CN211694718U - Low-beam optical element, low-beam lamp module, car lamp and car - Google Patents
Low-beam optical element, low-beam lamp module, car lamp and car Download PDFInfo
- Publication number
- CN211694718U CN211694718U CN202020143263.9U CN202020143263U CN211694718U CN 211694718 U CN211694718 U CN 211694718U CN 202020143263 U CN202020143263 U CN 202020143263U CN 211694718 U CN211694718 U CN 211694718U
- Authority
- CN
- China
- Prior art keywords
- light
- low
- optical element
- lens
- beam optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
- F21S41/25—Projection lenses
- F21S41/27—Thick lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
- F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a vehicle lighting device discloses a short-distance beam optical element, including the collection light portion, first light portion, reflection portion and the second light portion that connect gradually, the one end of reflection portion with the lower extreme of first light portion is connected, the other end with the lower extreme of second light portion is connected, first light portion, reflection portion and first light portion constitute first cavity, the plane of reflection portion with the intersection of second light portion is equipped with the stop portion, the collection light portion can assemble behind the light of penetrating via first light portion, its middle part light can pass first cavity directness is direct the second light portion, another part light can pass through reflection portion reflection back directive second light portion. The low-beam optical element has a simple and compact structure and lighter weight, and can form a low-beam light shape with a low-beam cutoff line. Furthermore, the utility model also discloses a passing lamp module, car light and vehicle.
Description
Technical Field
The utility model relates to a vehicle lighting device, concretely relates to short-distance beam optical element. Furthermore, the utility model discloses still relate to a dipped headlight module, car light and vehicle.
Background
In recent years, the automobile lamp and the headlamp module assembled in the automobile lamp have been rapidly developed, from the early halogen lamp to the later xenon lamp, and then to the current LED and laser light source, so that the automobile lamp becomes more intelligent and the shape is more differentiated. Among various car light sources, the LED light source is gradually paid attention from car manufacturers due to its excellent performance and low cost advantage, and its light distribution structure is gradually developed along with the development of the LED light source.
Projection lighting systems of LED light sources commonly used in automotive lamps in the prior art generally include a light source, a reflective element, a light shielding plate, and an optical lens. The light emitted by the light source is reflected by the reflecting element and then emitted to the light shielding plate, and after being intercepted by the light shielding plate, the light is projected by the optical lens to form a parallel light-like illumination light shape with a cut-off line. However, because the LED light source has a large light emitting angle, the size of the reflective element needs to have a large coverage area relative to the light emitting angle of the light source to ensure a certain system light efficiency, but there is a significant contradiction with the trend of the more compact automobile model in the future.
In recent years, further, a condenser is applied to an automobile headlamp module, so that the form of a headlamp is more diversified. The existing condenser is provided with a light guide channel extending along the front-back direction, the light guide channel is of a solid light guide body structure, light rays are reflected to an optical lens after being refracted and reflected by the condenser, and the light rays are projected by the optical lens to form an illumination light shape, but the volume of the light guide channel of the condenser is large, so that the module is heavy, and the module cost is also high. There is therefore a need for a compact, lightweight, efficient optical system to meet the strong demands of the market.
In view of the above-mentioned drawbacks of the prior art, there is a need to design a new type of illumination optics.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that the first aspect will be solved provides a short-distance beam optical element, and this short-distance beam optical element simple structure is compact, weight is lighter, can form the short-distance beam light shape that has short-distance beam light and shade cut-off.
The utility model discloses the technical problem that the second aspect will be solved provides a dipped headlight module, and the module size of this dipped headlight module is less, weight is lighter, can form the dipped headlight light shape that has dipped headlight light and shade cut-off.
The utility model discloses the technical problem that the third aspect will be solved provides a car light, and this car light size is littleer, the weight is lighter and simple structure is compact.
The utility model discloses the technical problem that the fourth aspect will be solved provides a vehicle, and the car light size of this vehicle is littleer, the weight is lighter and simple structure is compact.
