CN218914683U - Optical element with multiple curved surfaces and car lamp structure thereof - Google Patents

Abstract

The utility model relates to an optical element with multiple curved surfaces and a car lamp structure thereof, which is mainly provided with an optical element, wherein the optical element is provided with an incident end and an emergent end, and an illumination channel penetrating through the incident end and the emergent end is formed inside the optical element; therefore, when the multi-reflecting cover is arranged in the car lamp and used as auxiliary light, each curved surface section can independently control the light type change, such as a far-near light, a fog light, a light supplementing and the like, so that the multifunctional lamp effect is achieved.

Description

Optical element with multiple curved surfaces and car lamp structure thereof

Technical Field

The present utility model relates to an optical device with multiple curved surfaces and a lamp structure thereof, and more particularly to an optical reflector technology with multiple geometric curved surfaces.

Background

At present, in addition to the functions of far-light and near-light, when the lamp is used for legal verification, when the light of the near-light lamp irradiates on a vertical screen 10M away, the light of the near-light lamp presents a horizontal linear cut-off line, and a bright area and a dark area are divided to meet the legal verification regulation, such as the bulletin No. M562240 of 'lamp element structure', the bulletin No. M545064 of 'LED headlight structure', and the bulletin No. I516392 of 'headlight with light-emitting diode', the near-light lamp is mainly achieved by the optical refraction effect of a lens or a controllable movable light shielding plate, and the light beam of the near-light lamp presents a semicircular light field at one end (lower end) of a horizontal line, and the other end (upper end) presents a linear line, and has a large range of illumination on both sides in front of a motorcycle rider, so that the irradiation range of the near-light lamp is limited.

For this reason, the inventors have filed an announcement No. I662227 "a light shielding unit having a diffusion auxiliary light type and a lamp thereof", which includes: a top surface; a left side surface and a right side surface; a bottom surface; a left inclined plane connecting the top surface and the left side surface, comprising a first area, wherein the first area is formed by an A line segment extending horizontally and outwards from the connecting point of the top surface and the left inclined plane, and a B line segment extending vertically and upwards from the connecting point of the left side surface and the left inclined plane; the right inclined surface is connected with the top surface and the right side surface and comprises a second area, and the second area is formed by an A line segment extending horizontally and outwards from the connecting point of the top surface and the right inclined surface and a B line segment extending vertically and upwards from the connecting point of the right side surface and the right inclined surface; the left inclined plane and the right inclined plane are irradiated by the light source, so that the shading unit projects the left illumination extension section and the right illumination extension section, and the size of the first area and the second area is adjusted, so that the diffusion auxiliary light type projected by the car lamp can be adjusted and changed according to the requirement, and the effect of improving the driving safety is achieved.

Therefore, the inventor inherits the rich design development and actual manufacturing experience of the related industry for many years, and the inventor research and development is carried out again based on the spirit of the best and beneficial effects, and particularly provides an optical element with multiple curved surfaces and a lamp structure thereof, so as to achieve the purpose of better practical value.

Disclosure of Invention

The present utility model provides an optical element with multiple curved surfaces and a lamp structure thereof, and more particularly, to an optical reflector technology with multiple geometric curved surfaces, which can independently control light patterns and light diffusion angles through multiple curved surface sections.

The utility model discloses an optical element with multiple curved surfaces and a car lamp structure thereof, which are mainly aimed at and have the effects, and are achieved by the following specific technical means:

the optical element is provided with an incident end and an emergent end, and an illumination channel penetrating through the incident end and the emergent end is formed in the optical element; therefore, when the multi-reflecting cover is arranged in the car lamp and used as auxiliary light, each curved surface section can independently control the light type change, such as a far-near light, a fog light, a light supplementing and the like, so that the multifunctional lamp effect is achieved.

The utility model relates to an optical element with multiple curved surfaces and a preferred embodiment of a car lamp structure thereof, wherein the optical element is further combined in a light-emitting module, the light-emitting module comprises a substrate, a light-emitting element assembled on the substrate and an optical element arranged at the front end of the light-emitting element, and the incident end of the optical element corresponds to the light-emitting element, so that the light of the light-emitting element is irradiated out from an illumination channel of the optical element through the emergent end of a reflecting cover.

