LED dot matrix module with high heat dissipation efficiency

By setting a heat sink and thermal fins on the bottom of the LED dot matrix module, the problems of low heat dissipation efficiency and high cost in the prior art are solved, and efficient and economical heat dissipation effect is achieved.

CN119697955AInactive Publication Date: 2025-03-25HAIMEN YULONG PHOTOELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202411840689.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-03-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing LED dot matrix modules have low heat dissipation efficiency and high cost of driving components, which leads to a high cost of heat dissipation, which is not conducive to production and manufacturing.

Method used

By setting a heat sink at the bottom of the dot matrix module main body and setting a thermal fin on the surface of the heat sink, heat conduction is carried out using the heat conduction member to efficiently disperse the heat from the dot matrix module main body.

Benefits of technology

It achieves efficient heat dissipation effect, reduces the heat dissipation cost of the dot matrix module body, and is convenient to install and disassemble, has a reasonable structure and is convenient to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the related technical field of LED dot matrix modules, in particular to an LED dot matrix module with high heat dissipation efficiency, which comprises a dot matrix module main body, a plurality of pins are arranged at the two ends of the bottom of the dot matrix module main body, and mounting frames are arranged on the two sides of the bottom of the dot matrix module main body respectively; the two ends of the two sets of mounting frames are connected with the dot matrix module body through arranged fixing pieces, collapsing rods are fixedly mounted at the two ends of the two sets of mounting frames correspondingly, positioning pieces are arranged on the outer sides of the two collapsing rods correspondingly, through grooves are formed in the two collapsing rods correspondingly, and clamping pieces are arranged on one sides of the inner walls of the through grooves correspondingly. Clamping rods are fixedly installed on the outer walls of the two collapsing rods, the two sides of each clamping rod are jointly connected with cooling fins through installed installation pieces, and heat conduction pieces are arranged on the surfaces of the cooling fins, the heat dissipation efficiency can be rapidly improved, the service life of an LED can be rapidly prolonged, the structure is reasonable, and the installation cost is low.
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Description

Technical Field

[0001] The invention relates to the technical field related to LED dot matrix modules, and in particular provides an LED dot matrix module with high heat dissipation efficiency. Background Art

[0002] LED dot matrix module refers to a module formed by combining dot element boards with a package of 8*8 modules. LED module applications generally refer to two types of products: one is a unit board made of plug-in lamps or surface mount packages, commonly used outdoor door head single red screen, outdoor full-color screen, indoor full-color screen, etc. In addition, the luminous string used for night decoration is also called LED module.

[0003] The existing Chinese patent number: CN218768628U discloses an LED dot matrix module with good heat dissipation effect, including a main body, wherein slide grooves are provided on both sides of the upper inner wall of the main body, and rib plates are slidably connected inside the slide grooves, and one end of the inner side of the rib plate is fixedly connected to the module body, and a heat conduction plate is fixedly connected to the position below the module body corresponding to the inner wall of the main body, and a plurality of heat conduction pipes are fixedly connected to the bottom end of the heat conduction plate, and a plurality of fins are fixedly connected to the middle of the lower end of the heat conduction pipe. In the utility model, the starting motor rotates the threaded rotary rod to move the threaded block on the threaded rotary rod to drive the first fan to move left and right, and the fins are cooled from top to bottom. At the same time, the threaded rotary rod drives the gear to rotate, and the gear then drives the second fan to evenly cool the side of the fin through the track connection block rotating shaft connection frame, so as to achieve the purpose of improving the heat dissipation efficiency; This technical solution uses motors, threaded rods, gears, tracks and other methods to guide the airflow of the fan to achieve a heat dissipation effect. This method has a high economic cost. Based on existing products, the LED dot matrix module needs to be wired internally, and depending on different usage needs, it is possible to splice and use many LED dot matrix modules. The drive component used in the above solution is relatively expensive to implement, which makes the cost of heat dissipation high and is not conducive to production and manufacturing. Therefore, we need to make improvements to this. Summary of the invention

[0004] The purpose of the present invention is to solve the problems existing in the background technology and to propose an LED dot matrix module with high heat dissipation efficiency.

