Experimental PCB (printed circuit board) of LED (light-emitting diode) product

Abstract

The utility model belongs to the technical field of LEDs, and particularly relates to an experimental PCB of an LED product. Comprising a substrate, and the substrate is provided with a test area, an installation area and a positioning area. The mounting area is in a plane shape and used for being matched with the whole-piece type LED support, a plurality of LED connecting positions which are regularly arranged are arranged in the mounting area, and when the whole-piece type LED support is mounted on the substrate, single LED lamps on the LED support correspond to the LED connecting positions one to one. The positioning area is located on the outer side of the installation area and used for positioning and installing a whole-piece type LED support, and the testing area is located on the outer side of the installation area and communicated with the LED connecting position. A traditional installation mode of a single lamp bead is changed, and efficiency and installation stability are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of LED, especially relate to an experimental PCB board of LED product. BACKGROUND

[0002] The current SMD type LED support product, when carrying out high and low temperature cold and hot impact reliability experiment, is all after the whole piece LED support of sealing glue, peeling into single LED lamp pearl, then through the optical screening and the braid. Then through the chip mounter single LED lamp pearl is pasted to corresponding experimental PCB board, then is put into corresponding test box, carries out high and low temperature cold and hot impact experiment verification, in this traditional PCB board, single LED lamp pearl needs to be installed gradually, leads to low efficiency. Moreover, after installation, since every LED lamp pearl is installed individually, in the process of conveying or testing, loose caused by knock is easy to occur, thereby affecting connection, finally affecting test result, in addition, when testing, only the LED lamp pearl of some bad can be found, but the LED support in the previous process cannot be tracked, leads to being unable to adjust in time according to the bad result, and the bad rate is difficult to control. SUMMARY

[0003] The utility model discloses a kind of experimental PCB boards of LED product, its change the installation mode of traditional single lamp pearl, greatly improve efficiency and the stability of installation.

[0004] Based on this, the utility model provides a kind of experimental PCB boards of LED product, including substrate, test area, installation area and positioning area are equipped on the substrate;

[0005] The installation area is planar, for adapting whole piece type LED support, and a plurality of regular arrangement LED connecting positions are equipped in installation area, and when whole piece type LED support is installed on substrate, single LED lamp on LED support is one-to-one with the LED connecting position;

[0006] The positioning area is located on the outside of the installation area, for positioning and installing whole piece type LED support, and the test area is located on the outside of installation area, and is connected with the LED connecting position.

[0007] As described above, a kind of experimental PCB boards of LED product, the installation area is rectangular, and it is matched with the area of setting LED lamp on LED support.

[0008] As described above, a kind of experimental PCB boards of LED product, a plurality of the LED connecting positions form multiple parallel interval strip-shaped connecting areas, and the strip-shaped connecting area is formed by the vertical arrangement of a plurality of the LED connecting positions along longitudinal direction.

[0009] The experimental PCB board of the LED product as described above, the test area comprises a plurality of groups of test connection sites, and the plurality of groups of test connection sites are in one-to-one correspondence with the plurality of strip connection areas.

[0010] The experimental PCB board of the LED product as described above, the single LED connection site comprises a first connecting pin, a second connecting pin, a third connecting pin and a fourth connecting pin.

[0011] The first connecting pin of each LED connection site on a single strip connection area is connected and conducted, the second connecting pin of each LED connection site is connected and conducted, the third connecting pin of each LED connection site is connected and conducted, and the fourth connecting pin of each LED connection site is connected and conducted.

[0012] The experimental PCB board of the LED product as described above, a single group of test connection sites comprises a first test connection point, a second test connection point and a third test connection point.

[0013] The first test connection point of a single group of test connection sites is conducted with the first connecting pin on the corresponding strip connection area, the second test connection point is conducted with the second connecting pin, and the third test connection point is conducted with the third connecting pin.

[0014] The experimental PCB board of the LED product as described above, the substrate is further provided with a connection bus, the connection bus is arranged along the outer periphery of the mounting area, and the fourth connecting pin on each strip connection area is conducted with the connection bus.

[0015] The experimental PCB board of the LED product as described above, the width of the mounting area is 60-90mm, and the length of the mounting area is 145-170mm.

[0016] The experimental PCB board of the LED product as described above, the positioning area comprises a plurality of positioning structures located between the test area and the mounting area.

[0017] The experimental PCB board of the LED product as described above, the substrate is overall rectangular, and the substrate is further provided with positioning mounting holes on four sides.

