An LED heat sink

Abstract

The utility model relates to LED heat dissipation technical field especially relates to a kind of LED radiator, including the equal interval and splicing together of several heat dissipation fins, the surface of heat dissipation fin is equipped with several water inlet holes and several water outlet holes, several water inlet holes and several water outlet holes are respectively equipped with several U-shaped pipes, the water inlet and water outlet of several U-shaped pipes are located in the same horizontal plane, and the water inlet of several U-shaped pipes is respectively connected with the same main water inlet pipe by several branch water inlet pipes, the water outlet of several U-shaped pipes is respectively connected with the same main water outlet pipe by several branch water outlet pipes;The heat dissipation fin of the utility model is spliced together, can be combined according to the heat dissipation area of LED device, and the scope of application is wide, and the uniformity of heat transfer can be also guaranteed, beneficial to heat dissipation, simultaneously, the setting of U-shaped pipe increases the flow path of water flow in heat dissipation fin, can effectively take away the heat on heat dissipation fin, effectively improves heat dissipation efficiency.

Description

Technical Field

[0001] This utility model relates to the field of LED heat dissipation technology, and in particular to an LED heat sink. Background Technology

[0002] In LED lighting and display equipment, LED components generate a lot of heat during operation. If this heat cannot be dissipated in a timely and effective manner, it will cause the temperature of the LED components to rise, thereby affecting their luminous efficiency, lifespan, and even causing damage. Currently, most LED heat sinks on the market adopt a one-piece molded heat sink structure, which cannot be combined according to the required number of heat sinks. If more or fewer heat sinks are needed, additional processing and production are required. This makes them unsuitable for various installation scenarios. Furthermore, existing heat sinks rely solely on air cooling, resulting in a relatively simple heat dissipation method and a lack of other heat dissipation media such as water cooling, leading to low heat dissipation efficiency. Summary of the Invention

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide an LED heat sink to solve the problems of low heat dissipation efficiency and inapplicability to various installation scenarios of existing LED heat sinks.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: An LED heat sink includes several heat sinks with equal spacing and joined together. The surface of the heat sink has several water inlet holes and several water outlet holes. Several U-shaped tubes are inserted through the several water inlet holes and several water outlet holes. The water inlets and outlets of the several U-shaped tubes are located on the same horizontal plane. The water inlets of the several U-shaped tubes are connected to the same main water inlet pipe through several branch water inlet pipes. The water outlets of the several U-shaped tubes are connected to the same main water outlet pipe through several branch water outlet pipes.

[0005] Furthermore, each of the four corners of the heat sink has a connecting portion, and the connecting portion has a slot. On the side of the connecting portion opposite to the heat sink, there is also a limiting portion that can be embedded in the slot of another heat sink. The heat sink is located in the slot and has a limiting protrusion that limits and cooperates with the limiting portion of another heat sink. Several heat sinks are combined together through the limiting cooperation of the limiting portion and the limiting protrusion.

[0006] Furthermore, the number of water inlets is 2, and the number of water outlets is 2. The two water inlets are symmetrically distributed vertically at one end of the heat sink, and the two water outlets are symmetrically distributed vertically at the other end of the heat sink.

[0007] Furthermore, a fan is also provided on one side of several of the heat sinks.

[0008] Furthermore, the number of heat sinks is 12-24, which is a range that ensures sufficient heat dissipation area while avoiding an excessively large overall size of the heat sink.

[0009] Compared with the prior art, the LED heat sink provided by this utility model has the following beneficial effects: The heat sink of this invention can be assembled by splicing together, and can be combined according to the heat dissipation area of ​​the LED device. It has a wide range of applications and can also ensure the uniformity of heat transfer, which is conducive to heat dissipation. At the same time, the U-shaped tube increases the flow path of water in the heat sink, which can effectively remove the heat on the heat sink and effectively improve the heat dissipation efficiency.

[0010] The splicing and assembly method involves connecting the four corners of the heat sink through the cooperation of limiting parts, slots, and limiting protrusions. This simple connection structure facilitates easy installation and ensures the stability of the heat sink after connection, preventing loose connections from affecting the heat dissipation effect. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this utility model; Figure 2 This is a schematic diagram of the structure of the heat sink of this utility model; Figure 3 for Figure 2 Enlarged diagram of point A in the diagram; Figure 4 This is a schematic diagram of the overall structure of Embodiment 2 of this utility model.

[0012] The following are the labels in the diagram: 1. Heat sink; 2. Water inlet; 3. Water outlet; 4. U-shaped tube; 5. Branch water inlet pipe; 6. Main water inlet pipe; 7. Outlet water inlet pipe; 8. Main outlet pipe; 9. Connecting part; 10. Slot; 11. Limiting part; 12. Limiting protrusion; 13. Fan. Detailed Implementation

[0013] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0014] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0015] Example 1: As Figure 1-3As shown, an LED heat sink includes 16 heat sinks 1 with equal spacing and spliced ​​together. The surface of the heat sink 1 has two water inlet holes 2 and two water outlet holes 3. The two water inlet holes 2 are symmetrically distributed vertically at one end of the heat sink 1, and the two water outlet holes 3 are symmetrically distributed vertically at the other end of the heat sink 1. Each of the two water inlet holes 2 and the two water outlet holes 3 is respectively connected to two U-shaped pipes 4. The water inlet and water outlet of the two U-shaped pipes 4 are located on the same horizontal plane, and the water inlet of the two U-shaped pipes 4 is connected to the same main water inlet pipe 6 through two branch water inlet pipes 5. The water outlet of the two U-shaped pipes 4 is connected to the same main water outlet pipe 8 through two branch water outlet pipes 7. Both the U-shaped tube 4 and the heat sink 1 are made of aluminum alloy, which has good thermal conductivity. The coolant (or tap water) enters from the main inlet pipe 6, flows into the two U-shaped tubes 4 through the two branch inlet pipes 5, and finally flows into the main outlet pipe 8 from the two outlet pipes 7. Since the U-shaped tube 4 is in direct contact with the heat sink 1, the heat sink 1, which receives heat, will transfer heat to the U-shaped tube 4, and then the coolant in the U-shaped tube 4 will absorb the heat, thereby achieving the heat dissipation effect of the heat sink 1 and rapidly cooling down.

[0016] Of course, the water inlet hole 2 and water outlet hole 3 on the heat sink 1 can be increased or decreased depending on the configuration of the U-shaped tube 4.

[0017] Each of the four corners of the heat sink 1 has a connecting part 9, and the connecting part 9 has a slot 10. On the side of the connecting part 9 opposite to the heat sink 1, a limiting part 11 extends to fit into the slot 10 of another heat sink 1. The heat sink 1 is located in the slot 10 and has a limiting protrusion 12 that limits and engages with the limiting part 11 of another heat sink 1. The 16 heat sinks 1 are respectively joined together by the limiting engagement of the corresponding limiting part 11 and limiting protrusion 12. The connection between each heat sink 1 is realized through the mutual limiting and engaging action of the slot 10, limiting part 11 and limiting protrusion 12 of the connecting part 9. The installation method is simple and the operation is convenient.

[0018] The number of heat sinks 1 is 12-24. This range of numbers can ensure the heat dissipation area while avoiding the overall size of the heat sink being too large.

[0019] Example 2 differs from Example 1 in that: Figure 4 As shown, a fan 13 is also bolted to one side of each of the 16 heat sinks 1. The airflow of the fan 13 is directed toward the heat sink 1, which can accelerate the airflow around the heat sink 1 and assist in heat dissipation.

[0020] When this LED heat sink is working, coolant (or tap water) flows in from the main inlet pipe 6, and is distributed to the inlets of each U-shaped pipe 4 via the branch inlet pipe 5. During the flow of the coolant in the U-shaped pipe 4, it absorbs the heat transferred from the LED components on the heat sink 1, and then flows out from the outlet of the U-shaped pipe 4 with the heat, and is collected in the branch outlet pipe 7 to the main outlet pipe 8, and finally discharged from the main outlet pipe 8. At the same time, the fan 13 continues to work, accelerating the airflow around the heat sink 1, and further dissipating the heat on the heat sink 1 into the air, achieving efficient heat dissipation.

[0021] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. An LED heat sink, characterized in that, It includes several heat sinks (1) with equal spacing and spliced ​​together. Several water inlets (2) and several water outlets (3) are opened on the surface of the heat sinks (1). Several U-shaped pipes (4) are respectively inserted through the several water inlets (2) and several water outlets (3). The water inlets and water outlets of the several U-shaped pipes (4) are located on the same horizontal plane. The water inlets of the several U-shaped pipes (4) are respectively connected to the same main water inlet pipe (6) through several branch water inlets (5). The water outlets of the several U-shaped pipes (4) are respectively connected to the same main water outlet pipe (8) through several branch water outlet pipes (7).

2. The LED heat sink according to claim 1, characterized in that, Each of the four corners of the heat sink (1) has a connecting part (9), and the connecting part (9) has a slot (10). The connecting part (9) also extends to one side of the heat sink (1) and has a limiting part (11) that can be embedded in the slot (10) of another heat sink (1). The heat sink (1) is located in the slot (10) and has a limiting protrusion (12) that limits and cooperates with the limiting part (11) of another heat sink (1). Several heat sinks (1) are combined together through the limiting cooperation of the limiting part (11) and the limiting protrusion (12).

3. The LED heat sink according to claim 1, characterized in that, The number of water inlet holes (2) is 2, the number of water outlet holes (3) is 2, the two water inlet holes (2) are symmetrically distributed at one end of the heat sink (1), and the two water outlet holes (3) are symmetrically distributed at the other end of the heat sink (1).

4. The LED heat sink according to claim 1, characterized in that, A fan (13) is also provided on one side of several of the heat sinks (1).

5. An LED heat sink according to claim 1, characterized in that, The number of heat sinks (1) is 12-24.

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