Automobile LED high and low beam driver

Abstract

The utility model relates to the technical field of high-beam and low-beam drivers, and discloses an automobile LED high-beam and low-beam driver which comprises an upper cover, a bottom shell is arranged on the lower end face of the upper cover, the bottom shell is arranged between the upper cover and a driving module, mounting assemblies are arranged on the left side and the right side of the bottom shell, a driving assembly is arranged in the driving module, and the lower end face of the upper cover is provided with an LED light source. The mounting assembly comprises L-shaped plates and first mounting holes, the L-shaped plates are fixedly arranged on the left side and the right side of the bottom shell, and the first mounting holes are formed in the two faces of each L-shaped plate. According to the utility model, the L-shaped plate and the first mounting hole are arranged, so that the driver is convenient to mount; through the arrangement of the power management module, the logic control module, the overheat detection module and the BIN detection module, a high-power LED can be driven under the conditions that an automobile lamp is small and no external radiator exists, automatic LED BIN detection is achieved, different currents are output according to different BIN resistors, high and low level trigger conditions are achieved, and the trigger conditions of different automobile factories for headlamps can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of high and low beam drivers, in particular to an automobile LED high and low beam driver. Background Art

[0002] With the rapid development of domestic automobiles, there is a large demand for automobile exports. The regulatory requirements of different countries or regions are different. The modularization trend of small external lights of automobiles is becoming more and more obvious. Driven by new energy vehicles, the domestic automobile industry is accelerating the update and iteration of vehicle models, and the requirements for reducing costs and increasing efficiency of the whole vehicle are also constantly increasing.

[0003] Currently, some automotive LED high and low beam drivers on the market cannot be installed in a small space due to their large size and low efficiency. They require external large heat sinks and cannot automatically match the specifications of the LEDs. They need to be used in strict accordance with the pairing method, which is prone to errors. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides an automotive LED high and low beam driver, which can drive high-power LEDs under the conditions of small automotive lamps and no external heat sink. It has automatic LED BIN recognition, outputs different currents according to different BIN resistors, and has high and low level trigger conditions. It can meet the trigger conditions of headlights of different car manufacturers, has strong versatility, and solves the above technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automotive LED high and low beam driver, comprising an upper cover, a bottom shell is arranged on the lower end surface of the upper cover, a bottom shell is arranged between the upper cover and the driving module, mounting components are arranged on the left and right sides of the bottom shell, and a driving component is arranged inside the driving module.

[0008] Preferably, the mounting assembly comprises an L-shaped plate and a mounting hole 1, the left and right sides of the bottom shell are fixedly provided with an L-shaped plate, and both sides of the L-shaped plate are provided with a mounting hole 1.

[0009] Through the above technical solution, the arrangement of the L-shaped plate and the mounting hole 1 facilitates the installation of the driver.

[0010] Preferably, a second mounting hole is opened on the rear side of the upper end surface of the upper cover, and the second mounting hole passes through the driving module and the bottom shell.

[0011] Through the above technical solution, the opening of the second mounting hole facilitates the installation of the upper cover, the drive module and the bottom shell.

[0012] Preferably, a mounting hole three is provided on the front side of the upper end surface of the upper cover, and two mounting holes three are provided, and the mounting holes three penetrate the driving module and the bottom shell.

[0013] Through the above technical solution, the opening of the mounting hole three facilitates the installation of the upper cover, the drive module and the bottom shell.

[0014] Preferably, fixing bolts are arranged inside the second mounting hole and the third mounting hole.

[0015] Through the above technical solution, the setting of the fixing bolts can play a role in installation.

[0016] Preferably, the driving component includes a power management module, a logic control module, an overheat detection module, and a BIN detection module; the driving module is internally provided with a power management module, a logic control module, an overheat detection module, and a BIN detection module.

[0017] Through the above technical solution, the setting of the power management module can control the power supply of the driving module.

[0018] Preferably, the logic control module is electrically connected to an external high beam high level enable and a high beam low level enable.

[0019] Through the above technical solution, the high-beam high-level enable and the high-beam low-level enable can play a role in controlling the high-beam switch.

[0020] Compared with the prior art, the utility model provides a car LED high and low beam driver, which has the following beneficial effects:

[0021] The utility model provides an L-shaped plate and a mounting hole, so that the driver is easy to install; the power management module, the logic control module, the overheat detection module, and the BIN detection module are provided, so that a high-power LED can be driven under the condition that the automobile lamp is small and there is no external heat sink, and the utility model has automatic LED BIN detection, outputs different currents according to different BIN resistances, has high and low level trigger conditions, and can meet the trigger conditions of headlights of different car manufacturers. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model without fixing bolts;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the drive module of the utility model;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the bottom shell of the utility model;

[0026] Figure 5 This is a schematic diagram of the drive module circuit of the utility model.

[0027] Among them: 1. Upper cover; 2. Drive module; 3. Bottom shell; 4. L-shaped plate; 5. Mounting hole 1; 6. Mounting hole 2; 7. Mounting hole 3; 8. Fixing bolt; 9. Power management module; 10. Logic control module; 11. Overheat detection module; 12. BIN detection module. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Embodiment 1:

[0030] like Figure 1-4 As shown, the utility model provides an automotive LED high and low beam driver, including an upper cover 1, a bottom shell 3 is arranged on the lower end surface of the upper cover 1, the bottom shell 3 is arranged between the upper cover 1 and the driving module 2, mounting components are arranged on the left and right sides of the bottom shell 3, and a driving component is arranged inside the driving module 2.

