阅读说明：本技术 一种汽车led大灯及制作工艺 (Automobile LED headlamp and manufacturing process ) 是由 谢青波 于 2021-07-14 设计创作，主要内容包括：本发明公开了一种汽车LED大灯及制作工艺,其中,汽车LED大灯包括一体成型的散热器和PCBA板,所述散热器中间设置一孔,所述孔用于容纳PCBA板的端部,所述PCBA板的端部与散热器紧密连接。本发明的有益效果是：具有散热效果好、加工工艺简单,材料和加工成本低的优点。(The invention discloses an automobile LED headlamp and a manufacturing process thereof, wherein the automobile LED headlamp comprises a radiator and a PCBA board which are integrally formed, a hole is formed in the middle of the radiator and used for accommodating the end part of the PCBA board, and the end part of the PCBA board is tightly connected with the radiator. The invention has the beneficial effects that: the heat dissipation structure has the advantages of good heat dissipation effect, simple processing technology and low material and processing cost.)

1. The automobile LED headlamp comprises a radiator and a PCBA board which are integrally formed, and is characterized in that a hole is formed in the middle of the radiator and used for accommodating the end portion of the PCBA board, and the end portion of the PCBA board is tightly connected with the radiator.

2. The automobile LED headlight according to claim 1, wherein the PCBA is a double-sided PCB having both sides suitable for mounting the LED lamp beads, and the substrate of the PCB comprises a copper plate, an aluminum plate or a composite substrate having a thickness of 0.1-3 mm.

3. The automotive LED headlamp of claim 1 further comprising an inner ring, wherein the inner ring is made of a plastic material or a metal material and is used for fixing the heat sink and protecting a PCBA board.

4. The vehicle LED headlamp of claim 1 further comprising a snap fit secured to the inner ring for receiving a vehicle accessory.

5. The automotive LED headlamp of claim 1 wherein the automotive LED headlamp includes both an internal drive mode and an external drive mode.

6. The automotive LED headlamp according to claim 5, wherein the built-in driving mode is that an LED lamp bead board and a driving board are integrated on the PCBA board.

7. The automobile LED headlight as claimed in claim 5, wherein the external driving mode is that the driving board is arranged on a connecting wire and connected with the PCBA board through a connecting head of the connecting wire.

8. The automotive LED headlight of claim 1, wherein the heat sink is provided with a fan or with a fan and a tail cap.

9. The automotive LED headlamp as defined in claim 1, wherein a decorative sleeve is arranged on the portion of the PCBA exposed out of the inner ring, and the decorative sleeve is connected with the end portion of the inner ring and used for covering the PCBA.

10. A manufacturing process of an automobile LED headlamp is characterized by comprising the following steps:

the radiator is made of integrally formed aluminum or other metal materials with good heat conductivity, and after the materials are extruded and formed, the materials are cut firstly and then subjected to surface treatment, and a hole is reserved on the radiator;

and directly inserting the PCBA board into the integrally formed radiator through the hole until the PCBA board reaches the bottom, and riveting the PCBA board and the radiator together through a riveting machine, wherein the PCBA board and the radiator are tightly attached.

Technical Field

The invention relates to the field of automobile accessories, in particular to an automobile LED headlamp and a manufacturing process thereof.

Background

With the wider application of the LED headlight on the automobile, the industry competition is intensified increasingly, and the LED headlight is expected to stand out in the industry competition, and only a product with higher quality and lower price is developed. The base of the LED automobile headlamp is the key for radiating the lamp, the radiating effect is good and bad, and the service life of the LED automobile headlamp is directly influenced.

Conventional LED car headlight's heat dissipation base processing cost is high, needs to pass through complicated processes such as machining, and needs professional's operation, has increased the material cost and the cost of labor of lamp.

The structure of the existing LED automobile headlamp is as follows: the base of the headlamp is generally a split type radiator structure formed by combining an upper base and a lower base, and the LED lamp bead plate is arranged between the two bases and fixed by screws. The heat dissipation efficiency and effect of this structure are relatively poor.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the automobile LED headlamp and the manufacturing process thereof, and the automobile LED headlamp has the advantages of good heat dissipation effect, simple processing process and low material and processing cost. The technical scheme is as follows.

