TWM524278U - Vehicle illumination lamp - Google Patents

Description

Vehicle lighting

This creation is applied to the technical field of vehicle parts, especially a vehicle lighting fixture with reduced cost and space.

According to the conventional vehicle lighting fixtures, since the lighting fixtures generate heat energy at the same time, the service life of the lighting fixtures is reduced. Therefore, a general vehicle lighting fixture is installed with a set of fins on the side of the lighting module. For example, the approved patent new case No. M476890 "LED headlight heat dissipation structure improvement" and the M482522 "car lighting fixture structure improvement", etc., can be seen to have a set of heat sink fins, but this way can Increasing the heat dissipation area and effect of the lamp, and generally the heat sink fin is a metal product, which is not only bulky, but also relatively increases the manufacturing cost and the volume of the lamp, and needs to be improved.

In view of the practical use of the aforementioned conventional vehicle lighting fixtures, the creator still has the disadvantages of high heat dissipation structure cost and large volume occupying space, and the creation of the creation is improved.

The main purpose of the present invention is to provide a vehicle lighting fixture capable of increasing the effect of convection heat dissipation by providing a heat dissipation hole through the base, thereby greatly reducing the cost of the heat dissipation structure.

In order to achieve the aforementioned creative purposes, the technical means used in this creation are A vehicle lighting fixture is provided, which comprises a base, a lighting module and a power cord. The base is formed as a joint portion at one end, and the adjacent joint portion is formed with a solid heat conducting column, and the joint portion is hollow and extends to the inside of the heat conducting column to form a blind hole, and the heat conducting column is provided with a bearing surface at least on one side. The through hole of the bearing surface is provided with a through hole, and the heat conducting column is provided with a plurality of heat dissipation holes in the radial direction, and the heat dissipation holes are different from the blind hole position, and the light emitting module is mounted on the bearing surface of the base, and the light emitting module comprises a The substrate and a light-emitting component are disposed on the carrying surface, and the light-emitting component is disposed on the substrate, and the power cable penetrates the blind hole to the heat-conducting column via the joint portion, and is electrically connected to the substrate of the light-emitting module by the through hole.

In an embodiment of the present invention, in the above vehicle lighting fixture, an enlarged portion is formed at each end of each of the heat dissipation holes.

In an embodiment of the present invention, in the above vehicle lighting fixture, each of the enlarged portions has a tapered hole or an aperture of each enlarged portion having a larger diameter than a middle portion of each of the heat dissipation holes.

In an embodiment of the present invention, in the above vehicle lighting fixture, the heat conducting column is respectively provided with at least two perforations at the blind hole positions, and the perforations respectively communicate with the blind holes.

In an embodiment of the present invention, in the above vehicle lighting fixture, each of the perforations has a tapered hole or a diameter of each of the perforations that is larger than an aperture of a middle section of each of the heat dissipation holes.

In an embodiment of the present invention, the vehicle lighting fixture described above, wherein the light emitting component is a light emitting diode (LED).

In an embodiment of the present invention, in the above vehicle lighting fixture, wherein the heat dissipation holes are respectively disposed in parallel with the bearing surface.

In an embodiment of the present invention, in the above vehicle lighting fixture, the base is provided with an extended heat dissipation column at one end of the heat conducting column different from the joint portion.

In an embodiment of the present invention, in the above vehicle lighting fixture, a ring portion is formed between the joint portion and the heat conducting column.

In an embodiment of the present invention, in the above vehicle lighting fixture, wherein the through hole is formed at one end of the bearing surface toward the engaging portion.

10, 10' ‧ ‧ pedestal

11, 11' ‧ ‧ joints

12, 12'‧‧‧ Thermal Conductive Column

120‧‧‧ bearing surface

121‧‧‧through hole

122‧‧‧ vents

1220‧‧‧Expanding Department

123‧‧‧Perforation

13‧‧‧ Ring Department

14‧‧‧Blind hole

15‧‧‧Extended heat sink

150‧‧‧ Groove

20‧‧‧Lighting module

21‧‧‧Substrate

22‧‧‧Lighting elements

30‧‧‧Power cord

The first picture is a three-dimensional appearance of the creation.

Figure 2 is a cross-sectional view of the creation.

Figure 3 is a schematic diagram of the cross-sectional action of the present creation.

Figure 4 is a perspective view of another embodiment of the present creation.

As shown in FIG. 1 to FIG. 3 , the vehicle lighting fixture of the present invention comprises a base 10 , a lighting module 20 and a power cord 30 .

The base 10 is formed as a joint portion 11 at one end, and a solid heat-conducting column 12 is formed on the adjacent joint portion 11, and a ring portion 13 is formed between the joint portion 11 and the heat-conducting column 12, and the joint portion 11 is hollow. And a blind hole 14 is formed in the heat-conducting column 12, and the heat-conducting column 12 is provided with a bearing surface 120 at least on one side, and the bearing surface 120 is provided with a through-hole 121 to the blind hole 14 at one end of the joint portion 11, and the heat-conducting column 12 is disposed. A plurality of heat dissipation holes 122 are formed in the direction of the parallel bearing surface 120, and an enlarged portion 1220 is formed at each end of each of the heat dissipation holes 122. The heat dissipation holes 122 are different from the blind holes 14 and the heat conduction column 12 is blind. The holes 14 are respectively provided with at least two through holes 123, and have two through holes 123 as shown in the figure to communicate with the blind holes 14, respectively, and each of the enlarged portions 1220 and each of the through holes 123 can have a tapered hole, or each enlarged portion 1220 and The aperture of each of the through holes 123 is larger than the width of the middle of each of the heat dissipation holes 122 The aperture is small, and the aperture of the middle section of each of the heat dissipation holes is preferably 0.5 to 3 mm, and particularly preferably 2 mm is the aperture.

