CN112595862A - Full-automatic intelligent aging test production line for Mini LED display screen - Google Patents
Full-automatic intelligent aging test production line for Mini LED display screen Download PDFInfo
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- CN112595862A CN112595862A CN202011275618.0A CN202011275618A CN112595862A CN 112595862 A CN112595862 A CN 112595862A CN 202011275618 A CN202011275618 A CN 202011275618A CN 112595862 A CN112595862 A CN 112595862A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/44—Testing lamps
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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
Abstract
The application relates to the technical field of display screen aging and testing, and discloses a full-automatic intelligent aging testing production line of Mini LED display screen, this full-automatic intelligent aging testing production line of Mini LED display screen includes: the feeding device is used for installing the Mini LED display screens on the product tool; the testing device is arranged on one side of the transmission device and used for testing the Mini LED display screens transported by the transmission device; the lifting device is connected with the testing device and used for transporting the product tool carrying the tested Mini LED display screen to the aging device; and the aging device is connected with the lifting device and used for aging the Mini LED display screen on the product tooling. Through the mode, the labor cost can be reduced, and the production efficiency is improved.
Description
Technical Field
The application relates to the technical field of display screen aging and testing, in particular to a Mini LED display screen full-automatic intelligent aging test production line.
Background
With the reduction of the cost of the LED chip and the progress of the technology, the LED chip and the packaging huge at home and abroad begin to find new market growth points, and the Mini LED is widely concerned in recent years as a new technology with wide market prospect. Mini LEDs have begun to be shipped in LCD backlights and RGB display products as an extension of the small pitch LED products and as a prelude to Micro LEDs. In order to effectively ensure high cost performance and mass production of products, the Mini LED is required to be subjected to effective aging treatment. In the electronic aging test industry, the traditional aging method mainly adopts manual operation. However, the artificial aging method has problems of low efficiency, high fatigue strength, high labor cost, and the like.
Disclosure of Invention
In order to solve the problem, the application provides a full-automatic intelligent aging testing production line of Mini LED display screen, can reduce the human cost, improves production efficiency.
A technical scheme that this application adopted provides a full-automatic intelligent aging testing production line of Mini LED display screen, and this full-automatic intelligent aging testing production line of Mini LED display screen includes: the feeding device is used for installing the Mini LED display screens on the product tool; the testing device is arranged on one side of the transmission device and used for testing the Mini LED display screens transported by the transmission device; the lifting device is connected with the testing device and used for transporting the product tool carrying the tested Mini LED display screen to the aging device; and the aging device is connected with the lifting device and used for aging the Mini LED display screen on the product tooling.
The feeding device comprises a first manipulator and a first image acquisition device; the first image acquisition device is arranged on the first manipulator and used for acquiring an interface terminal of a Mini LED display screen on the product tooling; the first manipulator is used for connecting the Mini LED display screen with an interface terminal of the product tool.
The full-automatic intelligent aging test production line for the Mini LED display screen also comprises a blanking device;
the blanking device comprises a second mechanical arm and a second image acquisition device; the second image acquisition device is arranged on the second manipulator and used for acquiring the position information of a Mini LED display screen on the product tooling; and the second manipulator is used for performing blanking processing on the product tool according to the position information so as to take down the Mini LED display screen from the product tool.
Wherein, this testing arrangement includes: a guide rail assembly; and the detection device is connected with the guide rail assembly in a sliding manner and is used for identifying the lamp bead oblique wave and the brightness of the Mini LED display screen on the product tooling.
The aging device at least comprises N layers of aging mechanisms, wherein N is more than or equal to 4 and is an even number; the lifting device comprises a first lifting device and a second lifting device, the first lifting device is arranged at the first end of the aging device, and the second lifting device is arranged at the second end of the aging device; the second lifting device is used for lifting the product tool to the (i + 1) th layer of the aging device so as to age the Mini LED display screen on the product tool in the (i + 1) th layer of the aging mechanism, wherein i is more than or equal to 1 and less than or equal to N-1, and i is an odd number; the first lifting device is used for lifting the product tool to the j-th layer of the aging device, so that a Mini LED display screen on the product tool is aged in the j-th layer aging mechanism, wherein j is more than or equal to 3 and less than or equal to N-1, and j is an odd number.
The first lifting device is further used for lifting the product tool to the testing device after the Mini LED display screen is aged in the (i + 1) th aging mechanism, so that the testing device can detect the Mini LED display screen on the product tool.
Wherein, first elevating gear or second elevating gear include: a lifting body comprising a second guide rail; the sliding frame is connected with the guide rail in a sliding manner and is used for accommodating a product tool; and the driving device is arranged on the lifting main body and used for driving the sliding frame to move along the guide rail.