In order to achieve the above object, the utility model provides a short-distance beam optical element, including the collection light portion, first light portion, reflection portion and the second light portion that connect gradually, the one end of reflection portion with the lower extreme of first light portion is connected, the other end with the lower extreme of second light portion is connected, constitute first cavity between first light portion, reflection portion and the second light portion, the plane of reflection portion with the intersection of second light portion is equipped with cuts the portion, collection light portion can assemble the light of kicking into and make light via first light portion jets out, and its part light can pass first cavity is direct to the second light portion, and another part light can pass through after the reflection of reflection portion the second light portion.
Preferably, the light-emitting surface of the second light-emitting part is a smooth concave curved surface with a continuous curvature.
Preferably, the low-beam optical element further includes a side wall, one end of which is connected to the first light-emitting portion, and the other end of which is connected to the second light-emitting portion.
Specifically, the number of the light collecting portions is two or more.
Specifically, the light collecting part is far away from one end of the reflection part and is provided with an inner concave cavity, the inner concave cavity comprises a front light incident surface and a side light incident surface, the front light incident surface is a curved surface protruding towards one side far away from the reflection part, the side light incident surface is a curved surface gradually reduced in circumference from one end far away from the reflection part to one end close to the reflection part, and the outer contour surface of the light collecting part is a curved surface gradually increased in circumference from one end far away from the reflection part to one end close to the reflection part.
Preferably, the reflecting surface of the reflecting part is provided with a reflection increasing layer.
A second aspect of the present invention provides a dipped headlight module, which includes the dipped headlight optical element and the lens described in any one of the above technical solutions of the first aspect, wherein the dipped headlight optical element and the lens are of a split structure, and the lens is disposed in the light emitting direction of the dipped headlight optical element; or the low-beam optical element and the lens are of an integrated structure, and the lens is connected with the low-beam optical element through a connecting plate, or the lens is directly connected with the low-beam optical element.
Preferably, the connecting plate is connected to the low-beam optical element at one end and to the lens at the other end, and the second light-emitting portion, the connecting plate, and the lens form a second cavity.
Preferably, the cut-off portion is located in a region of 10mm from an upper side to 10mm from a lower side of an optical axis of the lens.
Further preferably, the lens is a convex lens or a fresnel lens structure.
The third aspect of the present invention provides a vehicle lamp, including any one of the above technical solutions.
The utility model discloses the fourth aspect provides a vehicle, including above-mentioned technical scheme the car light.
The utility model discloses an among the basic technical scheme, this short-distance beam optical element is including the collection light portion, first light portion, reflection part and the second light portion that connect gradually, and the one end of reflection part is connected with the lower extreme of first light portion, and the other end is connected with the lower extreme of second light portion, and first light portion, reflection part and first light portion constitute first cavity, the plane of reflection part with the intersection of second light portion is equipped with the cross section portion. The light collecting part is arranged at the light collecting part, the light collecting part collects divergent light emitted by the light source and emits the light through the first light emitting part, wherein part of light rays pass through the first cavity and directly emit to the second light emitting part, and the other part of light rays are reflected by the reflecting part and then emit to the second light emitting part. The near-beam optical element with the structure occupies a small space, and the space utilization efficiency is greatly improved; the integrated light collecting part, the first light emitting part, the reflecting part and the second light emitting part are integrally injection molded, so that the position precision between optical surfaces on an optical path propagation path is improved, and the structure is relatively simplified; the arrangement of the first cavity can save materials and reduce cost on one hand, so that the dipped beam optical element is lighter; on the other hand, compared with a low beam optical element without a cavity, such as a condenser in the prior art, the low beam optical element increases two light distribution optical surfaces, namely the light emitting surface of the first light emitting part and the light incident surface of the second light emitting part, and increases light distribution parameters, so that light distribution is more flexible.
