CN116312309A - Detection device for OLED display screen - Google Patents
Detection device for OLED display screen Download PDFInfo
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- CN116312309A CN116312309A CN202310540319.2A CN202310540319A CN116312309A CN 116312309 A CN116312309 A CN 116312309A CN 202310540319 A CN202310540319 A CN 202310540319A CN 116312309 A CN116312309 A CN 116312309A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
- G09F9/335—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The invention discloses a detection device for an OLED display screen, and relates to the field of detection equipment. The invention comprises a detection box, a detection mechanism and a shading mechanism, wherein after the OLED display screen is installed in the box, the detection box is not directly electrified and started, only when the brightness meter moves to the upper part of a certain row of OLED display screens to detect the OLED display screen, the longitudinal driving component and the lifting transmission component are matched to drive the detection plate to ascend so as to electrify and start the row of OLED display screens, and when the row of OLED display screens are detected, the longitudinal driving component drives the brightness meter to move so as to detect the next row of OLED display screens, the longitudinal driving component and the lifting transmission component are matched to drive the detection plate to descend so as to cut off the power of the row of OLED display screens, thereby reducing the invalid electrifying time of each display screen in the detection process, further reducing the waste of electric quantity and reducing the detection cost of the display screens.
Description
Technical Field
The invention belongs to the field of detection equipment, and particularly relates to a detection device for an OLED display screen.
Background
The OLED display screen is a display screen made of organic light emitting diodes. The self-luminous organic electroluminescent diode has the advantages of no need of a backlight source, high contrast, thin thickness, wide viewing angle, high reaction speed, wide use temperature range, simple structure and manufacturing process and the like, and can be used for flexible panels. In the preparation process of the OLED display screen, the display screen detection device is required to be used for photoelectric detection of the OLED display screen.
Chinese patent CN202307069U discloses a detection device for detecting flat panel display, this display performance detection device includes the cavity, installs fixed plate, vertical movement mechanism, horizontal movement mechanism and the luminance meter in the cavity, be equipped with detection mouth and outstanding counterpoint piece on the fixed plate, counterpoint piece distributes the detection mouth periphery is used for fixing flat panel display, the detection mouth is contained and is detected the board, have on the detection board with the probe that the circuit pin of flat panel display corresponds, vertical movement mechanism fixes in the cavity, vertical movement mechanism with horizontal movement mechanism links to each other and drives horizontal movement mechanism is in the vertical slip of detection board top, horizontal movement mechanism with the luminance meter links to each other and drives the luminance meter is in the horizontal slip of detection board top. The brightness meter can be driven to move vertically and horizontally through the cooperation of the longitudinal moving mechanism and the transverse moving mechanism, and a plurality of display screens distributed in the cavity are sequentially detected, so that the detection efficiency is improved. But when the display screen passes through the fixed plate and installs in the cavity, a plurality of display screens are connected with multiunit probe one-to-one for a plurality of display screens are in the circular telegram open state simultaneously in the testing process, and the luminance meter can only detect a display screen once, thereby can all have a large amount of invalid on-time to cause every display screen in the testing process, and then lead to the waste of electric quantity, the testing cost of display screen has been improved, all display screens all are in circular telegram luminous state simultaneously, the light that other display screens sent can cause the interference to the luminance meter when leading to detecting, and then influence the detection precision.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides the detection device for the OLED display screen, which is characterized in that the OLED display screen is not directly electrified to be started after being installed in the box body, and only when the brightness meter moves to the upper part of a certain row of OLED display screens to detect the brightness meter, the longitudinal driving component and the lifting transmission component are matched to drive the detection plate to ascend so as to electrify and start the row of OLED display screens, thereby reducing the invalid electrifying time of each display screen in the detection process, further reducing the waste of electric quantity and reducing the detection cost of the display screen.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a detection device for an OLED display screen, which comprises a detection box, a detection mechanism and a shading mechanism, wherein the detection box comprises a box body, a plurality of detection plates and jig plates, the detection plates are distributed in equal intervals and are installed in the box body in a lifting mode, a plurality of groups of probes are installed on the top surface of each detection plate in equal intervals, the jig plates are installed in the box body, and the jig plates are positioned above the detection plates, and a plurality of jig grooves which are distributed in a uniform arrangement and correspond to the groups of probes one by one are arranged on the jig plates;
the detection mechanism comprises a longitudinal driving assembly, a transverse driving assembly, a lifting transmission assembly, a movable seat and a brightness meter, wherein the longitudinal driving assembly is arranged at the upper position of a jig plate in the box body, the transverse driving assembly is arranged on the longitudinal driving assembly, the movable seat is arranged on the transverse driving assembly, the brightness meter is fixedly arranged on the movable seat, and the lifting transmission assembly is arranged between the longitudinal driving assembly and the detection plate; the vertical driving assembly is used for driving the horizontal driving assembly, the movable seat and the luminance meter to move longitudinally in the box body, meanwhile, the vertical driving assembly drives the detection plate below the horizontal driving assembly to move upwards in the box body through the lifting transmission assembly, and the horizontal driving assembly is used for driving the movable seat and the luminance meter to move transversely in the box body along the detection plate after the detection plate rises;
the shading mechanism comprises a translation transmission assembly, a movable frame, a traction assembly and shading curtains, wherein the movable frame is arranged below the transverse driving assembly and is connected with the longitudinal driving assembly through the translation transmission assembly, two shading curtains are arranged, the two shading curtains are respectively arranged at two ends of the movable frame, and the end parts of the two shading curtains are respectively connected with two ends of the movable seat through the traction assembly; the vertical drive assembly is used for driving the horizontal drive assembly, the movable seat and the luminance meter to move in the box body in a vertical direction, and synchronously drives the movable frame and the window shades to move in the box body.