The utility model provides an automobile LED headlight, includes integrated into one piece's radiator and PCBA board, set up a hole in the middle of the radiator, the hole is used for holding the tip of PCBA board, the tip and the radiator zonulae occludens of PCBA board.

A manufacturing process of an automobile LED headlamp comprises the following steps:

the radiator is made of integrally formed aluminum or other metal materials with good heat conductivity, and after the materials are extruded and formed, the materials are cut firstly and then subjected to surface treatment, and a hole is reserved on the radiator;

and directly inserting the PCBA board into the integrally formed radiator through the hole until the PCBA board reaches the bottom, and riveting the PCBA board and the radiator together through a riveting machine, wherein the PCBA board and the radiator are tightly attached.

The invention has the beneficial effects that:

1. PCBA board and radiator closely laminate, and the gap is less, and circulation of air is less more, and heat-conduction is better, and the heat that LED lamp pearl sent is conducted the radiator through PCBA board directness, conducts away from the radiator again, reduces the switching number of times of heat between different medium, different structure, improves heat-conduction efficiency, can further guarantee the radiating effect.

2. Extrusion molding is carried out, complex processing such as CNC is not needed, the process is simple, the material consumption is low, and the cost is saved.

3. The novel radiator is made of less materials, only 1/3 materials of the traditional radiator are needed, and materials, cost and resources are saved.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of an automotive LED headlamp according to the present invention.

Fig. 2 is a schematic sectional structure of fig. 1.

Fig. 3 is a schematic diagram of the exploded structure of fig. 1.

Fig. 4 is a schematic structural diagram of a second embodiment of the automotive LED headlamp of the present invention.

Fig. 5 is a schematic cross-sectional structure of fig. 4.

Fig. 6 is a schematic structural diagram of a third embodiment of the automotive LED headlamp of the invention.

Fig. 7 is a schematic cross-sectional structure of fig. 6.

Fig. 8 is a schematic structural diagram of a fourth embodiment of the automotive LED headlamp of the present invention.

Fig. 9 is a schematic cross-sectional structure of fig. 8.

Fig. 10 is a schematic structural diagram of a fifth embodiment of the automotive LED headlamp according to the present invention.

Fig. 11 is a schematic cross-sectional structure of fig. 10.

Fig. 12 is a schematic structural diagram of a sixth embodiment of the automotive LED headlamp according to the present invention.

Fig. 13 is a schematic cross-sectional view of fig. 12.

FIG. 14 is a schematic view of the manufacturing process of the present invention.

Reference numbers in the figures:

PCBA board-1, LED lamp beads-2, a radiator-3, an inner ring-4, a buckle-5, a waterproof sealing ring-6, a power supply connector-7, an external driver-8, a tail cover-9, a fan-10, a screw-11, an internal driver-12 and a decorative sleeve-13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 13, an automotive LED headlamp comprises a PCBA board 1 and a heat sink 3, wherein the heat sink 3 is made of integrally formed aluminum or other metal material with good thermal conductivity, a hole is formed in the heat sink, preferably in the center of the heat sink, the hole penetrates through the heat sink, the hole is used for accommodating an end portion of the PCBA board 1, and the end portion of the PCBA board is tightly connected with the heat sink.

PCBA board 1 is the two-sided PCB board that both sides all are suitable for installing LED lamp pearl 2, and the base plate of PCB board includes that thickness is 0.1 ~ 3 mm's copper, aluminum plate or composite substrate.

In an embodiment of the invention, the automotive LED headlamp further comprises an inner ring 4 for fixing the heat sink and protecting the PCBA board. The inner ring is made of plastic material or metal material.

In an embodiment of the invention, the automotive LED headlamp further comprises a buckle 5 fixed on the inner ring for receiving an automotive part.

The buckle and the inner ring are further provided with waterproof sealing rings 6, so that the automobile LED headlamp has a waterproof function after being assembled.

