CN110780222A - MINI/MicroLED's lighting test device - Google Patents

MINI/MicroLED's lighting test device Download PDF

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Publication number
CN110780222A
CN110780222A CN201911322616.XA CN201911322616A CN110780222A CN 110780222 A CN110780222 A CN 110780222A CN 201911322616 A CN201911322616 A CN 201911322616A CN 110780222 A CN110780222 A CN 110780222A
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CN
China
Prior art keywords
control circuit
signal source
mini
port
fixture
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Pending
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CN201911322616.XA
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Chinese (zh)
Inventor
张凯
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Wessent (dongguan) Technology Co Ltd
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Wessent (dongguan) Technology Co Ltd
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Priority to CN201911322616.XA priority Critical patent/CN110780222A/en
Publication of CN110780222A publication Critical patent/CN110780222A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/44Testing lamps
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416Connectors, terminals

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Tests Of Electronic Circuits (AREA)

Abstract

The invention discloses a lighting test device of a MINI/MicroLED, which comprises a signal source case and a manual lighting test fixture, wherein the signal source case mainly comprises a power supply whole piece, a first transformer, a second transformer, a control circuit board and a man-machine control panel; the invention has the advantages of simple structure, simple operation and short detection time, can automatically perform the lighting detection of the MINI/MicroLED in various display modes in real time, and is suitable for MINI/MicroLED production enterprises.

Description

MINI/MicroLED's lighting test device
Technical Field
The invention relates to the technical field of MINI/MicroLED detection, in particular to a lighting test device for MINI/MicroLED.
Background
The device with the display screen on the market realizes projection basically through LED lamps, for example, devices such as mobile phones and televisions, now, backlight of many display products is gradually replaced by Mini/MicroLED from traditional LED, and devices with the display screen are increasing, so that the Mini/MicroLED needs to meet market requirements through mass production, but the Mini/MicroLED after mass production needs to be detected through detection equipment to ensure quality.
The prior lighting test equipment needs to consume a large amount of time for lighting detection of the Mini/MicroLED with multiple display modes, and needs to manually convert the display modes for lighting detection, so that the equipment occupies a large area, and has low detection efficiency. The market of the Mini/MicroLED lamp is gradually expanded, the production capacity needs to be increased, a large number of fields are needed for a large amount of tests by the old method, and the efficiency cannot keep pace. In order to save space, reduce manual operation and increase testing efficiency, a lighting testing device of MINI/MicroLED is developed.
Disclosure of Invention
The invention aims to provide a lighting test device for MINI/MicroLED, which has the advantages of simple structure, simple operation and short detection time, can automatically perform lighting detection of MINI/MicroLED in multiple display modes in real time, and solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a lighting test device for MINI/MicroLED comprises a signal source case and a manual lighting test fixture, wherein the signal source case is electrically connected with the manual lighting test fixture through a circuit lead or a data lead, the signal source case comprises a casing, a power supply whole piece, a first transformer, a second transformer, a control circuit board and a man-machine control panel, the power supply whole piece, the first transformer, the second transformer and the control circuit board are arranged in the casing, the man-machine control panel is arranged on the front end face of the casing, the control circuit board is provided with a signal source, the power supply whole piece, the first transformer and the second transformer are all electrically connected with the control circuit board, the control circuit board is electrically connected with the man-machine control panel, and the control panel is provided with a plurality of first binding posts and SCSI 68pin output ports; the manual lighting test fixture comprises a fixture cover plate, a fixture bottom plate, a crank connecting rod lifting mechanism, a testing mechanism and a connecting panel, wherein the fixture cover plate is positioned above the fixture bottom plate and fixedly connected with the fixture bottom plate, a cavity is formed between the lower end surface of the fixture cover plate and the upper end surface of the fixture bottom plate, the crank connecting rod lifting mechanism is arranged in the cavity, the testing mechanism is arranged at the rear end part of the upper end surface of the fixture cover plate, the crank connecting rod lifting mechanism longitudinally penetrates through the fixture cover plate and is connected with the testing mechanism, the connecting panel is arranged at one side, away from the testing mechanism, between the fixture cover plate and the fixture bottom plate, and is electrically connected with the testing mechanism, and the connecting panel is provided with a plurality of second wiring terminals and SCSI 68; the signal source case and the manual lighting test fixture can be connected with the first binding posts and the second binding posts through a plurality of circuit wires, or can be connected with the SCSI 68pin output port and the SCSI 68pin input port through data wires.