Wherein, each layer ageing mechanism includes: a frame; the driving device is arranged on the rack and used for moving the product tool from one end of the aging mechanism to one end of the aging mechanism within a preset time period; the conductive part is arranged on the rack and used for providing electric energy for the product tool.
Wherein, each ageing mechanism side is provided with a plurality of heating device for ageing device provides ageing temperature.
The aging device also comprises at least one heat dissipation device which is used for starting when the aging temperature of the aging device exceeds the preset temperature and reducing the aging temperature of the aging device.
The beneficial effect of this application is: be different from prior art's condition, this application's a full-automatic intelligent aging testing production line of Mini LED display screen, this full-automatic intelligent aging testing production line of Mini LED display screen includes: the feeding device is used for installing the Mini LED display screens on the product tool; the testing device is arranged on one side of the transmission device and used for testing the Mini LED display screens transported by the transmission device; the lifting device is connected with the testing device and used for transporting the product tool carrying the tested Mini LED display screen to the aging device; and the aging device is connected with the lifting device and used for aging the Mini LED display screen on the product tooling. In this way, the automatic feeding and testing device of the feeding device tests the Mini LED display screen, the lifting device transports the Mini LED display screen to the aging device for aging, the aging and testing of the Mini LED display screen are automatically completed, the labor cost is reduced, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of a full-automatic intelligent aging test production line for a Mini LED display screen provided by the present application;
FIG. 2 is a schematic structural diagram of an embodiment of a feeding device provided in the present application;
FIG. 3 is a schematic structural diagram of an embodiment of a testing apparatus provided in the present application;
FIG. 4 is a schematic diagram of a structure within the test device of FIG. 3 provided herein;
FIG. 5 is a schematic diagram of an embodiment of an aging apparatus provided in the present application;
FIG. 6 is a schematic diagram of a front view of the burn-in apparatus of FIG. 5 provided herein;
FIG. 7 is a schematic structural diagram of an embodiment of a first lifting device provided herein;
fig. 8 is a schematic structural diagram of an embodiment of a carriage in the first lifting device provided in the present application;
fig. 9 is a schematic structural view of an embodiment of a weight rack in the first lifting device provided herein;
FIG. 10 is a schematic structural diagram of an embodiment of a Mini LED display aging and testing system tool provided by the present application;
FIG. 11 is a schematic structural view of an embodiment of a product tooling provided herein;
FIG. 12 is a schematic illustration of a portion of the structure of the product tooling of FIG. 11 provided herein;
FIG. 13 is a schematic illustration of a portion of the structure of the product tooling of FIG. 11 as provided herein;
FIG. 14 is a schematic top view of the product tooling of FIG. 11 provided herein;
FIG. 15 is a schematic cross-sectional view along the direction BB' in FIG. 14 provided herein;
FIG. 16 is a schematic cross-sectional view along AA' of FIG. 14 as provided herein;
fig. 17 is a schematic view of the interaction between the lifting device and the aging device provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a full-automatic intelligent aging test production line for a Mini LED display screen provided by the present application. The full-automatic intelligent aging test production line 10 for the Mini LED display screen comprises a feeding device 11, a testing device 12, a lifting device 13, an aging device 14, a discharging device 15, a transmission device 16 and an up-down plate returning device 17.
Wherein, loading attachment 11 is used for installing a plurality of Mini LED display screens in the product frock. The testing device 12 is arranged on one side of the transmission device 16 and used for testing the Mini LED display screens transported by the transmission device 16. The lifting device 13 is connected with the testing device 12 and used for transporting the product tooling carrying the tested Mini LED display screen to the aging device 14. The aging device 14 is connected with the lifting device 13 and used for aging a Mini LED display screen on the product tooling.
And an up-down plate returning device 17 is arranged on the other side of the conveying device 16, wherein the feeding device is arranged above the accommodating table, and the up-down plate returning device 17 is arranged below the accommodating table. The product tool is conveyed to the feeding device 11 through the feeding and discharging elevator, and the Mini LED display screen is installed on the product tool through the feeding device 11.
In other embodiments, an up-down returning plate device 17 is further disposed at the foremost end of the conveying device 16, and is used for transporting the product tooling carrying the Mini LED display screen to the aging device for aging after the loading operation is completed.
