High-low beam integrated car lamp module, headlamp and car

文档序号:5068 发布日期:2021-09-17 浏览:75次 中文

1. The utility model provides an integrative car light module of far and near light which characterized in that, includes primary optical element (1), light-shielding structure and secondary optical element (3) that set gradually along the light-emitting direction, light-shielding structure includes pivot (21) and light screen (22), is equipped with near light cut-off line structure (221) on at least one light screen (22), light screen (22) install on pivot (21) and can rotate to can make selectively light that primary optical element (1) gathered shine to secondary optical element (3) after being sheltered from by one of them light screen (22), or make light that primary optical element (1) gathered not pass through light screen (22) to shine to secondary optical element (3), thereby realize far and near light illumination function.

2. The high beam and low beam integrated vehicle lamp module as claimed in claim 1, wherein the low beam cut-off line structure (221) comprises a left driving low beam cut-off line structure and a right driving low beam cut-off line structure, and the light shielding structure comprises at least one light shielding plate (22) provided with the left driving low beam cut-off line structure and at least one light shielding plate (22) provided with the right driving low beam cut-off line structure.

3. The high-beam and low-beam integrated lamp module according to claim 1, wherein the secondary optical element (3) is an elongated lens.

4. The high beam and low beam integrated vehicle lamp module according to claim 1, wherein the light shielding structure is positioned to: the low-beam cut-off line structure (221) can be located in the focal region of the secondary optical element (3).

5. The high-beam and low-beam integrated vehicle lamp module according to any one of claims 1 to 4, wherein the primary optical element (1) comprises an incident portion, a light guide portion (12) and an emergent portion which are sequentially arranged along the emergent direction and are connected into a whole, and the incident portion comprises at least one light-gathering structure (11).

6. The vehicle lamp module according to claim 5, wherein the light inlet portion comprises a plurality of light collecting structures (11), the light outlet portion is formed with convex cylindrical surfaces (13) corresponding to the light collecting structures (11), and the convex cylindrical surfaces (13) protrude in a direction away from the light collecting structures (11) and extend in a vertical direction.

7. The high beam and low beam integrated vehicular lamp module according to claim 6, wherein the secondary optical element (3) comprises a light exit surface (32) and a plurality of light entrance surfaces (31), the light entrance surfaces (31) are formed as convex curved surfaces corresponding to the convex cylindrical surfaces (13) one to one, the convex curved surfaces are convex toward the primary optical element (1), and the light exit surface (32) is convex away from the primary optical element (1).

8. The high beam and low beam integrated vehicle lamp module set according to claim 6, wherein the light screen (22) is provided with a plurality of low beam cut-off line structures (221) corresponding to the convex cylindrical surfaces (13) one by one.

9. A headlamp characterized by comprising the high-beam and low-beam integrated lamp module according to any one of claims 1 to 8.

10. A vehicle characterized by comprising the lamp according to claim 9.

Background

In a common automotive headlamp, a low beam and a high beam are main bodies of the automotive headlamp, and the high beam and the low beam are mainly illuminated by an optical system formed by combining a reflector and a lens or an optical system formed by a single reflector. For example, light emitted by the light source is reflected by the reflector, imaged by the lens and forms far and near light required by automobile illumination through the external lens; or after being reflected by the reflector, the light emitted by the light source directly passes through the external mirror to form automobile lighting light.

However, the prior art vehicle headlamps have the following disadvantages:

1. a high beam module and a low beam module in the headlamp are usually arranged in the vehicle lamp as two independent parts, which occupies a large space, so that the vehicle lamp cannot realize more miniaturization and diversified design in volume and shape;

2. in order to meet the requirements of the light shape and the brightness of the car lamp, the sizes of the reflector and the lens are very large, so that the opening of the car lamp module is too large, the size and the shape of the car lamp are limited, and the market demand of a small-opening light outlet window of the car lamp cannot be met.

In view of the above, a new high-low beam integrated lamp module is needed.

