COB module packaging structure

Abstract

The utility model discloses a COB module packaging structure, which comprises a circuit substrate, a mounting rack, a lens cover and a quick-release plate, when the circuit substrate, the mounting rack and the lens cover are assembled, the circuit substrate and the mounting rack are convenient to assemble by arranging a clamping groove and a clamping strip plate, the mounting rack is provided with a convex rib groove, and the convex rib groove is arranged on the mounting rack. The butt joint convex ribs on the two sides of the lens cover are arranged in the convex rib grooves in a sliding mode, so that alignment installation of the lens cover is facilitated, and the circuit substrate, the installation frame and the lens cover are preliminarily fixed through clamping connection of the side connecting plates of the lens cover and the connecting convex ribs of the installation frame. The circuit substrate, the mounting rack and the lens cover are further fixed by arranging the quick-release plate to be respectively clamped with the lens cover and the mounting rack, and the quick-release mechanisms are arranged at the joints of the circuit substrate, the mounting rack and the lens cover, so that the components are convenient to assemble, and the device has good usability; and the packaging efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lamp sheet packaging, and particularly relates to a COB module packaging structure. Background Art

[0002] COB module packaging refers to packaging the light-emitting lamp chips and the circuit board to prevent foreign matters and oil stains from adhering to the surface of the lamp chips. COB module packaging not only requires protecting the lamp chips but also requires light transmission.

[0003] A Chinese patent with the authorized announcement number of CN221150015U discloses a COB module packaging structure. The COB module packaging structure includes: a circuit board, which has a positive electrode pad and a negative electrode pad. The positive electrode pad is welded to the positive electrode of the external power supply, and the negative electrode pad is welded to the negative electrode of the external power supply. The circuit board also has a chip attachment area, which is located in the middle of the circuit board; a plurality of lamp chips, which are welded to the chip attachment area at intervals, and the lamp chips are connected in series. The positive electrode of one of the lamp chips is electrically connected to the positive electrode pad, and the negative electrode of the other lamp chip is electrically connected to the negative electrode pad; two mounting brackets, which are connected to the circuit board and are respectively located on both sides of the chip attachment area; a lens, which is located above the chip attachment area, and both sides of the lens are snap-connected to the two mounting brackets. In this way, for the lamps using this COB module packaging structure, the phenomenon that the lens falls off due to its own gravity will not occur after long-term operation, thereby ensuring that the lens is firmly and stably installed.

[0004] The deficiencies of the above-mentioned existing technical solutions are as follows: There is no detachable structure designed at the connection between the circuit board, the mounting bracket and the lens, which is not convenient for the connection and installation of each component, and there is still room for improvement in terms of usability. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a COB module packaging structure to solve the technical problem that there is no detachable structure designed at the connection between the components of the existing packaging structure, which is not convenient for the connection and installation of each component.

[0006] The technical problem to be solved by the utility model can be realized through the following technical solutions:

[0007] A COB module packaging structure includes:

[0008] A circuit board, including a board main body, on which a chip attachment area is provided, and a plurality of lamp chips are evenly distributed on the chip attachment area. Snap grooves are symmetrically distributed and opened on both side end faces of the board main body;

[0009] The lens cover includes a lens cover body. Docking ribs are fixedly connected to both side end faces of the lens cover body. Side connecting plates are fixedly connected to both side end faces of one end of the docking rib. A clamping projection is fixedly connected to the other end face of the lens cover body.

[0010] The quick-release plate includes a plate body. Connecting convex plates one are fixedly connected to both sides of the plate body. Connecting convex plates two corresponding to the clamping projections are fixedly connected to the side end face of the plate body. The connecting convex plates two are clamped with the clamping projections.

[0011] The mounting bracket includes a mounting bracket body. Mounting brackets are provided on both sides of the lens cover. A connecting rib is fixedly connected to one side of the upper end face of the mounting bracket body close to the lens cover. The side connecting plate is clamped with one end face of the connecting rib. The connecting convex plate one is clamped with the other end face of the connecting rib. A rib groove is formed on the side end face of the mounting bracket body close to the lens cover. The docking rib is slidably arranged in the rib groove. Connecting side plates one are fixedly connected to both side ends of the mounting bracket body. A clamping strip plate is fixedly connected to the connecting side plate one. The clamping strip plate is clamped in the clamping groove.

