CN212132303U

CN212132303U - High light efficiency LED automobile front fog lamp

Info

Publication number: CN212132303U
Application number: CN202021252456.4U
Authority: CN
Inventors: 吴志洪; 黄忠治
Original assignee: Zhongshan City Dlaa Industrial Co ltd
Current assignee: Zhongshan City Dlaa Industrial Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-12-11
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a high light efficiency LED car front fog lamp, including face mirror, backshell, radiator, sealing washer, LED circuit board, lens support and aspheric lens, the face mirror is connected with the backshell, the radiator is arranged in between face mirror and the backshell to adorn in the radiator hole of backshell bottom through the sealing washer, and the outside of radiator hole and place in the backshell is worn out to the heat dissipation main part of its rear side, LED circuit board, lens support and aspheric lens locate in proper order between radiator and the face mirror, wherein, the LED circuit board is adorned on the leading flank of radiator, the lens support is adorned in the backshell through the picture peg of its side and the chute phase-match of backshell inside wall to be located the front side of LED circuit board, aspheric lens is adorned in the big mouth of lens support department through its holding surface. The utility model has the advantages of compact structure, convenient installation, energy saving, consumption saving, good heat dissipation, beautiful appearance, high light efficiency and the like.

Description

High light efficiency LED automobile front fog lamp

Technical Field

The utility model belongs to the technical field of the technique of car front fog lamp and specifically relates to indicate a high light efficiency LED car front fog lamp.

Background

With the development of socio-economic, automobiles have become indispensable means of transportation and delivery in human society. The rapid development of the current automotive industry places ever-increasing demands on automotive lighting. The front fog lamp is arranged at the front part of the automobile and used for illuminating the road in rainy and foggy weather. Because of the low visibility in foggy weather, the driver's sight is restricted. The visibility of a driver and surrounding traffic participants can be improved through the front fog lamp, so that the coming vehicle and the pedestrians can find each other at a far place. And traditional car front fog lamp not only the light source can not the efficient utilization, and heat dispersion is also very poor moreover, because the heat dissipation is not good, and the temperature that leads to the front fog lamp can be very high, and not only light source luminance is not good like this, and is also very power consumptive, also can lead to the life of lamp body to shorten, unsatisfied energy-concerving and environment-protective new era scientific and technological theory.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a compact structure, energy-conservation and consumption-saving, good heat dissipation, handsome in appearance, high light efficiency LED car front fog lamp.

In order to achieve the above object, the present invention provides a technical solution: the utility model provides a high light efficiency LED automobile front fog lamp, includes face mirror, backshell, radiator, sealing washer, LED circuit board, lens support and aspheric lens, the face mirror is connected with the backshell, the radiator is arranged in between face mirror and the backshell to adorn in the radiator hole of backshell bottom through the sealing washer, and the outside of radiator hole and backshell is worn out to the heat dissipation main part of its rear side, so that the lamp body heat dissipation, LED circuit board, lens support and aspheric lens locate in proper order between radiator and face mirror, wherein, the LED circuit board is adorned on the front surface of radiator, is connected with on the LED circuit board and draws forth the wire, it is connected with the cable of car after wearing out through the wire outlet on the backshell to draw forth the wire, the main part of lens support is loudspeaker column structure, and the chute phase-match of the inside wall of backshell is adorned in the, and be located the front side of LED circuit board, and the osculum end of horn-shaped structure is towards the back and cover on the LED lamp of LED circuit board, inserts the degree of depth of chute through the adjustment picture peg, can adjust the angle that the light jetted out of preceding fog lamp, aspheric lens includes exit surface and incident surface, the exit surface includes bellied aspheric mirror surface and lies in the serration of both sides about the aspheric mirror surface, and its incident surface includes the holding surface of indent cambered surface and indent cambered surface left and right sides, just the contour line of arbitrary vertical section of indent cambered surface is the straight line, and this aspheric lens is adorned in the wide-mouth department of lens support through the holding surface, and the effective light that makes the LED lamp through this indent cambered surface jets out and increases to reduce total reflection effect.

Furthermore, four guide posts are respectively processed on two supporting surfaces of the aspheric lens, namely four corner positions of the aspheric lens, mounting holes with the number consistent with that of the guide posts are processed at the positions where the lens support is matched with the guide posts, one guide post is correspondingly inserted into one mounting hole, and the lens support and the aspheric lens are connected through ultrasonic welding.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

the utility model has the advantages of compact structure, convenient installation, energy saving, consumption saving, good heat dissipation, beautiful appearance, high light efficiency and the like, through the combined use of the lens support and the aspheric lens with special structure, the included angle of the light emitted by the LED lamp and the aspheric lens which are concave cambered surfaces relative to the included angle of the incident surface of the aspheric lens which is an inward convex cambered surface is relatively enlarged, the light-emitting rate of the effective light is increased, the total reflection effect of the light is reduced at the same time, and the brightness of the light source is finally improved; through stretching out the backshell with the heat dissipation main part of radiator, then the size of radiator does not receive the influence of backshell size, consequently under the unchangeable condition of lamp body casing size, can be with the bigger of radiator design, the radiating effect is better.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a perspective structural view of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a sectional view taken along the line a-a of the front view of the present invention.