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 one of the schematic structural views of an embodiment of the low beam optical element of the present invention;
fig. 2 is a second schematic structural view of an embodiment of the low-beam optical element of the present invention;
fig. 3 is a third schematic structural diagram of an embodiment of the low-beam optical element of the present invention;
fig. 4 is a schematic structural view of a first embodiment of the low beam module of the present invention;
fig. 5 is a schematic light path diagram of a first embodiment of a low beam module of the present invention;
fig. 6 is one of the schematic structural views of a second embodiment of the low beam module of the present invention;
fig. 7 is a second schematic structural view of a second embodiment of a low beam module of the present invention;
fig. 8 is a third schematic structural view of a second embodiment of a low beam module of the present invention;
fig. 9 is a fourth schematic structural view of a second embodiment of the low beam module of the present invention;
fig. 10 is one of the schematic structural views of a third embodiment of the low beam module of the present invention;
fig. 11 is a second schematic structural view of a third embodiment of a low beam module of the present invention;
fig. 12 is a third schematic structural view of a third embodiment of a low beam module according to the present invention;
fig. 13 is a fourth schematic structural view of a third embodiment of a low beam module of the present invention;
fig. 14 is a schematic diagram of a low beam light shape simulation formed by the low beam light module of the present invention.
Description of the reference numerals
1 low beam optical element 11 light collecting part
111 front light incident surface 112 side light incident surface
113 outer profile
12 first light emergent portion 13 reflection portion
14 second light-emitting portion 15 cut-off portion
16 first cavity 17 side wall
2 lens 21 optical axis
3 connecting plate 4 second cavity
5 light source 6 near light cutoff line
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as being 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.
It should be understood that, as shown in fig. 1, based on the low beam optical element 1, in the light outgoing direction, when normally installed in a vehicle lamp, "front" refers to the end where the second light outgoing portion 14 is located, "rear" refers to the end where the light collecting portion 11 is located, "left" refers to the left side in the light outgoing direction, "right" refers to the right side in the light outgoing direction, "up" refers to the upper side in the light outgoing direction, and "down" refers to the lower side in the light outgoing direction. As shown in fig. 5, the light emitting direction is a light path direction in the low beam module, and the optical axis 21 is a virtual axis extending in the front-rear direction through the focal point of the lens 2, and is defined according to GB4599-2007 — automotive filament bulb headlamp: the cutoff line is a cut-off line at which a light beam projected on the light distribution screen is visually perceived as a significant change in brightness, and the low-beam cutoff line 6 is a lower boundary of a low-beam shape of the vehicle lamp. In the actual installation situation, the positional terms should be interpreted according to the actual installation state and with reference to the present low beam optical element 1 itself, the terms being based on the positional or positional relationships shown in the drawings, merely for convenience of description and simplification of the present invention, and not for indicating or implying that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and therefore should not be construed as limiting the present invention.
Referring to fig. 1 to 3, the low beam optical element 1 of the present invention includes a light collecting portion 11, a first light emitting portion 12, a reflection portion 13 and a second light emitting portion 14 connected in sequence, wherein one end of the reflection portion 13 is connected to a lower end of the first light emitting portion 12, the other end is connected to a lower end of the second light emitting portion 14, and the first light emitting portion 12, the reflection portion 13 and the first light emitting portion 14 may form a first cavity 16. The reflection portion 13 has a reflection surface, i.e., an upper surface of the reflection portion 13, the reflection surface is an optical surface for reflecting a part of light emitted from the first light emitting portion 12, a cut-off portion 15 for forming the low-beam cut-off line 6 is provided at an intersection of the reflection surface and the second light emitting portion 14, the cut-off portion 15 can cut off light so that the low-beam cut-off line 6 of the vehicle lamp has a specific shape, and the shape of the low-beam cut-off line 6 is established according to different regulations or different requirements of different countries, regions and automobile manufacturers, and is not limited to the shape shown in the drawing. The light collecting portion 11 collects the incident light and emits the collected light through the first light emitting portion 12, wherein a part of the light passes through the first cavity 16 and directly emits to the second light emitting portion 14, and another part of the light is reflected by the reflecting surface of the reflecting portion 13 and then emits to the second light emitting portion 14. After the divergent light is refracted or reflected by the light collecting portion 11, a light beam with a small angle can be formed, so that the light emitted by the light source 5 can be completely or mostly incident on the reflection surface of the reflection portion 13 and the second light emitting portion 14, the size of the low beam optical element 1 can be reduced while a high light effect is achieved, and the low beam optical element 1 further tends to be miniaturized.