[0005] To achieve the above objectives, the present invention provides an LED dot matrix module with high heat dissipation efficiency, comprising: a dot matrix module body, a fixing part and a mounting part, a plurality of pins are arranged at both ends of the bottom of the dot matrix module body, mounting frames are arranged on both sides of the bottom of the dot matrix module body, two groups of mounting frames are connected to the dot matrix module body at both ends through the fixing parts, two groups of mounting frames are fixedly installed with collapsing rods at both ends, positioning parts are arranged on the outer sides of the two collapsing rods, through grooves are opened inside the two collapsing rods, a clamping part is arranged on one side of the inner wall of the through groove, clamping rods are fixedly installed on the outer walls of the two collapsing rods, both sides of the clamping rods are connected to heat sinks through the mounting parts, and the surface of the heat sink is provided with a heat conductive part.

[0006] In the above solution, further, the fixing member includes a fixing plate fixedly mounted on one end of the mounting frame, and the inner side of the fixing plate is connected to the dot matrix module body through a set screw.

[0007] In the above solution, further, the positioning member includes a positioning frame fixedly mounted on the outer side of the clamping rod, and one side of the positioning frame is in contact with the edge of the heat sink.

[0008] In the above scheme, further, the clamping member includes a bracket fixedly mounted on one side of the inner wall of the through groove, and a rubber rod is fixedly mounted on the outer side of the bracket.

[0009] In the above scheme, further, the mounting member includes a slider slidably mounted on the outside of one side of the clamping rod, the end of the slider is fixedly connected to a mounting plate, a U-shaped frame and a T-shaped seat are respectively installed on the outside of the mounting plate, a rotating clamping member is arranged on the inside of the U-shaped frame, the T-shaped seat is located on one side of the U-shaped frame and a connecting plate is fixedly mounted on the outer wall, and an elastic component is arranged on the inside of the connecting plate.

[0010] In the above scheme, further, the rotating clamping member includes a rotating shaft rotatably mounted on the inner side of the U-shaped frame, a clamping seat is fixedly mounted on the outer side of the rotating shaft, and a clamping groove adapted to clamp the rubber rod is opened on the inner side of the clamping seat.

[0011] In the above scheme, further, the elastic component includes a pull rod slidably inserted into the inner side of the connecting plate, a spring is mounted on the outer side of the pull rod, a handle is provided at one end of the pull rod, a positioning seat is fixedly installed at the other end of the pull rod, a card shell is movably inserted into the inner side of the positioning seat, a base is fixedly installed in the middle of the outer side of the card shell, a sliding shell is slidably installed on the outer side of the base, a positioning rod is vertically installed on the outside of the sliding shell, a positioning hole is opened on the inner side of the positioning rod, a sliding column is slidably installed inside the connecting plate and away from the side of the pull rod, a fixing pin is fixedly installed on the outer wall of the sliding column, and a positioning hole suitable for inserting the fixing pin is opened on the inner side of the positioning rod.

[0012] In the above solution, further, heat-conducting fins are symmetrically installed between the two card shells on the mounting plate, and the two heat-conducting fins are in surface contact with the heat sink.

[0013] Compared with the prior art, the present invention has the following beneficial effects: By arranging a heat sink at the bottom of the lattice module body and arranging heat-conducting fins on the surface of the heat sink, heat conduction can be performed in sequence, thereby efficiently dissipating the heat of the lattice module body.