Fig. 5 is a sectional view from B to B of the front view of the present invention.

Fig. 6 is a front view of the aspherical lens of the present invention.

Fig. 7 is a sectional view of an a-a aspheric lens according to the present invention.

Fig. 8 is a B-B sectional view of the aspherical lens of the present invention.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

As shown in fig. 1 to 8, the high light efficiency LED automobile front fog lamp described in this embodiment includes a heat sink 1, an LED circuit board 2, a sealing ring 4, a lens support 5, an aspheric lens 6, a rear housing 7 and a mirror 8, the mirror 8 is connected to the rear housing 7, the heat sink 1 is disposed between the mirror 8 and the rear housing 7 and is installed in a heat sink hole at the bottom of the rear housing 7 through the sealing ring 4, and a heat dissipating main body 101 at the rear side of the heat sink passes through the heat sink hole and is disposed outside the rear housing 7 so as to facilitate heat dissipation of a lamp body, the LED circuit board 2, the lens support 5 and the aspheric lens 6 are sequentially installed between the heat sink 1 and the mirror 8, wherein the LED circuit board 2 is installed on the front side surface of the heat sink 1, the LED circuit board 2 is connected to a lead-out wire (not shown in the drawings), the lead-out wire passes through a wire outlet, the lens main body of the lens support 5 is of a horn-shaped structure, the lens main body is arranged in the rear shell 7 through a plug board 501 on the side surface of the lens main body and a chute on the inner side wall of the rear shell 7 in a matched mode, the lens main body is located on the front side of the LED circuit board 2, a small opening end of the horn-shaped structure faces backwards and covers the LED lamp 201 of the LED circuit board 2, the angle of light emitted by the front fog lamp can be adjusted by adjusting the depth of the plug board 501 inserted into the chute, the aspheric lens 6 comprises an emergent surface and an incident surface, the emergent surface comprises a convex aspheric mirror surface 601 and sawtooth-shaped protrusions 602 located on the upper side and the lower side of the aspheric mirror surface 601, the incident surface comprises an inner concave arc surface 603 and supporting surfaces 604 on the left side and the right side of the inner concave arc surface 603, the contour line of any longitudinal section of the inner concave arc surface 603 is a straight line, the aspheric lens 6 is arranged at the large opening end of, and the total reflection effect is reduced, and the light emitted by the aspheric lens 6 is finally emitted outwards by the mirror 8.

Four guide posts 605 are respectively processed on two supporting surfaces 604 of the aspheric lens 6, namely four corner positions of the aspheric lens 6, mounting holes 501 with the number consistent with that of the guide posts 605 are processed at the positions where the lens support 5 is matched with the guide posts 605, one guide post 605 is correspondingly inserted into one mounting hole 501, and the lens support 5 and the aspheric lens 6 are connected through ultrasonic welding.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high light efficiency LED car front fog lamp which characterized in that: including face mirror, backshell, radiator, sealing washer, LED circuit board, lens support and aspheric lens, the face mirror is connected with the backshell, the radiator is arranged in between face mirror and the backshell to adorn in the radiator hole of backshell bottom through the sealing washer, and the outside of radiator hole and rear shell is worn out to the heat dissipation main part of its rear side, so that the lamp body heat dissipation, LED circuit board, lens support and aspheric lens locate between radiator and the face mirror in proper order, wherein, the LED circuit board is adorned on the leading flank of radiator, is connected with on this LED circuit board and draws forth the wire, it is connected with the cable of car after wearing out through the wire outlet on the backshell to draw forth the wire, the main part of lens support is loudspeaker column structure, and this loudspeaker column structure is adorned in the backshell through the picture peg phase-match of its side and the chute of backshell inside, and the osculum end of horn-shaped structure is towards the back and cover on the LED lamp of LED circuit board, inserts the degree of depth of chute through the adjustment picture peg, can adjust the angle that the light was penetrated to the preceding fog lamp, aspheric lens includes exit surface and incident surface, the exit surface includes bellied aspheric mirror surface and lies in the serration of both sides about the aspheric mirror surface, and its incident surface includes the holding surface of indent cambered surface and indent cambered surface left and right sides, just the contour line of arbitrary vertical section of indent cambered surface is the straight line, and this aspheric lens is adorned in the wide-mouth department of lens support through the holding surface, makes the effective light of LED lamp penetrate through this indent cambered surface and increases to reduce total reflection effect.

2. The high-luminous-efficiency LED automobile front fog lamp as claimed in claim 1, wherein: four guide columns are respectively processed on two supporting surfaces of the aspheric lens, namely four corner positions of the aspheric lens, mounting holes with the number consistent with that of the guide columns are processed at the positions of the lens support matched with the guide columns, one guide column is correspondingly inserted into one mounting hole, and the lens support is connected with the aspheric lens through ultrasonic welding.