CN114563650A - Intelligent Micro LED crimping and lighting detection device and detection method thereof - Google Patents

Intelligent Micro LED crimping and lighting detection device and detection method thereof Download PDF

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Publication number
CN114563650A
CN114563650A CN202210442205.XA CN202210442205A CN114563650A CN 114563650 A CN114563650 A CN 114563650A CN 202210442205 A CN202210442205 A CN 202210442205A CN 114563650 A CN114563650 A CN 114563650A
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China
Prior art keywords
sliding
probe module
micro led
crimping
lighting
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Granted
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CN202210442205.XA
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Chinese (zh)
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CN114563650B (en
Inventor
刘曜轩
马纪飞
夏坤
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Suzhou Weidazhi Technology Co ltd
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Suzhou Weidazhi Electronic Technology Co Ltd
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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
    • 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
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • 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
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Measuring Leads Or Probes (AREA)

Abstract

The invention discloses a Micro LED intelligent crimping lightening detection device and a detection method thereof, wherein the detection device comprises the following steps: control system and microscope carrier and set up first determine module and the second determine module in the microscope carrier both sides, the microscope carrier top is provided with the switching circuit board, be provided with a plurality of Micro LED on the display screen, switching circuit board both sides all are provided with a plurality of crimping point, whether the electric contact can detect the corresponding Micro LED in contact process with the crimping point and light, the electric contact is connected a plurality of crimping point and is lighted the test, first probe module can the dislocation with the second probe module and remove, first probe module can detect alone or detect simultaneously with the second probe module, realize the nimble sampling test of Micro LED.

Description

Micro LED intelligent crimping lighting detection device and detection method thereof
Technical Field
The invention relates to the field of Micro LED intelligent detection, in particular to a Micro LED intelligent compression joint lighting detection device and a detection method thereof.
Background
Micro LED is a new generation display technology, luminance is higher than current OLED technique, luminous efficiency is better, but the consumption is lower, the test is lighted to every panel in the Micro LED field need, Micro LED's connector is all smaller, and it is limited to connect the number of times life-span, traditional test of lighting all is carried out artifical the test through the test pen, so not only work efficiency is low, extravagant manpower and materials, in carrying out testing process, still cause the damage of pressure contact easily, influence Micro LED's life, in order to reduce the loss to the product connector in testing process as far as possible, the probe module has been adopted and intelligent crimping is lighted the test, the test effect is better.
Disclosure of Invention
In order to solve at least one technical problem, the invention provides a Micro LED intelligent compression joint lighting detection device and a detection method thereof.
The invention provides a first aspect of a Micro LED intelligent crimping lightening detection device, which comprises: a control system, a carrier, a first detection component and a second detection component which are arranged at two sides of the carrier,
the top of the carrier is provided with a switching circuit board, a display screen is arranged in the middle of the top of the switching circuit board, a plurality of Micro LEDs are arranged on the display screen, a plurality of crimping points are arranged on two sides of the switching circuit board and arranged in an array mode, and the crimping points are electrically connected with the Micro LEDs in a one-to-one correspondence mode;
a bottom plate is arranged below the carrying platform, and a control system is arranged on the bottom plate and comprises a lighting control plate and a relay plate;
the first detection assembly and the second detection assembly are symmetrically arranged at two ends of the top of the bottom plate, the first detection assembly comprises a first sliding table, the top of the first sliding table is connected with a first sliding seat in a matching way, the first sliding seat can horizontally slide along the first sliding table, the top of the first sliding seat is provided with a first vertical seat, one side of the first vertical seat is provided with a first vertical slide way, the first vertical slide way is connected with a first vertical slide block in a matching way, and the end part of the first vertical slide block is connected with a first probe module in a matching way,
the second detection assembly comprises a second sliding table, the top of the second sliding table is connected with a second sliding seat in a matching way, the second sliding seat can horizontally slide along the second sliding table, the top of the second sliding seat is provided with a second vertical seat, one side of the second vertical seat is provided with a second vertical slideway, the second vertical slideway is connected with a second vertical sliding block in a matching way, the end part of the second vertical sliding block is connected with a second probe module in a matching way,
the bottom parts of the first probe module and the second probe module are respectively provided with at least three pneumatic telescopic structures, the end parts of the pneumatic telescopic structures are provided with electric contacts, and the distance between every two adjacent electric contacts is the same as the distance between every two adjacent pressure contact points;
when the pneumatic telescopic structure extends out, the electric contact at the end part of the pneumatic telescopic structure is connected and communicated with the crimping point at the corresponding position, and a Micro LED lighting test is carried out; the electric contact is in contact with the pressure welding points and can detect whether corresponding Micro LEDs are lightened or not, the electric contact is sequentially connected with a plurality of pressure welding points to carry out Micro LED lightening test, the first probe module and the second probe module can move in a staggered mode, and the first probe module and the second probe module can detect independently or simultaneously in the staggered moving process;
the contact of the electric contacts and the pressure welding points at different positions is controlled by controlling the extension or retraction of different pneumatic telescopic structures, so that Micro LED sampling detection is realized.
