CN210624420U - Laser and LED double-light source headlamp - Google Patents

Abstract

The utility model discloses a laser and LED double-light-source headlamp for traffic carrying equipment illumination, wherein, including the front lamp cover, the rear end cap, laser lighting module and LED lighting module all establish in the rear end cap, the front lamp cover is established at the front end of rear end cap, the front lamp covers and is equipped with transparent lens, the light that the LED lighting module sent is towards transparent lens, the strong white light that the laser lighting module sent is towards transparent lens, the light that laser lighting module and LED lighting module sent all can see through transparent lens and outwards jet out, the light that the laser lighting module sent shines apart from long, the divergence angle is little, the light efficiency is strong, the light glare that the LED lighting module sent is little, high efficiency; when long-distance irradiation is needed, the laser illumination module can be started and long-distance irradiation is carried out, and the problems that the irradiation distance is short, the divergence angle is large, the light effect is not high and the like commonly exist in a light source for illuminating traffic carrying equipment are solved.

Description

Laser and LED double-light source headlamp

Technical Field

The utility model relates to a vehicle laser lighting technology field especially relates to a laser and two light source head-lights of LED.

Background

The existing headlamp light source of traffic carrying equipment mostly adopts halogen lamp, high-pressure sodium lamp, mercury lamp and metal halide lamp. The halogen lamp is characterized in that a glass shell of the lamp is filled with some halides, a quartz glass light source is used for the shell, the luminous efficiency reaches 25lm/W, the defects of blackening of an incandescent lamp and low luminous efficiency and short service life are overcome, and the color rendering index reaches 100; the high-pressure sodium lamp generates a luminous phenomenon by sodium vapor discharge, the temperature and the pressure required by the high-pressure sodium lamp during working are high, the luminous efficiency can reach 150lm/W, the color rendering index is improved compared with that of a halogen lamp, the standard type is about 20-30, and the service life is 1600-2000 hours; the mercury lamp is an electric light source which obtains visible light by utilizing mercury vapor generated during mercury discharge, has low luminous efficiency, long service life and poor color rendering property, presents cold blue white light as the appearance of the color, but combines the characteristics of continuous spectrum of an incandescent lamp and line spectrum of the high-pressure mercury lamp, and has high luminous flux and good color rendering property; a metal halide lamp, a metal halide lamp for short, is a light source widely used in a gas discharge lamp, and is characterized in that metal halide is added into a mercury vapor discharge tube, and when in discharge, besides a high-pressure mercury vapor spectrum line, spectrums of other colors can be generated, the light color of the appearance is white, and the color rendering property and the light effect of light are improved.

In recent years, a few traffic vehicle light fixtures manufacturers have begun to introduce LED light sources into traffic vehicle headlamps and have received customer acceptance. The LED light source belongs to an all-solid cold light source, and has the advantages of smaller volume, lighter weight, firmer structure and small glare; the working voltage is low, a direct current driving mode is adopted, the power consumption is ultra-low, and the service life is long; the spectrum of the LED is almost totally concentrated in the visible light frequency range, the efficiency can reach 80% -90%, the light efficiency of an incandescent lamp with the same light efficiency is only 10% -20%, the power of a single LED is generally 0.5-5W, the service life is 6-10 ten thousand hours, and different requirements can be met in a clustering mode.

However, the above light sources for lighting of traffic carrying equipment generally have the problems of short irradiation distance, large divergence angle and low light efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a laser and LED double-light source headlamp.

According to the utility model discloses an aspect provides a two light source head-lights of laser and LED, including preceding lamp shade, rear end housing, laser lighting module and LED lighting module all establish in the rear end housing, and the front end at the rear end housing is established to the preceding lamp cover, and the preceding lamp covers and is equipped with transparent lens, and the light that LED lighting module sent is towards transparent lens, and the strong white light that the laser lighting module sent is towards transparent lens.