In some embodiments, after the loading device 11 finishes mounting the Mini LED display screen on the product tooling, the product tooling is moved to the sub-conveying mechanism below the conveying device 16 by the up-and-down plate returning device 17, and the product tooling is conveyed to the aging device 14 by the sub-conveying mechanism. In an application scenario, the sub-transmission mechanism is connected to the aging device 14 through the lifting device 13, and then the sub-transmission mechanism transports the product tool to the lifting device 13, and then transports the product tool to the aging device 14 through the lifting device 13.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an embodiment of a feeding device provided in the present application. The feeding device 11 comprises a first manipulator 111 and a first image acquisition device 112; the first image acquisition device 112 is arranged on the first manipulator 111 and used for acquiring images of an interface terminal of a Mini LED display screen on the product tooling; the first manipulator 111 is used for connecting the Mini LED display screen with an interface terminal of the product fixture.
In some embodiments, the feeding device 11 further includes a third image collecting device, configured to collect an image of an interface terminal on the Mini LED display screen when the Mini LED display screen is installed, so that the control system matches the image of the interface terminal on the Mini LED display screen with the image of the interface terminal of the Mini LED display screen on the product fixture collected by the first image collecting device 112, so that the first manipulator 111 connects the Mini LED display screen with the interface terminal of the product fixture.
Specifically, the first robot 111 includes a base 1101, a first rotation axis 1102, a first connection portion 1103, a second rotation axis 1104, a second connection portion 1105, a third rotation axis 1106, a third connection portion 1107, a fourth rotation axis 1108, a fourth connection portion 1109, a fifth rotation axis 1110, a fifth connection portion 1111, a sixth rotation axis 1112, and a sixth connection portion 1113. The first rotation shaft 1102 is provided on the base 1101 so as to be rotatable around the axial direction of the first rotation shaft 1102. One end of the first connection portion 1103 is connected to the first rotation shaft 1102, and the other end of the first connection portion 1103 is connected to the second rotation shaft 1104. The second rotation shaft 1104 is rotatable about the axial direction of the second rotation shaft 1104. One end of the second connection portion 1105 is connected to the second rotation shaft 1104, the other end of the second connection portion 1105 is connected to the third rotation shaft 1106, and the third rotation shaft 1106 is rotatable around the axial direction of the third rotation shaft 1106. One end of the third connecting portion 1107 is connected to the third rotating shaft 1106, the other end of the third connecting portion 1107 is connected to the fourth rotating shaft 1108, and the fourth rotating shaft 1108 is rotatable around the axial direction of the fourth rotating shaft 1108. One end of the fourth connection portion 1109 is connected to the fourth rotation shaft 1108, the other end of the fourth connection portion 1109 is connected to the fifth rotation shaft 1110, and the fifth rotation shaft 1110 is rotatable around the axial direction of the fifth rotation shaft 1110. One end of the fifth connection portion 1111 is connected to the fifth rotation shaft 1110, the other end of the fifth connection portion 1111 is connected to the sixth rotation shaft 1112, and the sixth rotation shaft 1112 is connected to the first image capturing device 112 through the sixth connection portion 1113. The fifth connection portion 1111 is also used for connecting a suction cup assembly. The sucking disc subassembly is used for absorbing the Mini LED display screen. It is understood that the first rotation axis 1102, the second rotation axis 1104, the third rotation axis 1106, the fourth rotation axis 1108, the fifth rotation axis 1110 and the sixth rotation axis 1112 correspond to a driving assembly, which may be a servo motor, for controlling the rotation axes to rotate around the axial direction.
In an application scene, the first acquisition device 112 acquires an image of an interface terminal of a Mini LED display screen on a product tool to determine whether the interface terminal of the Mini LED display screen on the product tool is idle, and the corresponding processing system determines a moving path of the first manipulator 111 according to the idle interface terminal, so that after a sucker component on the first manipulator 111 absorbs the Mini LED display screen, the Mini LED display screen is connected with the interface terminal of the product tool according to the moving path, and the loading operation is completed. It can be understood that the first manipulator 111 is used for connecting each interface terminal of the product fixture with a Mini LED display screen, so as to improve subsequent aging and testing efficiency.
The full-automatic intelligent aging test production line 10 for the Mini LED display screen further comprises a blanking device 15.
The blanking device 15 comprises a second mechanical arm and a second image acquisition device; the second image acquisition device is arranged on the second manipulator and used for acquiring the position information of a Mini LED display screen on the product tooling; and the second manipulator is used for performing blanking processing on the product tool according to the position information so as to take the Mini LED display screen down from the product tool and put the taken-down Mini LED display screen into the corresponding OK and NG positions. The second manipulator is the same as or similar to the first manipulator 111, and is not described herein. In some embodiments, the second image acquisition device is arranged above the side surface of the test station and used for acquiring the coordinate information of the Mini LED display screen taken down by the second manipulator.