Disclosure of Invention

The present invention provides a high-beam and low-beam integrated vehicular lamp module, which has a simple structure and a small opening.

A second aspect of the present invention is to provide a headlamp having a simple structure and a small opening.

A third aspect of the present invention is to provide a vehicle having a headlamp with a simple structure and a small opening.

In order to solve the above technical problems, an aspect of the present invention provides a high beam and low beam integrated vehicle lamp module, which includes a primary optical element, a light shielding structure and a secondary optical element sequentially arranged along a light emitting direction, where the light shielding structure includes a rotating shaft and light shielding plates, at least one of the light shielding plates is provided with a low beam cut-off line structure, and the light shielding plates are mounted on the rotating shaft and can rotate, so as to selectively enable light rays converged by the primary optical element to be shielded by one of the light shielding plates and then to be emitted to the secondary optical element, or enable light rays converged by the primary optical element to be emitted to the secondary optical element without passing through the light shielding plate, thereby implementing a high beam and low beam lighting function.

Preferably, the dipped beam cut-off line structure comprises a left driving dipped beam cut-off line structure and a right driving dipped beam cut-off line structure, and the shading structure comprises at least one shading plate provided with the left driving dipped beam cut-off line structure and at least one shading plate provided with the right driving dipped beam cut-off line structure.

Preferably, the secondary optical element is an elongated lens.

Further preferably, the light shielding structure is positioned: the low-beam cut-off line structure can be located in the focal region of the secondary optical element.

Preferably, the primary optical element includes an incident portion, a light guide portion and an emergent portion, which are sequentially arranged along the emergent direction and are connected into a whole, and the incident portion includes at least one light-gathering structure.

Further preferably, the light incident portion includes a plurality of light condensing structures, and the light emergent portion is formed with convex cylindrical surfaces corresponding to the light condensing structures one to one, and the convex cylindrical surfaces are convex in a direction back to the light condensing structures and extend in an up-and-down direction.

Specifically, the secondary optical element includes a light exit surface and a plurality of light entrance surfaces, the light entrance surfaces are formed into convex curved surfaces corresponding to the convex cylindrical surfaces one to one, the convex curved surfaces protrude toward the primary optical element, and the light exit surface protrudes away from the primary optical element.

Preferably, the shading plate is provided with a plurality of dipped beam cut-off line structures which correspond to the convex cylindrical surfaces one to one.

The invention provides a headlamp, which comprises the high-beam and low-beam integrated lamp module set in any one of the technical schemes of the first aspect.

A third aspect of the invention provides a vehicle including the headlamp described in the second aspect.

Through the technical scheme, the high-beam and low-beam integrated automobile lamp module disclosed by the invention has the following beneficial effects that:

1. the primary optical element, the shading structure and the secondary optical element are sequentially arranged along the light emitting direction, the rotatable shading plate is adopted to integrate the high beam function and the low beam function of the car lamp on a car lamp module, and meanwhile, a reflector in the high beam and low beam car lamp module in the prior art is cancelled, so that the occupied space and the opening size of the car lamp module are reduced, the size miniaturization and modeling diversification development of the car lamp are met, and the market demand of a small opening light emitting window of the car lamp is met;

2. in the preferred embodiment of the invention, the shading structure comprises a shading plate with a left driving near beam stop line structure and a shading plate with a right driving near beam stop line structure, so that the left driving and right driving requirements of a user can be met simultaneously, vehicles in different regions around the world can share the same lamp system, the repeated development and design of lamps are avoided, and the development and design cost of the lamps is reduced.

