CN220383265U - Automobile headlight driver - Google Patents
Automobile headlight driver Download PDFInfo
- Publication number
- CN220383265U CN220383265U CN202320926076.1U CN202320926076U CN220383265U CN 220383265 U CN220383265 U CN 220383265U CN 202320926076 U CN202320926076 U CN 202320926076U CN 220383265 U CN220383265 U CN 220383265U
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- China
- Prior art keywords
- shell
- aluminum substrate
- pcb
- automotive headlamp
- driver
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 230000017525 heat dissipation Effects 0.000 claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 15
- 239000004411 aluminium Substances 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model belongs to the technical field of automobile lamps, and particularly relates to an automobile headlight driver, which comprises a shell, an electronic element and a PCB (printed circuit board) aluminum substrate; the shell is internally provided with an installation cavity, the inner bottom surface of the shell is provided with an installation plane, the installation plane is provided with a plurality of first radiating holes, and the first radiating holes extend outwards and penetrate through the shell; the PCB aluminum substrate is arranged in the mounting cavity, the front surface of the PCB aluminum substrate is connected with the electronic element, and the back surface of the PCB aluminum substrate is attached to the mounting plane and covers each first heat dissipation hole; the back laminating of PCB aluminium base plate is in the mounting plane of casing, and the heat that PCB aluminium base plate produced can be through giving off fast from the casing in the first louvre, avoids heat accumulation in the installation cavity of casing.
Description
Technical Field
The utility model belongs to the technical field of automobile lamps, and particularly relates to an automobile headlight driver.
Background
Currently, automotive headlight drives are well known, and the headlight drives do not have a temperature detection function. Under the long-time work of car headlight driver, if can not in time dispel the heat, the risk that can exist burning out damage under the temperature of headlight driver exceeded operating temperature, and the car headlight is not bright, causes the potential safety hazard.
Disclosure of Invention
The utility model aims to provide an automobile headlight driver, and aims to solve the technical problem that the automobile headlight driver in the prior art is poor in heat dissipation effect.
In order to achieve the above object, an embodiment of the present utility model provides an automotive headlight driver, including a housing, an electronic component, and a PCB aluminum substrate; the shell is internally provided with an installation cavity, the inner bottom surface of the shell is provided with an installation plane, the installation plane is provided with a plurality of first radiating holes, and the first radiating holes extend outwards and penetrate through the shell; the PCB aluminum substrate is arranged in the mounting cavity, the front face of the PCB aluminum substrate is connected with the electronic element, and the back face of the PCB aluminum substrate is attached to the mounting plane and covers each first heat dissipation hole.
Optionally, the inner top surface of the shell is provided with a plurality of second heat dissipation holes, and the second heat dissipation holes extend outwards and penetrate through the shell.
Optionally, the inner top surface of the shell extends towards the direction of the inner bottom surface of the shell to form a pressing plate column, and the pressing plate column is abutted with the front surface of the PCB aluminum substrate.
Optionally, the back surface of the aluminum PCB substrate is adhered to the mounting plane.
Optionally, the housing includes a face housing and a bottom housing; the face shell is detachably connected with the bottom shell, the face shell is provided with the second radiating holes, the bottom shell is provided with the first radiating holes, and the PCB aluminum substrate is fixed on the bottom shell.
Optionally, a positioning groove is formed in the inner side of the bottom shell, a positioning column is arranged on the face shell, and the positioning column is clamped in the positioning groove so as to position the face shell conveniently.
Optionally, the face shell and the bottom shell are both provided with a wire through groove for the power supply wire to pass through.
Optionally, the installation plane is provided with a positioning convex edge arranged in an annular structure, and the positioning convex edge is arranged around the PCB aluminum substrate.
Optionally, a heat dissipation groove is formed between two adjacent first heat dissipation holes.
Optionally, the housing is a plastic housing.
