CN211875905U - LED headlight replacing xenon lamp - Google Patents

Abstract

The utility model discloses a belong to car LED headlight technical field, specifically be a replace LED headlight of xenon lamp, including the axis, set up the recess in the axis, install the superconducting heat pipe in the recess, the superconducting heat pipe upper end is located the axis top, the outside welding of axis upper end has the radiator, the radiator is the annular structure that encloses after an aluminum sheet is rolled over into corrugate, the axis is located the radiator ring, the outer wall fixedly connected with shell above the axis, the radiator is located the shell inner chamber, the shell upper end is installed the top cap, through the setting that radiator, axis, lamp pearl board, superconducting heat pipe, copper base plate and lamp pearl use liquid phase transition welding technique to weld together, reduces the thermal resistance, makes the heat that produces on lamp pearl board and the lamp pearl can be passed through the superconducting heat pipe fast and reach the radiator to take away the heat through the fan, the heat dissipation effect is good, so that the high-power LED lamp bead capable of achieving the brightness of the xenon lamp can be used.

Description

LED headlight replacing xenon lamp

Technical Field

The utility model relates to a LED headlight technical field specifically is a replace LED headlight of xenon lamp.

Background

An LED lamp is a lamp using a light emitting diode as a light source, and generally, a semiconductor LED is cured on a support by using silver paste or white paste, and then a chip and a circuit board are connected by using silver wires or gold wires, and the periphery is sealed by epoxy resin to protect an internal core wire, and finally, a housing is installed. The LED lamp has the advantages of energy conservation, long service life, environmental protection, shock resistance and the like, can directly emit light with seven colors, and is generally applied to the fields of traffic signal lamps, display screens, automobile signal lamps and the like.

Most of road surface 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 reached by the existing LEDs on the market, the luminous flux brightness can reach the LED headlamps with the brightness of the xenon lamps, the heat dissipation of the existing LED headlamps on the market is not enough, so the power is not high, and therefore an energy-saving environment-friendly LED automobile lamp is required to replace the xenon lamps.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a replace LED headlight of xenon lamp to solve the luminance that current LED can not reach the xenon lamp on the market that proposes in the above-mentioned background art, and the LED headlight that the smooth luminance can reach xenon lamp luminance, current LED headlight heat dissipation is not enough on the market, so the problem that power is not high.

In order to achieve the above object, the utility model provides a following technical scheme: an LED headlamp replacing a xenon lamp comprises a center shaft, wherein a groove is formed in the center shaft, a superconducting heat pipe is installed in the groove, the upper end of the superconducting heat pipe is positioned above the center shaft, a radiator is welded on the outer side of the upper end of the center shaft, the radiator is an annular structure formed by folding an aluminum sheet into a corrugated shape and then enclosing, the center shaft is positioned in a radiator ring, the outer wall of the upper portion of the center shaft is fixedly connected with a shell, the radiator is positioned in an inner cavity of the shell, a top cover is installed at the upper end of the shell, a fan is installed below the inner cavity of the top cover, a chuck is screwed at the lower side of the shell and positioned at the middle upper side of the outer wall of the center shaft, a lamp bead plate is installed in the middle of the left side of the center shaft, a copper substrate is connected at the lower end of, the middle shaft lower end is fixedly connected with a buckle, a lens is clamped in the buckle and is located on the lower side of the lamp bead, and the lens corresponds to the lamp bead up and down in position.

Preferably, the thickness of the aluminum sheet of the radiator is 0.3 mm.

Preferably, a motor is installed in the fan.

Preferably, the upper end of the top cover is provided with a vent.

Preferably, the fan is vertically aligned with the radiator.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the traditional radiator has small radiating area and large middle gap, and compared with the traditional radiator, the radiator made by folding an aluminum sheet has larger radiating area and better radiating effect;

2) the heat resistance is reduced by the arrangement that the radiator, the middle shaft, the lamp bead plate, the superconducting heat pipe, the copper substrate and the lamp beads are welded together by using a liquid phase change welding technology, so that heat generated on the lamp bead plate and the lamp beads can be quickly transferred to the radiator through the superconducting heat pipe, the heat is taken away through the fan, the radiating effect is excellent, and the high-power LED lamp beads capable of achieving the brightness of the xenon lamp can be used;

3) through the setting of lens and lamp pearl, pass through a focus of lens standard with the light that the lamp pearl produced, the distance light focus is placed in the middle, and the illuminating effect is farther, spotlight more, and the light single face of lamp pearl board reflects up for the use of paving of passing light.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is a schematic top view of the heat sink of the present invention;

fig. 5 is a schematic top view of the present invention;

fig. 6 is a schematic view of the working structure of the present invention.