In some embodiments, the second image acquisition device acquires an image of the outline position of the Mini LED display screen, so that the control system analyzes the coordinate of the Mini LED display screen on the product fixture, and distinguishes good products from defective products based on the test result, which is convenient for the blanking device 15 to sort the defective products and the good products based on the coordinate.
Referring to fig. 3 and 4, the testing device 12 includes a rail assembly 121, a detecting device 122, and a shield 123. Wherein, detection device 122 and guide rail set 121 sliding connection for the lamp pearl oblique wave and the luminance of the Mini LED display screen on the discernment product frock. In an application scenario, the detection device 122 is further configured to detect whether a Mini LED display screen on the product fixture is normally lit in various states such as R, G, B, W, oblique, horizontal, vertical, and gray scales, including whether there is a series of quality problems such as dead light, weak light, dark light, high light, and string light, and determine a coordinate position of the abnormal lamp bead on the product fixture. The rail assembly 121 includes a first rail member 1211 and a second rail member 1212. Wherein the second rail member 1212 is disposed perpendicular to the first rail member 1211, the second rail member 1212 is movable along the length direction of the first rail member 1211, and the detecting device 122 is disposed on the second rail member 1212 so as to be movable along the length direction of the second rail member 1212.
In an application scenario, when the product fixture is moved to the testing device 12, the testing device 12 may be connected to the testing device 12, and the testing device 12 performs tests on the Mini LED display screen on the product fixture, such as a current test, a voltage test, a power factor test, and the like. After the Mini LED display screens of the detection device 122 on the product tool are powered on, the Mini LED display screens slide on the guide rail assembly 121, so that bead oblique wave and brightness identification is performed on all the Mini LED display screens on the product tool, each Mini LED display screen is detected, when an abnormal Mini LED display screen appears, the product tool is moved to the station of the blanking device 15, and the blanking device 15 is controlled to remove the abnormal Mini LED display screen. After removal, the product tooling is moved to the aging apparatus 14.
In another application scenario, the product fixture may carry the Mini LED display screen to age multiple times, and after each aging for a time period, the test is performed in the testing device 12. If the whole process needs to be tested for 3 times, the obtained results of the first test and the second test are firstly stored and are not processed for the moment, after the third test result comes out, the comparison is carried out by combining the test results of the previous two times, the unqualified products are offline to the NG station, and the qualified products are offline to the OK station.
The aging device 14 at least comprises N layers of aging mechanisms, wherein N is more than or equal to 4 and is an even number; the lifting device 13 comprises a first lifting device 131 and a second lifting device 132, the first lifting device 131 is arranged at a first end of the aging device 14, and the second lifting device 132 is arranged at a second end of the aging device 14; the second lifting device 132 is used for lifting the product tooling to the (i + 1) th layer of the aging device 14 so as to age the Mini LED display screen on the product tooling in the (i + 1) th layer aging mechanism, wherein i is more than or equal to 1 and less than or equal to N-1, and i is an odd number; the first lifting device 131 is used for lifting the product tooling to the jth layer of the aging device 14, so that the Mini LED display screen on the product tooling is aged in the jth layer aging mechanism, wherein j is more than or equal to 3 and less than or equal to N-1, and j is an odd number.
Specifically, referring to fig. 5-6, the burn-in apparatus 14 is illustrated: the aging device 14 includes six layers of aging mechanisms, each layer being disposed in parallel in sequence along a direction perpendicular to the bottom surface. The first lifting mechanism is in butt joint with a first machine head 145 of the aging device, and the second lifting mechanism is in butt joint with a second machine head 146 of the aging device and used for transporting the product tooling to different layers of aging mechanisms respectively. Each layer of aging mechanism is provided with a stopper which is arranged on the first machine head 145 and/or the second machine head 146, the cylinder is used for assisting the control of a two-position three-way electromagnetic valve 3V210-0824V and a three-position five-way electromagnetic valve 4V210-0824V 3/220V, when a product tool enters the first lifter or the second lifter, the product tool is stopped, and the stopper bearing plate is formed by folding a 3mm thick steel plate and is 12 sets. The aging device is arranged in a mode of stacking each layer, so that the occupied area of the aging device can be effectively reduced, and the cost input is reduced.
Sealing plates are arranged on two side faces of the aging device 14 along the length direction, an external air suction opening can be arranged on the first side face 143 every 2 m and can be in butt joint with an air suction pipeline, and the internal temperature of the aging line is constant. The second side 141 may be provided with a hot air circulating device 150.
