Specific full-color LED lamp bead packaging plate test fixture

Abstract

The utility model discloses a specific full-color LED lamp bead packaging plate test fixture, the test fixture is composed of a fixture plate, a contact carrier, a pressure plate and a PCB adapter plate, the middle of the fixture plate is provided with an installation groove used for installing a lamp bead plate to be detected, the installation groove is internally provided with a glass plate, the lamp bead plate is installed above the glass plate, and the PCB adapter plate is installed above the glass plate. The contact carrier is composed of a pressing handle, an installation connecting plate, an upper cover plate and a lower supporting plate, the pressing handle and the installation connecting plate are integrally formed, first reamed hole bolts are installed on the two sides of the installation connecting plate, the bottoms of the first reamed hole bolts are connected with the jig plate, and the PCB adapter plate is fixedly installed on the installation connecting plate through the upper cover plate. According to the utility model, photoelectric performance detection is carried out on a whole board of lamp beads with existing specifications, and 26 lamp beads in a whole row are lightened at the same time, so that the technical problems of low detection efficiency, non-uniform lamp bead lightening and short service life of a board test fixture in the prior art are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lamp bead sorting, in particular to a specific full-color LED lamp bead packaging board testing fixture. Background Art

[0002] With the development of LED technology, the application of LED lamp beads is becoming more and more extensive, and the quality and performance requirements of LED products are also getting higher and higher. In the existing LED sorting process, the whole board of LED lamp beads is first cut into single beads, and then the photoelectric characteristics of each LED lamp bead are tested based on the spectrometer. Finally, they are graded one by one according to the photoelectric characteristics to complete the LED sorting. In this way, only a single LED lamp bead can be sorted at a time. With the continuous expansion of the small-pitch LED market, the trend of miniaturization of LED lamp beads is unstoppable. The process method of cutting first and then sorting one by one seriously restricts the improvement of LED industry production capacity. In addition, traditional test fixtures have problems such as uneven lighting and short life, which need to be continuously improved and optimized. Utility Model Content

[0003] The purpose of the utility model is to provide a method to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a specific full-color LED lamp bead package board test jig, the test jig is composed of a jig plate, a contact carrier, a pressure plate and a PCB adapter plate, a mounting groove for installing the lamp bead board to be tested is arranged in the middle of the jig plate, a glass plate is installed inside the mounting groove, and the lamp bead board is installed above the glass plate, the contact carrier is composed of a pressing handle, an installation connecting plate, an upper cover plate and a lower support plate, the pressing handle and the installation connecting plate are integrally formed, a first hinge hole bolt is installed on both sides of the installation connecting plate, the bottom of the first hinge hole bolt is connected to the jig plate, the PCB adapter plate is fixedly installed on the installation connecting plate through the upper cover plate, the lower support plate is located below the upper cover plate, 26 contacts are arranged in the middle of the PCB adapter plate, 13 rows of sockets, four positioning holes and four fixing holes are arranged on both sides, the pressure plate is installed above the jig plate, and the two sides of the pressure plate are connected to the jig plate through the second hinge hole bolt.

[0005] Preferably, the upper cover plate is provided with a groove for installing the PCB adapter plate, the lower support plate is fixedly installed on the bottom of the upper cover plate by bolts, and a probe is installed in the middle of the lower support plate.

[0006] Preferably, the upper part of the probe passes through the upper cover plate and contacts the contact point on the PCB adapter plate, and the lower part of the probe passes through the lower support plate and contacts the lamp bead pin on the lamp bead board.

[0007] Preferably, holes for installing second hole-making bolts are opened on both sides of the pressure plate, and the second hole-making bolts pass through the pressure plate and are connected to both sides of the fixture plate. Two pressure blocks extend from the bottom of the pressure plate, and the bottoms of the pressure blocks are in contact with both sides of the lamp bead plate.

[0008] Preferably, springs are installed on the first hole-making bolt and the second hole-making bolt, the bottom of the hole-making bolt is threaded, and the middle part is a pin.

[0009] Preferably, the lamp beads on the lamp bead board have four pins, and the four pins on each lamp bead are in contact with four feelers on the probe respectively.