Further advantages of the present invention, as well as the technical effects of preferred embodiments, are further described in the following detailed description.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a high beam and low beam integrated vehicular lamp module according to the present invention;

FIG. 2 is a second schematic structural diagram of an embodiment of the high beam and low beam integrated vehicular lamp module of the present invention;

FIG. 3 is a top view of an embodiment of the high beam and low beam integrated lamp module of the present invention;

FIG. 4 is a bottom view of one embodiment of the high beam and low beam integrated lamp module of the present invention;

FIG. 5 is a front view of one embodiment of the high beam and low beam integrated lamp module of the present invention;

FIG. 6 is a side view of one embodiment of the high beam and low beam integrated lamp module of the present invention;

FIG. 7 is a schematic structural diagram of an embodiment of the high-beam and low-beam integrated vehicular lamp module according to the present invention, wherein the high-beam and low-beam integrated vehicular lamp module is in a high-beam operating state;

FIG. 8 is a side view of FIG. 7;

fig. 9 is a schematic structural diagram of an embodiment of the high-beam and low-beam integrated lamp module according to the present invention, wherein the high-beam and low-beam integrated lamp module is in a low-beam operating state in a left driving mode;

FIG. 10 is a side view of FIG. 9;

fig. 11 is a schematic structural diagram of an embodiment of the high-beam and low-beam integrated lamp module according to the present invention, wherein the high-beam and low-beam integrated lamp module is in a low-beam operating state in a right driving mode;

FIG. 12 is a side view of FIG. 11;

fig. 13 is one of the structural schematic diagrams of an embodiment of the light shielding structure of the present invention, which shows a left-driving low-beam cutoff line structure on the light shielding plate;

fig. 14 is one of the structural schematic diagrams of an embodiment of the light shielding structure of the present invention, which shows a right-hand-driving and low-beam cutoff line structure on the light shielding plate.

Description of the reference numerals

1 primary optical element 11 light-gathering structure

12 light guide part 13 convex column surface

21 rotating shaft 22 light screen

221 near-beam cut-off line structure

3 secondary optical element 31 light incident surface

32 light-emitting surface

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description is provided for purposes of illustration and explanation and is not intended to limit the scope of the invention.

It should be noted that, in the following description, for example, "up", "down", "left", "right", "front", "back", and the like, refer to directions that a vehicle normally refers to when the high-low beam integrated lamp module is applied to the vehicle, and the like have meanings, for example, the direction of the vehicle head is front, the direction of the vehicle tail is back, according to the driving habits in our country, the direction of the driver seat is left, the direction of the passenger seat is right, the direction of the vehicle roof is up, and the direction of the wheels is down. The "light-emitting direction" is the irradiation direction of the light-emitting light of the vehicle lamp, and can be set according to the illumination function of the vehicle lamp to be realized. This is done solely for the purpose of facilitating the description of the invention and simplifying the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated, and therefore should not be taken as limiting the invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. It is to be noted that "a plurality of" or "a plurality of" means two or more.

As shown in fig. 1 to 5, the high and low beam integrated vehicle lamp module according to the basic technical solution of the present invention includes a primary optical element 1, a light shielding structure and a secondary optical element 3 sequentially arranged along a light emitting direction, the light shielding structure includes a rotating shaft 21 and light shielding plates 22, a low beam cut-off line structure 221 is arranged on at least one light shielding plate 22, and the light shielding plates 22 are mounted on the rotating shaft 21 and can rotate, so as to selectively enable light rays converged by the primary optical element 1 to be shielded by one of the light shielding plates 22 and then to be emitted to the secondary optical element 3, or enable light rays converged by the primary optical element 1 to be emitted to the secondary optical element 3 without passing through the light shielding plate 22, thereby implementing a high and low beam illumination function.

That is, when the vehicle lamp module is in the high beam illumination state, referring to fig. 7 and 8, the light converged by the primary optical element 1 does not pass through the light shielding plate 22 and is emitted to the secondary optical element 3, and then is emitted as high beam illumination light through the secondary optical element 3; when the car light module is in a low beam illumination state, referring to fig. 9 to 12, the light converged by the primary optical element 1 is blocked by one of the light blocking plates 22, then is emitted to the secondary optical element 3, and then is emitted as a low beam illumination light through the secondary optical element 3. The rotating shaft 21 rotates to drive the light shielding plate 22 to stand or lay flat, and the rotating shaft 21 is driven to rotate by a driving method in the prior art, for example, a servo motor directly or indirectly drives the rotating shaft 21 to rotate, which is not described herein again. The integrative car light module of far and near light among the above-mentioned basic technical scheme, it passes through rotatable light screen 22 with the car light far and near light function and integrates on same car light module, has cancelled the speculum among the far and near light car light module of prior art or the optical element the same with the speculum function simultaneously to reduce the occupation space and the opening size of car light module, the volume miniaturization that accords with the car light, the molding is diversified, the development trend of car light-emitting outlet flattening.