In other embodiments, the first side 143 is provided with a heat sink, and the second side 141 is provided with a heating device and a temperature control device on the side facing the aging device 14. The heating device is used to supply heat to the inside of the aging device 14. When the temperature detected by the temperature control device exceeds the preset aging temperature, the heat dissipation device is controlled to reduce the internal temperature in the aging device 14, and when the temperature detected by the temperature control device is lower than the preset aging temperature, the work of the heat dissipation device is stopped, so that the heating device raises the internal temperature of the aging device to the preset aging temperature. Specifically, each layer of aging mechanism is provided with a plurality of heating devices on the side for providing the aging temperature for the aging device 14.
Each layer of aging mechanism comprises a frame; the driving device is arranged on the rack, such as the side surface of the rack, and is used for moving the product tool from one end of the aging mechanism to one end of the aging mechanism within a preset time period; the conductive part is arranged on the rack and is electrically connected with the product tool when the product tool moves in the aging mechanism.
The driving device comprises a driving motor 148 fixed on the frame 151 through a motor base; the chain wheel and the chain form a transmission assembly 149, and the chain wheel is connected with an output shaft of the driving motor and the chain, and is driven by the driving motor 148 to rotate so as to drive the chain to move. Each layer of aging mechanism comprises two groups of chain wheels and chains, wherein the two groups of chain wheels and the chains are arranged in parallel along the length direction of the aging mechanism and are connected through a conveying shaft. The conveying shaft is provided with bearing seats respectively near the two chain wheel sides.
Wherein, on the bottom surface of the top plate 142 of the aging apparatus 14, a heating apparatus is provided for providing an aging environment temperature for the aging apparatus 14, and the aging apparatus 14 is specifically provided with a heating apparatus, a hot air circulation apparatus, a temperature sensor and a heating control system. The temperature sensor is used for acquiring the aging temperature of the aging device, the heating device comprises a heating component, and the heating component can comprise a lamp tube. The hot air circulating device can comprise a hot air blower, a directional air inlet and a directional air outlet.
The aging device also comprises at least one heat dissipation device which is used for starting when the aging temperature of the aging device exceeds the preset temperature and reducing the aging temperature of the aging device. The number of the heat dissipation devices can be set according to the length of the line body of the aging structure. In particular, the heat dissipation device may be an electronic fan.
Referring to fig. 7 to 9, the first lifting device 131 includes a lifting body 1311, and the lifting body 1311 includes a guide rail. The sliding frame 1312 is connected with the guide rail in a sliding manner and used for accommodating a product tool; the driving device 1313 is provided on the lifting body 1311, and drives the carriage 1312 to move along the guide rail. The first lifting device 131 further comprises a weight carriage 1314 for balancing the carriage 1312.
Specifically, referring to fig. 8, the carriage 1312 includes a carriage body 13121, a first conveying belt 13122, a second conveying belt 13123, a driving motor 13124, and a connecting shaft 13125. The first conveying belt 13122 and the second conveying belt 13123 are disposed at two ends of the connecting shaft 13125, and the driving motor 13124 is connected to the connecting shaft 13125, and is configured to control the first conveying belt 13122 and the second conveying belt 13123 to carry the product tool through the connecting shaft 13125 and to convey the product tool.
Referring to fig. 9, the weight carriage 1314 includes a weight body 13141, a plurality of weights 13142, a plurality of pulleys 13143, and an adjustment screw 13144. A plurality of weights 13142 are provided on the weight body 13141, pulleys 13143 are provided on opposite sides of the weight body 13141, and a lead screw 13144 is used to fasten the weights 13142 to the weight body 13141.
The second lifting device 132 is similar to or the same as the first lifting device 131, and is not described herein.
Be different from prior art's condition, the full-automatic intelligent aging testing production line of Mini LED display screen of this embodiment, the full-automatic intelligent aging testing production line of Mini LED display screen includes: the feeding device is used for installing the Mini LED display screens on the product tool; the testing device is arranged on one side of the transmission device and used for testing the Mini LED display screens transported by the transmission device; the lifting device is connected with the testing device and used for transporting the product tool carrying the tested Mini LED display screen to the aging device; and the aging device is connected with the lifting device and used for aging the Mini LED display screen on the product tooling. In this way, the automatic feeding and testing device of the feeding device tests the Mini LED display screen, the lifting device transports the Mini LED display screen to the aging device for aging, the aging and testing of the Mini LED display screen are automatically completed, the labor cost is reduced, and the production efficiency is improved.