The inner ring 4 is fixedly connected with the radiator 3 through screws, and the inner ring is fixed with the PCBA board through a buckle, so that the PCBA board penetrates through the inner ring to be fixed with the radiator 3, and the assembly is completed.

The power cord passes through the inner ring through the power connector and is connected with PCBA board electric wire.

As shown in fig. 14, a manufacturing process of an automotive LED headlamp includes the following steps:

the radiator is made of integrally formed aluminum or other metal materials with good heat conductivity, and after the materials are extruded and formed, the materials are cut firstly and then subjected to surface treatment, and a hole is reserved on the radiator;

and directly inserting the PCBA board into the integrally formed radiator through the hole until the PCBA board reaches the bottom, and riveting the PCBA board and the radiator together through a riveting machine, wherein the PCBA board and the radiator are tightly attached.

The shape of the hole is consistent with the shape of the PCBA board, so that the assembled PCBA board is tightly combined. PCBA board and radiator closely laminate, and the gap is less, and circulation of air is less more, and heat-conduction is better, and the heat that LED lamp pearl sent is conducted the radiator through PCBA board directness, conducts away from the radiator again, reduces the switching number of times of heat between different medium, different structure, improves heat-conduction efficiency, can further guarantee the radiating effect.

Example one

As shown in fig. 1 to 3, an automotive LED headlamp comprises a PCBA board 1 and a heat sink 3, wherein the heat sink 3 is made of integrally formed aluminum or other metal material with good thermal conductivity, a hole is formed in the heat sink, preferably in the center of the heat sink, the hole penetrates through the heat sink, the hole is used for accommodating an end portion of the PCBA board 1, and the end portion of the PCBA board is tightly connected with the heat sink.

The automobile LED headlamp further comprises an inner ring 4, wherein the inner ring is used for fixing the radiator and protecting the PCBA board. The inner ring is made of plastic material or metal material. The automobile LED headlamp further comprises a buckle 5, wherein the buckle is fixed on the inner ring and used for bearing automobile parts. The buckle 4 and the inner ring 5 are further provided with waterproof sealing rings 6, so that the automobile LED headlamp has a waterproof function after being assembled.

In this embodiment, the automobile LED headlamp adopts an external driving mode, and the external driver 8 is located on the connection line.

Example two

As shown in fig. 4-5, the automotive LED headlamp comprises a PCBA board 1 and a heat sink 3, wherein the heat sink 3 is made of aluminum or other metal material with good thermal conductivity, and is integrally formed with a hole, preferably arranged in the center of the heat sink, the hole penetrates through the heat sink and is used for accommodating an end portion of the PCBA board 1, and the end portion of the PCBA board is tightly connected with the heat sink.

The automobile LED headlamp further comprises an inner ring 4, wherein the inner ring is used for fixing the radiator and protecting the PCBA board. The inner ring is made of plastic material or metal material. The automobile LED headlamp further comprises a buckle 5, wherein the buckle is fixed on the inner ring and used for bearing automobile parts.

In this embodiment, car LED headlight adopts built-in drive mode, and built-in drive 12 is located the components and parts district on PCBA board, with LED lamp pearl circuit connection.

EXAMPLE III

As shown in fig. 6-7, the automotive LED headlamp comprises a PCBA board 1 and a heat sink 3, wherein the heat sink 3 is made of aluminum or other metal material with good thermal conductivity, and is integrally formed with a hole, preferably arranged in the center of the heat sink, penetrating through the heat sink, for accommodating an end portion of the PCBA board 1, and the end portion of the PCBA board is tightly connected with the heat sink.

The automobile LED headlamp further comprises an inner ring 4, wherein the inner ring is used for fixing the radiator and protecting the PCBA board. The inner ring is made of plastic material or metal material. The automobile LED headlamp further comprises a buckle 5, wherein the buckle is fixed on the inner ring and used for bearing automobile parts.

In this embodiment, the exposed portion of the PCBA 1 is further nested with a decorative sleeve 13, which has a protective effect in addition to decoration.

In this embodiment, car LED headlight adopts built-in drive mode, and built-in drive 12 is located the components and parts district on PCBA board, with LED lamp pearl circuit connection.