[0010] Preferably, the lamp bead board is 144.0 mm long and 75.0 mm wide, and each row of the lamp bead board has 26 lamp beads, which are distributed on both sides of the lamp bead board, with 13 lamp beads on each side.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model performs photoelectric performance testing on a whole board of lamp beads with existing specifications, and realizes the simultaneous lighting of a whole row of 26 lamp beads, so as to solve the technical problems of low detection efficiency, uneven lighting of lamp beads, and short service life of board test fixtures in the prior art.

[0013] 2. Aiming at the problem of uneven lighting of lamp beads, the utility model adopts a contact-type lighting method according to the distance between the pins of LED lamp beads in the existing LED lamp bead board, and designs a specific PCB adapter board for lighting the entire row of LEDs, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the contact carrier structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the PCB adapter board of the utility model.

[0017] In the figure: 1. fixture plate; 2. contact carrier; 3. pressure plate; 4. PCB adapter plate; 5. lamp bead plate; 6. glass plate; 7. pressing handle; 8. installation connecting plate; 9. upper cover plate; 10. lower support plate; 11. first hinge hole bolt; 12. second hinge hole bolt; 13. probe; 14. pressure block; 15. socket; 16. contact. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model provides a specific technical solution for a full-color LED lamp bead package board test fixture: the test fixture is composed of a fixture plate 1, a contact carrier 2, a pressure plate 3 and a PCB adapter plate 4. A mounting groove for mounting a lamp bead board 5 to be tested is arranged in the middle of the fixture plate 1. The fixture plate 1 is used to place the lamp bead board 5 to be tested, and the lamp bead board 5 is fixed in cooperation with the pressure plate 3. Specific holes are arranged on both sides of the concave side of the fixture plate 1, and the contact carrier 2 is used for positioning. A glass plate 6 is installed inside the mounting groove, and a lamp bead board 5 is installed above the glass plate 6. The contact carrier 2 is used to fix and install the lighting contacts and the positioning of the lamp beads. The contact carrier 2 is pressed by The PCB adapter plate 4 is composed of a handle 7, an installation connecting plate 8, an upper cover plate 9 and a lower support plate 10. The pressing handle 7 is integrally formed with the installation connecting plate 8. First hinged hole bolts 11 are installed on both sides of the installation connecting plate 8. The bottom of the first hinged hole bolts 11 is connected to the fixture plate 1. The PCB adapter plate 4 is fixedly installed on the installation connecting plate 8 through the upper cover plate 9. The lower support plate 10 is located below the upper cover plate 9. 26 contacts 16 are set in the middle of the PCB adapter plate 4, 13 rows of sockets 15 on both sides, four positioning holes and four fixing holes. The pressing plate 3 is installed above the fixture plate 1, and the two sides of the pressing plate 3 are connected to the fixture plate 1 through second hinged hole bolts 12.

[0020] The upper cover plate 9 of the utility model is provided with a groove for installing the PCB adapter plate 4 , the lower support plate 10 is fixedly installed on the bottom of the upper cover plate 9 by bolts, and a probe 13 is installed in the middle of the lower support plate 10 .

[0021] The upper part of the probe 13 passes through the upper cover plate 9 and contacts the contact 16 on the PCB adapter plate 4 , and the lower part of the probe 13 passes through the lower support plate 10 and contacts the corresponding lamp bead pins on the lamp bead plate 5 .

[0022] Holes for installing second hinged hole bolts 12 are opened on both sides of the pressing plate 3. The second hinged hole bolts 12 pass through the pressing plate 3 and are connected to both sides of the fixture plate 1. Two pressing blocks 14 extend from the bottom of the pressing plate 3. The bottoms of the pressing blocks 14 are in contact with both sides of the lamp bead board 5. The pressing plate 3 is used to fix the lamp bead board 5 and is placed above the fixture plate 1. It can be moved up and down by limiting the hinged hole bolts.

[0023] The first hole-making bolt 11 and the second hole-making bolt 12 are both provided with springs, the bottom of the hole-making bolt is threaded, and the middle part is a pin.