The utility model relates to an optical element with multiple curved surfaces and a preferred embodiment of a car lamp structure thereof, wherein the light-emitting module is further arranged in a car lamp and is provided with a lamp holder with a containing groove, the light-emitting module is arranged in the containing groove of the lamp holder, a lens is arranged at the front end of the lamp holder in a group, and the lens is positioned at the front end of the optical element and covers the light-emitting module.

The utility model relates to an optical element with multiple curved surfaces and a preferred embodiment of a car lamp structure thereof, wherein radiating fins are arranged outside a lamp holder.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present utility model, and are not particularly limited. Those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.

FIG. 1 is a schematic perspective view of an optical element according to the present utility model;

FIG. 2 is an exploded perspective view of the lamp according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a vehicle lamp according to the present utility model;

FIG. 4 is a schematic cross-sectional view of another embodiment of a lens for a vehicle lamp according to the present utility model;

FIG. 5A is a plan view of a curved section of an optical element according to an embodiment;

FIG. 5B is a schematic view of an embodiment;

FIG. 6A is a plan view of a curved section of a second optical element according to an embodiment;

FIG. 6B is a diagram of an embodiment of a two-light pattern;

FIG. 7A is a plan view of a curved section of a three-optical element according to an embodiment;

FIG. 7B is a diagram of an embodiment of a three-light pattern;

FIG. 8A is a plan view of a curved section of a fourth optical element according to an embodiment;

FIG. 8B is a diagram of a four-light type embodiment;

FIG. 9A is a plan view of a curved section of a fifth optical element of an embodiment;

FIG. 9B is a diagram of an embodiment of a five-light pattern;

fig. 10 is an exploded perspective view of another lamp according to the present utility model.

Reference numerals illustrate:

1: optical element 11: body

12: incident end 13: exit end

14: illumination channel 15: reflection cover

16: curved section 16a: upper curved surface section

16b: lower curved section 16c: left curved surface section

16d: right curved surface section 2: lamp holder

21: the container 22: heat radiation fin

L: light emitting module 3: substrate board

31: light emitting element 4: lens

41: convex portion 42: plane part

43: arc curved part

Detailed Description

For a more complete and clear disclosure of the present utility model, and for its objects and advantages, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and reference numerals:

firstly, referring to fig. 1, the optical element 1 with multiple curved surfaces and a schematic perspective view of a lamp structure thereof according to the present utility model are shown, wherein the optical element 1 with multiple curved surfaces mainly comprises a body 11, the body 11 has an incident end 12 and an emergent end 13, and an illumination channel 14 passing through the incident end 12 and the emergent end 13 is formed inside, a reflecting cover 15 is formed around the illumination channel 14, the reflecting cover 15 is divided into at least four curved surface sections 16 corresponding to the surrounding area of the inner wall of the illumination channel 14, and each curved surface section 16 has different curvature and curved surface trend.

Referring to fig. 5A to 10, when actually implemented, a preferred optical element 1 is illustrated, the optical element 1 mainly forms a cone with an elliptical cross section, the optical element 1 is centrally provided with an illumination channel 14 passing through the incident end 12 and the exit end 13, the inner wall of a reflecting cover 15 surrounding the illumination channel 14 is divided into an upper curved surface section 16a, a lower curved surface section 16b, a left curved surface section 16c and a right curved surface section 16d, and each curved surface section is respectively provided with a plurality of curvatures, such as: the curvature of the upper curved surface section 16a is X1 on both sides, or the curvature of the lower curved surface section 16b is X3 on both sides, or the curvature of the right curved surface section 16d is X5 on both sides, or the curvature of the left curved surface section 16c is X9 … on both sides; meanwhile, the upper curved surface section 16a, the lower curved surface section 16b, the left curved surface section 16c and the right curved surface section 16d have different curvatures and curved surface directions through the change of the curvatures, and can be connected to form an end edge of the reflecting cover 15.

