In-line LED automotive headlights

Abstract

This utility model discloses a direct-insertion LED automotive headlight, belonging to the field of lighting technology. It includes a housing, with an LED light panel at the top inside the housing. Heat sink fins are fixedly connected to both sides of the LED light panel. A cooling fan is fixedly installed below the heat sink fins, and a driver board is fixedly installed below the cooling fan. A power plug is connected to the end of the driver board away from the cooling fan. A light-shielding plate extends from the end of the housing near the LED light panel towards the LED light panel to block one side of the LED light panel. The light-shielding plate and the housing are integrated. This utility model integrates light source, driver, and heat dissipation functions into one compact design. Its small size allows for 1:1 size reproduction of halogen lamp installation, replicating the light pattern of halogen lamps.

Description

Technical Field

[0001] This utility model belongs to the field of lighting technology, and more specifically, relates to a through-hole LED automotive headlight. Background Technology

[0002] With the rapid development of automotive intelligence and lighting technology, users' needs are also gradually increasing. Currently, LED headlights on the market are large in size and cannot be replicated 1:1 in size as halogen lamps, making them unsuitable for installation on some smaller vehicles. At the same time, small-sized LED headlights have poor heat dissipation performance and a high failure rate, making it impossible to install LED headlights on smaller vehicles. Utility Model Content

[0003] The main purpose of this utility model is to provide a direct-insertion LED automotive headlight that uses finned heat dissipation to improve heat dissipation effect. It has a compact structure and small size, which can meet the 1:1 reproduction size installation of halogen lamps.

[0004] According to a first aspect of the present invention, a through-hole LED automotive headlight is provided, comprising a housing, an LED light panel disposed at the top of the housing, heat dissipation fins fixedly connected to both sides of the LED light panel, a cooling fan fixedly mounted below the heat dissipation fins, a driver board fixedly mounted below the cooling fan, a power plug connected to the end of the driver board away from the cooling fan, and a light shield extending from the end of the housing near the LED light panel toward the LED light panel to block one side of the LED light panel, the light shield being integrally formed with the housing.

[0005] In a specific embodiment of this utility model, a plurality of LED beads are symmetrically arranged on the LED light board.

[0006] In a specific embodiment of this utility model, the light-shielding sheet is symmetrically arranged at one end of the housing near the LED light panel, and the side of the light-shielding sheet near the LED light panel is inclined.

[0007] In a specific embodiment of this utility model, a plurality of locking protrusions are provided in the middle of the housing.

[0008] In a specific embodiment of this utility model, the heat dissipation fins are formed by bending aluminum sheets, and the heat dissipation fins are welded to both sides of the LED light board.

[0009] In a specific embodiment of this utility model, a through hole is provided at the bottom of the LED light board, and the cooling fan is disposed in the through hole. Both the LED light board and the cooling fan are connected to the driver board.

[0010] In a specific embodiment of this utility model, a plurality of heat dissipation holes are provided in the middle of the housing, and the heat dissipation holes are disposed on the outer periphery of the cooling fan.

[0011] In a specific embodiment of this utility model, an air outlet is also provided in the middle of the housing, and the air outlet is disposed between the LED light panel and the heat dissipation fins.

[0012] In a specific embodiment of this utility model, the housing includes a left housing and a right housing, and the left housing and the right housing are fixedly connected by screws.

[0013] In a specific embodiment of this utility model, the bottom ends of the left and right housings are provided with limiting protrusions, the limiting protrusions are provided with locking blocks, the power plug is provided with a concave ring that cooperates with the limiting protrusions, and the concave ring is provided with a groove that cooperates with the locking blocks.