Referring to fig. 10, the Mini LED display screen aging and testing system tool 100 includes: product frock 101 and main control computer 102. The main control computer 102 is connected with the product tool 101 and is used for controlling the detection device on the test line to test the Mini LED display screen on the product tool 101 when the Mini LED display screen is arranged on the product tool 101. The main control computer 102 is further configured to set a Mini LED display screen on the product tooling 101, and when the main control computer is located in the aging device, control the aging device on the test line to age the Mini LED display screen on the product tooling 101 through the product tooling 101. It can be understood that the test line here can be a Mini LED display screen full-automatic intelligent aging test production line in the above embodiments.
Referring to fig. 11 to 16, the product tooling 101 includes: a plurality of connection components 1011, each connection component 1011 configured to interface with a Mini LED display screen; the interface of the Mini LED display screen is used for communication and power supply. And the controller 1012 is connected with the plurality of connecting components 1011 and is used for controlling each connecting component 1011 to age or test the Mini LED display screen. Wherein, the test can distinguish between normal and abnormal conditions of the Mini LED display screen.
Each connecting assembly 1011 includes a plurality of product interfaces of different types for adapting to corresponding types of Mini LED displays. For example, each connecting component 1011 includes three different types of product interfaces, and the three different types of product interfaces may be any three of PCIE, parallel port, serial port, USB, and the like. The number of the connecting components 1011 can be 18, 20 or 30, and the setting is completed according to actual requirements. Then product frock 101 can cooperate main control computer, test wire to realize detecting simultaneously a plurality of Mini LED display screens, promotes ageing efficiency and efficiency of software testing, reduces the cost.
Wherein, product frock 101 still includes: a conductive copper bar 1013 configured to be connectable to an external power source; and a power supply assembly 1014 connected to the conductive copper bar 1013, the controller 1012 and the plurality of connection assemblies 1011 for supplying power to the controller 1012 and the plurality of connection assemblies 1011. The external power supply may be a 220V power supply. In some embodiments, the number of conductive copper bars 1013 is 3, 1 live, 1 neutral, and 1 ground, respectively. The number of corresponding power supply components is 3.
Optionally, the power supply assembly includes a power adapter 10141 and a power adapter board 10142; the power adapter 10141 is connected with the conductive copper bar 1013 and the power adapter board 10142; the power adapter board 10142 is connected to the controller 1012 and the plurality of connection components 1011 for supplying power to the controller 1012 and the plurality of connection components 1011. The power adapter 10141 obtains a 220V power from the conductive copper bar 1013, converts the power into a voltage dedicated to the Mini LED display screen, such as DC4.2V, and provides the voltage to the plurality of connection components 1011 through the power adapter 10142, so that the connection components 1011 supply power to the Mini LED display screen. The power adapter board 10142 is provided with a power switching device, namely, when aging is carried out, the power is automatically switched to external 220V alternating current power supply (namely, electricity is taken on the conductive bars, so that high-power supply is facilitated); when the test is carried out, the power supply is automatically switched to the external DC4.2V power supply, and each channel supplies power independently.
Optionally, the power adapter board 10142 further includes a power interface, and the power interface is used for connecting the Mini LED display screen. In some embodiments, when the product fixture 101 is in the testing device of the test line, the Mini LED display screen on the product fixture 101 is tested by connecting the power interface with the Mini LED display screen, for example, testing electrical parameters (current, voltage, power factor), and testing whether RGBW horizontal scan, diagonal scan, and vertical scan of the Mini LED display screen are normal. If the product tool 101 is aged in the aging mechanism, 220V ac is used to supply power to the power adapter 10141 of the product tool 101 through the conductive wheel and the conductive copper bar 1013 in the form of a collector rail, and the power adapter 10141 converts the power into dc to distribute the dc to the power adapter 10142, so as to respectively supply power to the connecting assembly 1011 for aging and supply power to the receiving card of the controller 1012. After the product tooling 101 flows out of the aging mechanism, the circuit of the conductive copper bar 1013 is disconnected, at this time, the product tooling 101 is automatically separated from the power supply of the conductive copper bar 1013, when the product tooling 101 enters the testing device for testing, the corresponding testing probe is contacted with the power interface of the power adapter board 10142, and then the external DC power supply passing through the testing probe is obtained, so as to supply power to each Mini LED display screen on the product tooling 101.
It can be understood that, when the product tooling 101 is used for aging the aging mechanism or testing the test device, the aging or testing of the Mini LED display screens on the product tooling 101 is performed through the product tooling 101.
Optionally, the product tool 101 further includes a housing assembly 1015, and a receiving cavity is disposed in the housing assembly 1015, and is configured to receive the plurality of connecting assemblies 1011, the controller 1012, the power adapter 10141, and the power adapter 10142.