In a preferred embodiment of the present invention, the bottom of each of the first probe module and the second probe module is provided with a pneumatic valve set, the pneumatic telescopic structure includes a fixing mechanism and a telescopic mechanism, and the pneumatic valve set is used for controlling the telescopic mechanism to extend and retract, so as to adjust the height of the electrical contact.
In a preferred embodiment of the invention, the number of the pneumatic telescopic structures is 5-10.
In a preferred embodiment of the present invention, horizontal sliding ways are symmetrically disposed on top portions of the first sliding table and the second sliding table, fastening portions matched with the horizontal sliding ways are disposed on bottom portions of the first sliding base and the second sliding base, the first sliding base and the second sliding base can slide along the horizontal sliding ways, and positions of the first probe module and the second probe module can be adjusted during sliding of the first sliding base and the second sliding base.
In a preferred embodiment of the present invention, a first bending portion is disposed at an end of the fastening portion, a second bending portion is disposed at one side of the horizontal sliding way, the first bending portion and the second bending portion are fastened to each other, and the bending directions of the first bending portion and the second bending portion are opposite.
In a preferred embodiment of the present invention, a first screw is disposed on one side of the first sliding table, a fixing block is disposed at a free end of the first screw, a screw thread engaged with the first screw is disposed at a middle position of a bottom of the first sliding seat, the first screw can rotate, and the first screw can drive the first sliding seat to slide along the horizontal slide way during rotation.
In a preferred embodiment of the invention, a second screw rod is arranged on one side of the second sliding table, a fixed block is arranged at a free end of the second screw rod, a screw thread matched with the second screw rod is arranged at the middle position of the bottom of the second sliding seat, the second screw rod can rotate, and the second sliding seat can be driven to slide along the horizontal slide way in the rotation process of the second screw rod.
In a preferred embodiment of the present invention, a first controller is disposed at one end of the first sliding table, the first controller is configured to control the first screw rod to rotate, a first interface is disposed at an end of the first sliding table, and the first interface is electrically connected to the first controller;
and a second controller is arranged at one end of the second sliding table and used for controlling the second lead screw to rotate, a second interface is arranged at the end part of the second sliding table and electrically connected with the second controller.
In a preferred embodiment of the present invention, the first interface and the second interface are pin interfaces, and 16 pins are disposed inside the first interface and the second interface.
In a preferred embodiment of the present invention, support columns are disposed at four corners of the bottom of the carrier, and the bottoms of the support columns are fixed to the top of the bottom plate.
In a preferred embodiment of the present invention, two circuit board slots are disposed on the top of the carrier, the circuit board slots are used for clamping the adapting circuit board, and a clamping block matched with the slot is disposed at the bottom of the adapting circuit board.
In order to solve at least one of the above technical problems, the present invention proposes a second technical solution: a detection method is applied to a Micro LED intelligent compression joint lighting detection device and is characterized by comprising the following steps:
s1, placing the switching circuit board on a carrier, and moving the switching circuit board to a preset position through the matching sliding of a clamping groove at the top of the carrier and a clamping block at the bottom of the switching circuit board;
s2, moving the first probe module or/and the second probe module to the upper part of the pressure welding point by controlling;
s3, adjusting the extension or retraction of the pneumatic telescopic structures at the bottoms of the first probe module or/and the second probe module to adjust the electric contacts at different positions to be in contact with the pressure contact points;
s4, the lighting state of the Micro LED is detected by selecting different electric contacts and connecting the voltage contacts, and sampling detection of the Micro LED is realized.
Compared with the prior art, the technical scheme of the invention has the following advantages:
(1) the Micro LED lighting test device has the advantages that the Micro LED lighting test can be conducted through sequentially contacting with the pressure contact points on the switching circuit board through the electric contacts on the first detection assembly and the second detection assembly, the first detection assembly and the second detection assembly can be tested independently and can also be tested synchronously, the test speed is high, the first detection assembly and the second detection assembly can be intelligently controlled through the first controller and the second controller, and the intelligent lighting of the Micro LED is achieved.
(2) The built-in program of lighting of control panel lights Micro LED according to the program of lighting, and repeater board control lighting time and with real-time current and voltage input to digital multimeter, record data can the defect of analysis Micro LED through data to can maintain Micro LED according to the analysis result.
(3) The first detection assembly and the second detection assembly can respectively drive the first crimping module and the second crimping module to move in the horizontal direction and the vertical direction, so that flexible connection of the electric connection points and different crimping points is realized, the flexibility of lighting test is high, and the test efficiency is improved.
