CN210740276U

CN210740276U - Low-beam reflection type headlamp module and vehicle

Info

Publication number: CN210740276U
Application number: CN201921972597.0U
Authority: CN
Inventors: 张洁
Original assignee: HASCO Vision Technology Co Ltd
Current assignee: HASCO Vision Technology Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-06-12
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to an automobile lamp specifically discloses a short-distance beam reflection-type head-light module, be formed with short-distance beam light propagation path in the short-distance beam reflection-type head-light module, arranged in proper order on this short-distance beam light propagation path have short-distance beam light source (1), condensing element (2), reflective element (3) and lens (4); the reflection element (3) is provided with a cut-off line structure (32) for forming a cut-off line, and light rays of the low-beam light source (1) are suitable for being converged to the reflection element (3) through the light condensation element (2), reflected to the lens (4) through the reflection element (3), and projected out through the lens (4) to form a low-beam illumination light shape. Furthermore, the utility model discloses still disclose the vehicle that includes passing light reflection-type head-light module. The utility model discloses a short-distance beam reflection-type head-light module is preceding back size less, and compact structure can satisfy the outward appearance design demand of car light.

Description

Low-beam reflection type headlamp module and vehicle

Technical Field

The utility model relates to an automobile lamp specifically, relates to a short-distance beam reflection-type head-light module. Furthermore, the utility model discloses still relate to a vehicle of including passing light reflection-type head-light module.

Background

Among the present short-distance beam reflection-type head-light car lamp module, generally by having far, the class ellipsoid reflection of light cup of nearly two focuses combines light screen and collimating lens to constitute, the focus of collimating lens is kept away from promptly to the far focus of reflection of light cup, be used for setting up the light source, the near focus of reflection of light cup sets up near collimating lens focus, the light screen sets up on the collimating lens focus, at this moment, divergent light that the light source sent assembles near the near focus of reflection of light cup after reflection of light cup, shelter from through the light screen and form short-distance beam light and shade to cut off the line, and through collimating lens formation of image to the road surface, form the short-distance beam illumination.

In such a low beam reflection type headlamp lens assembly, the focal point of the lens is usually set at the far focal point of the reflector, and the light source, the near focal point of the reflector, the far focal point of the reflector and the optical axis of the lens are set on the same straight line, so that the front-back length of the headlamp lens assembly is inevitably greater than the sum of the focal length of the lens and the distance between the near focal point and the far focal point of the reflector, resulting in a projection type headlamp lens assembly having a long front-back length and a large size, and due to its structural limitation, the front-back size cannot be freely reduced according to design requirements, which greatly affects the overall size design of the lamp.

Based on the reason, the prior art is difficult to effectively guarantee that the front and back size of passing light reflection-type head-light car light module can freely reduce according to the design demand, has influenced the appearance design of car light.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that at first will solve provides a short-distance beam reflection-type head-light module, this short-distance beam reflection-type head-light module compact structure, and the front and back size is less, can satisfy the outward appearance design demand of car light.

Furthermore, the to-be-solved problem of the utility model is to provide a vehicle, the dipped headlight reflection-type head-light module compact structure of this vehicle, the front and back size is less, can satisfy the outward appearance design demand of car light.

In order to solve the above technical problem, an aspect of the present invention provides a low beam reflection type headlamp module, in which a low beam light propagation path is formed, and a low beam light source, a light condensing element, a reflecting element and a lens are sequentially disposed on the low beam light propagation path; the reflection element is provided with a cut-off line structure for forming a cut-off line of light and shade, and the light of the low-beam light source is suitable for being converged to the reflection element through the light condensation element, reflected to the lens through the reflection element and projected out through the lens to form a low-beam illumination light shape.

As a preferred embodiment of the present invention, the reflection surface of the reflection element is located on the light emitting path of the light condensing element, and the cut-off line structure is located at an end edge of the reflection surface close to the light condensing element.

More preferably, the light condensing element is a light reflecting cup, and the light reflecting cup is a curved surface having a first focal point and a second focal point.

Further preferably, the low beam light source is located at the first focus, and the cut-off line structure is located at the second focus.

Still further preferably, the reflector cup is ellipsoidal or parabolic.

As another preferred embodiment of the present invention, the reflecting element is a mirror.

More preferably, the reflector is a flat reflector or a curved reflector.

As a specific embodiment of the present invention, the dipped beam light source is an LED light source or a light emitting chip based on a laser light source.

As another specific implementation manner of the present invention, the utility model discloses a low-beam reflection-type headlamp module is still including being used for the installation the low-beam light source circuit board of low-beam light source, be used for carrying out radiating radiator and being used for fixing to the low-beam light source circuit board the lens support of lens.