The shading structure has various structural forms according to the lighting requirements. For example, a light shielding plate 22 may be disposed on the rotating shaft 21 to shield the light emitted from the primary optical element 1, and a low-beam cut-off line structure 221 is disposed on the light shielding plate 22 to control the light shielding plate 22 to stand or level to switch the high-beam and the low-beam; or two light shields 22 can be arranged on the rotating shaft 21, and the light emitted by the primary optical element 1 is shielded to obtain different illumination light, for example, a left driving near-beam cut-off line structure is arranged on one light shield 22, and a right driving near-beam cut-off line structure is arranged on the other light shield 22, so that the left driving or right driving requirements of a user can be met simultaneously, the same set of lamp system can be shared by vehicles in different regions all over the world, the repeated development and design of the lamp are avoided, the development and design cost of the lamp is reduced, it needs to be noted that the included angle between the two light shields 22 is preferably more than or equal to 90 degrees and is arranged, so that the requirement that the other light shield 22 cannot influence the light shield 22 during operation is. Alternatively, three or more light-shielding plates 22 may be disposed on the rotating shaft 21 to obtain more kinds of illumination light.

Preferably, in order to make the projection of the vehicle lamp form a clear low-beam cut-off line, the shade structure is positioned: the low-beam cut-off line structure 221 of the light shield 22 can be located in the focal region of the secondary optical element 3, preferably in the focal point.

In order to form a flat appearance structure, the secondary optical element 3 adopts a long strip-shaped lens, so that the vehicle lamp is provided with a flat light outlet, and the market demand of the small-opening light outlet of the vehicle lamp is better met.

As a specific configuration, the primary optical element 1 includes an incident light portion, a light guide portion 12, and an exit light portion, which are sequentially arranged in the exit light direction and integrally connected. The light inlet part comprises at least one light gathering structure 11, and the light gathering structure 11 can be a light gathering cup, a backward convex cambered surface structure or other structural forms capable of gathering light; the light guide part 12 can be a straight solid light conductor shown in fig. 1, so that the size of the primary optical element 1 in the vertical direction is smaller and flatter, and the structure of the light guide part 12 can be flexibly set according to the shape requirement of the car lamp, so that the shape of the car lamp is more novel and changeable, and the shape requirement of the car lamp for individuation and science and technology feeling of a user is met.

In order to improve the illumination brightness of the vehicle lamp module, referring to fig. 3 and 4, the light incident portion includes a plurality of light condensing structures 11, one for each light condensing structure 11 corresponds to one light source, and the plurality of light condensing structures 11 are preferably arranged in a single row and a plurality of rows from left to right in sequence, so that the primary optical element 1 has a longer length in the left-right direction and a shorter length in the up-down direction, thereby making the vehicle lamp module more flat. Alternatively, the plurality of light collecting structures 11 may be arranged in a curved line, an inclined line, a matrix arrangement of a plurality of rows and a plurality of columns, or the like. In order to further realize the ADB (Adaptive Driving Beam) function, convex cylindrical surfaces 13 corresponding to the light condensing structures 11 one by one are formed on the light outgoing portion, and the convex cylindrical surfaces 13 protrude in a direction away from the light condensing structures 11 and extend in the up-down direction. The convex cylinder surface 13 is a curved surface formed by a curved line in a circular arc shape or a parabolic shape sweeping along a straight line perpendicular to a plane where the curved line is located, the straight line direction is called a cylindrical axis direction of the convex cylinder surface 13, the length of the curved line sweep is called the height of the convex cylinder surface 13, and the length of a connecting line of two end points of the curved line is called the width of the convex cylinder surface 13. The convex cylindrical surface 13 has no convergence action in the cylindrical surface axial direction, and has convergence action only in the width direction, and light rays emitted by the light sources are converged in the width direction through the convex cylindrical surface 13, so that the light rays emitted by adjacent light sources can be prevented from being fused with each other, all light spots can be combined into an integral lighting light shape, excessive overlapping can not be formed, and the resolution of the finally formed lighting light shape is improved. Each light condensing structure 11 corresponds to one convex cylindrical surface 13, light emitted by each light source enters the primary optical element 1 through the corresponding light condensing structure 11, is transmitted by the primary optical element 1, is emitted from the corresponding convex cylindrical surface 13, is emitted to the secondary optical element 3, and is finally projected to form an illumination light spot, and different light spots are sequentially arranged and overlapped to realize the multi-pixel self-adaptive high beam function. Alternatively, the light emitting portion of the primary optical element 1 may be a plane or a curved surface with a continuous curvature, so that the vehicle lamp module has only a normal high beam illumination function.