(4) The pneumatic telescopic structures at different positions are adjusted to stretch through the pneumatic valve bank, so that the electric contact points are controlled to be communicated with the pressure contact points at corresponding positions, the Micro LED on the display screen is sampled and detected by the first probe module and the second probe module, the sampling area and the sampling number of the Micro LED are flexibly controlled by controlling the connection mode of the electric contact points and the pressure contact points, the flexible sampling detection of the Micro LED is realized, and the detection efficiency is high.
Drawings
FIG. 1 is a schematic perspective view of an intelligent crimping lighting detection device according to a preferred embodiment of the present invention;
FIG. 2 is a perspective view of a first sliding table according to a preferred embodiment of the present invention;
FIG. 3 is a schematic view of another angle of the first slide table according to the preferred embodiment of the present invention;
FIG. 4 is a top view of the intelligent crimp connection ignition detection device in accordance with the preferred embodiment of the present invention;
FIG. 5 is a bottom view of a first probe module according to a preferred embodiment of the present invention;
fig. 6 is a schematic view showing the telescopic state of the pneumatic telescopic structure according to the preferred embodiment of the present invention.
In the figure: 1. the device comprises a first interface, 2, a first controller, 3, a first sliding table, 4, a first screw rod, 5, a first sliding seat, 6, a first vertical seat, 7, a first vertical slide way, 8, a first vertical slide way, 9, a first probe module, 10, a crimping point, 11, a switching circuit board, 12, a display screen, 13, a second probe module, 14, a second vertical slide way, 15, a second vertical slide way, 16, a relay board, 17, a second vertical seat, 18, a second sliding seat, 19, a horizontal slide way, 20, a second screw rod, 21, a second sliding table, 22, a second controller, 23, a second interface, 24, a lighting control board, 25, a circuit board clamping groove, 26, a bottom board, 27, a carrier table, 28, a supporting column, 29, a fixed block, 30, an electric contact, 31, a pneumatic valve group, 32, a fixed mechanism, 33 and a telescopic mechanism.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1-6, the present invention provides a Micro LED intelligent crimping lighting detection device, comprising: a control system and a stage 27, and a first and a second detecting element arranged on both sides of the stage 27,
the top of the carrier 27 is provided with a switching circuit board 11, a display screen 12 is arranged in the middle of the top of the switching circuit board 11, a plurality of Micro LEDs are arranged on the display screen 12, a plurality of crimping points 10 are arranged on two sides of the switching circuit board 11, the plurality of crimping points 10 are arranged in an array, and the crimping points 10 are electrically connected with the Micro LEDs in a one-to-one correspondence manner;
a bottom plate 26 is arranged below the carrier 27, and a control system is arranged on the bottom plate 26 and comprises a lighting control plate 24 and a relay plate 16;
the first detection component and the second detection component are symmetrically arranged at two ends of the top of the bottom plate 26, the first detection component comprises a first sliding table 3, the top of the first sliding table 3 is connected with a first sliding seat 5 in a matching way, the first sliding seat 5 can horizontally slide along the first sliding table 3, the top of the first sliding seat 5 is provided with a first vertical seat 6, one side of the first vertical seat 6 is provided with a first vertical slideway 7, the first vertical slideway 7 is connected with a first vertical slide block 8 in a matching way, the end part of the first vertical slide block 8 is connected with a first probe module 9 in a matching way,
the second detection component comprises a second sliding table 21, the top of the second sliding table 21 is connected with a second sliding base 18 in a matching way, the second sliding base 18 can horizontally slide along the second sliding table 21, the top of the second sliding base 18 is provided with a second vertical base 17, one side of the second vertical base 17 is provided with a second vertical slide way 15, the second vertical slide way 15 is connected with a second vertical slide block 14 in a matching way, the end part of the second vertical slide block 14 is connected with a second probe module 13 in a matching way,
all be provided with at least one electric contact 30 on first probe module 9 and the second probe module 13, whether electric contact 30 can detect corresponding Micro LED and light with the pressure contact 10 contact in-process, electric contact 30 connects gradually a plurality of pressure contact 10 and carries out the test that Micro LED lights, first probe module 9 and second probe module 13 can the dislocation removal, and dislocation removal in-process first probe module 9 can detect alone or detect simultaneously with second probe module 13.
The bottoms of the first probe module 9 and the second probe module 13 are respectively provided with at least three pneumatic telescopic structures, the end parts of the pneumatic telescopic structures are provided with electric contacts 30, and the distance between adjacent electric contacts is the same as that between adjacent pressure contact points;
when the pneumatic telescopic structure extends out, the electric contact at the end part of the pneumatic telescopic structure is connected and communicated with the crimping point at the corresponding position, and a Micro LED lighting test is carried out;
the contact of the electric contacts and the pressure welding points at different positions is controlled by controlling the extension or retraction of different pneumatic telescopic structures, so that Micro LED sampling detection is realized.
Furthermore, Micro LEDs are a display technology in which self-luminous micron-scale LEDs are used as light emitting pixel units and are assembled on a driving panel to form a high-density LED array, and have the characteristics of small size, high integration level, self-luminous performance and the like, and have greater advantages in brightness, resolution, contrast, energy consumption, service life, response speed, thermal stability and the like.
