Car lamp with high heat dissipation performance

Abstract

The high-heat-dissipation vehicle lamp comprises a main frame, a lens arranged on the main frame and a light-emitting device arranged on the main frame, the main frame comprises a main frame body and a heat dissipation frame arranged on the main frame body, and a light-transmitting groove used for allowing light to penetrate through is formed in the main frame body; the light-emitting device is arranged on the heat dissipation frame, a plurality of side heat dissipation fins are arranged on the outer wall of the main frame body, and a plurality of bottom heat dissipation fins are arranged at the bottom of the heat dissipation frame. The light-emitting device comprises a first light-emitting assembly and a second light-emitting assembly, the first light-emitting assembly is arranged on the top face of the heat dissipation frame, a mounting plate is arranged on the top face of the heat dissipation frame, the second light-emitting assembly is located on the side, facing the light-transmitting groove, of the mounting plate, and a plurality of cooling fins are arranged on the side, away from the second light-emitting assembly, of the mounting plate. The automobile lamp has good heat dissipation performance.

Description

Technical Field

[0001] The present application relates to the field of vehicle lamp technology, and in particular to a vehicle lamp with high heat dissipation. Background Art

[0002] Headlights are important parts of electric vehicles. They generate light and heat energy during use. Continuous accumulation of heat energy without timely dissipation will cause the temperature of the headlights to rise, thus affecting the working efficiency and reliability of the headlights, and accelerating the light decay of the lamp beads inside the headlights, affecting the life of the headlights and the lighting effect. Therefore, in order to ensure long-term normal lighting, a headlight with better heat dissipation is needed. Utility Model Content

[0003] In order to improve the heat dissipation of a vehicle lamp and enable the vehicle lamp to operate stably for a long time, the present application provides a vehicle lamp with high heat dissipation.

[0004] The present application provides a high heat dissipation vehicle lamp, which adopts the following technical solution:

[0005] A high heat dissipation vehicle lamp comprises a main frame, a lens arranged on the main frame and a light-emitting device arranged on the main frame, wherein the main frame comprises a main frame body and a heat dissipation rack arranged on the main frame body, the main frame body is provided with a light-transmitting groove for allowing light to pass through; the light-emitting device is arranged on the heat dissipation rack, a plurality of side heat dissipation fins are arranged on the outer wall of the main frame body, and a plurality of bottom heat dissipation fins are arranged on the bottom of the heat dissipation rack.

[0006] By adopting the above technical solution, the light-emitting device is installed on the heat sink, and the heat sink dissipates the heat generated by the light-emitting device in time through a plurality of bottom heat sink fins, and the heat sink and the bottom heat sink are integrally formed during production, thereby improving the heat dissipation performance. At the same time, the side heat sink fins distributed on the outer wall of the main frame dissipate heat, thereby assisting the heat dissipation, so that the car lamp has good heat dissipation performance and prevents heat accumulation.

[0007] Optionally, the light-emitting device includes a first light-emitting component and a second light-emitting component, the first light-emitting component is arranged on the top surface of the heat dissipation frame, the top surface of the heat dissipation frame is provided with a mounting plate, the second light-emitting component is located on the side of the mounting plate facing the light-transmitting groove, and a plurality of heat sinks are provided on the side of the mounting plate away from the second light-emitting component.

[0008] By adopting the above technical solution, a heat sink is arranged to absorb the heat generated by the second light-emitting component and dissipate the heat in time.

[0009] Optionally, some of the heat sinks are in the shape of long strips, and are arranged at equal intervals.

[0010] By adopting the above technical solution, the heat sinks are arranged at equal intervals, which can dissipate heat evenly, so that the heat dissipation of the entire installation plate is even.

[0011] Optionally, there is one first light-emitting component, and there are two second light-emitting components. The two second light-emitting components are located on both sides of the first light-emitting component. The first light-emitting component includes a vertical circuit board disposed on the mounting plate, a lamp body disposed on the vertical circuit board, and a mounting screw disposed on the vertical circuit board. The mounting screw is used to fix the lamp body to the vertical circuit board, and the lamp body faces the lens.

[0012] By adopting the above technical solution, the first lamp group is mounted on the vertical circuit board and can be connected to a power source to energize the lamp body for light emission.

[0013] Optionally, the second light-emitting component includes a horizontal circuit board, lamp beads mounted on the horizontal circuit board, and a reflecting bowl disposed on the horizontal circuit board. The reflecting bowl faces the lens.

[0014] By adopting the above technical solution, the lamp beads and the reflecting bowl are cooperated to emit light and emit light rays, and the cooperation of the reflecting bowl and the lens can make the light shape more beautiful and the light brightness brighter.

