CN218583037U

CN218583037U - Lighting lamp and vehicle

Info

Publication number: CN218583037U
Application number: CN202222481134.2U
Authority: CN
Inventors: 李春波
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-03-07
Anticipated expiration: 2032-09-19

Abstract

The embodiment of the application discloses an illuminating lamp and a vehicle, and the illuminating lamp comprises a lamp shade, a lamp shell, a light-emitting component and a radiator, wherein the lamp shell is fixedly connected with the lamp shade and encloses a closed first cavity; the light-emitting assembly is positioned in the first chamber and is fixedly connected with the lamp shell; the radiator is positioned in the first chamber and fixedly connected with the light-emitting component. Because an airtight first cavity is formed between the lampshade and the lamp shell, and the light-emitting component and the radiator are both arranged in the first cavity, the sealing performance of the illuminating lamp is improved, and the condition that the illuminating lamp is damaged due to water inflow can be effectively avoided.

Description

Lighting lamp and vehicle

Technical Field

The utility model relates to a vehicle car light field, concretely relates to light and vehicle.

Background

The vehicle fog lamp can be used for illuminating roads and safety warning in rainy and foggy weather during driving. Generally, a light source body of a fog lamp includes a halogen lamp and an LED (light Emitting Diode) lamp, and the LED lamp is adopted by more and more vehicles due to high brightness and high photoelectric conversion efficiency. In the related art, the LED lamp used in the fog lamp has a large power, and it needs to be cooled by an aluminum heat sink, and the heat generated by the LED lamp is conducted to the aluminum heat sink and then cooled by natural air cooling or the like. However, the fog lamp is used in a bad environment, which is likely to cause the fog lamp to be damaged due to water entering the fog lamp.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a light and vehicle with good sealing performance.

In a first aspect, an embodiment of the present application provides an illumination lamp, which includes a lamp cover, a lamp housing, a light emitting assembly, and a heat sink, where the lamp housing is fixedly connected to the lamp cover and encloses a first sealed cavity; the light-emitting assembly is positioned in the first chamber and is fixedly connected with the lamp shell; the radiator is positioned in the first chamber and fixedly connected with the light-emitting component.

In some exemplary embodiments, the light emitting assembly includes a light source body and an inner lens, the light source body is fixedly connected to the lamp housing, and the light source body faces the lamp cover; the inner lens is fixedly connected with the lamp shell, and the inner lens covers the light source body.

In some exemplary embodiments, the lighting lamp further includes a circuit board fixedly connected to the lamp housing, the circuit board has an outer surface facing the lamp housing and an inner surface facing the lamp housing, and the light source body and the inner lens are disposed on the outer surface.

In some exemplary embodiments, the heat sink has a heat dissipation plane attached to an inner surface of the circuit board.

In some exemplary embodiments, the lamp housing includes a mounting seat, the mounting seat is disposed on an outer surface of the lamp housing facing the lamp cover, and the heat sink, the circuit board, and the inner lens are stacked and fixed to the mounting seat from inside to outside.

In some exemplary embodiments, the mount has a threaded hole, the inner lens has a first via, the circuit board has a second via, and the heat spreader has a third via, and the screw passes through the first via, the second via, and the third via and locks into the threaded hole.

In some exemplary embodiments, the heat sink is provided with a first positioning hole, the circuit board is provided with a second positioning hole, the inner lens is provided with a third positioning hole, and the mounting seat is provided with a positioning column, wherein the positioning column is in plug-in fit with the first positioning hole, the second positioning hole and the third positioning hole.

In some exemplary embodiments, the periphery of the lamp housing is welded to the lamp cover.

In some exemplary embodiments, the illumination lamp is a front fog lamp or a rear fog lamp.

In a second aspect, an embodiment of the present application provides a vehicle, including a vehicle body and the illumination lamp, the illumination lamp is provided on the vehicle body.

Has the advantages that: because an airtight first cavity is formed between the lampshade and the lamp shell, the radiator and the light-emitting component are both arranged in the first cavity, the sealing performance of the illuminating lamp is improved, and the condition that the illuminating lamp is damaged due to water inflow can be effectively avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a rear bumper with a rear fog lamp according to the related art;

FIG. 2 is a perspective exploded view of a rear fog lamp in the related art;

FIG. 3 is a schematic cross-sectional view of a rear fog lamp of the related art;

FIG. 4 is a schematic perspective view of a rear fog lamp of the present embodiment;

FIG. 5 is an exploded perspective view of the rear fog lamp of the present embodiment;

FIG. 6 is a schematic cross-sectional view of a rear fog lamp of the present embodiment;

FIG. 7 is a schematic cross-sectional view showing a cross-section of the inner lens, circuit board, heat sink and housing mounting structure of the rear fog lamp of the present embodiment;

fig. 8 is a schematic cross-sectional view showing another cross-section of the mounting structure of the inner lens, the circuit board, the heat sink and the lamp housing of the rear fog lamp of the present embodiment.