In addition, the utility model provides a vehicle still provides, this vehicle include according to any one of above-mentioned technical scheme the passing light reflection-type head-light module.

Through the technical scheme, the low-beam light ray propagation path is formed in the low-beam reflection type headlamp module, and the low-beam light source, the light gathering element, the reflecting element and the lens are sequentially arranged on the low-beam light ray propagation path; the reflection element is provided with a cut-off line structure for forming a cut-off line of light and shade, and the light of the low-beam light source is suitable for being converged to the reflection element through the light condensation element, reflected to the lens through the reflection element and projected out through the lens to form a low-beam illumination light shape. The utility model discloses a low-beam reflection-type head-light module replaces the light screen structure with reflection element, and sets up the stop line structure that can form the light and shade cut-off line on reflection element, and then can reduce the front and back size of low-beam reflection-type head-light module, and the structure is compacter, can satisfy the global design demand of more car lights.

Further advantages of the invention, as well as the technical effects of preferred embodiments, will be further explained in the following detailed description.

Drawings

FIG. 1 is a schematic structural view of one embodiment of a conventional reflector headlamp module;

FIG. 2 is a schematic structural view of another embodiment of a conventional reflector type headlamp module;

fig. 3 is a schematic structural diagram of an embodiment of a low beam reflection type headlamp module according to the present invention;

fig. 4 is a light ray diagram of an embodiment of a low beam reflection type headlamp module of the present invention;

fig. 5 is a schematic view of the low beam screen illuminance of the low beam reflection type headlamp module of the present invention;

fig. 6 is a schematic structural view of an embodiment of a reflection element in the low beam reflection type headlamp module of the present invention;

fig. 7 is a schematic structural view of another embodiment of the reflection element in the low beam reflection type headlamp module of the present invention.

Description of the reference numerals

1 low beam light source 2 light-gathering element

3 reflecting surface of reflecting element 31

32 cut-off line structure 4 lens

5 near light source circuit board 6 lens support

7 light-shielding element

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, and it should be understood that the embodiments described herein are merely for purposes of illustration and explanation, and the scope of the present invention is not limited to the following embodiments.

In the description of the present invention, it should be explained that the position or positional relationship indicated by the term "passing light propagation path" and the like is based on the position or positional relationship shown in the drawings, and is only for convenience of description the present invention simplifies the description.

Meanwhile, in the following description, for clarity of explanation, some directional terms such as "front" and "rear" are used to refer to the direction of the light propagation path of the near light, and the like, for example, taking a lens as an example, the end of the lens where the light enters is the rear end, and the end of the lens where the light exits is the front end.

In the description of the present invention, it should be noted that the term "cut-off line structure" is a general term in the field, and the cut-off line structure is an upper boundary of the light shape having a vertical drop and an inflection point for the left and right, and after the inflection point, the oblique line is connected to the upper boundary.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, either internally or in any combination thereof. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 3 and 4, the present invention provides a low beam reflection type headlamp module, in which a low beam light propagation path is formed, and a low beam light source 1, a condensing element 2, a reflecting element 3 and a lens 4 are sequentially disposed on the low beam light propagation path; the reflecting element 3 is provided with a cut-off line structure 32 for forming a cut-off line, and the light of the low beam light source 1 is suitable for being converged to the reflecting element 3 through the light condensing element 2, reflected to the lens 4 through the reflecting element 3, and projected out through the lens 4 to form a low beam illumination light shape.

As can be seen from the two embodiments of the conventional reflective headlamp module shown in fig. 1 and 2, the conventional reflective headlamp module includes a low-beam light source 1, a condensing element 2, a lens 4, a low-beam light source circuit board 5 and a light shielding element 7, light emitted from the low-beam light source 1 is condensed by the condensing element 2 and then emitted, and the emitted light forms a low-beam illumination light pattern with a low-beam cut-off line through the lens 4 after passing through a low-beam cut-off line structure on the light shielding element 7. The reflection type headlamp module with the structure is characterized in that the projection direction is not changed basically in the process that light rays passing through the light condensing element 2 irradiate the lens 4, the shading element 7 is arranged between the light condensing element 2 and the lens 4 to form a cut-off line structure of a low beam shape, and the structure that the shading element 7 is arranged between the light condensing element 2 and the lens 4 causes the front and back size of the traditional reflection type headlamp module to be larger and can not reduce the front and back size between the light condensing element 2 and the lens 4, so that the change of the front and back size of the traditional reflection type headlamp module is limited to be smaller, and when the size of a vehicle lamp needs to be reduced, the design requirement can not be met.