[0015] Optionally, the lamp beads are integrally disposed on the horizontal circuit board.

[0016] By adopting the above technical solution, the lamp beads and the horizontal circuit board are integrated, which can reduce the use of wires for connection, facilitate assembly, and the lamp beads can emit light directly, so that the light source emits light directly.

[0017] Optionally, a connecting plate is connected between adjacent bottom heat dissipation fins.

[0018] By adopting the above technical solution, the connecting plate is provided to connect the bottom heat dissipation fins, strengthen the overall strength of the heat dissipation frame, increase the heat dissipation area, and improve the heat dissipation performance.

[0019] Optionally, the main frame is provided with positioning protrusions, and the heat dissipation frame is provided with positioning holes through which the positioning protrusions pass.

[0020] By adopting the above technical solution, the positioning protrusions and the positioning holes are cooperated to accurately position the heat dissipation frame and facilitate installation.

[0021] In summary, the present application includes at least one of the following beneficial technical effects:

[0022] 1. The lighting device is mounted on the heat dissipation frame. The heat dissipation frame dissipates the heat generated by the lighting device in time through a plurality of bottom heat dissipation fins. Moreover, the heat dissipation frame and the bottom heat dissipation fins are integrally formed during production, thereby improving the heat dissipation performance. At the same time, the side heat dissipation fins distributed on the outer wall of the main frame body dissipate heat, thereby assisting in heat dissipation, making the headlight have good heat dissipation performance and preventing heat accumulation;

[0023] 2. The positioning protrusions and positioning holes are arranged to cooperate with each other, so that the heat dissipation rack can be accurately positioned, which is convenient for installation;

[0024] 3. The lamp beads and the reflecting bowl are arranged to cooperate with each other to emit and project light, and the cooperation between the reflecting bowl and the lens can make the light shape more beautiful and the light brightness brighter;

[0025] 4. The lamp beads are integrated with the horizontal circuit board, which can reduce the use of wires for connection, facilitate assembly, and the lamp beads can emit light directly, so that the light source emits light directly. Description of the Drawings

[0026] Figure 1 It is a schematic diagram of the overall structure of the high heat dissipation headlight in the embodiment of the present application.

[0027] Figure 2 It is a schematic diagram of the structure of the heat dissipation rack in the embodiment.

[0028] Figure 3 It is a schematic diagram of the structure of the light emitting component in the embodiment.

[0029] Description of the reference numerals: 1, main frame; 11, main frame body; 12, heat dissipation rack; 2, lens; 3, light emitting device; 31, first light emitting component; 311, vertical circuit board; 312, lamp body; 313, mounting screw; 32, second light emitting component; 321, horizontal circuit board; 322, lamp bead; 323; reflecting bowl; 4, light transmission groove; 5, side heat dissipation fins; 6, bottom heat dissipation fins; 7, mounting plate; 8, heat dissipation fin; 9, connecting plate; 10, positioning protrusion; 13, positioning hole. Detailed Description of the Embodiment

[0030] The following will Figures 1-3 make a further detailed description of the present application.

[0031] The embodiment of the present application discloses a high heat dissipation headlight. Referring to Figure 1 and Figure 2 , it includes a main frame 1, a lens 2 mounted on the main frame 1, and a light emitting device 3 mounted on the main frame 1. The main frame 1 includes a main frame body 11 and a heat dissipation rack 12 mounted and fixed on the main frame body 11. A light transmission groove 4 for allowing light to pass through is formed on the main frame body 11. The light emitting device 3 is mounted on the heat dissipation rack 12. A plurality of side heat dissipation fins 5 are fixed on the outer wall of the main frame body 11. A plurality of bottom heat dissipation fins 6 are fixed at the bottom of the heat dissipation rack 12. The plurality of bottom heat dissipation fins 6 are arranged at intervals along the width direction of the heat dissipation rack 12.

[0032] Referring to Figure 1 and Figure 3The light emitting device 3 includes a first light emitting component 31 and a second light emitting component 32. The first light emitting component 31 is located on the top surface of the heat sink 12. The top surface of the heat sink 12 is equipped with a mounting plate 7. The second light emitting component 32 is located on the mounting plate 7 facing the light-transmitting groove 4 (see Figure 2 ), a plurality of heat sinks 8 are fixed to the side of the mounting plate 7 facing away from the second light-emitting component 32. The plurality of heat sinks 8 are in the shape of long strips, and the plurality of heat sinks 8 are arranged at equal intervals. One first light-emitting component 31 is installed, and two second light-emitting components 32 are installed, and the two second light-emitting components 32 are located on both sides of the first light-emitting component 31. The first light-emitting component 31 includes a vertical circuit board 311 installed on the mounting plate 7, a lamp body 312 installed on the vertical circuit board 311, and a mounting screw 313 installed on the vertical circuit board 311, and the mounting screw 313 is used to fix the lamp body 312 on the vertical circuit board 311, and the lamp body 312 is arranged toward the lens 2.