Description of the reference numerals:

1', a rear fog lamp; 11', a lampshade; 12', a lamp housing; 13', a radiator; 14', a sealing ring; 15', a screw; 16', a first chamber; 2', a rear bumper;

1. a lighting lamp; 11. a lamp shade; 12. a lamp housing; 121. a mounting base; 122. a threaded hole; 124. a positioning column; 125. a first outer surface; 126. a first inner surface; 13. a heat sink; 131. installing the edge; 132. a heat dissipation plane; 15. a screw; 16. a first chamber; 17. a light emitting element; 171. an inner lens; 1711. a light-emitting part; 1712. an installation part; 172. a light source body; 173. a second chamber; 18. a circuit board; 181. a second outer surface; 182. a second inner surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

As shown in fig. 1 to 3, in the related art, a rear fog lamp 1 'is mounted on a rear bumper 2', and the rear fog lamp 1 'includes a lamp housing 11', a lamp housing 12', a heat sink 13', and a light emitting assembly. The lamp housing 12 'is mounted on the inner surface of the lamp housing 11', and a first cavity 16 'is formed between the lamp housing 12' and the lamp housing 11', and the light emitting assembly is fixed inside the first cavity 16'. The lamp housing 12 'has a threaded hole, and the heat sink 13' has a through hole correspondingly. During installation, the radiator 13' is butted with the lamp housing 12' to align the through holes and the threaded holes, then screws 15' penetrate through the through holes and are locked into the threaded holes, and the radiator 13' is fixed outside the rear fog lamp 1 '. In order to improve the sealing performance between the heat sink 13' and the lamp envelope 12', a sealing ring 14' is provided at the interface between the two. However, water is easily introduced into the seal ring 14', thereby causing damage to the rear fog lamp 1'.

As shown in fig. 4 to 8, an illumination lamp 1 according to an embodiment of the present disclosure includes a lamp housing 11, a lamp housing 12, a light emitting assembly 17, and a heat sink 13. The lamp housing 11 can be made of a light-transmitting material or has a light-transmitting portion, and the lamp housing 11 has an inner side facing the lamp housing 12, which may be a side facing the interior of the vehicle, and an outer side facing away from the lamp housing 12, which may be a side facing the exterior of the vehicle. The lamp housing 12 can carry the light emitting assembly 17 and the heat sink 13, the lamp housing 12 is fixedly connected to the lamp shade 11, the lamp housing 12 is located on the inner side of the lamp shade 11, and a first sealed cavity 16 with a certain volume is formed between the lamp housing 12 and the lamp shade 11. The light emitting assembly 17 can illuminate roads and safety warnings in the environments of rain, fog, night and the like, the light emitting assembly 17 is located inside the first chamber 16, the light emitting assembly 17 is fixedly connected with the lamp shell 12, and light emitted by the light emitting assembly 17 can irradiate the outside of a vehicle through the lampshade 11. The heat sink 13 can be used for dissipating heat generated by the light emitting assembly 17 during operation, the heat sink 13 is located inside the first cavity 16, and the heat sink 13 is fixedly connected with the light emitting assembly 17.

Because the radiator 13 sets up in the inside of light 1, saved the sealing washer structure between lamp body and the radiator among the correlation technique, first cavity 16 between lamp shade 11 and the lamp body 12 is airtight moreover, and radiator 13 installs in the inside of first cavity 16 to can effectively avoid light 1 to appear causing the condition of damage because of intaking. In addition, compared with the external heat sink generally using die-cast aluminum in the related art, the internal heat sink 13 in this embodiment may use bent heat-dissipating aluminum sheets, so as to effectively reduce the cost.

Further, in order to achieve a hermetic connection between the lamp housing 12 and the lamp casing 11 and ensure the hermetic sealing performance of the first chamber 16, the periphery of the lamp housing 12 may be fixed to the lamp casing 11 by welding. In order to facilitate heat dissipation by the heat sink 13, the lamp housing 12 may be provided with a gas-permeable film.

Further, the lamp housing 12 has a first outer surface 125 facing the lamp housing 11 and a first inner surface 126 facing away from the lamp housing 11. The lamp housing 12 further has a mounting seat 121, and the mounting seat 121 is disposed on a first outer surface 125 of the lamp housing 12 and protrudes toward the lampshade 11. The light emitting assembly 17 and the heat sink 13 may both be fixedly connected to the mounting base 121.