Further, mounting seats are fixedly mounted at two ends of the inside of the box body, a plurality of lifting sliding grooves which are distributed at equal intervals are formed in the inner side surface of each mounting seat, and a plurality of detection plates are respectively and slidably mounted in the lifting sliding grooves;
the inner side of the mounting seat is provided with a horizontal slot above the lifting sliding chute, the jig plate is slidably inserted into the horizontal slot, and one end of the jig plate extends to the outside of the box body.
Further, the vertical drive assembly includes lead screw drive unit, slider and spacing guide rail, lead screw drive unit install in the inside of box, the slider is provided with two, two the slider equal screw thread install in on the lead screw drive unit, the horizontal drive assembly installs between two sliders, two the lateral surface of slider all is provided with spacing spout, spacing guide rail is provided with two, two spacing guide rail respectively fixed mounting in on the inner wall at box both ends, and two spacing guide rail respectively with the spacing spout sliding connection of two slider lateral surfaces.
Further, the screw rod driving unit comprises a driven screw rod, a driving screw rod and a rotating motor, wherein the driven screw rod and the driving screw rod are respectively and rotatably arranged at two ends of the inside of the box body, and the two sliding blocks are respectively and spirally arranged on the driven screw rod and the driving screw rod;
the rotary motor is arranged at one end of the driving screw rod, a first synchronous wheel and a second synchronous wheel are respectively and fixedly arranged on the driving screw rod and the driven screw rod, and the first synchronous wheel is connected with the second synchronous wheel through a synchronous belt.
Further, the transverse driving assembly comprises a linear motor, the linear motor is fixedly arranged between the two sliding blocks, and the movable seat is arranged on the bottom surface of the linear motor.
Further, the lifting transmission assembly comprises racks, rotating shafts and transmission shafts, the rotating shafts and the transmission shafts are provided with a plurality of rotating shafts, the rotating shafts are equidistantly distributed and rotatably mounted on the inner side surfaces of the mounting seats, the rotating shafts are respectively located under the detecting plates, and cams are fixedly mounted at two ends of each rotating shaft;
the transmission shafts are equidistantly distributed and rotatably mounted on the outer side face of the mounting seat, gears and driving wheels are fixedly mounted on each transmission shaft, the racks are mounted on the bottom face of the sliding block and are meshed with the gears right below the racks, driven wheels are fixedly mounted on the shaft ends of the rotation shafts, and the corresponding driving wheels are connected with the driven wheels through driving belts.
Further, the translation transmission assembly comprises two moving plates, the two moving plates are respectively and fixedly arranged on the bottom surfaces of the two sliding blocks, and the bottom ends of the two moving plates are respectively and fixedly connected with the two ends of the moving frame;
the traction assembly comprises two groups of connecting rods and two groups of connecting seats, the two groups of connecting rods are respectively installed on two sides of the movable seat through the two groups of connecting seats, and the bottom ends of the two groups of connecting rods are respectively and fixedly connected with the end parts of the two window shades.
Further, the window shade comprises a track groove, a sliding seat, a piece of shading cloth and a plurality of supporting rods, wherein the track groove is arranged on two sides of the interior of the movable frame, the plurality of supporting rods are arranged on the surface of the shading cloth in an equidistant distribution manner;
every both ends of branch all fixed mounting have the sliding seat, just the sliding seat at branch both ends is sliding mounting in the track groove at removal frame both ends respectively, simultaneously the branch of shading cloth one end outside and the tip fixed connection of removing the frame, the branch of shading cloth other end outside. Is fixedly connected with the bottom end of the connecting rod.
The invention has the following beneficial effects:
1. according to the invention, the detection plate is arranged in the box in a lifting manner, meanwhile, the height of the probe on the top surface of the detection plate is smaller than that of the OLED display screen in the jig plate, so that when the OLED display screen is arranged in the box, the circuit pins on the bottom surface of the OLED display screen are separated from the probes, the OLED display screen cannot be electrified to be lightened, and when the longitudinal driving assembly is used for driving the transverse driving assembly, the movable seat and the luminance meter to longitudinally move in the box so that the luminance meter moves above a certain row of OLED display screens, the longitudinal driving assembly drives the detection plate and the probes below the row of OLED display screens to ascend through the lifting transmission assembly, thereby enabling the circuit pins on the bottom surface of the row of OLED display screens to be in contact with the probes, further enabling the row of OLED display screens to be electrified to be started, and then the transverse driving assembly is used for driving the movable seat and the luminance meter to transversely move along the lightened transverse movement OLED display screens so as to detect the lightened OLED display screens through the luminance meter; the OLED display screen is installed in the box body and is not directly electrified to be started, only when the luminance meter moves to the upper side of a certain row of OLED display screen to detect the luminance meter, the longitudinal driving assembly and the lifting transmission assembly are matched to drive the detection plate to ascend so as to enable the row of OLED display screen to be electrified to be started, and when the row of OLED display screen is detected, the longitudinal driving assembly drives the luminance meter to move to detect the next row of OLED display screen, the longitudinal driving assembly and the lifting transmission assembly are matched to drive the detection plate to descend so as to enable the row of OLED display screen to be powered off and turned off, so that invalid powering time of each display screen in the detection process can be reduced, waste of electric quantity is reduced, and detection cost of the display screen is reduced.