In the figure: 1 lens, 2 buckles, 3 lamp pearls, 4 copper base plates, 5 middle shafts, 6 superconducting heat pipes, 7 lamp pearl plates, 8 chucks, 9 shells, 10 radiators, 11 fans, 12 top covers and 13 grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-6, the present invention provides a technical solution: an LED headlamp replacing a xenon lamp comprises a center shaft 5, wherein a groove 13 is formed in the center shaft 5, a superconducting heat pipe 6 is installed in the groove 13, the upper end of the superconducting heat pipe 6 is located above the center shaft 5, the superconducting heat pipe 6 has high heat transfer efficiency, a radiator 10 is welded on the outer side of the upper end of the center shaft 5, the radiator 10 is an annular structure formed by folding an aluminum sheet into a corrugated shape and then enclosing, the heat dissipation area is increased under the same volume, the center shaft 5 is located in a ring of the radiator 10, the outer wall above the center shaft 5 is fixedly connected with a shell 9, the radiator 10 is located in the inner cavity of the shell 9, a top cover 12 is installed at the upper end of the shell 9, a fan 11 is installed below the inner cavity of the top cover 12, a chuck 8 is screwed on the lower side of the shell 9, the chuck 8 is located on the upper side of the outer wall of the center, a near-beam lamp bead is arranged on the lamp bead plate 7, the lower end of the middle shaft 5 is connected with a copper substrate 4, the lower end of the copper substrate 4 is connected with a lamp bead 3, the radiator 10, the middle shaft 5, the lamp bead plate 7, the superconducting heat pipe 6, the copper substrate 4 and the lamp beads 3 are welded and fixed through the liquid metal phase change welding principle, used for reducing thermal resistance, the liquid metal phase change welding is the prior art, the heat generated by the lamp bead plate 7 and the lamp beads 3 is transferred to the superconducting heat pipe 6 through the central shaft 5, the superconducting heat pipe 6 transfers the heat to the radiator 10, the heat on the radiator 10 is taken away by the fan 11, the lower end of the middle shaft 5 is fixedly connected with a buckle 2, the buckle 2 is connected with the lens 1 in a clamping way, the lens 1 is used for focusing the light generated by the lamp bead 3, so that the irradiation effect of the lamp bead 3 is farther and the light is more focused, lens 1 is located 3 downside of lamp pearls, just lens 1 corresponds from top to bottom with 3 positions of lamp pearls.

The thickness of the aluminum sheet of the radiator 10 is 0.3mm, which is convenient for heat dissipation.

The fan 11 is provided with a motor for driving the fan 11 to rotate.

The upper end of the top cover 12 is provided with a vent, so that heat dissipation is facilitated.

The fan 11 is vertically corresponding to the heat sink 10, so that the fan 11 can take away heat from the heat sink 10.

The working principle is as follows: radiator 10, axis 5, lamp pearl board 7, superconductive heat pipe 6, through liquid metal phase transition welding principle welded fastening between copper base plate 4 and the lamp pearl 3 as an organic whole, reduce the thermal resistance, the heat that lamp pearl board 7 and lamp pearl 3 produced transmits to superconductive heat pipe 6 through axis 5, superconductive heat pipe 6 transmits heat to radiator 10, and take away the heat on the radiator 10 through fan 11, the heat radiating area has been increased under equal volume to the structure setting of radiator 10, the radiating efficiency is improved, when the headlight on the vehicle used the high power LED headlight that reaches xenon lamp luminance, good radiating effect makes the LED headlight can use for a long time, can not damage because of the heat dissipation problem, reach the effect of replacing the xenon lamp completely.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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.

Claims (5)

1. An LED headlight for replacing a xenon lamp comprises a central shaft (5), and is characterized in that: the improved heat dissipation device is characterized in that a groove (13) is formed in the middle shaft (5), the superconducting heat pipe (6) is installed in the groove (13), the upper end of the superconducting heat pipe (6) is located above the middle shaft (5), a radiator (10) is welded on the outer side of the upper end of the middle shaft (5), the radiator (10) is an annular structure formed by folding an aluminum sheet into a corrugated shape and then enclosing, the middle shaft (5) is located in an annular of the radiator (10), a shell (9) is fixedly connected to the outer wall of the upper portion of the middle shaft (5), the radiator (10) is located in the inner cavity of the shell (9), a top cover (12) is installed at the upper end of the shell (9), a fan (11) is installed below the inner cavity of the top cover (12), a chuck (8) is screwed to the lower side of the shell (9), the chuck (8) is located, the novel heat dissipation device is characterized in that the lower end of the middle shaft (5) is connected with a copper substrate (4), the lower end of the copper substrate (4) is connected with a lamp bead (3), the radiator (10), the middle shaft (5), a lamp bead plate (7), the superconducting heat pipe (6), the copper substrate (4) and the lamp bead (3) are fixedly welded through a liquid metal phase change welding principle, the lower end of the middle shaft (5) is fixedly connected with a buckle (2), a lens (1) is clamped in the buckle (2), the lens (1) is located on the lower side of the lamp bead (3), and the lens (1) corresponds to the lamp bead (3) in position up and.

2. The LED headlight replacing the xenon lamp according to claim 1, wherein: the thickness of the aluminum sheet of the radiator (10) is 0.3 mm.

3. The LED headlight replacing the xenon lamp according to claim 1, wherein: the fan (11) is internally provided with a motor.

4. The LED headlight replacing the xenon lamp according to claim 1, wherein: the upper end of the top cover (12) is provided with a ventilation opening.

5. The LED headlight replacing the xenon lamp according to claim 1, wherein: the fan (11) is vertically corresponding to the radiator (10).

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