Further, light the built-in procedure of lighting of control panel 24, light Micro LED according to the procedure of lighting, repeater board control lighting time and with real-time current and voltage input to digital multimeter, the record data, can analyze Micro LED's defect through data, thereby can maintain Micro LED according to the analysis result, first detecting element can drive first crimping module and second crimping module respectively and remove at horizontal direction and vertical direction with the second crimping module, realize electric contact 30 and the nimble switch-on of different crimping point 10, it is higher to light test flexibility, improve efficiency of software testing.
Further, the lighting program is a conventional lighting program, such as lighting by a PCL control program, and a person skilled in the art can perform conventional replacement or selection of the lighting program.
Further, a plurality of Micro LED products are connected to the adapter circuit board 11 through a connector, the probe module moves to the crimping point 10 through the precision sliding table, and is contacted with the crimping point 10 through the electric contact 30 to be crimped and connected; the lighting control board 24 lights the Micro LED according to the lighting program, the relay board controls the lighting time and inputs the real-time current and voltage to the digital multimeter to record data.
Furthermore, the first probe module 9 and the second probe module 13 can be tested independently or simultaneously, it can be understood that the press connection points 10 are respectively disposed at the left side press connection point 10 and the right side press connection point 10 of the adapting circuit board 11, the left side press connection point 10 is used for electrically connecting the plurality of Micro LEDs at the left side of the display screen 12, the right side press connection point 10 is used for electrically connecting the plurality of Micro LEDs at the right side of the display screen 12, the display screen 12 is divided into the left side and the right side, the plurality of Micro LEDs at the left side are matched with the electrical connection points 30 of the first press connection module, the plurality of Micro LEDs at the right side are matched with the electrical connection points 30 of the second press connection module, that is, when the electrical contact 30 of the first crimp module is in contact with the left crimp 10, the Micro LEDs on the left side can be turned on, and the electrical contact 30 of the second crimp module is in contact with the right crimp 10, and the Micro LEDs on the right side can be turned on, thereby performing a lighting test.
Further, the number of the electrical contacts 30 under the first probe module 9 and the second probe module 13 may be the same or different, and in a preferred embodiment of the present invention, the number of the electrical contacts 30 under the first probe module 9 is 1 to 20, and preferably the number of the electrical contacts 30 under the first probe module 9 is 3, 5, 8, 10, or 15, 18.
The number of the electrical contacts 30 under the second probe module 13 is 1-20, preferably the number of the electrical contacts 30 under the second probe module 13 is 3, 5, 8, 10 or 15, 18,
the first probe module 9 can be connected with 3 Micro LEDs, 5 Micro LEDs or 8 Micro LEDs at the same time, that is, the first probe module 9 can perform lighting detection of a plurality of Micro LEDs, can also simultaneously detect the lighting state of a row of Micro LEDs, and can also simultaneously detect the lighting state of a plurality of Micro LEDs in a region, so as to flexibly adjust the lighting number of the Micro LED pressure contact points 10, thereby avoiding the situation that one of the Micro LEDs is not lighted in the detection process of large-area Micro LEDs, in addition, sampling detection of a single or a plurality of Micro LEDs can be realized by arranging a plurality of pressure contact points 10 below the first probe module 9,
furthermore, a plurality of Micro LEDs on the display screen can be divided into a plurality of display areas, the display areas can be divided into one row or more than two rows, or can be divided into circular areas or square areas according to shapes, the Micro LEDs can be sampled and detected in a pattern display mode, the detection modes are flexible and various, in addition, the first probe module 9 can also realize the simultaneous detection of a plurality of Micro LEDs in different area ranges on the display screen, for example, when two circular areas or a plurality of circular areas are matched with lighting detection, the sampling mode is very flexible, when the number of Micro LEDs on the display screen is large, for example, when five thousand Micro LEDs or ten thousand Micro LEDs on one display screen, a large amount of manpower and material resources are wasted through a mode of one-by-one-detection mode, at the moment, the Micro LEDs can be sampled and detected in a row, compared with a mode of single Micro LED or one-by-one-time detection, the detection efficiency is higher.
The second probe module 13 is tested in the same manner as the first probe module 9.