Preferably, the signal source case comprises two heat dissipation fans and a serial port circuit interface, the serial port circuit interface is arranged on one side of the rear end face of the casing, the serial port circuit interface is electrically connected with the control circuit board, the two heat dissipation fans are symmetrically arranged on the rear end face of the casing, and the two heat dissipation fans are electrically connected with the control circuit board.
Preferably, including shift knob, drive button, stop button, six display screens on the human-computer control panel and with six display screen cooperation six control knobs that use, shift knob, six display screens, six control knobs, drive button and stop button all with control circuit board electric connection.
Preferably, manual lighting test fixture includes the product apron, the product apron sets up on the tool apron, tool apron up end is equipped with the product standing groove, the product apron sets up around the product standing groove, the product apron is "U" type, hinge swing joint is passed through with one side of tool apron to one side of product apron, the opposite side of product apron is equipped with the handle.
Preferably, crank connecting rod elevating gear includes crank, drive belt, two connecting rods and elevating platform, the crank sets up in the cavity outside, the crank is equipped with first bull stick, first bull stick is equipped with first drive wheel, first drive wheel cup joints at first bull stick mid portion, two the connecting rod lower extreme passes through second connecting rod fixed connection, the second bull stick is equipped with the second drive wheel, the second drive wheel cup joints at second bull stick mid portion, first drive wheel and second drive wheel, two are connected in the drive belt cladding connecting rod upper end and elevating platform, the elevating platform both sides are equipped with the guide arm, one side that the tool apron is close to accredited testing organization is equipped with two and supplies guide arm male direction linear bearing, two the guide arm inserts two direction linear bearing, two guide arm upper end and accredited testing organization fixed connection.
Preferably, the testing mechanism comprises a needle block fixing plate, a plurality of probe blocks, a plurality of needle block pcb plates and a needle block cover plate, the number of the probe blocks is the same as that of the needle block pcb plates, the needle block fixing plate is provided with a plurality of steps, every two steps are arranged in opposite directions, the plurality of probe blocks are arranged between the steps in two opposite directions, needle block mounting grooves are formed in the upper ends of the plurality of probe blocks, the plurality of needle block pcb plates are arranged on the needle block mounting grooves, the needle block cover plate is fixedly connected with the probe blocks and the needle block fixing plate in a buckling manner, the plurality of probe blocks and the plurality of needle block pcb plates are positioned between the needle block cover plate and the needle block fixing plate, one side of the plurality of probe blocks, which is close to the central part of the manual lighting testing jig, is provided with five or more probes extending downwards, and the plurality of needle block pcb plates are electrically connected with the connecting panel, and the plurality of pin blocks pcb are electrically connected with the probes.
Preferably, the control circuit board is provided with a first rectifier, a first adjustable voltage stabilizer, a second rectifier, a second adjustable voltage stabilizer, a feedback control circuit group, a signal source output end, a current output end, a main control MCU, a voltage reduction stabilizer, a serial circuit and a buffer, wherein the voltage reduction stabilizer, the serial circuit and the buffer are connected with the main control MCU, the main control MCU is provided with a driving end and a stopping end, the signal source is arranged in the main control MCU, the first rectifier is electrically connected with the first adjustable voltage stabilizer, the second rectifier is connected with the second adjustable voltage stabilizer, the first adjustable voltage stabilizer and the second adjustable voltage stabilizer are both connected with the feedback control circuit group, the feedback control circuit group comprises a first feedback control circuit and a second feedback control circuit, the first adjustable voltage stabilizer is connected with the first feedback control circuit, the second adjustable voltage stabilizer is connected with the second feedback control circuit, the buffer is connected with the feedback control circuit group, the feedback control circuit group is connected with the signal source output end, and the signal source output end and the current output end can be output through a plurality of first binding posts or output through an SCSI 68pin output port.
Preferably, a plurality of the first terminals include a VSS port, a VDD port, a SCAN port, a DATA ODD port, and a DATA EVEN port, the signal source output terminal is output through the SCAN port, the DATA ODD port, and the DATA EVEN port, and the current output terminal is output through the VSS port and the VDD port.