[0012] As a further scheme of the present utility model: A positive electrode pad and a negative electrode pad are respectively arranged on the substrate body. An avoidance through groove is formed through the mounting bracket body. The chip attaching area is arranged in the middle of the substrate body. A plurality of pin through holes for connecting with a plurality of lamp chips are evenly distributed on the chip attaching area.

[0013] As a further scheme of the present utility model: Clamping openings one are formed on both side end faces of the connecting rib.

[0014] As a further scheme of the present utility model: A clamping plate one is fixedly connected to the side connecting plate. The clamping plate one is clamped with the clamping opening one on one side end face of the connecting rib. A clamping plate two is fixedly connected to the connecting convex plate one. The clamping plate two is clamped with the clamping opening one on the other end face of the connecting rib.

[0015] As a further scheme of the present utility model: A clamping plate three is fixedly connected to the connecting convex plate two. A clamping opening two is formed on the clamping projection. The clamping plate three is clamped in the clamping opening two.

[0016] As a further scheme of the present utility model: The side connecting plate, the connecting convex plate one and the connecting convex plate two are all vertically arranged. The clamping plate one, the clamping plate two and the clamping plate three are all horizontally arranged.

[0017] The beneficial effects of the present utility model:

[0018] 1. When assembling the circuit board, the mounting bracket, and the lens cover, the present utility model facilitates the assembly between the circuit board and the mounting bracket by providing a clamping groove and a clamping strip plate. The mounting bracket is provided with a rib groove, and the docking ribs on both sides of the lens cover are slidably arranged in the rib groove, thus facilitating the alignment and installation of the lens cover. The circuit board, the mounting bracket, and the lens cover are initially fixed by clamping the side connecting plate of the lens cover with the connecting rib of the mounting bracket. The circuit board, the mounting bracket, and the lens cover are further fixed by providing quick-release plates that are respectively clamped with the lens cover and the mounting bracket. By providing a quick-release mechanism between the connections of the circuit board, the mounting bracket, and the lens cover, the assembly of each component is facilitated, making the device highly user-friendly and conducive to improving the packaging efficiency.

[0019] 2. The side connecting plate, the first connecting convex plate, and the second connecting convex plate of the present utility model are all vertically arranged, the first clamping plate, the second clamping plate, and the third clamping plate are all horizontally arranged, and the clamping surfaces between the circuit board, the mounting bracket, the lens cover, and the quick-release plate are all on vertical planes. During long-term use, the clamping structure will not be affected by gravity, which is conducive to improving the reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present utility model will be further described below with reference to the accompanying drawings.

[0021] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 is a three-dimensional structural schematic of the circuit board of the present utility model Figure 1 ;

[0023] Figure 3 is a three-dimensional structural schematic of the circuit board of the present utility model Figure 2 ;

[0024] Figure 4 is a three-dimensional structural schematic diagram of the lens cover of the present utility model;

[0025] Figure 5 is a three-dimensional structural schematic of the mounting bracket of the present utility model Figure 1 ;

[0026] Figure 6 is a three-dimensional structural schematic of the mounting bracket of the present utility model Figure 1 ;

[0027] Figure 7 is a three-dimensional structural schematic diagram of the main body of the board of the present utility model.

[0028] In the figure: 1. Circuit board; 11. Board main body; 12. Positive electrode pad; 13. Negative electrode pad; 14. SMT area; 15. Lamp chip; 16. Clamping groove; 2. Mounting bracket; 21. Mounting bracket main body; 22. Avoidance through groove; 23. Rib groove; 24. Connecting rib; 25. First clamping interface; 26. Connecting side plate; 27. Clamping strip board; 3. Lens cover; 31. Mirror cover main body; 32. Docking rib; 33. Side connecting plate; 34. First clamping plate; 35. Clamping convex block; 36. Second clamping interface; 4. Quick-release board; 41. Board main body; 42. First connecting convex plate; 43. Second connecting convex plate; 44. Second clamping plate; 45. Third clamping plate. Detailed implementation manner