The lighting lamp 1 may further include a circuit board 18, where the circuit board 18 includes a board body, circuit components disposed on the board body, and electronic wires connecting the circuit components. The circuit board 18 is fixedly mounted to the mounting seat 121 of the lamp housing 12. The circuit board 18 has a second outer surface 181 facing the lamp housing 11 and a second inner surface 182 facing away from the lamp housing 11, the light emitting assembly 17 can be fixedly mounted on the second outer surface 181 of the circuit board 18, and the heat sink 13 can be fixedly mounted on the second inner surface 182 of the circuit board 18, such that the light emitting assembly 17 and the heat sink 13 are respectively located outside and inside the circuit board 18.

Further, the light emitting assembly 17 includes a light source body 172 and an inner lens 171, the light source body 172 is fixedly mounted on the second outer surface 181 of the circuit board 18, the light source body 172 is electrically connected to the circuit board 18, and the light source body 172 can respond to an electrical signal and generate light. The inner lens 171 is fixedly mounted on the second outer surface 181 of the circuit board 18, and the inner lens 17 can increase the irradiation intensity and the irradiation distance of the illumination lamp 1. The light source body 172 can adopt an LED lamp, and the LED lamp can be provided with more lamp beads, so that the illumination brightness is high, the illumination range is wide, and the illumination range of the illuminating lamp 1 is further improved. Of course, the light source body 172 is not limited to the LED lamp, and other light source bodies 172 that need heat dissipation and can generate light satisfying the illumination condition may be used.

The inner lens 171 may include an light emitting portion 1711 and a mounting portion 1712, the light emitting portion 1711 may emit light, and the mounting portion 1712 may be fixedly mounted to the inner lens 171. The light emitting portion 1711 may extend in the axial direction of the inner lens 171, the mounting portion 1712 may extend in the radial direction of the inner lens 171, and the mounting portion 1712 may be provided on the peripheral side of the light emitting portion 1711. The light exit portion 1711 is provided to project from the mounting portion 1712 in the axial direction of the inner lens 171. The mounting portion 1712 is fixedly connected to the circuit board 18, and the inner lens 171 is fixedly mounted on the circuit board 18. A second cavity 173 is enclosed between the light emitting portion 1711, the mounting portion 1712 and the circuit board 18, the light source body 172 is located in the second cavity 173, the inner lens 171 can cover the light source body 172, and light emitted from the light source body 172 at multiple angles can be emitted through the inner lens 171. The heat sink 13 may have a mounting flange 131, and the mounting flange 131 is fixedly connected to the mounting seat 121 of the lamp housing 12. The heat sink 13 may further have a heat dissipating plane 132, the heat dissipating plane 132 may have a larger surface area, and the heat dissipating plane 132 may be attached to the second inner surface 182 of the circuit board 18, so that the heat sink 13 and the circuit board 18 have a larger contact area.

Further, the mounting seat 121 of the lamp housing 12 has a threaded hole 122. The threaded hole 122 extends from the top end surface of the mounting seat 121 toward the first outer surface 125 of the lamp housing 12, and the threaded hole 122 may be a blind hole. The mounting portion 1712 of the inner lens 171 has a first through hole (not shown) passing through the inner and outer surfaces thereof, the circuit board 18 has a second through hole (not shown) passing through the second inner surface 182 and the second outer surface 181 thereof, the mounting edge 131 of the heat sink 13 has a third through hole (not shown) passing through the inner and outer surfaces thereof, and the screw hole 122, the first through hole, the second through hole, and the third through hole are aligned and communicated. The lighting lamp 1 may further include a screw 15, and the screw 15 sequentially passes through the first through hole, the second through hole and the third through hole from outside to inside and then is locked into the threaded hole 122 of the mounting seat 121, so as to fixedly mount the inner lens 171, the circuit board 18 and the heat sink 13 to the lamp housing 12. In a specific structure, the lighting lamp 1 may have two screws 15, the first outer surface 125 of the lamp housing 12 is provided with two mounting seats 121, the two mounting seats 121 are arranged at intervals, and each mounting seat 121 is provided with one threaded hole 122; correspondingly, the inner lens 171 has two first via holes, the circuit board 18 has two second via holes, the heat sink 13 has two third via holes, and each screw 15 passes through the corresponding first via hole, second via hole and third via hole and then is locked into the corresponding threaded hole 122. The two screws 15 may be symmetrically disposed about the axis of the inner lens 171. Each screw 15 is fixedly connected with the mounting seat 121 of the lamp housing 12 after penetrating through the inner lens 171, the circuit board 18 and the heat sink 13, so that the fixed connection point position is effectively saved, and further the space is saved.