The secondary optical element 3 includes an exit surface 32 and a plurality of entrance surfaces 31, and the entrance surfaces 31 are adapted to the primary optical element 1, and the entrance surfaces 31 are formed as convex curved surfaces corresponding to the convex cylindrical surfaces 13 one by one, the convex curved surfaces are convex toward the primary optical element 1, and the exit surface 32 is convex away from the primary optical element 1. The light exit surface 32 of the secondary optical element 3 is a curved surface formed by sweeping a vertical generatrix along a set curve, and the generatrix and the set curve can be freely set according to the shape of the associated vehicle, so that the light exit surface 32 can better adapt to the shape of the vehicle, wherein the vertical generatrix can be a convex curve protruding forwards, such as an arc. In order to realize the projection function of the secondary optical element 3, the light incident surface 31 of the secondary optical element 3 is a free-form surface fitted according to the curved surface shape of the light emitting surface 32 and the functions realized by the secondary optical element 3, such as the number of focal points required by the secondary optical element 3, the size of focal length, and the like, and the secondary optical element 3 forms a plurality of converging structures having focal points and capable of realizing the effect of a common convex lens by fitting of the light incident surface 31.

In accordance with the primary optical element 1, the light shielding plates 22 are provided with a plurality of low beam cut-off line structures 221 corresponding to the convex cylindrical surfaces 13 one by one, see fig. 13, wherein one light shielding plate 22 is provided with a plurality of left driving low beam cut-off line structures corresponding to the convex cylindrical surfaces 13 one by one, see fig. 14, the other light shielding plate 22 is provided with a plurality of right driving low beam cut-off line structures corresponding to the convex cylindrical surfaces 13 one by one, and each low beam cut-off line structure 221 is preferably located at each focus formed by the secondary optical element 3 one by one. In this way, the light emitted from the primary optical element 1 is blocked by the light blocking plate 22 and emitted to the secondary optical element 3 to form an illuminating light having a right-driving or left-driving low-beam cutoff line.

To help those skilled in the art to more deeply understand the technical idea of the present invention, the following is a high-low beam integrated lamp module according to a preferred embodiment of the present invention.

The high-beam and low-beam integrated automobile lamp module comprises a primary optical element 1, a shading structure and a secondary optical element 3 which are sequentially arranged along a light emitting direction, wherein the primary optical element 1 comprises a light inlet part, a light guide part 12 and a light outlet part which are integrally formed along the light emitting direction, the light inlet part comprises a plurality of light gathering structures 11 which are sequentially arranged in the left-right direction, and convex cylindrical surfaces 13 which are in one-to-one correspondence with the light gathering structures 11 are formed on the light outlet part; light shielding structure includes that pivot 21 and two contained angles are about 90 light screen 22, and wherein be equipped with a plurality of left on one light screen 22 and drive the low beam and end the line structure, is equipped with a plurality of right on another light screen 22 and drives the low beam and end the line structure, and a plurality of right are driven or the left is driven and is ended line structure and convex column 13 one-to-one, and the light shielding structure location is: when any one of the two light shielding plates 22 stands up and can shield part of emergent light rays of the primary optical element 1, the left driving or right driving cut-off line structure can be positioned in the focal region of the secondary optical element 3; the secondary optical element 3 is a strip-shaped lens and comprises a light emitting surface 32 and a plurality of light incident surfaces 31, the light emitting surface 32 is a curved surface formed by sweeping a vertical convex curve along a set curve, and the light incident surfaces 31 are free curved surfaces formed by fitting a computer according to the curved surface shape of the light emitting surface 32, so that the secondary optical element 3 forms a plurality of converging structures which have focuses and can realize the effect of a common convex lens.