The product tool 101 further comprises a cooling fan 1016 and an air switch 1017; the heat dissipation fan 1016 and the air switch 1017 are connected to the power adapter 10141. The heat dissipation fan 1016 is used for performing heat dissipation treatment in the accommodating cavity after the product tool 101 is started, so that the temperature in the accommodating cavity is reduced, and damage to the controller 1012, the power adapter 10141 and the power adapter board 10142 in the accommodating cavity due to overhigh temperature is reduced.
The housing assembly 1015 comprises an upper housing 10151 and a lower housing 10152, wherein the upper housing 10151 and the lower housing 10152 are connected in a matching manner to form an accommodating cavity; the power adapter board 10142 is arranged on the top surface of the lower shell 10152, and the top surface of the lower shell 10152 faces the accommodating cavity; conductive copper bars 1013 are provided on the bottom surface of the lower case 10152. Correspondingly, an opening is formed at a corresponding position of the upper housing 10151 for passing through a connecting line, so that the power adapter board 10142, the plurality of connecting components 1011, the power adapter 10141, the controller 1012 and the like are correspondingly connected by the connecting line according to the connection relationship.
Wherein, go up casing 10151 and include that roof 101511, lateral wall 101512 and roof 101511 and lateral wall 101512 enclose the holding cavity that establishes the formation, radiator fan 1016 and air switch 1017 set up on the lateral wall, and a plurality of coupling assembling 1011 set up in the surface of roof 101511, and controller 1012 and power adapter 10141 set up in the bottom surface of roof 101511, and the bottom surface of roof 101511 is towards the holding cavity.
Be different from prior art's condition, this Mini LED display screen of this embodiment ages with test system frock, this Mini LED display screen ages with test system frock includes: product tooling; and the main control machine is connected with the product tool and is used for controlling the detection device on the test line to test the Mini LED display screen on the product tool when the Mini LED display screen is arranged on the product tool. By the mode, the product tooling is used for bearing the Mini LED display screen, the main control computer is matched with the test line to automatically complete the test on the Mini LED display screen, the labor cost is reduced, and the production efficiency is improved.
In an application scenario, the whole production flow is described with reference to fig. 1 and 17: and the master controller controls each device in the aging test production line so that each device is correspondingly matched to complete production. And controlling the feeding device to confirm the idle connecting assembly on the product tooling, sucking the Mini LED display screen by the feeding device, and installing the Mini LED display screen on the idle connecting assembly. After all installing the Mini LED display screen with the coupling assembling on the product frock, the conveyer transports the product frock to ageing equipment, after ageing a certain period of time, carries out the test for the first time at testing arrangement, then carries out the secondary again and ages, and the secondary is ageing after accomplishing, carries out the secondary test again, and the secondary test is accomplished the back, carries out the cubic again and ages, and the cubic is ageing after accomplishing, carries out the test for the third time again, synthesizes 3 times test result, and system automatic analysis product result. And if the abnormal Mini LED display screen is detected, moving the product tool to a blanking device, carrying out blanking operation on the abnormal Mini LED display screen by the blanking device, and grabbing the abnormal Mini LED display screen to a defective product area. If the high-precision electrical parameter tester is adopted to test each module, the current and voltage values of the single module are measured and calculated, the measured data are provided for a computer to be stored and searched, the OK/NG of the product is analyzed, an OK/NG signal is fed back to a lower computer and is transmitted to the robot, and the robot automatically finishes the separation offline work of the OK/NG product.
The complete work flow is as follows: after the Mini LED display screen on the product tooling is fed, the product tooling is conveyed to a first lifting device, the first lifting device conveys the product tooling to a first layer aging mechanism to enable the product tooling to flow from the first layer aging mechanism to a second lifting device, and the second lifting device conveys the product tooling to a second layer aging mechanism to enable the product tooling to flow from the second layer aging mechanism to the first lifting device; then the first lifting device conveys the product tool to the testing device for testing for the first time, and after the testing is finished, the first lifting device conveys the product tool to the third-layer aging mechanism so that the product tool flows from the third-layer aging mechanism to the second lifting device; then the second lifting device conveys the aging liquid to a fourth-layer aging mechanism, so that the aging liquid flows from the fourth-layer aging mechanism to the first lifting device; then the first lifting device conveys the product tool to the testing device for second testing, and after the testing is finished, the first lifting device conveys the product tool to the fifth-layer aging mechanism so that the product tool flows from the fifth-layer aging mechanism to the second lifting device; and then the second lifting device conveys the aging liquid to the sixth layer aging mechanism, so that the aging liquid flows from the sixth layer aging mechanism to the first lifting device. Then the first lifting device conveys the product tool to the testing device for testing for the third time, after the testing is completed, good products and defective products are distinguished on the basis of the three-time testing results for the Mini LED display screen on the product tool, and the good products and the defective products are sorted by the aid of the discharging device. In some embodiments, a 48H burn-in cycle is used, with all products being tested off-line every 16H for a total of 3 burn-in cycles.