[0014] One of the above-described technical solutions of this utility model has at least one of the following advantages or beneficial effects:

[0015] This through-hole LED automotive headlight has heat sink fins fixedly connected to the LED light board, which facilitates the rapid transfer of heat from the LED light board to the heat sink fins. A cooling fan is installed below the heat sink fins to improve heat dissipation. A driver board is installed below the cooling fan and is connected to the power plug. The components are then fixed inside the housing. A light shield extends from the housing, which can reproduce the light pattern of a halogen lamp 1:1. This utility model integrates the functions of light source, driver, and heat dissipation into one compact design. Its small size allows for 1:1 reproduction of the halogen lamp size and light pattern. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a schematic diagram of the structure of a through-hole LED automotive headlight in one embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of a through-hole LED automotive headlight without a housing in one embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the LED light board in one embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the shell structure in one embodiment of the present invention. Detailed Implementation

[0021] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0022] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" and "second" may explicitly or implicitly include one or more features.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection or a connection that can communicate with each other; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two elements, an indirect connection, or an interaction between two elements.

[0026] The following disclosure provides many different implementation methods or examples for different solutions to implement this utility model.

[0027] Reference Figures 1 to 4As shown, a through-hole LED automotive headlight is provided, including a housing 1. An LED light panel 2 is provided at the top inside the housing 1. Heat sink fins 3 are fixedly connected to both sides of the LED light panel 2. A cooling fan 4 is fixedly installed below the heat sink fins 3. A driver board 5 is fixedly installed below the cooling fan 4. A power plug 6 is connected to the end of the driver board 5 away from the cooling fan 4. A light shield 7 extends from the end of the housing 1 near the LED light panel 2 toward the LED light panel 2 to block one side of the LED light panel 2. The light shield 7 is integrated with the housing 1.

[0028] In this embodiment, heat dissipation fins 3 are disposed on both sides of the bottom end of the LED light board 2 and connected together by means of solder paste, so that the heat of the LED light board 2 can be quickly conducted to the heat dissipation fins 3. The cooling fan 4 is disposed below the heat dissipation fins 3, which can quickly dissipate the heat on the heat dissipation fins 3 and improve the heat dissipation effect. This LED car headlight integrates light source, driver and heat dissipation functions in a small size. It adopts fin heat dissipation, which improves the heat dissipation effect. The compact design and small size meet the 1:1 reproduction size installation of halogen lamps. The built-in temperature regulation ensures product stability.

[0029] Preferably, the top of the LED light board 2 is provided with a first mounting hole, and the top of the housing 1 is provided with a second mounting hole. Screws pass through the second mounting hole and the first mounting hole to fix the LED light board 2 inside the housing 1.

[0030] In one embodiment of this utility model, a plurality of LED beads 21 are symmetrically arranged on the LED light board 2. Compared with traditional light sources, the LED beads 21 have lower energy consumption, higher luminous efficiency, longer lifespan, and generate less heat during operation, resulting in better safety.

[0031] In one embodiment of this utility model, the light-shielding sheet 7 is symmetrically arranged at one end of the housing 1 near the LED light panel 2, and the side of the light-shielding sheet 7 near the LED light panel 2 is inclined. The light-shielding sheet 7 blocks one-quarter of the LED light panel 2, restoring the light pattern of the halogen lamp.

[0032] In one embodiment of this utility model, a plurality of locking protrusions 11 are provided in the middle of the housing 1. The locking protrusions 11 are locked and fixed to the vehicle light mounting location. By rotating the housing 1, the locking protrusions 11 are locked into the vehicle light mounting location. Conversely, by rotating the housing 1 in the opposite direction, the housing 1 can be removed, achieving the effect of quick disassembly and installation.

[0033] In one embodiment of this utility model, the heat dissipation fin 3 is formed by bending an aluminum sheet. The heat dissipation fin 3 is welded to both sides of the LED light board 2. After bending, each part of the aluminum sheet is evenly spaced, which increases the heat dissipation area of ​​the heat dissipation fin 3 and improves the heat dissipation effect. The heat dissipation fin 3 is welded to both sides of the LED light board 2 with solder paste, which can better conduct heat to the heat dissipation fin 3.

[0034] In one embodiment of this utility model, a through hole 22 is provided at the bottom of the LED light board 2, and a cooling fan 4 is disposed in the through hole 22. Both the LED light board 2 and the cooling fan 4 are connected to the driver board 5. The cooling fan 4 is located directly below the heat dissipation fins 3 and the LED light board 2, which can quickly dissipate heat and improve the heat dissipation effect.

