CN218209372U

CN218209372U - LED automobile headlamp

Info

Publication number: CN218209372U
Application number: CN202221763417.XU
Authority: CN
Inventors: 石凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2023-01-03
Anticipated expiration: 2032-07-07

Abstract

The utility model relates to a LED headlight field, especially indicate a LED car headlight, an aluminum sheet of the radiator of the utility model is folded into the half-ring structure with the breach that encloses after the corrugate through the folder, and heat radiating area is big, and the radiating effect is better, leaves the breach moreover, makes things convenient for the overall arrangement to walk the line; the two sides of the circuit substrate are provided with the heat pipe columns, and the lower end of the circuit substrate is connected with the heat pipe columns, so that the heat of the circuit substrate can be better and rapidly conducted to the radiator and then radiated by the radiator, the heat radiating device has good heat radiating performance, and the service life and the optical effect of a product are improved; the fan is further arranged for radiating heat of the radiator, and the heat of the radiator is extracted from the air vent of the shell to the outside, so that the radiating effect is further improved.

Description

LED automobile headlamp

Technical Field

The utility model relates to a LED headlight field indicates a LED car headlight especially.

Background

The technology applied to automobiles is constantly innovated, wherein the automobile lighting technology is developed from the past halogen lamp and HID lamp (namely, high-pressure gas discharge lamp is commonly called xenon lamp) to the present LED (namely, light-emitting diode is short), and along with the progress of the LED technology, the LED lighting lamp has the advantages of high lighting effect, electricity saving, long service life, quick start, strong technological sense and the like, and is accepted by more and more consumers. However, it has the disadvantage that due to the construction and the operating principle of the LED element, too high temperatures may cause severe light degradation, shorten the service life, and even affect the driving safety, which requires a good heat sink device to ensure its proper operation.

Most of road lighting headlamps in automobiles are xenon lamps, because xenon lamp bulbs contain mercury harmful substances, the environment is easily polluted, 2000V high-voltage starting is realized, the heating value is very large, the light decay is very fast, but the luminous flux brightness of the xenon lamps is still very high, the brightness of the xenon lamps cannot be achieved by the existing LEDs on the market, the luminous flux brightness can achieve the brightness of the LED headlamps of the xenon lamps, and the heat dissipation of the existing LED headlamps on the market is insufficient, so the power is not high.

Disclosure of Invention

In order to solve the above problem, the utility model provides a LED car headlight, the radiating effect preferred.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a LED car headlight, includes circuit substrate and radiator, the circuit substrate both sides are equipped with the heat pipe post, the circuit substrate upper end is equipped with the heat conduction post, the inside heat conduction filler that is equipped with of heat conduction post, inside the heat conduction post was run through to circuit substrate and heat pipe post upper end, the radiator is the half ring structure that has the breach that encloses after an aluminum sheet folded into the corrugate through the folder, the heat conduction post of circuit substrate upper end is located the inner ring of half ring structure to be connected with the radiator, circuit substrate surface mounting LED lamp pearl board.

Wherein, the heat pipe column is a heat pipe or a temperature-equalizing plate.

The circuit substrate is a copper substrate or a flexible circuit board.

Further, the radiator surface still is equipped with the shell, the shell is equipped with the ventilation hole, install the fan in the shell, the fan is located the radiator upside.

And a lamp bead is arranged at the lower end of the circuit substrate.

Further, the heat-conducting column is a copper pipe or an aluminum pipe, and the heat-conducting filler is a copper filler or an aluminum filler.

Wherein, the thickness of the aluminum sheet of the radiator is 0.1-0.3mm.

The beneficial effects of the utility model reside in that:

1. an aluminum sheet of the radiator is folded into a corrugated shape by a folding machine, and then the semi-ring structure is enclosed, so that the semi-ring structure is large in heat dissipation area and better in heat dissipation effect, and the notch is reserved, so that wiring is convenient to arrange;

2. the two sides of the circuit substrate are provided with the heat pipe columns, and the lower end of the circuit substrate is connected with the heat pipe columns, so that the heat of the circuit substrate can be better and rapidly conducted to the radiator and then radiated by the radiator, the heat radiating device has good heat radiating performance, and the service life and the optical effect of a product are improved;

3. the fan is further arranged to radiate the heat of the radiator, and the heat of the radiator is extracted from the air vent of the shell to the outside, so that the radiating effect is further improved.

Drawings

Fig. 1 is a perspective view in the present embodiment.

Fig. 2 is another perspective view in the present embodiment.

Fig. 3 is a plan view of the present embodiment.

Fig. 4 is a schematic structural view of the present embodiment with a housing added.

The reference numbers illustrate: 1. a circuit substrate; 11. a lamp bead plate; 12. a lamp bead; 2. a heat sink; 21. a notch; 3. a heat pipe string; 4. a heat-conducting column; 5. a housing; 51. a housing; 6. a fan; 7. a lens.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. The present application may be embodied in many different forms and is not limited to the embodiments described in the present embodiment. The following detailed description is provided to facilitate a clear and thorough understanding of the present disclosure, and the words upper, lower, left, right, etc. used to indicate orientation are simply for the purpose of illustrating the structure in the corresponding figures.