Preferably, the first rectifier is electrically connected with the first transformer, the second rectifier is electrically connected with the second transformer, and the step-down voltage stabilizer is electrically connected with the whole power supply.
Compared with the prior art, the invention has the following beneficial effects:
1. the signal source case of the invention provides two connection modes for the MINI/MicroLED lighting test device by arranging a plurality of first binding post and SCSI 68pin output ports and matching with a plurality of second binding post and SCSI 68pin input ports at the upper end of a manual lighting test fixture, wherein the two connection modes are parallel connection and can be either one of optional connection modes or two connection modes simultaneously.
2. According to the invention, through the arrangement of the main control MCU, the MINI/MicroLED on the lamp panel of the product can be automatically subjected to product circulating lighting and extinguishing according to the circuit principle of the signal source, the use condition is simulated, the lighting detection of 17 display modes can be achieved, the detection quality is improved, and other detections, such as the aging detection of the MINI/MicroLED, can be carried out by matching different jigs through the modified signal source.
3. According to the invention, the MINI/MicroLED on the product can be connected in parallel by arranging the probe and matching with the PIN point of the lamp strip of the product, so that each MINI/MicroLED can be accurately and individually detected, and the detection quality is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of a signal source enclosure of the present invention;
FIG. 3 is an exploded view of a manual lighting test fixture according to the present invention;
FIG. 4 is a front view of the control panel of the present inventor;
FIG. 5 is a schematic structural view of the crank link lifting mechanism of the present invention;
FIG. 6 is an exploded view of the testing mechanism of the present invention;
FIG. 7 is a schematic block diagram of a signal source enclosure of the present invention;
fig. 8 is a schematic diagram of a circuit in a signal source according to the present invention.
The reference numerals and names in the figures are as follows:
1. a signal source case; 2. manually lighting the test fixture; 3. a circuit wire; 4. a data conductor; 11. a housing; 12. a first transformer; 13. a second transformer; 14. the power supply is complete; 15. a human machine control panel; 16. a first terminal post; 17. SCSI 68pin output port; 18. a heat dissipation fan; 19. a serial port circuit interface; 20. a control circuit board; 21. a jig cover plate; 22. a jig base plate; 23. a crank connecting rod lifting mechanism; 24. a testing mechanism; 25. a connection panel; 26. a second terminal; 27. SCSI 68pin input port; 28. a product cover plate; 29. a hinge; 30. a guide linear bearing; 31. a switch button; 32. a drive button; 33. a stop button; 34. a display screen; 35. a control knob; 36. a VDD port; 37. a SCAN port; 38. a DATA ODD port; 39. a DATA EVEN port; 40. a VSS port; 41. a crank; 42. a first rotating lever; 43. a first drive pulley; 44. a transmission belt; 45. a connecting rod; 46. a second transmission wheel; 47. a lifting platform; 48. a guide bar; 49. a second rotating rod; 51. a needle block fixing plate; 52. a probe block; 53. a pin block pcb; 54. a needle block cover plate; 55. a step portion; 56. a needle block mounting groove; a 57 probe; 198. a first rectifier; 199. a second rectifier; 200. a signal source; 201. a first voltage regulating and stabilizing device; 202. a second voltage regulating and stabilizing device; 203. a feedback circuit group; 204. a first feedback circuit; 205. a second feedback circuit; 206. a signal source output terminal; 207. a current output terminal; 208. a main control MCU; 209. a driving end; 210. a stop end; 211. a serial port circuit; 212. a buffer; 213. and a current output terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a lighting test device for MINI/MicroLED comprises a signal source case 1 and a manual lighting test fixture 2, the signal source case 1 is electrically connected with the manual lightening test fixture 2 through a circuit wire 3 or a data wire 4, the signal source case 1 comprises a case 11, a power supply integral piece 14, a first transformer 12, a second transformer 13, a control circuit board 20 and a man-machine control panel 15, the power supply unit 14, the first transformer 12, the second transformer 13 and the control circuit board 20 are disposed in the housing 11, the man-machine control panel 15 is arranged on the front end face of the machine shell 11, the control circuit board 20 is provided with a signal source 200, the power supply unit 14, the first transformer 12 and the second transformer 14 are electrically connected to the control circuit board 20, the control circuit board 20 is electrically connected with the man-machine