The following are three working states of the high beam and low beam integrated vehicle lamp module of the preferred embodiment of the invention:

as shown in fig. 7 and 8, the high beam and low beam integrated vehicle lamp module is in a high beam operating state, the light shielding plate 22 rotates to a state of not shielding the outgoing light of the primary optical element 1, the outgoing light of the primary optical element 1 does not pass through any light shielding plate 22, and is directly emitted as far beam illuminating light through the secondary optical element 3, and further by controlling the light source corresponding to the light condensing structure 11, each light source is independently turned on or off, and the self-adaptive high beam function is realized: the light emitted by the independently lighted light source enters the primary optical element 1 through the corresponding light-condensing structure 11, is transmitted by the primary optical element 1, is emitted from the corresponding convex cylindrical surface 13, is emitted to the light-in surface 31 corresponding to the secondary optical element 3, and is finally projected through the light-out surface 32 to form an illumination light spot, and different light spots are sequentially arranged and overlapped to realize the self-adaptive high beam function;

as shown in fig. 9, 10 and 13, the high beam and low beam integrated vehicle lamp module is in a low beam operating state in a left driving mode, the light shielding plate 22 having a cut-off line of the left driving and low beam rotates to a standing state, the emergent light of the primary optical element 1 is shielded by the light shielding plate 22, then is emitted to the secondary optical element 3, and is emitted as a left driving and low beam illuminating light through the secondary optical element 3;

as shown in fig. 11, 12 and 14, the high beam and low beam integrated lamp module is in a low beam operating state in a right driving mode, the light shielding plate 22 having a right driving and low beam cut-off line rotates to a standing state, and the emergent light of the primary optical element 1 is shielded by the light shielding plate 22, then emitted to the secondary optical element 3, and emitted as right driving and low beam illuminating light through the secondary optical element 3.

In summary, the high and low beam integrated lamp module according to the preferred embodiment of the present invention has at least the following advantages: the primary optical element 1, the shading structure and the secondary optical element 3 are flat, and the design requirements of car light miniaturization, flattening and small-opening light outlet are met; the cut-off line structure design can meet the requirements of left driving or right driving at the same time, vehicles in different regions around the world share the same lamp system, and repeated development and design of lamps are avoided; the self-adaptive high beam function can be realized, and the device has the characteristics of simple structure and diversified functions; the shapes of the primary optical element 1, the shading structure and the secondary optical element 3 are various, the adaptability of the car lamp module is strong, and the diversified modeling design requirements of different car lamps can be met.

The invention also provides a headlamp, which comprises the high-beam and low-beam integrated vehicle lamp module in any one of the technical schemes of the first aspect, and adopts all the technical schemes of all the embodiments of the vehicle lamp module, so that the headlamp at least has all the beneficial effects brought by the technical schemes of the embodiments of the vehicle lamp module.

The invention further provides a vehicle, which comprises the headlamp in the technical scheme of the second aspect, and all the technical schemes of the embodiment of the headlamp are adopted, so that at least all the beneficial effects brought by the technical schemes of the embodiment of the headlamp are achieved.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.

完整详细技术资料下载
上一篇:石墨接头机器人自动装卡簧、装栓机
下一篇:车辆用灯单元和车辆用灯具系统

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!