In order to facilitate accurate positioning of the inner lens 171, the circuit board 18 and the heat sink 13 on the mounting seat 121 of the lamp housing 12, the mounting seat 121 of the lamp housing 12 is provided with a positioning post 124, correspondingly, the mounting edge 131 of the heat sink 13 is provided with a first positioning hole (not shown) penetrating inside and outside, the circuit board 18 is provided with a second positioning hole (not shown) penetrating inside and outside the second inner surface 182 and the second outer surface 181 thereof, and the mounting portion 1712 of the inner lens 171 is provided with a third positioning hole (not shown) penetrating inside and outside. When the heat sink is installed, the first positioning hole is aligned with the positioning post 124, so that the heat sink 13 is conveniently positioned on the mounting seat 121; the second positioning hole is aligned with the positioning post 124, so that the circuit board 18 is conveniently positioned on the mounting seat 121; the third positioning hole is aligned with the positioning post 124, so that the inner lens 171 can be conveniently installed on the mounting seat 121, that is, the positioning post 124 is inserted into and matched with the first positioning hole, the second positioning hole and the third positioning hole. In order to prevent the inner lens 171, the circuit board 18 and the heat sink 13 from rotating when receiving an improper external force, the mounting base 121 may be provided with two positioning posts 124, and correspondingly, there are two first positioning holes, two second positioning holes and two third positioning holes. The two positioning posts 124 are respectively adjacent to the two screws 15. The connecting line of the two positioning posts 124 can be disposed at an acute angle with the connecting line of the two screws 15.

The illumination lamp 1 may be a vehicle lamp such as a front fog lamp or a rear fog lamp. When the illumination lamp is a rear fog lamp, the rear fog lamp may be mounted to a rear bumper of the vehicle. The lighting lamp 1 can also be other lighting lamps which adopt a high-power light source body and need a radiator for heat dissipation.

A vehicle includes a vehicle body and an illumination lamp 1, and the illumination lamp 1 may be mounted on a front or rear portion of the vehicle body. Vehicles such as cars, buses, moped, motorcycles, trucks, or trailers, etc., the present application does not specifically limit the type or size of the vehicle.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. An illumination lamp, comprising:

a lamp shade;

the lamp housing is fixedly connected with the lamp shade and encloses a closed first chamber;

the light-emitting component is positioned in the first cavity and fixedly connected with the lamp shell;

the radiator is positioned in the first cavity and fixedly connected with the light-emitting assembly.

2. The lighting lamp according to claim 1, characterized in that said light emitting assembly comprises,

the light source body is fixedly connected with the lamp shell and faces the lamp shade; and a (C) and (D) and,

the inner lens is fixedly connected with the lamp shell, and the inner lens covers the light source body.

3. The lighting lamp according to claim 2, wherein said lighting lamp further comprises,

the circuit board is fixedly connected with the lamp housing, the circuit board is provided with an outer surface facing the lamp shade and an inner surface facing the lamp housing, and the light source body and the inner lens are arranged on the outer surface.

4. The illumination lamp according to claim 3, wherein said heat sink has a heat dissipating plane, said heat dissipating plane being attached to an inner surface of said circuit board.

5. The illuminating lamp according to claim 2, wherein the lamp housing comprises a mounting seat, the mounting seat is arranged on the outer surface of the lamp housing facing the lamp cover, and the heat sink, the circuit board and the inner lens are overlapped and fixed on the mounting seat from inside to outside.

6. The lamp of claim 5, wherein said mount has a threaded hole, said inner lens has a first via, said circuit board has a second via, said heat sink has a third via, and a screw passes through said first via, said second via, and said third via and locks into said threaded hole.

7. The illuminating lamp according to claim 5, wherein the heat sink is provided with a first positioning hole, the circuit board is provided with a second positioning hole, the inner lens is provided with a third positioning hole, the mounting base is provided with a positioning column, and the positioning column is in inserted fit with the first positioning hole, the second positioning hole and the third positioning hole.

8. The lamp according to claim 1, wherein the peripheral edge of said lamp housing is welded to said lamp housing.

9. The lighting lamp according to claim 1, wherein said lighting lamp is a front fog lamp or a rear fog lamp.

10. A vehicle comprising a vehicle body and the illumination lamp according to any one of claims 1 to 9, wherein the illumination lamp is provided in the vehicle body.