control panel 15, and a plurality of first binding posts 16 and SCSI 68pin output ports 17 are arranged on the control panel 15; the manual lighting test fixture 2 comprises a fixture cover plate 21, a fixture bottom plate 22, a crank link lifting mechanism 23, a test mechanism 24 and a connecting panel 25, wherein the fixture cover plate 21 is positioned above the fixture bottom plate 22, the jig cover plate 21 is fixedly connected with the jig base plate 22, a cavity is arranged between the lower end surface of the jig cover plate 21 and the upper end surface of the jig base plate 22, the crank connecting rod lifting mechanism 23 is arranged in the cavity, the testing mechanism 24 is arranged at the rear end part of the upper end surface of the jig cover plate 21, the crank connecting rod lifting mechanism 23 longitudinally penetrates through the jig cover plate 21 and is connected with the testing mechanism 24, the connection panel 25 is disposed between the jig cover plate 21 and the jig base plate 22 on a side away from the testing mechanism 24, the connection panel 25 is electrically connected to the testing mechanism 24, and the connection panel 25 is provided with a plurality of second terminals 26 and SCSI 68pin input ports 27. The lighting test device for the MINI/MicroLED is arranged for a MINI/MicroLED lamp chip with PIN points, and a probe 57 arranged in the test mechanism 24 is connected with the PIN points of the upper MINI/MicroLED lamp chip, so that each MINI/MicroLED on the MINI/MicroLED lamp chip can be independently connected and is independently connected; the signal source 200 is a circuit principle for controlling the MINI/micro led to be turned on.
Specifically, the signal source case 1 and the manual lighting test fixture 2 may be connected to the plurality of first terminals 16 and the plurality of second terminals 26 through the plurality of circuit wires 2, or may be connected to the SCSI 68pin output port 17 and the SCSI 68pin input port 27 through the data wire 4. The two connection modes are parallel connection, one connection mode can be selected at will, and the two connection modes can be connected simultaneously, so that the using modes of the device are increased; can connect simultaneously, can prevent that wherein connected mode from damaging and causing the shut down, reduce production efficiency.
Specifically, signal source machine case 1 includes two heat dissipation fans 18 and serial circuits interface 19, serial circuits interface 19 sets up the one side at casing 11 rear end face, serial circuits interface 19 and control circuit board 20 electric connection, two heat dissipation fans 18 are located casing 11 rear end face symmetry and set up, two heat dissipation fans 18 and control circuit board 20 electric connection. The serial port circuit interface 19 is connected with the serial port circuit 211, and can be connected with a PC (personal computer) terminal through the serial port circuit interface 19 to update or modify a signal source, change a specific signal source 200 through the PC terminal, and be matched with a jig specially manufactured according to the signal source 200 to realize detection in other aspects, such as the aging detection of MINI/MicroLED; because the first transformer 12, the second transformer 13 and the power supply integral part 14 in the signal source case 1 simultaneously step down the voltage, the volume of the signal source case 1 is small, and a large amount of heat is generated in the casing 11, the radiator can radiate the control circuit board 20 in the signal source case 1, so that the signal source case can work stably for a long time, and the service life of the control circuit board 20 is ensured.
Specifically, the last shift knob 31, the drive button 32, the stop button 33, six display screens 34 and six control knobs 35 that cooperate with six display screens 34 and use of the man-machine control panel 15 are included, the shift knob 31, six display screens 34, six control knobs 35, the drive button 32 and the stop button 33 all with control circuit board 20 electric connection. The six display screens 34 respectively correspond to a SCAN L display screen, a DATA ODD L display screen, an DATA EVEN L display screen, a SCAN H display screen, a DATA ODD H display screen and a DATA EVEN H display screen, the six control knobs 35 respectively correspond to a SCAN L control knob, a DATA ODD L control knob, a DATA EVEN L control knob, a SCAN H control knob, a DATA ODD H control knob and a DATAEVEN H control knob, the control knobs 35 can be adjusted to control the output voltage of the signal source 200 in the control circuit board 20, the output voltage is displayed on the corresponding display screens 34 and is output through the corresponding numbered first wiring terminals, and the connecting panel 25 is provided with the corresponding input second wiring terminals 26 and is correspondingly connected with the corresponding input second wiring terminals through circuit wires 3.