From the light distribution structure diagram of the low-beam reflection type headlamp module shown in fig. 4, it can be seen that the condensing element 2 can converge the divergent light emitted from the low-beam light source 1, and project the converged light to a specific direction, and the position of the low-beam light source 1 can be set at different relative positions according to the difference of the selected condensing element 2. If the light-gathering element 2 is a reflecting cup, the low-beam light source 1 is arranged at the focus of the reflecting cup at the bottom of the cup; if the condenser element 2 is selected as the condenser, the low-beam light source 1 is arranged at the light inlet of the condenser. The low-beam light source 1 is arranged in a position which is favorable for converging and emitting light rays emitted by the low-beam light source 1. The reflecting element 3 is disposed on the light-emitting path of the condensing element 2, so as to change the original irradiation direction of the light emitted from the low-beam light source 1 and condensed by the condensing element 2 to emit the light to the lens 4, and project the light through the lens 4 to form a low-beam illumination light shape.

Fig. 5 is the utility model discloses a short-distance beam screen illuminance sketch map of short-distance beam reflection-type head-light module can be seen from fig. 5, the utility model discloses a light that jets out in the short-distance beam reflection-type head-light module satisfies the law illuminance requirement through detecting completely. And, because the direction of propagation of passing light in the headlamp module changes, passing light direction of propagation no longer limits in the straight line direction shown in fig. 1 and fig. 2 to can change condensing element 2 and lens 4's fore-and-aft position, and then shorten the length around the headlamp module effectively, it is right the utility model discloses a passing light reflection-type headlamp module's interior spatial position arrange more nimble, also more reasonable.

The utility model discloses a reflecting element 3's mounted position and angle can set up according to the space size in the head-light module in the low-beam reflection-type head-light module, then according to reflecting element 3's position and angle, rationally to the position overall arrangement of low-beam light source 1 and condensing element 2 to can form the light shape of low-beam illumination, just so can arrange the spatial structure in the head-light module in a flexible way, make the spatial arrangement of head-light module more nimble.

As a preferred embodiment of the present invention, the reflection surface 31 of the reflection element 3 is located on the light emitting path of the light condensing element 2, and the cut-off line structure 32 is located at an end edge of the reflection surface 31 close to the light condensing element 2.

The utility model discloses a reflection surface 31 of reflection element 3 is located below reflection element 3 among the low-beam reflection-type head-light module, can be with the light that reflects out after condensing element 2 assembles through projection to lens 4 behind reflection surface 31, will cut off line structure 32 setting in the one end border department that is close to condensing element 2 of reflection surface 31, can form the low-beam illumination light that has the low-beam cut-off line better, satisfy the lighting requirements, and the light that forms accords with the regulation requirement.

Here, the reflecting surface 31 of the present invention may further include an aluminum or silver layer for increasing the reflectivity of light. The detection shows that the reflectivity of the aluminum coating can reach 85-90%, the reflecting performance is good, and the price is low. The reflectivity of the silver coating can reach 95%, the reflectivity is excellent, the stability of the coating is extremely high, and the service life is long.

More preferably, the light-condensing element 2 is a reflector cup, which is a curved surface having a first focal point and a second focal point.

Further, the low-beam light source 1 is located at the first focus, and the cut-off line structure 32 is located at the second focus.

The light condensing element 2 can be a reflecting cup, the low-beam light source 1 is located at a first focus of the reflecting cup, and the cut-off line structure 32 is located at a second focus of the reflecting cup, so that the light emitted by the low-beam light source 1 can be better converged and projected to the cut-off line structure 32 after passing through the light condensing element 2, and the cut-off line in the low-beam light is more obvious and clear.

The cup body of the light reflecting cup can be in a shape of a cut ellipsoid or paraboloid, namely the ellipsoid or paraboloid is cut along the direction parallel to the long axis, and the obtained partial ellipsoid or paraboloid is cut along the direction parallel to the short axis to form the shape. However, the present invention does not limit the position of the above-mentioned section, and even the section can be not cut in the long axis direction to adapt to different light source requirements, and the cut in the short axis direction forms the light outlet of the reflective cup.

As another preferred embodiment of the present invention, the reflective cup has an ellipsoidal or parabolic shape. The light that the reflection cup of ellipsoid shape can be located the short-distance beam light source 1 of first focus department and send evenly assembles the second focus, and the light shape of formation is more regular. The parabolic reflector cup is adaptively adjusted on the basis of an ellipsoid to change the local light reflection direction in a targeted manner, and finally, the brightness of the local light of the illumination light shape is changed. Besides the reflecting cups in the shape of an ellipsoid and a paraboloid, the reflecting cups can also be reflecting cups in the shape of an ellipsoid. Meanwhile, some auxiliary structures can be added on the basis of the ellipsoid, so that the formed light shape is more suitable for the illumination requirement of the vehicle.