The utility model discloses all install laser lighting module and LED lighting module in the rear end cap, the light that laser lighting module and LED lighting module sent all can see through transparent lens and outwards jet out, and the light irradiation distance that the laser lighting module sent is long, the divergence angle is little, the light efficiency is strong, and the light glare that the LED lighting module sent is little, efficient. When long-distance irradiation is needed, the laser illumination module can be started and long-distance irradiation is carried out, and the problems that the irradiation distance is short, the divergence angle is large, the light effect is not high and the like commonly exist in a light source for illuminating traffic carrying equipment can be solved.

In some embodiments, the LED lighting module further comprises a power supply assembly, the rear end cover is provided with an accommodating cavity, the power supply assembly is arranged at the bottom end of the accommodating cavity, and the power supply assembly supplies electric energy to the laser lighting module and the LED lighting module. Therefore, the power supply assembly can be connected with external alternating current or direct current, and the laser lighting module and the LED lighting module are supplied with electric energy through the power supply assembly.

In some embodiments, a vent valve is provided on the rear end cap. From this, atmospheric pressure and the difference in temperature in the back end cover can be balanced to the ventilative valve, can be with the heat that laser lighting module and LED lighting module produced in the back end cover and the gas discharge outside of inflation after the heating.

In some embodiments, the power supply assembly is provided with a power connector, and the power connector is electrically connected with the laser lighting module. Therefore, the laser lighting module can be conveniently and electrically connected with an external power supply through the power connector.

In some embodiments, the front lampshade is provided with an outer shell, the outer shell is annular, the outer ring of the outer shell is provided with a plurality of through holes, the front lampshade is annular, the outer ring of the front lampshade is provided with a plurality of bulges, the bulges are used for being clamped into the through holes, and the transparent lens is used for being clamped on the outer shell. Thus, the outer housing can be covered on the headlight cover, and the transparent lens can be clamped by the outer housing.

In some embodiments, a circle of columns is arranged in the accommodating cavity of the rear end cover, and a plane plate is arranged on the back surface of the front lampshade and is used for abutting against the surface of the columns. Therefore, the upright post can play a role in connecting and supporting the plane plate, and the front lamp cover can be fixed on the rear end cover through the upright post.

In some embodiments, the planar plate is provided with a plurality of clamping grooves, and the back surface of the front lampshade is provided with a plurality of buckles for clamping the clamping grooves.

Drawings

Fig. 1 is a schematic structural diagram of a laser and LED dual-light source headlamp according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a rear surface of the dual laser and LED light source headlamp shown in FIG. 1;

FIG. 3 is a schematic view of a hidden transparent lens of the dual-light-source laser and LED headlamp shown in FIG. 1;

FIG. 4 is a schematic structural diagram of an outer housing, a front cover and a rear cover of the dual laser and LED light source headlamp shown in FIG. 1;

FIG. 5 is an enlarged schematic view of a portion A of the dual laser and LED source headlamp shown in FIG. 1;

FIG. 6 is a schematic structural view of a hidden rear end cap of the dual-light-source laser and LED headlamp shown in FIG. 2;

FIG. 7 is a schematic diagram of a hidden power supply assembly of the dual laser and LED source headlamp of FIG. 6;

fig. 8 is a schematic structural diagram of a middle plane plate of the laser and LED dual-light source headlamp shown in fig. 1.

In the figure, 1-the front lamp cover; 11-an outer shell; 111-a via; 12-a bump; 13-a planar plate; 131-a card slot; 14-buckling; 2-rear end cap; 21-a gas permeable valve; 22-upright post; 3-a laser lighting module; 4-an LED lighting module; 5-a transparent lens; 6-power supply components; 61-Power connection.

Detailed Description

The present invention will be further explained with reference to the drawings and the embodiments.

Fig. 1 to 8 schematically show the structure of a laser and LED dual-light source headlamp according to an embodiment of the present invention.