2. According to the invention, when the longitudinal driving assembly is used for driving the transverse driving assembly, the movable seat and the luminance meter to longitudinally move in the box body so as to enable the luminance meter to move above a certain row of OLED display screens, the longitudinal driving assembly simultaneously drives the movable frame and the window shades to move above the row of OLED display screens through the translation transmission assembly, and when the transverse driving assembly is used for driving the movable seat and the luminance meter to transversely move along the row of OLED display screens for detection, the movable seat simultaneously pulls the two window shades through the pulling assembly, so that the end parts of the two window shades synchronously move along with the movable seat, and further, the two window shades are matched for shielding the OLED display screens on two sides of the luminance meter respectively, and the OLED display screens under the luminance meter are used for non-shielding light transmission, so that interference of the luminance meter on detection of the luminance meter caused by light emitted by other OLED display screens in the row can be prevented, and the detection precision of the luminance meter on the OLED display screens is improved.
3. According to the invention, after detection of all OLED display screens is completed, the transverse driving assembly, the movable seat and the brightness meter can be longitudinally moved to the outer side above the detection plate in the box body through the longitudinal driving assembly to be staggered with the detection plate, and at the moment, all detection plates are arranged at the lowest point in a descending mode, so that all probes are separated from circuit pins on the bottom surface of the OLED display screens, then the jig plates can be directly pulled out from the side surface of the box body, all detected OLED display screens are taken out, and similarly, before detection, the jig plates loaded with the OLED display screens are directly inserted into the box body, so that the loading and the taking out of the jig plates and the OLED display screens are more convenient through lifting of the detection plates and the probes, and the detection efficiency of the OLED display screens can be improved.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the invention, the drawings that are needed for the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a three-dimensional cutaway structure of a detection device of the present invention;
FIG. 2 is a schematic view of the structure of the present invention shown in FIG. 1 at a partially enlarged scale;
FIG. 3 is a schematic perspective view of a detecting device according to the present invention;
FIG. 4 is a schematic view of a three-dimensional cut-away structure of the detection device of the present invention in use;
FIG. 5 is a schematic view of the structure of the present invention shown in FIG. 4 at B in a partially enlarged manner;
FIG. 6 is a schematic view of the mounting structure of the jig plate in the inspection apparatus according to the present invention;
FIG. 7 is a schematic view of the mounting structure of the detection plate in the detection device;
fig. 8 is a schematic view of a partial enlarged structure at C of fig. 7 according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a detection box; 11. a case; 12. a mounting base; 13. a detection plate; 14. a probe; 15. a jig plate; 16. a jig groove; 17. lifting sliding grooves; 18. a horizontal slot; 2. a detection mechanism; 21. a driven screw rod; 22. a slide block; 23. a spacing guide rail; 24. a rack; 25. a rotating shaft; 26. a cam; 27. a linear motor; 28. a movable seat; 29. a luminance meter; 210. driven wheel; 211. a transmission belt; 212. a gear; 213. a driving screw rod; 214. a rotating electric machine; 215. a first synchronizing wheel; 216. a synchronous belt; 217. a second synchronizing wheel; 218. a transmission shaft; 219. a driving wheel; 3. a light shielding mechanism; 31. a moving rack; 32. a window shade; 33. a moving plate; 34. a connecting rod; 35. a connecting seat; 321. a track groove; 322. a sliding seat; 323. a shade cloth; 324. a support rod;
400. OLED display screen.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, based on the embodiments in the invention, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "top," "middle," "inner," and the like indicate an orientation or positional relationship, merely for convenience of description and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1-2, the invention discloses a detection device for an OLED display screen, which comprises a detection box 1, a detection mechanism 2 and a shading mechanism 3, wherein the detection box 1 comprises a box body 11, a detection plate 13 and a jig plate 15, the detection plate 13 is provided with a plurality of detection plates 13 which are equidistantly distributed and are installed in the box body 11 in a lifting manner, the top surface of each detection plate 13 is equidistantly distributed and is provided with a plurality of groups of probes 14, the jig plate 15 is installed in the box body 11, the jig plate 15 is positioned above the detection plate 13, and the jig plate 15 is provided with a plurality of jig grooves 16 which are uniformly distributed and are in one-to-one correspondence with the plurality of groups of probes 14; the detection mechanism 2 comprises a longitudinal driving assembly, a transverse driving assembly, a lifting transmission assembly, a movable seat 28 and a brightness meter 29, wherein the longitudinal driving assembly is arranged at the position above the jig plate 15 in the box body 11, the transverse driving assembly is arranged on the longitudinal driving assembly, the movable seat 28 is arranged on the transverse driving assembly, the brightness meter 29 is fixedly arranged on the movable seat 28, and the lifting transmission assembly is arranged between the longitudinal driving assembly and the detection plate 13; the longitudinal driving assembly is used for driving the transverse driving assembly, the movable seat 28 and the luminance meter 29 to longitudinally move in the box 11, meanwhile, the longitudinal driving assembly drives the detection plate 13 below the transverse driving assembly