[0035] In one embodiment of this utility model, a plurality of heat dissipation holes 12 are provided in the middle of the housing 1. The heat dissipation holes 12 are arranged on the outer periphery of the cooling fan 4. Some of the heat dissipation holes 12 are set in trapezoidal structure and some are set in triangular structure, all for the purpose of accelerating heat dissipation.

[0036] In one embodiment of this utility model, an air outlet 13 is also provided in the middle of the housing 1. The air outlet 13 is located between the LED light board 2 and the heat dissipation fins 3. The cooling fan 4 can blow air onto the LED bead 21 through the gaps in the heat dissipation fins 3 to improve the heat dissipation effect.

[0037] In one embodiment of the present invention, the housing 1 includes a left housing 14 and a right housing 15, which are fixedly connected by screws.

[0038] Furthermore, both the bottom ends of the left housing 14 and the right housing 15 are provided with limiting protrusions 16, and the limiting protrusions 16 are provided with locking blocks 17. The power plug 6 is provided with a concave ring 61 that cooperates with the limiting protrusions 16. The concave ring 61 is provided with a groove 62 that cooperates with the locking blocks 17. The limiting protrusions 16 are inserted into the concave ring 61 to fix the position of the power plug 6. At the same time, the locking blocks 17 are locked into the grooves 62 to prevent the power plug 6 from rotating, thereby fixing the position of the power plug 6.

[0039] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A direct LED car headlamp comprising a housing (1), characterized in that, An LED light panel (2) is provided at the top inside the housing (1). Heat dissipation fins (3) are fixedly connected to both sides of the LED light panel (2). A cooling fan (4) is fixedly installed below the cooling fins (3). A driver board (5) is fixedly installed below the cooling fan (4). A power plug (6) is connected to the end of the driver board (5) away from the cooling fan (4). A light shield (7) extends from the end of the housing (1) near the LED light panel (2) toward the LED light panel (2) to block one side of the LED light panel (2). The light shield (7) is integrated with the housing (1).

2. The direct plug-in LED automotive headlamp according to claim 1, wherein, A number of LED beads (21) are symmetrically arranged on the LED light panel (2).

3. The direct plug-in LED automotive headlamp of claim 1, wherein, The light-shielding sheet (7) is symmetrically arranged at one end of the housing (1) near the LED light panel (2), and the side of the light-shielding sheet (7) near the LED light panel (2) is inclined.

4. The direct plug-in LED automotive headlamp of claim 1, wherein, The housing (1) has several locking protrusions (11) in the middle.

5. The direct plug-in LED automotive headlamp of claim 1, wherein, The heat dissipation fins (3) are formed by bending aluminum sheets and are welded to both sides of the LED light board (2).

6. The direct plug-in LED automotive headlamp of claim 1, wherein, The bottom end of the LED light board (2) is provided with a through hole (22), and the cooling fan (4) is disposed in the through hole (22). Both the LED light board (2) and the cooling fan (4) are connected to the driver board (5).

7. The direct plug-in LED automotive headlamp of claim 1, wherein, The housing (1) has several heat dissipation holes (12) in the middle, and the heat dissipation holes (12) are located on the outer periphery of the cooling fan (4).

8. The through-hole LED automotive headlight according to claim 1, characterized in that, The housing (1) is also provided with an air outlet (13) in the middle, and the air outlet (13) is located between the LED light panel (2) and the heat dissipation fins (3).

9. The direct plug-in LED automotive headlamp of claim 1, wherein, The housing (1) includes a left housing (14) and a right housing (15), and the left housing (14) and the right housing (15) are fixedly connected by screws.

10. The direct plug-in LED automotive headlamp according to claim 9, characterized in that The bottom ends of the left housing (14) and the right housing (15) are provided with limiting protrusions (16), and the limiting protrusions (16) are provided with locking blocks (17). The power plug (6) is provided with a concave ring (61) that cooperates with the limiting protrusions (16), and the concave ring (61) is provided with a groove (62) that cooperates with the locking blocks (17).

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