[0014] The installation plate and the elastically arranged positioning seat can facilitate the subsequent removal of the heat sink and the thermal fins. The installation is convenient, the structure is reasonable, and the operation is convenient, which greatly reduces the economic cost of heat dissipation of the main body of the lattice module. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a connection schematic diagram of the overall structure of the present invention from another angle; Figure 3 It is a schematic diagram of the connection structure between the mounting frame and the collapse rod of the present invention; Figure 4 It is a schematic diagram of a partial connection structure between the collapse rod and the mounting plate of the present invention; Figure 5 It is a schematic diagram of a partial connection structure between the mounting plate, the U-shaped frame and the T-shaped seat of the present invention; Figure 6 It is a schematic diagram of the split structure between the positioning rod and the sliding shell of the present invention; Figure 7 For the present invention Figure 4 Schematic diagram of the structure at point A in the middle.

[0016] In the figure: 1. dot matrix module body; 2. pin; 3. mounting frame; 4. collapse rod; 5. positioning frame; 6. fixing plate; 7. through slot; 8. screw; 9. slider; 10. mounting plate; 11. positioning seat; 12. clamping rod; 13. connecting plate; 14. T-shaped seat; 15. handle; 16. pull rod; 17. spring; 18. clamping shell; 19. positioning rod; 20. sliding column; 21. fixing pin; 22. sliding shell; 23. bracket; 24. rubber rod; 25. U-shaped frame; 26. rotating shaft; 27. clamping seat; 28. clamping slot; 29. ​​base; 30. positioning hole; 31. heat sink; 32. thermal fin. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0019] like Figure 1-Figure 7 The LED dot matrix module with high heat dissipation efficiency shown in the figure comprises: a dot matrix module body 1, a fixing part and a mounting part. A plurality of pins 2 are arranged at both ends of the bottom of the dot matrix module body 1, and the plurality of pins 2 are used to connect with the circuit board. Mounting frames 3 are arranged on both sides of the bottom of the dot matrix module body 1, and two groups of mounting frames 3 are connected to the dot matrix module body 1 at both ends through the fixing parts. Collapsing rods 4 are fixedly installed at both ends of the two groups of mounting frames 3, and positioning parts are arranged on the outer sides of the two collapsing rods 4. Through grooves 7 are opened inside the two collapsing rods 4, and a clamping part is arranged on one side of the inner wall of the through groove 7. A clamping rod 12 is fixedly installed on the outer wall of the two collapsing rods 4. Under the connection of the clamping rod 12, the mounting part can slide on the outside, which is convenient for installation and disassembly. Both sides of the clamping rod 12 are connected to the heat sink 31 through the mounting parts, and the surface of the heat sink 31 is provided with a heat conductive part.

[0020] The fixing part includes a fixing plate 6 fixedly installed at one end of the mounting frame 3. The inner side of the fixing plate 6 is connected to the dot matrix module body 1 by a set screw 8. Under the connection between the fixing plate 6 and the screw 8, the mounting frame 3 is stably set at the bottom of the dot matrix module body 1 for use.

[0021] The positioning member includes a positioning frame 5 fixedly mounted on the outside of the clamp rod 12 , one side of the positioning frame 5 contacts the edge of the heat sink 31 , and the two groups of positioning frames 5 can assist in positioning when assembling the heat sink 31 .

[0022] The clamping part includes a bracket 23 fixedly mounted on one side of the inner wall of the through slot 7, and a rubber rod 24 is fixedly mounted on the outer side of the bracket 23. The bracket 23 is arranged on one side of the inner wall of the through slot 7, and the rubber rod 24 can be assembled in the through slot 7, which can assist in positioning later.

[0023] The mounting member includes a slider 9 slidably mounted on the outside of one side of the clamping rod 12, and a mounting plate 10 is fixedly connected to the end of the slider 9. A U-shaped frame 25 and a T-shaped seat 14 are respectively mounted on the outside of the mounting plate 10. A rotating clamping member is arranged on the inside of the U-shaped frame 25. The U-shaped frame 25 is convenient for assembling the rotating clamping member to position the mounting plate 10. The T-shaped seat 14 is located on one side of the U-shaped frame 25 and a connecting plate 13 is fixedly mounted on the outer wall. An elastic component is arranged on the inner side of the connecting plate 13. The T-shaped seat 14 enables the outer connecting plate 13 and the elastic component to move synchronously with the movement of the mounting plate 10.