[0018] The embodiment of the present application has the following beneficial effects:

[0019] 1. The utility model provides a kind of experimental PCB board of LED product, it can be installed with whole piece LED support, and after installation, it makes installation area and every LED lamp pearl on LED support one-to-one interface, after installation, it can be carried out reliability test by test area, so that overall installation efficiency is higher, and change the way that traditional LED support needs to disperse pearl, retain whole LED support, so that after test, it can be according to the information recorded by LED support Traceability source, improve the accuracy of product reliability abnormal source traceability.It is convenient to improve abnormality, and quickly improve product quality, effectively improve the rate of failure.

[0020] 2, the utility model uses the installation of whole piece type LED support, compared with the installation of single LED pearl, not only greatly improve installation efficiency, and overall stability is better, avoid the connection slack caused by bumping, test result is more accurate. ACCURACY

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 It is the structure diagram of the utility model experimental PCB board;

[0023] Figure 2 It is Figure 1 A part enlarged view of;

[0024] Figure 3 It is Figure 1 B part enlarged view of;

[0025] Figure 4 It is the structure diagram of LED support;

[0026] Figure 5 It is Figure 4 C part enlarged view of;

[0027] Figure 6 It is the schematic diagram of single LED pearl on LED support. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be described clearly and completely in the drawings of the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0029] As Figures 1 to 6 shown, the utility model embodiment provides an experimental PCB board of LED product, including substrate 1, be equipped with test area 11, installation area 12 and positioning area 13 on substrate 1, installation area is used to with LED support 9 butt joint, and with the LED lamp pearl on LED support 9 connects, to facilitate subsequent test experiment to the inspection of single LED lamp pearl, and positioning area 13 ensures the alignment of LED support 9 installation, to facilitate the stability after installation.

[0030] In the scheme, the installation area 12 is flat, used for adapting the whole piece LED support 9, and a plurality of regularly arranged LED connecting positions 120 are arranged in the installation area, and when the whole piece LED support 9 is installed on the substrate 1, the single LED lamp on the LED support 9 corresponds to the LED connecting position 120 one by one; the positioning area 13 is located on the outside of the installation area 12, used for positioning and installing the whole piece LED support 9, and the test area 11 is located on the outside of the installation area 12 and is in conduction with the LED connecting position 120. It can be installed with the whole piece LED support, and after installation, the installation area is butt jointed with each LED lamp pearl on the LED support, and after installation, the reliability test can be carried out through the test area, so that the overall installation efficiency is higher, and the traditional LED support needs to be disassembled in the way of changing the lamp pearl, the whole LED support is reserved, so that after testing, the source can be traced according to the information recorded on the LED support, the accuracy of the abnormal source tracing of the product reliability is improved. It is convenient to improve the abnormality, and the product quality is quickly improved, and the defective rate is effectively improved.

[0031] The traditional LED product cold and hot impact experiment board is peeled off into single lamp pearl after the whole piece LED support is packaged, then the lamp pearl is disordered through the light splitting and stirring process, and is wound into a roll, and then is pasted on the corresponding experimental PCB board through the SMT chip mounter to carry out reliability experiment verification. From the whole piece LED support to the LED lamp pearl pasted on the PCB experiment board, it passes through multiple processes such as light splitting and stirring, when the experiment appears abnormal, the abnormal source cannot be traced, which is not conducive to improving the accuracy of the abnormality. Compared with the traditional single LED lamp pearl installation mode, the whole piece LED support is reserved, and the corresponding information on the LED support is also reserved, so that when the lamp pearl on the single piece LED support fails, the production source in the previous process can be traced according to the information, so that the corresponding parameters can be adjusted in time, and the yield is effectively improved.

[0032] In the embodiment of the utility model, as preferred, the LED support is directly attached to the substrate 1, which greatly improves the installation efficiency compared with the installation of single LED lamp beads, and the LED lamp beads are attached to the PCB together with the whole support, thereby increasing the adhesion of the LED lamp beads to the PCB and preventing the loosening or falling of the single lamp bead due to bumping.

[0033] Of course, the regular arrangement of the LED connecting positions 120 in the present scheme is arranged according to a certain design track, such as a conventional straight line type, a matrix type, or a certain track shape, such as an arc shape or a ring shape, which covers at least each LED lamp bead on the LED support, and as preferred, each LED lamp bead on the LED support is one-to-one corresponding.

[0034] Specifically, in the embodiment of the utility model, the installation area 12 is in a rectangular shape and matches the area where the LED lamps are arranged on the LED support 9. The structure is simple and facilitates the installation of the LED support.

