Heat dissipation structure for high-power LED car lamp

Abstract

The utility model relates to the technical field of LED car lamps, in particular to a heat dissipation structure for a high-power LED car lamp, which comprises a first frame, a second frame is arranged in the first frame, and one side of the second frame is fixed with the first frame through a plurality of connecting rods arranged at intervals; a plurality of vapor chambers which are arranged at intervals are arranged between the first frame and the second frame, each vapor chamber is annularly arranged between the first frame and the second frame, the front projection areas of the plurality of vapor chambers are gradually increased in sequence, and a plurality of ventilation grooves which are arranged at intervals are formed in the sides, away from the connecting rods, of the vapor chambers; a third frame is installed on the side, close to the connecting rod, of the first frame. When the heat dissipation structure for the high-power LED car lamp is used, the heat generated by the LED car lamp can be transferred to the vapor chamber and sent out by the exhaust fan through the contact between the vapor chamber and the LED car lamp housing, so that efficient heat dissipation operation is carried out on the LED car lamp.

Description

Technical Field

[0001] The utility model relates to the technical field of LED vehicle lamps, in particular to a heat dissipation structure for high-power LED vehicle lamps. Background Art

[0002] Headlights are an important part of a car, used to illuminate the surrounding environment while the car is driving so that the driver can see the surrounding road conditions clearly. LED headlights are a commonly used type of headlight. LED headlights refer to headlights that use light-emitting diodes (LEDs) as light sources. Because LEDs have the characteristics of high brightness, rich colors, low power consumption, and long life, LED headlights are widely used in the automotive field.

[0003] In order to improve the brightness of LED lights, many LED lights will achieve this by increasing the power, that is, increasing the current flowing through the LED. However, this will also cause the LED lights to generate more heat when in use. If the heat cannot be dissipated in time, the high temperature environment will accelerate the damage and aging of the LED light circuit, affecting the service life of the LED light. Utility Model Content

[0004] The purpose of the present invention is to solve the above-mentioned shortcomings in the prior art and to propose a heat dissipation structure for a high-power LED vehicle lamp.

[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical solution: a heat dissipation structure for a high-power LED vehicle lamp is designed, comprising a first frame, a second frame is arranged within the first frame, and one side of the second frame is fixed to the first frame by a plurality of spaced connecting rods;

[0006] A plurality of spaced-apart vapor chambers are provided between the first frame and the second frame. Each vapor chamber is arranged in a ring shape between the first frame and the second frame, and the front projection areas of the vapor chambers increase in sequence. A plurality of spaced-apart ventilation slots are provided on the side of the vapor chamber away from the connecting rod.

[0007] A third frame is installed on one side of the first frame close to the connecting rod, and at least two exhaust fans are arranged in the third frame.

[0008] Preferably, a connecting skirt is provided on one side of the first frame and the third frame that is relatively close to each other, and the connecting skirts are fixed by a plurality of fasteners arranged at intervals.

[0009] Preferably, the fastener is a screw or a bolt.

[0010] Preferably, a slot is provided at the bottom of the second frame, the slot passes through the bottom of the first frame, and partitions are provided on both sides of the slot.

[0011] Preferably, a side of the vapor chamber away from the connecting rod extends outside the first frame, and a silicone grease gasket is installed on the side of the vapor chamber away from the connecting rod.

[0012] Preferably, a U-shaped fixing piece is installed on the top of the first frame on the side away from the connecting rod, and a mounting seat is installed on the bottom of the first frame on the side away from the connecting rod.

[0013] Preferably, an elastic rubber pad is provided on the inner wall of the fixing member.

[0014] The design scheme proposed by the utility model has the following beneficial effects during application:

[0015] 1. The heat dissipation structure for high-power LED headlights can transfer the heat generated by the LED headlights to the heat spreader through the contact between the heat spreader and the LED headlight cover, and then the heat is sent out by the exhaust fan, thereby performing efficient heat dissipation operations on the LED headlights.

[0016] 2. The heat dissipation structure of this high-power LED headlight uses multiple annular heat spreaders to increase the contact area between the heat spreader and the LED headlight. In addition, the slotted design allows the connecting wires of the LED headlight to pass through the slot and extend outside the frame without affecting the normal power supply of the LED headlight.

[0017] 3. The heat dissipation structure of the high-power LED headlight is suspended on the LED headlight through a fixing piece. The first frame can be installed on the LED headlight by setting a bolt on the mounting base, which not only ensures the stable installation of the first frame, but also facilitates the removal of the first frame from the LED headlight. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 ;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 ;

[0020] Figure 3 This is an exploded view of the utility model;

[0021] Figure 4 This is an installation effect diagram of the utility model.

[0022] In the figure: 1. First frame; 2. Second frame; 3. Connecting rod; 4. Heat spreader; 5. Fixing piece; 6. Mounting seat; 7. Third frame; 8. Exhaust fan; 9. Connecting skirt; 10. Partition; 11. Ventilation slot. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] Reference Figures 1-4 A heat dissipation structure for a high-power LED vehicle lamp includes a first frame 1, a second frame 2 is arranged inside the first frame 1, and one side of the second frame 2 is fixed to the first frame 1 by a plurality of spaced connecting rods 3;

[0025] Among them, such as Figure 1 As shown, a U-shaped fixing member 5 is installed on the top of the first frame 1 away from the connecting rod 3, and a mounting base 6 is installed on the bottom of the first frame 1 away from the connecting rod 3. In actual use, the LED lamp (such as Figure 4 A protrusion is provided on the edge of one side of the first frame 1 (the position indicated by the arrow A in the middle) away from the lampshade, so that when the first frame 1 is installed, the first frame 1 can be hung on the protrusion of the LED lamp through the fixing member 5, and then the first frame 1 is fixed by passing the bolt through the mounting base 6. Due to the limitation of the fixing member 5, when only one bolt is provided on the mounting base 6, the first frame 1 can be stably installed. At the same time, the provision of one bolt also facilitates the subsequent removal of the first frame 1 from the LED lamp.

[0026] In order to ensure that the fixing part 5 fits tightly against the protrusion of the LED headlight, an elastic rubber pad is provided on the inner wall of the fixing part 5. As the bolts on the mounting base 6 are tightened, the rubber pad will also deform and exert an elastic force on the fixing part 5, which not only makes the fixing part 5 fit tightly against the protrusion, but also exerts a force on the fixing part 5, making the fixing part 5 more stable on the protrusion.

[0027] like Figure 1 and Figure 3 As shown, a plurality of spaced-apart vapor chambers 4 are provided between the first frame 1 and the second frame 2. Each vapor chamber 4 is annularly provided between the first frame 1 and the second frame 2, and the front projection areas of the plurality of vapor chambers 4 increase in sequence. A plurality of spaced-apart ventilation slots 11 are provided on a side of the vapor chamber 4 away from the connecting rod 3.

[0028] Specifically, the side of the heat spreader 4 away from the connecting rod 3 extends to the outside of the first frame 1. After the first frame 1 is installed on the LED headlight, the heat spreader 4 will contact the cover of the LED headlight, and a gap will be left between the first frame 1 and the cover to allow air to flow to the heat spreader 4; and a silicone grease gasket is installed on the side of the heat spreader 4 away from the connecting rod 3 to increase the rate at which heat from the LED headlight is transferred to the heat spreader 4.

[0029] A third frame 7 is installed on one side of the first frame 1 close to the connecting rod 3 . At least two exhaust fans 8 are provided in the third frame 7 to drive the air around the vapor chamber 4 to flow outward.

[0030] During use, as the exhaust fan 8 operates, the air around the frame will flow into the first frame 1 from the gap between the first frame 1 and the LED headlights, and the air will also pass through the ventilation slots 11 and come into contact with multiple heat spreaders 4, thereby taking away the heat from the heat spreaders 4. Finally, the high-temperature air will be discharged from the exhaust fan 8, thereby completing the heat dissipation of the LED headlights.

[0031] It should be noted that a connecting skirt 9 is provided on the side relatively close to the first frame 1 and the third frame 7. The connecting skirts 9 are fixed by a number of spaced fasteners. In actual use, the fasteners are screws or bolts, which facilitate the disassembly of the exhaust fan 8 on the first frame 1 so as to maintain and replace the exhaust fan 8.

[0032] After the first frame 1 is installed on the LED headlight, a slot is opened at the bottom of the second frame 2. The slot passes through the bottom of the first frame 1, and partitions 10 are provided on both sides of the slot. The power wires of the LED headlight can be passed through the slot to facilitate the placement of the wires of the LED headlight.

[0033] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heat dissipation structure for a high-power LED vehicle lamp, characterized by: It comprises a first frame (1), a second frame (2) is arranged inside the first frame (1), and one side of the second frame (2) is fixed to the first frame (1) via a plurality of spaced-apart connecting rods (3); A plurality of spaced-apart heat spreaders (4) are provided between the first frame (1) and the second frame (2), each heat spreader (4) being arranged in a ring shape between the first frame (1) and the second frame (2), and the frontal projection areas of the plurality of heat spreaders (4) are increased in sequence, and a plurality of spaced-apart ventilation slots (11) are provided on a side of the heat spreader (4) away from the connecting rod (3); A third frame (7) is installed on one side of the first frame (1) close to the connecting rod (3), and at least two exhaust fans (8) are arranged in the third frame (7).

2. The heat dissipation structure for a high-power LED vehicle lamp according to claim 1, characterized in that: A connecting skirt (9) is provided on a side relatively close to the first frame (1) and the third frame (7), and the connecting skirts (9) are fixed by a plurality of fasteners arranged at intervals.

3. The heat dissipation structure for a high-power LED vehicle lamp according to claim 2, characterized in that: A fastener is a type of screw or bolt.

4. The heat dissipation structure for a high-power LED vehicle lamp according to claim 1, characterized in that: A slot is provided at the bottom of the second frame (2), the slot passes through the bottom of the first frame (1), and partitions (10) are provided on both sides of the slot.

5. The heat dissipation structure for a high-power LED vehicle lamp according to claim 1, characterized in that: The side of the heat spreader (4) away from the connecting rod (3) extends outside the first frame (1), and a silicone grease gasket is installed on the side of the heat spreader (4) away from the connecting rod (3).

6. The heat dissipation structure for a high-power LED vehicle lamp according to claim 1, characterized in that: A curved "U"-shaped fixing member (5) is installed on the top of the first frame (1) away from the connecting rod (3), and a mounting seat (6) is installed on the bottom of the first frame (1) away from the connecting rod (3).

7. The heat dissipation structure for a high-power LED vehicle lamp according to claim 6, characterized in that: An elastic rubber pad is provided on the inner wall of the fixing member (5).

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