[0024] The rotating clamping member includes a rotating shaft 26 rotatably mounted on the inner side of the U-shaped frame 25, a clamping seat 27 is fixedly mounted on the outer side of the rotating shaft 26, and a clamping groove 28 adapted to clamp the rubber rod 24 is opened on the inner side of the clamping seat 27. The clamping seat 27 rotates with the rotating shaft 26 so that the clamping groove 28 on its inner side presses the rubber rod 24 to fix the use position of the mounting plate 10.

[0025] The elastic component includes a pull rod 16 that is slidably inserted into the inner side of the connecting plate 13, a spring 17 is sleeved on the outer side of the pull rod 16, a handle 15 is provided at one end of the pull rod 16, and a positioning seat 11 is fixedly installed at the other end of the pull rod 16. The handle 15 can be pulled by the installer to squeeze the external spring 17, pull the positioning seat 11, and after passing over the heat sink 31, the positioning seat 11 is pressed against the surface of the heat sink 31 by the elastic reset of the spring 17, so that the heat sink 31 is assembled. A card shell 18 is movably inserted into the inner side of the positioning seat 11, and a base 29 is fixedly installed in the middle of the outer side of the card shell 18. The base 2 A sliding shell 22 is slidably installed on the outer side of 9, a positioning rod 19 is vertically installed on the outside of the sliding shell 22, a positioning hole 30 is opened on the inner side of the positioning rod 19, a sliding column 20 is slidably installed on the inner side of the connecting plate 13 and away from the pull rod 16, a fixing pin 21 is fixedly installed on the outer wall of the sliding column 20, and a positioning hole 30 adapted to insert the fixing pin 21 is opened on the inner side of the positioning rod 19. When installing the heat-conducting fin 32, the sliding shell 22 is pushed toward the side of the fixing pin 21, so that the positioning hole 30 inside the positioning rod 19 is inserted on the outer side of the fixing pin 21, so that the heat-conducting fin 32 is installed on the surface of the heat sink 31 for heat conduction.

[0026] The heat conducting fins 32 are symmetrically installed between the two card shells 18 on the corresponding mounting plate 10. The two heat conducting fins 32 are in surface contact with the heat sink 31. The heat conducting fins 32 are made of copper material to help conduct heat to the heat sink 31 and improve the heat dissipation effect of the heat sink 31.

[0027] Working principle: When installing the heat sink 31 at the bottom of the dot matrix module body 1, first put the heat sink 31 between the two positioning frames 5 at the bottom of the dot matrix module body 1, then slide the slider 9 to the heat sink 31, and pull the handle 15 above the positioning seat 11 to cause the handle 15 to squeeze the spring 17 on the outside, and then lift the positioning seat 11, and then reset the spring 17 to make the positioning seat 11 press against the surface of the heat sink 31, and the corresponding card shell 18 is inserted into the inside of the positioning seat 11 to guide it. The surfaces of the thermal fins 32 and the heat sink 31 are fitted together. When the sliding shell 22 is pushed from one end toward the direction of the fixing pin 21, the positioning holes 30 on the inner side of the positioning rods 19 outside the sliding shell 22 are inserted into the outside of the fixing pin 21. At this time, the thermal fins 32 can further conduct heat outside the heat sink 31. Therefore, when the heat sink 31 dissipates heat for the lattice module body 1, the thermal fins 32 further conduct the heat of the heat sink 31, so that the heat sink 31 maintains an efficient heat dissipation effect, thereby promoting the cooling of the lattice module body 1.

[0028] As described above, in order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, it can be understood that the specific meanings of the above terms in the present invention are only the preferred embodiments of the present invention, and are not other forms of limitations on the present invention. Any technician familiar with this profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still belongs to the protection scope of the technical solution of the present invention.