In the several embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other manners. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules or units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated units in the other embodiments described above may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (10)
1. The utility model provides a full-automatic intelligent aging testing production line of Mini LED display screen which characterized in that, the full-automatic intelligent aging testing production line of Mini LED display screen includes:
the feeding device is used for installing the Mini LED display screens on a product tool;
the testing device is arranged on one side of the transmission device and used for testing the Mini LED display screens transported by the transmission device;
the lifting device is connected with the testing device and used for transporting the product tool carrying the tested Mini LED display screen to the aging device;
and the aging device is connected with the lifting device and used for aging the Mini LED display screen on the product tool.
2. The full-automatic intelligent aging test production line for Mini LED display screens of claim 1,
the feeding device comprises a first manipulator and a first image acquisition device;
the first image acquisition device is arranged on the first manipulator and used for acquiring images of an interface terminal of the Mini LED display screen on the product tooling;
the first manipulator is used for connecting the Mini LED display screen with the interface terminal of the product tool.
3. The full-automatic intelligent aging test production line for Mini LED display screens of claim 2,
the full-automatic intelligent aging test production line for the Mini LED display screen also comprises a blanking device;
the blanking device comprises a second mechanical arm and a second image acquisition device;
the second image acquisition device is arranged on the second manipulator and used for acquiring the position information of the Mini LED display screen on the product tool;
and the second manipulator is used for performing blanking processing on the product tool according to the position information so as to take down the Mini LED display screen from the product tool.
4. The full-automatic intelligent aging test production line for Mini LED display screens of claim 1,
the test device includes:
a guide rail assembly;
and the detection device is connected with the guide rail assembly in a sliding manner and is used for identifying the lamp bead oblique wave and the brightness of the Mini LED display screen on the product tool.
5. The full-automatic intelligent aging test production line for Mini LED display screens of claim 1,
the aging device at least comprises N layers of aging mechanisms, wherein N is more than or equal to 2 and is an even number;
the lifting device comprises a first lifting device and a second lifting device, the first lifting device is arranged at the first end of the aging device, and the second lifting device is arranged at the second end of the aging device;
the second lifting device is used for lifting the product tool to the (i + 1) th layer of the aging device so that the Mini LED display screen on the product tool is aged in the (i + 1) th layer of the aging mechanism, wherein i is more than or equal to 1 and less than or equal to N-1, and i is an odd number;
the first lifting device is used for lifting the product tool to the jth layer of the aging device so that the Mini LED display screen on the product tool is aged in the aging mechanism on the jth layer, wherein j is more than or equal to 3 and less than or equal to N-1, and j is an odd number.
6. The full-automatic intelligent aging test production line for Mini LED display screens of claim 5,
the first lifting device is further used for lifting the product tool to the testing device after the Mini LED display screen is aged in the (i + 1) th layer of the aging mechanism, so that the testing device can detect the Mini LED display screen on the product tool.
7. The full-automatic intelligent aging test production line for Mini LED display screens of claim 5,
the first lifting device or the second lifting device includes:
a lifting body comprising a guide rail;
the sliding frame is connected with the guide rail in a sliding mode and used for containing the product tool;
and the driving device is arranged on the lifting main body and used for driving the sliding frame to move along the guide rail.
8. The full-automatic intelligent aging test production line for Mini LED display screens of claim 5,
each layer of the aging mechanism comprises:
a frame;
the driving device is arranged on the rack and used for moving the product tool from one end of the aging mechanism to one end of the aging mechanism within a preset time period;
and the conductive part is arranged on the rack and is used for being electrically connected with the product tool when the product tool moves in the aging mechanism.
9. The full-automatic intelligent aging test production line for Mini LED display screens of claim 5,
and a plurality of heating devices are arranged on the side surface of each aging mechanism and used for providing aging temperature for the aging devices.
10. The full-automatic intelligent aging test production line for Mini LED display screens of claim 9,
the aging device further comprises at least one heat dissipation device which is used for starting when the aging temperature of the aging device exceeds the preset temperature and reducing the aging temperature of the aging device.
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| CN202011275618.0A CN112595862B (en) | 2020-11-16 | Full-automatic intelligent aging test production line for Mini LED display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011275618.0A CN112595862B (en) | 2020-11-16 | Full-automatic intelligent aging test production line for Mini LED display screen |
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| CN112595862B CN112595862B (en) | 2024-04-16 |
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