As shown in fig. 6 and 7, as another preferred embodiment of the present invention, the reflecting element 3 is a mirror. And, the reflector is a plane reflector or a curved reflector.

The two structures, i.e., the plane mirror shown in fig. 6 and the curved mirror shown in fig. 7, are relatively simple, and are beneficial to the arrangement of the cut-off line structure 32 and the determination and adjustment of the installation position and the installation angle of the reflecting element 3. However, the structure of the reflector is not limited to the plane reflector and the curved reflector, and may be a paraboloid-like reflector, a free-form reflector, or the like for forming a light beam with a higher demand.

As a specific embodiment of the present invention, the dipped beam light source 1 is an LED light source or a light emitting chip based on a laser light source.

The LED light source is used as a novel light source and is more and more widely applied in the field of car lamps. The LED light source has high luminous efficiency, low power consumption, long service life, strong safety and reliability, environmental protection and no pollution, thus being a new light source with development prospect.

As another embodiment of the present invention, the low beam reflection type headlamp module of the present invention further comprises a low beam light source circuit board 5 for mounting the low beam light source 1, a heat sink for dissipating heat from the low beam light source circuit board, and a lens holder 6 for fixing the lens 4.

In addition, the utility model provides a vehicle, this vehicle have according to any one of above-mentioned technical scheme the passing light reflection-type head-light module.

As can be seen from the above description, the low beam reflection type headlamp module of the present invention has a low beam light propagation path formed therein, and a low beam light source 1, a condensing element 2, a reflecting element 3 and a lens 4 are sequentially disposed on the low beam light propagation path; the reflecting element 3 is provided with a cut-off line structure 32 for forming a cut-off line, and the light of the low beam light source 1 is suitable for being converged to the reflecting element 3 through the light condensing element 2, reflected to the lens 4 through the reflecting element 3, and projected out through the lens 4 to form a low beam illumination light shape. The utility model discloses a low-beam reflection-type head-light module replaces the visor structure 7 with reflection element 2, and sets up the cut-off line structure 32 that can form the light and shade cut-off line on reflection element, and then can reduce the front and back size of low-beam reflection-type head-light module, and the structure is compacter, can satisfy the global design demand of more car lights.

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 details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection 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 in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. A low-beam reflection type headlamp module, a low-beam light propagation path is formed in the low-beam reflection type headlamp module, and the low-beam reflection type headlamp module is characterized in that a low-beam light source (1), a light gathering element (2), a reflecting element (3) and a lens (4) are sequentially arranged on the low-beam light propagation path; the reflection element (3) is provided with a cut-off line structure (32) for forming a cut-off line, and light rays of the low-beam light source (1) are suitable for being converged to the reflection element (3) through the light condensation element (2), reflected to the lens (4) through the reflection element (3), and projected out through the lens (4) to form a low-beam illumination light shape.

2. A low-beam reflection type headlamp module as defined in claim 1, wherein the reflecting surface (31) of the reflecting element (3) is located on the light outgoing path of the condensing element (2), and the cut-off line structure (32) is provided at an end edge of the reflecting surface (31) close to the condensing element (2).

3. A low-beam reflex type headlamp module according to claim 1 or 2, wherein the light condensing element (2) is a reflector cup which is curved with a first focal point and a second focal point.

4. A low-beam reflection type headlamp module according to claim 3, wherein the low-beam light source (1) is located at the first focal point, and the cut-off line structure (32) is located at the second focal point.

5. A low beam reflex headlamp module as claimed in claim 3, wherein the reflector cup is ellipsoidal or parabolic.

6. A low-beam reflection type headlamp module according to claim 1 or 2, characterized in that the reflective element (3) is a mirror.

7. The low-beam reflection type headlamp module as claimed in claim 6, wherein said reflector is a flat reflector or a curved reflector.

8. A low-beam reflection type headlamp module according to claim 1 or 2, characterized in that the low-beam light source (1) is an LED light source or a light emitting chip based on a laser light source.

9. A low-beam reflection type headlamp module as defined in claim 1 or 2, further comprising a low-beam light source circuit board (5) for mounting the low-beam light source (1), a heat sink for dissipating heat from the low-beam light source circuit board, and a lens holder (6) for fixing the lens (4).

10. A vehicle characterized by comprising the low-beam reflection type headlamp module according to any one of claims 1 to 9.