Specifically, manual light test fixture 2 includes product apron 28, the product apron sets up on tool apron 21, tool apron 21 up end is equipped with the product standing groove, product apron 28 sets up around the product standing groove, product apron 28 is "U" type, hinge 29 swing joint is passed through with one side of tool apron 21 to one side of product apron 28, the opposite side of product apron 28 is equipped with the handle. The product cover plate 28 is used for pressing the periphery of the product lamp sheet to be fixed in the product placing groove.
Specifically, the crank connecting rod lifting device 23 includes a crank 41, a transmission belt 44, two connecting rods 45 and a lifting platform 47, the crank 41 is disposed outside the cavity, the crank 41 is provided with a first rotating rod 42, the first rotating rod 42 is provided with a first transmission wheel 43, the first transmission wheel 43 is sleeved on the middle portion of the first rotating rod 42, the lower ends of the two connecting rods 45 are fixedly connected through a second connecting rod 49, the second rotating rod 49 is provided with a second transmission wheel 46, the second transmission wheel 46 is sleeved on the middle portion of the second rotating rod 49, the transmission belt 44 is connected with the first transmission wheel 43 and the second transmission wheel 46 in a wrapping manner, the upper ends of the two connecting rods 47 are connected with the lifting platform 47, guide rods 48 are disposed on two sides of the lifting platform 47, one side of the jig cover plate 21 close to the testing mechanism 24 is provided with two guide linear bearings 30 into which the guide rods 48 can be inserted, the two guide rods 48 are inserted into the two, the upper ends of the two guide rods 48 are fixedly connected with the testing mechanism 24. By turning the crank 41 upwards, the lifting platform 47 drives the testing mechanism 24, and the probe of the testing mechanism 24 is in point contact connection with the PIN point of the MINI/MicroLED lamp piece, so that the lighting test is carried out.
Specifically, the testing mechanism includes needle piece fixed plate 51, a plurality of probe piece 52, a plurality of needle piece pcb board 53 and needle piece apron 54, and is a plurality of probe piece 52 is the same with a plurality of needle piece pcb board 53 quantity, be equipped with a plurality of steps 55 on the needle piece fixed plate 51, every two step 55 opposite direction sets up, and is a plurality of probe piece 52 sets up between the step 55 of two opposite direction, and is a plurality of probe piece 52 upper end is equipped with needle piece mounting groove 56, and is a plurality of needle piece pcb board 53 sets up on needle piece mounting groove 56, and this setting does benefit to the installation and the dismantlement replacement maintenance of probe piece 52, needle piece apron 54 lock probe piece 52, needle piece pcb board 53 and needle piece fixed plate 51 fixed connection, and is a plurality of probe piece 52, a plurality of needle piece pcb board 53 are located between needle apron 54 and needle piece fixed plate 51, and are a plurality of one side that probe piece 52 is close to manual lighting test fixture 2 central part is equipped with five and more than five and the probe piece that extends downwards more than five 87, the plurality of pin pcb boards 53 are electrically connected to the connection panel 25, and the plurality of pin pcb boards 53 are electrically connected to the probes 57. The pin block pcb board 53 is used for receiving the signal source 200 transmitted from the connection panel 25 and transmitting the signal source 200 to the MINI/micro led lamp through the probe 57.
Specifically, the control circuit board is provided with a first rectifier 198, a first adjustable voltage stabilizer 201, a second rectifier 199, a second adjustable voltage stabilizer 202, a feedback control circuit group 203, a signal source output end 206, a current output end 213, a main control MCU208, a voltage reduction stabilizer 207 connected with the main control MCU208, a serial circuit 211 and a buffer 212, the main control MCU208 is provided with a driving end 209 and a stopping end 210, the signal source 200 is arranged in the main control MCU208, the first rectifier 198 is electrically connected with the first adjustable voltage stabilizer 201, the second rectifier 199 is connected with the second adjustable voltage stabilizer 202, the first adjustable voltage stabilizer 201 and the second adjustable voltage stabilizer 202 are both connected with the feedback control circuit group 203, the feedback control circuit group 203 comprises a first feedback control circuit 204 and a second feedback control circuit 205, the first adjustable voltage stabilizer 201 is connected with the first feedback control circuit 204, the second adjustable voltage regulator 202 is connected with a second feedback control circuit 205, the buffer 212 is connected with a feedback control circuit group 203, the feedback control circuit group 203 is connected with a signal source output end 206, and the signal source output end 206 and the current output end 207 can be output through a plurality of first terminals 16 or output through a SCSI 68pin output port 17. The input current is changed into high-voltage direct current by a first rectifier 198 and a second rectifier 199 and is output to a first adjustable voltage stabilizer 201 and a second adjustable voltage stabilizer 202, the first adjustable voltage stabilizer 201 and the second adjustable voltage stabilizer 202 reduce and stabilize the current and then input the current to a feedback control circuit group 203, the first control circuit group respectively corresponds to a SCAN L display screen and a SCAN L control knob, a DATA ODD L display screen and a DATA ODD L control knob, and DATAEVEN L display screen and DATA EVEN L control knob, the second control circuit group respectively corresponds to a SCAN H display screen and a SCAN H control knob, a DATA ODD H display screen and a DATA ODD H control knob, and a DATA EVEN H display screen and a DATAEVEN H control knob, the output voltage suitable for a product is adjusted by rotating the DATA obtained by the control knob 35 and the display screen 34, the driving end 209 is connected with a driving button 32, the stop end 210 is connected to the stop button 33, and at this time, the button 32 is electrically driven, the signal source 200 is buffered and transmitted to the feedback circuit group 203 through the buffer 212, and the output voltage of the feedback circuit group 203 drives the signal source 200 to reach the signal source output end 206.
Specifically, the plurality of first terminals 16 includes a VSS port 40, a VDD port 36, a SCAN port 37, a DATA ODD port 38, and a DATA EVEN port 39, the signal source output terminal 206 is output through the SCAN port 37, the DATA ODD port 38, and the DATA EVEN port 39, and the current output terminal 207 is output through the VSS port 40 and the VDD port 36. The signal source 200 is divided into three signal outputs of SCAN (L/H), DATA ODD (L/H) and DATA EVEN (L/H).
Specifically, the first rectifier 198 is electrically connected to the first transformer 12, the second rectifier 199 is electrically connected to the second transformer 13, and the step-down voltage regulator 207 is electrically connected to the power supply unit 14. The first transformer 12 can reduce the input voltage to 18V, the second transformer 13 can reduce the input voltage to 15V, the power supply unit 14 reduces the input voltage to 24V, the power supply unit 14 reduces the voltage to 3.3V through two ICs of the step-down voltage regulator, and the 3.3V voltage is used by the main control MCU.
The working principle is as follows: when the invention is used, a signal source case 1 is electrically connected with a manual lighting test fixture 2, then the signal source case 1 is connected with a power supply, a switch button 31 is turned on, the power supply is connected with a first transformer 12, a second transformer 13 and a current integral piece 14, the first transformer 12 reduces the voltage to 18V, the voltage is rectified into high-voltage direct current through a first rectifier 198, the high-voltage direct current is stabilized and output to a feedback circuit group 203 through a first regulating voltage stabilizer 201, the voltage is reduced to 15V through the second transformer 13, the high-voltage direct current is rectified into high-voltage direct current through a first 199, the high-voltage direct current is stabilized and output to the feedback circuit group 203 through a second regulating voltage stabilizer 202, the output voltage is modulated into voltage suitable for product lighting detection through rotating a rotary button 35 and according to the data of a corresponding display screen, at the moment, a button 32 is electrically driven, a signal source 200 in a main control MCU208 is output to a buffer, the signal source 200 is buffered and output to the feedback circuit group 203 through the buffer 212, the output voltage of the feedback circuit group 203 drives the signal source 200 to reach the signal source output end 206, the current output end 213 is connected with the manual lighting test fixture 2 and provides working power for the manual lighting test fixture, the signal source output end 206 is connected with the manual lighting test fixture 2 and transmits data of the signal source 200 to the manual lighting test fixture, the product cover plate 28 is turned over, the MINI/MicroLED lamp piece is placed in the product placing groove, the product cover plate 28 is turned over to be tightly pressed on the MINI/MicroLED lamp piece, the crank 41 is turned over upwards, the lifting platform 47 drives the test mechanism 24, the probe 57 of the test structure 24 is in point contact connection with the MINI/MicroLED lamp piece, the data of the signal source 200 is transmitted to the PIN block pcb board 53 through the connecting panel 25, the PIN block pcb board 53 transmits the data of the signal source 200 to the MINI/MicroLED lamp piece through the contact connection of the probe 57 and the PIN point, the data of the signal source 200 instructs, it is detected.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a MINI/MicroLED's testing arrangement that lights, includes signal source machine case (1) and manual lighting test fixture (2), signal source machine case (1) and manual lighting test fixture (2) pass through circuit wire (3) or data wire (4) electric connection, its characterized in that: the signal source case (1) comprises a case (11), a power supply integral piece (14), a first transformer (12), a second transformer (13), a control circuit board (20) and a man-machine control panel (15), wherein the power supply integral piece (14), the first transformer (12), the second transformer (13) and the control circuit board (20) are arranged in the case (11), the man-machine control panel (15) is arranged on the front end face of the case (11), the control circuit board (20) is provided with a signal source (200), the power supply integral piece (14), the first transformer (12) and the second transformer (14) are electrically connected with the control circuit board (20), the control circuit board (20) is electrically connected with the man-machine control panel (15), and the control panel (15) is provided with a plurality of first binding posts (16) and SCSI 68pin output ports (17); the manual lightening test fixture (2) comprises a fixture cover plate (21), a fixture bottom plate (22), a crank connecting rod lifting mechanism (23), a test mechanism (24) and a connecting panel (25), wherein the fixture cover plate (21) is positioned above the fixture bottom plate (22), the fixture cover plate (21) is fixedly connected with the fixture bottom plate (22), a cavity is formed between the lower end surface of the fixture cover plate (21) and the upper end surface of the fixture bottom plate (22), the crank connecting rod lifting mechanism (23) is arranged in the cavity, the test mechanism (24) is arranged at the rear end part of the upper end surface of the fixture cover plate (21), the crank connecting rod lifting mechanism (23) longitudinally penetrates through the fixture cover plate (21) to be connected with the test mechanism (24), and the connecting panel (25) is arranged at one side, far away from the test mechanism (24), between the fixture cover plate (21) and the fixture bottom plate (22), the connection panel (25) is electrically connected with the testing mechanism (24), and the connection panel (25) is provided with a plurality of second binding posts (26) and a SCSI 68pin input port (27); the signal source case (1) and the manual lighting test fixture (2) can be connected with a plurality of first binding posts (16) and a plurality of second binding posts (26) through a plurality of circuit wires (3), or can be connected with a SCSI 68pin output port (17) and a SCSI 68pin input port (27) through a data wire (4).
2. The lighting test device of MINI/micro led according to claim 1, wherein: signal source machine case (1) includes two heat dissipation fans (18) and serial circuits interface (19), serial circuits interface (19) set up the one side at casing (11) rear end face, serial circuits interface (19) and control circuit board (20) electric connection, two heat dissipation fan (18) are located casing (11) rear end face symmetry and set up, two heat dissipation fan (18) and control circuit board (20) electric connection.
3. The lighting test device of MINI/micro led according to claim 1, wherein: including shift knob (31), drive button (32), stop button (33), six display screens (34) and with six control knob (35) that display screen (34) cooperation was used on human-computer control panel (15), shift knob (31), six display screens (34), six control knob (35), drive button (32) and stop button (33) all with control circuit board (20) electric connection.
4. The lighting test device of MINI/micro led according to claim 1, wherein: manual lighting test fixture (2) is including product apron (28), the product apron sets up on tool apron (21), tool apron (21) up end is equipped with the product standing groove, product apron (28) set up around the product standing groove, product apron (28) are "U" type, hinge (29) swing joint is passed through with one side of tool apron (21) to one side of product apron (28), the opposite side of product apron (28) is equipped with the handle.
5. The lighting test device of MINI/micro led according to claim 1, wherein: the crank connecting rod lifting device (23) comprises a crank (41), a transmission belt (44), two connecting rods (45) and a lifting platform (47), the crank (41) is arranged outside the cavity, the crank (41) is provided with a first rotating rod (42), the first rotating rod (42) is provided with a first transmission wheel (43), the first transmission wheel (43) is sleeved at the middle part of the first rotating rod (42), the lower ends of the two connecting rods (45) are fixedly connected through a second connecting rod (49), the second rotating rod (49) is provided with a second transmission wheel (46), the second transmission wheel (46) is sleeved at the middle part of the second rotating rod (49), the transmission belt (44) is connected with the first transmission wheel (43) and the second transmission wheel (46) in a wrapping manner, the upper ends of the two connecting rods (47) are connected with the lifting platform (47), guide rods (48) are arranged on two sides of the lifting platform (47), one side of the jig cover plate (21) close to the testing mechanism (24) is provided with two guiding linear bearings (30) for inserting of the guide rod (48), the two guiding linear bearings (30) are inserted into the guide rod (48), and the upper end of the guide rod (48) is fixedly connected with the testing mechanism (24).
6. The lighting test device of MINI/micro led according to claim 1, wherein: the testing mechanism comprises a needle block fixing plate (51), a plurality of probe blocks (52), a plurality of needle block pcb boards (53) and a needle block cover plate (54), the number of the probe blocks (52) is the same as that of the needle block pcb boards (53), a plurality of step parts (55) are arranged on the needle block fixing plate (51), every two step parts (55) are arranged in the opposite direction, the plurality of probe blocks (52) are arranged between the step parts (55) in the two opposite directions, a needle block mounting groove (56) is arranged at the upper end of each probe block (52), the plurality of needle block pcb boards (53) are arranged on the needle block mounting groove (56), the needle block cover plate (54) is fixedly connected with the probe blocks (52) and the needle block pcb boards (53), and the plurality of probe blocks (52) and the plurality of needle block pcb boards (53) are positioned between the needle block cover plate (54) and the needle block fixing plate (51), a plurality of probe blocks (52) are provided with five or more downward extending probes (57) on one side close to the central part of the manual lighting test fixture (2), the probe blocks pcb (53) are electrically connected with the connecting panel (25), and the probe blocks pcb (53) are electrically connected with the probes (57).
7. The lighting test device of MINI/MicroLED according to any one of claims 1 to 3, wherein: the control circuit board is provided with a first rectifier (198), a first adjustable voltage stabilizer (201), a second rectifier (199), a second adjustable voltage stabilizer (202), a feedback control circuit group (203), a signal source output end (206), a current output end (213), a main control MCU (208), a voltage reduction stabilizer (207) connected with the main control MCU (208), a serial circuit (211) and a buffer (212), the main control MCU (208) is provided with a driving end (209) and a stopping end (210), the signal source (200) is arranged in the main control MCU (208), the first rectifier (198) is electrically connected with the first adjustable voltage stabilizer (201), the second rectifier (199) is connected with the second adjustable voltage stabilizer (202), and the first adjustable voltage stabilizer (201) and the second adjustable voltage stabilizer (202) are both connected with the feedback control circuit group (203), feedback control circuit group (203) includes first feedback control circuit (204) and second feedback control circuit (205), first adjustable regulator (201) is connected with first feedback control circuit (204), second adjustable regulator (202) is connected with second feedback control circuit (205), buffer (212) are connected with feedback control circuit group (203), feedback control circuit group (203) is connected with signal source output (206), current output (207) accessible a plurality of first terminal (16) output, perhaps export through SCSI 68pin output port (17).
8. The lighting test device of MINI/micro led according to claim 7, wherein: the plurality of first terminals (16) include a VSS port (40), a VDD port (36), a SCAN port (37), a DATA ODD port (38) and a DATA EVEN port (39), the signal source output terminal (206) is output through the SCAN port (37), the DATA ODD port (38) and the DATA EVEN port (39), and the current output terminal (207) is output through the VSS port (40) and the VDD port (36).
9. The lighting test device of MINI/micro led according to claim 7, wherein: the first rectifier (198) is electrically connected with the first transformer (12), the second rectifier (199) is electrically connected with the second transformer (13), and the step-down voltage stabilizer (207) is electrically connected with the power supply unit (14).
CN201911322616.XA 2019-12-20 2019-12-20 MINI/MicroLED's lighting test device Pending CN110780222A (en)

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CN114019405A (en) * 2021-07-15 2022-02-08 重庆康佳光电技术研究院有限公司 Lighting test device, method and system
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