[0031] Specifically, the mounting assembly includes an L-shaped plate 4 and a mounting hole 5. The L-shaped plate 4 is fixedly arranged on both sides of the bottom shell 3, and both sides of the L-shaped plate 4 are provided with a mounting hole 5. The advantage is that the arrangement of the L-shaped plate 4 and the mounting hole 5 facilitates the installation of the driver.

[0032] Specifically, a second mounting hole 6 is provided at the rear side of the upper end surface of the upper cover 1, and the second mounting hole 6 penetrates the driving module 2 and the bottom shell 3. The advantage is that the second mounting hole 6 is provided to facilitate the installation of the upper cover 1, the driving module 2, and the bottom shell 3.

[0033] Specifically, the front side of the upper end surface of the upper cover 1 is provided with a mounting hole 3 7, and there are two mounting holes 3 7, and the mounting holes 3 7 penetrate the drive module 2 and the bottom shell 3. The advantage is that the opening of the mounting holes 3 7 facilitates the installation of the upper cover 1, the drive module 2, and the bottom shell 3.

[0034] Specifically, fixing bolts 8 are arranged inside the second mounting hole 6 and the third mounting hole 7. The advantage is that personnel only need to place the drive module 2 on the bottom shell 3, cover the upper cover 1 on the drive module 2, align the second mounting hole 6 and the third mounting hole 7 respectively, and then use the fixing bolts 8 to assemble the driver, which is simple and convenient.

[0035] Embodiment 2:

[0036] like Figure 5 As shown, as an improvement on the previous embodiment. Specifically, the driving component includes a power management module 9, a logic control module 10, an overheat detection module 11, and a BIN detection module 12. The driving module 2 is internally provided with a power management module 9, a logic control module 10, an overheat detection module 11, and a BIN detection module 12. The advantage is that the setting of the power management module 9 can control the power supply of the driving module 2, the setting of the logic control module 10 is convenient for controlling the state of the LED lamp through logic, the setting of the overheat detection module 11 can play a role in overheating and overcurrent detection, and can cut off the power in time when the driver is overheated or overcurrent, and the setting of the BIN detection module 12 can play a role in outputting different currents according to different BIN resistances.

[0037] Specifically, the logic control module 10 is electrically connected to the external high-beam high-level enable and high-beam low-level enable. The advantage is that the high-beam high-level enable and high-beam low-level enable can play the role of controlling the high-beam switch, and the low-beam LED lights up when the high-beam and low-beam power supply + is powered on, and then the high-beam LED lights up when the high-beam enable signal is input.

[0038] When in use, personnel can use fixing bolts 8 to assemble the upper cover 1, drive module 2, and bottom shell 3 through mounting hole 2 6 and mounting hole 3 7, and then the driver can be installed in the specified position through the L-shaped mounting plate and mounting hole 1 5; this solution adopts a set of synchronous rectifier buck-boost constant current chips, and is matched with a power management module 9, a logic control module 10, an overheating detection module 11, and a BIN detection module 12, so that the low beam LED is lit when the high and low beam power supply + power is on, and then the high beam LED is lit when the high beam enable signal is input, and it has functions such as high efficiency, overheat protection, overcurrent protection, and open circuit protection, so that the high and low beam lamps can meet the needs of long-term reliable operation.

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

Claims

1. An automotive LED high and low beam driver, comprising an upper cover (1), characterized in that: A bottom shell (3) is arranged on the lower end surface of the upper cover (1), a bottom shell (3) is arranged between the upper cover (1) and the driving module (2), mounting components are arranged on the left and right sides of the bottom shell (3), and a driving component is arranged inside the driving module (2).

2. The automotive LED high and low beam driver according to claim 1, characterized in that: The mounting assembly comprises an L-shaped plate (4) and a mounting hole (5); the L-shaped plate (4) is fixedly arranged on both the left and right sides of the bottom shell (3); and the mounting hole (5) is opened on both sides of the L-shaped plate (4).

3. The automotive LED high and low beam driver according to claim 1, characterized in that: A second mounting hole (6) is provided on the rear side of the upper end surface of the upper cover (1), and the second mounting hole (6) penetrates the drive module (2) and the bottom shell (3).

4. The automotive LED high and low beam driver according to claim 3, characterized in that: The front side of the upper end surface of the upper cover (1) is provided with a third mounting hole (7), and there are two third mounting holes (7), and the third mounting hole (7) penetrates the driving module (2) and the bottom shell (3).

5. The automotive LED high and low beam driver according to claim 4, characterized in that: Fixing bolts (8) are arranged inside the second mounting hole (6) and the third mounting hole (7).

6. The automotive LED high and low beam driver according to claim 1, characterized in that: The driving component comprises a power management module (9), a logic control module (10), an overheat detection module (11), and a BIN detection module (12); the driving module (2) is provided with a power management module (9), a logic control module (10), an overheat detection module (11), and a BIN detection module (12) inside.

7. The automotive LED high and low beam driver according to claim 6, characterized in that: The logic control module (10) is electrically connected to the external high-beam high-level enable and high-beam low-level enable.

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