The light-emitting module 20 is mounted on the carrying surface 120 of the base 10, and the light-emitting module 20 includes a substrate 21 and a light-emitting element 22. The substrate 21 is fixedly disposed on the bearing surface 120, and the light-emitting element 22 is disposed on the substrate 21, and the light-emitting element 22 is disposed. It can be a light emitting diode (LED). In other embodiments, the light-emitting module 20 of the present invention may also be in two groups, and the bearing surfaces 120 are respectively disposed on the two sides of the heat-conducting column 12 to respectively set the light-emitting modules 20 with different bearing surfaces 120 to form different bearing surfaces 120. Double-sided illumination, and so on, the luminaires of this creation can have other aspects of illumination design.

The power cable 30 penetrates the blind hole 14 to the heat conducting column 12 via the joint portion 11 , and the substrate 21 electrically connected to the light emitting module 20 is passed through the through hole 121 to control the opening and closing of the light emitting module 20 .

When in use, as shown in FIG. 3, when the power supply line 30 supplies power to cause the light-emitting elements 22 of the light-emitting module 20 to emit light, at this time, the generated thermal energy conducts heat to the heat-conducting column 12 via the substrate 21, and conducts heat. The column 12 and the heat dissipation holes 122 generate heat conduction, and heat convection is generated through the air holes and the outer space of the heat dissipation holes 122 and the through holes 123 to achieve heat dissipation, and at the same time, the efficiency of heat convection and heat conduction is increased by the heat dissipation holes 122. The portion 1220 increases the area of heat conduction, and at the same time, improves the air flow smoothness during heat convection and increases the effect of heat convection. Similarly, the perforations 123 connected to the blind holes 14 have the same effect.

Referring to FIG. 4, it is another embodiment of the present invention, and its structure is substantially the same as that of the embodiment of FIG. 1. The difference is that the base 10' is disposed at one end of the heat conducting column 12' different from the joint portion 11'. There is an extension heat dissipation column 15, and the extension heat dissipation column 15 can be provided with a plurality of grooves 150 to increase the heat dissipation area of the base 10' and the air, and enhance the conduction heat dissipation effect.

This creation has been described by the above embodiments and variations, all of which are The embodiments and variations are merely illustrative and are based on the spirit and scope of the present invention, and various variations of the vehicle lighting fixture including the above features are encompassed by the present invention.

10‧‧‧ Pedestal

11‧‧‧ joints

12‧‧‧ Thermal Conductive Column

120‧‧‧ bearing surface

121‧‧‧through hole

122‧‧‧ vents

1220‧‧‧Expanding Department

123‧‧‧Perforation

13‧‧‧ Ring Department

20‧‧‧Lighting module

21‧‧‧Substrate

22‧‧‧Lighting elements

30‧‧‧Power cord

Claims (10)

A vehicle lighting fixture includes: a base formed at one end as a joint portion, and adjacent to the joint portion, a solid heat conducting column is formed, and the joint portion is hollow and extends to the inside of the heat conducting column. The heat conducting column is provided with a bearing surface at least on one side, and the bearing surface is connected with the through hole through the blind hole, and the heat conducting column is provided with a plurality of heat dissipation holes in the radial direction, and the heat dissipation holes are different from each other. a light-emitting module, the light-emitting module is mounted on the bearing surface of the base, the light-emitting module includes a substrate and a light-emitting component, the substrate is disposed on the bearing surface, and the light-emitting component is disposed on the light-emitting component And a power line through which the power line passes through the blind hole to the heat conducting column, and the through hole passes through the substrate electrically connected to the light emitting module. The vehicle lighting fixture of claim 1, wherein each of the heat dissipation holes is formed with an enlarged portion at each end thereof. The vehicle lighting fixture of claim 2, wherein each of the enlarged portions has a tapered hole or an aperture of each of the enlarged portions having a larger aperture than a width of each of the heat dissipation holes. The vehicle lighting fixture of claim 1, wherein the heat conducting column is respectively provided with at least two perforations at the blind hole position, and each of the perforations communicates with the blind hole. The vehicle lighting fixture of claim 4, wherein each of the perforations has a tapered hole or a diameter of each of the perforations is larger than an aperture of a width of each of the cooling holes. The vehicle lighting fixture of claim 1, wherein the light emitting component is a light emitting diode (LED). The vehicle lighting fixture of claim 1, wherein the heat dissipation holes are respectively disposed in parallel with the bearing surface. The vehicle lighting fixture of claim 1, wherein the base is provided with an extended heat dissipation column at one end of the heat conducting column different from the joint. The vehicle lighting fixture of claim 1, wherein a ring portion is formed between the joint portion and the heat conducting column. The vehicle lighting fixture of claim 1, wherein the through hole is formed at one end of the bearing surface toward the engaging portion.