In one embodiment of the present invention, the number of the electrical contacts 30 under the first probe module 9 is different from the number of the electrical contacts 30 under the second probe module 13, the first probe module 9 is used for controlling the lighting test of the Micro LEDs in the left area of the display screen, the second probe module 13 is used for controlling the lighting test of the Micro LEDs in the right area of the display screen, the sampling number of the Micro LEDs on the left side and the right side of the display screen is flexibly selected by selecting the number of the electrical contacts 30 under the first probe module 9 and the number of the electrical contacts 30 under the second probe module 13, in addition, the electrical contacts 30 under the first probe module 9 and the second probe module 13 can be set to be a telescopic cylinder structure, the telescopic structure can be selected to be sleeved, i.e. the cylinder is a two-section structure, the size of the first section of the cylinder is larger than that of the second section of the cylinder, i.e. the first section of the cylinder is sleeved outside of the second section of the cylinder, the second section of cylinder can stretch out and draw back in first section cylinder inside, realizes the flexible of electric contact 30, and the cylinder through different electric contacts 30 of control is flexible, adjusts adjacent electric contact 30's distance, realizes the test of lighting up of the intercommunication of first pressure contact 10 and third pressure contact 10, also can realize the test of lighting up of the intercommunication of first pressure contact 10 and fourth pressure contact 10 or fifth pressure contact 10, and the test mode is nimble various with the sampling mode.
Further, scalable cylinder structure is pneumatic telescopic structure, and pneumatic telescopic structure includes fixed establishment 32 and telescopic machanism 33, and first probe module 9 all is provided with a plurality of pneumatic telescopic structures and pneumatic valves 31 with second probe module 13 below, and pneumatic valves 31 is used for controlling pneumatic telescopic structure, and each pneumatic telescopic structure homoenergetic is flexible alone, and the flexible in-process of pneumatic telescopic structure is used for adjusting the electrical connection and presses the contact switch-on, and then realizes Micro LED sampling inspection.
The pneumatic valve group comprises a plurality of pneumatic valves, the pneumatic valves correspond to the pneumatic telescopic structures one by one, and one pneumatic valve controls one pneumatic telescopic structure to realize independent movement and extension of the pneumatic telescopic structure.
Further, the number of the pneumatic telescopic structures is 5, the distance between the adjacent pneumatic telescopic structures is the same as the distance between the adjacent pressure contact points 10, when the 5 pneumatic telescopic structures extend out simultaneously, the pneumatic telescopic structures can be connected and communicated with the 5 pressure contact points simultaneously, when the second pneumatic telescopic structure retracts, when the pressure contact point lighting test is carried out, the second pneumatic telescopic structure cannot be in contact with the pressure contact points, the first pneumatic telescopic structure, the third pneumatic telescopic structure, the fourth pneumatic telescopic structure and the fifth pneumatic telescopic structure carry out the pressure contact point lighting test, the pressure contact points corresponding to the positions of the second pneumatic telescopic structure are vacated, the pressure contact points corresponding to the positions of the rest four pneumatic telescopic structures are communicated, and similarly, when the second pneumatic telescopic structure, the third pneumatic telescopic structure and the fourth pneumatic telescopic structure retract, the first pneumatic telescopic structure, When the fifth pneumatic telescopic structure stretches out, the compression joint points corresponding to the positions of the second pneumatic telescopic structure, the third pneumatic telescopic structure and the fourth pneumatic telescopic structure are vacated, the compression joint points corresponding to the positions of the first pneumatic telescopic structure and the fifth pneumatic telescopic structure are subjected to on-off test, Micro LED sampling detection is achieved by controlling the pneumatic telescopic structures, and the detection modes are flexible and diverse.
As shown in fig. 6, in one embodiment of the present invention, the third pneumatic telescoping mechanism retracts, the electrical contact point on the third pneumatic telescoping mechanism does not contact the pressure contact point at the corresponding position, and the first pneumatic telescoping mechanism, the second pneumatic telescoping mechanism, the fourth pneumatic telescoping mechanism, and the fifth pneumatic telescoping mechanism are connected to the pressure contact point at the corresponding position, so that Micro LED sampling detection is performed.
Furthermore, a plurality of electrical contacts 30, namely 3 electrical contacts 30, 4 electrical contacts, 5 electrical contacts, 6 electrical contacts, and 7 electrical contacts, may be disposed on the first probe module 9 and the second probe module 13, and the distance between adjacent electrical contacts 30 is the same as the distance between adjacent pressure contacts 10, so as to ensure that the Micro LEDs on two or more sides can be simultaneously subjected to the lighting test.
Further, the relay board 16 is provided with a plurality of relays, each of the relays is a connection device operating on a physical layer and is a network device for regenerating and restoring signals, each of the relays is used for extending a network distance in a lan environment, and each of the relays has an amplification and regeneration function for the signals on the line and is used for extending the length of a lan segment.
According to the embodiment of the invention, horizontal slideways 19 are symmetrically arranged at the tops of the first sliding table 3 and the second sliding table 21, buckling parts matched with the horizontal slideways 19 are arranged at the bottoms of the first sliding base 5 and the second sliding base 18, the first sliding base 5 and the second sliding base 18 can slide along the horizontal slideways 19, and the positions of the first probe module 9 and the second probe module 13 can be adjusted in the sliding process of the first sliding base 5 and the second sliding base 18.