In this embodiment, the end of the heat sink 3 is provided with a fan 10 and a tail cover 9, the fan 10 is fixed at the end of the heat sink 3 to enhance heat dissipation, the tail cover 9 covers the fan to protect the fan, and the tail cover 9 is provided with a plurality of ventilation holes.

Example four

As shown in fig. 8-9, an automotive LED headlamp comprises a PCBA board 1 and a heat sink 3, wherein the heat sink 3 is made of aluminum or other metal material with good thermal conductivity, and is integrally formed with a hole, preferably arranged in the center of the heat sink, penetrating through the heat sink, for accommodating an end portion of the PCBA board 1, and the end portion of the PCBA board is tightly connected with the heat sink.

The automobile LED headlamp further comprises an inner ring 4, wherein the inner ring is used for fixing the radiator and protecting the PCBA board. The inner ring is made of plastic material or metal material. The automobile LED headlamp further comprises a buckle 5, wherein the buckle is fixed on the inner ring and used for bearing automobile parts.

In this embodiment, the exposed portion of the PCBA 1 is further nested with a decorative sleeve 13, which has a protective effect in addition to decoration.

In this embodiment, the automobile LED headlamp adopts an external driving mode, and the external driver 8 is located on the connection line.

In this embodiment, the end of the heat sink 3 is provided with a fan 10 and a tail cover 9, the fan 10 is fixed at the end of the heat sink 3 to enhance heat dissipation, the tail cover 9 covers the fan to protect the fan, and the tail cover 9 is provided with a plurality of ventilation holes.

EXAMPLE five

Referring to fig. 10-11, an automotive LED headlamp comprises a PCBA board 1 and a heat sink 3, wherein the heat sink 3 is made of aluminum or other metal material with good thermal conductivity, and the heat sink is provided with a hole, preferably arranged in the center of the heat sink, and the hole penetrates through the heat sink and is used for accommodating the end part of the PCBA board 1, and the end part of the PCBA board is tightly connected with the heat sink.

The automobile LED headlamp further comprises an inner ring 4, wherein the inner ring is used for fixing the radiator and protecting the PCBA board. The inner ring is made of plastic material or metal material. The automobile LED headlamp further comprises a buckle 5, wherein the buckle is fixed on the inner ring and used for bearing automobile parts.

In this embodiment, the automobile LED headlamp adopts an external driving mode, and the external driver 8 is located on the connection line.

In this embodiment, the fan 10 is provided at the end of the heat sink 3, and the fan 10 is fixed to the end of the heat sink 3 to enhance heat dissipation.

EXAMPLE six

The utility model provides an automobile LED headlight, includes PCBA board 1 and radiator 3, and radiator 3 is integrated into one piece's aluminium or other good metal material of heat conductivity, sets up the hole on the radiator, preferably sets up in the radiator center, and the hole runs through the radiator, and the hole is used for holding PCBA board 1's tip, PCBA board's tip and radiator zonulae occludens.

The automobile LED headlamp further comprises an inner ring 4, wherein the inner ring is used for fixing the radiator and protecting the PCBA board. The inner ring is made of plastic material or metal material. The automobile LED headlamp further comprises a buckle 5, wherein the buckle is fixed on the inner ring and used for bearing automobile parts.

In this embodiment, car LED headlight adopts built-in drive mode, and built-in drive 12 is located the components and parts district on PCBA board, with LED lamp pearl circuit connection.

In this embodiment, the fan 10 is provided at the end of the heat sink 3, and the fan 10 is fixed to the end of the heat sink 3 to enhance heat dissipation.

In other embodiments of the present invention, the inner ring is made of various materials and designed into various shapes, and various designs of decorative protective sleeves can be added, and the inner ring and the tail cover can be connected together, as shown in the fourth embodiment. When the fan is not needed, the tail cover is directly removed, as shown in the first embodiment.

In other embodiments of the invention, the inner ring, the fan, the tail cover, the decorative sleeve and the power connector can be designed into various different styles for customers to select, different schemes are combined according to different requirements of the customers, and the modification design based on the scheme is within the protection range of the scheme.

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