As shown in fig. 1 to 8, the laser and LED dual-light source headlamp comprises a front lampshade 1, a rear end cover 2, a laser lighting module 3 and an LED lighting module 4. In addition, the laser and LED dual-light source headlamp can further comprise a transparent lens 5 and a power supply assembly 6.

Laser lighting module 3 and LED lighting module 4 all can be installed in rear end housing 2, and front end at rear end housing 2 can be installed to preceding lamp shade 1, installs transparent lens 5 on the preceding lamp shade 1, and the light that LED lighting module 4 sent can be towards transparent lens 5, and the strong white light that laser lighting module 3 sent can be towards transparent lens 5. Therefore, the light emitted from the LED lighting module 4 can be emitted through the transparent lens 5, and the strong white light emitted from the laser lighting module 3 can also be emitted through the transparent lens 5. Therefore, the laser lighting module 3 and/or the LED lighting module 4 can be selectively turned on as needed.

In this embodiment, the laser lighting module 3 and the LED lighting module 4 are both a conventional light emitting device, and the specific light emitting principle thereof is not described herein again.

As shown in fig. 4, in the present embodiment, the rear end cover 2 is integrally formed with an accommodating cavity, the power supply assembly 6 may be located at the bottom end of the accommodating cavity, that is, the power supply assembly 6 is tightly attached and fixed on the bottom surface of the accommodating cavity, and the power supply assembly 6 may be connected with external ac or dc power, so that the power supply assembly 6 may provide power for the laser lighting module 3 and the LED lighting module 4. In addition, in this embodiment, the power supply module 6 may be made into a flat plate structure, the laser lighting module 3 and the LED lighting module 4 may be fixed to the upper surface of the corresponding power supply module 6, and the lower surface of the power supply module 6 is fixed to the bottom surface of the accommodating chamber, so that the power supply module 6 may also function to fix the laser lighting module 3 and the LED lighting module 4 in the rear end cap 2, so that the laser lighting module 3, the LED lighting module 4, and the rear end cap 2 are integrated.

In the present embodiment, the rear end cap 2 is provided with the vent valve 21, and the vent valve 21 can balance the air pressure and temperature difference in the rear end cap 2 and can exhaust the heat and gas in the rear end cap 2 to the outside. In the present embodiment, the purge valve 21 is an existing device, that is, the purge valve 21 may be a one-way valve, which can discharge the internal high-pressure and high-temperature gas to the outside, but the external gas or liquid does not enter the inside; therefore, the breather valve 21 can discharge high-temperature and high-pressure gas in the rear end cap 2, and prevent components mounted on the rear end cap 2 from being damaged due to excessive air pressure and temperature in the rear end cap 2, so that external gas or liquid does not enter the rear end cap 2 from the breather valve 21 and affect the use of the components such as the laser lighting module 3 and the LED lighting module 4 in the rear end cap 2.

As can be seen from fig. 6, in the present embodiment, there are three power modules 6, two of the power modules 6 are electrically connected to the LED lighting module 4, that is, an external power can be LED into through holes of the two power modules 4 through a wire and finally enter the LED lighting module 4 to provide power for the LED lighting module 4, and a power connector 61 can be mounted on the other power module 6, and the power connector 61 can be electrically connected to an external power to provide power for the laser lighting module 3.

As shown in fig. 3 and 4, in the present embodiment, the headlight cover 1 is provided with an outer casing 11, the outer casing 11 is annular, a plurality of through holes 111 are formed on an outer ring of the outer casing 11, the headlight cover 1 is annular, a plurality of protrusions 12 are integrally formed at corresponding positions on the outer ring of the headlight cover 1, and the protrusions 12 can be inserted into the through holes 111; in addition, the transparent lens 5 can be installed on the outer casing 11, the opening formed on the upper end surface of the outer casing 11 is smaller than the outer ring of the transparent lens 5, and the opening formed on the upper end surface of the outer casing 11 is larger than the outer ring of the transparent lens 5, so that the transparent lens 5 can be tightly attached to the upper end surface of the outer casing 11, then the outer casing 11 can be clamped on the front lampshade 1, and the transparent lens 5 can be clamped and covered at the front end of the front lampshade 1.