Further, a first screw rod 4 is arranged on one side of the first sliding table 3, a fixing block 29 is arranged at the free end of the first screw rod 4, a screw thread matched with the first screw rod 4 is arranged at the middle position of the bottom of the first sliding seat 5, the first screw rod 4 can rotate, and the first sliding seat 5 can be driven to slide along the horizontal slide way 19 in the rotating process of the first screw rod 4.
According to the embodiment of the invention, a second screw rod 20 is arranged on one side of the second sliding table 21, a fixed block 29 is arranged at the free end of the second screw rod 20, a screw thread matched with the second screw rod 20 is arranged at the middle position of the bottom of the second sliding seat 18, the second screw rod 20 can rotate, and the second sliding seat 18 can be driven to slide along the horizontal slide way 19 in the rotating process of the second screw rod 20.
According to the embodiment of the invention, the end of the buckling part is provided with a first bending part, one side of the horizontal slideway 19 is provided with a second bending part, the first bending part and the second bending part are buckled with each other, and the bending directions of the first bending part and the second bending part are opposite.
Further, the first bending portion bends inward, and it is understood that the bending direction of the first bending portion is toward the center line of the first slider 5. The bending angle of the first bending part is 40-60 degrees.
Further, the bending angle of the first bending portion may be 40 degrees, 45 degrees, 50 degrees, 55 degrees, or 60 degrees, and preferably, the bending angle of the first bending portion is 50 degrees.
Further, the bending direction of the second bending portion is outward, it can be understood that the bending direction of the second bending portion is toward the outer side of the horizontal slideway 19, the bending angle of the second bending portion is 40-60 degrees, and the first bending portion and the second bending portion are both hook-shaped structures.
Further, the bending angle of the second bending portion may be 40 degrees, 45 degrees, 50 degrees, 55 degrees, or 60 degrees, and preferably, the bending angle of the second bending portion is 50 degrees.
It can be understood that, the bending angle of the first bending portion is the same as that of the second bending portion, so as to ensure that the first bending portion and the second bending portion can be mutually buckled.
In a preferred embodiment of the present invention, while the first bent portion and the second bent portion are fastened, the first slide 5 and the second slide 18 are movably connected through the first lead screw 4 and the second lead screw 20, so as to provide the connection firmness of the first slide 5, the second slide 18 and the horizontal sliding way 19 and prevent the first slide 5, the second slide 18 and the horizontal sliding way 19 from being separated.
Furthermore, the outer sides of the first screw rod 4 and the second screw rod 20 are both provided with threads, in the process that the first sliding seat 5 and the second sliding seat 18 horizontally move, the moving distance between the first sliding seat 5 and the second sliding seat 18 is accurately controlled through the thread pitches of the threads on the outer sides of the first screw rod 4 and the second screw rod 20 and the number of rotation turns of the first screw rod 4 and the second screw rod 20, accurate movement is achieved, it is guaranteed that the contact positions of the electric contacts 30 and the crimping points 10 are corresponding, the electric contacts 30 are prevented from deviating from the crimping points 10, misjudgment of Micro LED test results is caused, and test accuracy is improved.
According to the embodiment of the invention, one end of a first sliding table 3 is provided with a first controller 2, the first controller 2 is used for controlling a first screw rod 4 to rotate, the end part of the first sliding table 3 is provided with a first interface 1, and the first interface 1 is electrically connected with the first controller 2;
one end of the second sliding table 21 is provided with a second controller 22, the second controller 22 is used for controlling the second screw rod 20 to rotate, a second interface 23 is arranged at the end of the second sliding table 21, and the second interface 23 is electrically connected with the second controller 22.
According to the embodiment of the present invention, the first interface 1 and the second interface 23 are pin interfaces, and 16 pins are disposed inside the first interface 1 and the second interface 23.
According to the embodiment of the invention, four corners of the bottom of the carrier 27 are provided with the supporting columns 28, and the bottoms of the supporting columns 28 are fixed on the top of the bottom plate 26.
According to the embodiment of the invention, two circuit board slots 25 are arranged at the top of the carrier 27, the circuit board slots 25 are used for clamping the switching circuit board 11, and the bottom of the switching circuit board 11 is provided with a clamping block matched with the slots.
In order to solve at least one of the above technical problems, the present invention proposes a second technical solution: a detection method is applied to a Micro LED intelligent compression joint lighting detection device and is characterized by comprising the following steps:
s1, placing the switching circuit board on a carrier, and moving the switching circuit board to a preset position through the matching sliding of a clamping groove at the top of the carrier and a clamping block at the bottom of the switching circuit board;
s2, moving the first probe module or/and the second probe module to the position above the crimping point by controlling;
s3, adjusting the extension or retraction of the pneumatic telescopic structures at the bottoms of the first probe module or/and the second probe module to adjust the electric contacts at different positions to be in contact with the pressure contact points;
s4, the lighting state of the Micro LED is detected by selecting different electric contacts and connecting the voltage contacts, and sampling detection of the Micro LED is realized.