Referring to fig. 1 to 3, when the optical element 1 is installed in a vehicle lamp, the optical element further comprises:

a lamp holder 2 having a receiving groove 21, and a heat radiation fin 22 disposed outside the lamp holder 2;

at least one light emitting module L correspondingly installed in the accommodating groove 21 of the lamp holder 2, where the light emitting module L includes a substrate 3, a light emitting element 31 assembled on the substrate 3, and an optical element 1 installed at the front end of the light emitting element 31, where the optical element 1 has the characteristics described above, and the incident end 12 corresponds to the light emitting element 31, so that the light of the light emitting element 31 is irradiated from the light irradiation channel 14 through the emitting end 13;

a lens 4 correspondingly assembled to the front end of the lamp holder 2 to be located at the front end of the optical element 1 and cover the light emitting module L, wherein a convex portion 41 is disposed on the outer side of the lens 4, and a flat portion 42 or an arc portion 43 is disposed on the inner side of the optical element 1 (as shown in fig. 4).

Referring to fig. 3 and fig. 5A to fig. 9B, when the optical device is actually used in a vehicle lamp, the light from the light emitting device 31 is irradiated from the incident end 12 to the illumination channel through the multi-curved surface section design of the optical device 1, and is refracted through the multi-curved surface section 16 on the periphery of the inner wall of the reflecting cover 15 and then is incident into the lens 4 through the emergent end 13, so that the lens 4 can generate different light types of projection through different curvatures and curved surface directions, and the light types generated by a plurality of different curved surface sections 16 are listed below, and a base line H and a vertical finger line V perpendicular to the base line H are set in the horizontal direction in the center of the optical device 1 for description as follows:

1. the upper curved surface section 16a, the lower curved surface section 16B, the left curved surface section 16c and the right curved surface section 16d are disposed along the elliptical peripheral curved surface of the optical element 1 (as shown in fig. 5A), when the light of the light emitting element 31 irradiates and refracts through the peripheral edge of the inner wall of the reflecting cover 15 of the optical element 1 and then enters the lens 4 to generate the light pattern diagram shown in fig. 5B, the light pattern diagram is generated in the diagram.

2. The lower curved surface section 16B, the left curved surface section 16c and the right curved surface section 16d are arranged along the elliptical peripheral curved surface of the optical element 1, and the upper curved surface section 16A adopts a curved surface (as shown in fig. 6A) concavely arranged inwards and downwards towards the direction close to the base line H, when the light of the light emitting element 31 irradiates and refracts through the peripheral edge of the inner wall of the reflecting cover 15 of the optical element 1 and then enters the lens 4, so that the lens 4 projects to generate a light pattern as shown in fig. 6B, the image after passing through the lens 4 is upside down, and a light pattern with light pattern upwards and concentrated brightness is generated in the image.

3. The upper curved surface section 16a, the left curved surface section 16c and the right curved surface section 16d are arranged along the elliptical peripheral curved surface of the optical element 1, and the lower curved surface section 16B adopts a curved surface concaved inwards and upwards towards the direction close to the base line H (as shown in fig. 7A), when the light of the light emitting element 31 irradiates and refracts through the peripheral edge of the inner wall of the reflecting cover 15 of the optical element 1, and then enters the lens 4, so that the lens 4 projects to generate a light pattern as shown in fig. 7B, the image after passing through the lens 4 is turned upside down, and a light pattern with light pattern downward and concentrated brightness is generated in the image.

4. The upper curved surface section 16a, the lower curved surface section 16B and the left curved surface section 16c are arranged along the elliptical peripheral curved surface of the optical element 1, and the right curved surface section 16d adopts a curved surface (as shown in fig. 8A) which horizontally expands along the base line H to be far away from the vertical finger line V, when the light of the light emitting element 31 irradiates and refracts through the peripheral edge of the inner wall of the reflecting cover 15 of the optical element 1, and then enters the lens 4, so that the lens 4 projects to generate a light pattern as shown in fig. 8B, and the light pattern on the left side presents an angle diffusion to increase the light pattern of the irradiation light field. Of course, if the light supplement lamp operation for increasing the two-side light domains is performed on the left and right curved surface sections at the same time, the light supplement lamp operation can be generated.

5. The upper curved surface section 16a, the lower curved surface section 16B and the right curved surface section 16d are arranged along the elliptical peripheral curved surface of the optical element 1, and the left curved surface section 16c adopts a curved surface (as shown in fig. 9A) approaching to the vertical finger line V, when the light of the light emitting element 31 irradiates and refracts through the peripheral edge of the inner wall of the reflecting cover 15 of the optical element 1, and then enters the lens 4, so that the lens 4 projects to generate a light pattern diagram as shown in fig. 9B, the light pattern on the right side presents a concentrated state that the light is concentrated toward the center, and the light brightness is concentrated in the light field of the center part. Of course, if the light is simultaneously applied to the left and right curved surface sections, the light intensity can be concentrated to be used as a far light.