In this structure, the low-beam optical element 1 occupies a small space, and the space utilization efficiency is greatly improved; the integrated molding process requirements can be met, the light collecting part 11, the first light emitting part 12, the reflecting part 13 and the second light emitting part 14 are integrally injection molded, the position precision among optical surfaces is improved, and the structure of the near-light optical element 1 is relatively simplified; the first cavity 16 can save materials and reduce cost, so that the low-beam optical element 1 is lighter; on the other hand, compared with a low beam optical element without a cavity, the low beam optical element 1 increases two light distribution optical surfaces, namely the light emitting surface of the first light emitting portion 12 and the light incident surface of the second light emitting portion 14, and increases light distribution parameters, so that light distribution is more flexible.
Preferably, the light-emitting surface of the second light-emitting portion 14 is a smooth concave curved surface with a continuous curvature. The concave curved surface makes the emergent light shape of the near light optical element 1 clearer. Alternatively, the light emitting surface of the second light emitting portion 14 may be a plane.
Alternatively, the low-beam optical element 1 further includes a side wall 17, as shown in fig. 2 and 3, the side wall 17 is connected to the first light exit portion 12 at one end and the second light exit portion 14 at the other end, and the provision of the side walls 17 on both sides of the low-beam optical element 1 can make the low-beam optical element 1 higher in strength and longer in life. Alternatively, in order to meet the requirement of the vehicle lamp profile or to further simplify the structure of the low-beam optical element 1 to save materials and reduce costs, the low-beam optical element 1 may not be provided with the side wall 17.
The low-beam optical element 1 includes at least one light collecting portion 11, preferably, the low-beam optical element 1 may include more than two light collecting portions 11, referring to the low-beam optical element 1 shown in fig. 1 and 2, six light collecting portions 11 are provided along the width direction (along the left-right direction) of the reflection portion 13, each light collecting portion 11 corresponds to one light source 5, the plurality of light sources 5 are dispersedly disposed, heat dissipation is facilitated, and the light efficiency of the low-beam optical element 1 can be improved by using the light collecting portions 11. Further preferably, the size of the light collecting portion 11 located at the middle position may be larger than the size of the light collecting portions 11 located at the two side positions, because the requirement for the illuminance of the middle area of the light shape formed by projection of the near-beam optical element 1 is high, and making the size of the light collecting portion 11 at the middle position large can correspond to more LED lamp beads, so as to collect more light rays, thereby improving the light efficiency.
As a preferred structure, the light collecting portion 11 is a light collecting cup structure, one end of the light collecting portion 11 away from the reflecting portion 13 is provided with an inner concave cavity, an opening of the inner concave cavity faces the light source 5 to receive the light emitted from the light source 5, an outer contour surface 113 of the light collecting portion 11 is a curved surface whose circumference gradually increases from the end away from the reflecting portion 13 to the end close to the reflecting portion 13, the light collecting portion 11 can refract a part of the light emitted from the light source 5 to the front through a front light incident surface 111 of the inner concave cavity, a side light incident surface 112 of the inner concave cavity can refract other light emitted from the light source 5, and the refracted light is reflected to the front through the outer contour surface 113, so that the convergence and collimation of all the light beams emitted from the light source 5 can be basically realized, and the purpose of improving the light beam utilization rate of the light source 5.
Preferably, the reflection surface of the reflection portion 13 is used for receiving a part of the light emitted from the first light emitting portion 12, and the reflection surface of the reflection portion 13 is provided with a reflection increasing layer to increase the reflectivity of the light, wherein the reflection increasing layer may be a reflection increasing film or a reflection increasing coating provided on the optical surface of the reflection portion 13 for reflecting the light, such as an aluminum plating process on the reflection surface of the reflection portion 13.