Furthermore, one pressure contact point 10 on the display screen can control one Micro LED and also can control a plurality of Micro LEDs, when one pressure contact point 10 controls a plurality of Micro LEDs, the plurality of Micro LEDs can be Micro LEDs in the same row or a plurality of Micro LEDs in different rows.
Furthermore, the number of the left press contact 10 and the number of the right press contact 10 are 10, and the first probe module 9 and the second probe module 13 can move in a dislocation manner, that is, when the electric contact 30 of the first probe module 9 contacts with the first left press contact 10, the electric contact 30 on the second probe module 13 can contact with the first right press contact 10 for a lighting test, or can contact with the 2 nd to 10 th right press contact 10.
Further, when 2 electrical contacts 30 are provided on the first probe module 9, the first probe module 9 may be simultaneously brought into contact with two press contacts 10 to light up, the second probe module 13 may be brought into contact with the first press contact 10 on the left side and the second press contact 10, or may be brought into contact with the second press contact 10 on the left side and the third press contact 10, and the pitch of the electrical contacts 30 of 2 on the first probe module 9 is the same as the pitch between the adjacent two press contacts 10.
Similarly, when the second probe module 13 is provided with 2 electrical contacts 30, the second probe module 13 may be simultaneously in contact with two press contacts 10 to light up, the second probe module 13 may be in contact with the first press contact 10 and the second press contact 10 on the right side, or may be in contact with the second press contact 10 and the third press contact 10 on the right side, and the distance between the electrical contacts 30 of 2 on the second probe module 13 is the same as the distance between the adjacent two press contacts 10.
Furthermore, the number of the electric contacts at the bottom of the first probe module 9 and the second probe module 13 is 2-10.
Optionally, the number of the electrical contacts 30 at the bottom of the first probe module 9 is 3, 5, 7, 9; the number of the electrical contacts 30 at the bottom of the second probe module 13 is 3, 5, 7, or 9, or the number of the electrical contacts 30 at the bottom of the second probe module 13 is 4, 6, or 8.
Preferably, the number of the electrical contacts 30 at the bottoms of the first probe module 9 and the second probe module 13 is 5, as shown in fig. 5-6, by controlling the pneumatic telescopic structures at different positions, for example, controlling the first pneumatic telescopic structure and the fourth pneumatic telescopic structure of the first probe module 9 to retract, and controlling the other pneumatic telescopic structures to extend, at this time, the first pneumatic telescopic structure and the fourth pneumatic telescopic structure cannot be communicated with the corresponding crimping points 10, so as to realize selective Micro LED lighting test, while the second probe module 13 may not be operated, or controlling the second pneumatic telescopic structure and the fourth pneumatic telescopic structure at the bottom of the second probe module 13 to retract, and the other pneumatic telescopic structures to extend and perform sampling detection, it can be understood that the number of the pneumatic telescopic structures at the bottoms of the first probe module 9 and the second probe module 13 may be the same, also can be different, in lighting the test process, can control first probe module 9 and the different pneumatic extending structure in second probe module 13 bottom and stretch out and draw back to realize more nimble sampling test.
In conclusion, the Micro LEDs are sequentially contacted with the pressure contact points 10 on the adapter circuit board 11 through the electric contacts 30 on the first detection assembly and the second detection assembly to light the Micro LEDs for lighting test, the first detection assembly and the second detection assembly can be tested independently or synchronously, the test speed is high, the first detection assembly and the second detection assembly can be intelligently controlled through the first controller 2 and the second controller 22, and the Micro LEDs are intelligently lighted.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. The utility model provides a detection device is lighted in Micro LED intelligence crimping, includes: a control system, a carrier, a first detection component and a second detection component which are arranged at two sides of the carrier,
the top of the carrier is provided with a switching circuit board, a display screen is arranged in the middle of the top of the switching circuit board, a plurality of Micro LEDs are arranged on the display screen, a plurality of crimping points are arranged on two sides of the switching circuit board and arranged in an array mode, and the crimping points are electrically connected with the Micro LEDs in a one-to-one correspondence mode;
a bottom plate is arranged below the carrying platform, and a control system is arranged on the bottom plate and comprises a lighting control plate and a relay plate;
the first detection assembly and the second detection assembly are symmetrically arranged at two ends of the top of the bottom plate, the first detection assembly comprises a first sliding table, the top of the first sliding table is connected with a first sliding seat in a matching way, the first sliding seat can horizontally slide along the first sliding table, the top of the first sliding seat is provided with a first vertical seat, one side of the first vertical seat is provided with a first vertical slide way, the first vertical slide way is connected with a first vertical slide block in a matching way, and the end part of the first vertical slide block is connected with a first probe module in a matching way,
the second detection assembly comprises a second sliding table, the top of the second sliding table is connected with a second sliding seat in a matching way, the second sliding seat can horizontally slide along the second sliding table, the top of the second sliding seat is provided with a second vertical seat, one side of the second vertical seat is provided with a second vertical slideway, the second vertical slideway is connected with a second vertical sliding block in a matching way, the end part of the second vertical sliding block is connected with a second probe module in a matching way,
the bottom parts of the first probe module and the second probe module are respectively provided with at least three pneumatic telescopic structures, the end parts of the pneumatic telescopic structures are provided with electric contacts, and the distance between every two adjacent electric contacts is the same as the distance between every two adjacent pressure contact points;
when the pneumatic telescopic structure extends out, the electric contact point at the end part of the pneumatic telescopic structure is connected and communicated with the crimping point at the corresponding position, and a Micro LED lighting test is carried out; the electric contact is in contact with the pressure welding points and can detect whether corresponding Micro LEDs are lightened or not, the electric contact is sequentially connected with a plurality of pressure welding points to carry out Micro LED lightening test, the first probe module and the second probe module can move in a staggered mode, and the first probe module and the second probe module can detect independently or simultaneously in the staggered moving process;
the contact of the electric contacts at different positions with the pressure welding points is controlled by controlling the extension or retraction of different pneumatic telescopic structures, so that the Micro LED sampling detection is realized.
