A composite heat dissipation fin LED heat sink

Abstract

This utility model discloses an LED heat sink with composite heat dissipation fins, relating to the field of LED heat sink technology. The technical solution includes a heat-conducting base with multiple slots on one side, each slot housing heat dissipation fins. A heat dissipation assembly is also located on one side of the base. The heat dissipation assembly includes a mesh frame on one side of the base, a mesh frame fixedly mounted on one side of the frame, and a connecting cylinder fixedly mounted on one side of the mesh frame. A motor is installed inside the connecting cylinder, and a fan blade is fixedly connected to the motor's output end. The fan blade is fitted onto the outside of the connecting cylinder and connected to it via a bearing. The advantages are: basic heat conduction is achieved through the combination of the heat-conducting base and the heat dissipation fins; simultaneously, the integrated motor-driven fan blade assembly forms an active air-cooling system; the fan blade rotation accelerates airflow, significantly improving the convective heat transfer coefficient of the heat dissipation fin surface; and the heat dissipation assembly and the heat-conducting base are detachable, eliminating the need to disassemble the entire heat sink for maintenance.

Description

Technical Field

[0001] This utility model relates to the field of LED heat sink technology, specifically to an LED heat sink with composite heat sink fins. Background Technology

[0002] LED heat dissipation technology is a technical system used to manage the heat generated by semiconductor light-emitting diodes (LEDs). It optimizes material and structural design to efficiently dissipate the heat generated by the chip, avoiding performance degradation caused by excessive temperature.

[0003] The existing radiator heat dissipation components are installed using a large number of screws and nuts, which makes installation and disassembly time-consuming and labor-intensive. Utility Model Content

[0004] Therefore, this utility model provides an LED heat sink with composite heat dissipation fins to solve the problem that the heat dissipation components of the heat sink are connected by a large number of screws and nuts, which makes installation and disassembly time-consuming and labor-intensive.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an LED heat sink with composite heat dissipation fins, including a heat-conducting base, a plurality of slots are provided on one side of the heat-conducting base, heat dissipation fins are provided inside the slots, and a heat dissipation component is provided on one side of the heat-conducting base;

[0006] The heat dissipation assembly includes a mesh frame disposed on one side of a heat-conducting base. A mesh rack is fixedly mounted on one side of the mesh frame, and a connecting cylinder is fixedly mounted on one side of the mesh rack. A motor is installed inside the connecting cylinder, and a fan blade is fixedly connected to the output end of the motor. The fan blade is sleeved on the outside of the connecting cylinder and connected to the connecting cylinder through a bearing. Multiple support plates are fixedly mounted on one side of the mesh frame, and a connecting rod is fixedly mounted on one side of the support plates. A side groove is opened on one side of the connecting rod, and multiple through holes are opened on one side of the heat-conducting base. The connecting rod passes through the through holes, and a cross-shaped retaining plate is rotatably connected to the side of the heat-conducting base away from the mesh frame. The cross-shaped retaining plate is engaged with the side groove.

[0007] Preferably, a stud is threadedly connected to one side of the heat-conducting base, a heat-conducting pad is fixedly provided at one end of the stud, and a connecting plate is fixedly provided on one side of the heat-conducting pad.

[0008] Preferably, a support column is fixedly provided on one side of the wire frame, and the support column is in contact with the connecting plate.

[0009] Preferably, a slot is provided on one side of the connecting plate.

[0010] Preferably, the heat-conducting base has multiple limiting grooves on the side away from the mesh frame, a heat-conducting substrate is provided on one side of the heat-conducting base, and multiple locking blocks are fixed on one side of the heat-conducting substrate. The locking blocks extend into the limiting grooves and engage with the limiting grooves.

[0011] Preferably, a screw is provided on one side of the thermally conductive substrate, and the screw is connected to the cross-shaped retaining plate by a thread.

[0012] Preferably, the connecting rod is slidably connected to the through hole.

[0013] Preferably, the connecting plate is made of thermally conductive silicone material.

[0014] The present invention has the following advantages:

[0015] Basic heat conduction and heat dissipation are achieved by combining the heat-conducting base and heat dissipation fins. At the same time, the motor-driven fan blade assembly is integrated to form an active air cooling system. The fan blade rotation accelerates the air flow, significantly improving the convective heat transfer coefficient on the surface of the heat dissipation fins. The heat dissipation assembly and heat-conducting base adopt a detachable design, so the entire heat sink does not need to be disassembled for maintenance.

