprehensive detection effect.

[0033] The working process of the utility model is as follows: the product jig 8 clamped with one or more display screen products 81 is fixedly installed on the jig fixing plate 32. The position of the jig fixing plate 32 is adjusted, so that the display screen products 81 are opposite to the optical instrument 6 and the parallel light source generator 7. The upper and lower blocking strips 35 and 36 are respectively slid and abut against the upper and lower edges of the jig fixing plate 32. The upper and lower blocking strips 35 and 36 are locked with the vertical fixing groove 34 through the locking screw members 37. The left and right horizontal sliding blocking blocks 38 are adjusted, so that the front ends of the blocking blocks abut against the left and right sides of the jig fixing plate 32. The telescopic pressing plate 352 is adjusted and locked, so that the telescopic pressing plate 352 is blocked on the jig fixing plate 32. At this time, the jig fixing plate 32 and the display screen products 81 installed on the plate are in a fixed state. The central control rotating table 23 drives the jig fixing plate 32 to rotate in the vertical direction. The supporting rotating frame 2 drives the jig fixing plate 32 to rotate in the horizontal direction. Therefore, the angle of the display screen product can be freely adjusted. The parallel light source generator 7 and the optical instrument 6 can slide and adjust the angle of the display screen products 81 along the semicircular arc-shaped guide rail 51. The above three cooperate to detect the display screen products 81 from multiple angles.

[0034] The above is only the preferred embodiments of the utility model, but the protection scope of the utility model is not limited to this. Any person skilled in the art can easily think of the changes and replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. An optical inspection device for a naked-eye 3D display screen, characterized in that: The device includes a testing platform, a supporting rotating frame, a product fixture assembly, and an instrument arc-shaped testing mechanism. The supporting rotating frame has an L-shaped frame structure, with its bottom rotatably connected to the testing platform. The product fixture assembly is vertically rotatably connected to the supporting rotating frame, and one or more display screen products can be clamped on the product fixture assembly. The instrument arc-shaped testing mechanism includes an arc-shaped slide, an optical instrument, and a parallel light source generator. The arc-shaped slide is connected to the testing platform via three supports and is parallel to the testing platform. The arc-shaped slide is positioned directly in front of the product fixture assembly. The optical instrument and the parallel light source generator are both slidably connected to the arc-shaped slide. The parallel light source generator emits a parallel detection beam towards the display screen product on the product fixture assembly, and the optical instrument performs optical detection on the display screen product.

2. The optical inspection device for a naked-eye 3D display screen according to claim 1, characterized in that: The supporting rotating frame includes a fixedly connected base plate and an upright plate. The base plate is connected to the testing table via bearings and can drive the entire supporting rotating frame to rotate horizontally. A central control rotating table is installed on the front side of the upright plate, and a servo motor is installed on the rear side of the upright plate. The servo motor is connected to the central control rotating table for transmission. The front end of the central control rotating table is fixedly connected to the middle of the product fixture assembly. The servo motor drives the central control rotating table to rotate, and the central control rotating table drives the product fixture assembly to rotate 360° in the vertical direction.

3. The optical inspection device for a naked-eye 3D display screen according to claim 2, characterized in that: The product fixture assembly includes a back plate, a fixture fixing plate, a vertical slide groove, a vertical fixing groove, an upper stop bar, and a lower stop bar. The back of the back plate is connected to a central control rotary table. The front of the back plate has symmetrical vertical slide grooves and vertical fixing grooves on both sides. The upper stop bar and the lower stop bar are slidably connected to the upper and lower parts of the vertical slide groove, respectively. The upper stop bar and the lower stop bar have locking threads on both sides, which can lock the upper and lower stop bars in the vertical fixing grooves on both sides. The fixture fixing plate is placed on the back plate, and the upper stop bar and the lower stop bar block the upper edge and the lower edge of the fixture fixing plate, respectively, to limit the position of the fixture fixing plate.

4. The optical inspection device for a naked-eye 3D display screen according to claim 3, characterized in that: The upper and lower baffles are symmetrically provided with horizontal sliding grooves. Each horizontal sliding groove is connected to two telescopic pressure plates. The telescopic pressure plates are provided with vertical elongated holes and fastening screws. The telescopic pressure plates can slide up and down for adjustment. The fastening screws lock the telescopic pressure plates on the horizontal sliding grooves. The front end of the telescopic pressure plates extends out and can block the surface of the fixture fixing plate, limiting the position of the fixture fixing plate.

5. The optical inspection device for a naked-eye 3D display screen according to claim 4, characterized in that: A horizontal sliding block is fixedly installed in the middle of the vertical fixing groove. The horizontal sliding block can move freely and be fixed in the horizontal direction. The horizontal sliding blocks on both sides block the left and right sides of the fixture fixing plate respectively, and limit the horizontal direction of the fixture fixing plate.

6. The optical inspection device for a naked-eye 3D display screen according to claim 5, characterized in that: The fixture mounting plate is detachably connected to a product fixture, on which one or more display screen products are mounted.

7. The optical inspection device for a naked-eye 3D display screen according to claim 6, characterized in that: The arc-shaped slide is semi-circular, and a semi-circular arc-shaped guide rail and a flexible rack are provided on the arc-shaped slide. The flexible rack is attached to the outer side of the semi-circular arc-shaped guide rail. The bottom of the optical instrument is connected to the first slide plate. The bottom of the first slide plate is provided with a first pulley and a first gear. The first pulley is slidably connected in the semi-circular arc-shaped guide rail. The first gear is meshed with the flexible rack. The front end of the optical instrument is aligned with the fixture fixing plate. The first slide plate is also provided with a first stepper motor that drives the first gear to rotate.

8. The optical inspection device for a naked-eye 3D display screen according to claim 7, characterized in that: The bottom of the parallel light source generator is connected to the second slide plate. The bottom of the second slide plate is provided with a second pulley and a second gear. The second pulley is slidably connected in the semi-circular arc guide rail. The second gear is meshed with the flexible rack. The front end of the parallel light source generator is aligned with the fixture fixing plate. The second slide plate is provided with a second stepper motor that drives the second gear to rotate.

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