[0035] In the embodiment of the utility model, the specific structure of the installation area 12 is formed by a plurality of LED connecting positions 120, and the plurality of LED connecting positions 120 form a plurality of parallel and spaced strip-shaped connecting areas, which are vertically arranged by a plurality of LED connecting positions 120. That is, a single LED connecting position 120 is connected to a single LED lamp bead, and the single LED connecting position 120 is vertically arranged to form a strip-shaped connecting area, and a plurality of parallel and spaced strip-shaped connecting areas form a piece area, thereby adapting to the piece area formed after the generation of a plurality of LED lamp beads of a conventional LED support. In this way, during the attachment, only the corresponding piece area needs to be attached, so that each LED lamp bead is connected to the corresponding LED connecting position one by one. This makes the installation simpler and improves the installation efficiency.

[0036] Further, in the utility model scheme, the test area 11 includes a plurality of test connecting positions, and the plurality of test connecting positions are one-to-one corresponding and conductive to the plurality of strip-shaped connecting areas. The test area 11 mainly functions to light up the corresponding LED lamp beads by conducting the corresponding positions of the test area 11 when the test equipment is used.

[0037] Taking a traditional three-color lamp bead as an example, the lamp bead has RGB three bright colors. In order to adapt to the experiment, a single LED connecting position 120 includes a first connecting pin 121, a second connecting pin 122, a third connecting pin 123 and a fourth connecting pin 124. It can be understood that each connecting pin is a corresponding connecting end, for example, the first connecting pin 121 is a red positive connecting end, that is, an R end. Similarly, the second connecting pin 122 is a G end, the third connecting pin 123 is a B end, and the fourth connecting pin 124 can be a common negative end.

[0038] In the present scheme, in order to facilitate conduction, the first connecting pin 121 on each LED connecting position 120 on a single strip-shaped connecting area is connected and conducted, the second connecting pin 122 on each LED connecting position 120 is connected and conducted, the third connecting pin 123 on each LED connecting position 120 is connected and conducted, and the fourth connecting pin 124 on each LED connecting position 120 is connected and conducted.

[0039] In addition, a single group of test connecting positions includes a first test connecting point 111, a second test connecting point 112 and a third test connecting point 113. They correspond to the conduction of R, G and B ends. Specifically

[0040] The first test connecting point 111 of a single group of test connecting positions and the first connecting pin 121 on the corresponding strip-shaped connecting area are all conducted, the second test connecting point 112 and the second connecting pin 122 are all conducted, and the third test connecting point 113 and the third connecting pin 123 are all conducted. In this way, through the above structure, when testing, only the first test connecting point of the test area 11 can make the multiple LED lamp beads on a single row bright red, and similarly, through the arrangement of the present scheme, the multiple first test connecting points on the test connecting position are all connected to the signal, and the lamp beads on the whole LED support are all bright red, so as to carry out corresponding test, so that the test process is more efficient.

[0041] Moreover, in the present scheme, the substrate 1 is also provided with a connection bus 19, which is arranged along the outer periphery of the mounting area 12, and the fourth connecting pin 124 on each strip-shaped connecting area is conducted with the connection bus 19. It makes the overall wiring more compact, thereby facilitating the reduction of the overall size. In the present embodiment, the substrate 1 is rectangular as a whole, and its overall size can be designed to be less than 100 mm in width and less than 170 mm in length. The width of the mounting area 12 is 60-90 mm, and the length of the mounting area 12 is 145-170 mm. As one of the preferred embodiments, the size can be: the width of the substrate 1 is 90.1 mm, the length is 162 mm, the width of the mounting area 12 is 75 mm, and the length is 154 mm. The layout design fully utilizes the space, and makes the overall volume of the product smaller.

[0042] Of course, the substrate in the scheme is a PCB board, and the connection positions and the bus are formed on the substrate in a printing manner to realize the implementation mode of the corresponding conduction.

[0043] In the embodiment of the utility model, through pre-positioning installation of positioning area 13 and LED support before pasting, the position is more accurate, and displacement before pasting and fixing is less, and the LED lamp bead connection failure caused by displacement is prevented, positioning area 13 includes a plurality of positioning structures between test area 11 and installation area 12. Specifically, the positioning structure in the scheme can be a through hole arranged in the positioning area 13, and by arranging a corresponding convex structure on the LED support, the above-mentioned positioning installation can be carried out, such as setting a convex column. Of course, a convex column can also be arranged on the positioning area, at this time, only a corresponding through hole needs to be arranged on the LED support. As a preferred but not limited, the scheme is provided with a plurality of positioning structures in the length direction of the installation area 12, of course, a plurality of positioning structures can also be arranged on the outer periphery of the entire installation area 12 to ensure effective pre-positioning effect after installation.