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0030] As Figures 1 - 7 shown, a COB module packaging structure includes a circuit board 1, a lens cover 3 and a quick-release board 4. The circuit board 1 includes a board main body 11. An SMT area 14 is provided on the board main body 11. A plurality of lamp chips 15 are evenly distributed on the SMT area 14. Clamping grooves 16 are symmetrically distributed and opened on both side end faces of the board main body 11. The lens cover 3 includes a mirror cover main body 31. Docking ribs 32 are fixedly connected to both side end faces of the mirror cover main body 31. Side connecting plates 33 are fixedly connected to both side end faces of one end of the docking rib 32. A clamping convex block 35 is fixedly connected to the other end face of the mirror cover main body 31. The quick-release board 4 includes a board main body 41. First connecting convex plates 42 are fixedly connected to both sides of the board main body 41. A second connecting convex plate 43 corresponding to the clamping convex block 35 is fixedly connected to the side end face of the board main body 41. The second connecting convex plate 43 is clamped with the clamping convex block 35.

[0031] A COB module packaging structure further includes a mounting bracket 2. The mounting bracket 2 includes a mounting bracket main body 21. The mounting bracket 2 is provided on both sides of the lens cover 3. A connecting rib 24 is fixedly connected to one side of the upper end face of the mounting bracket main body 21 close to the lens cover 3. The side connecting plate 33 is clamped with one end face of the connecting rib 24. The first connecting convex plate 42 is clamped with the other end face of the connecting rib 24. A rib groove 23 is opened on one side end face of the mounting bracket main body 21 close to the lens cover 3. The docking rib 32 is slidably arranged in the rib groove 23. Connecting side plates 26 are fixedly connected to both side ends of the mounting bracket main body 21. A clamping strip board 27 is fixedly connected to the connecting side plate 26. The clamping strip board 27 is clamped in the clamping groove 16.

[0032] On the substrate body 11, a positive electrode pad 12 and a negative electrode pad 13 are respectively arranged. An avoidance through groove 22 is formed through the mounting frame body 21. By providing the avoidance through groove 22, it is convenient for the positive electrode pad 12 and the negative electrode pad 13 to be connected to an external power supply. The positive electrode pad 12 is used for welding with the positive electrode of the external power supply, and the negative electrode pad 13 is used for welding with the negative electrode of the external power supply. The chip attaching area 14 is arranged in the middle of the substrate body 11. A number of pin through holes are evenly distributed on the chip attaching area 14 and are generally used for connecting with a number of lamp chips 15.

[0033] On both side end faces of the connecting rib 24, a first clamping interface 25 is formed. A clamping plate one 34 is fixedly connected to the side connecting plate 33. The clamping plate one 34 is clamped with the first clamping interface 25 on one side end face of the connecting rib 24. A clamping plate two 44 is fixedly connected to the connecting convex plate one 42. The clamping plate two 44 is clamped with the first clamping interface 25 on the other end face of the connecting rib 24.

[0034] A clamping plate three 45 is fixedly connected to the connecting convex plate two 43. A second clamping interface 36 is formed on the clamping convex block 35. The clamping plate three 45 is clamped in the second clamping interface 36.

[0035] In some specific implementation schemes, the side connecting plate 33, the connecting convex plate one 42 and the connecting convex plate two 43 are all vertically arranged, and the clamping plate one 34, the clamping plate two 44 and the clamping plate three 45 are all horizontally arranged.

[0036] To facilitate the understanding of this solution embodiment by those skilled in the art, the working principle of this solution will be briefly described in combination with a specific application scenario:

[0037] When assembling the circuit board 1, the mounting frame 2 and the lens cover 3, by providing the clamping groove 16 and the clamping strip plate 27, it is convenient for the assembly between the circuit board 1 and the mounting frame 2. A convex rib groove 23 is formed on the mounting frame 2. The docking convex ribs 32 on both sides of the lens cover 3 are slidably arranged in the convex rib groove 23, so as to facilitate the alignment installation of the lens cover 3. Through the clamping of the side connecting plate 33 of the lens cover 3 with the connecting rib 24 of the mounting frame 2, the circuit board 1, the mounting frame 2 and the lens cover 3 are initially fixed. By providing the quick release plate 4 to be respectively clamped with the lens cover 3 and the mounting frame 2, the circuit board 1, the mounting frame 2 and the lens cover 3 are further fixed. By providing a quick release mechanism between the connection parts of the circuit board 1, the mounting frame 2 and the lens cover 3, it is convenient for the assembly of each component, so that the device has good usability and is beneficial to improving the packaging efficiency. The side connecting plate 33, the connecting convex plate one 42 and the connecting convex plate two 43 are all vertically arranged, and the clamping plate one 34, the clamping plate two 44 and the clamping plate three 45 are all horizontally arranged. The clamping surfaces between the circuit board 1, the mounting frame 2, the lens cover 3 and the quick release plate 4 are all on vertical planes. During long-term use, the clamping structure will not be affected by gravity, which is beneficial to improving the reliability of the device.

[0038] The above has described several embodiments of the present utility model in detail. However, the embodiments of the present utility model are not limited thereto and should not be considered as defining the scope of implementation of the present utility model. All equivalent changes and improvements made in accordance with the scope of the application of the present utility model should still fall within the scope covered by the patent of the present utility model.

Claims

1. A COB module packaging structure, characterized in that, Comprising: A circuit board (1), including a board body (11), on which a chip mounting area (14) is provided, and a number of lamp chips (15) are evenly distributed on the chip mounting area (14), and clamping grooves (16) are symmetrically distributed and formed on both side end faces of the board body (11); A lens cover (3), including a cover body (31), on both side end faces of the cover body (31), docking ribs (32) are fixedly connected, on both side end faces of one end of the docking rib (32), side connection plates (33) are fixedly connected, and on the other end face of the cover body (31), a clamping projection (35) is fixedly connected; A quick-release board (4), including a board body (41), on both sides of the board body (41), connection convex plates one (42) are fixedly connected, on the side end face of the board body (41), a connection convex plate two (43) corresponding to the clamping projection (35) is fixedly connected, and the connection convex plate two (43) is clamped with the clamping projection (35); A mounting bracket (2), including a mounting bracket body (21), mounting brackets (2) are arranged on both sides of the lens cover (3), on the upper end face of the mounting bracket body (21) near the lens cover (3), a connection rib (24) is fixedly connected, one end face of the side connection plate (33) is clamped with the connection rib (24), the other end face of the connection convex plate one (42) is clamped with the connection rib (24), on the side end face of the mounting bracket body (21) near the lens cover (3), a rib groove (23) is formed, and the docking rib (32) is slidably arranged in the rib groove (23), on both side ends of the mounting bracket body (21), connection side plates one (26) are fixedly connected, and on the connection side plates one (26), clamping strip plates (27) are fixedly connected, and the clamping strip plates (27) are clamped in the clamping grooves (16).

2. The COB module packaging structure according to claim 1, characterized in that, On the board body (11), a positive electrode pad (12) and a negative electrode pad (13) are respectively arranged, on the mounting bracket body (21), an avoidance through groove (22) is formed through, the chip mounting area (14) is arranged in the middle of the board body (11), and a number of pins are evenly distributed on the chip mounting area (14) and are generally used for connecting with a number of lamp chips (15).

3. The COB module packaging structure according to claim 1, characterized in that On both side end faces of the connection rib (24), clamping openings one (25) are formed.

4. The COB module packaging structure according to claim 3, wherein, On the side connection plate (33), a clamping plate one (34) is fixedly connected, the clamping plate one (34) is clamped with the clamping opening one (25) on one side end face of the connection rib (24), on the connection convex plate one (42), a clamping plate two (44) is fixedly connected, and the clamping plate two (44) is clamped with the clamping opening one (25) on the other end face of the connection rib (24).

5. A COB module packaging structure according to claim 1, characterized in that, On the connection convex plate two (43), a clamping plate three (45) is fixedly connected, on the clamping projection (35), a clamping opening two (36) is formed, and the clamping plate three (45) is clamped in the clamping opening two (36).

6. A COB module packaging structure according to claim 1, characterized in that, The side connection plate (33), the connection convex plate one (42) and the connection convex plate two (43) are all vertically arranged, and the clamping plate one (34), the clamping plate two (44) and the clamping plate three (45) are all horizontally arranged.

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