LED automobile headlamp capable of emitting light from multiple faces

Abstract

The utility model discloses an LED (light-emitting diode) automobile headlamp capable of emitting light from multiple surfaces. A driving assembly; the first light source plate is provided with a first light-emitting surface and a second light-emitting surface; the first fan structure is arranged in the lamp body and used for dissipating heat of the first light source plate; a second light source plate capable of emitting light is arranged on the first light source plate; when the driving assembly drives the first light source plate to be lightened, the second light source plate is synchronously lightened so as to illuminate a dark area between the first light-emitting surface and the second light-emitting surface. According to the utility model, the second light source plate is additionally arranged at the upper end of the first light source plate, so that a dark area perpendicular to the first light-emitting surface and the second light-emitting surface can be supplemented, and the second light source plate can shine no matter low beam or high beam, so that the shadow problem of the low beam or the high beam is effectively solved, the light is emitted more uniformly, and the brightness is improved. And the automobile headlamp is simple in structural design and suitable for being popularized and applied to various automobile headlamps.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, and particularly to a multi-surface light-emitting LED automobile headlamp. BACKGROUND

[0002] LED automobile headlamps are increasingly widely used in the market. Compared with traditional light sources, LED lamps have higher light efficiency, lower energy consumption, longer service life, environmental protection and other advantages. With the rapid development of the automobile industry and the improvement of consumer demand, LED technology gradually replaces traditional halogen lamps and xenon lamps, becoming the mainstream choice for modern automobile lighting. China, as one of the world's largest automobile markets, has a continuously expanding LED car light market.

[0003] Most of the LED automobile headlamps on the market have a double-sided light-emitting structure, i.e., near-light beads and far-light beads are provided on both sides of the light source board. For example, the Chinese utility model patent application with the patent announcement number CN221923173 U discloses an LED automobile headlamp with an explosion-proof function, which includes an LED lamp body, a heat dissipation fan provided on one side of the LED lamp body, a mounting bracket connected to the outer surface of the LED lamp body, a reflector fixedly connected to the side of the mounting bracket away from the heat dissipation fan, a heat dissipation device provided on the outer surface of the LED lamp body, and a collection piece. The wind blown out by the heat dissipation fan enters the inside of the delivery pipe through the collection piece and then flows out from the through hole into the inside of the reflector to blow and cool the LED lamp body, effectively preventing the LED lamp body from exploding and being damaged due to high temperature during long-term use.

[0004] However, the existing LED automobile headlamps still have the following shortcomings:

[0005] In the technical solution, the LED beads on the LED lamp body are respectively provided on both sides. Due to the light-emitting angle (120 degrees) of the LED beads and the shielding of the light source board between the beads, there will be a shadow that cannot be covered by light when emitting light vertically to the side of the light source board. Accordingly, the light emitted by the LED lamp body will also produce a dark area when paving the road, resulting in uneven light emission.

[0006] Therefore, the present inventors have proposed the following technical solution. UTILITY MODEL CONTENTS

[0007] The utility model aims to overcome the shortcomings of the prior art and provide a multi-surface light-emitting LED automobile headlamp.

[0008] To solve the above technical problems, the utility model adopts the following technical scheme: A LED automobile headlamp capable of multi-surface light emission, comprising: a lamp body; a driving assembly arranged in the lamp body; a first light source plate arranged in the lamp body and driven to emit light by the driving assembly, the first light source plate having a first light emitting surface and a second light emitting surface; a first fan structure arranged in the lamp body and used for heat dissipation of the first light source plate; a second light source plate capable of emitting light is arranged on the first light source plate; when the driving assembly drives the first light source plate to emit light, the second light source plate synchronously emits light to illuminate the dark area between the first light emitting surface and the second light emitting surface.

[0009] Further, in the above technical scheme, the driving assembly comprises: a driving plate and a driving adapter plate transversely inserted on the driving plate and used for connection and conduction with the first light source plate; the driving adapter plate is provided with a connecting slot, and the first light source plate is correspondingly provided with a connecting protrusion; wherein the driving adapter plate is provided with a plurality of first connection contacts on both sides of the connecting slot, and the connecting protrusion is correspondingly provided with a plurality of second connection contacts.

[0010] Further, in the above technical scheme, a second heat dissipation fan is arranged below the driving adapter plate and used for heat dissipation of hot air / heat inside the lamp body; a cooling copper pipe is arranged in the lamp body for cooling, the lamp body is recessed to form a copper pipe positioning groove for placing the cooling copper pipe, one end of the cooling copper pipe extends below the first light source plate, and the other end of the cooling copper pipe extends below the second heat dissipation fan.

[0011] Further, in the above technical scheme, the second light source plate is provided with a light supplementing lamp bead for light emission, and the second light source plate is arranged vertically on the first light source plate, the second light source plate is provided with an avoiding connecting slot for connecting the connecting protrusion of the first light source plate.

[0012] Further, in the above technical scheme, the first fan structure comprises a fan adapter plate connected to the first light source plate and a heat dissipation fan driven by the fan adapter plate for heat dissipation, the first light source plate is protrusively formed with an adapter protrusion for connection with the fan adapter plate, and the fan adapter plate is correspondingly provided with an adapter connecting hole.

[0013] Further, in the above technical scheme, the lamp body is further provided with a plug, the plug comprises a plug plate and a plurality of plug pins penetrating the plug plate, and the plug pins are formed with a connecting section penetrating the plug plate and connected to the driving assembly.

[0014] Further, in the technical scheme, the lamp body comprises a plurality of first locking screws, a first lamp shell, a second lamp shell fixed on the first lamp shell by the first locking screws, a second locking screw, and a pressing block fixed on the second lamp shell by the second locking screw.

[0015] Further, in the technical scheme, the first light-emitting surface is provided with first low-beam lamp beads and first high-beam lamp beads for emitting light, and the second light-emitting surface is provided with second low-beam lamp beads and second high-beam lamp beads for emitting light.

[0016] Further, in the technical scheme, the first lamp shell is provided with a first avoiding opening for the first low-beam lamp beads and the first high-beam lamp beads to protrude outward, and the second lamp shell is provided with a second avoiding opening for the second low-beam lamp beads and the second high-beam lamp beads to protrude outward.

[0017] Further, in the technical scheme, the second lamp shell is further provided with a second screw hole, the pressing block is provided with a pressing block through hole, the second locking screw passes through the pressing block through hole and is screwed into the second screw hole to lock and fix the pressing block through hole, the pressing block is provided with a pressing block heat dissipation hole for heat dissipation, and the pressing block is further extended to form a limiting cover portion for limiting the second light source plate.

[0018] Compared with the prior art, the utility model has the advantages that: in the utility model, the second light source plate is added to the upper end of the first light source plate, which can fill the dark area between the first light-emitting surface and the second light-emitting surface, and the second light source plate in the utility model will emit light whether it is low beam or high beam, effectively solving the problem of low beam / high beam shadow, making the light emission more uniform, and the structure design is simple, suitable for popularization and application to various automobile headlamps. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 is a schematic diagram of the exploded structure of the utility model;

[0021] Figure 3 is a schematic diagram of the exploded structure of the utility model;

[0022] Figure 4 is a schematic diagram of the structure of the first light source plate in the utility model;

[0023] Figure 5 is a schematic diagram of the structure of the driving adapter plate in the utility model;

[0024] Figure 6It is the structure schematic view of the fan adapter plate in the utility model;

[0025] Figure 7 It is the structure schematic view of the second light source plate in the utility model;

[0026] Figure 8 It is the light emitting angle schematic view of the light source plate in the prior art;

[0027] Figure 9 It is the light emitting angle schematic view of the first light source plate and the second light source plate in the utility model. DETAILED DESCRIPTION

[0028] The utility model is further explained in connection with specific implementation examples and drawings.

[0029] In combination Figures 1 to 9 As shown in the figure, it is a multi-surface light emitting LED automobile headlamp, which comprises a lamp body 1, a driving assembly 2 arranged in the lamp body 1, a first light source plate 3 arranged in the lamp body 1 and driven to emit light by the driving assembly 2, wherein the first light source plate 3 has a first light emitting surface 31 and a second light emitting surface 32, a first fan structure 4 arranged in the lamp body 1 and used for heat dissipation of the first light source plate 3, and a second light source plate 5 arranged on the first light source plate 3 and capable of emitting light, wherein when the driving assembly 2 drives the first light source plate 3 to light up, the second light source plate 5 synchronously lights up to illuminate the dark area between the first light emitting surface 31 and the second light emitting surface 32.

[0030] In the utility model, by additionally arranging the second light source plate 5 on the upper end of the first light source plate 3, the dark area between the first light emitting surface 31 and the second light emitting surface 32 can be filled up, compared with the prior art, the second light source plate 5 in the utility model can light up whether it is low beam or high beam, effectively solving the shadow problem of low beam / high beam, making the light emission more uniform, and the structure design is simple, which is suitable for popularization and application to various automobile headlamps.

[0031] The lamp body 1 comprises a plurality of first locking screws 11, a first lamp shell 12, a second lamp shell 13 fixedly connected to the first lamp shell 12 through the first locking screws 11, a second locking screw 14, and a pressing block 15 fixedly connected to the second lamp shell 13 through the second locking screw 14. The lamp body 1 is also provided with a plug 8, wherein the plug 8 comprises a plug plate 81 and a plurality of plug pins 82 penetrating through the plug plate 81, and the plug pins 82 are formed with a connecting section 811 penetrating through the plug plate 81 and connected to the driving assembly 2. Here, the plug pins 82 are welded and fixed after penetrating through the driving assembly 2, and the plug pins 82 can be directly connected to the driving assembly 2 after being electrically connected to the external socket.

[0032] The driving assembly 2 comprises a driving plate 21 and a driving adapter plate 22 transversely inserted on the driving plate 21 and used for connecting and conducting with the first light source plate 3; the driving adapter plate 22 is provided with a connecting clamping groove 221, and correspondingly, the first light source plate 3 is formed with a connecting protrusion 33; wherein the driving adapter plate 22 is provided with a plurality of first connecting contacts 221 on both sides of the connecting clamping groove 221, and correspondingly, the connecting protrusion 33 is provided with a plurality of second connecting contacts 331. Here, the driving adapter plate 22 is transversely inserted on the driving plate 21 and is welded and fixed, in addition, the connecting protrusion 33 of the first light source plate 3 can extend into the connecting clamping groove 221 of the driving adapter plate 22, and the first connecting contacts 221 and the second connecting contacts 331 are aligned and then welded and fixed; after the plug 8 is electrically connected with the external socket, the signal is converted through the driving plate 21 and is transmitted to the first light source plate 3 through the driving adapter plate 22, thereby controlling the on / off and the low beam / high beam of the first light source plate 3.

[0033] The second lamp shell 13 is also provided with a second screw hole 131, the pressing block 15 is provided with a pressing block through hole 151, the second locking screw 14 passes through the pressing block through hole 151 and is screwed into the second screw hole 131 to lock and fix the pressing block through hole 151; the pressing block 15 is provided with a pressing block heat dissipation hole 152 for heat dissipation, and the pressing block 15 is further extended and formed with a limiting cover portion 153 for limiting the second light source plate 5. Here, it can be understood that the second light source plate 5 is fixed with the first light source plate 3 after welding, in order to further improve the stability of the second light source plate 5 and avoid the vibration generated during vehicle driving from affecting the second light source plate 5, the pressing block 15 is specially set to reinforce it, specifically, the second light source plate 5 can be pressed by the limiting cover portion 153 to avoid accidental vibration / detachment of the second light source plate 5.

[0034] The second light source plate 5 is provided with a light supplement lamp bead 51 for emitting light, and the second light source plate 5 is vertically arranged on the first light source plate 3, and the second light source plate 5 is provided with an avoiding clamping groove 52 for clamping with the connecting protrusion 33 of the first light source plate 3. Figure 8 And Figure 9 As shown in Figs. 7 and 8, the light supplement lamp bead 51 faces upward, and the existing LED lamp bead has a light emitting angle of 120°, after the second light source plate 5 is arranged above the first light source plate 3, the dark area of the first light source plate 3 can be effectively completely supplemented, in addition, the avoiding clamping groove 52 is clamped with the connecting protrusion 33, which can play a preliminary limiting role, and then further reinforced by welding.

[0035] Below the drive adapter plate 22, a second cooling fan 6 is provided to dissipate heat from the inside of the lamp body 1. A cooling copper tube 7 is provided inside the lamp body 1, and a copper tube positioning groove 17 is recessed within the lamp body 1 to accommodate the cooling copper tube 7. One end of the cooling copper tube 7 extends below the first light source plate 3, and the other end extends below the second cooling fan 6. Here, compared to existing structures, in this embodiment, the second cooling fan 6 is positioned closer to the drive assembly 2, which is more conducive to dissipating the heat generated by the drive assembly 2 and effectively enhances the heat dissipation effect.

[0036] The first fan structure 4 includes a fan adapter plate 41 connected to the first light source plate 3 and a heat dissipation fan 42 driven by the fan adapter plate 41 for heat dissipation. The first light source plate 3 has a protruding adapter protrusion 34 for connecting with the fan adapter plate 41. Correspondingly, the fan adapter plate 41 has an adapter connection hole 411. Here, the first fan structure 4 is close to the first light source plate 3, which can provide better heat dissipation for the first light source plate 3.

[0037] The first light-emitting surface 31 is provided with a first low beam LED 311 and a first high beam LED 312 for emitting light; the second light-emitting surface 32 is provided with a second low beam LED 321 and a second high beam LED 322 for emitting light. The first lamp housing 12 has a first clearance opening 121 for the first low beam LED 311 and the first high beam LED 312 to be exposed outward; the second lamp housing 13 has a second clearance opening 122 for the second low beam LED 321 and the second high beam LED 322 to be exposed outward.

[0038] In summary, by adding a second light source plate 5 to the upper end of the first light source plate 3, the dark area between the first light-emitting surface 31 and the second light-emitting surface 32 can be filled in. Compared with the existing structure, the second light source plate 5 in this invention will illuminate both low beam and high beam, effectively solving the shadow problem of low beam / high beam, making the light emission more uniform, and the structure design is simple, making it suitable for widespread application in various automotive headlights.

[0039] Of course, the above description is only a specific embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. A multi-faceted light-emitting LED automobile headlamp, comprising: a lamp body (1); a driving assembly (2) arranged in the lamp body (1); a first light source plate (3) arranged in the lamp body (1) and driven by the driving assembly (2) to emit light, the first light source plate (3) having a first light-emitting surface (31) and a second light-emitting surface (32); a first fan structure (4) arranged in the lamp body (1) and used for heat dissipation of the first light source plate (3); characterized in that a second light source plate (5) capable of emitting light is arranged on the first light source plate (3); when the driving assembly (2) drives the first light source plate (3) to light up, the second light source plate (5) is synchronously lit up to illuminate a dark area between the first light-emitting surface (31) and the second light-emitting surface (32).

2. A multi-faceted light emitting LED automotive headlamp according to claim 1, wherein: the driving assembly (2) comprises a driving plate (21) and a driving adapter plate (22) transversely inserted into the driving plate (21) and used for connecting and conducting with the first light source plate (3); the driving adapter plate (22) is provided with a connecting slot (221), and correspondingly, the first light source plate (3) is formed with a connecting protrusion (33); wherein the driving adapter plate (22) is provided with a plurality of first connecting contacts (2211) on both sides of the connecting slot (221), and correspondingly, the connecting protrusion (33) is provided with a plurality of second connecting contacts (331).

3. A multi-faceted light emitting LED automotive headlamp according to claim 2, wherein: a second heat dissipation fan (6) is arranged below the driving adapter plate (22) and used for heat dissipation of hot air / heat inside the lamp body (1); a cooling copper pipe (7) is arranged in the lamp body (1) for cooling; the lamp body (1) is recessed to form a copper pipe positioning groove (17) for placing the cooling copper pipe (7), one end of the cooling copper pipe (7) extends below the first light source plate (3), and the other end of the cooling copper pipe (7) extends below the second heat dissipation fan (6).

4. A multi-faceted light emitting LED automotive headlamp according to claim 3, wherein: the second light source plate (5) is provided with a light supplementing lamp bead (51) for light emission, and the second light source plate (5) is arranged vertically on the first light source plate (3), the second light source plate (5) is provided with an avoiding slot (52) for clamping the connecting protrusion (33) of the first light source plate (3).

5. A multi-faceted light emitting LED automotive headlamp according to claim 1, wherein: the first fan structure (4) comprises a fan adapter plate (41) connected to the first light source plate (3) and a heat exhaust fan (42) driven by the fan adapter plate (41) for heat dissipation, the first light source plate (3) is formed with an adapter protrusion (34) for connecting with the fan adapter plate (41), and correspondingly, the fan adapter plate (41) is provided with an adapter connecting hole (411).

6. A multi-faceted light emitting LED automotive headlamp according to any one of claims 1-5, characterized in that: the lamp body (1) is further provided with a plug (8), the plug (8) comprises a plug plate (81) and a plurality of plug pins (82) inserted into the plug plate (81), the plug pin (82) is formed with a connecting section (811) penetrating through the plug plate (81) and connected to the driving assembly (2).

7. A multi-faceted light emitting LED automotive headlamp according to claim 6, wherein: The lamp body (1) comprises a plurality of first locking screws (11), a first lamp shell (12), a second lamp shell (13) locked and fixed to the first lamp shell (12) through the first locking screws (11), a second locking screw (14), and a pressing block (15) locked and fixed to the second lamp shell (13) through the second locking screw (14).

8. A multi-faceted light emitting LED automotive headlamp according to claim 7, wherein: The first light-emitting surface (31) is provided with first low-beam lamp beads (311) and first high-beam lamp beads (312) for emitting light; and the second light-emitting surface (32) is provided with second low-beam lamp beads (321) and second high-beam lamp beads (322) for emitting light.

9. A multi-faceted light emitting LED automotive headlamp according to claim 8, wherein: The first lamp shell (12) is provided with a first avoiding opening (121) for the first low-beam lamp beads (311) and the first high-beam lamp beads (312) to be exposed outward; and the second lamp shell (13) is provided with a second avoiding opening (122) for the second low-beam lamp beads (321) and the second high-beam lamp beads (322) to be exposed outward.

10. A multi-faceted light emitting LED automotive headlamp according to claim 7, wherein: The second lamp shell (13) is further provided with a second screw hole (131), the pressing block (15) is provided with a pressing block through hole (151), the second locking screw (14) passes through the pressing block through hole (151) and is screw-fixed in the second screw hole (131) to lock and fix the pressing block through hole (151); the pressing block (15) is provided with a pressing block heat dissipation hole (152) for heat dissipation, and the pressing block (15) is further extended and formed with a limiting cover portion (153) for limiting the second light source plate (5).

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