Referring to fig. 1-3, the present invention relates to an LED car headlight, which includes a circuit substrate 1 and a heat sink 2, wherein heat pipe columns 3 are disposed on two sides of the circuit substrate 1, a heat conduction column 4 is disposed on an upper end of the circuit substrate 1, a heat conduction filler is disposed inside the heat conduction column 4, and the upper ends of the circuit substrate 1 and the heat pipe columns 3 penetrate through the interior of the heat conduction column 4 and contact with the heat conduction filler; the radiator 2 is a half-ring structure which is formed by folding an aluminum sheet into a corrugated shape through a folding machine and is provided with a notch 21, the heat conduction column 4 at the upper end of the circuit substrate 1 is positioned in an inner ring of the half-ring structure and is connected with the radiator 2, and the LED lamp bead plate 11 is arranged on the surface of the circuit substrate 1.

In this embodiment, the circuit substrate 1 is a copper substrate or a flexible circuit board, the heat pipe column 3 is a heat pipe or a temperature equalizing plate, and is combined with the copper substrate or the flexible circuit to form an electric heat conduction structure, and the surface of the heat pipe column 3 is provided with a groove, and two sides of the circuit substrate 1 are fixed with the groove. The heat conducting column 4 is a copper pipe or an aluminum pipe, the lower end of the heat conducting column 4 in the shape of a circular truncated cone extends to form a convex circular truncated cone, and the heat conducting filler is copper filler or aluminum filler; in this embodiment, the heat-conducting post 4 is combined with aluminum or copper as a filler, and then directly riveted to the inner ring of the heat sink 2.

In the implementation, the radiator 2 is formed by folding an aluminum sheet by a folding machine, and the radiator 2 and a copper pipe or an aluminum pipe are encircled into a semi-annular structure by using a brazing heat treatment technology, wherein the encircled structure can also be determined according to the shape of a lamp body and the shape of a heat conducting column 4; in addition, the thickness of the aluminum sheet of the radiator 2 of the embodiment is 0.1-0.3mm, preferably 0.2mm, which is convenient for heat dissipation.

In this embodiment, please refer to fig. 4, a housing 5 is further disposed on a surface of the heat sink 2, the housing 5 is provided with a vent, a fan 6 is installed in the housing 5, and the fan 6 is located on an upper side of the heat sink 2. Wherein, 1 lower extreme of circuit substrate is equipped with lamp pearl 12 to 5 lower extremes of shell still extend and have the casing 51 that surrounds circuit substrate 1 and heat pipe column 3, wherein the casing 51 lower extreme can also the joint have lens 7, and lens 7 position is corresponding with the lamp pearl, makes lamp pearl 12 focus, and it is better to shine the effect.

It should be further noted that, in this embodiment, a motor for driving the fan to rotate and a power socket disposed on the housing are further provided, which belong to the conventional technology and are not described herein again. Unless otherwise specifically stated or limited, the terms "connected," "fixed," "mounted," "disposed," and the like are to be construed broadly and their specific meanings in the context of the application will be understood by those skilled in the art as appropriate.

The above embodiments are only described as preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a LED car headlight which characterized in that: the LED lamp comprises a circuit substrate and a radiator, wherein heat pipe columns are arranged on two sides of the circuit substrate, heat conducting columns are arranged on the upper end of the circuit substrate, heat conducting fillers are arranged inside the heat conducting columns, the upper ends of the circuit substrate and the heat pipe columns run through the inside of the heat conducting columns, the radiator is a semi-ring structure which is formed by an aluminum sheet through folding into a corrugated shape through a folding machine and is provided with a notch, the heat conducting columns on the upper end of the circuit substrate are located in an inner ring of the semi-ring structure and are connected with the radiator, and an LED lamp bead plate is installed on the surface of the circuit substrate.

2. The LED automobile headlamp according to claim 1, wherein: the heat pipe column is a heat pipe or a temperature-equalizing plate.

3. The LED automobile headlamp according to claim 1, wherein: the circuit substrate is a copper substrate or a flexible circuit board.

4. The LED automobile headlamp according to claim 1, wherein: the radiator surface still is equipped with the shell, the shell is equipped with the ventilation hole, install the fan in the shell, the fan is located the radiator upside.

5. The LED automobile headlamp according to claim 1, wherein: and a lamp bead is arranged at the lower end of the circuit substrate.

6. The LED automobile headlamp according to claim 1, wherein: the heat conduction column is a copper pipe or an aluminum pipe, and the heat conduction filler is a copper filler or an aluminum filler.

7. The LED automobile headlamp according to claim 1, wherein: the thickness of the aluminum sheet of the radiator is 0.1-0.3mm.