In summary, when the optical element 1 is used in a vehicle lamp for illumination, the optical element 31 is combined to form a module, so that a single light emitting module L (as shown in fig. 2) can be assembled according to the function of the vehicle lamp or a plurality of light emitting modules L generating different light patterns can be integrated in the vehicle lamp (as shown in fig. 10), thereby achieving the efficacy of a multifunctional vehicle lamp, such as a far lamp, a near lamp, a fog lamp, a light supplementing lamp …, etc.

As can be seen from the above description of the system composition and the application, the present utility model has the following advantages compared with the existing structure:

1. the utility model has multiple curved optical element and its car light structure, through the refractive change of multiple paraboloids (curved surfaces), and then through the lens of protruding transmission outside, reach the concentrated, diffuse light type, achieve the efficacy of the multi-functional car light.

2. The utility model relates to an optical element with multiple curved surfaces and a car lamp structure thereof, wherein each curved surface section can independently control the horizontal and vertical diffusion angles of light patterns through a plurality of curved surface sections distinguished by the periphery of the inner wall of a reflecting cover of the optical element.

3. The optical element with multiple curved surfaces and the lamp structure thereof form a modularized design through the cooperation of the optical element and the light-emitting element, and a single light-emitting module can be assembled according to the function of the lamp or a plurality of light-emitting modules generating different light patterns can be integrated in the lamp, so that the lamp efficacy with the multifunction of far lamp, near lamp, fog lamp, light-supplementing lamp … and the like is achieved.

The detailed explanation of the embodiments described above is only for the purpose of explaining the present utility model so as to enable a better understanding of the present utility model, but the descriptions should not be construed as limiting the present utility model in any way, and in particular, the respective features described in the different embodiments may be arbitrarily combined with each other to constitute other embodiments, and these features should be understood as being applicable to any one embodiment, except for the explicitly contrary descriptions.

Claims (7)

1. The optical element with multiple curved surfaces is characterized by comprising a body, wherein the body is provided with an incident end and an emergent end, an illumination channel penetrating through the incident end and the emergent end is formed in the body, a reflecting cover is formed around the illumination channel, the reflecting cover corresponds to the inner wall surrounding area of the illumination channel and is divided into at least four curved surface sections, and each curved surface section has different curvature and curved surface trend.

2. The optical element with multiple curved surfaces is characterized by comprising a body, wherein the body is provided with an incident end and an emergent end, an illumination channel penetrating through the incident end and the emergent end is formed in the body, a reflecting cover is formed around the illumination channel, the reflecting cover is divided into an upper curved surface section, a lower curved surface section, a left curved surface section and a right curved surface section corresponding to the surrounding area of the inner wall of the illumination channel, a plurality of sections of curvature are respectively arranged on the curved surface sections, and the upper curved surface section, the lower curved surface section, the left curved surface section and the right curved surface section have different curvature and curved surface trend.

3. The optical element of claim 1 or 2, wherein the optical element is a cone with an elliptical cross-section.

4. A lamp structure comprising the optical element having multiple curved surfaces according to claim 1 or 2, the lamp structure comprising:

a lamp holder with a containing groove;

the light-emitting module comprises a substrate, a light-emitting element arranged on the substrate and an optical element arranged at the front end of the light-emitting element, wherein the incident end of the optical element corresponds to the light-emitting element, so that light of the light-emitting element is irradiated out from an illumination channel of the optical element through an emergent end of the reflecting cover;

the lens is correspondingly arranged at the front end of the lamp holder, is positioned at the front end of the optical element and covers the light-emitting module.

5. The lamp structure of claim 4 wherein the outer side of the lens has a convex portion and the inner side of the lens corresponding to the optical element has a flat portion.

6. The lamp structure of claim 4 wherein the outer side of the lens has a convex portion and the inner side of the lens corresponding to the optical element has an arcuate portion.

7. The lamp structure of claim 4, wherein heat dissipating fins are provided outside the lamp base.

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