[0044] In the embodiment of the utility model, the substrate 1 is rectangular as a whole, and the positioning installation hole 101 is further arranged on the four sides of the substrate 1, which facilitates the use of the substrate 1 as a carrier during testing or furnace fixing with the LED support.

[0045] The utility model provides a kind of experimental PCB board of LED product, it can be installed with whole piece LED support, and after installation, installation area and every LED lamp bead on LED support are one-to-one interfaced, and after installation, reliability test can be carried out through test area, so that overall installation efficiency is higher, and the traditional LED support is changed to the mode of disassembling lamp bead, retains the whole LED support, so that after testing, information recorded by LED support can be used to trace source, improve the precision of reliability abnormal source tracing of product.It is convenient to improve the abnormality, and quickly improve product quality, effectively improve the rate of failure.

[0046] It should be understood that the terms "first", "second" and the like in the present application are used to describe various information, but these information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present application, the "first" information can also be referred to as "second" information, and similarly, the "second" information can also be referred to as "first" information. In addition, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0047] The above is the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications are also considered within the scope of protection of the present application.

Claims

1. An experimental PCB board for LED products, characterized by, The substrate (1) is provided with a test area (11), a mounting area (12) and a positioning area (13); The mounting area (12) is flat, used for adapting the whole piece type LED support (9), and a plurality of regularly arranged LED connecting positions (120) are arranged in the mounting area, and when the whole piece type LED support (9) is mounted on the substrate (1), a single LED lamp on the LED support (9) corresponds to the LED connecting position (120). The positioning area (13) is located outside the mounting area (12) and is used for positioning and mounting the whole piece type LED support (9), and the test area (11) is located outside the mounting area (12) and is in conduction with the LED connecting position (120).

2. The experimental PCB board of an LED product according to claim 1, wherein, The mounting area (12) is rectangular and matches the area where the LED lamp is arranged on the LED support (9).

3. The experimental PCB board of an LED product according to claim 2, wherein, A plurality of the LED connecting positions (120) form a plurality of parallel and spaced strip-shaped connecting areas, and the strip-shaped connecting areas are formed by a plurality of the LED connecting positions (120) arranged vertically along the longitudinal direction.

4. The experimental PCB board of an LED product according to claim 3, wherein, The test area (11) includes a plurality of groups of test connecting positions, and each group of test connecting positions corresponds to a strip-shaped connecting area in conduction.

5. The experimental PCB board of an LED product according to claim 4, wherein, Each of the LED connecting positions (120) includes a first connecting pin (121), a second connecting pin (122), a third connecting pin (123) and a fourth connecting pin (124). In the plurality of LED connecting positions (120) on a single strip-shaped connecting area, the first connecting pins (121) on each of the LED connecting positions (120) are connected and in conduction with each other, the second connecting pins (122) on each of the LED connecting positions (120) are connected and in conduction with each other, the third connecting pins (123) on each of the LED connecting positions (120) are connected and in conduction with each other, and the fourth connecting pins (124) on each of the LED connecting positions (120) are connected and in conduction with each other.

6. The experimental PCB board of an LED product according to claim 5, wherein, Each group of the test connecting positions includes a first test connecting point (111), a second test connecting point (112) and a third test connecting point (113). The first test connecting point (111) of each group of the test connecting positions is in conduction with the first connecting pin (121) on the corresponding strip-shaped connecting area, the second test connecting point (112) is in conduction with the second connecting pin (122), and the third test connecting point (113) is in conduction with the third connecting pin (123).

7. The experimental PCB board of an LED product according to claim 6, wherein, The substrate (1) is further provided with a connecting bus (19) arranged along the outer periphery of the mounting area (12), and the fourth connecting pin (124) on each strip-shaped connecting area is in conduction with the connecting bus (19).

8. An experimental PCB board for LED products according to any one of claims 1-7, characterized in that, The width of the mounting area (12) is 60-90mm, and the length of the mounting area (12) is 145-170mm.

9. An experimental PCB board for LED products according to any one of claims 1-7, characterized in that, The positioning area (13) includes a plurality of positioning structures located between the test area (11) and the mounting area (12).

10. An experimental PCB board for LED products according to any one of claims 1-7, characterized in that, The substrate (1) is rectangular as a whole, and the substrate (1) is further provided with positioning mounting holes (101) on four sides.

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