The utility model discloses a dipped headlight module, including the dipped beam optical element 1 of any one in the above-mentioned technical scheme, still include lens 2, dipped beam optical element 1 can adopt split type structure with lens 2, refer to fig. 4 and fig. 5 and show, lens 2 sets up on the light outgoing direction of dipped beam optical element 1, both separately set up, the grading parameter is many, be favorable to the grading, can also arrange this dipped beam optical element 1 and lens 2 according to car light molding needs in a flexible way, make the car light molding more novel, changeable, satisfy the needs of user to the car light molding of individuation, science and technology sense; or low beam optical element 1 and lens 2 can also adopt the integral type structure, refer to fig. 6 to fig. 13 and show, lens 2 passes through connecting plate 3 with low beam optical element 1 and is connected, or lens 2 and low beam optical element 1 lug connection, under this kind of structure, this low beam lamp module can adopt materials such as glass, PC, PMMA or silica gel to realize integrated into one piece, can reduce part quantity, make the car light structure after the assembly compacter, simultaneously, can also avoid the assembly error between each optical element in the assembling process, improve the assembly precision, thereby can improve the optical precision.
In order to form a clear light shape, the relative position of the reflection part 13 and the lens 2 needs to be adjusted, so that the cut-off part 15 is located in the area from 10mm above to 10mm below the optical axis 21 of the lens 2, preferably, the cut-off part 15 is located in the area from 2mm above to 2mm below the optical axis 21 of the lens 2, further preferably, the cut-off part 15 is located at the optical axis 21 of the lens 2, that is, the focal point of the lens 2 is located on the cut-off part 15, so that the formed light shape is clearer.
Referring to fig. 4 to 13, the lens 2 is a convex lens, and further preferably, the lens 2 may also adopt a fresnel lens structure, so that the low beam module of the present invention has lighter weight and lower cost. It is understood that the lens 2 of this structure may be applied to the low beam module in any one of the embodiments of the present invention.
In the embodiment shown in fig. 4 and 5, the low beam optical element 1 and the lens 2 are of a split structure, and the low beam optical element 1 and the lens 2 can be respectively assembled on the mounting bracket of the low beam module. The dipped headlight module adopting the split type structure is convenient for adjusting the relative positions of the dipped optical element 1, the lens 2 and other parts, is favorable for light distribution, and can adapt to diversified car light modeling.
In the embodiment shown in fig. 6 to 13, the second light-emitting portion 14 of the low-beam optical element 1 is integrally formed with the lens 2, the light source 5 is disposed at an opening of a concave cavity of the light-collecting portion 11, after being collected by the light-collecting portion 11, a part of light directly passes through the first cavity 16 and enters the lens 2, another part of light directly enters the lens 2 after being reflected by a reflecting surface of the reflecting portion 13, and after the two parts of light are superimposed, the low-beam light module can form a low-beam shape with a low-beam cut-off line 6 shown in fig. 14. When this passing lamp module group adopts the integral type structure, can reduce part quantity for the car light structure after the assembly is compacter, simultaneously, can also avoid the assembly error between each optical element in the assembling process, improves the assembly precision, thereby can improve the optical accuracy, reduce the size of this passing lamp module group, thereby improve production efficiency, reduction in production cost. It should be noted that, when the low beam light module adopts an integrated structure, only one optical element formed by integrally forming the low beam optical element 1 and the lens 2 is needed to realize the low beam light shape, and other optical elements are not needed, so that the structure is simple. Of course, for the requirements of vehicle lamp modeling and the like, at least one inner lens can be arranged between the integrally formed optical element and the outer lens, and the inner lens can be a common plastic piece with equal wall thickness, only presents the required modeling, and also can be a light distribution plastic piece with a light distribution function on the back.
