Gypsophila Light Board Test System

Abstract

The invention relates to the technical field of starry sky lamp board testing, and in particular to a starry sky lamp board testing system, which solves the shortcomings existing in the prior art and comprises a frame, the top of the frame is fixed to a casing by bolts, the casing is provided with a testing cavity, a bearing plate is fixed on the bottom wall of the testing cavity, a cylinder is fixedly installed inside the casing, a piston rod is provided inside the cylinder, the end of the piston rod is fixed with a connecting plate by nuts and bolts, a plurality of connecting columns are fixed with screws at the bottom of the connecting plate, and the bottoms of the plurality of connecting columns are fixed with the testing plate by screws, and through the arrangement of structures such as a rotating rod, a rotating seat, a correction block and a push rod, when the cylinder drives the testing plate to move downward, the rotating rods on both sides will contact with the push rods on the bearing plate, and under the action of the push rods, the correction blocks on both sides are rotated to automatically correct the position of the lamp board, thereby improving work efficiency and ensuring the accuracy of the test results.

Description

Technical Field

[0001] The invention relates to the technical field of testing a gypsophila lamp board, and in particular to a gypsophila lamp board testing system. Background Art

[0002] LED products are increasingly widely used, and the quality requirements for them are also getting higher and higher. The high temperature tolerance of LED products often affects the quality of LED products. Therefore, LED products need to be subjected to high temperature aging tests under power-on to determine whether the LED products are qualified.

[0003] Traditional equipment used for testing baby's breath light boards has the following defects: First, the position of the light board will be offset during the test, and manual adjustment is not only inefficient but also has low precision, resulting in inaccurate test results; second, due to the cylinder drive, the position of the test board cannot be accurately controlled for panels of different thicknesses, which can easily lead to product damage; third, the test systems on the market have a single function and cannot meet a variety of testing needs. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings in the prior art and to propose a starry sky light board testing system.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] The starry sky light board test system comprises a frame, the top of the frame is fixed with a casing by bolts, a test cavity is arranged on the casing, a bearing plate is fixed on the bottom wall of the test cavity, a cylinder is fixedly installed inside the casing, a piston rod is arranged inside the cylinder, a connecting plate is fixed at the end of the piston rod by nuts and bolts, a plurality of connecting columns are fixed at the bottom of the connecting plate by screws, a test board is fixed at the bottom of the plurality of connecting columns by screws, grooves are provided on both sides of the test board, a rotating seat is movably hinged inside the groove, a slide rod is slidably arranged inside the rotating seat, and a correction block is fixed at the end of the slide rod by screws;

[0007] A bracket is fixed on the test plate, a rotating rod is movably connected to the bracket via a pin, and a transmission assembly is arranged between the rotating rod and the rotating seat;

[0008] The top of the bearing plate is fixed with symmetrically arranged top rods by screws. When the test plate moves downward, the top rods push the rotating rods to rotate. After the rotating rods rotate, the transmission assembly drives the rotating seat to rotate around its fulcrum inside the groove to achieve the function of correcting the position of the lamp board.

[0009] Preferably, a tubular and symmetrically arranged adjusting tube is fixed to the top of the supporting plate by screws, an adjusting rod is provided inside the adjusting tube, the adjusting rod includes a fixedly connected threaded rod and a sliding rod, an adjusting nut is rotatably arranged inside the adjusting tube, the threaded rod is threadedly connected to the adjusting nut, a connecting rod is fixed to the bottom of the adjusting nut, a worm gear is fixed to the other end of the connecting rod, a worm gear is meshingly connected to the worm gear, and the worm gear is rotatably arranged on one side of the supporting plate.

[0010] Preferably, a positioning block is welded on the top of the adjusting rod, and a positioning groove matching the positioning block is formed on the bottom of the connecting plate.

[0011] Preferably, an integrally formed and symmetrically arranged mounting plate is provided on one side of the bearing plate, the worm is mounted between the two mounting plates via a bearing, a rectangular groove is provided inside the bearing plate, and the worm wheel passes through the inside of the rectangular groove.

[0012] Preferably, the transmission assembly includes a linkage rod, a pressure rod and a slider, the two ends of the linkage rod are respectively movably hinged to the rotating rod and the pressure rod, the pressure rod is slidably installed on the bracket, the other end of the pressure rod is movably hinged to the slider, and the slider is slidably set on the top of the rotating seat.

[0013] Preferably, a dovetail groove is provided on the top of the rotating seat, and the sliding block is slidably connected to the dovetail groove.

[0014] Preferably, a slide groove is provided inside the rotating seat, the slide rod is slidably connected to the slide groove, one end of the slide rod is fixedly connected to a spring via a buckle, and the other end of the spring is fixedly connected to the inner wall of the slide groove.