In the present embodiment, the front cover 1 may be integrally formed at the front end (or the upper end) of the rear cover 2. In other embodiments, the headlight cover 1 may be detachably or screwed to the front end (or the upper end) of the rear cover 2.

As shown in fig. 4, in the present embodiment, a circle of posts 22 are formed in the receiving cavity of the rear cover 2, the flat panel 13 is mounted on the rear surface of the front cover 1, and the lower end surface of the flat panel 13 can abut on the upper surface of the posts 22, so that the posts 22 can function as a connecting and supporting part of the flat panel 13, and the front cover 1 can be fixed on the rear cover 2 through the posts 22.

As shown in fig. 6 and 7, in the present embodiment, three locking grooves 131 are formed on the flat plate 13, three locking hooks 14 are formed at corresponding positions on the back surface of the front light cover 1, and the locking hooks 14 can be locked into the locking grooves 131, so that the locking hooks 14 lock the locking grooves 131, so that the flat plate 13 is locked on the back surface of the front light cover 1.

The utility model discloses all install laser lighting module 3 and LED lighting module 4 in rear end cap 2, the light that laser lighting module 3 and LED lighting module 4 sent all can see through transparent lens 5 and outwards jet out, and the illumination distance of the light that laser lighting module 3 sent is long, the divergence angle is little, the light efficiency is strong, and the glare of the light that LED lighting module 4 sent is little, efficient. When long-distance irradiation is needed, the laser illumination module 3 can be started and long-distance irradiation is carried out, and the problems that the irradiation distance is short, the divergence angle is large, the light effect is not high and the like commonly exist in a light source for illuminating traffic carrying equipment are solved.

The present invention is not limited to the above-mentioned alternative embodiments, and various other products can be obtained by anyone under the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.

Claims (7)

1. The utility model provides a two light source head-lights of laser and LED, its characterized in that, includes preceding lamp shade (1), rear end cap (2), laser lighting module (3) and LED lighting module (4) are all established in rear end cap (2), preceding lamp shade (1) is established the front end of rear end cap (2), be equipped with clear lens (5) on preceding lamp shade (1), the light orientation that LED lighting module (4) sent clear lens (5), strong white light orientation that laser lighting module (3) sent transparent lens (5).

2. The headlamp as defined by claim 1, further comprising a power module (6), wherein the rear end cap (2) is formed with an accommodating cavity, the power module (6) is arranged at the bottom end of the accommodating cavity, and the power module (6) provides electric energy for the laser lighting module (3) and the LED lighting module (4).

3. The headlamp of claim 2, wherein the rear end cap (2) is provided with a ventilation valve (21).

4. The double-light-source laser and LED headlamp according to claim 3, wherein a power connector (61) is arranged on the power assembly (6), and the power connector (61) is electrically connected with the laser lighting module (3).

5. The laser and LED double-light-source headlamp according to claim 4, wherein an outer shell (11) is arranged on the front lampshade (1), the outer shell (11) is annular, a plurality of through holes (111) are formed in the outer ring of the outer shell (11), the front lampshade (1) is annular, a plurality of protrusions (12) are arranged on the outer ring of the front lampshade (1), the protrusions (12) are used for being clamped into the through holes (111), and the transparent lens (5) is used for being clamped onto the outer shell (11).

6. The headlamp of claim 5, wherein a circle of vertical columns (22) are arranged in the accommodating cavity of the rear end cover (2), and a plane plate (13) is arranged on the back surface of the front lampshade (1), wherein the plane plate (13) is used for abutting against the surfaces of the vertical columns (22).

7. The head lamp with the laser and the LED double light sources as claimed in claim 6, wherein a plurality of slots (131) are formed on the plane plate (13), a plurality of buckles (14) are formed on the back surface of the front lamp cover (1), and the buckles (14) are used for clamping the slots (131).

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