In the exemplary embodiment shown in fig. 6 to 9, the lens 2 is connected to the low-beam optical element 1 via a connecting plate 3, the connecting plate 3 is connected to the low-beam optical element 1 at one end and to the lens 2 at the other end, and the second light exit portion 14, the connecting plate 3 and the lens 2 may form a second cavity 4. However, referring to the structure of the low-beam optical element 1 in fig. 7, the connection plates 3 may be provided on both the left and right sides and the upper side of the low-beam optical element 1, or the connection plates 3 may be provided only on one side or both sides of the low-beam optical element 1, for example, the connection plates 3 may be provided on the upper side or both the left and right sides, as long as the light emitted from the second light-emitting portion 14 is not prevented from entering the lens 2. In this structure, after exiting through the second light exiting portion 14, the light passes through the second cavity 4 and then enters the lens 2, and is projected by the lens 2 to form a low beam shape. The low beam optical element 1 is connected with the lens 2 through the connecting plate 3, and the low beam module can be integrally formed to improve the optical precision. Of course, it is also possible to assemble the connecting lens 2 and the low-beam optical element 1 by means of the connecting plate 3, for example by means of silicone rubber connecting the low-beam optical element 1, the lens 2 and the connecting plate.
The utility model discloses a car light, including in any one of the above-mentioned technical scheme dipped headlight module, adopted the whole technical scheme of above-mentioned all embodiments, consequently have all beneficial effects that the technical scheme of above-mentioned embodiment brought at least.
The utility model discloses a vehicle, including above-mentioned car light, adopted the whole technical scheme of above-mentioned all embodiments, consequently have all beneficial effects that the technical scheme of above-mentioned embodiment brought at least.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (12)
1. A low-beam optical element is characterized by comprising a light collecting part (11), a first light emergent part (12), a reflecting part (13) and a second light emergent part (14) which are sequentially connected, one end of the reflecting part (13) is connected with the lower end of the first light-emitting part (12), the other end is connected with the lower end of the second light-emitting part (14), a first cavity (16) is formed among the first light-emitting part (12), the reflecting part (13) and the second light-emitting part (14), a cut-off part (15) is arranged at the intersection of the reflecting surface of the reflecting part (13) and the second light emergent part (14), the light collecting part (11) can collect the incident light and enable the light to be emitted out through the first light emitting part (12), wherein a part of light rays can pass through the first cavity (16) and directly emit to the second light-emitting part (14), and the other part of light rays can be emitted to the second light-emitting part (14) after being reflected by the reflecting part (13).
2. A low-beam optical element according to claim 1, wherein the light exit surface of the second light exit portion (14) is a smooth concave curved surface with continuous curvature.
3. A low-beam optical element according to claim 1, further comprising a side wall (17), said side wall (17) being connected at one end to said first light exit portion (12) and at the other end to said second light exit portion (14).
4. A low-beam optical element according to claim 1, wherein the number of light collecting portions (11) is two or more.
5. A low-beam optical element according to claim 1, wherein an end of the light collecting portion (11) away from the reflecting portion (13) is provided with an inner concave cavity, the inner concave cavity comprises a front light incident surface (111) and a side light incident surface (112), the front light incident surface (111) is a curved surface protruding to a side away from the reflecting portion (13), the side light incident surface (112) is a curved surface whose circumference gradually decreases from an end away from the reflecting portion (13) to an end close to the reflecting portion (13), and the outer contour surface (113) of the light collecting portion (11) is a curved surface whose circumference gradually increases from an end away from the reflecting portion (13) to an end close to the reflecting portion (13).
6. A low-beam optical element according to any one of claims 1 to 5, characterized in that a reflection-increasing layer is provided on the reflection surface of the reflecting portion (13).
7. A low beam light module, characterized by comprising a low beam optical element (1) and a lens (2) according to any one of claims 1 to 6, the low beam optical element (1) and the lens (2) being of a split structure, the lens (2) being disposed in the light exit direction of the low beam optical element (1); or
The low-beam optical element (1) and the lens (2) are of an integrated structure, the lens (2) and the low-beam optical element (1) are connected through a connecting plate (3), or the lens (2) and the low-beam optical element (1) are directly connected.
8. A low beam module according to claim 7, characterized in that the connecting plate (3) is connected at one end to the low beam optical element (1) and at the other end to the lens (2), the second light exit portion (14), the connecting plate (3) and the lens (2) constituting a second cavity (4).