Claims

1. An LED dot matrix module with high heat dissipation efficiency, comprising: A lattice module body (1), a fixing part and a mounting part, characterized in that: a plurality of pins (2) are provided at both ends of the bottom of the lattice module body (1), mounting frames (3) are provided on both sides of the bottom of the lattice module body (1), two sets of mounting frames (3) are connected to the lattice module body (1) at both ends through the fixing parts, two sets of mounting frames (3) are fixedly installed with collapsing rods (4) at both ends, positioning parts are provided on the outside of the two collapsing rods (4), through grooves (7) are provided inside the two collapsing rods (4), a clamping part is provided on one side of the inner wall of the through groove (7), a clamping rod (12) is fixedly installed on the outer wall of the two collapsing rods (4), both sides of the clamping rod (12) are connected to a heat sink (31) through the mounting parts, and a heat conducting part is provided on the surface of the heat sink (31).

2. The LED dot matrix module with high heat dissipation efficiency according to claim 1, characterized in that: The fixing member comprises a fixing plate (6) fixedly mounted on one end of the mounting frame (3); the inner side of the fixing plate (6) is connected to the dot matrix module body (1) via screws (8).

3. The LED dot matrix module with high heat dissipation efficiency according to claim 1, characterized in that: The positioning member comprises a positioning frame (5) fixedly mounted on the outside of the clamping rod (12), and one side of the positioning frame (5) is in contact with the edge of the heat sink (31).

4. The LED dot matrix module with high heat dissipation efficiency according to claim 1, characterized in that: The clamping member comprises a bracket (23) fixedly mounted on one side of the inner wall of the through groove (7), and a rubber rod (24) is fixedly mounted on the outer side of the bracket (23).

5. The LED dot matrix module with high heat dissipation efficiency according to claim 1, characterized in that: The mounting member comprises a slider (9) slidably mounted on the outside of one side of the clamping rod (12); the end of the slider (9) is fixedly connected to a mounting plate (10); a U-shaped frame (25) and a T-shaped seat (14) are respectively mounted on the outside of the mounting plate (10); a rotating clamping member is arranged on the inside of the U-shaped frame (25); the T-shaped seat (14) is located on one side of the U-shaped frame (25) and a connecting plate (13) is fixedly mounted on the outer wall; and an elastic component is arranged on the inside of the connecting plate (13).

6. The LED dot matrix module with high heat dissipation efficiency according to claim 5, characterized in that: The rotating clamping member comprises a rotating shaft (26) rotatably mounted on the inner side of the U-shaped frame (25); a clamping seat (27) is fixedly sleeved on the outer side of the rotating shaft (26); and a clamping groove (28) adapted to clamp the rubber rod (24) is provided on the inner side of the clamping seat (27).

7. The LED dot matrix module with high heat dissipation efficiency according to claim 5, characterized in that: The elastic component comprises a pull rod (16) slidably inserted into the inner side of the connecting plate (13), a spring (17) is sleeved on the outer side of the pull rod (16), a handle (15) is arranged at one end of the pull rod (16), a positioning seat (11) is fixedly installed at the other end of the pull rod (16), a card shell (18) is movably inserted into the inner side of the positioning seat (11), a base (29) is fixedly installed in the middle of the outer side of the card shell (18), a sliding shell (22) is slidably installed on the outer side of the base (29), a positioning rod (19) is vertically installed on the outer side of the sliding shell (22), a positioning hole (30) is provided on the inner side of the positioning rod (19), a sliding column (20) is slidably installed inside the connecting plate (13) and away from the pull rod (16), a fixing pin (21) is fixedly installed on the outer wall of the sliding column (20), and a positioning hole (30) adapted to be inserted through the fixing pin (21) is provided on the inner side of the positioning rod (19).

8. The LED dot matrix module with high heat dissipation efficiency according to claim 7, characterized in that: Heat-conducting fins (32) are symmetrically mounted between the two housings (18) on the mounting plate (10), and the surfaces of the two heat-conducting fins (32) and the heat sink (31) are in contact with each other.

Citation Information

Patent Citations

  • LED dot matrix module with good heat dissipation effect

    CN218768628U