[0024] The lamp beads on the lamp bead board 5 of the utility model have four pins, and the four pins on each lamp bead are in contact with the four antennae on the probe 13 respectively. The lamp bead board 5 is 144.0 mm long and 75.0 mm wide. There are 26 lamp beads in each row of the lamp bead board 5, which are distributed on both sides of the lamp bead board 5, with 13 on each side.

[0025] Working principle: The utility model realizes the up and down movement of the pressing plate 3 by rotating the second hinged hole bolt 12 on the pressing plate 3, and the pressing block 14 under the pressing plate 3 fixes the two sides of the lamp bead board 5 by squeezing; the positioning of the contact carrier 2 is realized by the first hinged hole bolt 11. When in use, the pressing handle 7 is pressed downward to make the pins between the PCB adapter board 4 and the LED lamp beads in the LED lamp bead board contact to light up the lamp beads, and a camera is placed under the contact carrier 2 for shooting and detection.

[0026] The utility model lights up and tests 26 lamp beads in a row at the same time without lighting them one by one. According to the distance between the pins of the LED lamp beads in the existing LED lamp bead board, a contact-type lighting method is adopted, which greatly improves the test efficiency and has the advantages of easy use and good use effect.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A specific full-color LED lamp bead package board test fixture, characterized by: The test fixture is composed of a fixture plate (1), a contact carrier (2), a pressure plate (3) and a PCB adapter plate (4); a mounting groove for mounting a lamp bead plate (5) to be tested is arranged in the middle of the fixture plate (1); a glass plate (6) is installed inside the mounting groove; the lamp bead plate (5) is installed above the glass plate (6); the contact carrier (2) is composed of a pressing handle (7), a mounting connection plate (8), an upper cover plate (9) and a lower support plate (10); the pressing handle (7) and the mounting connection plate (8) are integrally formed; first A hinged hole bolt (11), the bottom of the first hinged hole bolt (11) is connected to the jig plate (1), the PCB adapter plate (4) is fixedly mounted on the mounting connection plate (8) through an upper cover plate (9), the lower support plate (10) is located below the upper cover plate (9), 26 contacts (16) are arranged in the middle of the PCB adapter plate (4), 13 rows of sockets (15) on both sides, four positioning holes and four fixing holes, the pressing plate (3) is mounted above the jig plate (1), and both sides of the pressing plate (3) are connected to the jig plate (1) through second hinged hole bolts (12).

2. The specific full-color LED lamp bead package board test fixture according to claim 1 is characterized in that: The upper cover plate (9) is provided with a groove for mounting the PCB adapter plate (4); the lower support plate (10) is fixedly mounted on the bottom of the upper cover plate (9) by means of bolts; and a probe (13) is mounted in the middle of the lower support plate (10).

3. The specific full-color LED lamp bead package board test fixture according to claim 2 is characterized in that: The upper part of the probe (13) passes through the upper cover plate (9) and contacts the contact point (16) on the PCB adapter plate (4), and the lower part of the probe (13) passes through the lower support plate (10) and contacts the corresponding lamp bead pins on the lamp bead plate (5).

4. The specific full-color LED lamp bead package board test fixture according to claim 3 is characterized in that: Holes for installing second hole-making bolts (12) are provided on both sides of the pressing plate (3); the second hole-making bolts (12) pass through the pressing plate (3) and are connected to both sides of the fixture plate (1); two pressing blocks (14) extend from the bottom of the pressing plate (3); the bottoms of the pressing blocks (14) are in contact with both sides of the lamp bead plate (5).

5. The specific full-color LED lamp bead package board test fixture according to claim 4 is characterized in that: The first hole-making bolt (11) and the second hole-making bolt (12) are both provided with springs, the bottom of the hole-making bolt is threaded, and the middle part is a pin shaft.

6. The specific full-color LED lamp bead package board test fixture according to claim 5, characterized in that: The lamp beads on the lamp bead plate (5) have four pins, and the four pins on each lamp bead are in contact with four feelers on the probe (13) respectively.

7. The specific full-color LED lamp bead package board test fixture according to claim 1, characterized in that: The lamp bead board (5) is 144.0 mm long and 75.0 mm wide. Each row of the lamp bead board (5) has 26 lamp beads, which are distributed on both sides of the lamp bead board (5), with 13 lamp beads on each side.

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