[0033] Reference Figure 2 and Figure 3 The second light emitting assembly 32 includes a horizontal circuit board 321, a lamp bead 322 fixed on the horizontal circuit board 321, and a reflective bowl 323 fixed on the horizontal circuit board 321, and the reflective bowl 323 faces the lens 2 (see Figure 1 ) is provided. The lamp beads 322 are integrally fixed on the horizontal circuit board 321. A connecting plate 9 is connected and fixed between adjacent bottom heat dissipation fins 6. A positioning protrusion 10 is fixed on the main frame 1, and a positioning hole 13 is opened on the heat dissipation frame 12 for the positioning protrusion 10 to pass through.

[0034] The implementation principle of a high heat dissipation vehicle lamp in an embodiment of the present application is as follows: the light-emitting device 3 is installed on a heat dissipation frame 12, and the heat dissipation frame 12 dissipates the heat generated by the light-emitting device 3 in time through a plurality of bottom heat dissipation fins 6, and the heat dissipation frame 12 and the bottom heat dissipation fins 6 are integrally formed during production, thereby improving the heat dissipation. At the same time, the side heat dissipation fins 5 distributed on the outer wall of the main frame 11 dissipate heat, thereby assisting the heat dissipation, so that the vehicle lamp has good heat dissipation and prevents heat accumulation.

[0035] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A high heat dissipation vehicle headlight, comprising a main frame (1), a lens (2) disposed on the main frame (1), and a light emitting device (3) disposed on the main frame (1), characterized in that: The main frame (1) comprises a main frame body (11) and a heat dissipation frame (12) arranged on the main frame body (11), the main frame body (11) being provided with a light-transmitting groove (4) for light to pass through; the light-emitting device (3) is arranged on the heat dissipation frame (12), a plurality of side heat dissipation fins (5) are arranged on the outer wall of the main frame body (11), and a plurality of bottom heat dissipation fins (6) are arranged at the bottom of the heat dissipation frame (12).

2. The high heat dissipation headlamp according to claim 1, characterized in that: The light-emitting device (3) comprises a first light-emitting component (31) and a second light-emitting component (32); the first light-emitting component (31) is arranged on the top surface of a heat sink (12); a mounting plate (7) is arranged on the top surface of the heat sink (12); the second light-emitting component (32) is located on a side of the mounting plate (7) facing the light-transmitting groove (4); and a plurality of heat sinks (8) are arranged on a side of the mounting plate (7) facing away from the second light-emitting component (32).

3. The high heat dissipation headlamp according to claim 2, wherein: A plurality of the heat sinks (8) are in the shape of long strips, and a plurality of the heat sinks (8) are arranged at equal intervals.

4. The high heat dissipation headlight according to claim 2, wherein: The first light-emitting component (31) is provided with one, and the second light-emitting component (32) is provided with two, the two second light-emitting components (32) are located on both sides of the first light-emitting component (31), the first light-emitting component (31) comprises a vertical circuit board (311) arranged on the mounting plate (7), a lamp body (312) arranged on the vertical circuit board (311), and a mounting screw (313) arranged on the vertical circuit board (311), the mounting screw (313) being used to fix the lamp body (312) on the vertical circuit board (311), and the lamp body (312) is arranged toward the lens (2).

5. The high heat dissipation headlamp according to claim 4, wherein: The second light-emitting component (32) comprises a horizontal circuit board (321), a lamp bead (322) mounted on the horizontal circuit board (321), and a reflective bowl (323) arranged on the horizontal circuit board (321), wherein the reflective bowl (323) is arranged toward the lens (2).

6. The high heat dissipation headlamp according to claim 5, wherein: The lamp beads (322) are integrally arranged on the horizontal circuit board (321).

7. The high heat dissipation headlight according to claim 1, wherein: A connecting plate (9) is connected between adjacent bottom heat dissipation fins (6).

8. The high heat dissipation headlamp according to claim 1, characterized in that: The main frame (1) is provided with a positioning protrusion (10), and the heat dissipation frame (12) is provided with a positioning hole (13) through which the positioning protrusion (10) passes.

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