[0016] The heat dissipation component slides into the through hole of the heat-conducting base via a connecting rod, and is quickly locked by the snap-fit ​​of the cross-shaped retaining plate and the side groove, avoiding the durability problems of traditional welding or gluing processes. The heat-conducting substrate and the heat-conducting base are connected by the interlocking structure of the retaining block and the limiting groove, and the cross-shaped retaining plate is fixed with screws to form a double positioning, which effectively resists the displacement caused by thermal expansion and contraction, and improves the structural stability. Attached Figure Description

[0017] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0018] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0019] Figure 1 Rear view of the overall structure provided for this utility model;

[0020] Figure 2 The overall structural front view provided for this utility model;

[0021] Figure 3 A cross-sectional view of the overall structure provided for this utility model;

[0022] Figure 4 Explosion of integral structural parts provided by this utility model Figure 1 ;

[0023] Figure 5 Explosion of integral structural parts provided by this utility model Figure 2 ;

[0024] Figure 6 A perspective view of the heat dissipation component provided by this utility model.

[0025] In the diagram: 1. Thermally conductive base; 2. Thermally conductive substrate; 3. Heat dissipation fins; 4. Screw; 5. Frame; 6. Frame; 7. Connecting cylinder; 8. Motor; 9. Fan blade; 10. Cross-shaped retaining plate; 11. Stud; 12. Connecting plate; 13. Thermally conductive pad; 14. Support column; 15. Connecting rod; 16. Limiting groove; 17. Support plate; 18. Side groove; 19. Slot; 20. Through hole; 21. Locking block. Detailed Implementation

[0026] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0027] See attached document Figure 1 -Appendix Figure 6 The present invention provides an LED heat sink with composite heat dissipation fins, including a heat-conducting base 1, a plurality of slots are provided on one side of the heat-conducting base 1, heat dissipation fins 3 are provided inside the slots, and a heat dissipation component is provided on one side of the heat-conducting base 1.

[0028] The heat dissipation assembly includes a mesh frame 5, which is disposed on one side of the heat-conducting base 1. A mesh frame 6 is fixedly provided on one side of the mesh frame 5, and a connecting cylinder 7 is fixedly provided on one side of the mesh frame 6. A motor 8 is installed inside the connecting cylinder 7, and a fan blade 9 is fixedly connected to the output end of the motor 8. The fan blade 9 is sleeved on the outside of the connecting cylinder 7 and connected to the connecting cylinder 7 through a bearing. Multiple support plates 17 are fixedly provided on one side of the mesh frame 5, and a connecting rod 15 is fixedly provided on one side of the support plate 17. A side groove 18 is opened on one side of the connecting rod 15. Multiple through holes 20 are opened on one side of the heat-conducting base 1, and the connecting rod 15 passes through the through holes 20. A cross-shaped clamping plate 10 is rotatably connected to the side of the heat-conducting base 1 away from the mesh frame 5. The cross-shaped clamping plate 10 is engaged with the side groove 18, and the connecting rod 15 is slidably connected to the through holes 20.

[0029] In this embodiment, the heat dissipation fins 3 are inserted into the slot on one side of the heat-conducting base 1, and then the stud 11 is fixed to the heat-conducting base 1 by threaded connection. The connecting rod 15 on one side of the mesh frame 5 is passed through the through hole 20 on one side of the heat-conducting base 1. Then the cross plate 10 is rotated and the cross plate 10 is engaged with the side groove 18, thereby fixing and limiting the connecting rod 15. By starting the motor 8, the motor 8 controls the fan blades 9 to rotate, thereby accelerating the heat dissipation of the heat dissipation fins 3.

[0030] To achieve the purpose of limiting the position, the device adopts the following technical solution: a stud 11 is threadedly connected to one side of the heat-conducting base 1, a heat-conducting pad 13 is fixedly provided at one end of the stud 11, a connecting plate 12 is fixedly provided on one side of the heat-conducting pad 13, a support column 14 is fixedly provided on one side of the mesh frame 5, the support column 14 is in contact with the connecting plate 12, a slot 19 is provided on one side of the connecting plate 12, and the connecting plate 12 is made of heat-conducting silicone material. The stud 11 and the heat-conducting base 1 are fixedly connected by threads, and the connecting plate 12 on one side of the heat-conducting pad 13 is pressed against one side of the heat-conducting base 1, thereby pressing and fixing the heat dissipation fins 3.

[0031] To achieve the installation purpose, this device adopts the following technical solution: Multiple limiting grooves 16 are provided on the side of the heat-conducting base 1 away from the mesh frame 5. A heat-conducting substrate 2 is provided on one side of the heat-conducting base 1. Multiple locking blocks 21 are fixed on one side of the heat-conducting substrate 2. The locking blocks 21 extend into the limiting grooves 16 and engage with them. A screw 4 is provided on one side of the heat-conducting substrate 2. The screw 4 is threadedly connected to the cross-shaped locking plate 10. The heat-conducting substrate 2 is installed on one side of the heat-conducting base 1. The locking blocks 21 on one side of the heat-conducting substrate 2 are inserted into the limiting grooves 16. Then, the heat-conducting substrate 2 and the heat-conducting base 1 are installed by the screw 4. The locking blocks 21 fix the position of the cross-shaped locking plate 10. The LED is installed on one side of the heat-conducting substrate 2. Heat is absorbed by the heat-conducting base 1 and the heat-conducting substrate 2, and dissipated by the heat dissipation fins 3.

[0032] The usage process of this utility model is as follows: When using this utility model, insert the heat dissipation fins 3 into the slot on one side of the heat-conducting base 1, then fix the stud 11 to the heat-conducting base 1 by threaded connection, press the connecting plate 12 on one side of the heat-conducting pad 13 onto one side of the heat-conducting base 1 to press and fix the heat dissipation fins 3, pass the connecting rod 15 on one side of the mesh frame 5 through the through hole 20 on one side of the heat-conducting base 1, then rotate the cross clamp 10, the cross clamp 10 and the side groove 18 are engaged, thereby fixing and limiting the connecting rod 15, then install the heat-conducting substrate 2 on one side of the heat-conducting base 1, insert the clamp 21 on one side of the heat-conducting substrate 2 into the limiting groove 16, then install the heat-conducting substrate 2 and the heat-conducting base 1 by screw 4, the clamp 21 fixes the position of the cross clamp 10, install the LED on one side of the heat-conducting substrate 2, the heat is absorbed by the heat-conducting base 1 and the heat dissipation fins 3, and the fan blades 9 are rotated by starting the motor 8, thereby accelerating the heat dissipation of the heat dissipation fins 3.

[0033] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art may modify this utility model or modify it into an equivalent technical solution using the technical solutions described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solutions of this utility model are within the scope of protection claimed by this utility model.

Claims

1. An LED heat sink with composite heat dissipation fins, comprising a thermally conductive base (1), characterized in that: The heat-conducting base (1) has multiple slots on one side, and heat dissipation fins (3) are provided inside the slots. The heat-conducting base (1) has a heat dissipation component on one side. The heat dissipation assembly includes a mesh frame (5), which is located on one side of the heat-conducting base (1). A mesh frame (6) is fixedly provided on one side of the mesh frame (5), and a connecting cylinder (7) is fixedly provided on one side of the mesh frame (6). A motor (8) is installed inside the connecting cylinder (7), and a fan blade (9) is fixedly connected to the output end of the motor (8). The fan blade (9) is sleeved on the outside of the connecting cylinder (7) and connected to the connecting cylinder (7) through a bearing. A plurality of support plates (17) are fixedly provided on one side of the mesh frame (5), and a connecting rod (15) is fixedly provided on one side of the support plate (17). A side groove (18) is opened on one side of the connecting rod (15). A plurality of through holes (20) are opened on one side of the heat-conducting base (1), and the connecting rod (15) passes through the through holes (20). A cross plate (10) is rotatably connected to the side of the heat-conducting base (1) away from the mesh frame (5), and the cross plate (10) is engaged with the side groove (18).

2. The LED heat sink with composite heat dissipation fins according to claim 1, characterized in that: The heat-conducting base (1) has a stud (11) threadedly connected to one side. A heat-conducting pad (13) is fixedly provided at one end of the stud (11), and a connecting plate (12) is fixedly provided on one side of the heat-conducting pad (13).

3. The LED heat sink with composite heat dissipation fins according to claim 2, characterized in that: A support column (14) is fixedly provided on one side of the wire frame (5), and the support column (14) is in contact with the connecting plate (12).

4. The LED heat sink with composite heat dissipation fins according to claim 2, characterized in that: A slot (19) is provided on one side of the connecting plate (12).

5. The LED heat sink with composite heat dissipation fins according to claim 1, characterized in that: The heat-conducting base (1) has multiple limiting grooves (16) on the side away from the mesh frame (5). The heat-conducting base (1) has a heat-conducting substrate (2) on one side. The heat-conducting substrate (2) has multiple locking blocks (21) fixed on one side. The locking blocks (21) extend into the limiting grooves (16) and engage with the limiting grooves (16).

6. The LED heat sink with composite heat dissipation fins according to claim 5, characterized in that: The heat-conducting substrate (2) has a screw (4) on one side, and the screw (4) is connected to the cross plate (10) by a thread.

7. The LED heat sink with composite heat dissipation fins according to claim 1, characterized in that: The connecting rod (15) is slidably connected to the through hole (20).

8. The LED heat sink with composite heat dissipation fins according to claim 2, characterized in that: The connecting plate (12) is made of thermally conductive silicone.

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