2. A Micro LED intelligent crimp lighting detection device as claimed in claim 1, wherein a pneumatic valve set is disposed at the bottom of each of the first probe module and the second probe module, the pneumatic telescopic structure includes a fixing mechanism and a telescopic mechanism, and the pneumatic valve set is used for controlling the telescopic mechanism to extend and retract so as to adjust the height of the electrical contact.
3. A Micro LED intelligent crimping lighting detection device according to claim 1, wherein said pneumatic telescoping structure is 5-10.
4. The Micro LED intelligent crimping and lighting detection device according to claim 1, wherein horizontal sliding ways are symmetrically arranged at tops of the first sliding table and the second sliding table, buckling portions matched with the horizontal sliding ways are arranged at bottoms of the first sliding base and the second sliding base, the first sliding base and the second sliding base can slide along the horizontal sliding ways, and positions of the first probe module and the second probe module can be adjusted in sliding processes of the first sliding base and the second sliding base.
5. The Micro LED intelligent crimping and lighting detection device as claimed in claim 4, wherein a first bent portion is disposed at an end of the buckling portion, a second bent portion is disposed at one side of the horizontal sliding way, the first bent portion and the second bent portion are buckled with each other, and a buckling direction of the first bent portion is opposite to a buckling direction of the second bent portion.
6. A Micro LED intelligent crimping lighting detection device according to claim 4 or 5, characterized in that a first lead screw is arranged on one side of the first sliding table, a fixed block is arranged at a free end of the first lead screw, a screw thread matched with the first lead screw is arranged at a middle position of the bottom of the first sliding base, the first lead screw can rotate, and the first sliding base can be driven to slide along the horizontal sliding way in the rotating process of the first lead screw.
7. The Micro LED intelligent crimping and lighting detection device according to claim 6, wherein a second lead screw is arranged on one side of the second sliding table, a fixed block is arranged at a free end of the second lead screw, a screw thread matched with the second lead screw is arranged at the middle position of the bottom of the second sliding base, the second lead screw can rotate, and the second sliding base can be driven to slide along the horizontal sliding way in the rotating process of the second lead screw.
8. The Micro LED intelligent crimping and lighting detection device according to claim 7, wherein a first controller is arranged at one end of the first sliding table and used for controlling the first lead screw to rotate, a first interface is arranged at the end of the first sliding table and electrically connected with the first controller;
and a second controller is arranged at one end of the second sliding table and used for controlling the second lead screw to rotate, a second interface is arranged at the end part of the second sliding table and electrically connected with the second controller.
9. A Micro LED intelligent pressure welding lighting detection device according to claim 1, wherein four corners of the bottom of the carrier are provided with support columns, the bottoms of the support columns are fixed on the top of the bottom plate, the top of the carrier is provided with two circuit board clamping grooves, the circuit board clamping grooves are used for clamping the switching circuit board, and the bottom of the switching circuit board is provided with clamping blocks matched with the clamping grooves.
10. A detection method is applied to the Micro LED intelligent crimping lighting detection device of any one of claims 1-9, and is characterized by comprising the following steps:
s1, placing the switching circuit board on a carrier, and moving the switching circuit board to a preset position through the matching sliding of a clamping groove at the top of the carrier and a clamping block at the bottom of the switching circuit board;
s2, moving the first probe module or/and the second probe module to the position above the crimping point by controlling;
s3, adjusting the extension or retraction of the pneumatic telescopic structure at the bottom of the first probe module or/and the second probe module to adjust the electric contacts at different positions to contact with the pressure contact;
s4, the lighting state of the Micro LED is detected by selecting different electric contacts to be connected with the voltage contact, and sampling detection of the Micro LED is realized.
CN202210442205.XA 2022-04-26 2022-04-26 Intelligent Micro LED crimping and lighting detection device and detection method thereof Active CN114563650B (en)

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