9. A low beam module according to claim 7, characterized in that the cut-off (15) is located in the region of the upper 10mm to the lower 10mm of the optical axis (21) of the lens (2).
10. A low beam module according to claim 7, characterized in that the lens (2) is a convex lens or Fresnel lens structure.
11. A vehicular lamp characterized by comprising the low beam lamp module according to any one of claims 7 to 10.
12. A vehicle characterized by comprising the lamp according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143263.9U CN211694718U (en) | 2020-01-20 | 2020-01-20 | Low-beam optical element, low-beam lamp module, car lamp and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143263.9U CN211694718U (en) | 2020-01-20 | 2020-01-20 | Low-beam optical element, low-beam lamp module, car lamp and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211694718U true CN211694718U (en) | 2020-10-16 |
Family
ID=72774420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020143263.9U Active CN211694718U (en) | 2020-01-20 | 2020-01-20 | Low-beam optical element, low-beam lamp module, car lamp and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211694718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147731A1 (en) * | 2020-01-20 | 2021-07-29 | 华域视觉科技(上海)有限公司 | Headlamp optical element, vehicle lamp module, vehicle lamp, and vehicle |
-
2020
- 2020-01-20 CN CN202020143263.9U patent/CN211694718U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147731A1 (en) * | 2020-01-20 | 2021-07-29 | 华域视觉科技(上海)有限公司 | Headlamp optical element, vehicle lamp module, vehicle lamp, and vehicle |
| US11927318B2 (en) | 2020-01-20 | 2024-03-12 | Hasco Vision Technology Co., Ltd. | Headlamp optical element with III-region light shape forming structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211822197U (en) | Headlamp module, headlamp and vehicle | |
| CN211694701U (en) | Headlamp optical element, headlamp module, lamp and vehicle | |
| JP7217360B2 (en) | High and low beam integrated car lamp illumination device, car lamp and vehicle | |
| CN112050162A (en) | Car light optical element, car light module and vehicle | |
| CN112752925A (en) | Car light optical element, car light module, vehicle headlamp and vehicle | |
| CN211694711U (en) | Vehicle lighting optical element, vehicle lighting device, vehicle lamp and vehicle | |
| CN211694714U (en) | High beam optical element, high beam module, car light and vehicle | |
| CN111503591A (en) | Far and near light integrated car light module and car | |
| CN113405064A (en) | Car light optical system, car light module, car light and vehicle | |
| CN211694718U (en) | Low-beam optical element, low-beam lamp module, car lamp and car | |
| CN212987095U (en) | Car light optical element, car light module and vehicle | |
| CN210141546U (en) | Car lamp module | |
| WO2021147731A1 (en) | Headlamp optical element, vehicle lamp module, vehicle lamp, and vehicle | |
| CN211875908U (en) | Optical element, headlamp module, vehicle lamp and vehicle | |
| CN212132312U (en) | Primary optical element assembly, vehicle lighting device, vehicle lamp and vehicle | |
| CN212390299U (en) | Optical element for a vehicle low beam, low beam lighting device, vehicle lamp and vehicle | |
| JP7490808B2 (en) | Lens unit, optical lens, lighting module, vehicle lamp and vehicle | |
| WO2022012211A1 (en) | Vehicle lamp optical component, vehicle lamp module, and vehicle | |
| CN212132313U (en) | Car light optical element subassembly, vehicle lighting device, car light and vehicle | |
| CN213542357U (en) | Double-light illuminating device for vehicle headlamp | |
| CN212618082U (en) | Car light optical assembly, car light module, car light and vehicle | |
| CN214064804U (en) | Car light optical system, car light module, car light and vehicle | |
| WO2022001239A1 (en) | Vehicle lamp optical assembly, vehicle lamp module, vehicle lamp, and vehicle | |
| CN211875914U (en) | Optical element for high beam of vehicle, high beam lighting device, vehicle lamp and vehicle | |
| CN213542362U (en) | Car light optical assembly, car light module and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |