LED (light-emitting diode) automobile headlamp with directly-inserted lens

Abstract

The LED automobile headlamp comprises a lamp body, a light source plate, the lens, a fan, a driving plate and a plug, a through hole for containing and installing the fan is formed in the light source plate, and the light source plate is electrically connected and conducted with the fan through two first contact pins; and the driving plate is arranged at the opening at one side of the through hole and fixed on the plug, and the driving plate is welded and fixed at one end of the light source plate through two second contact pins and is electrically conducted. The through hole is dug in the light source plate, and the fans are placed in the through hole and are symmetrically arranged by taking the light source plate as the center, so that the transverse width of the lamp body is reduced, and the size of the lamp is further reduced. And secondly, after the fan and the driving plate are arranged in the through holes of the light source plate, the fan and the driving plate can be directly and electrically connected to the light source plate through the first contact pins and the second contact pins, connection through wires is not needed, the interior of the lamp body is neater, and the assembling efficiency and the stability of internal connection are greatly improved.

Description

Technical field:

[0001] The utility model relates to the technical field of vehicle lamps, in particular to an LED vehicle headlamp with a direct-insertion lens. Background technology:

[0002] LED car headlights are a type of car headlight that uses light-emitting diodes (LEDs) as a light source. Compared with traditional halogen lamps and xenon lamps, LED headlights have many advantages, including high brightness, long life, energy saving and environmental protection.

[0003] At present, the LED car headlights on the market mainly include LED chips, lenses, reflectors, heat dissipation systems and drive circuits, such as: a simple installation LED car light with integrated high and low beams with Chinese patent application number 202122249095.9. In this patent, the cooling fan 9 is arranged on one side of the mounting plate 1, which not only causes the lateral width to be too large, but also causes the cooling fan 9 to be connected to the drive circuit through a longer wire, which makes the overall volume of the car light large and there are too many cables inside, affecting the heat dissipation and stability of use.

[0004] In view of this, the inventor proposes the following technical solution. Utility model content:

[0005] The utility model aims to overcome the deficiencies of the prior art and provide an LED automobile headlight with a direct-insertion lens.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions: an LED automobile headlight with a direct-insert lens, comprising: a lamp body, a light source board, a lens, a fan, a driving board and a plug, wherein the light source board is provided with a through hole for accommodating and installing the fan, and is electrically connected to the fan through two first pins; the driving board is arranged at an opening on one side of the through hole and fixed on the plug, and the driving board is welded and fixed to one end of the light source board through two second pins and is electrically conductive.

[0007] Furthermore, in the above technical solution, an adapter board is also provided on one side of the fan, and two first pins penetrate the adapter board, and the adapter board, the fan, the driving board and the plug are sequentially arranged and distributed along the longitudinal direction of the light source board.

[0008] Furthermore, in the above technical solution, a bracket for mounting a supporting lens is further provided on the lamp body, and a reflective cup located on one side of the light source board and used for reflecting light onto the lens is installed on the bracket.

[0009] Furthermore, in the above technical solution, the LED chip on the light source board extends out from one end of the lamp body, and a protrusion extending to the back of the light source board is provided at one end of the lamp body; the bottom end of the bracket is buckled to one end of the lamp body, and is installed and fixed by a first bolt, and the first bolt also passes through the light source board.

[0010] Furthermore, in the above technical solution, the reflective cup is mounted on the bracket by two second bolts and is symmetrically located on both sides of the bracket with the raised portion, and the reflective cup is directly opposite to the LED chip.

[0011] Furthermore, in the above technical solution, the lens is installed at the top of the bracket, and is arranged in sequence along the longitudinal direction of the light source board with the adapter board, fan, drive board and plug; the reflective cup is a quarter-spherical shape to reflect the light emitted by the LED chip located on the side of the light source board to the lens at the top of the light source board.

[0012] Furthermore, in the above technical solution, the lamp body includes a left lamp shell and a right lamp shell that are relatively buckled and tightly held together, and a chuck is mounted on the outer wall of the left lamp shell and the right lamp shell, and the chuck is fixed to the lamp body by two screws.

[0013] Furthermore, in the above technical solution, the left lamp housing and the right lamp housing are also provided with a plurality of heat dissipation holes located at the periphery of the fan.

[0014] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art: the utility model adopts a through hole dug on the light source board, and by placing the fan in the through hole and symmetrically centered on the light source board, the lateral width of the lamp body is reduced, thereby reducing the volume of the lamp. Secondly, after the fan and the drive board are arranged in the through hole of the light source board, the fan and the drive board can be directly electrically connected to the light source board by the first pin and the second pin, without the need for connection with wires, making the interior of the lamp body neater, and greatly improving the assembly efficiency and the stability of the internal connection. Description of the drawings:

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 It is an exploded view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the utility model;

[0018] Figure 4 It is the internal structure diagram of the utility model. Specific implementation method:

[0019] The utility model is further described below in conjunction with specific embodiments and drawings.

[0020] See Figures 1 to 4 As shown, a LED automobile headlight with a direct-insertion lens includes a lamp body 1, a light source board 2, a lens 3, a fan 4, a driving board 5 and a plug 6. The light source board 2 is provided with a through hole 20 for accommodating and installing the fan 4, and is electrically connected to the fan 4 through two first pins 21; the driving board 5 is arranged at an opening 200 on one side of the through hole 20 and fixed on the plug 6, and the driving board 5 is welded and fixed to one end of the light source board 2 through two second pins 51 and is electrically connected. A through hole 20 is dug on the light source board 2, and the fan 4 is placed in the through hole 20 and symmetrically arranged with the light source board 2 as the center, so as to reduce the lateral width of the lamp body 1 and thus reduce the volume of the lamp. Secondly, after the fan 4 and the driving board 5 are arranged in the through hole 20 of the light source board 2, the fan 4 and the driving board 5 can be electrically connected to the light source board 2 directly by the first pin 21 and the second pin 51, without the need to connect them with wires, thereby making the interior of the lamp body 1 tidier and greatly improving the assembly efficiency and the stability of the internal connection.

[0021] An adapter plate 7 is also provided on one side of the fan 4, and two first pins 21 penetrate the adapter plate 7, and the adapter plate 7, the fan 4, the drive plate 5 and the plug 6 are sequentially arranged and distributed along the longitudinal direction of the light source board 2. The fan 4 and the drive plate 5 are longitudinally arranged on the light source board 2, and the fan 4 is between the LED chip 22 of the light source board 2 and the drive plate 5, so that the airflow generated by the fan 4 when working can dissipate heat for the LED chip 22 and the drive plate 5 at the same time, and the drive plate 5 is separated from the LED chip 22, which can prevent local heat concentration and avoid high temperature burning of the chip, thereby improving the service life of the car lamp.

[0022] The lamp body 1 is also provided with a bracket 8 for mounting and supporting the lens 3, and the bracket 8 is provided with a reflector 9 located on one side of the light source board 2 and used for reflecting light onto the lens 3. The lens 3 is fixed to the top of the bracket 8 through a top cover 30.

[0023] The LED chip 22 on the light source board 2 extends out from one end of the lamp body 1, and a protrusion 13 extending to the back of the light source board 2 is provided at one end of the lamp body 1; the bottom end of the bracket 8 is buckled on one end of the lamp body 1, and is installed and fixed by a first bolt A, and the first bolt A also penetrates the light source board 2.

[0024] The reflective cup 9 is mounted on the bracket 8 by two second bolts B and is symmetrically located on both sides of the bracket 8 with respect to the raised portion 13 , and the reflective cup 9 is directly opposite to the LED chip 22 .

[0025] The lens 3 is installed on the top of the bracket 8, and is arranged in sequence along the longitudinal direction of the light source board 2 with the adapter board 7, the fan 4, the drive board 5 and the plug 6; the reflective cup 9 is in the shape of a quarter sphere to reflect the light emitted by the LED chip 22 located on the side of the light source board 2 to the lens 3 located at the top of the light source board 2.

[0026] The lamp body 1 includes a left lamp housing 11 and a right lamp housing 12 which are relatively buckled and tightly held together, and a chuck 10 is sleeved and installed on the outer wall of the left lamp housing 11 and the right lamp housing 12, and the chuck 10 is fixed to the lamp body 1 by two screws C. The left lamp housing 11 and the right lamp housing 12 are also provided with a plurality of heat dissipation holes 14 located outside the fan 4.

[0027] To sum up, when assembling the utility model, firstly, the positive and negative electrodes of the fan 4 are passed through the adapter plate 7 through the first pin 21 and then welded and fixed, and then the welded adapter plate 7 and the fan 4 are fixedly docked into the through hole 20 of the light source board 2 through a jig, and the first pin 21 is welded to the conductive position of the light source board 2; further, the two protruding terminals of the plug 6 are first inserted into the conductive holes of the driving board 5 and then welded and fixed, and then the welded plug 6 and the driving board 5 are fixedly docked to the opening 200 of the light source board 2 through a jig, and the driving board is fixed through the second pin 51. 5 is welded to the conductive position of the light source board 2; further, the welded light source board 2 is assembled into the lamp body 1, and then the chuck 10 is sleeved on the lamp body 1, and the chuck 10 is locked and fixed to the outside of the lamp body 1 by the base screw C; further, the lens 3 is installed on the top of the bracket 8 and fixed by the top cover 30, and then the reflective cup 9 is connected to the installation position of the bracket 8 and locked and fixed by the second bolt B; further, the bottom of the bracket 8 is sleeved on the top of the lamp body 1, and the first bolt A is passed through the bracket 8 to lock and fix it, thereby completing the assembly of the car lamp.

[0028] Of course, the above description is only a specific embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. Any equivalent changes or modifications made according to the structure, characteristics and principles described in the patent application scope of the present invention should be included in the patent application scope of the present invention.

Claims

1. An LED automobile headlight with a direct-insertion lens, comprising a lamp body (1), a light source board (2), a lens (3), a fan (4), a drive board (5) and a plug (6), characterized in that: The light source board (2) is provided with a through hole (20) for accommodating and installing a fan (4), and is electrically connected to the fan (4) via two first plug pins (21); the drive board (5) is arranged at an opening (200) on one side of the through hole (20) and is fixed on the plug (6), and the drive board (5) is welded and fixed to one end of the light source board (2) via two second plug pins (51) and is electrically connected.

2. The LED automobile headlight with a direct-insertion lens according to claim 1, characterized in that: An adapter plate (7) is also provided on one side of the fan (4), and two first pins (21) penetrate the adapter plate (7). The adapter plate (7), the fan (4), the drive plate (5) and the plug (6) are sequentially arranged and distributed along the longitudinal direction of the light source plate (2).

3. The LED automobile headlight with a direct-insertion lens according to claim 1, characterized in that: The lamp body (1) is also provided with a bracket (8) for mounting a supporting lens (3), and a reflective cup (9) is mounted on the bracket (8) and is located on one side of the light source plate (2) and is used to reflect light onto the lens (3).

4. The LED automobile headlight with a direct-insertion lens according to claim 3, characterized in that: The LED chip (22) on the light source board (2) extends out from one end of the lamp body (1), and one end of the lamp body (1) is provided with a protrusion (13) extending to the back of the light source board (2); the bottom end of the bracket (8) is buckled to one end of the lamp body (1) and is installed and fixed by a first bolt (A) penetrating therethrough, and the first bolt (A) also penetrates the light source board (2).

5. The LED automobile headlight with a direct-insertion lens according to claim 4, characterized in that: The reflective cup (9) is mounted on the bracket (8) via two second bolts (B) and is symmetrically located with the raised portion (13) on both sides of the bracket (8), and the reflective cup (9) is directly opposite to the LED chip (22).

6. The LED automobile headlight with a direct-insertion lens according to claim 3, characterized in that: The lens (3) is mounted on the top of the bracket (8) and is arranged in sequence along the longitudinal direction of the light source board (2) together with the adapter board (7), the fan (4), the drive board (5) and the plug (6); the reflector cup (9) is in the shape of a quarter sphere so as to reflect light emitted by the LED chip (22) located on the side of the light source board (2) to the lens (3) located at the top of the light source board (2).

7. The LED automobile headlight with a direct-insertion lens according to any one of claims 1 to 6, characterized in that: The lamp body (1) comprises a left lamp housing (11) and a right lamp housing (12) which are relatively buckled and tightly held together, and a chuck (10) is sleeved and installed on the outer walls of the left lamp housing (11) and the right lamp housing (12), and the chuck (10) is fixed to the lamp body (1) by two screws (C).

8. The LED automobile headlight with a direct-insertion lens according to claim 7, characterized in that: The left lamp housing (11) and the right lamp housing (12) are also provided with a plurality of heat dissipation holes (14) located at the periphery of the fan (4).

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