[0015] Preferably, a push button is provided on the frame, and the push button is electrically connected to the cylinder.

[0016] Preferably, it also includes a 64CH interface circuit, an MCU main control circuit, a communication circuit, a scan logic drive circuit and a scan logic execution circuit which are connected in sequence.

[0017] Preferably, the 64CH interface circuit, MCU main control circuit, communication circuit, scan logic drive circuit and scan logic execution circuit constitute a test module, and the test module is provided with 16 groups.

[0018] The beneficial effects of the present invention are:

[0019] 1. In the present invention, by setting structures such as a rotating rod, a rotating seat, a correction block and a push rod, when the cylinder drives the test plate to move downward, the rotating rods on both sides will contact the push rods on the bearing plate. Under the action of the push rods, the correction blocks on both sides rotate to automatically correct the position of the light board, thereby improving work efficiency and ensuring accurate test results.

[0020] 2. In the present invention, by setting structures such as the adjusting tube, the adjusting rod, the positioning block and the positioning groove, according to the different thicknesses of the lamp panels, the personnel can rotate the worm to adjust the height of the adjusting rod, thereby adjusting the lowering limit position of the connecting plate to avoid excessive movement of the cylinder and ensure that the lamp panel will not be damaged.

[0021] 3. The present invention adopts 64CH interface circuit, MCU main control circuit, communication circuit, scan logic drive circuit and scan logic execution circuit to form 16 groups of test modules, forming 16 test channels, supporting 16 LEDs to do TOV test at the same time, the output voltage automatically follows the product output, no manual setting is required, the output current range is computer program controlled, all channels are adjusted synchronously, powerful functions and high test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the starry sky light board testing system proposed by the present invention;

[0023] Figure 2 This is a front view of the starry sky light board testing system proposed by the present invention;

[0024] Figure 3 A front view of the test board and the load-bearing board provided by the present invention;

[0025] Figure 4 This is an enlarged view of the position marked A of the starry sky light board testing system proposed by the present invention;

[0026] Figure 5 This is an enlarged view of the position marked B of the starry sky light board test system proposed by the present invention;

[0027] Figure 6 This is a schematic diagram of the 64CH interface circuit of the starry sky light board test system proposed by the present invention;

[0028] Figure 7 This is a schematic diagram of the MCU main control circuit of the starry sky light board test system proposed by the present invention;

[0029] Figure 8 A schematic diagram of the communication circuit of the starry sky light board test system proposed by the present invention;

[0030] Fig. 9 A schematic diagram of a scanning logic driving circuit of the starry sky light board test system proposed by the present invention;

[0031] Fig.10 This is a schematic diagram of the scanning logic execution circuit of the starry sky light board test system proposed by the present invention.

[0032] In the figure: 1 frame, 2 housing, 201 test chamber, 3 piston rod, 4 connecting plate, 41 positioning groove, 5 test plate, 51 groove, 6 bearing plate, 61 rectangular groove, 62 worm gear, 7 push button, 8 connecting column, 9 push rod, 10 adjustment tube, 11 adjustment rod, 12 positioning block, 13 mounting plate, 14 worm, 15 rotating rod, 16 bracket, 17 linkage rod, 18 pressure rod, 19 rotating seat, 20 slide rod, 21 correction block, 22 slide groove, 23 slider, 24 spring. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] Reference Figure 1-10 The starry sky light board test system includes a frame 1, a housing 2 is fixed on the top of the frame 1 by bolts, a test chamber 201 is arranged on the housing 2, a bearing plate 6 is fixed on the bottom wall of the test chamber 201, a cylinder is fixedly installed inside the housing 2, a piston rod 3 is arranged inside the cylinder, a connecting plate 4 is fixed at the end of the piston rod 3 by nuts and bolts, a plurality of connecting columns 8 are fixed at the bottom of the connecting plate 4 by screws, a test plate 5 is fixed at the bottom of the plurality of connecting columns 8 by screws, grooves 51 are provided on both sides of the test plate 5, and a rotating seat 1 is movably hinged inside the groove 51 9, a sliding rod 20 is slidably provided inside the rotating seat 19, and a correction block 21 is fixed to the end of the sliding rod 20 by screws; a bracket 16 is fixed on the test board 5, and a rotating rod 15 is movably connected to the bracket 16 by a pin shaft, and a transmission assembly is provided between the rotating rod 15 and the rotating seat 19; a symmetrically arranged top rod 9 is fixed to the top of the bearing plate 6 by screws, and when the test board 5 moves downward, the top rod 9 pushes the rotating rod 15 to rotate, and after the rotating rod 15 rotates, the rotating seat 19 is driven by the transmission assembly to rotate around its fulcrum inside the groove 51 to achieve the function of correcting the position of the lamp board.