to ascend in the box 11 through the lifting transmission assembly, and the transverse driving assembly is used for driving the movable seat 28 and the luminance meter 29 to transversely move in the box 11 along the ascending detection plate 13; the light shielding mechanism 3 comprises a translation transmission assembly, a movable frame 31, a traction assembly and a light shielding curtain 32, wherein the movable frame 31 is arranged below the transverse driving assembly and is connected with the longitudinal driving assembly through the translation transmission assembly, the number of the light shielding curtains 32 is two, the two light shielding curtains 32 are respectively arranged at two ends of the movable frame 31, and the end parts of the two light shielding curtains 32 are respectively connected with two ends of the movable seat 28 through the traction assembly; the longitudinal driving assembly is used for driving the transverse driving assembly, the movable seat 28 and the luminance meter 29 to move longitudinally in the box 11, the longitudinal driving assembly simultaneously drives the movable frame 31 and the window shades 32 to move in the box 11 through the translation transmission assembly, and the transverse driving assembly is used for driving the movable seat 28 and the luminance meter 29 to move transversely in the box 11 along the ascending detection plate 13, and the movable seat 28 simultaneously pulls the two window shades 32 through the traction assembly;
when the OLED display screen 400 is detected, a plurality of OLED display screens 400 are sequentially clamped and placed in a plurality of jig grooves 16 on the jig plate 15, at this time, a group of power supply probes 14 corresponding to circuit pins of the OLED display screen 400 are arranged below each OLED display screen 400, and a certain gap is reserved between each probe 14 and each circuit pin of the OLED display screen 400, so that the OLED display screen 400 is not electrified and started initially; the longitudinal driving assembly is used for driving the transverse driving assembly, the movable seat 28 and the luminance meter 29 to longitudinally move in the box 11, so that the transverse driving assembly, the movable seat 28 and the luminance meter 29 are moved to be right above one detection plate 13, meanwhile, the longitudinal driving assembly drives the detection plate 13 below the transverse driving assembly to ascend in the box 11 through the lifting transmission assembly, further drives the probes 14 on the detection plate 13 to ascend and butt-joint circuit pins of the OLED display screen 400 above, so that the OLED display screen 400 in the corresponding transverse area above the detection plate 13 is electrified to be lightened, the longitudinal driving assembly also drives the movable frame 31 and the shading curtain 32 to move in the box 11 through the translation transmission assembly, so that the movable frame 31 and the shading curtain 32 are always positioned above the lightened OLED display screen 400 to shade the lightened OLED display screen 400, finally, the transverse driving component is used for driving the movable seat 28 and the luminance meter 29 to transversely move along the lightened OLED display screen 400 in the box 11, so that the lightened OLED display screen 400 is sequentially subjected to luminance detection through the luminance meter 29, and when the movable seat 28 and the luminance meter 29 are moved, the movable seat 28 simultaneously pulls the two light shields 32 through the pulling component, so that the end parts of the two light shields 32 always move along with the movable seat 28 and the luminance meter 29, the luminance meter 29 is always positioned in a gap between the two light shields 32, the luminance meter 29 can conveniently detect the luminance of the OLED display screen 400 exposed in the gap, the two light shields 32 are matched with the lightened OLED display screen 400 at two sides of the luminance meter 29 to shade light, the detection result of the luminance meter 29 is prevented from being interfered by the nearby lightened OLED display screen 400, the detection accuracy of the luminance meter 29 on the OLED display screen 400 can be improved, with this reciprocation, all the OLED display screens 400 on the jig plate 15 can be detected one by the cooperation of the detection mechanism 2 and the light shielding mechanism 3.
Referring to fig. 3-8, in one embodiment, both ends of the interior of the case 11 are fixedly provided with mounting seats 12, the inner side of the mounting seats 12 is provided with a plurality of lifting sliding grooves 17 distributed at equal intervals, and a plurality of detection plates 13 are respectively slidably mounted in the lifting sliding grooves 17; the inner side surface of the mounting seat 12 is provided with a horizontal slot 18 positioned above the lifting chute 17, the jig plate 15 is slidably inserted into the horizontal slot 18, and one end of the jig plate 15 extends to the outside of the box 11;
after all OLED display screens 400 are detected, the transverse driving assembly, the movable seat 28 and the luminance meter 29 are longitudinally moved to the outer side above the detection plate 13 in the box 11 through the longitudinal driving assembly to be staggered with the detection plate 13, and at the moment, all the detection plates 13 are driven by the lifting transmission assembly to slide to the lowest end position of the lifting chute 17, so that probes 14 on the top surfaces of all the detection plates 13 are separated from circuit pins on the bottom surfaces of the OLED display screens 400, then the jig plates 15 are directly pulled out from the side surfaces of the box 11, all the detected OLED display screens 400 are taken out, and similarly, before detection, the jig plates 15 which are vertically and horizontally arranged and loaded with the OLED display screens 400 penetrate through the side walls of the box 11 and are slidingly inserted into the horizontal slots 18, so that the jig plates 15 and the OLED display screens 400 can be installed, and the jig plates 15 can be conveniently and quickly loaded and taken out through lifting of the lifting transmission assemblies 13 and the jig plates 15, and the detection efficiency of the OLED display screens 400 can be further improved.