The technical scheme of one or more of the above technical schemes in the automobile headlight driver provided by the embodiment of the utility model has at least one of the following technical effects: the back laminating of PCB aluminium base plate is in the mounting plane of casing, and the heat that PCB aluminium base plate produced can be through giving off fast from the casing in the first louvre, avoids heat accumulation in the installation cavity of casing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an automotive headlamp driver according to an embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional view of an automotive headlamp driver according to an embodiment of the present utility model.
Wherein, each reference sign in the figure:
10-housing 11-installation chamber 12-installation plane
13-first heat dissipation holes 14-second heat dissipation holes 15-pressing plate column
16-positioning groove 17-positioning column 18-through slot
20-electronic component 30-PCB aluminum substrate 100-face-piece
101-bottom case.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1-2 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.
In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
In one embodiment of the present utility model, as shown in fig. 1-2, an automotive headlamp driver is provided, comprising a housing 10, an electronic component 20, and an aluminum PCB substrate 30. It should be understood that the PCB aluminum substrate 30 has high thermal conductivity and good heat dissipation effect. The shell 10 is internally provided with a mounting cavity 11, the inner bottom surface of the shell 10 is provided with a mounting plane 12, the mounting plane 12 is provided with a plurality of first radiating holes 13, and the first radiating holes 13 extend outwards and penetrate through the shell 10; the PCB aluminum substrate 30 is disposed in the mounting cavity 11, the front surface of the PCB aluminum substrate 30 is connected with the electronic component 20, and the back surface of the PCB aluminum substrate 30 is bonded to the mounting plane 12 and covers each first heat dissipation hole 13.
In the embodiment of the utility model, the back surface of the aluminum PCB substrate 30 is attached to the mounting plane 12 of the housing 10, and the heat generated by the aluminum PCB substrate 30 can be rapidly dissipated from the housing 10 through the first heat dissipation holes 13, so as to avoid heat accumulation in the mounting cavity 11 of the housing 10.
In another embodiment of the present utility model, the inner top surface of the housing 10 of the automotive headlamp driver is provided with a plurality of second heat dissipating holes 14, and the second heat dissipating holes 14 extend outwardly and through the housing 10. The second heat dissipation holes 14 are added, and as the second heat dissipation holes 14 are arranged towards the front surface of the PCB aluminum substrate 30, the heat generated by the electronic component 20 on the front surface of the PCB aluminum substrate 30 can be dissipated to the outside of the casing 10 through the second heat dissipation holes 14, so that the heat dissipation effect can be further improved.
In another embodiment of the present utility model, the inner top surface of the housing 10 of the automotive headlamp driver extends toward the inner bottom surface thereof to form a pressing plate column 15, and the pressing plate column 15 abuts against the front surface of the PCB aluminum substrate 30. By adding the pressing plate column 15, the pressing plate column 15 can always press the front surface of the PCB aluminum substrate 30, so that the stability of the PCB aluminum substrate 30 is improved, and the condition that the PCB aluminum substrate 30 shakes is avoided.
In another embodiment of the present utility model, the back surface of the PCB aluminum substrate 30 of the automotive headlamp driver is adhered to the mounting plane 12 for easy installation.
In another embodiment of the present utility model, the housing 10 of the automotive headlamp driver includes a face housing 100 and a bottom housing 101. The face shell 100 and the bottom shell 101 are detachably connected, and after the face shell 100 and the bottom shell 101 are connected, a mounting cavity 11 is formed between the face shell and the bottom shell. The surface case 100 is provided with a second heat dissipation hole 14, the bottom case 101 is provided with a first heat dissipation hole 13, and the pcb aluminum substrate 30 is fixed on the bottom case 101.
In another embodiment of the present utility model, a positioning groove 16 is provided on the inner side of the bottom shell 101 of the automotive headlamp driver, a positioning post 17 is provided on the face shell 100, and the positioning post 17 is clamped in the positioning groove 16 to position the face shell 100, so that the assembly process of the face shell 100 and the bottom shell 101 is faster.