[0035] Among them, through the arrangement of structures such as the rotating rod 15, the rotating seat 19, the correction block 21 and the push rod 9, when the cylinder drives the test board 5 to move downward, the rotating rods 15 on both sides will contact the push rods 9 on the bearing plate 6. Under the action of the push rod 9, the correction blocks 21 on both sides rotate to automatically correct the position of the light board, thereby improving work efficiency and ensuring the accuracy of the test results. Through the arrangement of structures such as the adjusting tube 10, the adjusting rod 11, the positioning block 12 and the positioning groove 41, according to the light boards of different thicknesses, personnel can rotate the worm 14 to adjust the height of the adjusting rod 11, thereby adjusting the descending limit position of the connecting plate 4, avoiding excessive movement of the cylinder, and ensuring that the light board will not be damaged. 64CH interface circuit, MCU main control circuit, communication circuit, scanning logic drive circuit and scanning logic execution circuit are used to form 16 groups of test modules to form 16 test channels, supporting 16 LEDs to do TOV test at the same time, and the output voltage automatically follows the product output without manual setting. The output current range is computer program-controlled, and all channels are adjusted synchronously. It has powerful functions and high test efficiency.

[0036] A tubular and symmetrically arranged adjusting tube 10 is fixed to the top of the supporting plate 6 by screws, and an adjusting rod 11 is provided inside the adjusting tube 10. The adjusting rod 11 includes a fixedly connected threaded rod and a sliding rod. An adjusting nut is rotatably arranged inside the adjusting tube 10, and the threaded rod is threadedly connected to the adjusting nut. A connecting rod is fixed to the bottom of the adjusting nut, and a worm gear 62 is fixed to the other end of the connecting rod. The worm gear 62 is meshedly connected to a worm 14, and the worm 14 is rotatably arranged on one side of the supporting plate 6.

[0037] A positioning block 12 is welded to the top of the adjusting rod 11 , and a positioning groove 41 matching the positioning block 12 is formed at the bottom of the connecting plate 4 .

[0038] An integrally formed and symmetrically arranged mounting plate 13 is provided on one side of the bearing plate 6 . The worm 14 is installed between the two mounting plates 13 via a bearing. A rectangular groove 61 is provided inside the bearing plate 6 , and the worm wheel 62 passes through the inside of the rectangular groove 61 .

[0039] The transmission assembly includes a linkage rod 17, a pressure rod 18 and a slider 23. The two ends of the linkage rod 17 are respectively hinged to the rotating rod 15 and the pressure rod 18. The pressure rod 18 is slidably installed on the bracket 16. The other end of the pressure rod 18 is hinged to the slider 23. The slider 23 is slidably set on the top of the rotating seat 19.

[0040] A dovetail groove is provided on the top of the rotating seat 19, and the sliding block 23 is slidably connected to the dovetail groove.

[0041] A slide groove 22 is provided inside the rotating seat 19 , and a slide rod 20 is slidably connected to the slide groove 22 . One end of the slide rod 20 is fixedly connected to a spring 24 via a buckle, and the other end of the spring 24 is fixedly connected to the inner wall of the slide groove 22 .

[0042] A push button 7 is provided on the frame 1, and the push button 7 is electrically connected to the cylinder.

[0043] It also includes a 64CH interface circuit, an MCU main control circuit, a communication circuit, a scanning logic driving circuit and a scanning logic execution circuit which are connected in sequence.

[0044] The test module is composed of a 64CH interface circuit, an MCU main control circuit, a communication circuit, a scan logic drive circuit and a scan logic execution circuit. The test module is provided with 16 groups.

[0045] In this embodiment, during the test, the device is powered on and supplied with gas, the test software is opened, the user logs in to edit the model test items and parameters, the product is placed on the carrier plate 6, and then the two buttons 7 are operated to activate the cylinder, and the piston rod 3 of the cylinder pushes the connecting plate 4, the connecting column 8 and the test plate 5 to move downward;

[0046] Furthermore, when the test board 5 moves to a certain position, the rotating rod 15 contacts the top rod 9, and the rotating rod 15 rotates under the push of the top rod 9, and the rotating rod 15 drives the linkage rod 17 to rotate, and the linkage rod 17 pushes the pressure rod 18 to slide downward along the bracket 16, and the pressure rod 18 pushes the slider 23 to slide, and the slider 23 pushes the rotating seat 19 to rotate. When the rotating seat 19 rotates with the slide rod 20 and the correction block 21, the correction block 21 can push the lamp board on the carrier plate 6, and the placement position of the lamp board can be corrected. When the correction is completed, the correction block 21 is in a vertical state. After the test board 6 continues to move downward, the rotating seat 19 slides along the slide rod 20, and the mechanisms will not get stuck.

[0047] In addition, when the test plate 5 presses the product, the positioning block 12 is embedded in the positioning groove 41 to limit the position of the connecting plate 4, the connecting column 8 and the test plate 5 without damaging the product. According to the different thicknesses of the products, personnel can rotate the worm 14, and the worm 14 drives the worm wheel 62 to drive the connecting rod and the adjusting nut to rotate. The adjusting nut acts on the threaded rod to move, and the sliding part of the adjusting rod slides along the adjusting tube 10, thereby driving the positioning block 12 to move and change the limit position.

[0048] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A starry sky light board testing system, comprising a frame (1), characterized in that: The top of the frame (1) is fixed with a casing (2) by bolts, a test cavity (201) is provided on the casing (2), a bearing plate (6) is fixed on the bottom wall of the test cavity (201), a cylinder is fixedly installed inside the casing (2), a piston rod (3) is provided inside the cylinder, a connecting plate (4) is fixed at the end of the piston rod (3) by nuts and bolts, a plurality of connecting columns (8) are fixed at the bottom of the connecting plate (4) by screws, a test plate (5) is fixed at the bottom of the plurality of connecting columns (8) by screws, grooves (51) are provided on both sides of the test plate (5), a rotating seat (19) is movably hinged inside the groove (51), a sliding rod (20) is slidably provided inside the rotating seat (19), and a correction block (21) is fixed at the end of the sliding rod (20) by screws; A bracket (16) is fixed on the test plate (5), a rotating rod (15) is movably connected to the bracket (16) via a pin, and a transmission assembly is provided between the rotating rod (15) and the rotating seat (19); A symmetrically arranged push rod (9) is fixed to the top of the bearing plate (6) by screws. When the test plate (5) moves downward, the push rod (9) pushes the rotating rod (15) to rotate. After the rotating rod (15) rotates, the rotating seat (19) is driven by the transmission assembly to rotate around the fulcrum inside the groove (51) to achieve the function of correcting the position of the light board. A tubular and symmetrically arranged adjusting tube (10) is fixed to the top of the bearing plate (6) by screws, an adjusting rod (11) is movably sleeved inside the adjusting tube (10), the adjusting rod (11) comprises a threaded rod and a sliding rod that are fixedly connected, an adjusting nut is rotatably arranged inside the adjusting tube (10), the threaded rod is threadedly connected to the adjusting nut, a connecting rod is fixed to the bottom of the adjusting nut, a worm wheel (62) is fixed to the other end of the connecting rod, a worm (14) is meshingly connected to the worm wheel (62), and the worm (14) is rotatably arranged on one side of the bearing plate (6); An integrally formed and symmetrically arranged mounting plate (13) is provided on one side of the bearing plate (6); the worm (14) is mounted between the two mounting plates (13) via a bearing; a rectangular groove (61) is provided inside the bearing plate (6); and the worm wheel (62) passes through the inside of the rectangular groove (61); The transmission assembly comprises a linkage rod (17), a pressure rod (18) and a slider (23), the two ends of the linkage rod (17) are respectively movably hinged to the rotating rod (15) and the pressure rod (18), the pressure rod (18) is slidably mounted on the bracket (16), the other end of the pressure rod (18) is movably hinged to the slider (23), and the slider (23) is slidably mounted on the top of the rotating seat (19); Wherein, a dovetail groove is provided on the top of the rotating seat (19), and the sliding block (23) is slidably connected to the dovetail groove; A slide groove (22) is provided inside the rotating seat (19), and the slide rod (20) is slidably connected to the slide groove (22). One end of the slide rod (20) is fixedly connected to a spring (24) via a buckle, and the other end of the spring (24) is fixedly connected to the inner wall of the slide groove (22).

2. The starry sky light board testing system according to claim 1, characterized in that: A positioning block (12) is welded to the top of the adjusting rod (11), and a positioning groove (41) matching the positioning block (12) is formed at the bottom of the connecting plate (4).

3. The starry sky light board testing system according to claim 1, characterized in that: The frame (1) is provided with a push button (7), and the push button (7) is electrically connected to the cylinder.

4. The starry sky light board testing system according to claim 1, characterized in that: It also includes a 64CH interface circuit, an MCU main control circuit, a communication circuit, a scanning logic driving circuit and a scanning logic execution circuit which are connected in sequence.

5. The starry sky light board testing system according to claim 4, characterized in that: The 64CH interface circuit, MCU main control circuit, communication circuit, scan logic drive circuit and scan logic execution circuit constitute a test module, and the test module is provided with 16 groups.

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