Referring to fig. 1-2 and fig. 4, in one embodiment, the longitudinal driving assembly includes a screw driving unit, two sliders 22 and a limit rail 23, the screw driving unit is mounted inside the case 11, the two sliders 22 are both screwed on the screw driving unit, the transverse driving assembly is mounted between the two sliders 22, the outer side surfaces of the two sliders 22 are both provided with limit sliding grooves, the limit rail 23 is provided with two limit rails 23, the two limit rails 23 are respectively fixedly mounted on the inner walls of the two ends of the case 11, and the two limit rails 23 are respectively connected with the limit sliding grooves of the outer sides of the two sliders 22 in a sliding manner; the screw driving unit comprises a driven screw 21, a driving screw 213 and a rotating motor 214, wherein the driven screw 21 and the driving screw 213 are respectively rotatably installed at two ends of the inside of the box 11, and two sliding blocks 22 are respectively and threadedly installed on the driven screw 21 and the driving screw 213; the rotating motor 214 is mounted at one end of the driving screw rod 213, a first synchronizing wheel 215 and a second synchronizing wheel 217 are respectively and fixedly mounted on the driving screw rod 213 and the driven screw rod 21, and the first synchronizing wheel 215 is connected with the second synchronizing wheel 217 through a synchronizing belt 216; the transverse driving assembly comprises a linear motor 27, the linear motor 27 is fixedly arranged between the two sliding blocks 22, and the movable seat 28 is arranged on the bottom surface of the linear motor 27;
during detection, the driving screw rod 213 is driven to rotate through the rotating motor 214, meanwhile, the driving screw rod 213 drives the driven screw rod 21 to synchronously rotate through the transmission of the first synchronizing wheel 215, the second synchronizing wheel 217 and the synchronous belt 216, and the driving screw rod 213 and the driven screw rod 21 synchronously rotate through the threaded transmission and simultaneously drive the two sliding blocks 22 to move along the limiting guide rail 23, and the sliding blocks 22 drive the linear motor 27, the movable seat 28 and the luminance meter 29 to move, so that the luminance meter 29 moves longitudinally in the box 11, and when the luminance meter 29 is just above a certain row of OLED display screens 400, the linear motor 27 drives the movable seat 28 and the luminance meter 29 to transversely move along the row of OLED display screens 400, and then the lower OLED display screens 400 are detected one by one through longitudinal and transverse movement of the luminance meter 29.
Referring to fig. 4-5, in one embodiment, the lifting transmission assembly includes a rack 24, a rotating shaft 25 and a transmission shaft 218, wherein the rotating shaft 25 and the transmission shaft 218 are both provided with a plurality of rotating shafts 25, the plurality of rotating shafts 25 are equidistantly distributed and rotatably mounted on the inner side surface of the mounting seat 12, the plurality of rotating shafts 25 are respectively located under the plurality of detecting plates 13, and cams 26 are fixedly mounted at two ends of each rotating shaft 25; the plurality of transmission shafts 218 are equidistantly and rotatably arranged on the outer side surface of the mounting seat 12, a gear 212 and a driving wheel 219 are fixedly arranged on each transmission shaft 218, the rack 24 is arranged on the bottom surface of the sliding block 22, the rack 24 is meshed with the gear 212 right below the rack 24, driven wheels 210 are fixedly arranged at the shaft ends of the plurality of rotation shafts 25, and the corresponding driving wheel 219 and the driven wheels 210 are connected through a transmission belt 211;
wherein the protruding end of the cam 26 is initially vertically downward, when the slider 22 gradually moves to the upper part of a certain row of detection plates 13, the slider 22 drives the rack 24 to be gradually meshed with the corresponding gear 212 of the row of detection plates 13, the gear 212 is further driven to rotate, the transmission shaft 218 and the driving wheel 219 are driven to rotate when the gear 212 rotates, the driving wheel 219 drives the driven wheel 210 to rotate through the transmission belt 211, then the driven wheel 210 drives the rotating shaft 25 and the cam 26 to rotate until the slider 22 moves to the position right above the detection plates 13, the middle part of the rack 24 is just meshed with the gear 212, simultaneously the rotating shaft 25 and the cam 26 are just rotated 180 degrees, so that the protruding end of the cam 26 just vertically upwards pushes up the detection plates 13 through the protruding end, the probes 14 on the top surface of the detection plates 13 are just butted with circuit pins of the OLED display screen 400 above, the OLED display screen 400 in the corresponding transverse area above the detection plates 13 is electrified to be lightened, and then the brightness meter 29 detects the lightened OLED display screen 400, when the OLED display screen 400 in the lightened transverse area is detected, the slide block 22 drives the brightness meter 29 to move longitudinally to the direction of the next row of detection plates 13, the slide block 22 drives the rack 24 to continuously engage with the driving gear 212 to rotate, and further drives the rotating shaft 25 and the cam 26 to continuously rotate until the rack 24 is completely separated from the gear 212, the rotating shaft 25 and the cam 26 rotate 180 degrees again, so that the convex end of the cam 26 is adjusted to be vertically downward again, the cam 26 does not push the detection plate 13 above through the convex end, at the moment, the detection plate 13 slides downwards along the lifting chute 17 under the action of self gravity, so that the probes 14 above the detection plate 13 are separated from circuit pins on the bottom surface of the OLED display screen 400, and then the detected OLED display screen 400 is powered off again, to reduce power consumption and detection costs.
Referring to fig. 4-5, in one embodiment, the translation transmission assembly includes two moving plates 33, the two moving plates 33 are respectively and fixedly mounted on the bottom surfaces of the two sliding blocks 22, and bottom ends of the two moving plates 33 are respectively and fixedly connected with two ends of the moving frame 31; the traction assembly comprises two groups of connecting rods 34 and two groups of connecting seats 35, the two groups of connecting rods 34 are respectively arranged on two sides of the movable seat 28 through the two groups of connecting seats 35, and the bottom ends of the two groups of connecting rods 34 are respectively fixedly connected with the end parts of the two window shades 32;
when the slide block 22 drives the linear motor 27, the movable seat 28 and the luminance meter 29 to move, the slide block 22 drives the movable frame 31 and the window shades 32 to synchronously move through the movable plate 33, so that the movable frame 31 and the window shades 32 are always positioned under the linear motor 27, when the linear motor 27 drives the movable seat 28 and the luminance meter 29 to move, the movable seat 28 drives the end parts of the two window shades 32 to synchronously move through two groups of connecting rods 34 on two sides, so that the movable seat 28 and the luminance meter 29 are always positioned in the middle of a gap between the two window shades 32, the luminance meter 29 can conveniently detect the OLED display screen 400 exposed in the gap, one window shade 32 in the two window shades 32 is stretched and stretched by the connecting rods 34, and the other window shade 32 is propped and received by the connecting rods 34, so that the two groups of window shades 32 can always shade the OLED display screen 400 which is not being detected and is lighted under the linear motor 27.
Referring to fig. 2, in one embodiment, the shade 32 includes a track groove 321, a sliding seat 322, a shade cloth 323, and a supporting rod 324, wherein the track groove 321 is disposed at two sides of the interior of the moving frame 31, the supporting rod 324 is provided with a plurality of supporting rods 324, and the plurality of supporting rods 324 are equidistantly arranged on the surface of the shade cloth 323; the two ends of each strut 324 are fixedly provided with the sliding seat 322, the sliding seats 322 at the two ends of each strut 324 are respectively and slidably arranged in the track grooves 321 at the two ends of the movable frame 31, meanwhile, the strut 324 at the outermost side of one end of the shading cloth 323 is fixedly connected with the end part of the movable frame 31, and the strut 324 at the outermost side of the other end of the shading cloth 323. Fixedly connected with the bottom end of the connecting rod 34;
wherein, through installing a plurality of equidistance branch 324 that distribute on every shading cloth 323, and branch 324 passes through track groove 321 and sliding seat 322 and installs on removing frame 31, can carry out spacing support to shading cloth 323 through branch 324, make shading cloth 323 when removing frame 31 installation with remove frame 31 laminating inseparabler, thereby can prevent that shading cloth 323 from being connected the gap with removing frame 31 in light leak, and then improve the shading effect of shading cloth 323, and when shading cloth 323 is pushed folding by connecting rod 34, shading cloth 323 can use branch 324 to fold in proper order as folding fulcrum, thereby can improve shading cloth 323 folding regularity, and then reduce the clearance size between shading cloth 323 folding time and the removal frame 31, prevent the light leak when shading cloth 323 is folding.