In another embodiment of the present utility model, the face housing 100 and the bottom housing 101 of the automotive headlamp driver are provided with a wire slot 18 for passing a power supply wire, and the power supply wire is electrically connected with the PCB aluminum substrate 30 in the mounting cavity 11 after passing through the wire slot 18.
In another embodiment of the present utility model, the mounting surface 12 of the automotive headlamp driver is provided with a positioning flange disposed in an annular configuration, and the positioning flange is disposed around the PCB aluminum substrate 30. The positioning convex edge is used for positioning the PCB aluminum substrate 30, so that the PCB aluminum substrate 30 is convenient to install, and meanwhile, the stability of the PCB aluminum substrate 30 after being installed can be improved.
In another embodiment of the present utility model, a heat dissipation groove is formed between two adjacent first heat dissipation holes 13 of the automotive headlamp driver, so as to increase the heat dissipation area and improve the heat dissipation efficiency.
In another embodiment of the utility model, the housing 10 of the automotive headlamp driver is a plastic housing 10. The plastic housing 10 has the advantage of being resistant to high temperatures and flame.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. An automotive headlight driver, characterized by: comprises a shell, an electronic element and a PCB aluminum substrate; the shell is internally provided with an installation cavity, the inner bottom surface of the shell is provided with an installation plane, the installation plane is provided with a plurality of first radiating holes, and the first radiating holes extend outwards and penetrate through the shell; the PCB aluminum substrate is arranged in the mounting cavity, the front face of the PCB aluminum substrate is connected with the electronic element, and the back face of the PCB aluminum substrate is attached to the mounting plane and covers each first heat dissipation hole.
2. The automotive headlamp driver of claim 1, wherein: the inner top surface of the shell is provided with a plurality of second radiating holes, and the second radiating holes extend outwards and penetrate through the shell.
3. The automotive headlamp driver of claim 1, wherein: the inner top surface of the shell extends towards the direction of the inner bottom surface of the shell to form a pressing plate column, and the pressing plate column is abutted with the front surface of the PCB aluminum substrate.
4. The automotive headlamp driver of claim 1, wherein: and the back surface of the PCB aluminum substrate is adhered to the mounting plane.
5. The automotive headlamp driver of claim 2, wherein: the shell comprises a face shell and a bottom shell; the face shell is detachably connected with the bottom shell, the face shell is provided with the second radiating holes, the bottom shell is provided with the first radiating holes, and the PCB aluminum substrate is fixed on the bottom shell.
6. The automotive headlamp driver of claim 5, wherein: the inner side of the bottom shell is provided with a positioning groove, the face shell is provided with a positioning column, and the positioning column is clamped in the positioning groove so as to position the face shell conveniently.
7. The automotive headlamp driver of claim 5, wherein: and the surface shell and the bottom shell are respectively provided with a wire through groove for the power supply wires to pass through.
8. The automotive headlamp driver of any of claims 1-4, wherein: the PCB is characterized in that a positioning convex edge arranged in an annular structure is arranged on the mounting plane, and the positioning convex edge is arranged around the PCB aluminum substrate.
9. The automotive headlamp driver of any of claims 1-4, wherein: a heat dissipation groove is arranged between two adjacent first heat dissipation holes.
10. The automotive headlamp driver of any of claims 1-4, wherein: the shell is a plastic shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320926076.1U CN220383265U (en) | 2023-04-21 | 2023-04-21 | Automobile headlight driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320926076.1U CN220383265U (en) | 2023-04-21 | 2023-04-21 | Automobile headlight driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220383265U true CN220383265U (en) | 2024-01-23 |
Family
ID=89571147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320926076.1U Active CN220383265U (en) | 2023-04-21 | 2023-04-21 | Automobile headlight driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220383265U (en) |
-
2023
- 2023-04-21 CN CN202320926076.1U patent/CN220383265U/en active Active
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| GR01 | Patent grant |