The using mode is as follows:
firstly, a jig plate 15 with an OLED display screen 400 loaded in a longitudinal and transverse arrangement passes through the side wall of a box body 11 and is slidably inserted into a horizontal slot 18 to complete the installation of the jig plate 15 and the OLED display screen 400, a driving screw rod 213 is driven to rotate by a rotating motor 214, a driven screw rod 21 is driven to synchronously rotate by the transmission of a first synchronous wheel 215, a second synchronous wheel 217 and a synchronous belt 216, two sliding blocks 22 are simultaneously driven to move along a limit guide rail 23 by the transmission of threads when the driving screw rod 213 and the driven screw rod 21 synchronously rotate, and the sliding blocks 22 drive a linear motor 27, a movable seat 28, a brightness meter 29, a movable frame 31 and a shading curtain 32 to move until the sliding blocks 22 drive the linear motor 27, the movable seat 28, the brightness meter 29, the movable frame 31 and the shading curtain 32 to move right above a detection plate 13 at the outermost side;
when the sliding block 22 gradually moves to the position above the outermost detection plate 13, the sliding block 22 drives the rack 24 to be gradually meshed with the gear 212 corresponding to the row of detection plates 13, so that the gear 212 is driven to rotate, the transmission shaft 218 and the driving wheel 219 are driven to rotate when the gear 212 rotates, the driving wheel 219 drives the driven wheel 210 to rotate through the transmission belt 211, then the driven wheel 210 drives the rotating shaft 25 and the cam 26 to rotate until the sliding block 22 moves to the position right above the detection plate 13, the middle part of the rack 24 is just meshed with the gear 212, and simultaneously the rotating shaft 25 and the cam 26 just rotate 180 degrees, so that the protruding end of the cam 26 just vertically upwards pushes up the detection plate 13 through the protruding end, the probe 14 on the top surface of the detection plate 13 just abuts against a circuit pin of the OLED display screen 400 above, and the OLED display screen 400 in the corresponding transverse area above the detection plate 13 is electrified and lightened;
the two shades 32 in the movable frame 31 are matched with each other to shade the lighted OLED display 400, only the OLED display 400 right below the brightness meter 29 is left in the gap between the two shades 32 and is not shaded, then the movable seat 28 and the brightness meter 29 are driven by the linear motor 27 to transversely move along the row of OLED display 400, the lower lighted OLED display 400 is detected one by one through the brightness meter 29, meanwhile, the movable seat 28 drives the end parts of the two shades 32 to synchronously move through the two groups of connecting rods 34 on two sides, so that the movable seat 28 and the brightness meter 29 are always positioned in the gap between the two shades 32, further, the brightness meter 29 can conveniently detect the OLED display 400 exposed in the gap, one shade 32 in the two shades 32 is stretched and unfolded by the connecting rods 34, and the other shade 32 is propped against the connecting rods 34 to be received, so that the two groups of shades 32 are matched with each other to shade the OLED display 400 which is not being detected and are set below the linear motor 27, and the detection result of the adjacent lighted OLED display 400 is prevented from interfering with the brightness meter 29;
after the detection of the OLED display 400 in the lateral area above the outermost detection plate 13 is completed, the rotating motor 214 is turned on again, the driving slider 22 drives the luminance meter 29 to move longitudinally toward the next row of detection plates 13 to perform the detection of the OLED display 400 in the next lateral area, and meanwhile, the slider 22 drives the rack 24 to continue to engage with the driving gear 212 to rotate, so as to drive the rotating shaft 25 and the cam 26 to continue rotating until the rack 24 is completely separated from the gear 212, the rotating shaft 25 and the cam 26 rotate 180 ° again, so that the protruding end of the cam 26 is adjusted to be vertically downward again, and then the cam 26 does not push the outermost detection plate 13 above through the protruding end, at this time, the outermost detection plate 13 slides down along the lifting chute 17 under the action of self gravity, so that the probes 14 above the detection plate 13 are separated from circuit pins on the bottom surface of the OLED display 400, and the detected OLED display 400 are turned off again, so as to reduce the power consumption and detection cost.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above disclosed preferred embodiments of the invention are merely intended to help illustrate the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (8)
1. A detection device for OLED display screen, its characterized in that: the detection device comprises a detection box (1), a detection mechanism (2) and a shading mechanism (3), wherein the detection box (1) comprises a box body (11), detection plates (13) and jig plates (15), the detection plates (13) are provided with a plurality of detection plates (13) which are distributed at equal intervals and are installed in the box body (11) in a lifting manner, a plurality of groups of probes (14) are installed on the top surface of each detection plate (13) at equal intervals, the jig plates (15) are installed in the box body (11), the jig plates (15) are positioned above the detection plates (13), and jig grooves (16) which are distributed uniformly and are in one-to-one correspondence with the groups of probes (14) are formed in the jig plates (15);
the detection mechanism (2) comprises a longitudinal driving assembly, a transverse driving assembly, a lifting transmission assembly, a moving seat (28) and a brightness meter (29), wherein the longitudinal driving assembly is arranged above a jig plate (15) in the box body (11), the transverse driving assembly is arranged on the longitudinal driving assembly, the moving seat (28) is arranged on the transverse driving assembly, the brightness meter (29) is fixedly arranged on the moving seat (28), and the lifting transmission assembly is arranged between the longitudinal driving assembly and the detection plate (13); the longitudinal driving assembly is used for driving the transverse driving assembly, the movable seat (28) and the luminance meter (29) to longitudinally move in the box body (11), meanwhile, the longitudinal driving assembly drives the detection plate (13) below the transverse driving assembly to ascend in the box body (11) through the lifting transmission assembly, and the transverse driving assembly is used for driving the movable seat (28) and the luminance meter (29) to transversely move in the box body (11) along the ascending detection plate (13);
the shading mechanism (3) comprises a translation transmission assembly, a movable frame (31), a traction assembly and shading curtains (32), wherein the movable frame (31) is arranged below the transverse driving assembly and is connected with the longitudinal driving assembly through the translation transmission assembly, the shading curtains (32) are arranged in two, the two shading curtains (32) are respectively arranged at two ends of the movable frame (31), and the end parts of the two shading curtains (32) are respectively connected with two ends of the movable seat (28) through the traction assembly; when the longitudinal driving assembly is used for driving the transverse driving assembly, the movable seat (28) and the luminance meter (29) to longitudinally move in the box body (11), the longitudinal driving assembly simultaneously drives the movable frame (31) and the window shades (32) to move in the box body (11) through the translation transmission assembly, and the transverse driving assembly is used for driving the movable seat (28) and the luminance meter (29) to transversely move in the box body (11) along the raised detection plate (13), and the movable seat (28) simultaneously pulls the two window shades (32) through the traction assembly.
2. The detection apparatus for an OLED display screen as claimed in claim 1, wherein: the two ends of the inside of the box body (11) are fixedly provided with mounting seats (12), the inner side surface of each mounting seat (12) is provided with a plurality of lifting sliding grooves (17) which are distributed at equal intervals, and a plurality of detection plates (13) are respectively and slidably arranged in the lifting sliding grooves (17);
the inner side surface of the mounting seat (12) is provided with a horizontal slot (18) positioned above the lifting chute (17), the jig plate (15) is slidably inserted into the horizontal slot (18), and one end of the jig plate (15) extends to the outside of the box body (11).
3. A detection device for an OLED display screen as claimed in claim 2, wherein: the vertical drive assembly comprises a screw rod drive unit, sliding blocks (22) and limiting guide rails (23), wherein the screw rod drive unit is installed in the box body (11), the sliding blocks (22) are arranged in two, the sliding blocks (22) are all installed on the screw rod drive unit in a threaded mode, the transverse drive assembly is installed between the two sliding blocks (22), limiting sliding grooves are formed in the outer side faces of the sliding blocks (22), the limiting guide rails (23) are arranged in two, the limiting guide rails (23) are fixedly installed on the inner walls of the two ends of the box body (11), and the limiting guide rails (23) are connected with the limiting sliding grooves on the outer side faces of the two sliding blocks (22) in a sliding mode.
4. A detection device for an OLED display screen as claimed in claim 3, wherein: the screw driving unit comprises a driven screw (21), a driving screw (213) and a rotating motor (214), wherein the driven screw (21) and the driving screw (213) are respectively rotatably installed at two ends of the inside of the box body (11), and two sliding blocks (22) are respectively and spirally installed on the driven screw (21) and the driving screw (213);
the rotary motor (214) is arranged at one end of the driving screw rod (213), a first synchronizing wheel (215) and a second synchronizing wheel (217) are respectively and fixedly arranged on the driving screw rod (213) and the driven screw rod (21), and the first synchronizing wheel (215) and the second synchronizing wheel (217) are connected through a synchronizing belt (216).
5. A detection device for an OLED display screen as claimed in claim 3, wherein: the transverse driving assembly comprises a linear motor (27), the linear motor (27) is fixedly arranged between the two sliding blocks (22), and the movable seat (28) is arranged on the bottom surface of the linear motor (27).
6. A detection device for an OLED display screen as claimed in claim 3, wherein: the lifting transmission assembly comprises racks (24), rotating shafts (25) and transmission shafts (218), the rotating shafts (25) and the transmission shafts (218) are provided with a plurality of rotating shafts (25) which are equidistantly distributed and rotatably mounted on the inner side surfaces of the mounting seats (12), the rotating shafts (25) are respectively located under the detecting plates (13), and cams (26) are fixedly mounted at two ends of each rotating shaft (25);
the transmission shafts (218) are equidistantly distributed and rotatably mounted on the outer side face of the mounting seat (12), gears (212) and driving wheels (219) are fixedly mounted on each transmission shaft (218), the racks (24) are mounted on the bottom faces of the sliding blocks (22), the racks (24) are meshed with the gears (212) right below the racks, driven wheels (210) are fixedly mounted on the shaft ends of the rotating shafts (25), and the corresponding driving wheels (219) are connected with the driven wheels (210) through driving belts (211).
7. A detection device for an OLED display screen as claimed in claim 3, wherein: the translation transmission assembly comprises two moving plates (33), the two moving plates (33) are respectively and fixedly arranged on the bottom surfaces of the two sliding blocks (22), and the bottom ends of the two moving plates (33) are respectively and fixedly connected with the two ends of the moving frame (31);
the traction assembly comprises two groups of connecting rods (34) and two groups of connecting seats (35), the two groups of connecting rods (34) are respectively arranged on two sides of the movable seat (28) through the two groups of connecting seats (35), and the bottom ends of the two groups of connecting rods (34) are respectively fixedly connected with the end parts of the two window shades (32).
8. The detection apparatus for an OLED display screen as claimed in claim 7, wherein: the window shade (32) comprises a track groove (321), a sliding seat (322), a piece of window shade cloth (323) and supporting rods (324), wherein the track groove (321) is arranged on two sides of the inside of the movable frame (31), a plurality of supporting rods (324) are arranged, and the supporting rods (324) are equidistantly arranged on the surface of the window shade cloth (323);
every both ends of branch (324) are all fixed mounting have sliding seat (322), just sliding seat (322) at branch (324) both ends are sliding mounting respectively in track groove (321) at remove frame (31) both ends, simultaneously branch (324) and the tip fixed connection who removes frame (31) that shading cloth (323) one end is outermost, branch (324) and the bottom fixed connection of connecting rod (34) that shading cloth (323) other end is outermost.
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| CN202310540319.2A CN116312309B (en) | 2023-05-15 | 2023-05-15 | Detection device for OLED display screen |
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| CN202310540319.2A CN116312309B (en) | 2023-05-15 | 2023-05-15 | Detection device for OLED display screen |
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| CN116312309B CN116312309B (en) | 2023-08-01 |
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